The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 04, 2001
Filed:
Mar. 31, 2000
Riso Kagaku Corporation, Tokyo, JP;
Abstract
Disclosed is a heat-sensitive sheet for stencil printing comprising a laminate of a thermoplastic resin film and a porous support mainly composed of synthetic fibers, the sheet having a wet tensile strength in the machine direction of 200 gf/cm or higher, a KES bending rigidity B value in the machine or cross direction of 0.02 g·cm,/cm or higher, and a PPS smoothness determined when a film is pressed against the surface of the porous support of the sheet of 0.9 &mgr;m or higher; the sheet has an excellent runnability, occurrence of wrinkles on the sheet when it is wound around a drum of a stencil printing machine is efficiently prevented, and elongation of the sheet is repressed and occurrence of wrinkles on the sheet can be prevented even when a large number of paper sheets are printed, and thus printed paper sheets having sharp images excellent in reproducibility of a manuscript can be provided.