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US 4,522,096 AGranted
Dicing apparatus for sheet material
AssigneeR. J. Reynolds Tobacco Company
InventorBenjamin F. Niven, Jr.
Life of this patent
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Abstract
A method and apparatus are provided to cut sheet material into quadrilateral pieces. The sheet material first is slit lengthwise into ribbons; then a swing assembly lays the ribbons onto a cutting bed, where circular knives cut them transversely into quadrilateral pieces. The swing assembly has a fixed end adjacent the slitting apparatus, and a free end that describes a reciprocating arc over the cutting bed.
Claims4
Apparatus for cutting continuous sheet material into quadrilateral pieces, comprising:
- means for longitudinally slitting the sheet into continuous ribbons;
- a cutting bed, including a first plurality of spaced parallel powered shafts defining a first cutting array, a second plurality of spaced parallel powered shafts defining a second cutting array, said first and second plurality of shafts oriented parallel to said ribbons and said first cutting array being arranged to lie in a plane vertically spaced from a plane defined by said second cutting array, each of said shafts carrying thereon a plurality of circular blades spacedly affixed thereto;
- and
- swing assembly means interposed between said slitting means and said cutting bed, for receiving said continuous ribbons and lapping said ribbons atop said cutting bed.
1 more element
Dependencies are inferred from the claim text.