Package making – With means responsive to a sensed condition – Concurrent control of contents and receptacle feeds
Patent
1990-06-15
1991-08-27
Coan, James F.
Package making
With means responsive to a sensed condition
Concurrent control of contents and receptacle feeds
53 69, 532843, 53504, B65B 5700, B65H 4300
Patent
active
050422235
ABSTRACT:
Apparatus for controlling the positioning of articles driven on a path comprises a first position detector mounted on the path upstream from a desired stop position for the articles on the path and a sensor for sensing displacement steps of the articles and triggered by the first position detector. The apparatus is characterized in that first detector is at a non-critical distance from the stop point, and in that it further includes a second position detector mounted at a distance which is known and referenced relative to the stop point, and means for deriving a stop-controlling parameter P during an initialization cycle using one of the articles driven along the path, on the basis of the number N of article displacement steps representing the known distance and on the basis of a number n of sensor steps measured between the article being detected by one of the two position detectors and then by the other. The invention is applicable to mail processing.
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French Serch Report, Feb. 2, 1990, by Examiner Henrotte I.
Alcatel Satmam
Coan James F.
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