Filling machine for open, sealable sacks

Details Filling machine for open, sealable sacks Filling machine for open, sealable sacks

2011-01-04

2011-01-04

Durand, Paul R (Department: 3721)

Package making

With contents treating

Vacuum or inert atmosphere

C053S079000, C053S267000, C053S284700

Reexamination Certificate

active

07861499

ABSTRACT:
A filling machine for open, sealable sacks includes a fill pipe for filling the attached sacks with contents having a tendency to develop dust, and a cleaning device which includes a blow rail for cleaning the inner faces of the sack mouth rim and side folds of a sack by an air flow which emerges from the blow rail. The blow rail is fastened to two-armed levers which can be pivoted about a stationary axis by means of a drive. As a result, the air jets are directed onto the surfaces to be cleaned from different directions during the cleaning process and the layers of the side folds are also separated from one another and cleaned. The filling machine is suitable, in particular, for filling powdery contents.

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