Feeding means for feeding a machine web in a packaging machine

Details Feeding means for feeding a machine web in a packaging machine Feeding means for feeding a machine web in a packaging machine

1987-11-09

1989-05-02

Hornsby, Harvey C.

Advancing material of indeterminate length

By orbitally traveling material-engaging surface

On endless belt or chain

B65H 1734

Patent

active

048260657

ABSTRACT:
A feeding means for feeding a material web in a packaging machine comprises feeding chains, sprocket wheels and an engagement element for feeding the feeding chains. In order to facilitate the insertion and clamping of the material web the engagement member is designed such that in a first portion of the travelling section the movable clamping member is lifted from the fixed clamping member in a substantially vertical direction and in a second portion of the travelling section following the first portion the movable clamping member is additionally moved laterally away from the edge of the material web to be gripped.

REFERENCES:
patent: 969295 (1910-09-01), Meahl
patent: 2237877 (1941-04-01), Fulk
patent: 2557492 (1951-06-01), Young
patent: 3773235 (1973-11-01), Canamero et al.
patent: 4397411 (1983-08-01), Vetter

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