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.

Date of Patent:
Jun. 06, 2023

Filed:

Dec. 27, 2018
Applicant:

Yamauchi Corporation, Hirakata, JP;

Inventor:

Takahisa Hikida, Hirakata, JP;

Assignee:

Yamauchi Corporation, Hirakata, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/10 (2006.01); D21F 3/02 (2006.01); C08G 18/32 (2006.01); C08G 18/44 (2006.01); C08G 18/76 (2006.01); C08J 5/24 (2006.01);
U.S. Cl.
CPC ...
D21F 3/02 (2013.01); C08G 18/10 (2013.01); C08G 18/3206 (2013.01); C08G 18/3215 (2013.01); C08G 18/44 (2013.01); C08G 18/7671 (2013.01); C08J 5/247 (2021.05); C08J 5/249 (2021.05); C08J 2375/04 (2013.01);
Abstract

A shoe press belt includes a polyurethane in which a reinforcement base member is embedded, the polyurethane being in one piece with the reinforcement base member. The polyurethane constituting at least an outer circumferential surface of the shoe press belt includes, as an urethane prepolymer component, an aliphatic polycarbonatediol component and an aromatic diisocyanate component, and includes, as a curing agent component, an aliphatic diol component having a carbon number of less than or equal to 6 and an aromatic diol component having two hydroxyethoxy groups. A content of the aromatic diol component with respect to the aliphatic diol component and the aromatic diol component is more than or equal to 10 mass % and less than or equal to 50 mass %. Accordingly, there is provided a shoe press belt suppressed in generation and development of a crack.


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