Method of molding a hollow molded article and appa

专利名称：Method of molding a hollow molded article

and apparatus for manufacturing the same

发明人：Nishida, Shoso, c/o The Japan Steel Works,

Ltd.

申请号：EP05009487.9申请日：20050429公开号：EP1591227B1公开日：20080514

摘要：First and second semi-finished molded articles and a third semi-finished moldedarticle are molded simultaneously so as to have joint end faces by using a slide die, a fixeddie, and first and second slide cores fitted to the fixed die. The slide die with the thirdsemi-finished molded article remaining thereon is moved toward the first and secondslide cores, and their respective joint end faces are registered. Heating surfaces areinserted between the joint end faces. After melting the joint end faces, the heatingsurfaces are retracted, and the molding device is closed to weld the joint end faces.

申请人：JAPAN STEEL WORKS LTD

地址：JP

国籍：JP

代理机构：Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät

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