Web severing apparatus in a web winding machine

Details Web severing apparatus in a web winding machine Web severing apparatus in a web winding machine

1982-03-02

1984-04-24

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 66, B65H 1920

Patent

active

044443609

ABSTRACT:
A web severing apparatus is described which is operative between support rollers and a web wind-up roll employed in a web winding machine. The web severing apparatus consists of a retractable beam which is guided on axial ends of the support rollers. The beam has at its upper end a pivotably arranged mounting on which a web tear-off blade is screwed. The mounting further supports at a small distance away from the web tearing blade, a web holding element having a web contacting surface to clamp the web firmly on the roller when the web tear-off blade is so positioned relative to the web contacting surface that a narrow gap is formed between the web tearing edge of the blade and the web. When the web wind-up roll is then pushed out over one of the support rollers, the web is pulled against the web tear-off blade and is severed. With such web severing apparatus, the surface of the support roller opposite the blade and the web tear blade are protected from damage.

REFERENCES:
patent: 3365942 (1968-01-01), Dreher
patent: 3845914 (1974-11-01), Straujups
patent: 4331301 (1982-05-01), Martinez
patent: 4339092 (1982-07-01), Benoy et al.
patent: 4345722 (1982-08-01), Kuhn
patent: 4368855 (1983-01-01), Schonmeier et al.
patent: 4370193 (1983-01-01), Knauthe

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