Process for producing an aural communications receiving device

Details Process for producing an aural communications receiving device Process for producing an aural communications receiving device

1973-07-25

1978-05-23

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

With step of making mold or mold shaping, per se

Utilizing surface to be reproduced as an impression pattern

264250, 264275, 264276, B29D 302, B29D 3100

Patent

active

040910679

ABSTRACT:
A process for making an aural communications receiving device of formed-in-place elastomeric composition constructed especially to provide a smooth, tight seal over the mouth of the ear canal when stretched and including a formed-in-place sound transmitting passageway acoustically coupled to an integral connecting means for securing a communications component or to an embedded speaker at an outwardly presented surface.

REFERENCES:
patent: 2691192 (1954-10-01), Bent
patent: 2910980 (1959-11-01), Stewart
patent: 3097059 (1963-07-01), Hoffman
patent: 3440314 (1969-04-01), Frisch
patent: 3513269 (1970-05-01), Wilson
patent: 3518338 (1970-06-01), Tambussi
patent: 3666852 (1972-05-01), Burke

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