Title:
RUBBER SLEEVE WITH INSTALLATION STRUCTURE AND PIPELINE PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2021/121034
Kind Code:
A1
Abstract:
A rubber sleeve (1) with an installation structure and a pipeline provided with the rubber sleeve. The rubber sleeve is provided with a through circulation channel (10) and is of an integrated structure, and at least one independent pressurization cavity (11) is formed in the rubber sleeve; the portions, with the pressurization cavities, of the rubber sleeve are each provided with an outer rubber layer (12) and an inner rubber layer (13); and the outer rubber layer of each pressurization cavity is provided with an access hole which communicates with the pressurization cavity. The installation structure comprises two limiting parts (2) which are fixed to two ends of the rubber sleeve to clamp the rubber sleeve. The rubber sleeve is clamped and fixed by the limiting parts arranged at two ends of the rubber sleeve, during installation and later maintenance of the rubber sleeve, it is only needed to perform detachment from the limiting parts at the two ends, and installation and maintenance are convenient.
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| WO/2022/226580 | A PINCH VALVE ASSEMBLY |
Inventors:
ZHOU CHAO (CN)
Application Number:
PCT/CN2020/133243
Publication Date:
June 24, 2021
Filing Date:
December 02, 2020
Export Citation:
Assignee:
WUHAN SHENGYU DRAINAGE SYSTEM CO LTD (CN)
International Classes:
F16K7/07
Foreign References:
| CN111043348A | 2020-04-21 | |||
| CN111075948A | 2020-04-28 | |||
| CN111042306A | 2020-04-21 | |||
| CN111075947A | 2020-04-28 | |||
| DE2442116A1 | 1976-03-11 | |||
| DE2442116A1 | 1976-03-11 | |||
| CN110397151A | 2019-11-01 | |||
| CN103615566A | 2014-03-05 | |||
| JPH11336922A | 1999-12-07 | |||
| CA999499A | 1976-11-09 |
Attorney, Agent or Firm:
BEIJING ZHONGDA DEQUAN IP AGENCY CO., LTD. (CN)
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