Printing-plate preparation apparatus employed in screen printing

Details Printing-plate preparation apparatus employed in screen printing Printing-plate preparation apparatus employed in screen printing

1988-10-21

1990-09-18

Wright, Jr., Ernest T.

Typewriting machines

Typing by other than type-face or type-die

Thermal

400136, 400641, 400662, 1011284, 29132, B41J 324

Patent

active

049573780

ABSTRACT:
In a printing-plate preparation apparatus employed in a screen printing machine comprising a thermal printhead provided with a heating-element portion, a rotatably supported platen roller for delivering a stencil paper and urging the same against a surface of the heating-element portion of the thermal printhead, and a manuscript-reading unit movable back and forth between a first position and a second position an improvement resides in that an outer peripheral surface of the platen roller is made of non-adhesive material while urged against a surface of the heating-element portion of the thermal printhead, whereby the stencil paper is clamped between the platen roller and the thermal printhead so as to be delivered while subjected to a perforation operation conducted by the heating-element portion of the thermal printhead.

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IBM Technical Disclosure Bulletin, "Nonstick Capstan Pinch Rolls", Denson et al. vol. 20, No. 2, Jul. 1977, pp. 710-711.
IBM Technical Disclosure Bulletin, "Hot Roll Fuser", Evans et al., vol. 24, No. 8, Jan. 1982, p. 4177.
IBM Technical Disclosure Bulletin, "Printer Platen for Band Printer", Bayer et al., vol. 25, No. 7A, Dec. 1982, p. 3521.

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