Process for producing thermoplastic resin sheet and the like...

Details Process for producing thermoplastic resin sheet and the like... Process for producing thermoplastic resin sheet and the like...

B - Operations, Transporting

29

C

18/749

B29C 47/10 (2006.01) B29C 47/50 (2006.01) B29C 47/60 (2006.01) B29C 47/88 (2006.01) B29C 47/92 (2006.01)

Patent

CA 1318759

ABSTRACT OF THE DISCLOSURE This invention relates to a process of producing a thermoplastic resin sheet and the like and a an equipment. The equipment includes a first extruder of a high kneading type, a second extruder of a low kneading type and an extrusion die. A film-shaped resin extruded from the extrusion die is cooled by a cooling device, to thereby obtain the resin sheet and the like. Furthermore, a difference between pressures at the outlets of the first and second extruders is detected, and, in response to this difference between the pressures thus detected, the operating conditions of the first extruder are automatically controlled.

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