Speaker front sheet

Details Speaker front sheet Speaker front sheet

1991-10-25

1993-07-20

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

428196, 428261, 428343, 428354, B32B 310, B32B 714, B32B 2302

Patent

active

052291855

ABSTRACT:
A speaker front sheet capable of providing a sound outlet structure well matched in finishing with a cabinet of an apparatus equipped with a speaker is disclosed, wherein a plain gauze fabric is bonded on the front surface of a perforated sheet having a porosity greater than 30% and an adhesive layer is applied to the back surface of the perforated sheet.

REFERENCES:
patent: 3819467 (1974-06-01), Kovac
patent: 3999949 (1976-12-01), Andersson et al.
patent: 4264659 (1981-04-01), Pattenden
patent: 4726976 (1988-02-01), Karami et al.
patent: 4803111 (1989-02-01), Mansell

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