Hot strip coiling mandrel

Details Hot strip coiling mandrel Hot strip coiling mandrel

1977-05-03

1978-08-22

Combs, E. M.

Metal deforming

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

To form spiral coil

242 721, B21C 4730, B65H 7524

Patent

active

041079698

ABSTRACT:
A hot strip coiling mandrel has a mechanism for engaging a plurality of equally circumferentially divided drum segments about a core shaft and for moving the core shaft or the drum segments relatively axially to thereby radially expand and collapse the drum defined by the segments. Top marks caused at the leading coil end of a hot strip by the use of such a mandrel are prevented by the provision of a buffer between the core shaft and each of the drum segments.

REFERENCES:
patent: 2920837 (1960-01-01), Wingard
patent: 3085763 (1963-04-01), Floyd
patent: 3086728 (1963-04-01), Martt
patent: 3107875 (1963-10-01), Gochenour et al.
patent: 3658274 (1972-04-01), Adair
patent: 3820736 (1974-06-01), Moor
patent: 3881666 (1975-05-01), Greenhalgh

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