Title:
RARE EARTH BONDED MAGNET
Document Type and Number:
Japanese Patent JPH0547525
Kind Code:
A
Abstract:
PURPOSE: To prevent the crumbling of a magnet by having the prescribed rigidity, and to obtain the magnetic force necessary to maintain the usefulness of a rare earth bonded magnet.
CONSTITUTION: The blending ratio of magnetic powder for the whole of the title magnet is suppressed to 96wt.%, which is the limit value of filling rate, or smaller, and it is set at 55wt.% or higher which is the limit value at which no shortage of magnetic force is generated. generated.
Inventors:
ISHIKAWA MASAYUKI
DOBASHI YASUHIKO
SAKAMAKI HIROTAKA
DOBASHI YASUHIKO
SAKAMAKI HIROTAKA
Application Number:
JP22492791A
Publication Date:
February 26, 1993
Filing Date:
August 09, 1991
Export Citation:
Assignee:
SANKYO SEIKI SEISAKUSHO KK
International Classes:
C22C33/02; C22C38/00; H01F1/053; H01F1/08; (IPC1-7): C22C33/02; C22C38/00; H01F1/053; H01F1/08
Domestic Patent References:
| JPH02215814A | 1990-08-28 | |||
| JPS6389608A | 1988-04-20 | |||
| JPH0228901A | 1990-01-31 | |||
| JPS61174364A | 1986-08-06 |
Attorney, Agent or Firm:
Yoshio Ishibashi (1 person outside)
Next Patent: JPS547526