公开(公告)号：US20170129158A1

公开(公告)日：2017-05-11

申请号：US15320142

申请日：2015-06-17

Applicant: NISSEI ASB MACHINE CO., LTD.

Inventor： Yoshiki MIYAZAWA ,  Yoichi TSUCHIYA

IPC: B29C49/06 ,  B29C49/18 ,  B29C49/28 ,  B29B11/08

CPC classification number: B29C49/06 ,  B29B11/08 ,  B29B11/12 ,  B29B11/14 ,  B29B2911/14213 ,  B29B2911/1448 ,  B29B2911/14486 ,  B29B2911/14633 ,  B29B2911/1464 ,  B29C49/0073 ,  B29C49/061 ,  B29C49/18 ,  B29C49/28 ,  B29C2791/001 ,  B29K2067/003 ,  B29L2031/712

Abstract: A hollow container manufacturing method comprises; an injection molding step of forming a preform having a neck portion and a barrel portion, at least a part of the barrel portion being solid, by injection molding; an intermediate product formation step of inserting a boring rod 134 from the neck portion side into the barrel portion 23 to form a space pare of at least a predetermined depth in the barrel portion, thereby converting the preform into an intermediate molded product; and a final blow molding step of blow-molding the intermediate molded product within a final blow mold to form a hollow container which is a final molded product.