Packaging unit for continuously producing sealed packages contai

Details Packaging unit for continuously producing sealed packages contai Packaging unit for continuously producing sealed packages contai

1998-06-15

2000-03-14

Sipos, John

Package making

With means responsive to a sensed condition

Of receptacle or cover feed or adjunct feed or application

53 75, 53552, B65B 906, B65B 5704

Patent

active

060356049

ABSTRACT:
A packaging unit (1) for continuously producing aseptic sealed packages (2), containing a pourable food product, from a tube (14) of packaging material filled with the food product; the unit (1) has a first and second chain conveyor (10, 11) respectively having a number of first and second jaws (12, 13) which interact with and grip the tube (14) at respective equally spaced cross sections (88) to perform, at the cross sections (88), respective sealing operations on the tube (14); and the unit (1) also has a monitoring device (91) for monitoring the sealing operations, and in turn having at least one fixed sensor (92; 93) cooperating with each second jaw (13) to generate at least one monitoring signal (S1, S2; S3, S4) related to an operating value (Vo) of a quantity associated with the second jaw (13), and a comparing circuit (99) for comparing the operating value (Vo) with at least one predetermined reference value (Vf) of the aforementioned quantity, and for generating a fault signal (S5) indicating malfunctioning of the monitored second jaw (13) in the event of a predetermined relationship between the operating value (Vo) and the reference value (Vf).

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