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:
Sep. 02, 2014
Filed:
Dec. 23, 2010
Uwe Werner Ehling, Goldkronach, DE;
Gerald Schmekel, Elmshorn, DE;
Dietmar Franke, Bayreuth, DE;
Matthias Link, Bayreuth, DE;
Uwe Werner Ehling, Goldkronach, DE;
Gerald Schmekel, Elmshorn, DE;
Dietmar Franke, Bayreuth, DE;
Matthias Link, Bayreuth, DE;
British American Tobacco (Germany) GmbH, Hamburg, DE;
Abstract
The invention relates to a method of producing cut tobacco material, whereby a tobacco initial material is heated and placed under pressure and once heated and placed under pressure, the material is fed through a shearing gap and expanded and defibrated. It further relates to a device for producing cut tobacco material with a pressure chamber, which has a tobacco material inlet at the low-pressure end and a tobacco material outlet at the pressure end and a conveyor system for conveying the tobacco material from the inlet to the outlet, and the tobacco material outlet has a gap through which the material passes and expands, and the gap has walls which can be moved towards one another. It further relates to a smoking article containing such a cut, defibrated tobacco material product and the use of a plug screw feeder-extruder with a shearing gap outlet for defibrating tobacco material.