Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Patent
1996-06-04
2000-02-15
Copenheaver, Blaine
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
10112821, 101129, 156184, 156192, 156194, 156199, 264175, 427143, 42831171, 4283197, 428906, B05C 1706, B31F 100, B41N 124
Patent
active
060250666
ABSTRACT:
The present invention provides a stencil sheet roll formed by winding up a stencil sheet to form a roll, the sheet including a thermoplastic resin film and a porous support laminated thereto, wherein the compression elastic modulus of the sheet is not less than 32 kg/cm.sup.2. The invention also provides a stencil sheet roll formed by winding up a stencil sheet to form a roll, the sheet including a thermoplastic resin film and a porous support laminated thereto and having been subjected to calender treatment. Also disclosed is a method for manufacturing a stencil sheet roll comprising laminating a thermoplastic resin film to a porous support to form a stencil sheet, subjecting the stencil sheet to calender treatment, and winding up the calender-treated stencil sheet to form a roll. According to the present invention, excellent printing images can be obtained since compression elastic modulus of a stencil sheet is enhanced without impeding permeability of ink and thus deterioration in quality of images due to reduction in surface smoothness of the stencil sheet can be effectively prevented.
REFERENCES:
patent: 4961377 (1990-10-01), Bando et al.
patent: 5219637 (1993-06-01), Arai et al.
patent: 5262221 (1993-11-01), Terada et al.
Translation of JP 59-16790 Hattori et al., Jan. 1984.
Kikuchi Hiroyo
Kurosaki Takayuki
Terasawa Hideki
Ujiie Mitsuru
Copenheaver Blaine
Riso Kagaku Corporation
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