Bindevorrichtung mit Schweissband, und Ausgabesystem mit einer solchen Vorrichtung

摘要

An apparatus to be appended to a rotary printing press for binding a succession of stacks (S) of printings with a thermally fusible paper band (B), comprising means (R1, R2) for supplying a continuous length of thermally fusible band, a band looper (2) for looping the band around the stack (S) on a slotted platform (1), a tightening roller (51) for tightening the looped band against the stack, a band heater (35) for heating the lapping parts of the tightened band under the platform into a fused joint, and a cutter (36) for cutting off the band in a position just upstream of the fused joint. With a view to efficient fusion of the thermoplastic overlay of the fusible paper band on the successive stacks (S), a heater control circuit (37) is provided for causing the band heater (35) to be normally energized for a first preassigned period of time (Ta) at constant intervals during the operation of the apparatus and, in response to the heating of the band on each stack, after the fusion jointing, at least for a second preassigned period of time (Tb) which is longer than the first preassigned period time.