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:
Feb. 15, 2011
Filed:
Dec. 05, 2006
Applicants:
Shun Kurata, Kariya, JP;
Hiroki Naganawa, Nishio, JP;
Fumiaki Nakamura, Kariya, JP;
Kinji Ochiai, Kasugai, JP;
Hiroki Ohara, Takahama, JP;
Inventors:
Shun Kurata, Kariya, JP;
Hiroki Naganawa, Nishio, JP;
Fumiaki Nakamura, Kariya, JP;
Kinji Ochiai, Kasugai, JP;
Hiroki Ohara, Takahama, JP;
Assignees:
DENSO Corporation, Kariya, JP;
DENSO Airs Corporation, Anjo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 13/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A compound tube is disclosed that includes an outer tube and an inner tube disposed in the outer tube. A passage is defined between the outer tube and the inner tube. Various methods of joining the outer tube to the inner tube are disclosed.