Patterned thermal liner for protective garments
Disclosed are thermal liners for protective garments and protective garments that comprise thermal liners. In one embodiment, a thermal liner comprises an insulation layer comprising a batt of entangled flame resistant fibers, the insulation layer having a three-dimensional pattern that defines a plurality of closed-cell air pockets that are configured to trap air to insulate a wearer of the thermal liner, the insulation layer being shaped and configured for inclusion in the protective garment and for donning by the wearer.
1. A thermal liner for use in a protective garment, the liner comprising:
an insulation layer comprising a batt of entangled flame resistant fibers, the batt having a three-dimensional pattern that defines a plurality of closed-cell air pockets that are configured to trap air to insulate a wearer of the thermal liner, the insulation layer being shaped and configured for inclusion in the protective garment and for donning by the wearer.
2. The thermal liner of claim 1 , wherein the batt comprises at least one of aramid, melamine, FR rayon, modacrylic, and carbon fibers.
3. The thermal liner of claim 1 , wherein the closed-cell air pockets are formed on an inner side of the insulation layer adapted to face the wearer.
4. The thermal liner of claim 1 , wherein the closed-cell air pockets are defined by boundary walls.
5. The thermal liner of claim 1 , wherein the closed-cell air pockets comprise repeated geometric shapes.
6. The thermal liner of claim 5 , wherein the repeated geometric shapes comprise at least one of honeycombs, circles, and triangles.
7. The thermal liner of claim 1 , wherein the closed-cell air pockets have transverse dimensions within the range of about 1/16 inches to about ½ inches and depth dimensions within the range of about ⅛ inches to about 5/16 inches.
8. The thermal liner of claim 1 , wherein the insulation layer has a weight in the range of about 0.75 ounces per square yard to about 8 ounces per square yard.
9. The thermal liner of claim 1 , wherein the insulation layer has a weight in the range of about 1.5 ounces per square yard to about 2.7 ounces per square yard.
10. The thermal liner of claim 1 , comprising multiple insulation layers, each insulation layer comprising a batt of entangled flame resistant fibers and having a three-dimensional pattern that defines a plurality of closed-cell air pockets that are configured to trap air to insulate the wearer of the thermal liner.
11. The thermal liner of claim 1 , further comprising a facecloth layer that is attached to the insulation layer, the facecloth layer comprising a plurality of flame resistant fibers.
12. The thermal liner of claim 11 , wherein the facecloth layer is attached to an inner side of the insulation layer such that the closed-cell air pockets of the insulation layer face the facecloth layer.
13. The thermal liner of claim 11 , wherein the facecloth layer comprises at least one of aramid, melamine, FR rayon, modacrylic, and carbon fibers.
14. The thermal liner of claim 11 , wherein the facecloth layer comprises a hydrophilic finish.
15. A thermal liner for use in a protective garment, the liner comprising:
an insulation layer comprising a batt of entangled flame resistant fibers, the batt having a three-dimensional geometric pattern provided on an inner side of the insulation layer that forms a plurality of closed-cell air pockets that are defined by boundary walls and that are configured to trap air to insulate a wearer of the thermal liner; and
a facecloth layer that is attached to the inner side of the insulation layer, the facecloth layer comprising a plurality of flame resistant fibers;
wherein the thermal liner is shaped and configured for inclusion in the protective garment and for donning by the wearer.
16. The thermal liner of claim 15 , wherein the batt comprises at least one of aramid, melamine, FR rayon, modacrylic, and carbon fibers.
17. The thermal liner of claim 15 , wherein the closed-cell air pockets have geometric shapes that comprise at least one of honeycombs, circles, and triangles.
18. The thermal liner of claim 15 , wherein the closed-cell air pockets have transverse dimensions within the range of about 1/16 inches to about ½ inches and depth dimensions within the range of about ⅛ inches to about 5/16 inches.
19. The thermal liner of claim 15 , wherein the insulation layer has a weight in the range of about 0.75 ounces per square yard to about 8 ounces per square yard.
20. The thermal liner of claim 15 , wherein the insulation layer has a weight in the range of about 1.5 ounces per square yard to about 2.7 ounces per square yard.
21. The thermal liner of claim 15 , comprising multiple insulation layers, each insulation layer comprising a batt of entangled flame resistant fibers and a three-dimensional pattern that defines a plurality of closed-cell air pockets that are configured to trap air to insulate the wearer of the thermal liner.
22. The thermal liner of claim 15 , wherein the facecloth layer comprises at least one of aramid, melamine, FR rayon, modacrylic, and carbon fibers.
23. The thermal liner of claim 15 , wherein the facecloth layer comprises a hydrophilic finish.
24. A protective garment, comprising:
an outer shell formed of a flame and abrasion resistant material;
a moisture barrier formed of a flame resistant material; and
a thermal liner including an insulation layer comprising a batt of entangled flame resistant fibers, the batt having a three-dimensional pattern provided on an inner side of the insulation layer that forms a plurality of closed-cell air pockets that are configured to trap air to insulate a wearer of the protective garment.
25. The protective garment of claim 24 , wherein the insulation layer batt comprises at least one of aramid, melamine, FR rayon, modacrylic, and carbon fibers.
26. The protective garment of claim 24 , wherein the closed-cell air pockets of the insulation layer comprise repeated geometric shapes.
27. The protective garment of claim 26 , wherein the repeated geometric shapes comprise at least one of honeycombs, circles, and triangles.
28. The protective garment of claim 24 , wherein the closed-cell air pockets of the insulation layer have transverse dimensions within the range of about 1/16 inches to about ½ inches and depth dimensions within the range of about ⅛ inches to about 5/16inches.
29. The protective garment of claim 24 , wherein the insulation layer has a weight in the range of about 0.75 ounces per square yard to about 8 ounces per square yard.
30. The protective garment of claim 24 , wherein the insulation layer has a weight in the range of about 1.5 ounces per square yard to about 2.7 ounces per square yard.
31. The protective garment of claim 24 , wherein the insulation layer comprises a facecloth layer that is attached to the inner side of the insulation layer, the facecloth layer comprising a plurality of flame resistant fibers.
32. The protective garment of claim 31 , wherein the facecloth layer comprises at least one of aramid, melamine, FR rayon, modacrylic, and carbon fibers.
33. A thermal liner comprising:
an insulation layer comprising a batt of entangled flame resistant fibers, the batt having a three-dimensional pattern that is physically imprinted into the batt, the three-dimensional pattern defining a plurality of closed-cell air pockets that are configured to trap air to insulate a wearer of the thermal liner.
34. The thermal liner of claim 33 , wherein the three-dimensional pattern is physically imprinted into the batt through a hydroentanglement process.
35. The thermal liner of claim 33 , wherein the batt comprises one or more of aramid, melamine, FR rayon, modacrylic, and carbon fibers.
36. The thermal liner of claim 33 , wherein the closed-cell air pockets are defined by boundary walls that separate each air pocket from adjacent air pockets.
37. The thermal liner of claim 33 , wherein the closed-cell air pockets comprise repeated geometric shapes.
38. The thermal liner of claim 37 , wherein the repeated geometric shapes comprise one or more of honeycombs, circles, and triangles.
39. The thermal liner of claim 33 , wherein the closed-cell air pockets have transverse dimensions within the range of about 1/16 inches to about ½ inches and depth dimensions within the range of about ⅛ inches to about 5/16 inches.
40. The thermal liner of claim 33 , wherein the insulation layer has a weight in the range of about 1.5 ounces per square yard to about 2.7 ounces per square yard.
41. The thermal liner of claim 33 , further comprising a facecloth layer that is attached to the insulation layer, the facecloth layer comprising a plurality of flame resistant fibers.
42. The thermal liner of claim 33 , wherein the facecloth layer is attached to an inner side of the insulation layer such that the closed-cell air pockets of the insulation layer face the facecloth layer.
43. The thermal liner of claim 42 , wherein the facecloth layer comprises a hydrophilic finish.