Method of plasticizing molding material and apparatus therefor
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United States of America Patent
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Apr 13, 1993
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N/A
app pub date -
Jan 15, 1992
filing date -
Apr 25, 1989
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Abstract
Disclosed is a plasticization method in which a molding material is supplied to a cylinder having a built-in screw to plasticize the molding material, and further, at least one of the cylinder and the screw is resonated to carry out the plasticization of the molding material. Also disclosed is a plasticization method in which the cylinder is vibrated by progressive waves to plasticize the molding material, and an apparatus able to carry out these plasticization methods.
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