Primary processing of laminated thermoplastic sheets

Details Primary processing of laminated thermoplastic sheets Primary processing of laminated thermoplastic sheets

1991-04-12

1994-08-09

Pianalto, Bernard

Coating processes

With post-treatment of coating or coating material

Heating or drying

427316, 427318, 4273855, 4273881, 4273898, 4273935, 4273981, B05D 132

Patent

active

053365267

ABSTRACT:
In an on-line annealing process for rigid laminated sheets of reinforced thermoplastic material wherein an annealing chamber is maintained at a desired temperature by introducing heated air to impinge on a deflection plate within the annealing chamber, annealing of the thermoplastic sheets is improved by introducing heated air through a pair of elongated perforated tubes within the annealing chamber so that heated air is diffused so as to flow evenly across both sides of the rigid thermoplastic sheet as the sheet passes through the annealing chamber.

REFERENCES:
patent: 2220096 (1940-11-01), Greene
patent: 2224945 (1940-12-01), Ames
patent: 3752643 (1973-08-01), Robertson
patent: 4628895 (1986-12-01), Sautilli

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