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:
Jan. 07, 2014

Filed:

Feb. 18, 2011
Applicants:

Hiroto Yamaoka, Tokyo, JP;

Yoichi Yamashita, Tokyo, JP;

Natsuki Yoneyama, Tokyo, JP;

Masahiro Kuchi, Tokyo, JP;

Hisashi Honjou, Yokohama, JP;

Inventors:

Hiroto Yamaoka, Tokyo, JP;

Yoichi Yamashita, Tokyo, JP;

Natsuki Yoneyama, Tokyo, JP;

Masahiro Kuchi, Tokyo, JP;

Hisashi Honjou, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 1/00 (2006.01); F27B 9/24 (2006.01); B65G 13/00 (2006.01);
U.S. Cl.
CPC ...
C21D 1/00 (2013.01); F27B 9/24 (2013.01); B65G 13/00 (2013.01);
Abstract

A roller for in-furnace conveyance () which is provided with a fitting section () in which a fitting hole () of a body section () and a fitting shaft () of a shaft section () are fitted, and which constitutes a single roller by welding of the fitting section, wherein the fitting section has a first fitting section () in which fitting occurs with a prescribed interstice at a position separated from the weld position, and a second fitting section () in which fitting occurs with an interstice larger than that of the first fitting section at a position adjacent to the weld position.


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