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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 11473717 B1

PDFFull Text
Date of Patent:
Oct. 18, 2022

Filed:

May. 13, 2020

Ultra-long thermally insulated pipeline and forming method thereof

Applicant:

Shinda (Tangshan) Creative Oil & Gas Equipment Co., Ltd., Hebei, CN;

Inventors:

Jianliang Duan, Hebei, CN;

Jian Dong, Hebei, CN;

Shujun Zhang, Hebei, CN;

Yueqing Lin, Hebei, CN;

Fengshou Shangguan, Hebei, CN;

Xiang Liu, Hebei, CN;

Assignee:

SHINDA (TANGSHAN) CREATIVE OIL & GAS EQUIPMENT CO., LTD., Tangshan, CN;

Attorneys:

Innovation Capital Law Group, LLP

Vic Lin

Primary Examiner:

Craig M Schneider

Assistant Examiner:

David R Deal

Int. Cl.
CPC ...
F16L 59/02 (2006.01); F16L 59/12 (2006.01); C09K 5/06 (2006.01); F16L 9/02 (2006.01); B32B 15/18 (2006.01); F16L 59/14 (2006.01); F16L 59/147 (2006.01); F16L 59/125 (2006.01); F16L 59/065 (2006.01); B32B 1/08 (2006.01); B32B 15/20 (2006.01); B32B 5/02 (2006.01);
U.S. Cl.
CPC ...
F16L 59/028 (2013.01); B32B 1/08 (2013.01); B32B 5/02 (2013.01); B32B 15/18 (2013.01); B32B 15/20 (2013.01); C09K 5/063 (2013.01); F16L 9/02 (2013.01); F16L 59/065 (2013.01); F16L 59/12 (2013.01); B32B 2262/101 (2013.01); B32B 2264/1023 (2020.08); B32B 2264/12 (2013.01); B32B 2597/00 (2013.01); F16L 59/029 (2013.01); F16L 59/123 (2013.01); F16L 59/125 (2013.01); F16L 59/143 (2013.01); F16L 59/147 (2013.01);
Abstract

The present invention provides an ultra-long thermally insulated pipeline, which includes a working steel pipe and an outer sleeve steel pipe sleeving the working steel pipe, where an annular vacuum cavity is formed between the working steel pipe and the outer sleeve steel pipe; two ends of the outer sleeve steel pipe are tightened; and the tightened parts of the outer sleeve steel pipe are sealed with an outer wall of the working steel pipe through a plurality of sealing rings. The ultra-long thermally insulated pipeline further includes a spiral ring supporting frame which is disposed outside the working steel pipe and is in contact with a wall of the working steel pipe. The spiral ring supporting frame is made of a phase change material The present invention further provides a forming method of an ultra-long thermally insulated pipeline.

Find Patent Forward Citations

Duan, Jianliang. (2022). Ultra-long thermally insulated pipeline and forming method thereof (U.S. Patent No. 11473717). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11473717

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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