Loudspeaker padring and method of making the same

Details Loudspeaker padring and method of making the same Loudspeaker padring and method of making the same

1978-10-12

1980-03-04

Stellar, George G.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

1791155R, 181171, H04R 100, H04R 902

Patent

active

041918657

ABSTRACT:
A padring for a loudspeaker is formed of a hot melt type material. The padring is easily attached to the housing by applying heat and also serves as a means of attaching a screen to the speaker. In the method of forming the padring, the hot melt type material is extruded into a continuous flat sheet and the padrings are cut from the sheet. Any scrap formed when the padrings are cut from the sheet can be recycled to the extruder reservoir since the hot melt material exhibits little thermal degradation. Consequently, the method of manufacturing the padring of the invention is a scrapless method.

REFERENCES:
patent: 2829728 (1958-04-01), Brown
patent: 3404053 (1968-10-01), Tokuma et al.
patent: 3603427 (1971-09-01), Sotome et al.
patent: 3778562 (1973-12-01), Wright
patent: 3801406 (1974-04-01), Debenedetti
patent: 3892289 (1975-07-01), Rollins
patent: 4145465 (1979-03-01), Sanderson et al.

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