Method of making magnetic cores

Details Method of making magnetic cores Method of making magnetic cores

1986-08-01

1989-02-14

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

242703, 242 711, 336213, 336234, H01F 4102

Patent

active

048037737

ABSTRACT:
Magnetic cores are manufactured from preforms of magnetically permeable strip material wrapped about non-magnetic supports. The preforms have configurations, such as an X-configuration, that determine the placement and helix angle of convolutions of the strip material that constitute the cores. In a preferred embodiment, corresponding ends of the legs of an X-configuration preform are placed upon a support, and the preform is wrapped about the support so as to form two superposed layers of convolutions, with the convolutions of corresponding portions of the layers having opposite helix angles.

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patent: 2916696 (1959-12-01), Schonstedt
patent: 2981885 (1961-04-01), Schonstedt
patent: 3168696 (1965-02-01), Schonstedt
patent: 3399365 (1968-08-01), Vadim
patent: 3996086 (1976-12-01), Worrall
patent: 4012706 (1977-03-01), Westendorp
patent: 4188599 (1980-02-01), Papa

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