Apparatus for manufacturing corner springs

Details Apparatus for manufacturing corner springs Apparatus for manufacturing corner springs

1975-06-09

1976-02-10

Larson, Lowell A.

Wireworking

Article making or forming

Electric lamp or electric space discharge device electrode

140 1, B21F 3500

Patent

active

039372561

ABSTRACT:
An apparatus for manufacturing corner springs which comprises a pair of spring leg-forming mechanisms for folding both ends of a wire several times to provide spring legs at said ends; a pair of heat-treating devices for heat-treating a wire having spring legs formed at both ends; and a pair of spring leg-bending mechanisms for bending the heat-treated spring legs.

REFERENCES:
patent: 3245433 (1966-04-01), Taylor
patent: 3438237 (1969-04-01), Sisler
patent: 3872896 (1975-03-01), Yoshimura

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