Device for tensioning core tubes

Details Device for tensioning core tubes Device for tensioning core tubes

1984-08-08

1987-01-13

Taylor, Billy S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 683, B65H 1604

Patent

active

046358722

ABSTRACT:
A device for tensioning core tubes, especially core tubes for webs of paper or similar materials, consists of several tensioning segments in the shape of arcs of a hollow cylinder. The segments can be displaced radially inside a cage and are distributed around an arbor. Supports are positioned between the arbor and the tensioning segments in circumferential grooves on the surface of the arbor. The cross section of the arbor is an equilateral polygon in the vicinity of the grooves. The side of each support that faces a tensioning segment is spherical and is inserted into a corresponding hemispherical depression in the inner surface of the tensioning segment. The side of each support that faces the arbor has a contact surface that matches the cross-section of the floor of the groove.

REFERENCES:
patent: 2196489 (1940-04-01), Bennett
patent: 2219124 (1940-10-01), Baudy
patent: 2487723 (1949-11-01), Nordstrom
patent: 2908452 (1959-10-01), Jacobsen
patent: 3006565 (1961-10-01), Pelletier
patent: 3963250 (1976-06-01), Flagg

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