Cutting – With means to convey work relative to tool station – Cut made parallel to direction of and during work movement
Patent
1985-05-22
1986-05-13
Kazenske, E. R.
Cutting
With means to convey work relative to tool station
Cut made parallel to direction of and during work movement
83 98, 83374, 83451, 83402, 83925CC, 269 21, B26D 100, B26D 702
Patent
active
045878730
ABSTRACT:
An apparatus for working on a single layer or a layup of sheet material, or other work material, has a table for supporting the work material with a support surface selected areas of which may be vacuumized. The selective vacuumization of support surface areas is accomplished by a simple valving system interposed between an air plenum and a plurality of individual compartments underlying the work surface, the valving system including an elongated valving member having a plurality of first and second ports distributed along the length thereof, a belt extending along the length of the valving member and overlying the ports and a belt deflector movable along the length of the valving member, the position of the belt deflector determining the selection of which second ports are connected to which first ports. In the selective vacuumization mode of operation a vacuum is applied to the air plenum. The same apparatus however may also be used to provide a positive air pressure over all of the work surface by applying a positive pressure rather than a vacuum to the air plenum, the valving system in this case simultaneously connecting all of the first ports and all of the second ports to one another.
REFERENCES:
patent: 3495492 (1970-02-01), Gerber et al.
patent: 4494433 (1985-01-01), Gerber
Gerber Scientific Inc.
Kazenske E. R.
Knoble John L.
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