Speaker diaphragm

Details Speaker diaphragm Speaker diaphragm

1988-11-28

1991-07-16

Brown, Brian W.

Acoustics

Diaphragm

Critically defined material or coating

428260, 428265, 428272, G10K 1300, H04R 700

Patent

active

050317202

ABSTRACT:
A speaker diaphragm is formed by heat-pressurized molding a composite structure of fabric cloth and resin sank into the fabric cloth. The fabric cloth is woven from high strength and high elasticity polyethylene fiber which has at least tensile modulus of 4,500 kg/mm.sup.2 (500 g/d).

REFERENCES:
patent: 1393515 (1921-10-01), Egerton
patent: 4291781 (1981-09-01), Niguchi et al.
patent: 4562899 (1986-01-01), Nakamura
"Dyneema SK60" High Strength/High Modulus Fiber Properties and Applications (1987).

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