Invention Grant
- Patent Title: Method to move an upper mold in relation to a lower mold in a permanent mold casting machine and the permanent mold casting machine used for the method
- Patent Title (中): 在永久铸模机中使上模相对于下模移动的方法和用于该方法的永久模铸机
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Application No.: US12595136Application Date: 2008-03-28
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Publication No.: US08261809B2Publication Date: 2012-09-11
- Inventor: Fumikazu Shiose , Tetsuji Matsui , Yutaka Murata
- Applicant: Fumikazu Shiose , Tetsuji Matsui , Yutaka Murata
- Applicant Address: JP Aichi
- Assignee: Sintokogio, Ltd.
- Current Assignee: Sintokogio, Ltd.
- Current Assignee Address: JP Aichi
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
- Priority: JP2007-102025 20070409
- International Application: PCT/JP2008/056108 WO 20080328
- International Announcement: WO2008/126704 WO 20081023
- Main IPC: B22D18/04
- IPC: B22D18/04

Abstract:
A method for moving an upper mold against a lower mold in a mold casting machine having a mold clamping mechanism attached to a lifting and lowering frame. The mechanism has an upper mold lifting and lowering device that assembles and separates the upper and lower molds by lifting and lowering the upper mold relative to the lower mold and the frame. A space for a setting a core and for taking out products is formed between the upper and lower molds by lifting the device relative to the frame, and by lifting the frame relative to the lower mold. Then the frame is lowered until the upper mold comes close to the lower mold. Thereafter the upper mold is lowered by the device to form an assembled mold, molten metal is introduced into the mold and after the metal has solidified the upper mold is lifted by the device, all while the frame is kept fixed relative to the lower mold.
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