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:
Jul. 16, 1996
Filed:
Sep. 29, 1994
Applicant:
Inventors:
Seppo Makela, Mynamaki, FI;
Seppo Jarvinen, Turku, FI;
Mikko Karttunen, Tampere, FI;
Esa Suokas, Tampere, FI;
Assignee:
Suomen Putkisaneeraus Oy, Turku, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
138 98 ; 4051501 ; 264269 ; 156287 ;
Abstract
A method for repairing flow conduits, such as pipe lines, wherein the inner surface of a conduit is provided with a flexible material, including a curing agent as well as a reinforcement layer, and the curing agent is hardened, the reinforcement layer comprising a knitted fabric, wherein the knitted fabric comprises reinforcement filaments which are separate from a fabric-forming yarn and extend inside the knitted fabric substantially in a single direction.