Method and arrangement for winding capacitors

Details Method and arrangement for winding capacitors Method and arrangement for winding capacitors

1977-11-16

1980-02-26

Mautz, George F.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 684, 242 74, 242 81, H01G 1302, H01G 700

Patent

active

041902106

ABSTRACT:
A method of winding a film onto a mandrel for forming a capacitor in which the mandrel remains inside of the latter comprising the steps of placing a free end portion of a film onto the mandrel but without securing it to the same, and winding this free end portion onto the mandrel, superposing a displaceable element over the wound portion of the film so as to retain the latter on the mandrel, rotating the mandrel while the displaceable element retains the wound portion on the film so as to wind a remainder portion of the film onto the mandrel, and withdrawing the displaceable element from the film wound on the mandrel. An arrangement for winding a film onto a mandrel so as to form a capacitor comprises elements for rotatably supporting a mandrel onto which a film is to be wound, element for rotating the mandrel so as to wind the film onto the latter, and a retaining element displaceable between a first position in which it is superposed over an initial portion of the film wound onto the mandrel during subsequent winding of the additional portions of the film onto the latter, and a second position in which the retaining element is withdrawn from the film wound on the mandrel.

REFERENCES:
patent: 1841628 (1932-01-01), Pickard
patent: 3401900 (1968-09-01), Lutz

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