Method for the manufacture of finished self-stabilizing resistor

Details Method for the manufacture of finished self-stabilizing resistor Method for the manufacture of finished self-stabilizing resistor

1992-02-14

1993-08-31

Echols, P. W.

Metal working

Method of mechanical manufacture

Electrical device making

29612, 338 22R, 338332, H01C 1728

Patent

active

052397459

ABSTRACT:
For the manufacture of finished, self-stabilizing resistors, i.e. provided with leads, having PTC elements as the active parts, as well as such resistors, particularly on coil windings, such as those of electric motors, the invention provides a method according to which on a metallic carrier strip contact and top surfaces for the PTC elements are punched, a PTC element is placed and fixed to each contact surface, the top surface is bent over the PTC element, the contact and top surfaces are provided with leads and the top and contact surfaces are separated from the remaining carrier strip.

REFERENCES:
patent: 2659871 (1953-11-01), Berg
patent: 3117297 (1964-01-01), De Gier
patent: 3322655 (1967-05-01), Garibotti et al.
patent: 4926542 (1990-05-01), Bougger

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