Method and device for producing a screen printing stencil

Details Method and device for producing a screen printing stencil Method and device for producing a screen printing stencil

1995-02-02

1997-09-02

Evans, Geoffrey S.

Electric heating

Metal heating

By arc

21912172, 492 4, B23K 2600

Patent

active

056628218

ABSTRACT:
A screen printing stencil is produced by irradiating a light responsive layer situated on the surface of a rotating screen printing cylinder in a punctiform fashion by means of a laser beam which impinges at least approximately radially on the screen printing cylinder and is moved in the radial direction thereof. The screen printing cylinder is supported only in the region of its opposite end faces, while it is inflated so strongly over at least one of these end faces by means of a compressed gas that it assumes a circular cross-section. If the circumferential surface of the screen printing cylinder is opened by burning away the light responsive layer, sealing elements can be blown into the screen printing cylinder in order to seal the cylinder in the region of its exposed perforation.

REFERENCES:
patent: 3574912 (1971-04-01), Kraft
patent: 3707749 (1973-01-01), Henley
patent: 4272872 (1981-06-01), Hess et al.
patent: 4878127 (1989-10-01), Zollman et al.
patent: 5198636 (1993-03-01), Suchan
patent: 5386097 (1995-01-01), Ruckl

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