Electromagnetic actuators and method for producing the same

Details Electromagnetic actuators and method for producing the same Electromagnetic actuators and method for producing the same

1987-02-11

1988-02-16

Sever, Frank

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264277, B29C 4500, H02K 118

Patent

active

047253967

ABSTRACT:
A method for producing an electromagnetic actuator which includes a pair of member which are opposite to each other on the flat faces thereof for relative movement, a plurality of grooves formed concentrically in the flat face of one of said members opposite to the other for receiving a plurality of endless coils, and a plurality of endless coils received in said plurality of grooves, and further includes a communication hole formed in one of said pair of member to make communication between said grooves and having an inlet port for resin pouring, and resin integrally poured in between said plurality of coils and said plurality of grooves and in said communication hole, wherein; (a) a method having a projection is placed on the upper portion of said coil-receiving grooves, when resin is poured form said inlet port, and (b) the projection of said mold is engaged with said plurality of coils to keep them in place.

REFERENCES:
patent: 4357292 (1982-11-01), Myers
patent: 4419177 (1983-12-01), Pryor et al.
patent: 4470786 (1984-09-01), Sano et al.
patent: 4611392 (1986-09-01), Bell
patent: 4628809 (1986-12-01), Das et al.
patent: 4656733 (1987-04-01), Maenishi
patent: 4678616 (1987-07-01), Kawashima

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