Method and apparatus for controlling the cutting and placement o

Details Method and apparatus for controlling the cutting and placement o Method and apparatus for controlling the cutting and placement o

1993-05-06

1994-02-15

Cannon, James C.

Stock material or miscellaneous articles

Sheet including cover or casing

Noninterengaged fibered material encased

428 78, 428 79, 428195, 428206, 428286, 6043851, A61F 1315, B32B 3300

Patent

active

052865436

ABSTRACT:
A distinctive apparatus and method for selectively providing predetermined segments of web material comprises a supplying mechanism for providing the web material. A first sensing mechanism detects a reference marker on the web material to generate at least one reference marker datum which is associated with a selected web segment. A separating mechanism includes a sensor mechanism for providing at least one separation datum, and divides the web material along a separation region during a production of the web segment. A phase regulating mechanism controls a relative phasing between the reference marker detected by the first sensing mechanism and the dividing by the separating mechanism. The phasing is conducted with respect to a set reference value. An assembling mechanism places the web segment onto a substrate, and a second sensing mechanism separately detects a location of the separation region relative to the reference marker to generate at least one location datum which is in correspondence with the separation datum. A location correlating mechanism generates at least one comparison datum associated with a web segment, and a data processing mechanism evaluates the comparison datum to generate an updated set reference value. A reference regulating mechanism selectively adjusts the phase regulating mechanism to incorporate the updated set reference value.

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