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:
Nov. 03, 2015
Filed:
Aug. 29, 2007
Volker Kuhl, Bayreuth, DE;
Gerald Schmekel, Elmshorn, DE;
Dietmar Franke, Bayreuth, DE;
British American Tobacco (Germany) GMBH, Hamburg, DE;
Abstract
The invention relates to a tobacco shredding device with a heatable pressure chamber (), which has a tobacco material inlet () at the low-pressure end, an expansion gap outlet at the pressure end and a shaft-mounted conveyor screw () for conveying the tobacco material from the inlet to the outlet, and the conveyor screw shaft () is supported at the inlet end, and the shaft () extends on behind the outlet, where it is supported again by a counter bearing (). It further relates to a method of shredding tobacco, whereby the tobacco material is introduced at the low-pressure end of a pressure chamber and is expanded and discharged at the pressure end of the chamber at a gap outlet, and the tobacco material is conveyed from the inlet to the outlet by means of a conveyor screw shaft-mounted at both end portions, and the conveyor screw is operated in a speed range of up to 600 min.