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[NEWS]
The free flow passage
2012-12-11
2012-12-11
In a known device there is provided at least one helical flute, the free flow passage of which is blocked off by a transverse wall, and this wall is provided with numerous overflow grooves.
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[NEWS]
The extruding helix
2012-12-10
2012-12-10
The mass which is made flowable (rendered plastic) must be degassed on its way to the outlet. In order to make the degassing section free of pressure a diaphragm, through which the mass flows, is provided further upstream. The extruding helix is provided with at least one helical flute, the free flow passage of which is blocked, and the diaphragm is provided with an adjustable throughput area.
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[NEWS]
The technology of mixing extruders
2012-12-08
2012-12-08
Since, apart from improvements in details, the technology of mixing extruders has not changed in the last fifteen years, the present invention was based on the object of presenting a mixing and homogenizing extruder which, in comparison with the known apparatuses, permits an increased output rate with reduced investment costs and at least equally good mixing effect, and allows a distinctly shorter overall length and a broadening of the previous application areas of mixing and homogenizing extruders.
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[NEWS]
A transfer mixing section
2012-12-07
2012-12-07
An extruder for poorly miscible extrudates which includes a pin-lined barrel section and a transfer mixing section used together.
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[NEWS]
The piston rod of the piston-cylinder
2012-12-06
2012-12-06
The pressing units are piston-cylinder units which are arranged substantially in a vertical position, and that the pressing units are each arranged on a holder or mount which is pivotable about a substantially vertical axis. This arrangement offers the essential advantage that the extruder-head unit,
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[NEWS]
Pressing units attached on the calender
2012-12-05
2012-12-05
Pressing units attached on the calender and consisting of a tie rod and a piston-cylinder unit actuating the latter press together the two parts or halves of a horizontally divided or split extruder head secured on the extruder. This creates a union between extruder
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[NEWS]
A piston cylinder unit
2012-12-04
2012-12-04
A screw extruder, for use with or without a calender, has a divided or split extruder head with upper and lower parts or halves hingedly mounted on a collar secured to a flange at the discharge end of the extruder cylinder.
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[NEWS]
The introduction of rod and tube extruder
2012-12-03
2012-12-03
A rod and tube extruder comprising: a press frame formed by a cylinder beam and a counter beam connected thereto; a holder carriage linearly displaceable in the press frame a holder; a billet gripper concentrically surrounded by the holder and adapted to transport a billet that is introduced by means of a loader and that is to be pressed in a press position in front of a die associated with the counter beam, the holder being supported in and spaced from the holder carriage
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[NEWS]
Process and apparatus for extruding
2012-11-30
2012-11-30
In an extrusion apparatus for advancing and working thermoplastic material consisting of an extruder barrel, said barrel having central bore means extending longitudinally therethrough, said extruder barrel cooperative with said central bore means to define a wall along the full length of said barrel,
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[NEWS]
The introduction of mixing apparatus
2012-11-29
2012-11-29
A mixing apparatus for mixing thermoplastic compounds wherein the mixing body has a pair of parallel chambers with a pair of rotors rotatably journaled therein.
