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:
Jul. 24, 1984
Filed:
Feb. 06, 1979
Applicant:
Inventors:
Akira Morikawa, Nagoya, JP;
Yoshinori Narita, Nagoya, JP;
Assignee:
NGK Spark Plug Co., Ltd., Nagoya, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
138115 ; 138148 ; 138172 ; 138177 ; 138D / ; 425162 ; 264294 ; 264339 ; 60320 ;
Abstract
A bent honeycomb pipe includes an outer pipe section bent at a predetermined curvature, a bent central pipe section coaxial with the outer pipe section and a bent honeycomb-shaped section interposed between the outer and central pipe-sections, all three sections being simultaneously coextruded to form a single-piece construction.