Bedroll interfolding machinery improvement
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United States of America Patent
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-
Apr 17, 1990
Issued Date -
N/A
app pub date -
May 26, 1989
filing date -
Jun 16, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improvement for use in machinery for interfolding porous cut sheets is disclosed having two adjacent and counter-rotating folding rolls each having projecting tuckers and recessed grippers arranged alternately on the folding rolls such that a tucker on one roll mates with a gripper on the other. Porous cut sheets are selectively adhered to the folding rolls by vacuum ported to the tuckers and grippers.
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