Advancing material of indeterminate length – Processes
Patent
1987-10-08
1989-05-09
Jillions, John M.
Advancing material of indeterminate length
Processes
209 33, 226 45, B65H 2000, B65H 2602
Patent
active
048281565
ABSTRACT:
A process for monitoring defects in the material of a moving web of paper or defects in operations performed on the web of paper. An air brush spray head applies ink for a predetermined duration at a location along an edge of the moving web of paper during a press operation and after a predetermined period of time to indicate that a defect has passed. A scanner senses the ink during a subsequent collating operation so that the process line can be stopped and the defect corrected. The location of the ink on the web of paper is at a point wherein the defect has passed and good material is present.
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patent: 3124289 (1964-03-01), Lynch et al.
patent: 4484079 (1984-11-01), Betz et al.
patent: 4673803 (1987-06-01), Zerle et al.
patent: 4700627 (1987-10-01), Hagler
patent: 4746020 (1988-05-01), Schenk
R.K.B. Opto--Electronics, Inc., Model 2084 Ultra-Violet Hole Detector, Sep. 1985.
Coffey James B.
Dungan Harvey H.
Montgomery Thimothy J.
Whiteley David C.
Hawk Jr. Wilbert
Jillions John M.
Muckenthaler George J.
NCR Corporation
Sessler Jr. Albert L.
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