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. 16, 2001
Filed:
Oct. 28, 1998
Applicant:
Inventors:
Lennart Agren, Boras, SE;
Arne Lund, Boras, SE;
Alan John Dickinson, Kirkby-In-Ashfield, GB;
Veli-Pekka Jormakka, Hollolla, FI;
Bo Mollsjo, Bramhult, SE;
Harri Leo, Fristad, SE;
Jyri Jarvenkyla, Hollola, FI;
Assignee:
Uponor Innovation AB, Fristad, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 3/500 ;
U.S. Cl.
CPC ...
B32B 3/500 ;
Abstract
A method for renovation of pipelines, comprising introduction of lining layers into the existing pipeline, the lining layers corresponding in length to the length of the pipeline to be renovated. The lining layers consist of fusible polymers and are presurized and fused together by the introduction of a heat source into the inside of the innermost lining layer.