Acoustical cabinet grille frame

Details Acoustical cabinet grille frame Acoustical cabinet grille frame

1996-11-14

1998-02-10

Dang, Khanh

Acoustics

Diaphragm and enclosure

Recessed

181199, H05K 500

Patent

active

057171718

ABSTRACT:
The present invention reveals a unitary or one-piece acoustical cabinet grille frame and a method for making the one-piece grille frame. In the unitary acoustical cabinet grille frame a sound-transmissible fabric is integrally bonded or fused to serrations in a slot within the shaped plastic face. In the method for manufacturing the one-piece acoustical cabinet grille frame, a sound-transmissible fabric is placed over a shaped plastic face. A heated fusion blade having the configuration of the slot is placed over the sound-transmissible fabric. The fabric is forced into contact with the plastic serrations in the slot and the plastic serrations are plasticated or melted. The sound-transmissible fabric is then fused with the plastic. Finally, the heated fusion blade is removed from the slot and the plastic is allowed to cool.

REFERENCES:
patent: 4244096 (1981-01-01), Kashichi
patent: 4325455 (1982-04-01), Kirkpatrick
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patent: 4934480 (1990-06-01), Gate et al.
patent: 4936410 (1990-06-01), Howell
patent: 4974698 (1990-12-01), Smith
patent: 5113968 (1992-05-01), Lemmon
patent: 5322979 (1994-06-01), Cassity et al.
patent: 5412162 (1995-05-01), Kindel

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