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Title:
CONTAINER MADE OF STYRENIC RESIN FOAMED SHEET HAVING CURLED MOUTH PART AND PRODUCTION THEREOF
Document Type and Number:
Japanese Patent JPH09104066
Kind Code:
A
Abstract:

To obtain a palatable and safe container made of styrenic resin foamed sheet having a mouth part high in strength and production thereof by applying bending curl processing to an opening flange by using a conventional curl device.

A styrenic resin foamed sheet is thermally molded to form a container main body 11 and the opening lid 14 having the part expanding in parallel to the bottom surface of the container main body provided to the outer periphery of the opening part of the container main body and the opening flange is subjected to curl treatment to form a container having a mouth part 23 formed thereto. In this container, the annular member 24 having the mouth outer peripheral shape of the container main body is involved when the opening flange is subjected to curl processing to form the mouth part.


Inventors:
FUJIWARA YUJI
KOBAYASHI SHIGERU
Application Number:
JP26191195A
Publication Date:
April 22, 1997
Filing Date:
October 09, 1995
Export Citation:
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Assignee:
KANEGAFUCHI CHEMICAL IND
International Classes:
B29C57/12; B29K25/00; B29K105/04; B29L22/00; (IPC1-7): B29C57/12
Attorney, Agent or Firm:
Takao Yanagino