Glossary
132 10.06.2014
Ventilation pulse pres-
sure
[Parameter of the control unit]
During the closing of the sealing unit, the chamber is ventilated until
this pressure value is reached. As a result, the film pouch settles
better on the product.
P1
P2
P3
P4
t1 t2 t4t3 t5 t6
P
t
Fig. 51: Sequence diagram packaging procedure with ventilation pulse
t1
Start evacuation procedure
t2
The evacuation pressure is reached, the sealing unit closes, start ventilation
pulse
t3
Pressure value for ventilation pulse is reached
t4
The film pouch is sealed
t5
The sealing unit open, the chamber is ventilated until the ambient pressure is
reached
p1
Evacuation pressure
p2
Pressure value for ventilation pulse
p3
Sealing pressure
p4
Ambient pressure
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