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As in branching opening conservation structure of the distribution pipe and the conservation bush and the conservation bush installation mannered null
As in branching opening conservation structure of the distribution pipe and the conservation bush and the conservation bush installation mannered null
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机译:如在分支开口处,分配管和保护套的保护结构以及保护套的安装方式为无效
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摘要
PROBLEM TO BE SOLVED: To increase an efficiency for a mounting operation while facilitating the mounting operation of a protective bush by using a hygroscopic swelling rubber layer and also reduce the size of a bush mounter.;SOLUTION: A protective bush 5 in which the hygroscopic swelling rubber layer 16 is formed on the outer peripheral surface at the portion corresponding to at least the inner peripheral surface of a branch mouth 4 is mounted into the branch mouth 4 of a distributing water pipe 1. A locking part 12 projecting to the radial inner side is formed on the inner peripheral surface of the branch pipe part 2 of a branch joint A fixed onto the distributing water pipe 1 at the portion corresponding to the intermediate part or the proximal end of the protective bush inserted into the predetermined device position of the branch mouth 4. A locked part 13 stopping the release and movement of the protective bush 5 at the predetermined position in contact with the locking part 12 from the branch axis direction Y and a recess 14 for mounting and dismounting which, when the protective bush 5 is positioned at a predetermined phase relative to the branch pipe part 2, allows the extending therethrough and the movement of the locking part 12 in the branch axis direction Y are formed at the intermediate part or the proximal end of the protective bush 5.;COPYRIGHT: (C)2007,JPO&INPIT
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