发明名称 |
Pipe of hard thermoplastic resin, pipe joint structure and methods of manufacturing the same |
摘要 |
An air-pressure joint 1 comprising a pipe main body 2 made of a rigid thermoplastic resin and a release ring 3 made of a rigid thermoplastic resin inserted from one opening of the pipe main body, wherein the release ring includes a slip-off preventing protrusion 13 on an outer circumferential surface of its insertion site; and the pipe main body 2 includes a ring-shaped sealing portion 9 made of an elastic resin and integrally formed on an inner circumferential surface thereof, an insertion mouth pipe portion 7 made of a rigid rigid resin, coaxially disposed to abut one opening side portion of the pipe main body 2 and forming a recess groove 10 on an inner circumferential surface of an abutting portion thereof for stopping the slip-off preventing protrusion 13 of the release ring 3, and a ring-shaped connecting portion 8 made of a rigid synthetic resin and integrally molded to an outer circumferential surface of the abutting portion of this mouth pipe for connecting the insertion mouth pipe portion 7 to the pipe main body 2.
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申请公布号 |
US6357802(B1) |
申请公布日期 |
2002.03.19 |
申请号 |
US20000486252 |
申请日期 |
2000.02.24 |
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):F16L21/02 |
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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