Scrap reduction system for rotary die cutter

A rotary die cutter system the amount of scrap between successive blanks cut from web material by holding the web against backward movement at a position spaced upstream from the nip defined by the die and anvil cylinders, retracting the cut leading end of the web through a predetermined distance in...

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Bibliographische Detailangaben
Hauptverfasser:	VIGDER, ROBERT B, O'CONNOR, BARRY J
Format:	Patent
Sprache:	eng
Schlagworte:	CONVEYING CUTTING DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING HAND CUTTING TOOLS HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES PACKING PERFORMING OPERATIONS SEVERING STORING TRANSPORTING
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Beschreibung
Zusammenfassung:	A rotary die cutter system the amount of scrap between successive blanks cut from web material by holding the web against backward movement at a position spaced upstream from the nip defined by the die and anvil cylinders, retracting the cut leading end of the web through a predetermined distance in response to release of the web by the cut-off knife at the trailing edge of the die on the die cylinder such that on the next cycle, the leading edge of the die will engage the web at a position spaced close to the leading end of the web.