Method and apparatus for processing plastics

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12134211
APP PUB NO 20220134601A1
SERIAL NO

17430344

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Abstract

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A method and an apparatus are disclosed for processing plastics, in which the material in incoherent solid state is dehumidified in a hopper and is then melted in an extruder, after which the molten material is used in a moulding device for moulding by injection and/or by blow moulding and/or compression, and in which a set point pressure value of the molten material is set on the basis of a measured residual humidity value of the dehumidified incoherent solid material, so as to decrease the pressure value by a preset variation value if the measured residual humidity value is lower than a reference value and to increase the pressure value by a preset variation value if the measured residual humidity value is higher than said reference value.

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Patent Owner(s)

  • PIOVAN S.P.A.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bellio, Enrico Ponzano Veneto, IT 12 5
Cappellini, Davide Soncino, IT 9 1

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