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US 2018/0200809 A1Published application
Plunge slitting with enhanced scrap threading capability using notching shears
AssigneeButech, Inc.
InventorsJohn R. Buta, Jason Cuff
Life of this patent
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Abstract
A slitting machine for threading scrap material includes first and second arbors; rotary knives disposed on each of the first and second arbors; and a pair of notching modules positioned on opposite ends of the first and second arbors. The notching modules each has a pair of shear knives for making multiple cuts in a strip of material passing through the slitting machine forming notches to enable threading of material to scrap chutes from the slitting machine.
Claims16
A slitting machine for threading scrap material comprising:
- first and second arbors;
- rotary knives disposed on each of said first and second arbors;
- a pair of notching modules positioned on opposite ends of said first and second arbors;
- wherein said notching modules each comprises a pair of shear knives for making multiple cuts in an associated strip of material passing through said slitting machine.
1 more element
A method of using notching modules with a slitting machine comprising:
- providing a slitting machine for threading a strip of material having first and second arbors;
- providing rotary knives disposed on each of first and second arbors;
- providing a pair of notching modules positioned on opposite ends of said first and second arbors;
- providing a pair of shear knives for each of said notching modules;
- making multiple cuts in an associated strip of material passing through said slitting machine with said shear knives;
- forming a notch in said strip of material with a first cut parallel to strip travel and a second cut perpendicular to strip travel.
3 more elements
Dependencies are inferred from the claim text.