Cutting – Processes – During movement of work past flying cutter
Patent
1996-02-12
1998-08-25
Jones, Eugenia
Cutting
Processes
During movement of work past flying cutter
83 767, 83304, 83346, 83678, B26D 162, B26D 520, B26F 120
Patent
active
057973059
ABSTRACT:
A moving web is either perforated or cut using a knife cylinder having at least one blade, and an anvil cylinder having at least one raised anvil surface, and preferably a plurality (e.g. about 22) of alternating substantially uniform raised surfaces and depressions. The knife cylinder is substantially continuously rotated, and the anvil cylinder is substantially continuously rotated by a servo motor, which also positively controls the position of the anvil cylinder with respect to the knife cylinder to selectively either effect perforation or cutting of the web, or no perforation or cutting. Position controlling is typically accomplished by substantially constantly and instantly indexing the anvil cylinder in a reverse direction. Sensors may be utilized for sensing the locations of the knife and anvil cylinders and providing that information to a computer controller to facilitate indexing.
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Bernard Dennis R.
Harrod Jimmie A.
Jones Eugenia
Moore Business Forms Inc.
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