The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 27, 2004
Filed:
Jan. 04, 2001
Reinhold Kössl, Wartberg/Krems, AT;
Greiner Extrusionstechnik GmbH, Kremsmünster, AT;
Abstract
The forming device ( ) for an extrusion plant ( ) having at least one calibrating device ( ) comprising at least one calibration tool ( to ) having a plurality of calibration dies ( to ), arranged one after the other in an extrusion direction ( ), has at least one calibration orifice ( ) with several forming surfaces QQ to ) The calibration dies ( to ) have end faces ( ) spaced at a distance apart from one another in the extrusion direction ( ). At least one cavity ( ) is formed between at least two immediately adjacent calibration dies ( to ) extending from the forming surface through to a passage applying a vacuum to the cavity, and the cavity (Si) is open across a predominant part of the, periphery of the calibration orifice ( ) towards the calibration orifice ( ) bounded by the forming surfaces.