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US 6,672,206 B2Granted
Form roller for printing press
AssigneeGraphic Specialists, Inc.
InventorJose A. Villarreal
Life of this patent
Estimating the term…
Abstract
A form roller for use in an offset lithographic printing press comprises a stationary shaft and an eccentric roller supported on the shaft for rotation around the shaft and for oscillation along the length of the shaft. One or more cams are mounted on the shaft for controlling the operation of the rollers therealong. The exterior surface of the roller comprises an impregnated elastomeric material.
Claims7
A form roller for offset lithographic printing presses comprising:
- a stationary shaft defining an axis;
- a roller mounted on the shaft for rotation around the shaft and for oscillation back and forth along the length of the shaft;
- the roller having an exterior surface defined by an axis extending parallel to an offset from the axis defined by the shaft whereby the rotation of the roller around the shaft is eccentric;
- the exterior surface of the roller comprising an impregnated elastomeric material.
1 more element
Dependencies are inferred from the claim text.