Title:
PRESS MOLDING MOLD
Document Type and Number:
Japanese Patent JP2014124683
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a press molding mold in which a molding product without a wrinkle and a crack can be manufactured stably.SOLUTION: In a press molding mold 1 which includes a punch 3 having a mold surface 3a, and a die 2 and a blank holder 4 which are movable up and down relatively against the punch 3, and in which contraction molding is applied to a blank material B by pressing the blank material B to the mold surface 3a of the punch 3, while holding the edge parts of the blank material B by pressing surfaces 21, 41 mounted at the die 2 and the blank holder 4. A filling space 42 to be filled with a working fluid F is provided at least inside the die 2 and the blank holder 4, and the height of the pressing surfaces 21, 41 is changeable by the pressure of the working fluid F filled into the filling space 42.
Inventors:
HIROZAWA SHUGO
KORESHIGE MAKOTO
KORESHIGE MAKOTO
Application Number:
JP2012285699A
Publication Date:
July 07, 2014
Filing Date:
December 27, 2012
Export Citation:
Assignee:
DAIHATSU MOTOR CO LTD
International Classes:
B21D24/08; B21D24/14
Domestic Patent References:
| JPH02205211A | 1990-08-15 | |||
| JPS59179239A | 1984-10-11 | |||
| JP2009279626A | 2009-12-03 | |||
| JPS53162134U | 1978-12-19 | |||
| JPS60126220U | 1985-08-24 | |||
| JPS6015426U | 1985-02-01 |
Attorney, Agent or Firm:
Kunihiko Shiromura
Tsuyoshi Kumano
Yusuke Noguchi
Tsuyoshi Kumano
Yusuke Noguchi