Web width tracking

Details Web width tracking Web width tracking

1995-05-03

1996-04-09

Eickholt, Eugene H.

Printing

Rolling contact machines

Rotary

101248, 101484, 101151, 364563, 25055929, 25055936, 226 27, 226 45, B41F 504

Patent

active

055051294

ABSTRACT:
A printing system having a plurality of printing stations in series is provided with a web width sensor system that detects the change in width of a paper web by monitoring the position of both edges of the sheet after it leaves a printing station to determine the change in position of each side edge and thereby the change in width of the web.

REFERENCES:
patent: 4235358 (1980-11-01), Klein
patent: 4381586 (1983-05-01), Abler
patent: 4500045 (1985-02-01), Whitaker et al.
patent: 4569584 (1986-02-01), St. John et al.
patent: 4760626 (1988-08-01), Lonner et al.
patent: 4859860 (1989-08-01), Poterala
patent: 4888717 (1989-12-01), Ditto et al.
patent: 4991761 (1991-02-01), Gnuechtel et al.
patent: 5345863 (1994-09-01), Kurata et al.
patent: 5394223 (1995-02-01), Hart et al.

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