Method for producing sheet-formed recording medium

Details Method for producing sheet-formed recording medium Method for producing sheet-formed recording medium

1991-12-19

1993-02-16

Pianalto, Bernard

Coating processes

Magnetic base or coating

Magnetic coating

427128, 427130, 427444, 428 65, 428694, 428900, B05D 512

Patent

active

051869764

ABSTRACT:
A method for producing a sheet-formed recording medium having a heat treatment step of a synthetic resin base material, in which the base material is formed into a sheet before or after providing a recording layer on the surface of the base material, and a plurality of the sheet-formed base materials, juxtaposed to each other and supported so that the surface is parallel to a vertical direction, are subjected to to heat treatment. The heat treatment is made by blowing air in a direction along the surface of the juxtaposed base materials, thereby removing foreign substances present between the base materials and achieving uniform heat treatment.

REFERENCES:
patent: 3049442 (1962-08-01), Haines et al.
patent: 4661377 (1987-04-01), Morita et al.

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