Disposable shoe insole and method for making the same

Details Disposable shoe insole and method for making the same Disposable shoe insole and method for making the same

1992-09-15

1995-02-28

Sewell, Paul T.

Boots, shoes, and leggings

Insoles

36 3B, 12142R, A43B 1338, A43B 900

Patent

active

053925335

ABSTRACT:
The insole contains an absorbent layer (1) which is arranged on a stabilization layer (2). The stabilization layer (2) is made of a fibrous and sealable material, the fibers running predominantly in the longitudinal direction of the insole. On the absorbent layer (1), there is a covering layer (10) which is likewise made of a sealable material. Depressions (20) are provided, the side walls (15) of which are formed by continuations (111, 112) of the material (11, 12) of the covering layer (10). The edges (13) of these side walls (15) are connected rigidly to the stabilization layer (2) so that, between the neighboring depressions (20), there are bridges (25) made from the material of the covering layer (10), which reinforce that section (18) of the stabilization layer (2) lying below.
With the given and minimal thickness, the insole is remarkably rigid and durable.

REFERENCES:
patent: 2313892 (1943-03-01), Russell
patent: 2917842 (1959-12-01), Scholl
patent: 3418732 (1968-12-01), Marshack
patent: 4062131 (1977-12-01), Hsiung
patent: 4099342 (1978-07-01), Singh
patent: 4192086 (1980-03-01), Sichak
patent: 4257176 (1981-03-01), Hartung et al.
patent: 4461099 (1984-03-01), Bailly
patent: 4464850 (1984-08-01), Ebert et al.
patent: 4524529 (1985-06-01), Schaefer
patent: 4689899 (1987-09-01), Larson et al.
patent: 4864740 (1989-09-01), Oakley
patent: 4926570 (1990-05-01), Fohst et al.

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