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:
Jun. 28, 1988
Filed:
Jan. 22, 1987
Applicant:
Inventor:
Izumi Higashi, Kanagawa, JP;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F41F / ;
U.S. Cl.
CPC ...
89 141 ; 16510426 ;
Abstract
A gun barrel structure for a tank having improved heat dissipation properties and accordingly improved accuracy. The gun barrel of the tank is surrounded by a cylindrical heat pipe containing a working fluid. The heat pipe may be constituted by concentric inner and outer cylinders with the working fluid therebetween, or by a single cylinder surrounding the gun barrel with the working fluid held between the outer surface of the gun barrel and the inner surface of the cylinder. Preferably, the heat pipe is divided into a plurality of separate sections disposed along the barrel. A wick holding the working fluid may also be employed.