Machine for sealing containers by applying a covering film

Details Machine for sealing containers by applying a covering film Machine for sealing containers by applying a covering film

1995-04-21

1995-12-19

Culver, Horace M.

Package making

Closing packages and filled receptacles

Separate closure applying

533293, 1984681, 198742, B65B 728, B65G 2500

Patent

active

054759650

ABSTRACT:
The present invention relates to a machine for sealing containers by applying a covering film, which comprises a framework for supporting a container sealing unit which is located between a unit for feeding the containers to be sealed and a conveyor for removing the sealed containers. There are also pusher arms which are detachably associable with multiple containers to transfer them from the feeder unit to the sealing unit and from the sealing unit to the removal conveyor. The particularity of the invention resides in the fact that the feeder unit comprises an accumulation conveyor which is located upstream of the sealing unit and downstream of at least one buffer conveyor which is interposed between the accumulation conveyor and an external feeder conveyor. There are also detectors for measuring the distance and speed of the containers fed onto the buffer conveyor; these detectors drive the motors that actuate the buffer conveyor in order to feed the containers at a preset speed and in a preset position onto the accumulation conveyor.

REFERENCES:
patent: 1577627 (1926-03-01), Webster
patent: 2295049 (1942-09-01), Pityo
patent: 3135395 (1964-06-01), Wallis
patent: 3345797 (1967-10-01), Von Stoeser
patent: 3430782 (1969-03-01), Henkel
patent: 3453167 (1969-07-01), Arvidson et al.
patent: 3507093 (1970-04-01), Marion
patent: 3754667 (1973-09-01), Storch
patent: 3757961 (1973-09-01), Jacobs
patent: 3841468 (1974-10-01), Eggert
patent: 4974392 (1990-12-01), Mondini

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