is used to produce trays & container such as chocolate bow trays, yogurt pots & blister packs
1) a mould is placed on the platen which is lowered(mould must be tapered - draft angle - without udercuts, so it can be removed)
2) a plastic sheet is clamped into place above the mould
3) heater is pulled over this plastic sheet
4 )when the sheet has softened the platen is raised
5) a pump expels the air which creates a vacuum causing the plastic to be forced over the mould
6) platen is lowered & the mould is removed
7) waste material is trimmed
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