Production of stamped plastic sheet

Details Production of stamped plastic sheet Production of stamped plastic sheet

1982-04-19

1985-02-12

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Of varying cross-sectional area or with intermittent...

264 28, 264 461, 2642103, 2642104, 2642105, 264286, 2642893, 425369, B29C 1702

Patent

active

044990405

ABSTRACT:
A stamped plastic sheet manufacturing method includes immersing a molten extruded thermoplastic sheet into a liquid refrigerant just prior to passing through a pair of stamping rolls having tooth-like or vane-like projections. In this manner, a skin layer is formed on the surface of the molten plastic sheet prior to stamping. Upon stamping, the sheet is tensioned by the confronting crests of the above tooth-like or vane-like projections and then removed from the liquid refrigerant after the interior of the sheet has been hardened to form a stamped sheet having a substantially uniform thickness.

REFERENCES:
patent: 3038205 (1962-06-01), Plummer
patent: 3104937 (1963-09-01), Wyckoff et al.
patent: 3233029 (1966-02-01), Rasmussen
patent: 3290420 (1966-12-01), Orser
patent: 3333032 (1967-07-01), Dickinson
patent: 3496262 (1970-02-01), Long et al.
patent: 3574809 (1971-04-01), Fairbanks et al.
patent: 3619454 (1971-11-01), Sakata
patent: 3676537 (1972-07-01), Winstead
patent: 3886250 (1975-05-01), Danko
patent: 3911187 (1975-10-01), Raley
patent: 3963813 (1976-06-01), Keith
patent: 4039609 (1977-08-01), Thiel et al.
patent: 4070435 (1978-01-01), Lewicki, Jr.
patent: 4079114 (1978-03-01), Bonner
patent: 4153664 (1979-05-01), Sabee
patent: 4211743 (1980-07-01), Nauta et al.
patent: 4234530 (1980-11-01), Thiel et al.

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