Driven mandrel and method

Details Driven mandrel and method Driven mandrel and method

1978-10-12

1980-07-15

Combs, Ervin M.

Metal deforming

By deflecting successively-presented portions of work during...

To form spiral coil

296231, 29731, B21C 4702

Patent

active

042121795

ABSTRACT:
A mandrel useful in the spiral winding of flexible strip members is described including a pair of juxtaposed curvilinear perimetric driving portions which are offset laterally relative to one another and which have a slot or slots for receiving the elements to be wound. A process and winder are also described for the spiral winding of the strip members into a coiled element, e.g., a coiled capacitor or spirally wound battery cell pack.

REFERENCES:
patent: 147679 (1874-02-01), Nichols et al.
patent: 317487 (1885-05-01), Barrier et al.
patent: 2212243 (1940-08-01), Paul
patent: 3153180 (1964-10-01), Bellmore
patent: 4064725 (1977-12-01), Hug et al.
patent: 4099401 (1978-07-01), Hug et al.

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