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1. 发明申请

US20050257848A1 Plastic lined steel pipe with end corrosive protection core and method for producing same 审中-公开
标题翻译：具有端腐蚀保护芯的塑料内衬钢管及其制造方法
公开(公告)号：US20050257848A1
公开(公告)日：2005-11-24
申请号：US11137654
申请日：2005-05-24
申请人： Shinichi Funatsu , Hiroyuki Mimura , Yoshihisa Kariyazono , Eiji Takata , Manish Mathur , Tetsumi Kondoh , Chikaomi Matsuo , Takeshi Miyama
发明人： Shinichi Funatsu , Hiroyuki Mimura , Yoshihisa Kariyazono , Eiji Takata , Manish Mathur , Tetsumi Kondoh , Chikaomi Matsuo , Takeshi Miyama
IPC分类号： F16L9/14 , F16L57/00 , F16L58/10
CPC分类号： F16L57/005 , F16L58/1018 , F16L58/1036
摘要： A plastic lined pipe with an end corrosive protection core used for snow removal, water supply, air-conditioning, firefighting, drainage, and other piping etc. and a method of production of the same, more particularly a plastic lined pipe with an end corrosive protection core, used connected by a coupling not having an end corrosive protection function, having an adhesive layer on an inner surface of a steel pipe or a steel pipe galvanized on its outer surface, having a polyolefin plastic layer or cross-linked polyolefin plastic layer on its further inner side, the steel pipe given substrate treatment on its inner surface in advance, the substrate treatment comprising forming a phosphate chemical conversion coating treated for grain refinement, and provided at its end with a corrosive protection core formed by a cylindrical part having dimensions and rigidity enabling strong fitting to the end inner surface of the plastic lined steel pipe and a flange part having a shape and rigidity enabling attachment, then close fitting to the end while completely covering the end face of the plastic lined steel pipe, the outer surface of the cylindrical part being provided with circumferential grooves, the material being a high corrosion resistance metal, and the inner surface of the flange part of the corrosive protection core having a rubber ring closely fit to it, and a method of production of the same.
摘要翻译：一种塑料内衬管，其具有用于除雪，供水，空调，消防，排水等管道等的端部腐蚀性保护芯及其制造方法，特别是具有端部腐蚀性的塑料衬里管保护芯，通过不具有端部腐蚀保护功能的联接器连接，在钢管的内表面上具有粘合剂层或在其外表面上镀锌的钢管，具有聚烯烃塑料层或交联聚烯烃塑料层在其另一内侧，钢管预先在其内表面上进行基材处理，所述基材处理包括形成用于晶粒细化处理的磷酸盐化学转化涂层，并在其末端设置有由具有尺寸和刚性使得能够与塑料衬里钢管的端部内表面牢固配合，以及具有形状和刚度e的凸缘部分布线附件，然后在完全覆盖塑料衬里钢管的端面的同时紧贴端部，圆柱形部分的外表面设有周向槽，该材料是耐腐蚀性高的金属，并且内表面具有与其紧密配合的橡胶圈的腐蚀性保护芯的凸缘部分及其制造方法。

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