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.

Date of Patent:
Oct. 08, 2024

Filed:

Jun. 05, 2023
Applicant:

Qingdao Qingflex Hose Factory, Shandong, CN;

Inventors:

Chen Zhang, Qingdao, CN;

Yanqiu Wang, Qingdao, CN;

Fan Zhou, Qingdao, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/02 (2006.01); B32B 1/08 (2006.01); B32B 25/08 (2006.01); B32B 25/10 (2006.01); B32B 25/14 (2006.01); B32B 37/06 (2006.01); E21B 17/20 (2006.01); E21B 43/27 (2006.01);
U.S. Cl.
CPC ...
B32B 15/02 (2013.01); B32B 1/08 (2013.01); B32B 25/08 (2013.01); B32B 25/10 (2013.01); B32B 25/14 (2013.01); B32B 37/06 (2013.01); E21B 17/20 (2013.01); B32B 2250/05 (2013.01); B32B 2250/40 (2013.01); B32B 2305/08 (2013.01); B32B 2311/30 (2013.01); B32B 2319/00 (2013.01); B32B 2597/00 (2013.01); E21B 43/27 (2020.05);
Abstract

An acid fracturing hose and a preparation method thereof, wherein, the acid fracturing hose includes an inner liner layer, an inner rubber layer, a first buffer layer, a reinforcing layer, a second buffer layer and an outer rubber layer from inside to out in sequence; wherein the inner liner layer is at least one layer of UHMWPE film, the reinforcing layer includes middle rubber layers and steel wire layers that are arranged at intervals, the inner rubber layer and the outer rubber layer are synthetic rubber, and the first buffer layer, the middle rubber layers and the second buffer layer are kiss-coating cord fabrics. The UHMWPE film is used as an inner liner layer, which can be integrated with an inner rubber layer and an outer rubber layer through a high temperature vulcanization process, and the inner liner layer is taken as an inner wall of the hose.


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Zhang, Chen. (2024). Acid fracturing hose and preparation method thereof (U.S. Patent No. 12109777). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12109777

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