Package making – With means responsive to a sensed condition – Of receptacle or cover feed or adjunct feed or application
Patent
1990-10-19
1991-11-19
Coan, James F.
Package making
With means responsive to a sensed condition
Of receptacle or cover feed or adjunct feed or application
53282, B65B 3102
Patent
active
050655639
ABSTRACT:
Packaging trays are displaced over the entire length of a packaging machine by the horizontal top run of a single conveyor provided with a series of transverse bars which are capable in each case of pushing one of the trays and are attached to driving chains which form a closed loop with the push-bars, the packaging trays being slidably displaced on guide plates or tracks. Moreover, the control elements of the conveyor are capable of subjecting this latter to a forward displacement until a packaging tray is brought onto a platform located within the welding station, then to a slight backward displacement (R) until the corresponding push-bar has withdrawn behind the welding station in order to avoid any interference with the closing of the moving parts of the station, and finally to another forward displacement of the push-bars after completion of the welding operation.
REFERENCES:
patent: 3283469 (1966-11-01), McBrady et al.
patent: 3492773 (1970-02-01), Bergstrom
patent: 3717971 (1973-02-01), Naggert
patent: 3863422 (1975-02-01), Wagner
patent: 3874145 (1975-04-01), Schmidt
patent: 4269298 (1981-05-01), Mergl
Coan James F.
Mecaplastic
LandOfFree
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