Title:
METHOD FOR MANUFACTURING INJECTION STRETCH BLOW CONTAINER
Document Type and Number:
Japanese Patent JP2021024163
Kind Code:
A
Abstract:
To provide a method for manufacturing a container not allowing a container to puncture, and capable of obtaining a container having good thickness uniformity, excellent in uniformity of surface skin, and excellent in chemical resistance property, ESCR of the bottle and the like, in forming a polyethylene injection stretch blow container.SOLUTION: A method for manufacturing an injection stretch blow container has the steps of: using a specific polyethylene resin, and forming a preform through injection molding at an injection temperature of 180-280°C of the polyethylene resin; and stretch blowing the preform at a temperature of crystallization temperature of the polyethylene resin or higher. A blowing pressure during the stretch blowing is a pressure of 0.05-4 MPa.SELECTED DRAWING: Figure 1
Inventors:
HINO TOSHITOMO
Application Number:
JP2019142451A
Publication Date:
February 22, 2021
Filing Date:
August 01, 2019
Export Citation:
Assignee:
JAPAN POLYETHYLENE CORP
International Classes:
B29C49/78; B29C49/06; C08L23/06; C08L23/08
Domestic Patent References:
JP2015178276A | 2015-10-08 | |||
JP2017179256A | 2017-10-05 | |||
JP2003096133A | 2003-04-03 | |||
JP2010047677A | 2010-03-04 | |||
JPS59140033A | 1984-08-11 |
Attorney, Agent or Firm:
Kishimoto Tatsuto
Akihiko Yamashita
Noriyuki Yamamoto
Akihiko Yamashita
Noriyuki Yamamoto