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:
Apr. 25, 2023
Filed:
Apr. 23, 2019
China Merchants Heavy Industry (Jiangsu) Co., Ltd., Jiangsu, CN;
China University of Petroleum-beijing, Beijing, CN;
Lixin Xu, Jiangsu, CN;
Chuanbo Cong, Beijing, CN;
Hui Cao, Beijing, CN;
Xiaoyu Meng, Beijing, CN;
Qinjing Guo, Jiangsu, CN;
Qiong Zhou, Beijing, CN;
CHINA MERCHANTS HEAVY INDUSTRY (JIANGSU) CO., LTD., Jiangsu, CN;
China University of Petroleum-Beijing, Beijing, CN;
Abstract
A nonmetallic flexible pipe and a manufacturing method thereof. The nonmetallic flexible pipe comprises, from the inside to the outside, an inner liner, a pressure bearing layer, an isolation layer, a tensile layer, a functional layer, and a protective layer, wherein two adjacent layers are non-rigidly bonded. The inner liner layer is made from a thermoplastic polymer. The pressure bearing layer is made from a fiber-reinforced resin-based composite material. The isolation layer is made from a thermoplastic polymer. The tensile layer is made from a resin-reinforced fiber material. At least one of an optical fiber, a cable, a tracing ribbon, a pipe for conveying a heat transfer medium, a pressure sensor, and a temperature sensor is provided in the functional layer. The protective layer is made from a thermoplastic polymer.