Title:
MANUFACTURE OF VESSEL MAIN BODY MADE OF PLASTIC
Document Type and Number:
Japanese Patent JPH05253999
Kind Code:
A
Abstract:
PURPOSE: To obtain a tall vessel main body made of plastic.
CONSTITUTION: Parison 25 is extruded between halved molds 22a, 22b through a die 21 of an extruding machine 20. The parison 25 is blow-molded within the molds 22a, 22b and a blow-molded product 26 possessing a protrusion 27 projecting outward in a radial direction is made. The protrusion 27 of the blow- molded product 26 is cut off along a horizontal section 30, an opening end part 32 is pressed between a press bottom force 28 and press top force 29 and a vessel main body 14 possessing a flange part 15 is obtained.
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Inventors:
Yamashita Rikiya
Application Number:
JP5190992A
Publication Date:
October 05, 1993
Filing Date:
March 10, 1992
Export Citation:
Assignee:
Dai Nippon Printing Co.,Ltd.
International Classes:
B29C49/04; B29C49/42; B29C69/00; B29D22/00; B65D1/00; B65D1/09; B29L22/00; (IPC1-7): B29C49/04; B29C49/42; B29C69/00; B29D22/00; B65D1/09
Attorney, Agent or Firm:
Kazuo Sato (3 others)