Co-molded direct flock and flock transfer and methods of making same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B44C-001/16
B28B-019/00
B28B-023/00
B29C-065/70
B32B-033/00
B29C-051/00
출원번호
US-0394357
(2003-03-21)
등록번호
US-7338697
(2008-03-04)
발명자
/ 주소
Abrams,Louis Brown
출원인 / 주소
High Voltage Graphics, Inc.
대리인 / 주소
Sheridan Ross P.C.
인용정보
피인용 횟수 :
12인용 특허 :
130
초록▼
A method of decorating a molded article is provided that includes the steps of: (a) providing a mold insert comprising a plurality of flock fibers and a permanent adhesive layer; (b) positioning the mold insert in a mold; and (c) introducing resin into the mold, such that a resin contacts the mol
A method of decorating a molded article is provided that includes the steps of: (a) providing a mold insert comprising a plurality of flock fibers and a permanent adhesive layer; (b) positioning the mold insert in a mold; and (c) introducing resin into the mold, such that a resin contacts the mold insert to form a molded article. The melting point of the permanent adhesive layer is preferably greater than a temperature of the resin during molding.
대표청구항▼
What is claimed is: 1. A molded article, comprising: a plurality of flock fibers having opposing first and second ends; a fully activated permanent thermosetting adhesive layer engaging and adhering the second ends of the flock fibers; and a nonplanar dimensionally stable backing film, wherein the
What is claimed is: 1. A molded article, comprising: a plurality of flock fibers having opposing first and second ends; a fully activated permanent thermosetting adhesive layer engaging and adhering the second ends of the flock fibers; and a nonplanar dimensionally stable backing film, wherein the fully activated permanent thermosetting adhesive layer is positioned between the flock fibers and the backing film and adhered to the backing film; and a molded resin, the backing film being positioned between the molded resin and the thermosetting adhesive layer and in contact with the molded resin, wherein the molded resin and backing film each are composed of a polymeric material, wherein the backing film is nonplanar before molding, wherein the fully activated permanent thermosetting adhesive layer is fully activated before molding, and wherein orientation of the flock before molding is substantially the same as the orientation of the flock after molding. 2. The molded article of claim 1, wherein a release sheet has opposing first and second sides, wherein the first side of the release sheet is affixed, by an intermediate release adhesive, to the first ends of the flock fibers and the permanent thermosetting adhesive layer is affixed to the second ends of the flock fibers and wherein the second side of the release sheet is configured to contact directly an interior surface of the mold. 3. The molded article of claim 2, wherein the release sheet is affixed to the first surface by a release adhesive, wherein a first bonding force exists between at least one of the release sheet and the flock fibers on the one hand and the release adhesive on the other, wherein a second bonding force exists between the flock fibers and the permanent thermosetting adhesive layer, and the first bonding force is less than the second bonding force. 4. The molded article of claim 1, wherein the flock is adhered to the backing film by the thermosetting adhesive layer and the second ends of the flock fibers are embedded in the thermosetting adhesive layer. 5. The molded article of claim 1, wherein the permanent thermosetting adhesive layer is a cast, continuous film and wherein the backing film has a first composition and the molded resin a second composition, with the first and second compositions being different from one another. 6. The molded article of claim 1, wherein the permanent thermosetting adhesive layer is an extruded, continuous film and wherein the backing film has a first composition and the molded resin a second composition, with the first and second compositions being different from one another. 7. The molded article of claim 1, wherein the thermosetting permanent adhesive layer is not a fabric, wherein the backing film is not a fabric, wherein the backing film is one of a cast, continuous film and an extruded, continuous film. 8. The molded article of claim 1, wherein the molded article is formed by direct flocking techniques, wherein the backing film has a melting temperature, and wherein the backing film retains the nonplanar shape. 9. The molded article of claim 1, wherein the molded article comprises a transfer. 10. The molded article of claim 1, wherein the plurality of flock fibers are oriented at least substantially perpendicular to an adjacent surface of the permanent thermosetting adhesive layer and wherein the molded article comprises a design media other than the flock fibers. 11. The molded article of claim 1, wherein the molded article is formed into a three dimensional shape and wherein the backing film is selected from the group consisting of polystyrene, polyacrylic, polyvinyl, polyolefin, cellulose, polycarbonate, ABS, polypropylene, polyethylene, polyester, and mixtures and composites thereof. 12. The molded article of claim 1, wherein the molded article further comprises a second adhesive located between the permanent thermosetting adhesive layer and the backing film. 13. The molded article of claim 1, further comprising a barrier film positioned between the flock fibers and the backing film, the barrier film at least one of providing a selected coloration to the article, having a high tensile strength, having a high compressive strength, having a low modulus of elasticity, blocking migration of a selected substance, wherein the selected substance is the resin and/or thermosetting adhesive, and having a low thermal conductivity. 14. The molded article of claim 13, wherein the barrier film includes a thermally insulative material. 15. The molded article of claim 1, further comprising a foam backing material or precursor thereof. 16. The molded article of claim 1, wherein at least most of the flock fibers are at least substantially parallel to one another and at least substantially perpendicular to the backing film. 17. The molded article of claim 1, wherein at least about 75% of the flock fibers are at least substantially parallel to one another and at least substantially orthogonal to the surface of the backing film. 18. The molded article of claim 1, wherein at least about 90% of the flock fibers are at least substantially parallel to one another and at least substantially orthogonal to the surface of the backing film. 19. The molded article of claim 1, wherein the backing film and the resin have different melting and softening temperatures. 20. The molded article of claim 1, wherein the backing film is a cast film. 21. A molded article, comprising: a plurality of flock fibers having opposing first and second ends; a fully activated, permanent, thermosetting adhesive layer, a first surface of the adhesive layer engaging the second ends of the flock fibers; and a nouplanar dimensionally stable backing film, wherein the fully activated permanent thermosetting adhesive layer is positioned between the flock fibers and the backing film, a second surface of the thermosetting adhesive layer being in contact with the backing film, the first and second surfaces being opposed to one another; and a molded resin, the backing film being positioned between the molded resin and the thermosetting adhesive layer and in contact with the molded resin, wherein the molded resin and backing film each are composed of a polymeric material, wherein the backing film has a first composition and the molded resin a second composition, with the first and second compositions being different from one another, and wherein there is neither a hot melt nor binder adhesive positioned between the backing film and the flock fibers, wherein the backing film is nonplanar before molding, wherein the permanent thermosetting adhesive layer is fully activated before molding, and wherein orientation of the flock before molding is substantially the same as the orientation of the flock after molding. 22. The molded article of claim 21, wherein a release sheet has opposing first and second sides, wherein the first side is affixed to the first ends of the flock fibers and the permanent thermosetting adhesive layer is affixed to the second ends of the flock fibers, wherein a first bonding force exists between at least one of the release sheet and the flock fibers on the one hand and the release adhesive on the other, wherein a second bonding force exists between the flock fibers and the permanent thermosetting adhesive layer, and the first bonding force is less than the second bonding force, and wherein the second side of the release sheet is configured to contact directly an interior surface of the mold. 23. The molded article of claim 21, wherein the plurality of flock fibers are oriented at least substantially perpendicular to an adjacent surface of the permanent thermosetting adhesive layer. 24. The molded article of claim 21, wherein the molded article is formed into a three dimensional shape. 25. The molded article of claim 21, wherein the backing film has a melting themperature and is selected from the group consisting of polystyrene, polyacrylic, polyvinyl, polyolefin, cellulose, polycarbonate, ABS, polypropylene, polyethylene, polyester, and mixtures and composites thereof. 26. The molded article of claim 21, wherein the backing film is not a fabric. 27. The molded article of claim 21, wherein the molded article further comprises a second adhesive located between the permanent thermosetting adhesive layer and the backing film. 28. The molded article of claim 27, further comprising a barrier film positioned between the flock fibers and the backing film. 29. The molded article of claim 21, further comprising a foam backing material or precursor thereof. 30. The molded article of claim 21, wherein at least most of the flock fibers are at least substantially parallel to one another and perpendicular to the backing film. 31. The molded article of claim 30, wherein at least about 75% of the flock fibers are at least substantially parallel to one another and at least substantially orthogonal to the surface of the backing film. 32. The molded article of claim 30, wherein at least about 90% of the flock fibers are at least substantially parallel to one another and at least substantially orthogonal to the surface of the backing film. 33. The molded article of claim 21, wherein the backing film and the resin have different melting and softening temperatures. 34. A molded article, comprising: a plurality of flock fibers having opposing first and second ends; a cross-linked, permanent, thermosetting adhesive layer, a first surface of the thermosetting adhesive layer engaging the second ends of the flock fibers; and a nonplanar shape retaining backing film, wherein the thermosetting adhesive layer is positioned between the flock fibers and the backing film and wherein a second surface of the thermosetting adhesive layer is in contact with the backing film, the first and second surfaces being opposed to one another; and a molded resin, the backing film being positioned between the molded resin and the thermosetting adhesive layer and in contact with the molded resin, wherein the backing film is nonplanar before molding, wherein the thermosetting adhesive layer is cross-linked before molding, and wherein orientation of the flock before molding is substantially the same as the orientation of the flock after molding. 35. The molded article of claim 34, wherein the backing film has a first composition and the molded resin a second composition, with the first and second compositions being different from one another, and wherein there is no thermoplastic adhesive positioned between the backing film and the flock fibers. 36. The molded article of claim 35, wherein there is no hot melt or binder adhesive positioned between the backing film and the flock. 37. The molded article of claim 34, wherein the plurality of flock fibers are oriented at least substantially perpendicular to an adjacent surface of the permanent thermosetting adhesive layer, wherein the molded article is formed into a three dimensional shape, wherein the backing film has a melting temperature and is selected from the group consisting of polystyrene, polyacrylic, polyvinyl, polyolefin, cellulose, polycarbonate, ABS, polypropylene, polyethylene, polyester, and mixtures and composites thereof, wherein the backing film is not a fabric, wherein a release sheet has opposing first and second sides, wherein the first side of the release sheet is affixed, by an intermediate release adhesive, to the first ends of the flock fibers and the permanent thermosetting adhesive layer is affixed to second ends of the flock fibers, and wherein the second side of the release sheet is configured to contact directly an interior surface of the mold. 38. The molded article of claim 34, wherein the molded article further comprises a second adhesive located between the permanent adhesive layer and the backing film and a barrier film positioned between the flock fibers and the backing film. 39. The molded article of claim 38, wherein the barrier film includes a thermally insulative material. 40. The molded article of claim 34, further comprising a foam backing material or precursor thereof. 41. The molded article of claim 34, wherein the backing film has different melting and softening points than the resin and wherein the backing film is nonplanar. 42. A molded article manufactured by a molding process, the molding process comprising: providing a mold insert, the mold insert comprising: a plurality of flock fibers having opposing first and second ends; and a cured, permanent, thermosetting adhesive layer, a first surface of the thermosetting adhesive layer engaging the second ends of the flock fibers; and a nonplanar shape retaining backing film, wherein the thermosetting adhesive layer is positioned between the flock fibers and the backing film and wherein a second surface of the thermosetting adhesive layer is in contact with the backing film; and positioning the mold insert in a mold; while the mold insert is positioned in the mold, introducing a liquid-phase resin into the mold, the backing film being positioned between the resin and the thermosetting adhesive layer and in contact with the resin, wherein the backing film is nonplanar before the mold insert is positioned in the mold, wherein the thermosetting adhesive layer is cured before the mold insert is positioned in the mold, and wherein an orientation of the flock before the mold insert is contacted with the resin is substantially the same as an orientation of the flock after the resin is contacted with the mold insert. 43. The article of claim 42, wherein the mold insert further comprises: a release sheet in contact with an interior surface of the mold; and a release adhesive positioned between and in contact with the flock fibers and release sheet. 44. The article of claim 42, wherein the first ends of the flock fibers are embedded in the adhesive layer. 45. The article of claim 42, wherein there is neither a hot melt nor binder adhesive positioned between the backing film and flock fibers. 46. The article of claim 42, wherein the backing film retains the nonplanar shape and wherein the nonplanar shape is 3-dimensional and wherein the backing film has melting and softening points.
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