Clamping mandrel and stripping combination for a core sleeve of

Details Clamping mandrel and stripping combination for a core sleeve of Clamping mandrel and stripping combination for a core sleeve of

1991-02-26

1992-06-23

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 81, B65H 1606

Patent

active

051236044

ABSTRACT:
An ejector ring (18) surrounds an axially movable mandrel (6), on which a core sleeve or tube (19) for a paper web roll, for example a newsprint roll, can be supported. The ejector ring is resiliently supported on the holder structure, for example on a holder arm (1) and surrounds the mandrel, and is movable parallel to the mandrel. The structure is space-saving, provides for secure retention of the mandrel and is thereby capable of supporting heavy paper rolls, while providing for reliable stripping of core sleeves off the mandrel upon retraction of the mandrel into the holder structure, for example for exchange of a paper roll.

REFERENCES:
patent: 4715553 (1987-12-01), Hatakeyama
patent: 4951894 (1990-08-01), Young et al.

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