Title:
SUPPORTING STRUCTURE OF SAND CORE FOR CYLINDER BLOCK
Document Type and Number:
Japanese Patent JP3599279
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To nicely cast a cylinder block having high precision by effectively preventing damage of a sand core at the casting time.
SOLUTION: A supporting structure for supporting the sand core in a metallic mold is provided with a first supporting part 26. This first supporting part 26 is constituted of the sand core and provided with an almost triangular-shaped foot part 38 having three flattened surfaces 46a-46c in the cross section shape and the foot part 38 is housed into a recessed part 48 formed in a movable mold 18. Positioning support of the sand core is performed by supporting the flattened surfaces 46a-46c at three parts with flattened projecting parts 50a-50c arranged on the wall surface 48a of the recessed part 48.
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Inventors:
Tetsuji Umemoto
Mitsuaki Ueno
Shigemitsu Nakabayashi
Mitsuaki Ueno
Shigemitsu Nakabayashi
Application Number:
JP2001394132A
Publication Date:
December 08, 2004
Filing Date:
December 26, 2001
Export Citation:
Assignee:
Honda motor industry stock company
International Classes:
F02F1/00; B22C9/10; B22C9/24; B22D18/02; F02F1/10; (IPC1-7): B22C9/10; B22C9/24; B22D18/02; F02F1/00; F02F1/10
Domestic Patent References:
| JP8066744A | ||||
| JP2648865B2 |
Attorney, Agent or Firm:
Takehiro Chiba
Tatsuhiko Sato
Tatsuhiko Sato