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:
Nov. 30, 1993
Filed:
Oct. 16, 1991
Applicant:
Inventor:
Lyman R Lyon, Bloomfield Hills, MI (US);
Assignee:
Great Lakes and Southern Research Limited Prtnshp., Atlantic Beach, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
138 98 ; 138 97 ; 264269 ; 4051501 ;
Abstract
A liner for a pipe comprises a pair of imperforate sleeves telescoped within one another and having a resin absorbant fiber mat and resin supply tube disposed therebetween. A polymerizable resin is injected between the sleeves through the resin supply tube. The resin tube may be withdrawn from the pipe. The liner is folded to a U-shaped cross section to facilitate insertion into the pipe.