Apparatus for pelletizing plastics

Details Apparatus for pelletizing plastics Apparatus for pelletizing plastics

1994-09-08

1996-12-24

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Preform severing means

Means forming from bulk and downstream severing means

264142, 264143, 425311, 425313, 425DIG230, B29B 906

Patent

active

055871860

ABSTRACT:
A pelletizing apparatus including rotating cutting knives which are moved against a die plate to sever the plastic strands into pellets. The knives are driven such as to ensure a constantly parallel contact without any partial lifting of the knives from the die plate caused by the unilateral fixing of the cutting knives. This is achieved by a coupler mechanism which connects the knives to the hub of the knife head and ensures a parallel arrangement of the cutting edges of the knives over their entire length relative to the die surface.

REFERENCES:
patent: 3143766 (1964-08-01), Rohn
patent: 3271821 (1966-09-01), Street
patent: 4021176 (1977-05-01), Dettmer et al.
patent: 4179255 (1979-12-01), Hale
patent: 4251198 (1981-02-01), Altenburg
patent: 4671756 (1987-06-01), Bertolotti
patent: 4800792 (1989-01-01), Bertolotti
patent: 5284433 (1994-02-01), Cates et al.

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