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Patent Searching and Data


Title:
VACUUM PIPE
Document Type and Number:
WIPO Patent Application WO/2022/152100
Kind Code:
A1
Abstract:
A vacuum pipe, comprising: an outer pipe (1), an inner pipe (2) provided in the outer pipe (1) and having two ends respectively fixedly connected to the two ends of the outer pipe (1), and a vacuum heat insulation cavity (3) formed between the outer pipe (1) and the inner pipe (2). The inner pipe (2) comprises annular deformation folds (201) which are integrally provided on the pipe wall of the inner pipe (2) and surround the periphery of the axis of the inner pipe (2).

Inventors:
GAO FENG (CN)
LIU ZAIXIANG (CN)
CHEN YANFENG (CN)
CAI YUANFENG (CN)
WANG BING (CN)
NIU ZHENGYAN (CN)
Application Number:
PCT/CN2022/071194
Publication Date:
July 21, 2022
Filing Date:
January 11, 2022
Export Citation:
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Assignee:
SHANGHAI XINGYE MATERIALS TECH CO LTD (CN)
International Classes:
F16L59/065; F16L23/024; F16L51/02; F16L57/00; F16L57/02
Foreign References:
CN112377725A2021-02-19
CN113339616A2021-09-03
CN112555524A2021-03-26
CN214999917U2021-12-03
CN215000230U2021-12-03
CN206723693U2017-12-08
JPS5986495U1984-06-11
CN210196798U2020-03-27
CN201363512Y2009-12-16
CN104373759A2015-02-25
CN203189960U2013-09-11
CN101813230A2010-08-25
CN101799102A2010-08-11
CN203671146U2014-06-25
CN104508396A2015-04-08
US20050011573A12005-01-20
CN206555635U2017-10-13
Attorney, Agent or Firm:
SUZHOU WEIJIN PATENT AGENCY (CN)
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