Claims
- 1. A nozzle assembly for use in a plural component application system, comprising:
- a liquid nozzle having a plurality of small, spaced liquid passageways in a two-dimensional array about the geometric center of said liquid nozzle and adapted to project a plurality of small, spaced streams of a first plural component material forward of the liquid nozzle; and
- a body forming an opening in its face permitting the body to be positioned adjacent the liquid nozzle,
- said body having a plurality of spray nozzles equally spaced on a first plane on opposite sides of said opening and adapted to direct a plurality of conical-shaped sprays of a second plural component and air inwardly at said plurality of small spaced streams of said first plural component material,
- said body also having a first plurality of air passageways on a second plane between said plurality of air-second plural component spray nozzles and equally spaced on opposite sides of said opening and adapted to direct a first plurality of flows of compressed air forwardly of the body for downstream containment of the plural components.
- 2. The nozzle assembly of claim 1 wherein said plurality of small spaced liquid passageways are distributed in a two-dimensional array having a plurality of rows of passageways, with each of the rows having a greater number of passageways than the number of rows, said two-dimensional array having a length along said rows greater than its width across said rows.
- 3. The nozzle assembly of claim 2 wherein said plurality of small spaced liquid passageways are distributed in a two-dimensional array having five rows with each row having at least six passageways.
- 4. The nozzle assembly of claim 1 wherein each of said first plurality of air passageways is surrounded by a cavity at the front face of the nozzle.
- 5. The nozzle assembly of claim 4 wherein the central axis of the cavities lie at an acute angle with respect to the central axis of the air passageways.
- 6. The nozzle assembly of claim 5 wherein the cavities have an inside diameter of about 0.138 inch and a depth of about 0.118 inch and their central axes lie at an angle of about 20.degree. with respect to the central axes of the air passageways.
- 7. The nozzle assembly as in claim 1 wherein each of said second plurality of air passageways has a diameter substantially smaller than the diameters of the first plurality of air passageways and the passageways leading to the spray nozzles.
- 8. The nozzle assembly as in claim 1 wherein said plurality of spray nozzles includes two spray nozzles equally spaced on said first plane on opposite sides of said opening,
- wherein said first plurality of air passageways includes two passageways equally spaced on said second plane on opposite sides of said opening, said second plane of said first plurality of air passageways being perpendicular to and bisecting the first plane of said two spray nozzles; and
- wherein said second plurality of air passageways includes four passageways spaced equally between said two spray nozzles and said first two air passageways.
- 9. The nozzle assembly as in claim 1 wherein the central axes of said second plurality of air passageways lie generally parallel to each other and perpendicular to the face of said body to direct said second plurality of flows of compressed air forwardly of the body generally parallel to each other and perpendicular to the face of said body.
- 10. A nozzle assembly for use in a plural component application system, comprising:
- a liquid nozzle having a plurality of small, spaced liquid passageways in a two-dimensional array about the geometric center of said liquid nozzle and adapted to project a plurality of small, spaced streams of a first plural component material forward of the liquid nozzle; and
- a body forming an opening in its face permitting the body to be positioned adjacent the liquid nozzle,
- said body having a plurality of spray nozzles equally spaced on a first plane on opposite sides of said opening and adapted to direct a plurality of sprays of a second plural component in air inwardly at said plurality of small spaced streams of said first plural component material, said spray nozzles being adapted to direct the spray of second component material along the rows, said plurality of air passageways being generally centrally located adjacent the center of the outermost rows,
- said body also having a first plurality of air passageways on a second plane between said plurality of air-second plural component spray nozzles and equally spaced on opposite sides of said opening and adapted to direct a first plurality of flows of compressed air forwardly of the body for containing the plural components,
- said body also having a second plurality of air passageways arranged between said liquid nozzle and said plurality of spray nozzles and adapted to direct a second plurality of flows of compressed air forwardly of the body for inhibiting the accumulation of said plural component materials on the face of said nozzle assembly.
- 11. The nozzle assembly of claim 10 wherein said spray nozzles are adapted to form the sprays of second plural component material into expanding conical-shaped sprays.
- 12. A method of applying a plural component material to a substrate, comprising:
- delivering a flow of a first component of said plural component material to an applicator means;
- delivering a flow of a second component of said plural component material to said applicator means;
- delivering a flow of compressed air to said applicator means;
- forming said first component into a plurality of small, spaced streams of said first plural component distributed in a two-dimensional array extending forwardly from the applicator means from a first location;
- mixing said flow of second component with said flow of compressed air;
- forming the mixture of compressed air and second component into a plurality of conically-shaped sprays of second component entrained in compressed air and directing the plurality of conically-shaped sprays of air-entrained second component at the plurality of small, spaced streams of said first component; and
- directing a first plurality of flows of compressed air substantially parallel to said small, spaced streams from a plurality of locations closely adjacent said plurality of small, spaced streams of first component material for capturing and containing emissions of first and second components downstream of the intersection of the first and second components.
- 13. The method of claim 12 wherein said plurality of small, spaced streams of said first component is distributed from said first location in an array of a plurality of rows, each row having a plurality of passageways with the number of passageways in each row exceeding the number of rows and having a length dimension greater than the height of the array.
- 14. The method of claim 12 wherein the rates of flow of said second plurality of air flows is substantially less than the rates of flow said first plurality of air flows.
- 15. A method of applying a plural component material to a substrate, comprising:
- delivering a flow of a first component of said plural component material to an applicator means;
- delivering a flow of a second component of said plural component material to said applicator means;
- delivering a flow of compressed air to said applicator means;
- forming said first component into a plurality of small, spaced streams of said first plural component distributed in a two-dimensional array extending forwardly from the applicator means from a first location, said two-dimensional array including a plurality of rows, each row having a plurality of passageways with the number of passageways in each row exceeding the number of rows and having a length dimension greater than the height of this array;
- mixing said flow of second component with said flow of compressed air;
- forming the mixture of compressed air and second component into a plurality of sprays of second component entrained in compressed air and directing the plurality of sprays of air-entrained second component at the plurality of small, spaced streams of said first component;
- directing a first plurality of flows of compressed air substantially parallel to said small, spaced streams from a plurality of locations closely adjacent said plurality of small, spaced streams of first component material for containing emissions of first and second components, said first plurality of air flows being directed in two separate flows of compressed air from a pair of opposed locations generally adjacent the centers of the outermost rows of the two-dimensional array; and
- directing a second plurality of flows of compressed air forwardly of the body for inhibiting the accumulation of first and second components on the face of said nozzle assembly.
- 16. A method of applying a plural component material to a substrate, comprising:
- delivering a flow of a first component of said plural component material to an applicator means;
- delivering a flow of a second component of said plural component material to said applicator means;
- delivering a flow of compressed air to said applicator means;
- forming said first component into a plurality of small, spaced streams of said first plural component distributed in a two-dimensional array extending forwardly from the applicator means from a first location, said two-dimensional array including a plurality of rows, each row having a plurality of passageways with the number of passageways in each row exceeding the number of rows and having a length dimension greater than the height of this array;
- mixing said flow of second component with said flow of compressed air;
- forming the mixture of compressed air and second component into a plurality of sprays of second component entrained in compressed air and directing the plurality of sprays of air-entrained second component at the plurality of small, spaced streams of said first component, said plurality of sprays of the second component including two separate sprays of air and second component directed at the plurality of small, spaced streams of the first component from a pair of second locations equally spaced from and centrally located on the opposite sides of small, spaced streams of said first component that are formed by the ends of the rows;
- directing a first plurality of flows of compressed air substantially parallel to said small, spaced streams from a plurality of locations closely adjacent said plurality of small, spaced streams of first component material for containing emissions of first and second components, said first plurality of air flows being directed in two separate flows substantially parallel to the small, spaced streams of said first component from a pair of third locations equally spaced on the opposite sides of the small, spaced streams of said first component that are formed by the outermost rows, and
- directing a second plurality of flows of compressed air forwardly of the body for inhibiting the accumulation of first and second components on the face of said nozzle assembly, said second plurality of air flows being directed in four separate flows that are substantially parallel to the small, spaced streams of said first component and generally parallel to each other and being substantially equally spaced between the second locations of said sprays of second component and said third locations of said first plurality of air flows.
- 17. Means for spraying a plural component material, comprising:
- a first delivery means for providing a flow of a first component;
- a second delivery means for providing a flow of a second component;
- an air delivery means for providing a flow of compressed air;
- an injection means for mixing said flow of second component with a flow of air from said air delivery means;
- a sprayer for mixing said first and second components and directing mixed plural component material from the sprayer;
- said sprayer comprising a liquid nozzle having a plurality of small, spaced liquid passageways in a two-dimensional array about the geometric center of said liquid nozzle and adapted to project a plurality of small, spaced streams of the first component forwardly of the liquid nozzle; and
- a combined nozzle assembly adjacent the liquid nozzle,
- said combined nozzle assembly having a plurality of second component-air nozzles spaced on a first plane on opposite sides of said liquid nozzle and adapted to direct a plurality of conically-shaped sprays of second component and air inwardly at said plurality of small spaced streams of said first plural component material,
- said combined nozzle assembly also having a first plurality of air passageways spaced between said plurality of second component-air nozzles and on opposite sides of said liquid nozzle for directing a first plurality of flows of compressed air forwardly of the body for downstream containment of the plural components.
- 18. The means of claim 17 and further including alignment means on said liquid nozzle and said combined nozzle assembly for automatically aligning said liquid nozzle and combined nozzle assembly when said liquid nozzle and said combined nozzle assembly are assembled.
- 19. A nozzle assembly for use in a plural component application system, comprising:
- a liquid nozzle having a plurality of small, spaced liquid passageways in a two-dimensional array about the geometric center of said liquid nozzle, said passageways being adapted to project a plurality of small, spaced streams of a first plural component material forwardly of the liquid nozzle; and
- a body forming an opening in its face permitting the body to be positioned adjacent the liquid nozzle,
- said body having a plurality of spray nozzles equally spaced on opposite sides of said opening and adapted to direct a plurality of generally conically-shaped sprays of a second plural component and air inwardly at said plurality of small spaced streams of said first plural component material,
- said body also having a plurality of air passageways equally spaced between said plurality of spray nozzles and adapted to direct a plurality of flows of compressed air forwardly of the body, generally parallel to each other and perpendicular to the face of the body for downstream containment of the mixed plural component spray.
- 20. The nozzle assembly of claim 19 wherein said plurality of small spaced passageways are distributed in a two-dimensional array having a plurality of rows of passageways, with each of the rows having a greater number of passageways than the number of rows, said two-dimensional array having a length along said rows greater than its width across said rows.
- 21. The nozzle assembly of claim 20 wherein said plurality of small spaced liquid passageways are distributed in a two-dimensional array having five rows with each row having at least six passageways.
- 22. The nozzle assembly of claim 19 wherein each of said air passageways is surrounded by a cavity at the front face of the nozzle.
- 23. The nozzle assembly of claim 22 wherein the central axes of the cavities lie at an acute angle with respect to the central axis of the air passageways.
- 24. The nozzle assembly of claim 23 wherein the cavities have an inside diameter of about 0.138 inch and a depth of about 0.118 inch and their central axes lie at an angle of about 20.degree. with respect to the central axes of the air passageways.
- 25. A nozzle assembly for use in a plural component application system, comprising:
- a liquid nozzle having a plurality of small, spaced liquid passageways in a two-dimensional array about the geometric center of said liquid nozzle, said passageways being adapted to project a plurality of small, spaced streams of a first plural component material forwardly of the liquid nozzle; and
- a body forming an opening in its face permitting the body to be positioned adjacent the liquid nozzle,
- said body having a plurality of spray nozzles equally spaced on opposite sides of said opening and adapted to direct a plurality of generally conically-shaped sprays of a second plural component and air inwardly at said plurality of small spaced streams of said first plural component material, said spray nozzles being adapted to direct the spray of second plural component material along the rows and said plurality of air passageways being generally equally spaced from the center of the two-dimensional array,
- said body also having a plurality of air passageways equally spaced between said plurality of spray nozzles and adapted to direct a plurality of flows of compressed air forwardly of the body, generally parallel to each other and perpendicular to the face of the body.
- 26. The nozzle assembly of claim 25 wherein said spray nozzles are adapted to form the sprays of second plural component material into sprays expanding into the sides of the two-dimensional array formed by the ends of the rows.
- 27. A method of applying a plural component material, comprising:
- delivering a flow of a first component of said plural component material to an application means;
- delivering a flow of a second component of said plural component material to said application means;
- delivering a flow of compressed air to said application means;
- forming said first component into a plurality of small, spaced streams of said first component distributed in a two-dimensional array extending from the application means;
- mixing said flow of second component with said flow of compressed air;
- forming the mixture of compressed air and second component into a plurality of generally conically-shaped sprays of second component in compressed air and directing the plurality of sprays of second component in compressed air at the plurality of small, spaced streams of said first component; and
- directing a plurality of flows of compressed air substantially parallel to said small, spaced streams from a plurality of locations closely adjacent said plurality of small, spaced streams of first component material to contain the mixed plural components downstream of the intersection of the first and second components,
- wherein particles of said first and second components are substantially prevented from escaping application and are mixed as applied.
- 28. The method of claim 27 wherein said plurality of small, spaced streams of first component are distributed in an array of a plurality of rows, each row having a plurality of passageways with the number of passageways in each row exceeding the number of rows and having a length dimension greater than the height of the array.
- 29. A method of applying a plural component material, comprising:
- delivering a flow of a first component of said plural component material to an application means;
- delivering a flow of a second component of said plural component material to said application means;
- delivering a flow of compressed air to said application means;
- forming said first component into a plurality of small, spaced streams of said first component distributed in a two-dimensional array extending from the application means,
- the array having a plurality of rows, each row having a plurality of passageways with the number of passageways in each row exceeding the number of rows and having a length dimension greater than the height of the array,
- mixing said flow of second component with said flow of compressed air;
- forming the mixture of compressed air and second component into a plurality of generally conically-shaped sprays of second component in compressed air and directing the plurality of sprays of second component in compressed air at the plurality of small, spaced streams of said first component; and
- directing a plurality of flows of compressed air substantially parallel to said small, spaced streams from a plurality of locations closely adjacent said plurality of small, spaced streams of first component material, said plurality of air flows being directed in two flows of compressed air from a pair of opposed locations that lie on a line generally passing through the centers of the rows of a plurality of small, spaced streams,
- wherein particles of said first and second components are substantially prevented from escaping application and are mixed as applied.
- 30. A method of applying a plural component material, comprising:
- delivering a flow of a first component of said plural component material to an application means;
- said application means comprising
- a nozzle body having a central opening at its longitudinal center line in which a means forming said plurality of small, spaced streams of first component is positioned,
- two spray orifices being equally spaced from and on opposite sides of the longitudinal center line of the nozzle body for directing said plurality of flows of second component in compressed air at the ends of the plurality of rows of small spaced streams of the second component, and
- two air orifices being positioned to direct the plurality of flows of compressed air forwardly of the nozzle body and generally parallel to its longitudinal center line,
- delivering a flow of a second component of said plural component material to said application means;
- delivering a flow of compressed air to said application means;
- forming said first component into a plurality of small, spaced streams of said first component distributed in a two-dimensional array extending from the application means,
- the array having a plurality of rows, each row having a plurality of passageways with the number of passageways in each row exceeding the number of rows and having a length dimension greater than the height of the array,
- mixing said flow of second component with said flow of compressed air;
- forming the mixture of compressed air and second component into a plurality of generally conically-shaped sprays of second component in compressed air and directing the plurality of sprays of second component in compressed air at the plurality of small, spaced streams of said first component; and
- directing a plurality of flows of compressed air substantially parallel to said small, spaced streams from a plurality of locations closely adjacent said plurality of small, spaced streams of first component material,
- wherein particles of said first and second components are substantially prevented from escaping application and are mixed as applied.
- 31. The method of claim 30 wherein each of said air orifices for directing a flow of compressed air is surrounded by a cavity.
- 32. A nozzle assembly for use in a plural component application system, comprising:
- a liquid nozzle having a plurality of small, spaced liquid passageways in a two-dimensional array about the geometric center of said liquid nozzle, said passageways being adapted to project a plurality of small, spaced streams of a first plural component material forwardly of the liquid nozzle in a generally rectangular spray pattern having a pair of length edges and a pair of width edges, the length edges being longer than the width edges,
- a body forming an opening in its face permitting the body to be positioned adjacent the liquid nozzle,
- first means coupled to the body for forming a plurality of generally conical-shaped sprays of air and a second plural component material and directing the plurality of conical-shaped sprays at the width edges of the first plural component material spray pattern adjacent the liquid nozzle outlet to combine the first and second plural component materials, and
- second means coupled to the body for forming a plurality of air flows and directing the plurality of air flows for downstream containment of the combined flows of first and second plural components.
RELATED APPLICATIONS
This application is a continuation of application Ser. No. 08/137,491 filed Nov. 19, 1993, now abandoned, which is a continuation-in-part of U.S. patent application Ser. No. 07/968,004 filed Oct. 26, 1992, now abandoned.
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Foreign Referenced Citations (4)
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0038481 |
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EPX |
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Continuations (1)
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Number |
Date |
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Parent |
137491 |
Nov 1993 |
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Continuation in Parts (1)
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Number |
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968004 |
Oct 1992 |
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