Thermoforming equipment for differential pressure forming products in thermoplastic material
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United States of America Patent
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Aug 26, 1986
Grant Date -
N/A
app pub date -
May 23, 1984
filing date -
May 23, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Improvements in differential pressure, thermoforming machinery for molding articles in thermoplastic material wherein a mold station incorporates female mold mechanism and opposed mold mechanism, a web advancing mechanism indexes a plastic web in which products are to be formed between said mold mechanisms, a drive moves the female and opposed mold mechanisms between open and closed positions on opposite sides of the plastic web, severing knife means is cooperable with a final increment of said relative movement to dispose said mechanism in closed position to sever the products formed from the web, and ejector mechanism is operable after severing is accomplished and there has been relative movement of said mold mechanisms toward open position to eject the product.
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