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:
Oct. 21, 1980
Filed:
Oct. 14, 1977
Applicant:
Inventors:
Ryoichi Namiki, Hino, JP;
Yasuro Hayashi, Yokohama, JP;
Assignee:
Ricoh Company, Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F28D / ; F28F / ;
U.S. Cl.
CPC ...
219469 ; 219470 ; 165 89 ; 34124 ; 291295 ; 29125 ;
Abstract
A heat pipe roller comprising an inner pipe, an outer pipe, and a chamber formed by the inner pipe and the outer pipe, containing a heating medium, wherein the inner pipe and the outer pipe are sealed above one portion of each end of the heat pipe roller.