A device for the stepwise cleaving of packaging carton, in particular for a continuously operating machine for printing, folding and cleaving of such cartons.

摘要

1,181,747. Slotting-apparatus. WARD-TURNER MACHINERY CO. 24 June, 1968 [9 May, 1968], No. 30010/68. Heading B4B. A carton slotter mechanism comprises means adjustable to feed carton blanks 26D of varied lengths between rotary slotter wheels 88, 104 of unequal radius, the wheel 104 having annular die means 120, 122, Figs. 4 and 5, and knife attachment means 110, 112, 116, and the wheel 88 having knife attachment means 110, 112, 116 in alignment with the die means on the wheel 104 and annular die means 120, 122 in alignment with the knife attachment means on the wheel 104, knives 114 being mounted on the wheel 88, Fig. 5, for normal operation and on the wheel 104, Fig. 4, for overlength extended slotter operation, the feed means in the latter case feeding a blank 26D at each third cycle. The machine 10, Fig. 1, comprises a hopper 18, a feed bar 24 which reciprocates, through linkage, from a drive gear 28, feed rollers 30, 34, printing plate cylinders 42, 60 and impression cylinders 38 and 64, creasing heads 74, 80 and slotting heads 88, 104.