Expandable mandrel reel

Details Expandable mandrel reel Expandable mandrel reel

1977-10-14

1978-12-26

McCarthy, Edward J.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 7518

Patent

active

041312406

ABSTRACT:
The invention refers to an expandable mandrel reel to coil strip-like rolling material, particularly hot strip, with an inner mandrel shaft, as well as several expanding segments affixed to the latter. The segments are spread by activating a tie rod, and are supported on several wedge faces on the mandrel shaft and rising in the longitudinal direction of the shaft. Means are provided for keeping the expanding segments in place against centrifugal force.

REFERENCES:
patent: 3104849 (1963-09-01), Bond
patent: 3298627 (1967-01-01), Sturdy
patent: 3300157 (1967-01-01), Koreishi
patent: 3666194 (1972-05-01), Gosnell

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