Method for manufacturing loudspeaker diaphragm

Details Method for manufacturing loudspeaker diaphragm Method for manufacturing loudspeaker diaphragm

1986-07-30

1991-09-10

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Stratified or layered articles

264510, 264252, 264257, 264303, B29C 6700

Patent

active

050471910

ABSTRACT:
A felted paper loudspeaker diaphragm in which the felted paper of the annular supporting flange is thinner, and of lesser density and higher compliance then the cone body. The supporting flange is permeated with a high compliance elastomer which provides most of the tensile strength of the supporting flange.

REFERENCES:
patent: 1872583 (1932-08-01), Hawley
patent: 2302178 (1942-11-01), Brennan
patent: 2605855 (1952-08-01), Lenz
patent: 3408438 (1968-10-01), Staunton
patent: 3807146 (1974-04-01), Witkowski

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