Method for manufacturing inflatable bladders for use in footwear and other articles of manufacture
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-037/26
B32B-038/04
B29C-065/76
출원번호
US-0903129
(2010-10-12)
등록번호
US-8572786
(2013-11-05)
발명자
/ 주소
Davis, Paul M.
Millette, Frank
Litchfield, Paul E.
출원인 / 주소
Reebok International Limited
대리인 / 주소
Sterne, Kessler, Goldstein & Fox P.L.L.C.
인용정보
피인용 횟수 :
11인용 특허 :
204
초록▼
The present invention is a method for manufacturing inflatable bladders for use in articles of manufacture. The method includes the steps of providing a first polymer film, applying a curable release coating to the polymer film in a pattern that corresponds to the configuration of the inflatable bla
The present invention is a method for manufacturing inflatable bladders for use in articles of manufacture. The method includes the steps of providing a first polymer film, applying a curable release coating to the polymer film in a pattern that corresponds to the configuration of the inflatable bladder, curing the release coating to the first polymer film, providing a second polymer film with the first polymer film to form a layered element such that the release coating is disposed between the polymer films, positioning the layered element between two plies of material, applying heat and pressure to adhere the polymer films together except in the area where the release coating has been applied to form an inflatable compartment surrounded by a sealed perimeter, and removing the plies of material from the adhered first and second polymer films.
대표청구항▼
1. A method for manufacturing an inflatable article, comprising the steps of: (a) providing a first polymer film having an inner side and an outer side;(b) applying a curable release coating to said inner side of said first polymer film in a pattern that corresponds to the configuration of an inflat
1. A method for manufacturing an inflatable article, comprising the steps of: (a) providing a first polymer film having an inner side and an outer side;(b) applying a curable release coating to said inner side of said first polymer film in a pattern that corresponds to the configuration of an inflatable compartment of an inflatable bladder;(c) curing said release coating to said inner side of said first polymer film by the application of ultra violet light;(d) providing a second polymer film having an inner side and an outer side with said first polymer film to form a layered element, such that said release coating is disposed between said inner side of said first polymer film and said inner side of said second polymer film;(e) positioning said layered element between a first ply of material and a second ply of material;(f) applying heat and pressure to said first and second plies of material positioned about said layered element, to adhere said first polymer film to said second polymer film except in the area where said release coating has been applied to said inner side of said first polymer film to form an inflatable compartment surrounded by a sealed perimeter; and(g) removing said first and second plies of material from said adhered first and second polymer films. 2. The method of claim 1, wherein said curable release coating is silicone fortified. 3. The method of claim 2, wherein said curable release coating is applied to said inner side of said first polymer film by screen printing. 4. The method of claim 1, wherein said first and second plies of material are polytetrafluoroethylene-coated, fiberglass-reinforced cloths. 5. The method of claim 1, wherein at least one of said first and second plies of material is textured. 6. The method of claim 1, wherein said applying heat and pressure step is accomplished by rotary lamination. 7. The method of claim 1 further comprising the step of coupling an inflation device and a deflation device to said inflatable bladder. 8. The method of claim 1, wherein one of said first or second polymer films is a laminate comprised of a polymer layer and a substrate. 9. The method of claim 1, further comprising the steps of: (h) cutting along said sealed perimeter to form an inflatable bladder having a sealed attachment margin; and(i) incorporating said inflatable bladder into an article of footwear by attaching said inflatable bladder to said article of footwear at said attachment margin. 10. A method for manufacturing an inflatable bladder, comprising the steps of: (a) positioning a barrier material between a first film and a second film in a configuration that corresponds to the shape of an inflatable compartment of the inflatable bladder;(b) positioning said first and second films, with said barrier material positioned thereinbetween, between a first ply of material and a second ply of material;(c) adhering said first film to said second film, except in the vicinity of said barrier material, to form said inflatable bladder having said inflatable compartment surrounded by a sealed, continuously substantially flat perimeter; and(d) removing said first and second plies of material from the inflatable bladder. 11. The method of claim 10, wherein the barrier material is a paint, ink, paper, textile, photosensitive agent, wire, foil, or particulate. 12. The method of claim 10 further comprising the step of incorporating the inflatable bladder into an article of footwear by securing the inflatable bladder to said article of footwear at said perimeter of the inflatable bladder. 13. The method of claim 10, wherein said barrier material is a curable release coating and wherein the step of positioning the barrier material between the first film and the second film includes the substeps of applying said release coating to said first film, curing said release coating to said first film, and sandwiching said cured release coating between the first and second films. 14. The method of claim 13, wherein said release coating is applied to said first film using a screen, template, or stencil. 15. The method of claim 13, wherein said release coating is cured by the application of ultra violet light. 16. The method of claim 10, wherein said first and second plies of material are polytetrafluoroethylene-coated, fiberglass-reinforced cloths. 17. The method of claim 10, wherein at least one of said first and second plies of material is textured. 18. The method of claim 10, wherein said adhering step is accomplished by rotary lamination, by heated pressing between platens, or by application of vacuum and heat. 19. The method of claim 10 further comprising the step of coupling an inflation device and a deflation device to the inflatable bladder. 20. The method of claim 10, wherein one of said first or second films is a laminate comprised of a polymer layer and a substrate. 21. The method of claim 10, wherein the barrier material includes at least two release coatings and wherein the step of positioning the barrier material between the first film and the second film includes the substeps of applying a first release coating to the first film, applying a second release coating to the second film, curing at least one of said release coatings, and sandwiching the release coatings between the first and second films. 22. The method of claim 21, wherein the release coating applied to the second film is a discontinuous coating.
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