Stamped cushioning piece in the form of an insole or of an inser

Details Stamped cushioning piece in the form of an insole or of an inser Stamped cushioning piece in the form of an insole or of an inser

1984-02-22

1987-06-23

Schroeder, Werner H.

Boots, shoes, and leggings

Insoles

Laminated

36 30R, A43B 1338

Patent

active

046742050

ABSTRACT:
Described herein is a stamped cushioning piece of a two-layered latex foam, produced with paddings in various places from a latex foam of greater specific weight. First, a layer of latex foam of slight specific weight is applied to a textile carrying sheet. Into this, depressions are stamped, whereupon a second layer of latex foam, preferably of a high specific weight, is applied. Manufacture occurs continuously on so-called large-scale machines, and the pieces are stamped out of the sheet.

REFERENCES:
patent: 2760281 (1956-08-01), Cosin
patent: 2865046 (1958-12-01), Bird
patent: 2928193 (1960-03-01), Kristan
patent: 3301741 (1967-01-01), Henrickson
patent: 3416245 (1968-12-01), Ferreira
patent: 3591882 (1971-07-01), Pearsall
patent: 3730169 (1973-05-01), Fiber
patent: 4054706 (1977-10-01), Shapiro
patent: 4055699 (1977-10-01), Hsiung
patent: 4130948 (1978-12-01), Krug
patent: 4167824 (1979-09-01), Wolpa
patent: 4240214 (1980-12-01), Sigle et al.
patent: 4273820 (1981-06-01), Swietzer
patent: 4454187 (1984-06-01), Flowers et al.

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