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US 2014/0352137 A1Published application
Method for manufacturing an electromagnetic relay
AssigneeFujitsu Component Limited
InventorsKoyuru KOBAYASHI, Satoshi Takano
Life of this patent
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Abstract
A method for manufacturing an electromagnetic relay includes: forming an iron core that has an end face and a groove which goes across the end face; fitting a shading coil that is fitted in the groove; and fixing the shading coil to the iron core by applying caulking processing to a plurality of areas in the end face which sandwich the groove.
Claims8
A method for manufacturing an electromagnetic relay comprising:
- fitting a shading coil in a groove which goes across an end face of an iron core;
- and
- fixing the shading coil to the iron core by applying caulking processing to a plurality of areas in the end face which sandwich the groove.
A method for manufacturing an electromagnetic relay comprising:
- fitting a shading coil in a groove which goes across an end face of an iron core;
- and
- fixing the shading coil to the iron core by applying caulking processing to the end face while supporting the iron core from a radial direction of the end face.
A method for manufacturing an electromagnetic relay comprising:
- fitting a shading coil in a groove which goes across an end face of an iron core;
- fixing the shading coil to the iron core by applying caulking processing the end face;
- and
- flattening the end face.
1 more element
Dependencies are inferred from the claim text.