CLAMP FOR PRE-ASSEMBLING AND CONNECTING CONDUITS HAVING CONNECTOR FLANGES

WIPO Patent Application WO/2022/083397

A1

A clamp (10) for preassembling and connecting conduits (32, 34) having connector flanges (28, 30), the clamp (10) comprising: a clamp band (12) and a preassembly device (14); the clamp band (12) comprising a first end portion (16) with a first tightening head (20) and a second end portion (18) with a second tightening head (22); the preassembly device (14) comprising a first locking member (24) at the first end portion (16); wherein, in an open state of the clamp (10), the first tightening head (20) and the second tightening head (22) are spaced apart from each other by a gap (26), and in a preassembly state of the clamp (10), the first tightening head (20) and the second tightening head (22) are arranged closer to each other than in the open state and the clamp (10) is configured to hold two connector flanges (28, 30) of conduits (32, 34) in position to each other; characterized in that the preassembly device (14) further comprises an extension member (36) with a second locking member (38) being lockable to the first locking member (24) in a snap-fit manner; wherein in the open state, the second locking member (38) is unlocked from the first locking member (24), and in the preassembly state, the second locking member (38) is fixed on the first locking member (24) and locks the clamp (10) in the preassembly state.

TAO YE (CN)
HAO DUGGAN (CN)

PCT/CN2021/119878

April 28, 2022

September 23, 2021

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NORMA EJT CHANGZHOU CO LTD (CN)

F16L23/08; F16L23/04; F16L33/04

WO2008102116A2

2008-08-28

EP3205919A1	2017-08-16
DE202012101587U1	2012-07-13
CN103511770A	2014-01-15
EP0872677A2	1998-10-21
DE102008017874A1	2009-10-15

SHANGHAI ESSEN PATENT & TRADEMARK OFFICE (CN)

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