B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/12 (2006.01) A41B 17/00 (2006.01) A41D 31/02 (2006.01) A61F 13/15 (2006.01) B32B 27/40 (2006.01)
Patent
CA 2289313
A launderable and reusable, leak-proof, breathable fabric and, more specifically, a composite fabric comprised of a liquid absorptive layer and a liquid impervious but vapour permeable layer. Such fabric is useful in drawing fluids, such as bodily fluids, away from a source, such as the body, and retaining them within the absorptive layer while evaporation thereof takes place though the vapour permeable layer. This material consists of two juxtaposed layers. The inner layer has the characteristic of being liquid permeable so as to allow the body fluids to flow into it and be absorbed. The outer layer has the characteristic of being liquid impermeable but air or vapour permeable, so that the liquid absorbed in the inner layer does not strike through the outer layer. Because the body fluids can flow into the inner layer, the wearer does not experience a clammy feeling from the material next to the skin. The breathability of the outer layer also reduces wet feeling and will in fact allow some evaporation of liquid collected in the inner layer. The material provides the functions of absorbing or drawing minor quantities of bodily fluids away from the wearer yet is sufficiently thin and comfortable to be inconspicuous. In addition, the resulting fabric material is capable of being laundered, is stain resistant, and substantially retains its other properties after numerous cycles of use and washing. In general, the material comprises an absorbent acetate/nylon fabric to which is laminated or adhered a liquid imperviousness but vapour permeable microporous polyurethane film, to result in an substantially integral fabric material from which articles can be manufactured which can take advantage of the material's absorbent, launderable/reusable, leak-proof and breathable nature.
Filteau Martin
Nantel Rene
Shao Yun
Filteau Martin
Macrae & Co.
Nantel Rene
Shao Yun
Tri-Sis Inc.
LandOfFree
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