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Title:
UNMANNED SHIPBORNE MAINTENANCE FIXTURE
Document Type and Number:
WIPO Patent Application WO/2018/000540
Kind Code:
A1
Abstract:
An unmanned shipborne maintenance fixture (10), comprising: two complementary fixture elements (12.1, 12.2) designed to be clamped by each other at a pipeline section to form the complete fixture (10); each of the fixture elements (12.1, 12.2) has an inner flange surface which is usually semicircular; a fixture assembly (12) has a plurality of flange surfaces (14), each of which is provided with a pair of circular sealing grooves (16) spaced from each other in the axial direction and extending in the circumferential direction; annular sealing pieces (18) are arranged in the circular sealing grooves; only one fixture element (12.2) is provided with a pair of longitudinal sealing grooves (20) spaced from each other in the annular direction and extending in the axial direction; the longitudinal sealing grooves (20) are located in two opposite ends of the circular sealing groove (16) in the annular direction, so as to form the fixture element (12.2); each sealing groove (20) is provided with a longitudinal sealing piece (22) placed therein; a four-way combining region (24) is formed by connecting the longitudinal sealing pieces (22) and the annular sealing pieces (18); fixture flanges or fastening flanges (30.1, 30.2) are arranged at two opposite ends of two flanges in the annular direction; and the flanges (30) are used for fastening the fixture elements (12) together to form the complete fixture (10).

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Inventors:
YANG, Yue (Yang, ShunweiRoom 03, FL7, North of Bai Hui Bldg., No 3019 Sun Gang East Road, Luo Hu Dist, ShenZhen Guangdong 0, 518000, CN)
Application Number:
CN2016/095106
Publication Date:
January 04, 2018
Filing Date:
August 14, 2016
Export Citation:
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Assignee:
YANG, Yue (Yang, ShunweiRoom 03, FL7, North of Bai Hui Bldg., No 3019 Sun Gang East Road, Luo Hu Dist, ShenZhen Guangdong 0, 518000, CN)
International Classes:
F16L21/06
Foreign References:
US4895397A1990-01-23
US3396753A1968-08-13
US2899984A1959-08-18
CN204114463U2015-01-21
CN200949730Y2007-09-19
CN101514776A2009-08-26
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