Plastic article or earthenware shaping or treating: apparatus – Immersed shaping orifice discharging directly into liquid...
Patent
1979-06-14
1981-01-20
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Immersed shaping orifice discharging directly into liquid...
264142, 425 69, 425136, 425144, 425313, B29D 702, B28B 320
Patent
active
042459729
ABSTRACT:
Granulating apparatus, for plastics melt and other materials comprising an extruder head with a perforated member, a rotating cutter to cut material extruded through the perforated member, a housing surrounding the cutter and forming a granulating chamber with a generally upright axis and liquid supply means to supply cooling liquid to the top edge of the granulating chamber so that the cooling liquid flows in a film over the inner wall of the housing of the granulating chamber to prevent the cut material from sticking to said inner wall and to cool the cut material. The liquid supply means may include a perforated pipe encircling the granulating chamber or a weir at the inner edge of an annular chamber.
REFERENCES:
patent: 2850764 (1958-09-01), Evans et al.
patent: 3341892 (1967-09-01), Mayner
patent: 3343213 (1967-09-01), Fritsch
patent: 3431336 (1969-03-01), Isobe et al.
patent: 3664782 (1972-05-01), Nevin
patent: 4038002 (1977-07-01), Inaba et al.
Hermann Berstorff Maschinenbau GmbH
Woo Jay H.
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