Claims
- 1. A two-piece fastener assembly for securing a roof membrane to an underlying roof deck comprising:
a fastener plate of circular configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a third dome-shaped concentric rib spaced from said second dome-shaped concentric rib rising above the top surface of said fastener plate; e) a first concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; f) a second concentric dimple between said second dome-shaped concentric rib and said third dome-shaped concentric rib; g) a flat concentric surface extending between said third dome-shaped concentric rib and said circumferential edge; wherein at least one of said first or second concentric dimples or said flat concentric surface is provided with triple barbs extending downward from the bottom surface of said fastener plate; and wherein said fastener is a screw member having threads thereon.
- 2. The two-piece fastener assembly of claim 1 wherein said multiple triple barbs are extending 90° downward from the bottom surface of said fastener plate.
- 3. The two-piece fastener assembly of claim 1 wherein said multiple triple barbs are of triangular configuration.
- 4. The two-piece fastener assembly of claim 1 wherein said multiple triple barbs are of rectangular configuration.
- 5. The two-piece fastener assembly of claim 1 wherein said multiple triple barbs are of semi-circular configuration.
- 6. The two-piece fastener assembly of claim 1 wherein said fastener plate is formed of stainless steel or galvanized steel.
- 7. The two-piece fastener assembly of claim 1 wherein said multiple triple barbs are substantially evenly spaced from each other.
- 8. A two-piece fastener assembly for securing a roof membrane to an underlying roof deck comprising:
a fastener plate of elliptical configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a third dome-shaped concentric rib spaced from said second dome-shaped concentric rib rising above said fastener plate; e) a first concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; f) a second concentric dimple between said second dome-shaped concentric rib and said third dome-shaped concentric rib; g) a flat concentric surface extending between said third dome-shaped concentric rib and said circumferential edge; wherein at least one of said first or second concentric dimples or said flat concentric surface is provided with multiple triple barbs extending downward from the bottom surface of said fastener plate; and wherein said fastener is a screw member having threads thereon.
- 9. The two-piece fastener assembly of claim 8 wherein said multiple triple barbs are extending 90° downward from the bottom surface of said fastener plate.
- 10. The two-piece fastener assembly of claim 8 wherein said multiple triple barbs are of triangular configuration.
- 11. The two-piece fastener assembly of claim 8 wherein said multiple triple barbs are of rectangular configuration.
- 12. The two-piece fastener assembly of claim 8 wherein said multiple triple barbs are of semi-circular configuration.
- 13. The two-piece fastener assembly of claim 8 wherein said fastener plate is formed of stainless steel or galvanized steel.
- 14. The two-piece fastener assembly of claim 8 wherein said multiple triple barbs are substantially evenly spaced from each other.
- 15. A two-piece fastener assembly for securing a roof membrane to an underlying roof deck comprising:
a fastener plate of square configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a third dome-shaped concentric rib spaced from said second dome-shaped concentric rib rising above the top surface of said fastener plate; e) a first concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; f) a second concentric dimple between said second dome-shaped concentric rib and said third dome-shaped concentric rib; g) a flat concentric surface extending between said third dome-shaped concentric rib and said circumferential edge; wherein at least one of said first or second concentric dimples or said flat concentric surface is provided with multiple triple barbs extending downward from the bottom surface of said fastener plate; and wherein said fastener is a screw member having threads thereon.
- 16. The two-piece fastener assembly of claim 15 wherein said multiple triple barbs are extending 90° downward from the bottom surface of said fastener plate.
- 17. The two-piece fastener assembly of claim 15 wherein said multiple triple barbs are of triangular configuration.
- 18. The two-piece fastener assembly of claim 15 wherein said multiple triple barbs are of rectangular configuration.
- 19. The two-piece fastener assembly of claim 15 wherein said multiple triple barbs are of semi-circular configuration.
- 20. The two-piece fastener assembly of claim 15 wherein said fastener plate is formed of stainless steel or galvanized steel.
- 21. The two-piece fastener assembly of claim 15 wherein said multiple triple barbs are substantially evenly spaced from each other.
- 22. A two-piece fastener assembly for securing a roof membrane to an underlying roof deck comprising:
a fastener plate of rectangular configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate, c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a third dome-shaped concentric rib spaced from said second dome-shaped concentric rib rising above the top surface of said fastener plate; e) a first concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; f) a second concentric dimple between said second dome-shaped concentric rib and said third dome-shaped concentric rib; g) a flat concentric surface extending between said third dome-shaped concentric rib and said circumferential edge; wherein at least one of said first or second concentric dimples or said flat concentric surface is provided with multiple triple barbs extending downward from the bottom surface of said fastener plate; and wherein said fastener is a screw member having threads thereon.
- 23. The two-piece fastener assembly of claim 22 wherein said multiple triple barbs are extending 90° downward from the bottom surface of said fastener plate.
- 24. The two-piece fastener assembly of claim 22 wherein said multiple triple barbs are of triangular configuration.
- 25. The two-piece fastener assembly of claim 22 wherein said multiple triple barbs are of rectangular configuration.
- 26. The two-piece fastener assembly of claim 22 wherein said multiple triple barbs are of semi-circular configuration.
- 27. The two-piece fastener assembly of claim 22 wherein said fastener plate is formed of stainless steel or galvanized steel.
- 28. The two-piece fastener assembly of claim 22 wherein said multiple triple barbs are substantially evenly spaced from each other.
- 29. A two-piece fastener assembly for securing a roof membrane to an underlying roof deck comprising:
a fastener plate of circular configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; d) a concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; e) a flat concentric surface extending between said second dome-shaped concentric rib and said circumferential edge; wherein at least one of said concentric dimple or said flat concentric surface is provided with multiple triple barbs extending downward from the bottom surface of said fastener plate; and wherein said fastener is a screw member having threads thereon.
- 30. The two-piece fastener assembly of claim 29 wherein said multiple triple barbs are extending 90° downward from the bottom surface of said fastener plate.
- 31. The two-piece fastener assembly of claim 29 wherein said multiple triple barbs are of triangular configuration.
- 32. The two-piece fastener assembly of claim 29 wherein said multiple triple barbs are of rectangular configuration.
- 33. The two-piece fastener assembly of claim 29 wherein said multiple triple barbs are of semi-circular configuration.
- 34. The two-piece fastener assembly of claim 29 wherein said fastener plate is formed of stainless steel or galvanized steel.
- 35. The two-piece fastener assembly of claim 29 wherein said multiple triple barbs are substantially evenly spaced from each other.
- 36. A two-piece fastener assembly for securing a roof membrane to an underlying roof deck comprising:
a fastener plate of elliptical configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; d) a concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; e) a flat concentric surface extending between said second dome-shaped concentric rib and said circumferential edge; wherein at least one of said concentric dimple or said flat concentric surface is provided with multiple triple barbs extending downward from the bottom surface of said fastener plate; and wherein said fastener is a screw member having threads thereon.
- 37. The two-piece fastener assembly of claim 36 wherein said multiple triple barbs are extending 90° downward from the bottom surface of said fastener plate.
- 38. The two-piece fastener assembly of claim 36 wherein said multiple triple barbs are of triangular configuration.
- 39. The two-piece fastener assembly of claim 36 wherein said multiple triple barbs are of rectangular configuration.
- 40. The two-piece fastener assembly of claim 36 wherein said multiple triple barbs are of semi-circular configuration.
- 41. The two-piece fastener assembly of claim 36 wherein said fastener plate is formed of stainless steel or galvanized steel.
- 42. The two-piece fastener assembly of claim 36 wherein said multiple triple barbs are substantially evenly spaced from each other.
- 43. A two-piece fastener assembly for securing a roof membrane to an underlying roof deck comprising:
a fastener plate of square configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; d) a concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; e) a flat concentric surface extending between said second dome-shaped concentric rib and said circumferential edge; wherein at least one of said concentric dimple or said flat concentric surface is provided with multiple triple barbs extending downward from the bottom surface of said fastener plate; and wherein said fastener is a screw member having threads thereon.
- 44. The two-piece fastener assembly of claim 43 wherein said multiple triple barbs are extending 90° downward from the bottom surface of said fastener plate.
- 45. The two-piece fastener assembly of claim 43 wherein said multiple triple barbs are of triangular configuration.
- 46. The two-piece fastener assembly of claim 43 wherein said multiple triple barbs are of rectangular configuration.
- 47. The two-piece fastener assembly of claim 43 wherein said multiple triple barbs are of semi-circular configuration.
- 48. The two-piece fastener assembly of claim 43 wherein said fastener plate is formed of stainless steel or galvanized steel.
- 49. The two-piece fastener assembly of claim 43 wherein said multiple triple barbs are substantially evenly spaced from each other.
- 50. A two-piece fastener assembly for securing a roof membrane to an underlying roof deck comprising:
a fastener plate of rectangular configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; d) a concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; e) a flat concentric surface extending between said second dome-shaped concentric rib and said circumferential edge; wherein at least one of said concentric dimple or said flat concentric surface is provided with multiple triple barbs extending downward from the bottom surface of said fastener plate; and wherein said fastener is a screw member having threads thereon.
- 51. The two-piece fastener assembly of claim 50 wherein said multiple triple barbs are extending 90° downward from the bottom surface of said fastener plate.
- 52. The two-piece fastener assembly of claim 50 wherein said multiple triple barbs are of triangular configuration.
- 53. The two-piece fastener assembly of claim 50 wherein said multiple triple barbs are of rectangular configuration.
- 54. The two-piece fastener assembly of claim 50 wherein said multiple triple barbs are of semi-circular configuration.
- 55. The two-piece fastener assembly of claim 50 wherein said fastener plate is formed of stainless steel or galvanized steel.
- 56. The two-piece fastener assembly of claim 50 wherein said multiple triple barbs are substantially evenly spaced from each other.
- 57. A method of securing a roof membrane to a roof deck comprising the steps of:
1) providing a two-piece fastener assembly comprising:
a fastener plate of circular configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a third dome-shaped concentric rib spaced from said second dome-shaped concentric rib rising above the top surface of said fastener plate; e) a first concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; f) a second concentric dimple between said second dome-shaped concentric rib and said third dome-shaped concentric rib; g) a flat concentric surface extending between said third dome-shaped concentric rib and said circumferential edge; wherein at least one of said first or second concentric dimples or said flat concentric surface is provided with multiple triple barbs extending downward from the bottom surface of said fastener plate; 2) placing a roof membrane having a top surface on a roof deck; 3) placing said fastener plate on said roof membrane with its bottom surface projecting toward the top surface of said roof membrane; 4) inserting said fastener through said opening in said fastener plate; and 5) threading said fastener through the roof membrane into said roof deck to fasten the roof membrane to the roof deck without said multiple triple barbs substantially piercing said roof membrane.
- 58. A method of securing a roof membrane to a roof deck comprising the steps of:
1) providing a two-piece fastener assembly comprising:
a fastener plate of ellipsoidal configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a third dome-shaped concentric rib spaced from said second dome-shaped concentric rib rising above the top surface of said fastener plate; e) a first concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; f) a second concentric dimple between said second dome-shaped concentric rib and said third dome-shaped concentric rib; g) a flat concentric surface extending between said third dome-shaped concentric rib and said circumferential edge; wherein at least one of said first or second concentric dimples or said flat concentric surface is provided with multiple triple barbs extending downward from the bottom surface of said fastener plate; 2) placing a roof membrane having a top surface on a roof deck; 3) placing said fastener plate on said roof membrane with its bottom surface projecting toward the top surface of said roof membrane; 4) inserting said fastener through said opening in said fastener plate; and 5) threading said fastener through the roof membrane into said roof deck to fasten the roof membrane to the roof deck without said multiple triple barbs substantially piercing said roof membrane.
- 59. A method of securing a roof membrane to a roof deck comprising the steps of:
1) providing a two-piece fastener assembly comprising:
a fastener plate of square configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a third dome-shaped concentric rib spaced from said second dome-shaped concentric rib rising above the top surface of said fastener plate; e) a first concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; f) a second concentric dimple between said second dome-shaped concentric rib and said third dome-shaped concentric rib; g) a flat concentric surface extending between said third dome-shaped concentric rib and said circumferential edge; wherein at least one of said first or second concentric dimples or said flat concentric surface is provided with multiple triple barbs extending downward from the bottom surface of said fastener plate; 2) placing a roof membrane having a top surface on a roof deck; 3) placing said fastener plate on said roof membrane with its bottom surface projecting toward the top surface of said roof membrane; 4) inserting said fastener through said opening in said fastener plate; and 5) threading said fastener through the roof membrane into said roof deck to fasten the roof membrane to the roof deck without said multiple triple barbs substantially piercing said roof membrane.
- 60. A method of securing a roof membrane to a roof deck comprising the steps of:
1) providing a two-piece fastener assembly comprising:
a fastener plate of rectangular configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a third dome-shaped concentric rib spaced from said second dome-shaped concentric rib rising above the top surface of said fastener plate; e) a first concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; f) a second concentric dimple between said second dome-shaped concentric rib and said third dome-shaped concentric rib; g) a flat concentric surface extending between said third dome-shaped concentric rib and said circumferential edge; wherein at least one of said first or second concentric dimples or said flat concentric surface is provided with multiple triple barbs extending downward from the bottom surface of said fastener plate; 2) placing a roof membrane having a top surface on a roof deck; 3) placing said fastener plate on said roof membrane with its bottom surface projecting toward the top surface of said roof membrane; 4) inserting said fastener through said opening in said fastener plate; and 5) threading said fastener through the roof membrane into said roof deck to fasten the roof membrane to the roof deck without said multiple triple barbs substantially piercing said roof membrane.
- 61. A method of securing a roof membrane to a roof deck comprising the steps of:
1) providing a two-piece fastener assembly comprising:
a fastener plate of circular configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; e) a flat concentric surface extending between said second dome-shaped concentric rib and said circumferential edge; wherein at least one of said concentric dimple or said flat concentric surface is provided with multiple triple barbs extending downward from the bottom surface of said fastener plate; 2) placing a roof membrane having a top surface on a roof deck; 3) placing said fastener plate on said roof membrane with its bottom surface projecting toward the top surface of said roof membrane; 4) inserting said fastener through said opening in said fastener plate; and 5) threading said fastener through the roof membrane into said roof deck to fasten the roof membrane to the roof deck without said multiple triple barbs substantially piercing said roof membrane.
- 62. A method of securing a roof membrane to a roof deck comprising the steps of:
1) providing a two-piece fastener assembly comprising:
a fastener plate of elliptical configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; e) a flat concentric surface extending between said second dome-shaped concentric rib and said circumferential edge; wherein at least one of said concentric dimple or said flat concentric surface is provided with multiple triple barbs extending downward from the bottom surface of said fastener plate; 2) placing a roof membrane having a top surface on a roof deck; 3) placing said fastener plate on said roof membrane with its bottom surface projecting toward the top surface of said roof membrane; 4) inserting said fastener through said opening in said fastener plate; and 5) threading said fastener through the roof membrane into said roof deck to fasten the roof membrane to the roof deck without said multiple triple barbs substantially piercing said roof membrane.
- 63. A method of securing a roof membrane to a roof deck comprising the steps of:
1) providing a two-piece fastener assembly comprising:
a fastener plate of square configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; e) a flat concentric surface extending between said second dome-shaped concentric rib and said circumferential edge; wherein at least one of said concentric dimple or said flat concentric surface is provided with multiple triple barbs extending downward from the bottom surface of said fastener plate; 2) placing a roof membrane having a top surface on a roof deck; 3) placing said fastener plate on said roof membrane with its bottom surface projecting toward the top surface of said roof membrane; 4) inserting said fastener through said opening in said fastener plate; and 5) threading said fastener through the roof membrane into said roof deck to fasten the roof membrane to the roof deck without said multiple triple barbs piercing said roof membrane.
- 64. A method of securing a roof membrane to a roof deck comprising the steps of:
1) providing a two-piece fastener assembly comprising:
a fastener plate of rectangular configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; e) a flat concentric surface extending between said second dome-shaped concentric rib and said circumferential edge; wherein at least one of said concentric dimple or said flat concentric surface is provided with multiple triple barbs extending downward from the bottom surface of said fastener plate; 2) placing a roof membrane having a top surface on a roof deck; 3) placing said fastener plate on said roof membrane with its bottom surface projecting toward the top surface of said roof membrane; 4) inserting said fastener through said opening in said fastener plate; and 5) threading said fastener through the roof membrane into said roof deck to fasten the roof membrane to the roof deck without said multiple triple barbs substantially piercing said roof membrane.
- 65. A two-piece fastener assembly for securing a roof membrane to an underlying roof deck comprising:
a fastener plate of circular configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a third dome-shaped concentric rib spaced from said second dome-shaped concentric rib rising above the top surface of said fastener plate; e) a first concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; f) a second concentric dimple between said second dome-shaped concentric rib and said third dome-shaped concentric rib; g) a flat concentric surface extending between said third dome-shaped concentric rib and said circumferential edge; wherein at least one of said first or second concentric dimples or said flat concentric surface is provided with quadruple barbs extending downward from the bottom surface of said fastener plate; and wherein said fastener is a screw member having threads thereon.
- 66. The two-piece fastener assembly of claim 65 wherein said multiple quadruple barbs are extending 90° downward from the bottom surface of said fastener plate.
- 67. The two-piece fastener assembly of claim 65 wherein said fastener plate is formed of stainless steel or galvanized steel.
- 68. The two-piece fastener assembly of claim 65 wherein said multiple quadruple barbs are substantially evenly spaced from each other.
- 69. A two-piece fastener assembly for securing a roof membrane to an underlying roof deck comprising:
a fastener plate of elliptical configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a third dome-shaped concentric rib spaced from said second dome-shaped concentric rib rising above said fastener plate; e) a first concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; f) a second concentric dimple between said second dome-shaped concentric rib and said third dome-shaped concentric rib; g) a flat concentric surface extending between said third dome-shaped concentric rib and said circumferential edge; wherein at least one of said first or second concentric dimples or said flat concentric surface is provided with multiple quadruple barbs extending downward from the bottom surface of said fastener plate; and wherein said fastener is a screw member having threads thereon.
- 70. The two-piece fastener assembly of claim 69 wherein said multiple quadruple barbs are extending 90° downward from the bottom surface of said fastener plate.
- 71. The two-piece fastener assembly of claim 69 wherein said fastener plate is formed of stainless steel or galvanized steel.
- 72. The two-piece fastener assembly of claim 69 wherein said multiple quadruple barbs are substantially evenly spaced from each other.
- 73. A two-piece fastener assembly for securing a roof membrane to an underlying roof deck comprising:
a fastener plate of square configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a third dome-shaped concentric rib spaced from said second dome-shaped concentric rib rising above the top surface of said fastener plate; e) a first concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; f) a second concentric dimple between said second dome-shaped concentric rib and said third dome-shaped concentric rib; g) a flat concentric surface extending between said third dome-shaped concentric rib and said circumferential edge; wherein at least one of said first or second concentric dimples or said flat concentric surface is provided with multiple quadruple barbs extending downward from the bottom surface of said fastener plate; and wherein said fastener is a screw member having threads thereon.
- 74. The two-piece fastener assembly of claim 73 wherein said multiple quadruple barbs are extending 90° downward from the bottom surface of said fastener plate.
- 75. The two-piece fastener assembly of claim 73 wherein said fastener plate is formed of stainless steel or galvanized steel.
- 76. The two-piece fastener assembly of claim 73 wherein said multiple quadruple barbs are substantially evenly spaced from each other.
- 77. A two-piece fastener assembly for securing a roof membrane to an underlying roof deck comprising:
a fastener plate of rectangular configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a third dome-shaped concentric rib spaced from said second dome-shaped concentric rib rising above the top surface of said fastener plate; e) a first concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; f) a second concentric dimple between said second dome-shaped concentric rib and said third dome-shaped concentric rib; g) a flat concentric surface extending between said third dome-shaped concentric rib and said circumferential edge; wherein at least one of said first or second concentric dimples or said flat concentric surface is provided with multiple quadruple barbs extending downward from the bottom surface of said fastener plate; and wherein said fastener is a screw member having threads thereon.
- 78. The two-piece fastener assembly of claim 77 wherein said multiple quadruple barbs are extending 90° downward from the bottom surface of said fastener plate.
- 79. The two-piece fastener assembly of claim 77 wherein said fastener plate is formed of stainless steel or galvanized steel.
- 80. The two-piece fastener assembly of claim 77 wherein said multiple quadruple barbs are substantially evenly spaced from each other.
- 81. A two-piece fastener assembly for securing a roof membrane to an underlying roof deck comprising:
a fastener plate of circular configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; d) a concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; e) a flat concentric surface extending between said second dome-shaped concentric rib and said circumferential edge; wherein at least one of said concentric dimple or said flat concentric surface is provided with multiple quadruple barbs extending downward from the bottom surface of said fastener plate; and wherein said fastener is a screw member having threads thereon.
- 82. The two-piece fastener assembly of claim 81 wherein said multiple quadruple barbs are extending 90° downward from the bottom surface of said fastener plate.
- 83. The two-piece fastener assembly of claim 81 wherein said fastener plate is formed of stainless steel or galvanized steel.
- 84. The two-piece fastener assembly of claim 81 wherein said multiple quadruple barbs are substantially evenly spaced from each other.
- 85. A two-piece fastener assembly for securing a roof membrane to an underlying roof deck comprising:
a fastener plate of elliptical configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; d) a concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; e) a flat concentric surface extending between said second dome-shaped concentric rib and said circumferential edge; wherein at least one of said concentric dimple or said flat concentric surface is provided with multiple quadruple barbs extending downward from the bottom surface of said fastener plate; and wherein said fastener is a screw member having threads thereon.
- 86. The two-piece fastener assembly of claim 85 wherein said multiple quadruple barbs are extending 90° downward from the bottom surface of said fastener plate.
- 87. The two-piece fastener assembly of claim 86 wherein said fastener plate is formed of stainless steel or galvanized steel.
- 88. The two-piece fastener assembly of claim 86 wherein said multiple quadruple barbs are substantially evenly spaced from each other.
- 89. A two-piece fastener assembly for securing a roof membrane to an underlying roof deck comprising:
a fastener plate of square configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; d) a concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; e) a flat concentric surface extending between said second dome-shaped concentric rib and said circumferential edge; wherein at least one of said concentric dimple or said flat concentric surface is provided with multiple quadruple barbs extending downward from the bottom surface of said fastener plate; and wherein said fastener is a screw member having threads thereon.
- 90. The two-piece fastener assembly of claim 89 wherein said multiple quadruple barbs are extending 90° downward from the bottom surface of said fastener plate.
- 91. The two-piece fastener assembly of claim 89 wherein said fastener plate is formed of stainless steel or galvanized steel.
- 92. The two-piece fastener assembly of claim 89 wherein said multiple quadruple barbs are substantially evenly spaced from each other.
- 93. A two-piece fastener assembly for securing a roof membrane to an underlying roof deck comprising:
a fastener plate of rectangular configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; d) a concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; e) a flat concentric surface extending between said second dome-shaped concentric rib and said circumferential edge; wherein at least one of said concentric dimple or said flat concentric surface is provided with multiple quadruple barbs extending downward from the bottom surface of said fastener plate; and wherein said fastener is a screw member having threads thereon.
- 94. The two-piece fastener assembly of claim 93 wherein said multiple quadruple barbs are extending 90° downward from the bottom surface of said fastener plate.
- 95. The two-piece fastener assembly of claim 93 wherein said fastener plate is formed of stainless steel or galvanized steel.
- 96. The two-piece fastener assembly of claim 93 wherein said multiple quadruple barbs are substantially evenly spaced from each other.
- 97. A method of securing a roof membrane to a roof deck comprising the steps of:
1) providing a two-piece fastener assembly comprising:
a fastener plate of circular configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a third dome-shaped concentric rib spaced from said second dome-shaped concentric rib rising above the top surface of said fastener plate; e) a first concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; f) a second concentric dimple between said second dome-shaped concentric rib and said third dome-shaped concentric rib; g) a flat concentric surface extending between said third dome-shaped concentric rib and said circumferential edge; wherein at least one of said first or second concentric dimples or said flat concentric surface is provided with multiple quadruple barbs extending downward from the bottom surface of said fastener plate; 2) placing a roof membrane having a top surface on a roof deck; 3) placing said fastener plate on said roof membrane with its bottom surface projecting toward the top surface of said roof membrane; 4) inserting said fastener through said opening in said fastener plate; and 5) threading said fastener through the roof membrane into said roof deck to fasten the roof membrane to the roof deck without said multiple quadruple barbs substantially piercing said roof membrane.
- 98. A method of securing a roof membrane to a roof deck comprising the steps of:
1) providing a two-piece fastener assembly comprising:
a fastener plate of ellipsoidal configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a third dome-shaped concentric rib spaced from said second dome-shaped concentric rib rising above the top surface of said fastener plate; e) a first concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; f) a second concentric dimple between said second dome-shaped concentric rib and said third dome-shaped concentric rib; g) a flat concentric surface extending between said third dome-shaped concentric rib and said circumferential edge; wherein at least one of said first or second concentric dimples or said flat concentric surface is provided with multiple quadruple barbs extending downward from the bottom surface of said fastener plate; 2) placing a roof membrane having a top surface on a roof deck; 3) placing said fastener plate on said roof membrane with its bottom surface projecting toward the top surface of said roof membrane; 4) inserting said fastener through said opening in said fastener plate; and 5) threading said fastener through the roof membrane into said roof deck to fasten the roof membrane to the roof deck without said multiple quadruple barbs substantially piercing said roof membrane.
- 99. A method of securing a roof membrane to a roof deck comprising the steps of:
1) providing a two-piece fastener assembly comprising:
a fastener plate of square configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a third dome-shaped concentric rib spaced from said second dome-shaped concentric rib rising above the top surface of said fastener plate; e) a first concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; f) a second concentric dimple between said second dome-shaped concentric rib and said third dome-shaped concentric rib; g) a flat concentric surface extending between said third dome-shaped concentric rib and said circumferential edge; wherein at least one of said first or second concentric dimples or said flat concentric surface is provided with multiple quadruple barbs extending downward from the bottom surface of said fastener plate; 2) placing a roof membrane having a top surface on a roof deck; 3) placing said fastener plate on said roof membrane with its bottom surface projecting toward the top surface of said roof membrane; 4) inserting said fastener through said opening in said fastener plate; and 5) threading said fastener through the roof membrane into said roof deck to fasten the roof membrane to the roof deck without said multiple quadruple barbs substantially piercing said roof membrane.
- 100. A method of securing a roof membrane to a roof deck comprising the steps of:
1) providing a two-piece fastener assembly comprising:
a fastener plate of rectangular configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a third dome-shaped concentric rib spaced from said second dome-shaped concentric rib rising above the top surface of said fastener plate; e) a first concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; f) a second concentric dimple between said second dome-shaped concentric rib and said third dome-shaped concentric rib; g) a flat concentric surface extending between said third dome-shaped concentric rib and said circumferential edge; wherein at least one of said first or second concentric dimples or said flat concentric surface is provided with multiple quadruple barbs extending downward from the bottom surface of said fastener plate; 2) placing a roof membrane having a top surface on a roof deck; 3) placing said fastener plate on said roof membrane with its bottom surface projecting toward the top surface of said roof membrane; 4) inserting said fastener through said opening in said fastener plate; and 5) threading said fastener through the roof membrane into said roof deck to fasten the roof membrane to the roof deck without said multiple quadruple barbs substantially piercing said roof membrane.
- 101. A method of securing a roof membrane to a roof deck comprising the steps of:
1) providing a two-piece fastener assembly comprising:
a fastener plate of circular configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; e) a flat concentric surface extending between said second dome-shaped concentric rib and said circumferential edge; wherein at least one of said concentric dimple or said flat concentric surface is provided with multiple quadruple barbs extending downward from the bottom surface of said fastener plate; 2) placing a roof membrane having a top surface on a roof deck; 3) placing said fastener plate on said roof membrane with its bottom surface projecting toward the top surface of said roof membrane; 4) inserting said fastener through said opening in said fastener plate; and 5) threading said fastener through the roof membrane into said roof deck to fasten the roof membrane to the roof deck without said multiple quadruple barbs substantially piercing said roof membrane.
- 102. A method of securing a roof membrane to a roof deck comprising the steps of:
1) providing a two-piece fastener assembly comprising:
a fastener plate of elliptical configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; e) a flat concentric surface extending between said second dome-shaped concentric rib and said circumferential edge; wherein at least one of said concentric dimple or said flat concentric surface is provided with multiple quadruple barbs extending downward from the bottom surface of said fastener plate; 2) placing a roof membrane having a top surface on a roof deck; 3) placing said fastener plate on said roof membrane with its bottom surface projecting toward the top surface of said roof membrane; 4) inserting said fastener through said opening in said fastener plate; and 5) threading said fastener through the roof membrane into said roof deck to fasten the roof membrane to the roof deck without said multiple quadruple barbs substantially piercing said roof membrane.
- 103. A method of securing a roof membrane to a roof deck comprising the steps of:
1) providing a two-piece fastener assembly comprising:
a fastener plate of square configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; e) a flat concentric surface extending between said second dome-shaped concentric rib and said circumferential edge; wherein at least one of said concentric dimple or said flat concentric surface is provided with multiple quadruple barbs extending downward from the bottom surface of said fastener plate; 2) placing a roof membrane having a top surface on a roof deck; 3) placing said fastener plate on said roof membrane with its bottom surface projecting toward the top surface of said roof membrane; 4) inserting said fastener through said opening in said fastener plate; and 5) threading said fastener through the roof membrane into said roof deck to fasten the roof membrane to the roof deck without said multiple quadruple barbs piercing said roof membrane.
- 104. A method of securing a roof membrane to a roof deck comprising the steps of:
1) providing a two-piece fastener assembly comprising:
a fastener plate of rectangular configuration defined by a top surface, a bottom surface, and a circumferential edge, said fastener plate comprising:
a) an opening in its center portion for receiving a fastener therethrough for securing the fastener plate to a roof deck; b) a first dome-shaped concentric rib rising above the top surface of said fastener plate; c) a second dome-shaped concentric rib spaced from said first dome-shaped concentric rib rising above the top surface of said fastener plate; and d) a concentric dimple between said first dome-shaped concentric rib and said second dome-shaped concentric rib; e) a flat concentric surface extending between said second dome-shaped concentric rib and said circumferential edge; wherein at least one of said concentric dimple or said flat concentric surface is provided with multiple quadruple barbs extending downward from the bottom surface of said fastener plate; 2) placing a roof membrane having a top surface on a roof deck; 3) placing said fastener plate on said roof membrane with its bottom surface projecting toward the top surface of said roof membrane; 4) inserting said fastener through said opening in said fastener plate; and 5) threading said fastener through the roof membrane into said roof deck to fasten the roof membrane to the roof deck without said multiple quadruple barbs substantially piercing said roof membrane.
REFERENCE TO PRIOR APPLICATION DATA
[0001] This application is a continuation-in-part of copending application Ser. No. 10/357,113 filed on Feb. 3, 2002.
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
10357113 |
Feb 2003 |
US |
Child |
10794839 |
Mar 2004 |
US |