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:
Oct. 20, 2020
Filed:
Feb. 23, 2017
Applicant:
Isealate As, Stavanger, NO;
Inventors:
Bengt Gunnarsson, Hundvåg, NO;
Einar Waage-Rasmussen, Hommersåk, NO;
Dan Forsström, Norrtälje, SE;
Johan Haasum, Stockholm, SE;
Assignee:
Isealate AS, Stavanger, NO;
Primary Examiner:
Int. Cl.
CPC ...
F16L 55/165 (2006.01); F16L 55/163 (2006.01); E21B 43/10 (2006.01); E21B 17/00 (2006.01);
U.S. Cl.
CPC ...
F16L 55/1653 (2013.01); E21B 17/00 (2013.01); E21B 43/103 (2013.01); E21B 43/108 (2013.01); F16L 55/163 (2013.01); F16L 55/1656 (2013.01);
Abstract
A method and apparatus for lining at least one part of a wall of a conduit. In particular embodiments, a piece of material in the form of a sheet may be provided with adhesive thereupon, the sheet being curled or rolled up to allow insertion into the conduit. The curled or rolled up sheet may then be positioned inside the conduit, and once positioned inside the conduit, may at least partially uncurl or unroll to apply the sheet to the wall via the adhesive to obtain a laminate.