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公开(公告)号：US5150922A
公开(公告)日：1992-09-29
申请号：US462717
申请日：1990-01-09
申请人： Akio Nakashiba , Hiroyuki Nishimura , Fumio Nagatani , Kazunori Mito , Toshio Shibabuchi , Mikio Nakaoka
发明人： Akio Nakashiba , Hiroyuki Nishimura , Fumio Nagatani , Kazunori Mito , Toshio Shibabuchi , Mikio Nakaoka
CPC分类号： B29C66/636 , B29C65/342 , B29C65/3432 , B29C65/3476 , B29C65/561 , B29C65/72 , B29C66/112 , B29C66/1122 , B29C66/1222 , B29C66/1224 , B29C66/12441 , B29C66/12821 , B29C66/12841 , B29C66/131 , B29C66/5221 , B29C66/52231 , B29C66/52241 , B29C66/5229 , B29C66/52291 , B29C66/52292 , B29C66/5344 , B29C66/63 , B29C66/71 , B29C66/73756 , B29C66/73941 , B29C66/972 , F16L47/03 , F16L47/28 , B29K2023/12 , B29K2105/24 , B29L2023/00 , B29L2031/601 , Y10S285/919 , Y10S285/923
摘要： The improved electrofusion joint and header for supplying hot water that perform satisfactorily at elevated temperatures as evidenced by high heat resistance, that exhibit good sealing property and that can be handled efficiently in mounting and various other operations have a crosslinked thermoplastic resin layer and at least one joining portion which comprises a non-crosslinked thermoplastic resin layer that is formed a as an integral part of said crosslinked thermoplastic resin layer in the area where it contacts a tubular member to be joined, and a heating electric wire provided either within or on the outer or inner surface of said non-crosslinked thermoplastic resin layer. Such electrofusion joint and header are applicable to any part of a piping system for supplying hot water and they will withstand use for a prolonged period.
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公开(公告)号：US5375889A
公开(公告)日：1994-12-27
申请号：US67083
申请日：1993-05-26
申请人： Akio Nakashiba , Hiroyuki Nishimura , Fumio Nagatani , Kazunori Mito , Toshio Shibabuchi , Mikio Nakaoka
发明人： Akio Nakashiba , Hiroyuki Nishimura , Fumio Nagatani , Kazunori Mito , Toshio Shibabuchi , Mikio Nakaoka
CPC分类号： B29C66/636 , B29C65/342 , B29C65/3432 , B29C65/3476 , B29C65/561 , B29C65/72 , B29C66/112 , B29C66/1122 , B29C66/1222 , B29C66/1224 , B29C66/12441 , B29C66/12821 , B29C66/12841 , B29C66/131 , B29C66/5221 , B29C66/52231 , B29C66/52241 , B29C66/5229 , B29C66/52291 , B29C66/52292 , B29C66/5344 , B29C66/63 , B29C66/71 , B29C66/73756 , B29C66/73941 , B29C66/972 , F16L47/03 , F16L47/28 , B29K2023/12 , B29K2105/24 , B29L2023/00 , B29L2031/601 , Y10S285/919 , Y10S285/923
摘要： The improved electrofusion joint and header for supplying hot water that perform satisfactorily at elevated temperatures as evidenced by high heat resistance, that exhibit good sealing property and that can be handled efficiently in mounting and various other operations have a crosslinked thermoplastic resin layer and at least one joining portion which comprises a non-crosslinked thermoplastic resin layer that is formed a as an integral part of said crosslinked thermoplastic resin layer in the area where it contacts a tubular member to be joined, and a heating electric wire provided either within or on the outer or inner surface of said non-crosslinked thermoplastic resin layer. Such electrofusion joint and header are applicable to any part of a piping system for supplying hot water and they will withstand use for a prolonged period.
摘要翻译： 用于提供在高温下令人满意地提供的热水的改进的电熔接头和头部，其具有良好的密封性并且可以在安装和各种其它操作中有效地处理，具有高耐热性，耐热性良好的交联热塑性树脂层和至少一个 接合部，其包含在与要接合的管状构件接触的区域中形成为所述交联热塑性树脂层的一体部分的非交联热塑性树脂层，以及设置在外部或外部的加热电线 或所述非交联热塑性树脂层的内表面。 这种电熔接头和集管适用于用于供应热水的管道系统的任何部分，并且它们将经受长时间使用。
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公开(公告)号：US5366253A
公开(公告)日：1994-11-22
申请号：US913632
申请日：1992-07-16
申请人： Akio Nakashiba , Hiroyuki Nishimura , Fumio Nagatani , Kazunori Mito , Toshio Shibabuchi , Mikio Nakaoka
发明人： Akio Nakashiba , Hiroyuki Nishimura , Fumio Nagatani , Kazunori Mito , Toshio Shibabuchi , Mikio Nakaoka
CPC分类号： B29C66/636 , B29C65/342 , B29C65/3432 , B29C65/3476 , B29C65/561 , B29C65/72 , B29C66/112 , B29C66/1122 , B29C66/1222 , B29C66/1224 , B29C66/12441 , B29C66/12821 , B29C66/12841 , B29C66/131 , B29C66/5221 , B29C66/52231 , B29C66/52241 , B29C66/5229 , B29C66/52291 , B29C66/52292 , B29C66/5344 , B29C66/63 , B29C66/71 , B29C66/73756 , B29C66/73941 , B29C66/972 , F16L47/03 , F16L47/28 , B29K2023/12 , B29K2105/24 , B29L2023/00 , B29L2031/601 , Y10S285/919 , Y10S285/923
摘要： The improved electrofusion joint and header for supplying hot water that perform satisfactorily at elevated temperatures as evidenced by high heat resistance, that exhibit good sealing property and that can be handled efficiently in mounting and various other operations have a crosslinked thermoplastic resin layer and at least one joining portion which comprises a non-crosslinked thermoplastic resin layer that is formed a as an integral part of the crosslinked thermoplastic resin layer in the area where it contacts a tubular member to be joined, and a heating electric wire provided either within or on the outer or inner surface of the non-crosslinked thermoplastic resin layer. Such electrofusion joint and header are applicable to any part of a piping system for supplying hot water and they will withstand use for a prolonged period.
摘要翻译： 用于提供在高温下令人满意地提供的热水的改进的电熔接头和头部，其具有良好的密封性并且可以在安装和各种其它操作中有效地处理，具有高耐热性，耐热性良好的交联热塑性树脂层和至少一个 接合部，其包括在与待接合的管状构件接触的区域中形成为交联热塑性树脂层的整体部分的非交联热塑性树脂层，以及设置在外部或外部的加热电线 或非交联热塑性树脂层的内表面。 这种电熔接头和集管适用于用于供应热水的管道系统的任何部分，并且它们将经受长时间使用。
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公开(公告)号：US4674775A
公开(公告)日：1987-06-23
申请号：US846685
申请日：1986-04-01
CPC分类号： F16L19/0206 , F16L25/0036 , Y10S285/903
摘要： An improved coupling for a corrugated conduit includes a main tubular body with a sleeve defining a conduit receiving bore terminating at its inner end in an annular shoulder projecting radially inwardly of the tubular body. A nipple clamps the end portion of the conduit and is inserted together therewith into the conduit receiving bore where it is pressed forwardly by rotating a nut threaded on the sleeve for forcing the end of the conduit into pressing contact with the shoulder. The nipple is externally shaped to have a polygonal configuration so as to be slidably but unrotatably inserted in the correspondingly shaped conduit receiving bore, preventing the conduit from being twisted during the securing operation of rotating the nut about the sleeve.
摘要翻译： 用于波纹管道的改进的联接器包括具有套筒的主管状主体，所述套管限定了在其内端处终止于径向向内突出于管状体的环形肩部中的导管接收孔。 乳头夹住管道的端部并且与其一起插入到管道容纳孔中，在那里通过旋转螺纹连接在套筒上的螺母而向前挤压，以迫使导管的端部与肩部压紧接触。 乳头外部成形为具有多边形构造，以便可滑动地但不可旋转地插入到相应形状的导管接收孔中，从而防止在使螺母绕套筒旋转的固定操作期间管道扭曲。
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