Cold insulating insole

Details Cold insulating insole Cold insulating insole

1976-12-02

1977-10-25

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

428 80, 428213, 428313, 428315, 36 44, B32B 326

Patent

active

040556999

ABSTRACT:
A multi-layer insole for disposition in an article of footwear to insulate the foot from the cold developed in the sole and sock lining, if any, of the footwear from walking on a cold surface, the insole being sufficiently thin to fit in the footwear satisfactorily to the user without requiring any extra size of shoe, boot or the like and being highly effective in maintaining the foot warm in cold weather.

REFERENCES:
patent: 2641068 (1953-06-01), Thompson
patent: 2917844 (1959-12-01), Scholl
patent: 3152950 (1964-10-01), Palmquist et al.
patent: 3328225 (1967-06-01), Urbanic et al.
patent: 3736109 (1956-02-01), Scholl
patent: 3741844 (1973-06-01), Schwartz
patent: 3812225 (1974-05-01), Hosoda et al.
patent: 3833259 (1974-09-01), Pershing
patent: 3954537 (1976-05-01), Alfter et al.

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