Device for comminuting plastic waste material

Details Device for comminuting plastic waste material Device for comminuting plastic waste material

2005-02-15

2005-02-15

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Apparatus

With temperature modification of material

C241S243000, C241S282000

Reexamination Certificate

active

06854674

ABSTRACT:
An apparatus for comminuting waste of synthetic plastic material has a housing (1) in which at least one rotor (2) is bearingly supported for rotation around a preferably horizontal axis by a motor. The rotor (2) is provided on its periphery with comminuting tools acting onto the supplied material, in particular knives6, counter tools, in particular counter knives (8), assigned to the knives, being stationarily disposed within the housing (1) forming a supply well (7) of great volume. The material disposed within the supply well (7) is pressed against the rotor (2) by a supply arrangement which has at least two slides (17, 18) superimposed above each other and supplying the material to the rotor (2). The slides are independently from each other moveable against the rotor (2) or away from it. The front surface of the lowermost slide (17) facing the rotor (2) defines with the tangent (44) to the enveloping circle (26) of the comminuting tools (6) carried by the rotor (2) a substantially wedge-shaped intake gap (24) for the material to be comminuted. This intake gap (24) narrows in the downward direction.

REFERENCES:
patent: 1359016 (1920-11-01), Baker
patent: 4840317 (1989-06-01), Henrich
patent: 6510880 (2003-01-01), Arasmith
patent: 40 26 795 (1991-03-01), None
patent: 297 08 328 (1997-07-01), None
patent: 199 16 800 (2000-10-01), None

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