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公开(公告)号：US11571847B2
公开(公告)日：2023-02-07
申请号：US16633850
申请日：2018-07-27
Applicant: NISSEI ASB MACHINE CO., LTD.
Inventor： Soichiro Sato , Masayuki Usami
Abstract: A hollow article is molded in a state where an inner surface of a neck portion including an inner screw portion is held by an inner neck mold, and then, the hollow article is demolded from the inner neck mold by inserting an ejection rod into the hollow article to be engaged with an inner surface of the hollow article and rotating the hollow article together with the ejection rod.
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