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1. 发明申请

WO1992015182A1 SYSTEM AND METHOD FOR JOINING PLASTIC MATERIALS 审中-公开
标题翻译：用于加工塑料材料的系统和方法
公开(公告)号：WO1992015182A1
公开(公告)日：1992-09-03
申请号：PCT/US1992001220
申请日：1992-02-20
申请人： METCAL, INC. , KUBOTA CORPORATION
发明人： METCAL, INC. , KUBOTA CORPORATION , ROSS, James, B. , TIGHT, Dexter, C., Jr.
IPC分类号： H05B06/10
CPC分类号： H05B6/40 , B29C65/362 , B29C65/364 , B29C65/3668 , B29C65/3676 , B29C66/1122 , B29C66/5221 , B29C66/52241 , B29C66/5229 , B29C66/52292 , B29C66/7311 , B29C66/81423 , B29C66/8221 , B29C66/8324 , B29K2995/0008
摘要： The invention provides a system and method for joining plastic members including heaters fabricated from a conductive wire (26) coated with a ferromagnetic material (28) and providing ratios of at least 4 to 1 between the areas over the spaces between wires (58) and the area of the wires surrounding the open spaces; the heaters being located preferably between plastic members to be joined. The heaters (58) may be located adjacent the two ends of a plastic connector adapted to receive a pipe in at least one and probably two ends with the heaters being activated preferably by induction heating to produce welding of the plastics to one another. One form of heater is fabricated on a hollow cylindrical mandrel (16) having helical grooves in which the wire is wound and having radial holes arranged in axially extending rows spaced circumferentially about the mandrel so the axially extending wires may be spot welded to the wires in the helical grooves at each hole. Rings of wire may also be held together by axially extending grooves. Saddle fittings and patches (148) may also be applied to pipes or other plastic members employing said heaters. Induction coils in the form of clamshell (43) and jaw-like structures may be employed as appropriate to energize such heaters and flexible coil structures may also be employed.
摘要翻译：本发明提供了一种用于连接塑料构件的系统和方法，包括由涂覆有铁磁材料（28）的导电线（26）制成的加热器，并且在电线（58）与电线（58）之间的空间之间的区域之间提供至少4比1的比率围绕开放空间的电线的面积; 加热器优选位于待接合的塑料构件之间。加热器（58）可以位于塑料连接器的两端附近，该塑料连接器的两端适于在至少一个可能的两个端部接收管道，优选地通过感应加热来激活加热器，以产生塑料彼此的焊接。一种形式的加热器制造在具有螺旋槽的中空圆柱形心轴（16）上，其中线缠绕在其中，并且具有沿轴向间隔开的轴向延伸的排布置的径向孔，使得轴向延伸的线可以点焊到导线每个孔处的螺旋槽。线的环也可以通过轴向延伸的凹槽保持在一起。鞍形配件和贴片（148）也可以应用于使用所述加热器的管道或其它塑料构件。蛤壳（43）和颚状结构形式的感应线圈可以适当地用于激励这种加热器，也可以使用柔性线圈结构。

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