Device for drilling holes in a stack of plates
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United States of America Patent
Stats
-
Aug 12, 1986
Grant Date -
N/A
app pub date -
Aug 2, 1984
filing date -
Sep 20, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for drilling holes into a stack of plates such as a stack of printed circuit boards, characterized by an arrangement to provide a cover tape beneath a pressure member of a clamping arrangement to be held by the clamping arrangement on the surface of the stack during the drilling operation to prevent damage to the uppermost plate of the stack. The arrangement for providing the tape preferably includes a supply reel, a takeup reel and a feed device and the tape is preferably guided on the pressure member of the clamping arrangement by a guidance groove.
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Cited Art Landscape
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