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:
Mar. 19, 1985
Filed:
Apr. 29, 1983
Applicant:
Inventor:
Motoyuki Koga, Tokyo, JP;
Assignee:
Hakko Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
405154 ; 118306 ; 138 97 ; 427236 ; 427237 ; 405146 ; 405150 ;
Abstract
A method for lining pipes in a town gas underground pipeline. The method is characterized in that carrier air is flown together with plastics mist passing through a route comprising a branch line for distributing the gas to consumers, so that the pipeline and branch pipe are lined with the plastics.