Claims
- 1. A multi-layered structure comprising:
- a fibrous porous hydrophobic layer;
- a spacing layer in adjacent juxtaposition to the porous hydrophobic layer;
- a liquid collection area in liquid communication with the spacing layer; and
- wherein, upon the spacing layer being contacted with water and subjected to a compressive pressure of at least 2 pounds per square inch in a direction generally perpendicular to the spacing layer, none of the water passes through the fibrous porous hydrophobic layer.
- 2. The multi-layered structure of claim 1, wherein the fibrous porous hydrophobic layer is formed from a nonwoven web.
- 3. The multi-layered structure of claim 1 wherein the spacing layer is formed by a member selected from a group which includes glass fibers, thermoplastic fibers, cellulose fibers, a plurality of spaced apart support members or any combination thereof.
- 4. The multi-layered structure of claim 3 wherein at least one of the support members is corrugated.
- 5. The multi-layered structure of claim 3 wherein the area between at least two support members defines a channel.
- 6. The multi-layered structure of claim 3 wherein the support members are further defined as a plurality of spaced apart elastic strips.
- 7. The multi-layered structure of claim 1 wherein, upon the spacing layer being contacted with water and subjected to a compressive pressure of at least 5 pounds per square inch in a direction generally perpendicular to the spacing layer, none of the water passes through the fibrous porous hydrophobic layer.
- 8. The multi-layered structure of claim 1 wherein, upon the spacing layer being contacted with water and subjected to a compressive pressure of at least 10 pounds per square inch in a direction generally perpendicular to the spacing layer, none of the water passes through the fibrous porous hydrophobic layer.
- 9. A surgical gown formed from the multi-layered structure of claim 1.
- 10. A surgical drape formed from multi-layered structure of claim 1.
- 11. A coverall formed from the multi-layered structure of claim 1.
- 12. A nonwoven multi-layered web comprising:
- a hydrophobic nonwoven web layer spaced a distance apart from a nonwoven web layer by a spacing layer;
- a liquid collection area in liquid communication with the spacing layer; and
- wherein upon the nonwoven web layer being contacted with water and subjected to a compressive pressure of at least 2 psi, none of the water passes through the hydrophobic nonwoven web layer.
- 13. The nonwoven multi-layered web of claim 12 wherein the spacing layer is formed by a member selected from a group which includes glass fibers, thermoplastic fibers, cellulose fibers, a plurality of spaced apart support members or any combination thereof.
- 14. The nonwoven multi-layered web of claim 13 wherein the area between the plurality of spaced apart support members defines a plurality of channels and wherein the collection area is formed from an absorbent material positioned within a portion of the channels.
- 15. The nonwoven multi-layered web of claim 13 wherein a surface of at least one of the support members is corrugated.
- 16. The nonwoven multi-layered web of claim 13 wherein the area between at least two support members defines a channel.
- 17. The nonwoven multi-layered web of claim 13 wherein the support members are further defined as a plurality of spaced apart elastic strips.
- 18. The nonwoven multi-layered web of claim 12 wherein the nonwoven web layer is further characterized as another hydrophobic nonwoven web layer.
- 19. The nonwoven multi-layered web of claim 12 wherein the hydrophobic nonwoven web layer may be formed from a plurality of layers.
- 20. The nonwoven multi-layered web of claim 12 wherein the nonwoven web layer may be formed from a plurality of layers.
- 21. The nonwoven multi-layered web of claim 13 wherein at least two of the support members intersect.
- 22. A multi-layered structure comprising:
- a fibrous porous hydrophobic layer;
- a spacing layer in adjacent juxtaposition to the porous hydrophobic layer; and
- wherein, upon the spacing layer being contacted with water and subjected to a compressive pressure of at least 2 pounds per square inch in a direction generally perpendicular to the spacing layer, none of the water passes through the fibrous porous hydrophobic layer.
- 23. The multi-layered structure of claim 22 wherein the porous hydrophobic layer is formed from a fibrous nonwoven web.
- 24. The multi-layered structure of claim 22 wherein the spacing layer is formed by a member selected from a group which includes glass fibers, thermoplastic fibers, cellulose fibers, a plurality of spaced apart support members or any combination thereof.
- 25. The multi-layered structure of claim 24 wherein at least one of the support members is corrugated.
- 26. The multi-layered structure of claim 24 wherein the area between at least two support members defines a channel.
- 27. The multi-layered structure of claim 24 wherein the support members are further defined as a plurality of spaced apart elastic strips.
- 28. The multi-layered structure of claim 22 wherein, upon the spacing layer being contacted with water and subjected to a compressive pressure of at least 5 pounds per square inch in a direction generally perpendicular to the spacing layer, none of the water passes through the fibrous porous hydrophobic layer.
- 29. The multi-layered structure of claim 22 wherein, upon the spacing layer being contacted with water and subjected to a compressive pressure of at least 10 pounds per square inch in a direction generally perpendicular to the spacing layer, none of the water passes through the fibrous porous hydrophobic layer.
- 30. A surgical gown formed from the multi-layered structure of claim 22.
- 31. A surgical drape formed from the multi-layered structure of claim 22.
- 32. A coverall formed from the multi-layered structure of claim 22.
- 33. A multi-layered structure comprising:
- a fibrous porous hydrophobic layer;
- a spacing layer in adjacent juxtaposition to the porous hydrophobic layer; and
- a fibrous porous layer in adjacent juxtaposition to the spacing layer; and
- wherein, upon the spacing layer being contacted with water and subjected to a compressive pressure of at least 2 pounds per square inch in a direction generally perpendicular to the spacing layer, none of the water passes through the fibrous porous hydrophobic layer.
- 34. The multi-layered structure of claim 33 wherein the fibrous porous hydrophobic layer is formed from a nonwoven web.
- 35. The multi-layered structure of claim 33 wherein the fibrous porous layer is formed from a nonwoven web.
- 36. The multi-layered structure of claim 33 wherein the spacing layer is formed by a member selected from a group which includes glass fibers, thermoplastic fibers, cellulose fibers, a plurality of spaced apart support members or any combination thereof.
- 37. The multi-layered structure of claim 36 wherein at least one of the support members is corrugated.
- 38. The multi-layered structure of claim 36 wherein the area between at least two support members defines a channel.
- 39. The multi-layered structure of claim 36 wherein the support members are further defined as a plurality of spaced apart elastic strips.
- 40. The multi-layered structure of claim 33 wherein, upon the spacing layer being contacted with water and subjected to a compressive pressure of at least 5 pounds per square inch in a direction generally perpendicular to the spacing layer, none of the water passes through the fibrous porous hydrophobic layer.
- 41. The multi-layered structure of claim 33 wherein, upon the spacing layer being contacted with water and subjected to a compressive pressure of at least 10 pounds per square inch in a direction generally perpendicular to the spacing layer, none of the water passes through the fibrous porous hydrophobic layer.
- 42. A surgical gown formed from the multi-layered structure of claim 33.
- 43. A surgical drape formed from the multi-layered structure of claim 33.
- 44. A coverall formed from the multi-layered structure of claim 33.
Parent Case Info
This application is a continuation of application Ser. No. 08/495,122, filed in the U.S. Patent and Trademark Office on Jun. 27, 1995 and now abandoned.
US Referenced Citations (35)
Foreign Referenced Citations (1)
Number |
Date |
Country |
1 188 452 |
Jun 1985 |
CAX |
Continuations (1)
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Number |
Date |
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Parent |
495122 |
Jun 1995 |
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