Web threading device

Details Web threading device Web threading device

1987-01-02

1988-05-31

Sipos, John

Package making

Apparatus for contraction of cover by stretching or shrinking

53587, 226 92, B65B 1104

Patent

active

047472545

ABSTRACT:
A device for threading the leading end of a web through a web path between a series of rollers in shafts includes a leader line for attachment to the leading end of the web and for drawing the web through the web path. There is also a leader path on one side of the series of rollers which is generally parallel to but beside the web path for supporting the leader line means and confining the lateral movement of the leader line means while permitting longitudinal movement of the leader line means and the leading end of the web in the direction generally parallel to but beside of the web path. The leader path includes pulleys mounted on the roller shafts which freely rotate relative to the respective rollers. The leader line includes a proximal end portion by which the leader line means is engaged and drawn, a distal end portion, and a loop intermediate the proximal and distal end portions for attachment of the leader line connected to a retractor to the web.

REFERENCES:
patent: 4079877 (1978-03-01), McAnespie
patent: 4330191 (1982-05-01), Rawlings
patent: 4409777 (1983-10-01), White
patent: 4480801 (1984-11-01), Stone

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