merges through an upwardly convex curved ramp 34 into a horizontal portion 35 at a lower level than the portion 33 as described in my co pending application ser no 368 351 filed apr 14 1982 sweets 11 wrapped in a primary wrapper are delivered from the primary wrapper to the platform and are advanced along the platform as a regularly spaced procession by pusher 16 of a chain conveyor which extend upwardly through a slot 14 in the platform the pushers 16 are pivoted at 21 to the chains 17 of the conveyor which extend around sprockets one of which is shown at 18 each pusher 16 carries a roller 22 which coacts with a cam track 24 and normally maintains the pusher in an upright position pegs 26 secured to the chains 17 at intervals engage arcuate slots 27 in the pushers the pushers have threaded holes 28 which communicate with the slots 27 and when as illustrated batches of five sweets are to be collated a screw 29 is inserted into the hole 28 in each fifth pusher so that its tip precludes movement of the peg 26 in the slot 27 of that pusher a hub 37 mounted on a shaft 38 carries four radially projecting blades 36 the shaft 38 rotates at a speeed such that it performs a quarter of a revolution for each advance of the chain conveyor through the.