Alignment hole forming device for film laminating apparatus
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United States of America Patent
Stats
-
Sep 5, 1989
Issued Date -
N/A
app pub date -
Jun 7, 1988
filing date -
Jun 7, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a laminating apparatus wherein a predetermined length of a film cut from a continuous web is laminated onto a substrate having positioning holes, a method for forming alignment or indexing holes in the film which correspond with the positioning holes in the substrate includes detecting the position of the positioning holes, establishing the location on the film where the alignment holes are to be formed, and punching the holes in the film. The apparatus includes a hole-forming device positioned to move along the film transfer path, the operation of the device being regulated by a sensor for detecting the position of the positioning holes, a control device for setting the position of the hole-forming device relative to the film in response to the sensor signal, and a mechanism for displacing the hole-forming device to the proper location for forming the alignment holes.
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