Machine for winding strip material

Details Machine for winding strip material Machine for winding strip material

1980-04-21

1981-05-05

McCarthy, Edward J.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 672, 242 7552, B65H 3916, B65H 1702

Patent

active

042654106

ABSTRACT:
A pair of very thin dielectric films, each completely metallized on one side, are positively advanced over a pair of drums of a machine while the films are laser scribed and slit to form two sets of film strips each of which has a laser scribed capacitor plate formed thereon. The film strips forcibly emanating from the drums pass through a number of tension responsive devices and are wound on one of a pair of successively positioned takeup split mandrels. A compensating mechanism is included in one of the drum drives to vary the speed of the drums to compensate for the difference in diameters of the wound convolutions of one set of film strips with respect to the other set so that a succession of capacitor blanks are snugly wound with consistent geometric size and capacitance value.

REFERENCES:
patent: 3030912 (1962-04-01), McGraw
patent: 3201056 (1965-08-01), Fanning
patent: 3432901 (1969-03-01), Fanning
patent: 3787690 (1974-01-01), Neff
patent: 3815188 (1974-06-01), Pietro
patent: 4003112 (1977-01-01), Miller
patent: 4229865 (1980-10-01), Fanning

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