Feed means for sheets, particularly creasing means, and method for advancing sheets
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United States of America Patent
Stats
-
Jan 28, 2003
Grant Date -
Jun 27, 2002
app pub date -
Sep 10, 2001
filing date -
Jun 25, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
For folding sheet layers the folding blade (20) forms a comb. The comb gaps (27) are closed during fold pressing and opened during transfer of the fold to a conveyor (21). Thus the conveyor (21) engages the sheet only in the region of the comb gaps and easily withdraws the sheet without pressing it into contact against the folding blade (20). For controlling the gap variations a fully mechanical cam control (30) is provided underneath the working plane (10).
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