Title:
LIP SEAL COMPRESSION-TYPE PIPE FITTING COUPLING AND INSTALLATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2016/029760
Kind Code:
A1
Abstract:
A lip seal compression-type pipe coupling, which comprises a pipe fitting having a socket, a pipe inserted into the socket of the pipe fitting, and a sealing ring having a main ring and an annular lip and arranged between the inner sidewall of the socket of the pipe fitting and a part of the outer sidewall of the pipe inserted into the socket. The annular lip of the sealing ring is a cylindrical cone and angled at 0-89 degrees to the axial direction of the pipe. The annular lip of the sealing ring is affixed to the outer wall of the pipe and maintains a seal-squeeze ratio of 10-35%. The outer dimeter of the main ring of the sealing ring is affixed to and kept in sealed compression with an outward protruding annular inner groove of the pipe fitting. In addition, also provided is an installation method for the pipe coupling. The lip sealed-type compression-type pipe coupling and the installation method therefor have the advantages of structural stability, great sealing performance, and extended service life.
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Inventors:
CHEN ZHENG (CN)
Application Number:
PCT/CN2015/084828
Publication Date:
March 03, 2016
Filing Date:
July 22, 2015
Export Citation:
Assignee:
SHENZHEN ARTWAY PIPING CORP (CN)
International Classes:
F16L21/02; F16L17/02
Foreign References:
| CN201487205U | 2010-05-26 | |||
| DE3644834C1 | 1988-04-28 | |||
| CN202561308U | 2012-11-28 | |||
| CN104197126A | 2014-12-10 | |||
| CN104390079A | 2015-03-04 | |||
| CN204164547U | 2015-02-18 | |||
| CN204164528U | 2015-02-18 | |||
| CN102679057A | 2012-09-19 | |||
| JP2003042358A | 2003-02-13 |
Attorney, Agent or Firm:
JIAQUAN IP LAW FIRM (CN)
广州嘉权专利商标事务所有限公司 (CN)
广州嘉权专利商标事务所有限公司 (CN)
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