Stencil, stencil material kit and stencil duplicator kit contain

Details Stencil, stencil material kit and stencil duplicator kit contain Stencil, stencil material kit and stencil duplicator kit contain

1985-03-07

1986-07-01

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

1011284, 156345, 156654, 1566591, 156668, 156658, 156904, 156905, B44C 122, C03C 1500, C03C 2506, B29C 1708

Patent

active

045978298

ABSTRACT:
This invention provides stencil from which a patternwise perforated stencil can be easily made by handwritting, a stencil material kit with which a patternwise perforated stencil can be made, and a stencil duplicator kit which, in combination with the stencil, performs simple, clear printing. The stencil is made up of a porous support and a masking film formed thereon, said masking film being made of a water-insoluble polymer having tertiary amino groups. The stencil material kit contains the stencil and a patternwise perforated stencil-making solution which forms a water-soluble product upon reaction with said polymer. Stencil printing is performed using the patternwise perforated stencil, a stencil duplicator and printing ink.

REFERENCES:
patent: 2141020 (1938-12-01), Robertson
patent: 3179729 (1965-04-01), Richardson
patent: 3579394 (1971-05-01), Nelson
patent: 4230781 (1980-10-01), Piascinski et al.

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