Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1978-04-21
1980-01-01
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
29 2542, 156462, 156474, 242 561, 270 40, B31F 134
Patent
active
041815521
ABSTRACT:
A machine and a method are disclosed for forming pleated and wound electrical capacitors having a metallized dielectric which is metallized on both sides to form electrodes thereon. The metallized dielectric material is fed from supply rollers and it is pulled tightly over one or more rotatable discs so that it is locked firmly onto the periphery thereof. In one embodiment, three rotatable discs are employed and the center disc projects beyond the other two discs which are aligned at acute angles with respect to the center disc. After the dielectric material leaves these discs, it passes through a low pressure air stream which smooths out the wrinkles in the material. It is then fed under tension around a substantial portion of the periphery of a relatively large winding wheel. A winding mandrel engages a point on the periphery of the winding wheel and receives the free end of the metallized dielectric material so that the pleated metallized dielectric material is still under tension when it is received by the mandrel. The mandrel and the winding wheel are moveable relative to each other as the capacitor builds up on the mandrel. In another alternate version, a fixed mandrel is employed and a second moveable winding wheel is positioned intermediate the first winding wheel and the mandrel in a manner such that tension is maintained on the metallized dielectric material as it is wound onto the mandrel.
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Enstrom Robert V.
Rayburn Charles C.
Beart Robert W.
Bowen Glenn W.
Illinois Tool Works Inc.
Simmons David A.
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