Method of making elastomeric shoe soles

Details Method of making elastomeric shoe soles Method of making elastomeric shoe soles

1984-11-30

1987-04-14

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

36 29, 264 464, 264 466, 264244, 264310, 264DIG83, B29C 6722, B29C 4106, B29C 4120

Patent

active

046577165

ABSTRACT:
A shoe sole of elastomeric material is formed with at least one pressurized gas cell at least one wall of which is defined by a layer in which a substantially inextensible reinforcement is embedded to prevent bulging. The cell envelope can be formed by rotational casting of a liquid material within a cavity of a wear layer to simultaneously penetrate the reinforcing layer.

REFERENCES:
patent: 2256329 (1941-09-01), Szerenyi et al.
patent: 2477899 (1949-08-01), Rempel
patent: 2918703 (1959-12-01), Beal
patent: 3002230 (1961-10-01), Stewart
patent: 3021572 (1962-02-01), Smith, Jr.
patent: 3668056 (1972-06-01), Hayes, Jr.
patent: 3981955 (1976-09-01), Otani et al.

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