公开(公告)号：US3895900A

公开(公告)日：1975-07-22

申请号：US44434174

申请日：1974-02-21

Applicant: STANDARD OIL CO OHIO

Inventor： HEROLD ALBERT J ,  KOCH PAUL E ,  ADAMS RICHARD C

IPC: B29C65/00 ,  B29B11/10 ,  B29C47/28 ,  B29C49/00 ,  B29C49/04 ,  B29C49/78 ,  B29D23/04

CPC classification number: B29C47/28 ,  B29C47/0023 ,  B29C47/0026 ,  B29C47/20

Abstract: An improved plastic extrusion blow molding die head is described which permits the formation of extruded parisons having controlled wall thickness by partial restriction of the entering flow of the molten plastic material into the die head.

Abstract translation: 描述了改进的塑料挤出吹塑成型模头，其允许通过部分地限制熔融塑料材料进入模头的进入流而形成具有受控壁厚的挤出型坯。