Process for producing and perforating an aqueous solvent soluble

Details Process for producing and perforating an aqueous solvent soluble Process for producing and perforating an aqueous solvent soluble

1996-03-29

1998-01-20

Funk, Stephen R.

Printing

Stenciling

Stencils

1011284, B41N 124

Patent

active

057091463

ABSTRACT:
A process for producing a stencil printing sheet by laminating a water-soluble resin film to a porous substrate with an adhesive or by heat adhesion. Perforating the water-soluble resin film by a single application of an aqueous solvent onto the water-soluble resin film. The process includes having the aqueous solvent which dissolves the water-soluble resin layer permeate into the interior of the porous substrate.

REFERENCES:
patent: 628315 (1899-07-01), Haberstroh
patent: 1606217 (1926-11-01), Gestetner
patent: 4550660 (1985-11-01), Sato et al.
patent: 4597829 (1986-07-01), Sato et al.
patent: 4961377 (1990-10-01), Bando et al.
patent: 5165337 (1992-11-01), Schlundt
patent: 5174203 (1992-12-01), Maeda

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