PERFECTIONNEMENTS AUX APPAREILS DE TRAITEMENT

摘要

1346423 Packaging apparatus AUTOMAC Ltd 24 May 1971 [29 May 1970] 25935/70 Heading B8C Apparatus for heat-sealing tops on to plastics trays containing confectionery, comprises a feed-table 8 reciprocated by piston 9 so that a pivoting plate 11 on the table pushes successive trays supplied from conveyers 7 intoa pertures formed in a continuously rotating drum 13 which carries each tray first past a heated pressure roller 29 to seal thermoplastics film from roll 34 over the tray, and then past a transversely movable cutter element 38 bearing against blades 21 on the drum periphery adjacent each tray to sever the film, the trays being ejected from the drum by curved plate 28. Registration of printed matter on the film with the trays is carried out during operation by altering the diameter of drum 13. Drum 13 comprises end members in four segments 19 mounted on axially adjustable conical bearings on shaft 14. Register device 35 applies code marks or dates to the film.