Pick-up head utilizing aspirated air flow
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United States of America Patent
Stats
-
Oct 2, 1984
Grant Date -
N/A
app pub date -
Nov 16, 1982
filing date -
Nov 16, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An aspirator jet suction pick-up device for moving green sheets or other flexible materials employs a source of gas under positive pressure into the head with exhaust via a network of slots disposed along the pick-up surface of the head. As the gas exhausts through the ends of the slots via a manifold or plenum, an open groove on the pick-up surface entrains aspirated air causing a localized suction force. The suction force due to aspiration uniformly and stably holds a flexible sheet on the pick-up surface.
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