Transparent synthetic resin sheet or film, method for its produc

Details Transparent synthetic resin sheet or film, method for its produc Transparent synthetic resin sheet or film, method for its produc

1988-04-01

1990-06-19

Ryan, Patrick

Coating processes

Optical element produced

Polarizer, windshield, optical fiber, projection screen, or...

427168, 427284, 427287, 118323, B05D 506

Patent

active

049352644

ABSTRACT:
A method for producing a sheet or film of a transparent synthetic resin, which comprises discharging onto a continuous substrate moving in one direction a synthetic resin material for the transparent synthetic resin from a discharge die having a linear outlet extending perpendicular to the moving direction of the substrate, casting and curing or solidifying the resin material on the substrate to form a sheet or film of the transparent synthetic resin, wherein the discharge die is continuously or intermittently reciprocated in a direction substantially perpendicular to the moving direction of the substrate.

REFERENCES:
patent: 3113034 (1963-12-01), Fix et al.
patent: 4138284 (1979-02-01), Postupack
patent: 4208446 (1980-06-01), Postupack et al.
patent: 4244997 (1981-01-01), Postupack
patent: 4357900 (1982-11-01), Buscher
patent: 4600653 (1986-07-01), Washita et al.
patent: 4643944 (1987-02-01), Agethen et al.
patent: 4652494 (1987-03-01), Bravet et al.
patent: 4671838 (1987-06-01), Bravet et al.

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