Cutting – With product handling means – Including means to divert one portion of product from another
Patent
1988-06-15
1990-01-16
Phan, Hien H.
Cutting
With product handling means
Including means to divert one portion of product from another
83102, 83155, 83346, B26D 140, B65H 3508
Patent
active
048935344
ABSTRACT:
A cutter cylinder-counter cylinder combination pair (5, 6) has cutter knives (13, 14) and counter elements (15, 16) thereon, respectively, preferably, located diametrically opposite each other. A cutter knife (14) on one cylinder (6) cooperates with a counter element (15) on the other cylinder (5). In addition to the cutter knives and counter elements, the cylinders carry deflection elements which are positioned relative to the direction of rotation of the cylinders behind the cutter knives for deflection of the leading edge of the web (2) into one of two selected paths (18, 19; 20, 21). The deflection elements include a longer and comparatively stiff, elastic blade (11) on one cylinder and a short, and more flexible blade (10) on the other cylinder. The two elements cooperate to grip the web (2) between themselves and, upon rotation of the cylinders, the stiffer, longer blade deflects the edge (26) of the web into the given path, permitting the shorter, resilient blade to flex. After the sheet is deflected into the respective path, and for example after having been gripped by the path transport system, for example belts, it is cut by the cutter knife engaging the cooperating cutter element of the cylinders upon continued rotation, the deflection elements gripping, anew, the web just behind the cut edge.
REFERENCES:
patent: 2027412 (1936-01-01), Zuckerman
patent: 4373713 (1983-02-01), Loebach
patent: 4538800 (1985-09-01), Richter
patent: 4811641 (1989-03-01), Muller
MAN Roland Druckmaschinen AG
Phan Hien H.
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