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:
Apr. 01, 2008
Filed:
Mar. 09, 2005
Applicants:
Nobuo Ichimura, Gunma, JP;
Yoshikazu Takamatsu, Sano, JP;
Susumu Sato, Gunma, JP;
Inventors:
Assignee:
Calsonic Kansei Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 39/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A forked part structure of a double pipe has an outer pipe, an inner pipe, a branch pipe and an open end portion of the outer pipe. The open end portion of the outer pipe has a substantially tubular inner pipe supporting portion to which the inner pipe is brazed, and a substantially tubular branch pipe supporting portion to which the branch pipe is brazed. The inner pipe supporting portion is located inward of a main portion of the outer pipe along an extending direction of the main portion of the outer pipe.