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:
Sep. 26, 2017

Filed:

Jan. 29, 2015
Applicant:

Ichikawa Co., Ltd., Bunkyo-ku, JP;

Inventors:

Kenji Inoue, Bunkyo-ku, JP;

Ryo Umehara, Bunkyo-ku, JP;

Ai Tamura, Bunkyo-ku, JP;

Yuta Sugawara, Bunkyo-ku, JP;

Assignee:

Ichikawa Co., Ltd., Bunkyo-ku, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F 7/08 (2006.01); D21F 1/00 (2006.01);
U.S. Cl.
CPC ...
D21F 1/0027 (2013.01); D21F 7/086 (2013.01);
Abstract

The object of the present invention is to provide a wet paper web transfer belt wherein the adhesive properties and releasing properties of the wet paper web with the wet paper web contacting surface of conventional wet paper web transfer belts have been further improved and paper robbing and floating edges do not occur. This is achieved by a wet paper web transfer belt in which a polyurethane is integrated with a reinforcing base material comprising a wet paper web-side surface and a machine-side surface, at least the wet paper web-side surface of the reinforcing base material is embedded in the polyurethane, an outer circumferential layer comprising a wet paper web contacting surface is constituted by some of the polyurethane; wherein, at least the outer circumferential layer comprises two different types of fillers including a high-roundness filler with a relatively high roundness and a low-roundness filler with a relatively low roundness.


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