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:
Feb. 04, 2003
Filed:
Jan. 02, 2001
Shusuke Kakiuchi, Tochigi, JP;
Kazuhiro Inaba, Tochigi, JP;
Hiroyuki Yanagida, Tochigi, JP;
Taeko Hayase, Tochigi, JP;
Toshiyuki Suga, Tochigi, JP;
Hiroyuki Akai, Tochigi, JP;
Takao Koyama, Tochigi, JP;
Kao Corporation, Tokyo, JP;
Abstract
A process for producing bulky paper comprising the steps of transferring a fiber web ( ) having a water content of 50 to 85% by weight to a patterning zone having a perforated patterning net ( ) revolving along a suction unit; patterning the fiber web ( ) in conformity to the perforated patterning net ( ) by sucking the fiber web ( ) which is held on the perforated patterning net ( ) while applying 5 kcal/kg or more of heat to the fiber web ( ) in a heat application zone simultaneously with or before or after the sucking of the fiber web ( ); and then drying the fiber web ( ) in a drying zone to obtain patterned bulky paper ( ).