Three dimensional image formation process

Details Three dimensional image formation process Three dimensional image formation process

1993-06-02

1995-04-11

Burr, Edgar S.

Printing

Stenciling

Processes

1014011, 427282, 264130, 264132, B41L 1312, B29C 3338

Patent

active

054048079

ABSTRACT:
A three-dimensional image formation process and an image separating agent used therefor are provided. The process comprises the steps of passing a flowable image forming material through a perforated stencil sheet having a perforated image from one surface to the other to form a three-dimensional image consisting of a flowable image forming material (ex. silicone resin) corresponding to the perforated image of the stencil sheet on the other surface; pushing out an image separating agent (ex. CaCO.sub.3 paste) from the stencil sheet side to the three-dimensional image side to form a separation layer between the three-dimensional image and the stencil sheet; hardening the three-dimensional image in this condition; and separating the three-dimensional image from the stencil sheet. The above image separating agent contains a fine particulate thixotropic agent (ex. CaCO.sub.3) as a main component, and has one minute spread value SP of the following formula:

REFERENCES:
patent: 3658977 (1972-04-01), Baker
patent: 4324815 (1982-04-01), Mitani et al.
patent: 5000089 (1991-03-01), Uchiyama
patent: 5174201 (1992-12-01), Andris et al.
patent: 5244620 (1993-09-01), Uchiyama

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