发明名称 |
PIPE OF HARD THERMOPLASTIC RESIN, PIPE JOINT STRUCTURE AND METHODS OF MANUFACTURING THE SAME |
摘要 |
<p>A pneumatic joint(1)comprising a pipe body (2) of a hard thermoplastic resin, and an open ring (3) of a hard thermoplastic resin fitted in the pipe body from one opening thereof; the open ring being provided with a slip-off preventing projection (13) on an outer circumferential surface of a fitted portion thereof; the pipe body (2) being provided with an annular seal (9) of an elastic resin formed firmly on an inner circumferential surface thereof, a fitting inlet-carrying pipe (7) of a hard rigid resin disposed so as to coaxially abut on one side portion of the pipe body (2) and having a recess (10), with which the slip-off preventing projection (13) of the open ring (3) is engaged, in an inner circumferential surface of the abutted portion thereof, and an annular connecting portion (8) of a hard synthetic resin molded on an outer circumferential surface of the abutted portion of the inlet pipe firmly, and adapted to connect the fitting inlet-carrying pipe (7) to the pipe body (2). <IMAGE></p> |
申请公布号 |
EP1045183(A1) |
申请公布日期 |
2000.10.18 |
申请号 |
EP19980961573 |
申请日期 |
1998.12.24 |
申请人 |
MIKUNI PLASTICS CO., LTD.;DAICEL-HUELS, LTD.;DAICEL CHEMICAL INDUSTRIES, LTD. |
发明人 |
NOZATO, NOBUHIRO;INAGAKI, ATSUSHI;MATSUMOTO, SHINICHI;KOMADA, HAJIME;MUTSUDA, MITSUTERU;HIRAISHI, MASANORI |
分类号 |
B29C45/14;B29C45/16;F16L19/06;F16L19/065;F16L21/03;F16L31/02;F16L37/091;(IPC1-7):F16L11/04;F16L37/00 |
主分类号 |
B29C45/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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