Vacuum roller
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 15, 2002
Grant Date -
N/A
app pub date -
Jun 16, 2000
filing date -
Jun 16, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vacuum roller includes a roller having transverse holes and surface holes, in which each of the surface holes intersects with at least one of the transverse holes. A cap mates to a portion of the roller where the transverse holes are exposed. The cap has a cavity that aligns to at least one of the transverse holes and remains substantially stationary during rotation of the roller. A vacuum device evacuates the cavity.
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