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    Apparatus for ram forming monolithic plastic articles
    51.
    发明授权
    Apparatus for ram forming monolithic plastic articles 失效
    用于形成单晶塑料制品的RAM的装置

    公开(公告)号：US3677687A

    公开(公告)日：1972-07-18

    申请号：US3677687D

    申请日：1970-03-23

    申请人： RANSDELL H MURPHY ,  CAROLYN M BEANER ,  DICKEY CLAY MFG CO W S

    发明人： SIEGFRIED EDWARD C ,  HARWELL CONNER J ,  MURPHY SHIELDS L

    IPC分类号： B28B1/44 ,  B28B21/10 ,  B28B21/74 ,  B28B21/50

    CPC分类号： B28B1/44 ,  B28B21/10 ,  B28B21/74

    摘要： Apparatus for ram forming monolithic plastic articles, which produces articles, such as clay pipe and fittings, without stress lines and without knit or bond lines. The apparatus includes a mold having an elongate cavity having an inside surface configuration corresponding to an outside surface of the article to be formed therein. Bore forming mandrels or rams are movable into the elongate cavity for forcing a compression formed mass of plastic clay to flow around the mandrels and fill the cavity and form the article with bores therein, the mandrels being removable from the cavity and the mold opened for removal of the article.

    摘要翻译： 用于冲压成型整体塑料制品的装置，其产生制品，例如粘土管和配件，没有应力线，没有针织物或粘合线。 该装置包括具有细长腔的模具，其具有对应于待形成的制品的外表面的内表面构造。 孔形成心轴或柱塞可移动到细长腔中，用于迫使压缩成形的塑料粘土团块围绕心轴流动并填充空腔并在其中形成具有孔的制品，心轴可从空腔移除并且模具打开以移除 的文章。