Patents Assigned to British American Tobacco (Germany)
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Patent number: 11484055Abstract: 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.Type: GrantFiled: August 12, 2019Date of Patent: November 1, 2022Assignee: BRITISH AMERICAN TOBACCO (GERMANY) GMBHInventors: Dietmar Franke, Gerald Schmekel
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Patent number: 10398166Abstract: 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.Type: GrantFiled: May 9, 2016Date of Patent: September 3, 2019Assignee: BRITISH AMERICAN TOBACCO (GERMANY) GMBHInventors: Dietmar Franke, Gerald Schmekel
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Patent number: 9961936Abstract: Filter for a smoking product, the filter including a first filter segment and a second filter segment, wherein the first filter segment includes a component that is given off into a smoke stream passing through a filter outlet opening, and the second filter segment includes a sorption means that absorbs a component from a smoke stream passing through the filter inlet opening.Type: GrantFiled: November 4, 2009Date of Patent: May 8, 2018Assignee: BRITISH AMERICAN TOBACCO (GERMANY) GMBHInventors: Horst Grzonka, Markus Schosnig, Eduard Nica, Paulo Oliveira, John Richardson, Martin Graham Duke, Maya Nikolaeva
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Patent number: 9351519Abstract: 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 (2) and an extruder (3) 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 (3, 4) are designated as a unit which can be modularly delimited for processing a tobacco material comprising a tobacco lamina material.Type: GrantFiled: September 22, 2009Date of Patent: May 31, 2016Assignee: BRITISH AMERICAN TOBACCO (GERMANY) GMBHInventors: Dietmar Franke, Gerald Schmekel
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Patent number: 9173433Abstract: The invention relates to a tobacco shredding device with a heatable pressure chamber (3), which has a tobacco material inlet (5) at the low-pressure end, an expansion gap outlet at the pressure end and a shaft-mounted conveyor screw (1) for conveying the tobacco material from the inlet to the outlet, and the conveyor screw shaft (19) is supported at the inlet end, and the shaft (19) extends on behind the outlet, where it is supported again by a counter bearing (17). 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?1.Type: GrantFiled: August 29, 2007Date of Patent: November 3, 2015Assignee: British American Tobacco (Germany) GMBHInventors: Volker Kuhl, Gerald Schmekel, Dietmar Franke
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Patent number: 9101164Abstract: 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.Type: GrantFiled: November 21, 2014Date of Patent: August 11, 2015Assignee: British American Tobacco (Germany) GmbHInventors: Gerald Schmekel, Dietmar Franke
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Publication number: 20150136151Abstract: 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.Type: ApplicationFiled: November 21, 2014Publication date: May 21, 2015Applicant: BRITISH AMERICAN TOBACCO (GERMANY) GMBHInventors: Gerald SCHMEKEL, Dietmar FRANKE
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Patent number: 8973750Abstract: The invention relates to a packet for smoking products, in particular for cigarettes, the packet having a packet body accommodating smoking products and including a withdrawal opening, and also having a packet lid for sealing the withdrawal opening. The packet lid is guided by guiding elements such that it can be pivoted about two pivoting axes with respect to the packet body during opening and closing.Type: GrantFiled: July 27, 2011Date of Patent: March 10, 2015Assignee: British American Tobacco (Germany) GmbHInventor: Erdinc Agirbas
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Patent number: 8931491Abstract: 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 (14, 24) is fed and from which the extraction agent is again discharged, wherein the extraction occurs in an extruder (10, 20) 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 (13, 23) and a conveyor unit (5) in the housing, and having an extraction agent inlet (3) and an extract outlet (7), wherein the housing is associated with a screw extruder (10, 20), wherein the extract is separated from the extruder (10, 20) to the outside environment by means of the pressure generated therein across the drop of pressure.Type: GrantFiled: September 24, 2009Date of Patent: January 13, 2015Assignee: British American Tobacco (Germany) GmbHInventors: Gerald Schmekel, Dietmar Franke
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Patent number: 8857075Abstract: 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 (1), wherein a heated process fluid (7) is supplied as a heat transfer medium to the tobacco material in the extruder (1) to supply process heat. The invention further relates to a device for producing a smoking product from a tobacco material using an extruder (1) 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 (1) is associated with a heater (11), which heats a process fluid (7) that is supplied to the extruder (1) for supplying process heat as a heat transfer medium.Type: GrantFiled: September 17, 2009Date of Patent: October 14, 2014Assignee: British American Tobacco (Germany) GmbHInventors: Dietmar Franke, Gerald Schmekel
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Patent number: 8820328Abstract: 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.Type: GrantFiled: December 23, 2010Date of Patent: September 2, 2014Assignee: British American Tobacco (Germany) GmbHInventors: Uwe Werner Ehling, Gerald Schmekel, Dietmar Franke, Matthias Link
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Patent number: 8763800Abstract: The invention relates to a packet for smoking products comprising a front area, a rear area and two opposing lateral areas, wherein a hollow space is formed on at least one lateral area in the interior space of the packet bounded by these areas and extends between the lateral area and the smoking product accommodating space.Type: GrantFiled: July 28, 2011Date of Patent: July 1, 2014Assignee: British American Tobacco (Germany) GmbHInventor: Erdinc Agirbas
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Publication number: 20130175189Abstract: The invention relates to a packet for smoking products, in particular for cigarettes, comprising a packet body (2) which is configured to accommodate the smoking products and comprises a withdrawal opening (1), and comprising a packet lid (3) for sealing the withdrawal opening (1), wherein the packet lid (3) is guided by means of guiding elements (4, 5) such that it can be pivoted about two pivoting axes (6b, 7b) with respect to the packet body (2) during opening and closing.Type: ApplicationFiled: July 27, 2011Publication date: July 11, 2013Applicant: BRITISH AMERICAN TOBACCO (GERMANY) GMBHInventor: Erdinc Agirbas
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Publication number: 20130153449Abstract: The invention relates to a packet for smoking products, in particular a cigarette packet, comprising a front area (1), a rear area (2) and two opposing lateral areas (3, 4), wherein a hollow space (5) is formed on at least one lateral area (3, 4) in the interior space of the packet bounded by these areas and extends between the lateral area (3, 4) and the smoking product accommodating space (6).Type: ApplicationFiled: July 28, 2011Publication date: June 20, 2013Applicant: BRITISH AMERICAN TOBACCO (GERMANY) GMBHInventor: Erdinc Agirbas
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Patent number: 8418697Abstract: 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 (23).Type: GrantFiled: December 12, 2007Date of Patent: April 16, 2013Assignee: British American Tobacco (Germany) GmbHInventors: Uwe Werner Ehling, Dietmar Franke, Gerald Schmekel
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Publication number: 20130032170Abstract: The disclosure relates to a device for removing filtered substances from combustion processes from a filter under laboratory conditions. In some implementations, this comprises a mount for the filter and a rinsing means for rinsing out the filter in its mount by means of a liquid. It may also relate to a method for removing filtered substances from combustion processes from a mounted filter under laboratory conditions in order to analyse the filtrate, wherein the filter is rinsed out in its mount with a liquid.Type: ApplicationFiled: August 3, 2012Publication date: February 7, 2013Applicant: BRITISH AMERICAN TOBACCO (GERMANY) GMBHInventors: Martin Blumenstock, Wolfgang Trinkies, Robert Nast, Rasmus Pagh, Ute Ernst, Heinrich Harald Burghart, Kurt Burghart
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Patent number: 8245841Abstract: The invention relates to a smoking article packet with an inner packet part for accommodating the smoking articles and an outer packet part for accommodating the inner packet part. The outer packet part has one substantially open face through which the inner packet part can be pushed out of the packet part with a slide aperture in the outer packet part. It also relates to a smoking article packet in which the inner packet part has a lid attached to it, or articulated, and a lid opening tab is provided in the region of the articulation line. The lid opening tab has a cut-out in which a co-operating piece on the outer packet part is able to engage, causing the lid to open as the inner packet part is being pushed out of the outer packet part.Type: GrantFiled: November 7, 2006Date of Patent: August 21, 2012Assignee: British American Tobacco (Germany) GmbHInventor: Erdinc Agirbas
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Patent number: 7934509Abstract: 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.Type: GrantFiled: November 28, 2005Date of Patent: May 3, 2011Assignee: British American Tobacco (Germany) GmbHInventors: Uwe Werner Ehling, Gerald Schmekel, Dietmar Franke, Matthias Link
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Patent number: 7934511Abstract: 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.Type: GrantFiled: February 2, 2006Date of Patent: May 3, 2011Assignee: British American Tobacco (Germany) GmbHInventors: Uwe Ehling, Matthias Link, Gerald Schmekel
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Patent number: 7387128Abstract: The invention relates to a continuous method for pressure-conditioning material for food and/or semi-luxury consumables, wherein said material (12) is introduced through an entrance (4) into a hyperbarically pressurized conditioning chamber (2), where it is treated with a conditioning agent, and extracted again from said conditioning chamber (2) at an exit (8), wherein the material (12) is conveyed continuously from said entrance (4) to said exit (8) in a conditioning chamber (2) inclined obliquely upwards, by means of a mixing conveyor, in particular a conveying screw (3).Type: GrantFiled: December 13, 2004Date of Patent: June 17, 2008Assignee: British American Tobacco (Germany) GmbHInventors: Uwe Werner Ehling, Gerald Schmekel, Frank Plückhahn, Hans-Werner Fuchs, Matthias Link