Acoustic vibrator member and method of manufacturing

Details Acoustic vibrator member and method of manufacturing Acoustic vibrator member and method of manufacturing

1988-09-23

1990-11-06

Ryan, Patrick

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428206, 428215, 428323, 428324, 428515, 428516, 428332, 428337, 428339, 156 60, B32B 302

Patent

active

049685511

ABSTRACT:
An acoustic vibrator member includes a substrate sheet made of propylene resin with solid microparticles dispersed therein and a film made of propylene resin laminated on the substrate sheet. The film carries a printed visible pattern. The vibrator member is freely colorable while retaining suitable physical properties.

REFERENCES:
patent: 3983285 (1976-09-01), Riboulet et al.
patent: 4412103 (1983-10-01), Fujii et al.
patent: 4532099 (1985-07-01), Kaji

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