SAND CORE FOR CYLINDER BLOCK AND ITS SUPPORTING STRUCTURE

Title:

SAND CORE FOR CYLINDER BLOCK AND ITS SUPPORTING STRUCTURE

Document Type and Number:

Japanese Patent JP2003191050

Kind Code:

A

Abstract:

To nicely cast a cylinder block having high precision by effectively preventing damage of a sand core at the casting time.

A supporting structure 10 is provided with the first and the second supporting parts 26, 28. This first supporting part 26 is provided with an engaging hole 46 formed at a foot part 38 in the sand core 34 and a pin member 48 fitted to this engaging hole 46. The head part 52 of the pin member 48 is brought into contact with three points in a recessed part 54 and supported by housing the head part into the recessed part 54 in a movable mold 18. Then, the sand core 34 is positioned in a cavity 24.

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Inventors:

UMEMOTO TETSUJI
NAGATA MAKOTO
OWADA KENJI

Application Number:

JP2001394153A

Publication Date:

July 08, 2003

Filing Date:

December 26, 2001

Export Citation:

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Assignee:

HONDA MOTOR CO LTD

International Classes:

F02F1/00; B22C9/10; B22C9/24; B22D17/00; B22D17/22; B22D18/02; F02F1/10; (IPC1-7): B22C9/10; B22C9/24; B22D17/22; B22D18/02; F02F1/00; F02F1/10

Attorney, Agent or Firm:

Takehiro Chiba (1 outside)

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