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Title:
MOLD PRESS FORMING DIE AND MOLDED ARTICLE MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2008/053860
Kind Code:
A1
Abstract:
A molded article is highly accurately press-formed by extremely facilitating horizontal shift of a forming die on a die holding member and highly accurately maintaining an upper die and a lower die coaxial. The mold press forming die is provided with a pair of upper and lower dies (10, 20) having forming surfaces (11, 21) in discretionary shapes; a body die (30) wherein the upper and lower dies (10, 20) are coaxially inserted with their forming surfaces (11, 21) facing each other; a lower die holding member (25) for holding the lower die (20) by permitting the lower die to move in the horizontal direction; and a plurality of rolling members (60) which are arranged between the lower die (20) and the lower die holding member (25) and roll with shift of the lower die (20) in the horizontal direction.

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Inventors:
SATOU KOUICHI (JP)
ZOU XUEL (JP)
Application Number:
PCT/JP2007/071068
Publication Date:
May 08, 2008
Filing Date:
October 30, 2007
Export Citation:
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Assignee:
HOYA CORP (JP)
SATOU KOUICHI (JP)
ZOU XUEL (JP)
International Classes:
C03B11/16; G02B3/00
Foreign References:
JP2003048728A2003-02-21
JP2006137614A2006-06-01
JP2006219316A2006-08-24
JP2007302484A2007-11-22
Attorney, Agent or Firm:
WATANABE, Kihei (26 Kanda Suda-cho 1-chome, Chiyoda-k, Tokyo 41, JP)
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