Title:
VACUUM RUBBER PIPE HAVING NOVEL CONNECTION MODE
Document Type and Number:
WIPO Patent Application WO/2024/066368
Kind Code:
A1
Abstract:
A vacuum rubber pipe having a novel connection mode. The vacuum rubber pipe comprises a filter disc (1), a filtrate main pipe, a middle pipeline (5), a distribution valve (6), a rubber expansion joint (3), a pipe coupling (4) and a connecting flange (2). The filter disc (1) is located at the uppermost end of the vacuum rubber pipe. A plurality of filters of the filter disc (1) all lead to a filtrate main pipe at the bottom, and then connected to the distribution valve (6) by means of the rubber expansion joint (3) and the middle pipeline (5). The middle pipeline (5) has an integral structure, and the two ends of the middle pipeline (5) are each provided with a small section of rubber expansion joint (3). The connection mode of the rubber expansion joint (3) is a sleeve type structure or a flange type structure.
Inventors:
CHEN AIMIN (CN)
WU XUERONG (CN)
WU XUERONG (CN)
Application Number:
PCT/CN2023/092889
Publication Date:
April 04, 2024
Filing Date:
May 09, 2023
Export Citation:
Assignee:
JIANGSU NEW HONGDA GROUP CO LTD (CN)
International Classes:
F16L9/12; F16L51/00; F17D1/08; F17D3/01
Foreign References:
| CN115574155A | 2023-01-06 | |||
| CN2420055Y | 2001-02-21 | |||
| CN203431397U | 2014-02-12 | |||
| CN104056481A | 2014-09-24 | |||
| CN203162362U | 2013-08-28 | |||
| CN204739343U | 2015-11-04 | |||
| CN205013948U | 2016-02-03 | |||
| CN213629419U | 2021-07-06 | |||
| GB1160550A | 1969-08-06 |
Attorney, Agent or Firm:
NANJING SCI-TECH INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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