B - Operations – Transporting – 26 – F
Patent
B - Operations, Transporting
26
F
B26F 1/20 (2006.01) B26D 5/02 (2006.01) B26D 7/20 (2006.01) B26D 11/00 (2006.01) B65H 35/08 (2006.01)
Patent
CA 2261176
A web (11) perforating apparatus (10) comprising: a first and second perforator wheels (21, 22) mounted on stationary axes (26, 27) and spaced from each other along a predetermined path and in alignment with each other; first and second anvil cylinders (44, 45) spaced from each other along the path for cooperation with the wheels (21, 22) each cylinder having a raised (37) and a depressed portion (34), and a movable axis (35, 36). The cylinders are rotated about the axes (35, 36) synchronously with the web movement, and the cylinders (44, 45) may be selectively moved toward and away from the perforator wheels (21, 22).
L'invention porte sur un perforateur (10) de bandes (11) comprenant: une première et une deuxième roue perforatrice (21, 22) montées sur des axes fixes (26, 27) et séparées l'une de l'autre le long d'une trajectoire déterminée, et alignées; ainsi qu'un premier et un deuxième cylindre matrice (44, 45) séparés l'un de l'autre le long de la trajectoire et coopérant avec les roues (21, 22), chacun des cylindres comportant une partie haute (37), une partie basse (34), et un axe mobile (35, 36). Les cylindres (44, 45), qui tournent autour des axes (35, 36) en synchronisme avec le mouvement de la bande, peuvent être sélectivement rapprochés ou éloignés des roues perforatrices (21, 22).
Moore North America Inc.
Moore U.s.a. Inc.
Smart & Biggar
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