Title:
MOLDING METHOD FOR STATOR IN STEPPING MOTOR
Document Type and Number:
Japanese Patent JPH0654511
Kind Code:
A
Abstract:
PURPOSE: To stabilize the accuracy of a product by preventing the deformation of a stator by the injection pressure during the molding.
CONSTITUTION: A plurality of protuberances P are provided on each topside of the slide molds 8, 9, 10, and 11 for molding the stators 1, 2, 3, and 4 of a stepping motor in combination. Each protuberance P bears the bottom of each flange 1a and 3a of the stators 1 and 3, and prevents the flange from bending by the injection pressure of resin.
Inventors:
HARA KEIICHI
ICHIZAWA HIROYUKI
ICHIZAWA HIROYUKI
Application Number:
JP20270092A
Publication Date:
February 25, 1994
Filing Date:
July 29, 1992
Export Citation:
Assignee:
MITSUMI ELECTRIC CO LTD
International Classes:
H02K15/12; H02K37/14; (IPC1-7): H02K37/14; H02K15/12
Attorney, Agent or Firm:
Takayoshi Hayashi
Next Patent: BEARING DEVICE OF STEPPING MOTOR