Title:
SAND REMOVAL METHOD AND DEVICE FOR INSIDE OF CYLINDRICAL CAST PRODUCT
Document Type and Number:
Japanese Patent JP2015202518
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To remove sand in a cylinder from a cylindrical cast product 1 without disassembling a frame.SOLUTION: A sand mold 3 including a cast product 1 is configured so that an axial direction of the cast product is vertical, and a drill is rotated and fallen for piercing holes 7 passing inside of a cylinder of the cast product 1 on the sand mold 3, and impact rods 14 coupled to rotation shafts 12 via flexible joints 13 are inserted into the holes 7 of the sand mold 3, and when the rotation shafts 12 are rotated, the flexible joints 13 are bent and the impact joints are shaken, thereby sand in the cylinder of the cast product 1 is broken.
Inventors:
TANAKA YUICHI
SAITOU MIYOSHI
KUROTANI SHINJI
YOSHIDA TOMOHIKO
KIHARA MASARU
SAITOU MIYOSHI
KUROTANI SHINJI
YOSHIDA TOMOHIKO
KIHARA MASARU
Application Number:
JP2014084547A
Publication Date:
November 16, 2015
Filing Date:
April 16, 2014
Export Citation:
Assignee:
MAZDA MOTOR
International Classes:
B22D29/00; B22C9/24; B22D29/04
Domestic Patent References:
JP2005329410A | 2005-12-02 | |||
JPS57171566A | 1982-10-22 | |||
JP2012096278A | 2012-05-24 | |||
JP2005262314A | 2005-09-29 | |||
JP2000301317A | 2000-10-31 | |||
JP2003305560A | 2003-10-28 | |||
JP2003154446A | 2003-05-27 | |||
JP2004337876A | 2004-12-02 | |||
JP2007290008A | 2007-11-08 | |||
JPH10309659A | 1998-11-24 |
Foreign References:
WO2004082870A1 | 2004-09-30 |
Attorney, Agent or Firm:
Maeda patent office