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:
Jun. 03, 2008
Filed:
Jan. 10, 2005
Applicants:
Akira Onikubo, Tokyo, JP;
Hiroyuki Oda, Tokyo, JP;
Yasuhiko Kobayashi, Tokyo, JP;
Inventors:
Assignee:
Ichikawa Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/06 (2006.01); B32B 5/22 (2006.01); D21F 7/08 (2006.01); D21F 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A press felt for papermaking comprises a base body, a fibrous assembly, and a three-dimensional knitted fabric layer comprising two pieces of fabric connected by connecting fibers. The three-dimensional knitted fabric layer is disposed within the press felt at a distance from both the wet paper web contact surface and the machine contact surface of the felt. At least some of the connecting fibers are diagonal fibers.