Winding machines

Details Winding machines Winding machines

1975-12-05

1977-07-05

Mautz, George F.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 562, B65H 1926, B65H 3502

Patent

active

040335216

ABSTRACT:
A center shaft turret winder is provided with core change-over mechanism, so that rewinding of webs e.g. in a slitter-rewinder can proceed continuously, by replacing full cores with empty cores and severing the wound webs between the respective cores. The mechanism includes a knife member which pivots about an axis parallel to the center shaft axis to bring its cutting edge into contact with the moving webs, after the core shafts have rotated around the center shaft, so that the tension in the webs increases and they are severed so that rewinding continues on the new cores and the old, full cores can be removed and replaced with empty cores. A paper printing and slitting machine equipped with such a slitter/rewinder and change-over mechanism is disclosed, together with the electromagnetic clutch arrangements for driving the winding cores and various forms of knife member.

REFERENCES:
patent: 2620141 (1952-12-01), Langbo
patent: 2681771 (1954-06-01), Haskell
patent: 2772054 (1956-11-01), Herele et al.
patent: 2942796 (1960-09-01), Gurney et al.
patent: 3157371 (1964-11-01), Billingsley

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