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:
Aug. 03, 1993
Filed:
Apr. 10, 1991
Applicant:
Inventors:
Haruhisa Tani, Tokorozawa, JP;
Kazuhiko Kurihara, Tokyo, JP;
Hiroshi Yazawa, Tokyo, JP;
Toshikazu Ohishi, Kawaguchi, JP;
Assignees:
Nippon Petrochemicals Co., Ltd., Tokyo, JP;
Polymer Processing Research Institute, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
156181 ; 156324 ; 156177 ; 156178 ;
Abstract
In a method of and an apparatus for heat-setting a non-woven fabric in which a warp web and a weft web is cross-laminated, the fabric is gripped at least at its opposite side edges by and between an outer peripheral surface of a hot cylinder and an endless belt normally tensioned against that outer peripheral surface. Widthwise shrinkage is fully prevented during travel of the fabric around the hot cylinder, and firm bonding of the warp and weft webs is attained.