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. 04, 1997
Filed:
Apr. 28, 1995
Richard D Blackmore, Northbrook, IL (US);
Mark T Sloan, Rahleigh, NC (US);
Advance Trenchless Rehabilitation Systems, Arlington Heights, IL (US);
Abstract
A method and lining for rehabilitating a pipe or conduit. The method comprising providing a heat curable resin impregnated lining with first and second conductive strips extending lengthwise through the lining from a first end to a second end and separated circumferentially by non-conductive material. Connecting the conductive strips together at said second end and causing a current to flow through said first conductive layer from said first end to said second end of said lining, and through said second conductive lining from said second end to said first end. The lining having a plurality of conductive strips extending lengthwise through the lining.