Shoe insert and laminating method

Details Shoe insert and laminating method Shoe insert and laminating method

1986-09-23

1989-04-25

Meyers, Steven N.

Boots, shoes, and leggings

Insoles

36 44, A43B 1338

Patent

active

048234834

ABSTRACT:
A shoe insert and a laminating methods are provided. A first layer of cellular thermoplastic foam and a second layer of cellular thermoplastic foam are laminated together in facing relation to form a unitary insert by the application of heat and pressure after each of the layers had been previously formed as a separate unit.

REFERENCES:
patent: 3233348 (1966-02-01), Gilkerson
patent: 4054706 (1977-10-01), Shapiro
patent: 4062131 (1977-12-01), Hsiung
patent: 4187621 (1980-02-01), Cohen
patent: 4296053 (1981-10-01), Doerer et al.
patent: 4461099 (1984-07-01), Bailly
patent: 4541186 (1985-09-01), Muvihill
patent: 4586273 (1986-05-01), Chapnick
patent: 4668729 (1987-05-01), Kataoka
patent: 4674204 (1987-06-01), Sullivan et al.
patent: 4674205 (1987-06-01), Anger

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