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:
Dec. 06, 1983
Filed:
Sep. 30, 1981
Applicant:
Inventors:
Assignee:
Osaka Gas, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B32B / ;
U.S. Cl.
CPC ...
156 94 ; 156224 ; 427140 ; 427142 ; 427230 ; 427235 ; 427238 ; 427239 ;
Abstract
A one step method of applying a sealant onto the inside surface of a pipe, such as a gas pipe, to repair any defective portions that are likely to cause a leak and should be repaired. The sealant is applied and it is then dried and solidified to seal the leak portions of the pipe. Preferably, an injection means is used for supplying the sealant in a cylindrical shape so that every portion of the inner surface of the pipe will be coated.