Title:
PRODUCTION OF PACKAGING VESSEL HAVING LOW DEGREE OF BACTERIAL CONTAMINATION
Document Type and Number:
Japanese Patent JP2000313075
Kind Code:
A
Abstract:
To economically produce a packaging vessel which has a low degree of bacterial contamination and a structure capable of performing sterilizing treatment easily and rapidly.
A sheet, in which at least one hand of paper and plastic material is laminated, is formed into a cylindrical vessel blank 1. The edge wall 6 of the top is formed by injection molding of thermoplastic material at about 200°C. Thereafter, the inside of the vessel is subjected to sterilizing treatment by a chemical sterilizing agent or ultraviolet irradiation or both thereof and prescribed contents are filled and sealed.
Inventors:
BENTZ CHRISTER
ANDERSSON MATTS
ANDERSSON MATTS
Application Number:
JP2000119084A
Publication Date:
November 14, 2000
Filing Date:
April 20, 2000
Export Citation:
Assignee:
TETRA LAVAL HOLDINGS & FINANCE
International Classes:
A61L2/20; B31B1/60; B31B3/60; B65B3/02; B65B55/08; B65B55/10; B65D5/12; (IPC1-7): B31B1/60; B31B3/60; B65B55/08; B65B55/10; B65D5/12
Domestic Patent References:
| JPH1159629A | 1999-03-02 | |||
| JPS58114941A | 1983-07-08 | |||
| JPS5232764A | 1977-03-12 | |||
| JPH09136350A | 1997-05-27 |
Attorney, Agent or Firm:
Akira Asamura (3 outside)