Title:
CAST STRUCTURE OF PRODUCTION EQUIPMENT
Document Type and Number:
Japanese Patent JP2002086324
Kind Code:
A
Abstract:
To provide a cast structure for production equipment capable of reducing man hours for production and production cost.
In a cast structure 2 for production equipment which is cast with a core made of foundry sand arranged and then the foundry sand is discharged from a hole 21a as cast, resulting in the formation of an internal space 23, the improvement comprising the provision of closing means 30 and 40 in the hole 21a as cast for preventing the foundry sand left in the internal space 23 from leaking. Much man hours for removing and discharging foundry sand can be reduced by providing the closing means and production cost for the cast structure can be reduced.
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Inventors:
NINOMIYA AKIMASA
ISOTANI HIDEYASU
KATO MAMORU
SUZUKI FUMIO
SASAKI HITOSHI
SAKAI JUICHI
IIDA KENJI
KONDO MANABU
ISOTANI HIDEYASU
KATO MAMORU
SUZUKI FUMIO
SASAKI HITOSHI
SAKAI JUICHI
IIDA KENJI
KONDO MANABU
Application Number:
JP2000279257A
Publication Date:
March 26, 2002
Filing Date:
September 14, 2000
Export Citation:
Assignee:
TOYODA MACHINE WORKS LTD
International Classes:
B23Q1/00; B22D29/00; B23Q1/01; (IPC1-7): B23Q1/01; B22D29/00
Attorney, Agent or Firm:
Hiroshi Okawa