Title:
ANTI-OFF STEEL RING AND FIXED SEALING DEVICE FOR SNAP-FIT PIPE FITTING
Document Type and Number:
WIPO Patent Application WO/2020/073188
Kind Code:
A1
Abstract:
An anti-off steel ring (11) for a snap-fit pipe fitting and a fixed sealing device (3) comprising the anti-off steel ring (11). The anti-off steel ring (11) has a first bite portion (112) and a second bite portion (111) distributed in the circumferential direction. The first bite portion (112) is configured to radially extend from an inner circumferential wall of the anti-off steel ring (11), and the second bite portion (111) is configured to axially extend from the periphery of the anti-off steel ring (11) and tilt inward.
Inventors:
HE YUGUANG (CN)
Application Number:
PCT/CN2018/109419
Publication Date:
April 16, 2020
Filing Date:
October 09, 2018
Export Citation:
Assignee:
ZHUJI CITY HOWHI AIR CONDITIONERS MADE CO LTD (CN)
International Classes:
F16L37/091
Foreign References:
| GB2182743A | 1987-05-20 | |||
| DE10335530A1 | 2004-10-14 | |||
| CN102308136A | 2012-01-04 |
Other References:
See also references of EP 3865755A4
Attorney, Agent or Firm:
SUNRAY INTELLECTUAL PROPERTY ATTORNEYS (CN)
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