Web registration system and method

Details Web registration system and method Web registration system and method

1992-09-09

1995-11-28

Kisliuk, Bruce M.

Manufacturing container or tube from paper; or other manufacturi

Control means energized in response to activator stimulated...

Responsive to work material, the product or means engaging...

493 22, 493 24, 493 29, 493239, 83 75, 83209, 83371, 83365, 226 27, 226 32, B31B 102

Patent

active

054703000

ABSTRACT:
A system and method in the manufacture of plastic bags for accurately registering a web having graphic material printed repetitively thereon with respect to a transverse cutting and sealing device comprise detecting the passage of an eyemark printed on the web by a certain location at an initial part of a web index, calculating the initial length travelled by the web from the start of the web index to the detection of the eyemark, and then adjusting a predetermined draw length of the web based upon that calculated initial length.

REFERENCES:
patent: 4781317 (1988-11-01), Ditto
patent: 5000725 (1991-03-01), Bauknecht
patent: 5041070 (1991-08-01), Blaser
"Photoelectric Register Controls"-by Allan Lytel of General Electric, pp. 38, 39, (Jan. 1960).

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