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U.S. Department of Energy
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Method and apparatus for measuring and controlling foam sheet blow-up in a thermoformer oven

Patent ·
OSTI ID:6458150
A method and an apparatus are disclosed for measuring and controlling foam sheet blow-up in a thermoformer oven. Control of the oven operation is achieved through monitoring the measured blow-up of a material which being heated in the thermoformer oven in order to regulate the thickness of the plastic material prior to its conveyance into a molding or forming station.
Assignee:
Mobil Oil Corp.
Patent Number(s):
US 4438054
OSTI ID:
6458150
Country of Publication:
United States
Language:
English