Device for braking winding cores

Details Device for braking winding cores Device for braking winding cores

1980-09-24

1982-11-02

McCarthy, Edward J.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 7543, B65H 2306

Patent

active

043569838

ABSTRACT:
A braking device for winding cores for webs of material to be unwound with varying web tension. The device includes a pressure medium actuated cylinder piston unit controlling brake shoes which act on the winding core trunnions. The cylinder-piston unit comprises at least two longitudinally aligned pistons having their axes coincident in the operating direction and abutting on each other in their rest positions. The pressure medium is applied to the pistons individually or in tandem to produce different braking forces.

REFERENCES:
patent: 2900143 (1959-08-01), Bandy
patent: 2965326 (1960-12-01), Rockstrom
patent: 3240058 (1966-03-01), Foster
patent: 3330457 (1967-07-01), Foster

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