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. 19, 1980
Filed:
Sep. 12, 1978
Applicant:
Inventors:
Syuichi Nakamura, Osaka, JP;
Satoshi Ogawa, Osaka, JP;
Yasuhiro Moriyama, Ibaraki, JP;
Tomihisa Ueno, Ibaraki, JP;
Minoru Komura, Ibaraki, JP;
Assignees:
Nitto Denki Kogyo Kabushiki Kaisha, Ibaraki, JP;
Osaka Gasu Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
138109 ; 138 99 ; 138110 ; 138141 ; 156 86 ; 156289 ; 174D / ;
Abstract
Thermoshrinkable or thermoexpansive tubes for corrosion prevention or lining of piping are disclosed which have their inner and/or outer walls covered with at least one protective cover to keep them clean from dust, dirt, water or any other foreign matter which might interfere with adhesion to the pipe connection, thus causing corrosion or poor lining.
Nakamura, Syuichi. (1980). Protective cover for a thermoresponsive tube (U.S. Patent No. 4188979). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4188979
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile