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185
PLASTICS IN FOOD PACKAGING
Product
Forming shoulder
Tube
Heat sealing
Heat sealing
and cutting
Figure 7.6 Vertical form, fill, seal (f/f/s) machine.
Rotary
crimpers
Finished
pack
Propelling rollers
Product
Folding box
Heater blocks
Figure 7.7 Horizontal form, fill, seal (f/f/s), flowpack type machine.