A + G Extrusion Technology Gmbh

Other

Erwin Krumb&ouml;ck

Wolfgang Gasselseder

An apparatus for cooling and calibrating and extruded plastic profile ( ) is described, with a cooling tank ( ) which receives a cooling liquid ( ) and can be charged with a pressure below atmospheric, and with at least one calibrating device ( ) arranged within the cooling tank ( ) for the plastic profile ( ) pulled through the cooling tank ( ), with the calibrating device ( ) being composed of individual parts extending in the direction of passage of the plastic profile ( ). In order in to provide advantageous construction conditions it is proposed that the parts of the calibrating device ( ) form calibrating elements ( ) which are distributed over the circumference of the plastic profile ( ) by leaving out gaps ( ) for the passage of cooling liquid.

Apparatus for cooling and calibrating an extruded plastic profile

In order to enable the thorough mixture of a melt flow S made of plastic, and polyvinyl chloride in particular, with the lowest possible amount of damage and the adequate homogenization thereof, the melt flow S is divided into partial flows T, which partial flows T are twisted independently from one another about axes extending in the direction of flow and are thereafter joined again into a common melt flow S.

Method for thoroughly mixing a melt flow made of plastic

A device ( ) for calibrating cooling of an extruded synthetic profile (P) exhibits a water tank ( ) through which coolant flows by means of coolant inlet and outlet pipes ( ), which water tank ( ) extending longitudinally in the direction of extrusion is subdivided into single cooling chambers ( ) by means of calibrating apertures ( ) for the synthetic profile (P) spaced at a mutual distance in series in the direction of extrusion. To ensure effective cooling a coolant inlet pipe ( ) discharges into each cooling chamber ( ) and the cooling chambers ( ) are each attached to a coolant outlet ( ) by means of an outlet opening ( ).

Growing community of inventors

Ansfelden, Austria

Erwin Krumböck

Growing community of inventors

Ansfelden, Austria

Erwin Krumb&ouml;ck

Erwin Krumböck