Calibrating device with at least one calibrating die

The invention relates to a calibrating device with at least one calibrating die (24), which has die faces (66) against which an extruded object fed therethrough is applied, in particular a section having several cavities, a sealing device (60, 62) being provided to seal off a gap (56) in order to fo...

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Bibliographische Detailangaben
1. Verfasser:	FRANZ PUERSTINGER
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The invention relates to a calibrating device with at least one calibrating die (24), which has die faces (66) against which an extruded object fed therethrough is applied, in particular a section having several cavities, a sealing device (60, 62) being provided to seal off a gap (56) in order to form a cavity (59) and, having been formed, this cavity (59) is evacuated to a negative pressure lower than the ambient pressure, means being provided to form the gap (56) before the first end face (53) of the calibrating die (24) and at least one of the terminal edges (67) of the die faces (66) having part end faces (76) to form the gap (56) with a gap width (65) smaller than 1.0 mm.