Title:
CORRUGATED PIPE ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2022/001155
Kind Code:
A1
Abstract:
Disclosed is a corrugated pipe assembly. The corrugated pipe assembly comprises a corrugated pipe body (1). Two ends of the corrugated pipe body are respectively connected to a right connector (3) and a left connector (4), an outer side of the corrugated pipe body is sleeved with a heat preservation pipe (2) made of a flexible heat preservation material, the heat preservation pipe is of an integrated tubular structure, an inner side face of the heat preservation pipe abuts against an outer side face of the corrugated pipe body, the right end of the corrugated pipe body is provided with a right connecting portion (1a) formed by stamping, the right connector is connected to the right connecting portion, the right connecting portion is provided with a right annular blocking ring (1b) protruding out of the outer side face of the corrugated pipe body, the left end of the corrugated pipe body is provided with a left connecting portion (1c) formed by stamping, the left connector is connected to the left connecting portion, and the left connecting portion is provided with a left annular blocking ring (1d) protruding out of the outer side face of the corrugated pipe body. The heat preservation pipe in the corrugated pipe assembly does not easily fall off the corrugated pipe body, such that a heat preservation effect and an anti-freeze function of the heat preservation pipe are ensured.
Inventors:
HUANG SHUTANG (CN)
ZHAO ZENGHU (CN)
LI JINENG (CN)
ZHAO ZENGHU (CN)
LI JINENG (CN)
Application Number:
PCT/CN2021/079503
Publication Date:
January 06, 2022
Filing Date:
March 08, 2021
Export Citation:
Assignee:
FITTEST GROUP CO LTD (CN)
International Classes:
F16L19/025; F16L11/15; F16L19/028
Foreign References:
| CN212455980U | 2021-02-02 | |||
| CN206770837U | 2017-12-19 | |||
| CN208651868U | 2019-03-26 | |||
| CN208651869U | 2019-03-26 | |||
| CN110005889A | 2019-07-12 | |||
| EP0795710A1 | 1997-09-17 | |||
| JP2005325933A | 2005-11-24 |
Attorney, Agent or Firm:
ZHEJIANG ZHUANCHENG LAW FIRM (CN)
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