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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.:

US 9803791 B1

PDFFull Text
Date of Patent:
Oct. 31, 2017

Filed:

Mar. 23, 2016

Method and apparatus for repair of polyolefin pipes and structures

Applicant:

Milliken Infrastructure Solutions, Llc, Spartanburg, SC (US);

Inventors:

James M. Souza, Houston, TX (US);

Lawrence Cercone, Littleton, CO (US);

Assignee:

Milliken Infrastructure Solutions, LLC, Spartanburg, SC (US);

Attorney:

Cheryl J. Brickey

Primary Examiner:

Patrick F Brinson

Int. Cl.
CPC ...
F16L 55/16 (2006.01); F16L 55/168 (2006.01); B29C 73/10 (2006.01); B32B 27/32 (2006.01); B32B 1/08 (2006.01); B29C 73/02 (2006.01); B29C 65/66 (2006.01); B29C 65/00 (2006.01); F16L 55/17 (2006.01); B29C 65/02 (2006.01); B29L 23/00 (2006.01); B29K 23/00 (2006.01); B29K 75/00 (2006.01); B29K 105/08 (2006.01); B29K 63/00 (2006.01); F16L 47/02 (2006.01); F16L 47/20 (2006.01);
U.S. Cl.
CPC ...
F16L 55/1683 (2013.01); B29C 65/02 (2013.01); B29C 65/665 (2013.01); B29C 66/5221 (2013.01); B29C 73/02 (2013.01); B29C 73/10 (2013.01); B32B 1/08 (2013.01); B32B 27/32 (2013.01); F16L 55/17 (2013.01); B29K 2023/00 (2013.01); B29K 2063/00 (2013.01); B29K 2075/00 (2013.01); B29K 2105/08 (2013.01); B29L 2023/22 (2013.01); F16L 47/02 (2013.01); F16L 47/20 (2013.01); F16L 55/168 (2013.01);
Abstract

A method of repairing a polyolefin structure at a damaged area thereof containing applying a filler material as necessary to fill the damaged area, overlaying the filled damaged area with a transitional film having a first side adapted to bond to polyolefins, bonding the transitional film to the polyolefin structure, and applying a reinforcement system over the transitional film. The bonding of the transitional film to the polyolefin structure comprises applying heat to the transitional film. A repair system for repairing a polyolefin structure containing optionally a filler material on the polyolefin structure, a transitional film applied over and bonded to the polyolefin structure having a first side adapted to bond to polyolefins, and a reinforcement system, applied over the transitional film. The reinforcement system contains a fiber-reinforced polyurethane system bonded to the second side of the transitional film.

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