Title:
COMPRESSION MOLDING METHOD AND COMPRESSION MOLDING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2010/032678
Kind Code:
A1
Abstract:
Provided are a compression molding method and a compression molding apparatus by which compression molding of a cup-like product can be performed as required without needing an excessive compression pressure even when the product is relatively large or the side wall thereof is desired to be sufficiently thin. The compression molding of the bottom wall of the cup-like product and the main portion thereof except the tip portion of the side wall and the compression molding of the tip portion of the side wall thereof are separately performed, and the compression molding of the tip portion of the side wall is performed after the compression molding of the bottom wall and the main portion except the tip portion of the side wall.
Inventors:
HIROTA NORIHISA (JP)
ASANO YUTAKA (JP)
NAGAO JOTARO (JP)
AZUMA TOSHIFUSA (JP)
ASANO YUTAKA (JP)
NAGAO JOTARO (JP)
AZUMA TOSHIFUSA (JP)
Application Number:
PCT/JP2009/065850
Publication Date:
March 25, 2010
Filing Date:
September 10, 2009
Export Citation:
Assignee:
TOYO SEIKAN KAISHA LTD (JP)
HIROTA NORIHISA (JP)
ASANO YUTAKA (JP)
NAGAO JOTARO (JP)
AZUMA TOSHIFUSA (JP)
HIROTA NORIHISA (JP)
ASANO YUTAKA (JP)
NAGAO JOTARO (JP)
AZUMA TOSHIFUSA (JP)
International Classes:
B29C43/14; B29C43/36
Domestic Patent References:
| WO2008032841A1 | 2008-03-20 |
Foreign References:
| JPS5342621Y2 | 1978-10-13 | |||
| JPS6290210A | 1987-04-24 |
Attorney, Agent or Firm:
ONO, Hisazumi et al. (JP)
Ono Pure in addition (JP)
Ono Pure in addition (JP)
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