METHOD AND APPARATUS FOR DENSIFYING POLYPROPYLENE

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United States of America Patent

APP PUB NO 20100145005A1
SERIAL NO

12327829

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Abstract

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A method of densifying polypropylene includes steps of reducing expanded polypropylene into relatively small particles and heating and compressing the particles to form densified polypropylene. The expanded polypropylene can be reduced to intermediate pieces prior to reduction to the small particles. The combination of the particle size, heat, and compression effects lasting densification of the polypropylene. An apparatus for densifying polypropylene includes a grinder to generate particles of expanded polypropylene and a densifier that heats and compresses the particles into densified polypropylene.

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Patent Owner(s)

Patent OwnerAddress
SEBRIGHT PRODUCTS INC127 NORTH WATER STREET HOPKINS MI 49328

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hitzler, Jack E Allegan, US 1 2
Scobey, James Hopkins, US 2 3
Sebright, Brent H Hopkins, US 13 60

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