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:
Aug. 29, 2017
Filed:
Jun. 22, 2012
Applicants:
Naoto Tani, Nagoya, JP;
Teruo Tamada, Yamato, JP;
Kenji Iwasaki, Nagoya, JP;
Inventors:
Assignee:
KYORAKU CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 9/00 (2006.01); F24F 13/02 (2006.01); B60H 1/00 (2006.01); F16L 9/127 (2006.01);
U.S. Cl.
CPC ...
F16L 9/006 (2013.01); B60H 1/00564 (2013.01); F16L 9/127 (2013.01); F24F 13/02 (2013.01); F24F 13/0209 (2013.01); F24F 13/0245 (2013.01);
Abstract
A duct in which the welding strength of the parting lines is enhanced and which facilitates the attaching job is provided. The duct of the present embodying mode has a mean thickness of the entire duct of 1 mm or less, and includes projections on inner surface sides of the duct on the parting lines.