Plastic article or earthenware shaping or treating: apparatus – With apparatus assembly or dismantling means or with idle part – For extrusion or injection type shaping means
Reexamination Certificate
2005-03-08
2005-03-08
Davis, Robert (Department: 1722)
Plastic article or earthenware shaping or treating: apparatus
With apparatus assembly or dismantling means or with idle part
For extrusion or injection type shaping means
C425S378100, C425S382400, C425S467000
Reexamination Certificate
active
06863519
ABSTRACT:
An adapter for an extruder for producing plastic profiles is provided for the purpose of being disposed between an extrusion cylinder and an extrusion die, with the basic body of the adapter comprising a flow channel which is delimited at one outer side by a wall surface of the basic body and at one inner side by a deflection body which is rigidly connected with the basic body. A careful homogenization of the melt can be achieved in such a way that the deflection body is provided with a substantially spherical arrangement and is exclusively held by a holding pin which is situated downstream and is connected via bridges with the adapter.
REFERENCES:
patent: 2583330 (1952-01-01), Eckert
patent: 6499987 (2002-12-01), Durina et al.
patent: 658102 (1938-03-01), None
patent: 2017710 (1970-10-01), None
patent: 3222879 (1983-12-01), None
Schwaiger Meinhard
Smutka Franz
Davis Robert
Del Sole Joseph S.
Dykema Gossett PLLC
Technoplast Kunststofftechnik GmbH
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