Process of producing thermoplastic sheet and the like and...

Details Process of producing thermoplastic sheet and the like and... Process of producing thermoplastic sheet and the like and...

B - Operations, Transporting

29

C

18/733

B29C 47/60 (2006.01) B29C 47/88 (2006.01)

Patent

CA 1304209

ABSTRACT OF THE DISCLOSURE This invention relates to a process of producing sheet and the like from thermoplastic resin and a screw used therefor. The resin extruder includes a cylinder and the screw. The resin is passed through a feeding section, a compressing section, a metering section, a mixing section, a shearing section and a stress relaxing section, which are successively positioned from a resin feeding side to a resin extruding side, and a molten film-shaped resin is extruded, and this film-shaped resin is passed in the flowing direction of cooling water to be cooled.

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