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:
Jul. 03, 2012
Filed:
Dec. 13, 2004
Applicants:
Shigeyuki Hamayoshi, Fukuoka-ken, JP;
Shingo Nogami, Fukuoka-ken, JP;
Shigetada Sugiyama, Fukuoka-ken, JP;
Inventors:
Shigeyuki Hamayoshi, Fukuoka-ken, JP;
Shingo Nogami, Fukuoka-ken, JP;
Shigetada Sugiyama, Fukuoka-ken, JP;
Assignee:
Hitachi Metals Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21B 27/02 (2006.01); F16C 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A roll for use in a galvanizing pot, comprising a hollow body brought into contact with a steel strip, and shaft portions connected to the body, at least the body being made of a silicon nitride ceramic having thermal conductivity of 50 W/(m·K) or more at room temperature, and the body having an average surface roughness Ra of 1-20 μm. The body is preferably shrink-fit to the shaft portions.