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. 29, 2019
Filed:
Oct. 16, 2017
Applicant:
Furukawa Electric Co., Ltd., Tokyo, JP;
Inventors:
Masashi Yagi, Tokyo, JP;
Hiroyuki Fukushima, Tokyo, JP;
Tomohiro Takagi, Tokyo, JP;
Makoto Furukawa, Tokyo, JP;
Assignee:
FURUKAWA ELECTRIC CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16L 59/075 (2006.01); F16L 59/065 (2006.01); H01B 12/16 (2006.01); F16L 9/02 (2006.01); F16L 57/02 (2006.01); F16L 59/14 (2006.01);
U.S. Cl.
CPC ...
F16L 59/075 (2013.01); F16L 9/02 (2013.01); F16L 57/02 (2013.01); F16L 59/065 (2013.01); F16L 59/141 (2013.01); F16L 59/143 (2013.01); H01B 12/16 (2013.01); Y02E 40/647 (2013.01);
Abstract
A double tube is provided, which can reliably prevent buckling and flattening of an inner tube even when bending is performed.