Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1997-07-17
1999-03-30
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
264249, 264257, 264259, 264263, 264267, 2642711, 264273, 264274, B29C 6504, B29C 6544, B29B 1302
Patent
active
058884394
ABSTRACT:
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.
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Miller Gregory L.
Zick John P.
Gray Robin S.
Silbaugh Jan H.
The Solar Corporation
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