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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 10525619 B1

PDFFull Text
Date of Patent:
Jan. 07, 2020

Filed:

Jun. 25, 2018

Method of installing a heat tube on pre-insulated piping

Applicant:

Thermacor Process, Inc., Fort Worth, TX (US);

Inventor:

Thomas Joseph Keyes, Fort Worth, TX (US);

Assignee:

Thermacor Process, Inc., Fort Worth, TX (US);

Attorneys:

Whitaker Chalk Swindle & Schwartz PLLC

Charles Gunter

Primary Examiner:

Michael A Tolin

Int. Cl.
CPC ...
B29C 44/08 (2006.01); B29C 44/18 (2006.01); F16L 53/38 (2018.01); F16L 59/14 (2006.01); B29C 44/12 (2006.01); B29C 63/14 (2006.01); B32B 38/00 (2006.01); B29C 65/00 (2006.01); B05B 13/02 (2006.01); B29K 75/00 (2006.01); B29L 23/00 (2006.01); F16L 53/30 (2018.01); F16L 59/16 (2006.01); B29K 705/12 (2006.01);
U.S. Cl.
CPC ...
B29C 44/1228 (2013.01); B05B 13/0235 (2013.01); B29C 44/1295 (2013.01); B29C 44/18 (2013.01); B29C 63/14 (2013.01); B29C 66/02241 (2013.01); B29C 66/02245 (2013.01); B32B 38/0004 (2013.01); F16L 53/38 (2018.01); F16L 59/143 (2013.01); B29K 2075/00 (2013.01); B29K 2705/12 (2013.01); B29K 2995/0015 (2013.01); B29L 2023/225 (2013.01); B32B 2038/0016 (2013.01); B32B 2597/00 (2013.01); F16L 53/30 (2018.01); F16L 59/16 (2013.01);
Abstract

A method is shown for installing a heat tube on a section of pre-insulated piping. A metal carrier pipe is covered with a first layer of foam insulation. Next, a routing device is used to cut a longitudinal slot along the length of the pipe so that the pipe exterior surface is exposed from the insulation. A heat tube is then installed within the longitudinal slot, whereby the heat tube contacts the exterior surface of the metal carrier pipe. A second layer of foam insulation is then sprayed onto the exterior of the metal carrier pipe, covering the previously formed longitudinal slot and installed heat tube. A polyolefin coating is then applied over the insulation to form a protective outer jacket for the insulated pipe.

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