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:
Mar. 23, 1999
Filed:
Oct. 08, 1997
Osamu Kawaguchi, Osaka, JP;
Tsuneo Ando, Osaka, JP;
Takumi Kosugi, Osaka, JP;
Shuzo Ohara, Osaka, JP;
Goyo Paper Working Co., Ltd., Osaka, JP;
Abstract
A continuous sheet having an optical function imparted thereto, which is obtained by extruding a thermoplastic resin on a three-dimensional pattern side of a continuous release sheet having a three-dimensional pattern in its surface to shus transfer said pattern to a surface of said thermoplastic resin, simultaneously contacting the other side of said thermoplastic resin with a cooling roll having an uneven pattern or a mirror surface to thus transfer said pattern or mirror surface to a surface of said thermoplastic resin in contact with said cooling roll, and separating by peeling said release sheet from said thermoplastic resin after cooling. The continuous sheet is free of a streak and scratch and freely cuttable in any desired size and form.