Method and apparatus for transporting perforated objects
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United States of America Patent
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-
Nov 21, 1989
Grant Date -
N/A
app pub date -
Nov 10, 1987
filing date -
Nov 10, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A gripper head for connection with a suction device includes an air permeable suction plate having selected portions covered by a readily replaceable cover mask so that only the uncovered portions of the suction plate are suctionally active. The uncovered portions of a perforated object to be gripped by the gripper head having relatively few perforations.
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