British American Tobacco (germany) Gmbh

B.a.t. Cigarettenfabriken Gmbh

Brown & Williamson Tobacco Corporation

British American Tobacco Limited

Gerald Schmekel

Dietmar Franke

Uwe Werner Ehling

Arno Weiss

Matthias Link

Wilfried Stiller

Frank Pluckhahn

Hans-Werner Fuchs

Uwe Ehling

Volker Heemann

Casper H Koene

Frank Plückhahn

Werner Schneider

Reinhard Ulrich

Thomas Jung

Gert Rudolph

Meinhard Meyer

Erwin Kausch

Knut Moller

Bernhard Hauser

Paul-Georg Henning

Bernd Spallek

Volker Kuhl

Gitta Junemann

Heinz-Werner Masurat

Werner Hass

Jurgen Nusslein

Frank Pl&uuml;ckhahn

Helge Rabitz

A tobacco preparation method, where a tobacco material is prepared through at least one extrusion process including compressing the material with an increase in pressure and temperature and mechanically processing and abruptly flash drying the material at an extruder outlet, where the tobacco material includes a tobacco lamina material, where a tobacco preparation device includes a dosing conveyor and an extruder which compresses a tobacco material with an increase in pressure and temperature and mechanically process and abruptly flash dries the material at the extruder outlet, where the components are designated as a unit which can be modularly delimited for processing a tobacco material including a tobacco lamina material, where an arrangement of several tobacco preparation devices and a smoking article or cigarette manufacturing device includes such a device or such a device arrangement which is connected upstream of a cigarette maker or a secondary unit as a tobacco preparation module.

Modular tobacco preparation including extrusion

A tobacco preparation method, where a tobacco material is prepared through at least one extrusion process including compressing the material with an increase in pressure and temperature and mechanically processing and abruptly flash drying the material at an extruder outlet, wherein the tobacco material includes a tobacco lamina material, where a tobacco preparation device includes a dosing conveyor and an extruder which compresses a tobacco material with an increase in pressure and temperature and mechanically process and abruptly flash dries the material at the extruder outlet, where the components are designated as a unit which can be modularly delimited for processing a tobacco material including a tobacco lamina material, where an arrangement of several tobacco preparation devices and a smoking article or cigarette manufacturing device includes such a device or such a device arrangement which is connected upstream of a cigarette maker or a secondary unit as a tobacco preparation module.

The invention relates to a tobacco preparation method, wherein a tobacco material is prepared through at least one extrusion process comprising compressing the material with an increase in pressure and temperature and mechanically processing and abruptly flash drying the material of an extruder outlet, wherein the tobacco material comprises a tobacco lamina material. The invention further relates to a tobacco preparation device comprising a dosing conveyor () and an extruder () which compresses a tobacco material with an increase in pressure and temperature and mechanically process and abruptly flash dries the material at the extruder outlet, wherein the components () are designated as a unit which can be modularly delimited for processing a tobacco material comprising a tobacco lamina material. The invention further relates to an arrangement of several tobacco preparation devices and a smoking article or cigarette manufacturing device comprising such a device or such a device arrangement which is connected upstream of a cigarette maker or a secondary unit as a tobacco preparation module.

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.

Tobacco shredder with double-mounted conveyor-worm shaft

The invention relates to a method for extracting agents from a tobacco material, wherein the tobacco material is conveyed through a housing to which an extraction agent is fed and from which the extraction agent is again discharge, wherein the extraction occurs in an extruder under increased extrusion pressure by way of contacting the tobacco material with the extraction agent during a tobacco material extrusion process. The invention further relates to an extraction device for tobacco material, having a housing and a conveyor unit in the housing, and having an extraction agent inlet and an extract outlet, wherein the housing is associated with a screw extruder, wherein the extract is separated from the extruder to the outside environment by means of the pressure generated therein across the drop of pressure.

Extractive tobacco material extrusion

The invention relates to a method for extracting agents from a tobacco material, wherein the tobacco material is conveyed through a housing to which an extraction agent () is fed and from which the extraction agent is again discharged, wherein the extraction occurs in an extruder () under increased extrusion pressure by way of contacting the tobacco material with the extraction agent during a tobacco material extrusion process. The invention further relates to an extraction device for tobacco material, having a housing () and a conveyor unit () in the housing, and having an extraction agent inlet () and an extract outlet (), wherein the housing is associated with a screw extruder (), wherein the extract is separated from the extruder () to the outside environment by means of the pressure generated therein across the drop of pressure.

The invention relates to a method for producing a smoking product from a tobacco material, wherein the tobacco material is treated using at least one extrusion process, which comprises compaction with an increase in pressure and temperature and a mechanical treatment and sudden flash drying of the material at an outlet of an extruder (), wherein a heated process fluid () is supplied as a heat transfer medium to the tobacco material in the extruder () to supply process heat. The invention further relates to a device for producing a smoking product from a tobacco material using an extruder () which performs a compaction of a tobacco material with an increase in pressure and temperature and a mechanical treatment and sudden flash drying of the material at the extruder outlet, wherein the extruder () is associated with a heater (), which heats a process fluid () that is supplied to the extruder () for supplying process heat as a heat transfer medium.

Production of smoking products by thermal extrusion

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.

Defibration of tobacco material

The invention relates to a method of producing cut tobacco material, whereby a tobacco starting material is heated and brought to a first increased pressure in one method stage; whereby the tobacco material is pumped to a second increased pressure in the second method stage which is higher than the first increased pressure; and whereby the tobacco material, heated and placed under pressure, is expanded and fed through a forming tool (). It further relates to a device for producing cut tobacco material comprising a heatable pressure chamber () with a tobacco material inlet, a tobacco material outlet and a conveying mechanism () for conveying the tobacco material from the inlet to the outlet and for increasing the pressure of the material to a first increased pressure, and with a forming tool () by means of which the tobacco material, heated and placed under pressure, is conveyed and expanded, and a mechanical pump () is integrated between the pressure chamber () and the forming tool () which pumps the tobacco material to a second increased pressure which is higher than the first increased pressure.

High-pressure forming process for tobacco material

The invention relates to a method of processing tobacco fines, whereby the tobacco preparation for producing smoking articles from an initial material to be processed, which contains tobacco fines and tobacco material, is subjected to an increased mechanical pressure in order to bind the tobacco fines permanently to the tobacco material, and no extra or external binding agents are added the material to be processed in order to bind the tobacco fines to the tobacco material. It further relates to smoking articles containing smoking material produced on the basis of one of the methods proposed by the invention.

Processing of tobacco materials containing a proportion of tobacco fines

The invention relates to a continuous method for pressure-conditioning material for food and/or semi-luxury consumables, wherein said material () is introduced through an entrance () into a hyperbarically pressurized conditioning chamber (), where it is treated with a conditioning agent, and extracted again from said conditioning chamber () at an exit (), wherein the material () is conveyed continuously from said entrance () to said exit () in a conditioning chamber () inclined obliquely upwards, by means of a mixing conveyor, in particular a conveying screw (). It further relates to a device for pressure-conditioning material for food and/or semi-luxury consumables, in particular for comminuted tobacco material, preferably tobacco stem material, comprising: a hyperbarically pressurized conditioning chamber (), into which the material () is introduced through an entrance (); supply nozzles () for treating the material () with a conditioning agent; and an exit () for extracting the material () from said conditioning chamber (), wherein the conditioning chamber () is arranged obliquely inclined upwards and comprises a mixing conveyor, in particular a conveying screw (), by means of which the material () is conveyed continuously from said entrance to said exit. It further relates to corresponding tobacco materials and smoking products.

Pressure-conditioning method

Pressure-conditioning device

The invention relates to process gas conditioning for tobacco dryers. In particular, it relates to a device for conditioning dryer which includes a vaporization unit with a chamber for introducing and vaporizing water to be added to the process gas, wherein the vaporization unit is arranged before the tobacco dryer and before the tobacco is introduced into the process gas. Furthermore, the invention relates to a vaporization unit for introducing water vapor into the flow of process gas in a tobacco dryer which includes a through-flow tank in which water introduced via a number of spray jets is completely vaporized, in contact with the process gas, and to a method for conditioning process gas for a tobacco dryer, in particular a flow dryer, wherein vapor is added to the process gas by introducing and vaporizing water, the water in the flow of process gas being vaporized in an vaporization unit before the tobacco dryer and before the tobacco is introduced into the process gas.

Process gas conditioning for tobacco dryers

The invention concerns a method and an apparatus for expanding foodstuffs and luxury foodstuffs/tobacco materials capable of being expanded, in particular moist tobacco materials, wherein said materials in a carrier flow comprising steam pass through an expansion zone, comprising a Laval nozzle, in which the speed of sound is attained in the narrowest cross section.

Growing community of inventors

Elmshorn, Germany

Gerald Schmekel