Method and apparatus for forming sinuous lead wire

Details Method and apparatus for forming sinuous lead wire Method and apparatus for forming sinuous lead wire

1984-12-24

1988-05-10

Larson, Lowell A.

Metal deforming

By use of 'flying tool' engaging moving work

Included in plural deforming stations or passes

72191, B21F 0104

Patent

active

047427051

ABSTRACT:
There are disclosed a method and apparatus for forming a sinuous lead wire (30) used for efficiently obtaining U-shaped lead wires (5) which serve as a lead wire material for a ceramic capacitor (1) having two terminal lead wires (3, 4). For forming such sinuous lead wire, first and second pin series (23, 24, 70, 71) are used which comprise respective pluralities of pins (21, 22, 63, 64) arranged with an equal pitch and which are arranged in two rows shifted by a half pitch from each other. Each pin series is moved in such a manner that each pin in one series enters between two adjacent pins in the other series. As a result of such pin movement, a material lead wire disposed between the first and second pin series is sinuously deformed.

REFERENCES:
patent: 2169420 (1939-08-01), Jacobs
patent: 3064694 (1962-11-01), Brook et al.
patent: 3561500 (1971-02-01), Rentz et al.
patent: 4444227 (1984-04-01), Gott et al.

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