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Patent Searching and Data

Document Type and Number:
Japanese Patent JP3342762
Kind Code:
PURPOSE:To obtain a foamed container uniform in wall thickness distribution and foaming by heating a container composed of a laminated sheet immtediately before shaping at the time of the molding of the container so as to provide a specific temp. difference between the high temp. outer surface and low temp. inner surface thereof and holding a sheet foamed state or holding secondary foaming or partial foaming or partialy performing secondary foaming. CONSTITUTION:Immediately before shaping at the time of the molding of a container, the outer surface of the container composed of a laminated sheet is heated to high temp. and the inner surface thereof is heated to low temp. to perform molding at temp. such that the surface temp. difference (x) between the outer and inner surfaces of the container becomes 10 deg.C

Ikuya Ishii
Ryuji Moriwaki
Tetsuro Yasuike
Application Number:
Publication Date:
November 11, 2002
Filing Date:
December 27, 1993
Export Citation:
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Idemitsu Petrochemical Co., Ltd.
International Classes:
B29C44/00; B29C51/10; B29C51/14; B29D22/00; B32B1/02; B32B7/06; B32B19/02; B32B27/30; B32B27/32; B65D1/00; B65D1/09; B65D1/40; B32B5/18; B29K105/04; B29L22/00; (IPC1-7): B29D22/00; B29C44/00; B29C51/10; B29C51/14; B32B1/02; B32B5/18; B32B7/06; B32B19/02; B32B27/30; B32B27/32; B65D1/09; B65D1/40
Domestic Patent References:
Attorney, Agent or Firm:
Tokuro Kubota (1 outside)