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Title:
COMPOSITE PIPE AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/035581
Kind Code:
A1
Abstract:
A composite pipe (100) and a manufacturing method. The composite pipe (100) comprises an inner pipe (1), longitudinal strips (2) parallel to the axial direction of the inner pipe (1) and arranged on the outer surface of the inner tube (1) or inside the inner pipe (1), a reinforcement layer (3) at least partially wound on the longitudinal strips (2) and/or on the inner pipe (1), and an outer pipe (4) covering the reinforcement layer (3).

Inventors:
SHA YUEHUA (CN)
ZHANG DEWEN (CN)
WANG AIQIN (CN)
XIA PINGYUAN (CN)
CHEN JUNCHEN (CN)
Application Number:
PCT/CN2019/103110
Publication Date:
March 04, 2021
Filing Date:
August 28, 2019
Export Citation:
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Assignee:
5ELEM HI TECH CORP (CN)
International Classes:
F16L11/08; F16L11/02
Foreign References:
CN102865420A2013-01-09
CN101542178A2009-09-23
CN109798402A2019-05-24
JPH06134888A1994-05-17
CN1083906A1994-03-16
Attorney, Agent or Firm:
SUZHOU JIABO INTELLECTUAL PROPERTY AGENCY (CN)
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