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| Number | Title | Issue Date |
| 7584758 | Device for processing tobacco during the production of cigarettes A distributor or hopper is part of a cigarette production machine and serves for dressing the tobacco in the provision of a continuous tobacco strand. An integral part of a distributor is a metering system which prepares the tobacco for the production of the tobacco... | 09/08/2009 |
| 7335847 | Method and apparatus for foreign-body separation from a material flow Method and apparatus for the separation of foreign bodies from a material flow, in particular a tobacco stream. Method is characterized in that at least a portion of the material from the material flow is conveyed into the area of a foreign-body detection device in ... | 02/26/2008 |
| 7287529 | Cigarette maker In a cigarette maker comprising a descent channel filled with shredded tobacco by a carding unit and with reclaimed tobacco by a conveyor, the shredded tobacco and the reclaimed tobacco are taken up and transferred by a toothed unit toward an ascent channel, from wh... | 10/30/2007 |
| 7188730 | Separation system for single stream compressed recyclables A screening system designed to provide separation of multiple fractions of New Screens Fines. News Screens Fines (“NSF”) contain a mix of compressed, unmarketable recyclables that are generally less than four inches in size created as a by-product of current Mat... | 03/13/2007 |
| 7073669 | Launcher for compressible materials and associated process A launcher (17, 50, 60) and an associated process for compressible materials (42) includes a frame (22), at least one upper roller (1), at least one lower roller (2) located below the at least one upper roller (1) within the... | 07/11/2006 |
| 6877515 | Method of making a tobacco rod Apparatus for making one or more rod-like fillers of shredded tobacco for use in the making of cigarettes or the like employs one or two pneumatic conveyors having endless foraminous belts trained over pulleys and including elongated stretches below communicating pa... | 04/12/2005 |
| 6840248 | Method of and apparatus for recovering and recycling tobacco dust Tobacco dust which develops in a machine or production line for the making of smokers' products is put to use in that it is gathered and agglomerated into particles having or exceeding a required size. Metered quantities of such particles are admitted into a stream ... | 01/11/2005 |
| 6768317 | Method of and apparatus for testing a first material for potential presence of second materials A method of detecting impurities in a mass, such as detecting metallic and/or plastic particles in a stream of tobacco particles or filter material for tobacco smoke, includes the steps of moving the mass relative to a microwave field and/or vice versa, and analyzin... | 07/27/2004 |
| 6371125 | Apparatus for transferring filter rods containing pulverulent, granular and analogous ingredients Apparatus for transporting rod-shaped tobacco smoke filters which contain and/or carry particles of charcoal and/or other solid particulate tobacco smoke filtering and/or flavoring material. A sender directs a series of successive filters lengthwise into ... | 04/16/2002 |
| 6019105 | Tobacco processing method and apparatus Before being processed in a pneumatic separator or classifier (13), a stream of cut tobacco, travelling to the separator on a conveyor (12), is passed through an opener (11) to open up tangled masses of tobacco that cannot be handled by the separator. The... | 02/01/2000 |
| 5901709 | Method of and apparatus for processing exhausted air in tobacco processing plants A first stream of contaminated air containing solid impurities including reusable tobacco particles is exhausted from a machine for the making of smokers' products and is caused to pass first through a first filter which separates therefrom all of the imp... | 05/11/1999 |
| 5806531 | Method and apparatus for automatic and continuous pneumatic feeding of tobacco A continuous pneumatic tobacco conveyance system is described which automatically controls the rate at which tobacco is fed into the conveyance system and automatically controls the velocity of the tobacco which is pneumatically conveyed. The system utili... | 09/15/1998 |
| 5645086 | Apparatus for evacuating surplus air for the distributor of a tobacco processing machine The distributor of a cigarette rod maker has a chamber bounded at least in part by a concave guide for a flow of fragments of smokable material in a stream of transporting fluid, such as air. The stream contains a surplus which is withdrawn from a central... | 07/08/1997 |
| 5476109 | Apparatus for separating threshed leaf tobacco Apparatus for separating lighter particles such as lamina containing little or no stem from tobacco particles contained in threshed leaf tobacco which comprises a plurality of tobacco particle separating units, each including a separation chamber each a f... | 12/19/1995 |
| 5460189 | Apparatus for separating threshold leaf tobacco A method is provided for separating lighter particles from heavier particles in a mixture thereof utilizing a separation chamber for continuous movement of particles therethrough. The chamber has a pair of opposite sides one of which is a projecting side ... | 10/24/1995 |
| 5394893 | Modular style multi-separator Apparatus for separating lighter particles from tobacco particles contained in threshed leaf tobacco includes a plurality of tobacco particle separating units, each including a separation chamber and having a fan system for establishing a generally upward... | 03/07/1995 |
| 5331978 | Method and apparatus for separation of heavy and light particles from particulate material Apparatus for the separation of heavy and light particles from material which includes means for fluidising and agitating the material to cause heavy particles to sink from the acceptable material and comprising a deck adapted to receive material at a rec... | 07/26/1994 |
| 5325875 | Apparatus for separating threshed leaf tobacco Apparatus for separating lighter particles such as lamina containing little or no stem from tobacco particles contained in threshed leaf tobacco which comprises a plurality of tobacco particle separating units, each including a separation chamber each a f... | 07/05/1994 |
| 5267576 | Method of and apparatus for separating foreign objects from moving tobacco particles in a rod making machine A cigarette rod making machine wherein the flow of loosely intermingled tobacco shreds, tobacco ribs and foreign objects (such as nuts, bolts, pieces of wire and/or particles of plastic material) is classified to segregate the ribs and foreign objects fro... | 12/07/1993 |
| 5263589 | Method of recovering tobacco from stemmery discard A stemmery discard of tobacco and soil particles is fed to an air/centrifugal separator in which a fraction of smaller tobacco particles is recovered with a low amount of soil. The residue from that separator is fed to a screen separator in which a fracti... | 11/23/1993 |
| 5211187 | String doffer mechanism A mechanism for removal of contaminants from a stream of material having a plurality of rotatable cylindrical doffer elements each having flights supplied with cleaning means thereon mounted substantially parallel to one another within a frame. The mechan... | 05/18/1993 |
| 5148816 | Method of and apparatus for making a tobacco stream with a core containing tobacco ribs Smaller and larger fragments of tobacco ribs are sifted out of a mixture of tobacco ribs and tobacco shreds before the shreds are converted into a rod-like filler which is ready to be draped into a web of cigarette paper. The larger ribs are comminuted an... | 09/22/1992 |
| 5083577 | Apparatus for metering tobacco An apparatus for metering a measured amount of tobacco to, for example, a cigarette making machine to provide a uniform feed of tobacco to the cigarette making machine thereby reducing variations of the tobacco in the cigarettes made by the cigarette maki... | 01/28/1992 |
| 5080112 | Controlled opening of fibrous materials Fibrous materials are opened from a metered flow thereof using an opening roller and are subjected to a controlled and adjustable further opening operation to input desirable properties to the fibers. The invention is particularly described with respect t... | 01/14/1992 |
| 5063944 | Method and apparatus for separation of objectionable particles from tobacco material A method of separating objectionable particles from host tobacco material which includes fluidizing the tobacco material with a fluidizing air stream to allow heavy unwanted particles to fall, to cause light unwanted particles to rise and be air transport... | 11/12/1991 |
| 5018538 | Cigarette making machine Apparatus for feeding tobacco in or to a cigarette making machine comprises a number of carded rollers (10, 11, 12, 18) which transfer a metered stream of tobacco from one to the other while allowing relatively short strands or particles of tobacco to dro... | 05/28/1991 |
| 5000197 | Automatic control for feeding tobacco to a machine A pressure sensor (P) and a time-measurement component actuate a gate (15) for clearing out a duct (7) as a function of a predetermined program. When the gate is open, the feed of the machine is interrrupted. When the gate is closed, suction air carries a... | 03/19/1991 |
| 4967770 | Cigarette making machine hopper Degradation of tobacco brought about by refuser and recycle procedures in conventional cigarette-making machine operations is eliminated by feeding, metering and opening tobacco from a reservoir directly onto the external surface of a rotary or rectilinea... | 11/06/1990 |
| 4953570 | Cigarette making machine hopper Degradation of tobacco brought about by refuser and recycle procedure in conventional cigarette-making machine operations is eliminated by feeding, metering and opening tobacco from a reservoir directly onto the external surface of a rotary or rectilinear... | 09/04/1990 |
| 4938235 | Separator for separating tobacco particles from a tobacco/gas mixture A separator for separating tobacco particles from a tobacco/gas mixture comprises a hood, a circular deflection space disposed in the hood, an inlet for the tobacco/gas mixture to be separated opening tangentially into the circular deflection space, a dow... | 07/03/1990 |
| 4932423 | Tobacco feeding apparatus In apparatus for feeding tobacco to cigarette-making machines, the tobacco (9) is conveyed by suction from a feed receptacle (1). One end (14) of a duct (3) facing the receptacle above the level (19) of the tobacco is provided with a device (16) for regul... | 06/12/1990 |
| 4922932 | Tobacco feeder A tobacco feeder assembly utilizes a column of tobacco and a rotary conveyor to feed tobacco particles to a treatment zone which is maintained at above atmospheric pressure. The column of tobacco is maintained in the feed tube by control of the rotational... | 05/08/1990 |
| 4883077 | Apparatus for transporting and treating particles of tobacco and the like A stream of air is circulated by a blower along an endless path a portion of which is defined by an upright duct having an air inlet at its lower end, an air outlet at its upper end, and an inlet for comminuted tobacco particles intermediate its air inlet... | 11/28/1989 |
| 4867180 | Cigarette making machine hopper Degradation of tobacco brought about by refuser and recycle procedures in conventional cigarette-making machine operations is eliminated by feeding, metering and opening tobacco from a reservoir directly onto the external surface of a rotary or rectilinea... | 09/19/1989 |
| 4802497 | Tobacco feed system for cigarette making machine A system for feeding tobacco pneumatically and continuously to a cigarette making machine includes a fan (34,116; 148) which draws air through the machine via a suction band (48) and via one or more screens (96,98) and also serves to draw air through a du... | 02/07/1989 |
| 4756315 | Cigarette manufacturing machine with an auxiliary tobacco feed unit A cigarette manufacturing machine having an auxiliary recycled tobacco feed unit communicating with a downflow duct for feeding tobacco to a continuous cigarette rod forming section; the aforementioned auxiliary unit comprising an input conveyor belt comm... | 07/12/1988 |
| 4729388 | Cigarette manufacturing machine with a tobacco particle separator A cigarette manufacturing machine having a shredded tobacco supply unit, a unit for wrapping the shredded tobacco, an air permeable conveyor belt extending from the supply unit and the wrapping unit for transferring a continuous layer of tobacco held by v... | 03/08/1988 |
| 4696311 | Forming a rod of smokable material In a machine for making cigarette rods containing two types of tobacco there is provided a dual hopper (1200) for containing the two types of tobacco separately and a conveyor (1206) to transport the tobaccos side by side to a chute (1203) and then to a c... | 09/29/1987 |
| 4651758 | Apparatus for detecting foreign objects in the distributor of a cigarette maker The distributor of a cigarette maker has an upwardly travelling conveyor which transports particles of tobacco past a rotating paddle wheel serving to remove the surplus of particles and to return the removed surplus into the magazine of the distributor. ... | 03/24/1987 |
| 4646759 | Vibrating trough tobacco separator and classifier A method and apparatus are disclosed for the separation and classification of tobacco into two fractions, e.g., into heavies and lights. A stream of fluid is employed to produce a stratified bed of the tobacco, preferably in cooperation with vibration of ... | 03/03/1987 |
