Strip-withdrawal device for metal ribbons to be wound

Details Strip-withdrawal device for metal ribbons to be wound Strip-withdrawal device for metal ribbons to be wound

1979-08-22

1981-12-08

Christian, Leonard D.

Advancing material of indeterminate length

Plural material-moving means

With intermittent material-mover

72183, B65H 1742

Patent

active

043043461

ABSTRACT:
A strip-withdrawal device for producing back tension in a plurality of metal ribbons to be wound, with at least one travelling-wave linear motor for producing the back tension, the linear motor being subject to preliminary bending against the bending forces occurring during operation, which preliminary bending is desired during operation, so that the gap between the linear motor and the plane of the strip remains of equal size over the width and thus also the braking forces acting on each ribbon.

REFERENCES:
patent: 3380686 (1968-04-01), Gaudin

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