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Composite insulation material

  • US 4,685,155 A
  • Filed: 03/08/1985
  • Issued: 08/11/1987
  • Est. Priority Date: 02/12/1982
  • Status: Expired due to Fees
First Claim
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1. A heat insulating garment and the like for heat retention, comprising:

  • an outer fabric shell adapted to be disposed to cover a portion of the body of a wearer;

    a composite interlining sheet material for said fabric shell, said composite interlining sheet material including (i) a substantially continuous internal layer of porous material having a low heat conductivity and high resiliency, said internal layer being of a substantially uniform thickness and consistency and having a composition and thickness such that it is supple and drapable, and said internal layer having first and second surfaces, and (ii) a flexible sheet of liquid impermeable material having a first surface and a second surface, said flexible sheet having a plurality of capillary openings extending therethrough, each of said openings having a base open to said first surface of said flexible sheet and lying substantially in the plane of said flexible sheet, and an apex extending away from said second surface of said flexible sheet and remote from the plane of said flexible sheet, said openings being of a character so as to inhibit the flow of fluids through said openings, and said flexible sheet being adhered to said internal layer so that said first surface of said flexible sheet faces said first surface of said internal layer and said second surface of said flexible sheet faces away from said internal layer so that said apexes of said openings are remote from said first surface of said internal layer; and

    said composite interlining sheet material being disposed in fixed relation to said outer fabric shell.

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