Title:
FLEXIBLE DEVICE FOR RAPID PLUGGING BY PRESSURE APPLICATION
Document Type and Number:
WIPO Patent Application WO/2020/134825
Kind Code:
A1
Abstract:
A flexible device for rapid blocking by pressure application, comprising a plugging positioning clamping flange (1), wherein the plugging positioning clamping flange (1) comprises a mounting part (11) and a fixing part (12) that are parallel to each other, and a connection part (13) connecting the mounting part (11) and the fixing part (12); the mounting part (11) is threadedly connected to a plugging positioning jackscrew (14), and the plugging positioning jackscrew (14) passes through the mounting part (11); one end of the plugging positioning jackscrew (14) close to the fixing part (12) is rotatably connected to a pressing block (15); and an abutting surface is formed on an adjacent surface of the pressing block (15) and the fixing part (12).
Inventors:
GUO LEI (CN)
GUO YUANYU (CN)
LI YANG (CN)
GUO YUANYU (CN)
LI YANG (CN)
Application Number:
PCT/CN2019/121474
Publication Date:
July 02, 2020
Filing Date:
November 28, 2019
Export Citation:
Assignee:
TIANJIN ANGU UNDER PRESSURE LEAK SEALING CO LTD (CN)
International Classes:
F16L55/172; F16L55/168; F16L55/17
Foreign References:
| CN209340722U | 2019-09-03 | |||
| US2905206A | 1959-09-22 | |||
| US1627995A | 1927-05-10 | |||
| GB141206A | 1920-04-15 | |||
| US2236913A | 1941-04-01 | |||
| CN108458201A | 2018-08-28 | |||
| US2377643A | 1945-06-05 |
Attorney, Agent or Firm:
TIANJIN BINHAI KEWEI INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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