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    • 1. 发明申请
    • RESINOUS TUBE JOINT
    • 树脂管接头
    • US20110210544A1
    • 2011-09-01
    • US13057090
    • 2009-07-14
    • Kazukiyo TeshimaAkihiro MasudaTakehiro NakamuraMasateru YamadaTakayuki KishimotoToshiyuki FukumotoTakeshi NakagawaRyo Imanishi
    • Kazukiyo TeshimaAkihiro MasudaTakehiro NakamuraMasateru YamadaTakayuki KishimotoToshiyuki FukumotoTakeshi NakagawaRyo Imanishi
    • F16L25/00
    • F16L19/0283F16L19/04F16L47/04F16L2201/10
    • A resin pipe joint in which, although an economical configuration formed by two components or a joint body and a union nut is employed, both a resistance against pulling and an excellent sealing property can be attained is provided.A resin pipe joint is configured so that the joint has: a synthetic resin-made joint body 1 including an inner cylinder portion 4, an external thread portion 5, and a radial groove m into which an end of a tube enters; and a union nut 2 that is made of a transparentable fluorine resin, and that includes an internal thread portion 8, a seal peripheral edge 10 which presses a tip end portion of a tube flared portion 3A, a slipping-off prevention peripheral edge 11 which is actable on a large-diameter portion of a flaring changing region 9, and a pressing inner peripheral portion 13 which is externally fittable to a flared straight portion 12, and, by a screw advancement of the union nut 2 in a state where the end of the tube 3 is inserted into the inner cylinder portion 4 and a flared portion 3A is formed, the pressing inner peripheral portion 13 is pressingly contacted with and externally fitted to the flared straight portion 12, a portion which is formed as a large-diameter portion of the flaring changing region 9 is pressed by the slipping-off prevention pressing portion 11, and a small-diameter portion of the flaring changing region 9 is pressed by the seal pressing portion 10.
    • 尽管采用了由两个部件或接头体和联管螺母形成的经济构造的树脂管接头,但是可以实现拉拔阻力和优异的密封性能。 树脂管接头被构造成使得接头具有包括内筒部4,外螺纹部5和管的一端进入的径向槽m的合成树脂制接头体1; 以及由可透明的氟树脂制成的联接螺母2,其包括内螺纹部8,挤压管扩口部3A的前端部的密封周缘10,防滑外周缘11, 可以在扩口改变区域9的大直径部分和外部配合到扩口直线部分12的按压内周部分13,并且通过联接螺母2的螺纹前进处于可变状态 管3插入到内筒部4中,形成有扩口部3A,按压内周部13与张开的直线部12紧密接触并外嵌,形成为大直径 扩口改变区域9的一部分被防滑按压部分11按压,并且扩口改变区域9的小直径部分被密封按压部分10按压。
    • 2. 发明申请
    • TUBE JOINT CONSISTING OF RESIN
    • 管子接合树脂
    • US20110221190A1
    • 2011-09-15
    • US13057229
    • 2009-07-14
    • Kazukiyo TeshimaAkihiro MasudaTakehiro NakamuraMasateru YamadaTakayuki KishimotoToshiyuki FukumotoRyo Imanishi
    • Kazukiyo TeshimaAkihiro MasudaTakehiro NakamuraMasateru YamadaTakayuki KishimotoToshiyuki FukumotoRyo Imanishi
    • F16L19/00
    • F16L19/0283F16L19/041F16L47/04
    • A resin pipe joint in which, although an economical configuration formed by two components or a joint body and a union nut is employed, both a resistance against pulling and an excellent sealing property can be attained is provided. A resin pipe joint is configured so that the joint has: a synthetic resin-made joint body 1 including an inner cylinder portion 4 and an external thread portion 5; and a synthetic resin-made union nut 2 including: an internal thread portion 8; a seal peripheral edge 10 which is actable on a tip-end portion of a tube flared portion 3A; a slipping-off prevention peripheral edge 11 which is actable on a large-diameter portion of the flaring changing region 9; and a pressing inner peripheral portion 13 which is externally fittable to a flared straight portion 12 that is fitted to a straight barrel cylinder portion 4B, and, by fastening of the union nut 2 in a state where an end of the tube 3 is inserted into the inner cylinder portion 4 and the flared portion 3A is formed, the pressing inner peripheral portion 13 is pressingly contacted with and externally fitted to the flared straight portion 12, a portion which is formed as a large-diameter portion of the flaring changing region 9 is pressed by the slipping-off prevention pressing portion 11, and a small-diameter portion of the flaring changing region 9 is pressed by the seal pressing portion 10.
    • 尽管采用了由两个部件或接头体和联管螺母形成的经济构造的树脂管接头,但是可以实现拉拔阻力和优异的密封性能。 树脂管接头被构造成使得接头具有:包括内筒部4和外螺纹部5的合成树脂制接头体1; 以及合成树脂制的联管螺母2,其包括:内螺纹部8; 密封周缘10,其可以在管扩张部分3A的顶端部分上作用; 可在扩口切换区域9的大直径部分上作用的防滑外周缘11; 以及外压配合到直筒部分4B上的扩口直线部分12的挤压内周部分13,并且通过在管3的一端被插入的状态下紧固联管螺母2 内筒部4和扩口部3A形成,按压内周部13与扩口直线部12紧密接触并外嵌,形成为扩口切换区9的大径部的部分 被防滑按压部11按压,扩口变更区域9的小径部被密封按压部10按压。