Apparatus for pre-treatment and subsequent plastification or...

Details Apparatus for pre-treatment and subsequent plastification or... Apparatus for pre-treatment and subsequent plastification or...

2005-04-26

2005-04-26

Sorkin, David (Department: 1723)

Agitating

Rubber or heavy plastic working

With specified feed means

C366S077000, C366S155100, C366S186000, C241S186500

Reexamination Certificate

active

06883953

ABSTRACT:
An apparatus for pre-processing and subsequent plastification or agglomeration of synthetic plastic materials, in particular thermoplastic waste plastics for recycling purposes, has a receptacle (1) in which at least one comminuting tool (6) circulates. The housing (7) of a screw (8) is connected to the receptacle (1). The diameter (D) of the receptacle (1) has the following relationship to the screw diameter (d):in-line-formulae description="In-line Formulae" end="lead"?D=10.{square root over (K.d2)}, whereinin-line-formulae description="In-line Formulae" end="tail"?D is the inner diameter of the receptacle in mm,d is the screw diameter in mm andK is a dimension-less constant which amounts to at least 190.Thereby the dwell times of the synthetic plastic material within the receptacle (1) are kept at optimal values.

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