Title:
LOCAL PRESSURIZATION DEVICE, MOLDING MACHINE, AND MOLDING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/074851
Kind Code:
A1
Abstract:
A local pressurization device 2 comprises: a pressurization member 41 that has the front end exposed to a space 107 in a mold 101; and a drive part 45 that applies a forward force to the pressurization member 41. The pressurization member 41 is positioned at an initial position forward of a backward limit when molten metal reaches the position of the pressurization member 41, and is pushed backward from the initial position by the molten metal.
Inventors:
YOSHIDA HIROSHI (JP)
TSUJI MAKOTO (JP)
NODA SABURO (JP)
TSUJI MAKOTO (JP)
NODA SABURO (JP)
Application Number:
PCT/JP2022/040393
Publication Date:
May 04, 2023
Filing Date:
October 28, 2022
Export Citation:
Assignee:
SHIBAURA MACHINE CO LTD (JP)
International Classes:
B22D17/22; B22D17/04; B22D17/32; B22D18/02; B29C45/02; B29C45/03; B29C45/37; B29C45/56; B29C45/57; B29C45/77
Foreign References:
| JPH0385155U | 1991-08-28 | |||
| JPH0222252U | 1990-02-14 | |||
| JP2019013933A | 2019-01-31 | |||
| JP2021020224A | 2021-02-18 | |||
| JPS52113810U | 1977-08-30 | |||
| JP2016203197A | 2016-12-08 |
Attorney, Agent or Firm:
IIJIMA, Yasuhiro (JP)
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