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. 15, 2006
Filed:
Nov. 07, 2001
Applicants:
Atsuo Watanabe, Hirakata, JP;
Takahisa Hikida, Hirakata, JP;
Atsushi Watanabe, Hirakata, JP;
Inventors:
Assignee:
Yamauchi Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F 3/00 (2006.01); B32B 7/02 (2006.01); B32B 27/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
A papermaking belt which prevents cracking and inhibits crack growth which includes a reinforcing substrate embedded in a thermosetting polyurethane layer so that the reinforcing substrate and the thermosetting polyurethane layer are integrated with each other and the outer peripheral surface and the inner peripheral surface of the belt are formed by polyurethane layers, the polyurethane layer forming the outer peripheral surface being made of a composition containing a urethane prepolymer having isocyanate groups on its ends and a hardener containing dimethylthiotoluenediamine.