Heat-venting insulating article

Details Heat-venting insulating article Heat-venting insulating article

1992-03-18

1993-01-26

Trettel, Michael F.

Beds

Bedclothing

5486, 5502, 5421, 236 93R, A47C 902

Patent

active

051812878

ABSTRACT:
A heat-venting insulating article such as a garment, quilt, blanket, or the like, has an intermediate heat-insulating layer provided with a plurality of through holes. Inserted into each hole is a heat-venting ring capable of opening or closing in response to rising or falling temperatures within the insulating article so as to retain heat or to let excessive heat escape.

REFERENCES:
patent: 2673687 (1954-03-01), Alban et al.
patent: 2763433 (1956-09-01), Hill
patent: 2808596 (1957-10-01), Schreiner
patent: 3696450 (1972-10-01), Dupler
patent: 4270227 (1981-06-01), Wolfe
patent: 4509499 (1985-04-01), Hebert
patent: 4576087 (1986-03-01), Wolfe

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