Arrangement on packing machines

Details Arrangement on packing machines Arrangement on packing machines

1987-04-16

1988-07-26

Coan, James F.

Package making

Apparatus for forming or partially forming receptacle and...

Forming a receptacle around a mandrel or former and removing...

53565, 493164, 493472, B65B 6100

Patent

active

047591714

ABSTRACT:
An arrangement for the retaining of container blanks (1) in a predetermined correct position on mandrels on a packing machine of the type which manufactures filled and closed packing containers from tubular container blanks and which comprises a stepwise rotatable mandrel wheel which is the bearer of mandrels distributed around the mandrel wheel which are intended to move container blanks applied to the mandrels in correct position between successive processing stations so as to achieve a bottom closure of the blanks. The arrangement comprises clamping elements pressed against the mandrels in the form, for example, of a lever which is adapted to be pivotable in a bracket at one lateral surface of the mandrel. The mandrel includes an upper clamping arm pressed against the mandrel and a lower maneuvering arm rigidly connected with the clamping arm as well as a spring element arranged at the top of the clamping arm (14). The clamping element (14) and the spring element can be disengaged from the mandrel through the effect of stops located at one or more of the stations which are adapted to act upon the maneuvering arm so that the latter through a forced pivoting movement adjusts the clamping arm (16) and the spring element (16) into a position wholly or partly disengaged from the mandrel.

REFERENCES:
patent: 2821054 (1958-01-01), Ritscher
patent: 3212413 (1965-10-01), Allen et al.
patent: 3382644 (1968-05-01), Vogt

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