Fabrication process for garments and other fabric products
Fabrication processes are provided for a fabric product that provide a continuous moisture and/or thermal barrier around the fabric product, eliminating moisture and thermal leakage through seams and other stitching perforations, and creating an equal barrier quality throughout the structure of the fabric product. A fabric product is also provided.
1. A process for fabricating a multi-layered fabric product comprising:
(a) providing fabric pattern panels of at least an outer shell fabric, a barrier layer and an adhesive interposed between the outer shell fabric and the barrier layer, the outer shell fabric and the barrier layer provided as separate fabric pattern panels, the barrier layer comprising one of a moisture barrier and an insulation barrier;
(b) aligning each barrier layer fabric pattern panel to a corresponding one or more outer shell fabric pattern panels to form a plurality of composite fabric pattern panels;
(c) fusing each of the composite fabric pattern panels together, leaving an area about a perimeter of each composite fabric pattern panel unfused;
(d) forming at least one seam between the outer shell fabric pattern panels of adjacent composite fabric pattern panels along the area left unfused;
(e) folding one or more of the unfused areas of the barrier layer and the adhesive back so that the one or more unfused areas of the barrier layer and the adhesive overlap;
(f) fusing a plurality of the composite fabric pattern panels of the fabric product together to form a continuous barrier extending across an inner surface of the outer shell fabric and the at least one seam between the outer shell fabric pattern panels.
2. The process of claim 1 , wherein the barrier layer comprises a membrane barrier film.
3. The process of claim 2 , wherein the membrane barrier film comprises a hydrophobic polymer membrane.
4. The process of claim 1 , further comprising fusing all of the composite fabric pattern panels of the fabric product together to form a continuous barrier extending across an inner surface of the outer shell fabric and the at least one seam between the outer shell fabric pattern panels.
5. The process of claim 2 , wherein the membrane barrier film comprises a micro porous structure that allows transport of water vapor across the membrane barrier film while preventing or minimizing transport of liquid water across the membrane barrier film.
6. The process of claim 2 , wherein the membrane barrier film includes activated carbon particles with microporous structures.
7. The process of claim 2 , wherein the membrane barrier film comprises a microporous polytetrafluoroethylene, a nanoporous polytetrafluoroethylene, an expanded PTFE, a polyurethane, a cross-linked polyurethane, a polypropylene, or a polyester.
8. The process of claim 1 , wherein the barrier layer is capable of withstanding a hydrostatic pressure of at least 45 psi including across the at least one seam.
9. The process of claim 1 , wherein the continuous barrier is equally resistant to hydrostatic pressure across the inner surface of the outer shell fabric and the at least one seam.
10. The process of claim 1 , wherein the continuous barrier is equally resistant to at least one of pathogenic microorganisms, blood borne pathogens, viruses, bacteria, liquid chemical agents, and gaseous chemical agents across the inner surface of the outer shell fabric and the at least one seam.
11. The process of claim 1 , wherein the continuous barrier is equally resistant to heat loss across the inner surface of the outer shell fabric and the at least one seam.
12. The process of claim 1 , wherein the barrier layer comprises an insulation material.
13. The process of claim 12 , wherein the insulation material comprises a natural or synthetic filament material.
14. The process of claim 1 , wherein step (c) further includes fusing an inner lining fabric pattern panel with a corresponding one of the plurality of composite fabric pattern panels and step (e) includes folding the inner lining fabric pattern panel back over the seam so that unfused areas overlap.
15. The process of claim 14 , wherein the inner lining fabric comprises a fleece material or a tricot material.
16. The process of claim 14 , wherein the inner lining fabric comprises multiple layers quilted together.
17. The process of claim 14 , wherein the inner lining fabric comprises a polyester, a polyamide, a polyvinylchloride, a polyketone, a polysulfone, a polycarbonate, a fluoropolyrner, a polyacrylate, a polyurethanes, a co-polyetherester, a polypropylene, and a co-polyetheramide.
18. The process of claim 1 , wherein the adhesive comprises a powder adhesive, a web adhesive, a micro dot adhesive, a nano dot adhesive.
19. The process of claim 1 , wherein the outer shell fabric comprises a polyester, a polyamide, a polyvinylchloride, a polyketone, a polysulfone, a polycarbonate, a fluoropolymer, a polyacrylate, a polyurethanes, a co-polyetherester, a polypropylene, and a co-polyetheramide.
20. The process of claim 1 , wherein the outer shell fabric comprises multiple layers quilted together.
21. The process of claim 1 , wherein step (d) comprises sewing or ultrasonically welding the outer shell fabric pattern panels together along the area left unfused.
22. The process of claim 1 , wherein step (f) includes fusing the composite fabric pattern panels together on a three-dimensional pressing machine.
23. The process of claim 1 , wherein step (f) includes fusing the composite fabric pattern panels together on a two-dimensional pressing machine.
24. The process of claim 1 , wherein in step (c), fusing each of the composite fabric pattern panels together with a soft set that allows the layers to be adjusted.
25. The process of claim 1 , wherein in step (c), fusing each of the composite fabric pattern panels together with a hard set that does not allow the layers to be adjusted.
26. The process of claim 1 , wherein in step (e), folding the one or more of the unfused areas of the barrier layer and the adhesive back over the at least one seam.
27. A fabric product made by the process of claim 1 .
28. The fabric product of claim 27 , wherein the fabric product comprises an article of clothing, a portion of an article of clothing, a jacket, a coat, a parka, a raincoat, a cloak, a poncho, a shirt, a blouse, pants, shoes, boots, gloves, a hat, a hood, underwear, an undershirt, briefs, a bra, socks, a diaper, a protective suit for handling of hazardous materials, a protective suit for a firefighter, military personnel, or medical personnel, a blanket, a towel, a sheet, pet bedding, a tent, a sleeping bag, a tarp, a boat cover, carpeting, a rug, a mat, a window covering, and upholstery.
29. A process for fabricating a multi-layered fabric product comprising:
(a) providing fabric pattern panels of at least an outer shell fabric, a barrier layer and an adhesive interposed between the outer shell fabric and the barrier layer, the outer shell fabric and the barrier layer provided as separate fabric pattern panels, the barrier layer comprising one of a moisture barrier and an insulation barrier, the fabric pattern panel of the barrier layer having a configuration corresponding to at least two fabric pattern panels of the outer shell fabric seamed together;
(b) seaming the at least two outer shell fabric pattern panels together along a seam to from a flat outer shell assembly;
(c) aligning the barrier layer fabric pattern panel to the flat outer shell assembly to extend across the seam to form a composite fabric pattern panel;
(d) fusing the composite fabric pattern panel together, leaving an area about a perimeter of the composite fabric pattern panel unfused;
(e) seaming the outer shell assembly to a further outer shell piece;
(f) fusing the fabric product to form a complete fabric product having a continuous barrier extending across an inner surface of the outer shell fabric and at least one seam between the outer shell fabric pattern panels.
30. A process for fabricating a multi-layered fabric process incorporating a moisture barrier layer, comprising:
(a) providing a membrane barrier film comprising a first membrane film having a first melting temperature laminated to a second membrane film having a second melting temperature lower than the first melting temperature, each of the first membrane film and the second membrane film comprising a micro porous structure that allows transport of water vapor across the film while preventing or minimizing transport of liquid water across the film;
(b) providing fabric pattern panels of at least an outer shell fabric, the membrane barrier film, and in inner lining fabric, the outer shell fabric and the barrier layer provided as separate fabric pattern panels, the barrier layer comprising one of a moisture barrier and an insulation barrier,
(c) aligning each membrane barrier film fabric pattern panel to a correspond one or more outer shell fabric pattern panels to form a plurality of composite fabric pattern panels;
(d) fusing each of the composite fabric pattern panels together at a temperature greater than the second melting temperature and less than the first melting temperature, leaving an area about a perimeter of each composite fabric pattern panel unfused;
(e) seaming the outer shell fabric pattern panels together along the area left unfused;
(f) folding the membrane barrier film and the inner lining fabric back over the seam so that the unfused areas of the membrane barrier film and the inner lining fabric overlap;
(g) fusing all of the composite fabric pattern panels together to form a complete fabric product having a continuous seamless barrier extending across an inner surface of the outer shell fabric and at least one seam between the outer shell fabric pattern panels.