Title:
METHOD AND DEVICE FOR SHAKING OUT CORE SAND
Document Type and Number:
Japanese Patent JP2940339
Kind Code:
B2
Abstract:
PURPOSE: To quickly and easily remove core sand from a hollow part by quickly collapsing the core in the hollow part of a cast product without occurrence of noise and dust and without needing heat radiation from the cast product.
CONSTITUTION: The cast product 3 which is cast with a shell mold 2 taken out from a metallic mold in the high temp. condition is dipped into a water vessel 14 having a cover in the condition of holding with a clamp cage 16 providing a water permeable cover 16a after casting by using the shell mold core. The core is crushed by explosive boiling generated in between the surface of the hollow part in the cast product 3 and the core to remove the core sand.
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Inventors:
MYAMOTO TAIJI
TSUJITA KENJIRO
TSUJITA KENJIRO
Application Number:
JP5407693A
Publication Date:
August 25, 1999
Filing Date:
March 15, 1993
Export Citation:
Assignee:
NITSUSAN JIDOSHA KK
International Classes:
B22D29/00; (IPC1-7): B22D29/00
Domestic Patent References:
| JP6427767A | ||||
| JP62134164A | ||||
| JP5261518A | ||||
| JP584561A |
Attorney, Agent or Firm:
Yutaka Oshio