ES264768A3 - Procedure with your corresponding apparatus for the extrusion of thermoplastic tubes (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure with your corresponding apparatus for the extrusion of thermoplastic tubes (Machine-translation by Google Translate, not legally binding)
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FERNANDEZ LEPEZ ANGEL
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FERNANDEZ LEPEZ ANGEL
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Priority to ES0264768ApriorityCriticalpatent/ES264768A3/en
Publication of ES264768A3publicationCriticalpatent/ES264768A3/en
Process for the extrusion of thermoplastic tubes, characterized in that it consists of extruding a tube of thermoplastic material through a nozzle of annular section, maintaining an overpressure with respect to the atmospheric pressure inside the extruded tube and limited the diameter of the latter , while being prevented from dilation with a first portion of a cooling fluid that is at its boiling point then with a second portion of said cooling fluid that is at a temperature lower than that of the tube, so that the latter is solidifies in contact with this second portion of refrigerant fluid. (Machine-translation by Google Translate, not legally binding)
ES0264768A1961-01-021961-01-02Procedure with your corresponding apparatus for the extrusion of thermoplastic tubes (Machine-translation by Google Translate, not legally binding)
ExpiredES264768A3
(en)
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