Method for the production of a coil body with connecting pins in

Details Method for the production of a coil body with connecting pins in Method for the production of a coil body with connecting pins in

1977-03-18

1979-01-23

Lanham, C.W.

Metal working

Method of mechanical manufacture

Electrical device making

336192, 264274, 295274, 295271, H01H 4900

Patent

active

041352971

ABSTRACT:
A method of manufacturing injected-molded coil cores having connecting pins embedded in radially extending thin core flanges wherein the cores are formed in a mold having a parting line in the area of desired placement of the pins, the pins are placed into the mold at the time of mold closure and one of the mold faces is equipped with a projecting striker which engages and bends the pin during mold closure, the mold thereafter being filled with injection material which at least partially surrounds the bent portion of the pin while forming the flange embedding portions of the pin, including the bent portion, in the flange.

REFERENCES:
patent: 2963678 (1960-12-01), Wolf et al.
patent: 3090996 (1963-05-01), Reichenbach et al.
patent: 3207832 (1965-09-01), Patti et al.
patent: 3258728 (1966-06-01), Wiley et al.
patent: 3389461 (1968-06-01), Hardardt
patent: 3445797 (1969-05-01), Otto
patent: 3574929 (1971-04-01), Michik
patent: 3613223 (1971-10-01), Bush
patent: 3875654 (1975-04-01), Ushijima
patent: 4010435 (1977-03-01), Shigehara

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