Headphone cushioning

Details Headphone cushioning Headphone cushioning

1987-02-11

1989-08-15

Feldbaum, Ronald

Apparel

Head coverings

Convertible

381183, 181129, A42B 106

Patent

active

048561185

ABSTRACT:
A headphone cushion comprises two concentric rings of nonliquid gelatin-like silicone on a layer of soft, slow recovery foam enclosed in a thin stretchable layer of polyurethane skin.

REFERENCES:
patent: 2989598 (1961-06-01), Touger et al.
patent: 3051961 (1962-09-01), Clark
patent: 3052887 (1962-09-01), Sockel et al.
patent: 3073410 (1963-01-01), Gongoll
patent: 3391407 (1968-07-01), Waters
patent: 3862451 (1975-01-01), Miller et al.
patent: 3908200 (1975-09-01), Lundin
patent: 4456642 (1984-06-01), Burgdorfer et al.
patent: 4572323 (1986-02-01), Randall
patent: 4674134 (1987-06-01), Lundin

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