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    UPPER-END FORMED GLASS COMPLEX FOR HOT EXPANDING PIERCING AND METHOD OF MANUFACTURING BILLET FOR HOT EXTRUSION PIPE MAKING
    1.
    发明申请
    UPPER-END FORMED GLASS COMPLEX FOR HOT EXPANDING PIERCING AND METHOD OF MANUFACTURING BILLET FOR HOT EXTRUSION PIPE MAKING 有权
    用于热膨胀加工的上端成型玻璃复合物和用于热挤出管制造的制造方法

    公开(公告)号：US20110219837A1

    公开(公告)日：2011-09-15

    申请号：US13116272

    申请日：2011-05-26

    申请人： Junichi NISHIMORI ,  Tomio Yamakawa ,  Keishi Matsumoto ,  Hiroaki Murakami

    发明人： Junichi NISHIMORI ,  Tomio Yamakawa ,  Keishi Matsumoto ,  Hiroaki Murakami

    IPC分类号： B21C37/06

    CPC分类号： B21C23/32 ,  B21C23/01 ,  B21C23/08 ,  B21J3/00 ,  B21J5/10

    摘要： When a hollow billet is inserted into a container, and hot expanding piercing is downwardly performed by using a plug, hot piercing is performed by using a formed glass complex comprising a ring-shaped formed glass part and a ring-shaped projecting part. The ring-shaped formed glass part assumes a disc shape having a circular opening for allowing a plug to be inserted at the center thereof. The ring-shaped projecting part is attached to the opening of the ring-shaped formed glass part, and assumes a ring shape projecting perpendicularly to the ring-shaped formed glass part. Thereby, the piercing work can be done safely, and defects can be prevented from occurring on the inner surface of the billet.

    摘要翻译： 当将中空坯料插入容器中时，通过使用塞子向下进行热膨胀穿孔，通过使用包括环形成形玻璃部件和环形突出部件的成形玻璃复合物进行热刺穿。 环形成形的玻璃部分呈圆盘形状，用于允许插头在其中心插入。 环状的突出部附着在环状的成形玻璃部的开口部，呈环状，与环状的成形玻璃部垂直地突出。 因此，可以安全地进行穿孔作业，能够防止在坯料的内表面发生缺陷。