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公开(公告)号：EP2796757B1
公开(公告)日：2019-07-03
申请号：EP14162617.6
申请日：2014-03-31
发明人： Chien, Huan-Jan , Chen, Po-Wen
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2.发明公开Method and structure for preventing slipping-off of a tube in a pipe joint made of fluororesin 审中-公开Verfahren und Struktur zur Verhinderung des Abrutschens eines Rohres in einer Rohrverbindung aus Fluorharz
公开(公告)号：EP2796757A2
公开(公告)日：2014-10-29
申请号：EP14162617.6
申请日：2014-03-31
发明人： Chien, Huan-Jan , Chen, Po-Wen
CPC分类号： F16L47/04 , F16L19/05 , F16L2201/30 , F16L2201/40
摘要： A pipe joint structure is used to prevent a tube (18) and pipe joint (2), especially fluororesin pipe joint from slipping off. The said pipe joint comprises of a joint body (20), a fixed ring (27) and a union nut (26), being assembled by passing the tube end through said union nut and then though the fixed ring within the union nut. A jig is then used to expand said tube end to become a flared end (180) consisting of a conical surface (181) and a tubular surface (182), and finally connect it to the conical surface and tubular surface on top of the tube connecting portion of said joint body. When said union nut is fastened to the locking thread of said tube connecting portion, its interior recess portion will couple with the bulging surface of fixed ring to ensure it to stay in a concentric position, thereby allowing the tube wall of sealed surface to be compressed evenly and secured firmly on said pipe joint so to achieve a seal and prevent it from slipping off.
摘要翻译： 管接头结构用于防止管（18）和管接头（2），特别是氟树脂管接头脱落。 所述管接头包括接头体（20），固定环（27）和接头螺母（26），通过使管端通过所述联管螺母，然后通过固定环在联管螺母内组装。 然后使用夹具来膨胀所述管端，以变成由锥形表面（181）和管状表面（182）组成的扩口端（180），并且最后将其连接到管的顶部上的锥形表面和管状表面 连接部分。 当所述联管螺母紧固到所述管连接部分的锁定螺纹时，其内部凹部将与固定环的凸出表面联接，以确保其保持在同心位置，从而允许密封表面的管壁被压缩 均匀地固定在所述管接头上，从而达到密封并防止其脱落。
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3.发明公开Method and structure for preventing slipping-off of a tube in a pipe joint made of fluororesin 审中-公开一种用于防止在管接头的管的滑落方法和结构由氟树脂制成的
公开(公告)号：EP2796757A3
公开(公告)日：2016-04-27
申请号：EP14162617.6
申请日：2014-03-31
发明人： Chien, Huan-Jan , Chen, Po-Wen
CPC分类号： F16L47/04 , F16L19/05 , F16L2201/30 , F16L2201/40
摘要： A pipe joint structure is used to prevent a tube (18) and pipe joint (2), especially fluororesin pipe joint from slipping off. The said pipe joint comprises of a joint body (20), a fixed ring (27) and a union nut (26), being assembled by passing the tube end through said union nut and then though the fixed ring within the union nut. A jig is then used to expand said tube end to become a flared end (180) consisting of a conical surface (181) and a tubular surface (182), and finally connect it to the conical surface and tubular surface on top of the tube connecting portion of said joint body. When said union nut is fastened to the locking thread of said tube connecting portion, its interior recess portion will couple with the bulging surface of fixed ring to ensure it to stay in a concentric position, thereby allowing the tube wall of sealed surface to be compressed evenly and secured firmly on said pipe joint so to achieve a seal and prevent it from slipping off.
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