Plastic and nonmetallic article shaping or treating: processes – Vacuum treatment of work – To degas or prevent gas entrapment
Patent
1990-10-10
1991-12-31
Theisen, Mary Lynn
Plastic and nonmetallic article shaping or treating: processes
Vacuum treatment of work
To degas or prevent gas entrapment
264112, 428 69, 428 76, B32B 1702
Patent
active
050769847
ABSTRACT:
A method for fabricating evacuated panels for use in cooling apparatus, such panels being particularly well suited for use in refrigerators. The method includes a preconditioning step in which the powder filler of the panel is heated and agitated, prior to placement in an air permeable pouch for compression and then in a barrier container for evacuation.
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Bisplinghoff Ross L.
Castoldi Robert J.
Pescatore Peter F.
Schregardus Thomas P.
Clark William R.
Raytheon Company
Sharkansky Richard M.
Theisen Mary Lynn
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