Method for manufacturing a diaphragm of a speaker

Details Method for manufacturing a diaphragm of a speaker Method for manufacturing a diaphragm of a speaker

1995-03-20

1997-05-27

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

With twining, plying, braiding, or textile fabric formation

264137, 264161, 264257, 264291, 264324, B29C 7002, B29C 7046

Patent

active

056329431

ABSTRACT:
A method of manufacturing a diaphragm of a speaker includes the steps of: 1. weaving a plurality of fibers to become a fiber sheet; 2. immersing the fiber sheet in resins; 3. spraying or inserting an enforcement material to the fiber sheet to form a combination sheet; 4. rolling the combination sheet into a flat pattern and therefore creating a tension therein; 5. drying the combination sheet, 6. putting said combination sheet into a mold and applying a high temperature thereto under a high pressure to form a cup-like configuration and 7. cutting the combination sheet into a desired configuration.

REFERENCES:
patent: 4919859 (1990-04-01), Suda
patent: 5047191 (1991-09-01), Baitcher et al.
patent: 5330695 (1994-07-01), Seeler

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