Apparatus for being positioned on an expandable mandrel

Details Apparatus for being positioned on an expandable mandrel Apparatus for being positioned on an expandable mandrel

1988-04-22

1989-02-07

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 464, 242 72B, 279 2R, B65H 7524, B23B 3140

Patent

active

048026379

ABSTRACT:
An apparatus for being positioned between the outer circumference of an expandable mandrel and the inner circumference of a roll of sheet material. The apparatus includes a plurality of elongated, rigid beam members, each of the beam members having at least one transverse aperture therethrough; and elastic structure extending through the transverse apertures of the beam members for joining the beam members to one another to form an expandable sleeve for being inserted over the outer circumference of the expandable mandrel and for being inserted into the inner circumference of the roll of sheet material.

REFERENCES:
patent: 2829899 (1958-04-01), Drew et al.
patent: 3362721 (1968-01-01), Buck
patent: 3396918 (1968-08-01), Adamson
patent: 3593933 (1971-07-01), Grashorn
patent: 3811632 (1974-05-01), Bassett
patent: 3918652 (1975-11-01), Bassett

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