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:
May. 20, 2008
Filed:
May. 03, 2006
Atsuo Watanabe, Hirakata, JP;
Takahisa Hikida, Hirakata, JP;
Atsushi Watanabe, Hirataka, JP;
Yamauchi Corporation, Hirakata-Shi, JP;
Abstract
A papermaking belt, used for a shoe pressing belt, a calender belt and a sheet transfer belt, is prevented from cracking and inhibited from growth of a crack, and comprises a reinforcing substrate () embedded in a thermosetting polyurethane layer () so that the said reinforcing substrate () and the said 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 is made of a composition containing a urethane prepolymer having isocyanate groups on ends and a hardener containing dimethylthiotoluenediamine.