Apparatus for screen printing digitalized images

Details Apparatus for screen printing digitalized images Apparatus for screen printing digitalized images

1996-11-25

1999-07-27

Funk, Stephen R.

Printing

Stenciling

Stencils

101129, B41C 114

Patent

active

059271914

ABSTRACT:
A method and apparatus for screen printing a converted digitalized image onto a hard surface, such as glass or a mirror. The apparatus includes a source for providing a conventional digitalized image, such as a digital scanner, digital camera or CD-ROM. A computer-assisted enhancer is connected to the digitalized image source and adapted to select the size and shape of the halftones comprising the digitalized image as a function of a preselected screen size for screen printing and to provide a converted digitalized image. In the preferred embodiment, the ratio of the mesh size to screen frequency (lpi) is about 3. A dry film printer prints the converted digitalized image onto a transparent film which is used to prepare the screens for printing. In the preferred embodiment, the screen printing inks are selected from the group consisting of UV-cured, air-cured epoxy, and heat-cured lacquer for screen printing the converted digitalized image onto the hard surface.

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patent: 4682271 (1987-07-01), Yamada
patent: 5121131 (1992-06-01), Bouldin et al.
patent: 5156089 (1992-10-01), McCue et al.
patent: 5179448 (1993-01-01), Steinhardt et al.
patent: 5497699 (1996-03-01), Mather

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