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CIGARETTE FILTER MAKING

Subclass of:

493 - Manufacturing container or tube from paper; or other manufacturing from a sheet or web

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
493039000CIGARETTE FILTER MAKING57
20100184576METHOD AND APPARATUS FOR INTRODUCING OBJECTS INTO A SMOKING ARTICLE - An apparatus for introducing objects into a smoking article comprises a reservoir for providing a plurality of objects to be introduced into the smoking article, a rotatable wheel for delivering the objects to the location where the objects are to be introduced into the smoking article, a transfer chamber for transferring the objects to the rotatable wheel, the transfer chamber being arranged between the reservoir and the rotatable wheel and being designed such that the objects are aligned into a single vertically arranged layer therein, and means for moving the objects from the single layer in the transfer chamber in a direction towards or along the peripheral surface of the rotatable wheel.07-22-2010
20100273620Insertion Method for Centered Thread in Filter Rod - A method and apparatus for preparing a rod for use in the preparation of a smoking article are provided. The method comprises: (i) providing a starting material for forming said rod; (ii) providing a solid support for location within said formed rod; (iii) providing rod forming means comprising a channel ending in an open exit; (iv) providing an elongate passage having a distal portion terminating in an open distal end within said channel; (v) drawing said solid support through said elongate passage by contacting it with said travelling starting material in said channel; (vi) concurrently introducing an additive into said elongate passage at a rate sufficient to maintain a predetermined minimum volume in said distal portion—such that said travelling solid support is coated and/or impregnated by said additive by continuous immersion in said additive in said distal portion; and (vii) allowing said formed rod comprising said solid support coated and/or impregnated by additive to exit from said open exit of said channel.10-28-2010
20110034309TWIN TRACK MACHINE AND A METHOD FOR MANUFACTURING COMPOSITE FILTERS ATTACHABLE TO CIGARETTES, CIGARS AND THE LIKE - A method of manufacturing composite filters for cigarettes, cigars and similar tobacco products, on a twin track machine, involves generating a succession of filter sticks of a first type, made from a first filter material and/or having first filtration properties, and at least one other succession of filter sticks of a different type, made from a respective different filter material and/or having filtration properties different to those of the first type; cross-cutting the filter sticks of the first type and the filter sticks of the different type on at least one transverse cutting line to obtain a succession of first and second plugs of the first type and a succession of first and second plugs of the different type; arranging the first plugs of the first type and the first plugs of the different type in alternation one with another to create a first filter rod, and arranging the second plugs of the first type and the second plugs of the different type in alternation one with another to create a second filter rod; checking the position of at least one first plug of the first rod, relative to a corresponding second plug of the second rod; and correcting the position of the at least one transverse cutting line according to the relative positioning of the first and second plugs.02-10-2011
20110059831METHOD AND APPARATUS FOR INCORPORATING OBJECTS INTO CIGARETTE FILTERS - Cigarette filter rods having individual objects positioned at predetermined intervals therein are prepared by transferring the individual objects from a rotating horizontal pan to a rotating vertical wheel and then depositing the object into a web of filter tow. Each object is positioned within the moving web of tow. The web filter material and the objects positioned within the web are introduced into a rod-forming unit wherein the rod is formed. The rate of feed of the filter tow, the rate of rotation of the horizontal pan and the vertical wheel are controlled relative to one another such that objects are positioned at predetermined intervals along the rod. Cigarette filter elements having well controlled amounts of flavorant contained therein can be made from the rods.03-10-2011
20110190105Fluid Encapsulation - A fluid encapsulation (08-04-2011
20110230320APPARATUS FOR INSERTING OBJECTS INTO A FILTER COMPONENT OF A SMOKING ARTICLE, AND ASSOCIATED METHOD - Apparatuses are provided for manufacturing a rod member for a cigarette filter element. Each rod member defines a longitudinal axis and includes a generally longitudinally-extending filter material and a plurality of objects disposed therein along the longitudinal axis. Such an apparatus comprises a rod-forming unit configured to form a continuous supply of a filter material into a continuous cylindrical rod member. An object insertion unit is configured to introduce a plurality of objects into engagement with the rod member. A rod-dividing unit is configured to divide the rod member into a plurality of rod portions such that each rod portion includes a plurality of the objects. Associated methods are also provided.09-22-2011
20120065042Apparatus for Introducing Objects into Filter Rod Material - An apparatus for introducing objects into filter rod material during filter rod manufacture comprises an object store (03-15-2012
20120077658APPARATUS AND METHOD FOR INSERTION OF CAPSULES INTO FILTER TOWS - An apparatus for insertion of capsules into cigarette filter tows is disclosed. The apparatus may include a tow processing unit, a capsule insertion unit and a filter rod making unit. The capsule insertion unit may include a hopper, a capsule presorter, an inlet pipe, a capsule feeder wheel, a capsule insertion wheel, and a tow gathering funnel.03-29-2012
20120077659APPARATUS AND METHOD FOR ASSEMBLY OF MULTI-SEGMENT ROD-LIKE ARTICLES - An apparatus for assembly of multi-segment rod-like objects, such as, for example, components of a composite cigarette filter, is disclosed. The apparatus may include an intercalating unit and an assembly unit, linked by a transfer unit. Intercalating unit may include at least one rod supply unit and a conveyor. In one embodiment, intercalating unit may include a plurality of independent rod supply units. Each rod supply unit may include a hopper and a rod delivery mechanism comprising a rotary drum, a cutting device, a transfer wheel and a delivery wheel.03-29-2012
20120088643EQUIPMENT FOR INSERTION OF OBJECTS INTO SMOKING ARTICLES - An apparatus is disclosed for providing rods formed from a continuous supply of filter material for use in the manufacture of cigarette filter elements, each rod having individual objects placed at predetermined spaced intervals along the length thereof. The apparatus comprises a first hopper configured to provide a reservoir for objects, a second hopper positioned to receive objects from the first hopper, and a reciprocating screen disposed between the first hopper and the second hopper. The reciprocating screen defines a plurality of passageways therein, and the reciprocating screen is configured to facilitate transfer of the objects from the first hopper to the second hopper. The apparatus also comprises an object insertion unit in operable communication with the second hopper and configured to introduce a plurality of objects into engagement with the continuous supply of filter material.04-12-2012
20120115696Rod for a Smoking Article and Method and Apparatus for Manufacture - A filter rod for a cigarette or other smoking article comprising a filter plug having a plurality of threads extending though at least part of the filter plug, and an apparatus and method for manufacturing such a filter rod.05-10-2012
20120122639Guide Nozzle for Use With Filter Rod Manufacturing Apparatus - A guide nozzle (05-17-2012
20120220438Filter Rod Maker - A machine for making filter rods for use in the manufacture of smoking articles comprises a garniture configured to receive filter plug material and filter wrapping material and to form a wrapped elongate filter rod, the garniture comprising a tongue; the maker further comprises a rotatable object-transport member arranged to receive objects from an object store and to deliver said objects directly into the tongue such that the objects are inserted into filter plug material passing through the tongue and a cutter configured to cut the elongate filter rod, thereby forming filter rod segments having one or more objects therein.08-30-2012
20120245006HIGH SPEED OBJECT INSERTER AND RELATED METHODS - An apparatus for inserting one or more objects into a filter component of a tobacco rod includes a storage apparatus that stores a plurality of the objects, each object having a predetermined volume; an inserter wheel that receives the objects stored in the storage apparatus, and inserts the objects into a band of filter material, the inserter wheel having an outer periphery with a plurality of pockets defined in the outer periphery and distributed about the outer periphery. Each pocket has a shape configured to support one of the objects with between about one quarter and about one half of the volume of the object received in the pocket. The remainder of the volume of the object protrudes from the pocket above the outer periphery of the inserter wheel. A method of inserting one or more objects into a filter component of a tobacco rod is also described.09-27-2012
20120245007HIGH SPEED OBJECT INSERTER AND RELATED METHODS - An apparatus for inserting one or more objects into a filter component of a tobacco rod includes at least one storage apparatus that stores a plurality of the objects, each object having a predetermined volume. At least one inserter wheel receives the objects stored in the storage apparatus, and inserts the objects into at least one band of filter material. Each of the at least one inserter wheels has an outer periphery with a plurality of pockets and distributed about the outer periphery. Each pocket has a shape configured to support one of the objects with between about one quarter and about one half of the volume of the object received in the pocket. The remainder of the object protrudes from the pocket above the outer periphery of the inserter wheel. A method of inserting one or more objects into a filter component of a tobacco rod is also described.09-27-2012
20120252647Transfer or Feed Drum, With Radial-Arm-Mounted Operating Heads, for Filter or Cigarette Portions - A transfer or feed drum for filter or cigarette portions, the drum having: a central body mounted to rotate about a first axis of rotation; a number of movable assemblies, each of which is fitted to the central body to rotate, with respect to the central body, about a respective second axis of rotation parallel to the first axis of rotation, and supports a pickup or feed head having at least one seat with a U-shaped cross section and for engaging at least one filter or cigarette portion; and an actuating system, which controls the angular position of each movable assembly about the respective second axis of rotation as a function of the angular position of the central body about the first axis of rotation.10-04-2012
20120302416METHOD OF FORMING A ROD FOR USE IN THE MANUFACTURE OF CIGARETTE FILTERS - An apparatus and associated method is provided for forming a rod for use in the manufacture of cigarette filter elements. A continuous supply of a filter material is formed into a continuous filter rod by a rod-forming unit. An object insertion unit is configured to insert a plurality of first objects and a plurality of second objects into the continuous filter rod. A rod-dividing unit is configured to subdivide the continuous filter rod, at predetermined intervals along the longitudinal axis thereof, into a plurality of filter rod portions such that each filter rod portion includes at least one first object and at least one second object disposed therein, with the first objects being different from the second objects.11-29-2012
20130085052Apparatus for Inserting Microcapsule Objects into a Filter Element of a Smoking Article, and Associated Method - An apparatus is provided for forming a cigarette filter rod member defining a longitudinal axis. A rod-forming unit is configured to form a continuous supply of a filter material into a continuous cylindrical rod member. An insertion unit configured to insert a carrier carrying a plurality of frangible microcapsule objects into the rod member. Associated apparatuses and methods are also provided.04-04-2013
20130109554METHOD AND APPARATUS FOR SEPARATING AND INSERTING OBJECTS INTO A MATERIAL ROD OF THE TOBACCO PROCESSING INDUSTRY05-02-2013
20130137561Filter Additive - The present invention relates to a method of producing a filter element for inclusion in a smoking article, the method comprising applying an additive to filter material, the additive being solid at room temperature and the method involving heating the additive so that it melts.05-30-2013
20140011652Method and unit for uneven transferring of beads - A unit for uneven transferring of a bead (01-09-2014
20140100099EQUIPMENT AND ASSOCIATED METHOD FOR INSERTION OF MATERIAL INTO CIGARETTE FILTERS - Filter rods for use in the manufacture of cigarette filter elements are provided, with each rod having a longitudinal axis and incorporating a generally longitudinally extending filter material and a generally longitudinally extending strand within that filter material. A filter making unit receives a continuous supply of a filter material, and forms the filter material into a gathered composite having a continuous cylindrical shape. A continuous supply of a strand (e.g., colored thread) is provided and is introduced into the filter material gathered composite in the tongue of the filter making unit. The filter material and continuous strand positioned therein are formed into a continuous rod having the strand material laterally positioned within that rod, and the continuous rod is subdivided at pre-determined longitudinal intervals to provide a plurality of rod portions.04-10-2014
20140113786CRYOTROPIC HYDROGELS AND THEIR USE AS FILTERS - There is provided a particle-filter comprising at least one hydrogel formed in aqueous solution at a temperature below 0° C. The filter can arrest particulates of smoke by physisorption on the solid surface of the gel or by chemisorption if the gel is suitably functionalized. The effectiveness of filter in arresting the solid particles and the pressure drop can be controlled by varying the porosity and the pore size distribution of the filter which in turn can be modulated by varying the monomer to water and monomer to cross-linker ratio in the pre-polymer solution. The filter is able to reduce the particle content of the smoke. There is further provided a cigarette comprising at least one particle-filter according as well as a method for the filtration of smoke.04-24-2014
20140243178APPARATUS, METHOD AND MACHINE FOR PRODUCING AN ENDLESS FILTER ROD OF THE TOBACCO PROCESSING INDUSTRY - Apparatuses and methods for producing an endless filter rod of the tobacco processing industry. An embodiment of the apparatus includes a transport nozzle loadable with compressed air, a guide tube, an elongated rod, which is arranged in the guide tube, having a rod projection, and an infeed roller, which is non-driven and freely rotatable, positioned immediately at an end of the transport nozzle and at a distance to the rod, and has a bearing surface that defines in sections a conveying path of a filter material web. The apparatus also includes a guide element positioned between the infeed roller and the rod by which a cross-section of the filter material web is reduced between the rod and the guide element in a region of the rod projection.08-28-2014
20140371044MACHINE FOR THE TOBACCO PROCESSING INDUSTRY, IN PARTICULAR, A FILTER TIPPING MACHINE - Machine of tobacco processing industry including a machine frame structured to support conveying arrangements for rod-like articles and/or components for conveying such rod-like articles; at least one laser device for processing rod-like articles and/or components of rod-like articles; and a laser supply unit for the at least one laser device having a supply frame to receive one or more supply devices for at least one laser device. Further, machine frame has adapter device so at least one laser device is positionable in/on the machine frame, supply frame has adapter device structured so at least one laser device is positionable on/in the supply frame, the at least one laser device is positionable in co-operation with adapter device of machine frame on/in machine frame, and/or the at least one laser device is positionable in co-operation with adapter device supply frame on/in the supply frame.12-18-2014
20150018187METHOD AND DEVICE FOR SUPPLYING FILTER MATERIAL TO A FILTER ROD FORMING MACHINE - A method and a device for supplying filter material to a filter rod forming machine having a peripheral axial portion and a central axial portion, according to which a flat band of filter material, obtained working a single “tow”, is longitudinally cut in at least two strips, each of which is fed to a respective pneumatic device adapted to transform the respective strip in a respective cord. The cords are then fed to an inlet of the forming machine at positions evenly distributed about the central axial portion for forming the peripheral axial portion.01-15-2015
20150080198Rod for a Smoking Article and Method and Apparatus for Manufacture - A filter rod for a cigarette or other smoking article comprising a filter plug having a plurality of threads extending through at least part of the filter plug, and an apparatus and method for manufacturing such a filter rod.03-19-2015
493042000 With shaping or compacting of filter material 14
20120115697METHOD AND DEVICE FOR INSERTING OBJECTS INTO AN ENDLESS FILTER ROD OF THE TOBACCO PROCESSING INDUSTRY - Method and device for inserting objects into at least one endless filter rod of the tobacco processing industry that is conveyed in the longitudinal axial direction. The method includes creating at least one blind hole-like recess in the at least one endless filter rod, inserting at least one object into the at least one blind hole-like recess in an insertion zone; and compacting the at least one endless filter rod to enclose the object.05-10-2012
20140045665Apparatus for Inserting Objects Into a Filter Component of a Smoking Article - An apparatus and associated method is provided for forming a rod for use in the manufacture of cigarette filter elements. A continuous supply of a filter material is formed into a continuous filter rod by a rod-forming unit. An object insertion unit is configured to insert a plurality of first objects and a plurality of second objects into the continuous filter rod. A rod-dividing unit is configured to subdivide the continuous filter rod, at predetermined intervals along the longitudinal axis thereof, into a plurality of filter rod portions such that each filter rod portion includes at least one first object and at least one second object disposed therein, with the first objects being different from the second objects.02-13-2014
20140171281Methods and Apparatuses for Manufacture of Smoking Article Filters - An apparatus for manufacturing a filter rod for a cigarette or other smoking article having a pattern formed in relief on the outer surface thereof. The apparatus comprises a passage including a portion configured to receive and compress filter material to form a filter rod and a belt extending along the passage to convey filter material through the passage. The apparatus includes a patterned relief surface configured to impress a relief pattern on a surface of a filter rod as it is formed within the passage.06-19-2014
20140235416Method, mechanism and apparatus for momentary compression of filter material - A mechanism for a momentary compression of a filter material used in the tobacco industry, wrapped into a wrapper and glued with an adhesive delivered from an adhesive applying apparatus, adapted to being placed on a machine for manufacturing filter rods before the adhesive applying apparatus is characterised in that it comprises at least one rotary compressing member (08-21-2014
20160000142Method and apparatus for cutting filter materials - A method of cutting filter materials in the tobacco industry wherein a filter material in the form of filter rods is fed to rotary knife unit, the filter rods are cut into segments by means of rotary knives pressing the filter rods against a guiding jacket characterised in that the rotary knives are cooled in the area behind the guiding jacket.01-07-2016
20160150818METHOD AND APPARATUS FOR INCORPORATING OBJECTS INTO CIGARETTE FILTERS06-02-2016
20160174604METHOD FOR INTRODUCING OBJECTS INTO A SMOKING ARTICLE06-23-2016
493043000 Including heating 1
20140206513Manufacturing Grooved Smoking Rods - A machine for making grooved smoking article rods has an axially rotatable drum (07-24-2014
493044000 Including fluid contact for forming 4
20100152008METHOD AND APPARATUS FOR MAKING CIGARETTE FILTERS WITH A CENTRALLY LOCATED FLAVORED ELEMENT - A filter making apparatus includes a positioning device having a passageway therethrough, with the passageway guiding a continuous flavor element such as a continuous strand of textile material from an inlet of the passageway to an outlet of the passageway. A liquid flavorant is introduced into the passageway at a desired flow rate and the strand of material carries the supplied liquid flavorant out of the positioning device at a rate substantially equal to the desired flow rate. A portion of the passageway can form a bath of the liquid flavorant supplied to the passageway through a separate inlet at approximately atmospheric pressure. A portion of the positioning device guides the continuous strand of material through the bath, or guides the strand to pass along the bottom of the passageway, and the saturated or partially saturated strand of material then exits from an outlet of the passageway to a point in the path of filter tow material that is being converged to form a filter rod.06-17-2010
20130231232METHOD AND MACHINE FOR PRODUCING PAPERLESS FILTER RODS FOR SMOKING ARTICLES - A method and machine for producing paperless filter rods for smoking articles, according to which a tow band of hardening-material-impregnated filtering material is fed along a forming beam having a first portion along which the tow band is injected with steam to cause the hardening material to react, and a second portion along which the tow band is dried with air, coming out from the forming beam, a continuous paperless rigid rod filter, which is fed to a cutting device; the steam blowing being performed at a plurality of stations arranged in series along the first portion; and the steam being fed, at each station, into an accumulation chamber surrounding the forming channel and communicating with the forming channel through an annular nozzle arranged on a transverse plane to the forming channel and having a constant width, measured along an axis of the forming channel, of 0.3 to 0.9 mm.09-05-2013
20130337987CIGARETTE FILTER MANUFACTURING APPARATUS AND CIGARETTE FILTER MANUFACTURING METHOD - A cigarette filter manufacturing apparatus, includes, a stuffer jet which sends a tow together with air, a tongue which molds the tow into a bar, a convergence guide which is provided in a position between the stuffer jet and the tongue, and converges the tow while guiding the tow toward the tongue, and a plurality of thread introducing tubes, intervals between which are reduced toward downstream in a position between an outlet of the stuffer jet and an introducing part of the tongue, the thread introducing tubes supplying respective threads into the tow from respective downstream distal ends.12-19-2013
20160120215METHOD AND SHOE FOR PRESSING SEGMENTS OF MULTI-SEGMENT FILTER - The object of the application is a method of pressing filter segments moving in a train of segments characterised in that the filter segments are pressed by means of a shoe (05-05-2016
493045000 Cutting continuous length rod into determinate lengths 2
20120157278METHOD AND APPARATUS FOR COMPILING GROUPS OF FILTER SEGMENTS WHEN PRODUCING MULTI-SEGMENT FILTER ASSEMBLIES - A method of making segmented filters including moving substantially identical segments of one type at uniform rate to a transferring element, which places each segment separately on an exit path. Setting of the filter segments in a repeating group on the exit path is accomplished by delay in collecting segments by a transferring element in each module of the apparatus. Uniform positioning is effected using the transferring element which includes uniformly spaced drivers, and non-uniform positioning is effected using the transferring element with non-uniformly spaced drivers. The apparatus includes a guiding element positioned adjacent to a cutting drum and has a wall closing a channel for a set of segments drawn out of a flute on the drum. The filter set is led through the channel with the aid of a dog of a chain and is advanced by a worm surface of a pushing together drum.06-21-2012
20150374029APPARATUS FOR INSERTING OBJECTS INTO A FILTER COMPONENT OF A SMOKING ARTICLE AND ASSOCIATED METHOD - Apparatuses are provided for manufacturing a rod member for a cigarette filter element. Each rod member defines a longitudinal axis and includes a generally longitudinally-extending filter material and a plurality of objects disposed therein along the longitudinal axis. Such an apparatus comprises a rod-forming unit configured to form a continuous supply of a filter material into a continuous cylindrical rod member. An object insertion unit is configured to introduce a plurality of objects into engagement with the rod member. A rod-dividing unit is configured to divide the rod member into a plurality of rod portions such that each rod portion includes a plurality of the objects. Associated methods are also provided.12-31-2015
493047000 By assembling dissimilar filter materials (e.g., fiber and powdered charcoal, etc.) 13
20090036284VERTICAL FILTER FILLING MACHINE AND PROCESS - A process and apparatus for the mass production of compound cigarette filters function to deposit granular filter material into the open ends of vertically oriented filter tubes. Predetermined amounts of diverse granular material are withdrawn by suction from sources of such material, and these amounts are deposited into the tubes. Solid filter segments seal the granular material within the tube. After one half of each filter tube is filled with granular material and sealed, the tube is inverted and the opposite end is filled in substantially the same manner. When cut in half each filter tube produces two cigarette filters.02-05-2009
20110053745APPARATUS AND METHOD FOR INSERTION OF CAPSULES INTO FILTER TOWS - An apparatus for insertion of capsules into cigarette filter tows is disclosed. The apparatus may include a tow processing unit, a capsule insertion unit and a filter rod making unit. The capsule insertion unit may include a hopper, a belt, an inlet pipe, a capsule feeder wheel and a capsule insertion wheel.03-03-2011
20120015788MACHINE AND METHOD FOR MAKING COMPOSITE FILTERS - A machine (01-19-2012
20120028774APPARATUS AND METHOD FOR LOADING CAVITIES OF PLUG SPACE PLUG FILTER ROD - An apparatus for serially delivering filling media to spaced apart cavities of an endless filter rod, which includes a conveyor which conveys a strip of plug wrap along a feed path, a transfer wheel arrangement which serially delivers filter segments to the plug wrap as it moves along the feed path such that the filter segments are arranged in plug-space-plug relation with cavities separated by the filter segments, and a filling wheel which rotates about a horizontal axis and includes pockets or cleats which receive filling media at the loading zone and deliver the filling media to the cavities at a discharge station along the feed path.02-02-2012
20130102445HIGH SPEED OBJECT INSERTER AND RELATED METHODS - An apparatus for inserting one or more objects into a filter component of a tobacco rod. The apparatus includes: a storage apparatus that stores a plurality of the objects; an inserter wheel that inserts the objects into a band of filter material; and an acceleration chamber that transfers the objects from the storage apparatus to the inserter wheel. The acceleration chamber includes: a vortex chamber defining a periphery and an opening in the periphery; a source of air that accelerates the objects around the periphery of the vortex chamber; and a metering drum that rotates around the vortex chamber, the metering drum having metering holes movable into alignment with the opening in the periphery of the vortex chamber. The metering holes receive the objects through the opening in the periphery of the vortex chamber, and transfer the objects to the inserter wheel.04-25-2013
20150148207MEHOD AND DEVICE FOR FORMING CIGARETTE FILTER ROD - A method and device for forming a cigarette filter rod. The method is as follows: in a process of continuously conveying forward cigarette filter materials that tend to converge to have a rod shape, multiple granular additives are continuously output in accordance with a certain time interval, and are sprayed into the cigarette filter materials that converge forwards under the action of continuous transporting flows, so that after the cigarette filter materials converge to form a continuous filter rod, multiple groups of additive unit combinations formed of different granular additive units are embedded in an axial direction of the filter rod. With the method and device for forming a cigarette filter rod, a filter rod containing multiple granular additives can be formed in one step; multiple granular additives can be combined and arranged in any way along an axial direction of the filter rod; dosage positions and intervals of various granular additives can be adjusted and changed randomly; a production process is simplified and the production cost is reduced.05-28-2015
20150359260METHOD AND APPARATUS FOR MANUFACTURING FILTERS FOR SMOKING ARTICLES - There is provided a method and apparatus for manufacturing filters for smoking articles. The method comprises providing hollow tubes (12-17-2015
493048000 With application of forced air, vacuum or vibration to assist handling 5
20090075798CIGARETTE FILTER - A process of producing a cigarette filter comprises the steps of assembly a filter segment comprising a hollow tube with a filter plug at one end thereof and a space adjacent the plug. The filter segment is horizontally positioned, and the space is partially filled with a predetermined amount of particulate filter material by applying vacuum to the end filter plug to thereby drawn the particulate material into the space. An elongate filter plug is horizontally positioned in alignment with and adjacent to the filled filter segment, and the filled filter segment and the elongate filter plug are moved together until that plug abuts the particulate filter material to thereby seal the space and the particulate material therein. The formed filter is ultimately joined to a wrapped tobacco rod.03-19-2009
20090118109VERTICAL FILTER FILLING MACHINE AND PROCESS - Process and apparatus for the mass production of compound cigarette filters function to deposit granular filter material into the open ends of vertically oriented filter tubes. Predetermined amounts of diverse granular material are withdrawn by suction from sources of such material, and these amounts are deposited into the tubes. Solid filter segments seal the granular material within the tube. After one half of each filter tube is filled with granular material and sealed, the tube is inverted and the opposite end is filled in substantially the same manner. When cut in half each filter tube produces two cigarette filters.05-07-2009
20100210437VERTICAL FILTER FILLING MACHINE AND PROCESS - Process and apparatus for the mass production of compound cigarette filters function to deposit granular filter material into the open ends of vertically oriented filter tubes. Predetermined amounts of diverse granular material are withdrawn by suction from sources of such material, and these amounts are deposited into the tubes. Solid filter segments seal the granular material within the tube. After one half of each filter tube is filled with granular material and sealed, the tube is inverted and the opposite end is filled in substantially the same manner. When cut in half each filter tube produces two cigarette filters.08-19-2010
20120270710METHOD AND APPARATUS FOR INCORPORATING OBJECTS INTO CIGARETTE FILTERS - Cigarette filter rods having individual objects positioned at predetermined intervals therein are prepared by transferring the individual objects from a rotating horizontal pan to a rotating vertical wheel and then depositing the object into a web of filter tow. Each object is positioned within the moving web of tow. The web filter material and the objects positioned within the web are introduced into a rod-forming unit wherein the rod is formed. The rate of feed of the filter tow, the rate of rotation of the horizontal pan and the vertical wheel are controlled relative to one another such that objects are positioned at predetermined intervals along the rod. Cigarette filter elements having well controlled amounts of flavorant contained therein can be made from the rods.10-25-2012
20130029822APPARATUS AND METHOD FOR INSERTION OF CAPSULES INTO FILTER TOWS - An apparatus for insertion of capsules into cigarette filter tows is disclosed. The apparatus may include a tow processing unit, a capsule insertion unit and a filter rod making unit. The capsule insertion unit may include a hopper, a belt, an inlet pipe, a capsule feeder wheel and a capsule insertion wheel.01-31-2013
493049000 Including plasticizer, adhesive, coating, or impregnant 1
20100099543Method and Apparatus For Incorporating Objects Into Cigarette Filters - Cigarette filter rods having individual objects positioned at predetermined intervals therein are prepared by transferring the individual objects from a rotating horizontal pan to a rotating vertical wheel and then depositing the object into a web of filter tow. Each object is positioned within the moving web of tow. The web filter material and the objects positioned within the web are introduced into a rod-forming unit wherein the rod is formed. The rate of feed of the filter tow, the rate of rotation of the horizontal pan and the vertical wheel are controlled relative to one another such that objects are positioned at predetermined intervals along the rod. Cigarette filter elements having well controlled amounts of flavorant contained therein can be made from the rods.04-22-2010
493050000 Filter of fibrous material 3
20130331247METHOD AND APPARATUS FOR MANUFACTURE OF SMOKING ARTICLE FILTER ASSEMBLY INCLUDING ELECTROSTATICALLY CHARGED FIBERS - Provided are a method and apparatus for making a cigarette filter assembly for potentially reducing particle breakthrough. The method includes forming a lofty porous network of charge retaining polymer fibers by mechanical, chemical or thermal bonding of the fibers, wrapping the lofty porous network in a cylindrical or tubular shape with optional mediating filter fibers in a filter paper to form a filter plug while maintaining the lofty structure. The charge retaining fibers can be charged to attract and hold particles from such sources as particulate matter from sorbents (preventing break-through), and smoke constituents while having a suitable pressure drop. The apparatus handles'the lofty media with minimal crushing, for example, by spacing apart delivery rolls equipped with protrusions to punch, push, and/or pull the lofty media ahead for high speed operation.12-12-2013
20140274631APPARATUS AND METHOD FOR ROLLING CIGARETTE FILTERS - An apparatus and method for making a coiled cigarette filter is described. The apparatus includes a winding pin having a pinhead and a pin body, the pin body having a slot therein, separating the pin body into a first leg and a second leg. The winding pin is secured to a pin holder for synchronized rotation therewith, such that the pin body extends beyond one end of the pin holder to expose a length of the pin body. One end of a sheet of cigarette filter paper is inserted into the slot in the pin body and the pin holder is rotated in one direction causing the cigarette filter paper to wind around the pin body forming the coiled cigarette filter. Included as well is a pin cover, which is removeably attached to the pin holder for protecting the pin body when not in use.09-18-2014
20160143350Method and member for guiding a strand of filter fibers and filter rod making machine - The object of the invention is a member for guiding a strand of filter fibers in an area of placing objects into the strand of filter fibers in a tobacco industry machine, adapted to work together with an apparatus for feeding the objects to the strand of filter fibers, having a slot in which the feeding members of the object feeder move, an inlet opening for a strand of filter fibers, an outlet opening for a strand of filter fibers, a guiding channel connecting an inlet opening and an outlet opening. The member is characterized by comprising vent holes for stabilizing a strand of filter fibers being converted and increasing the accuracy of object placing.05-26-2016

Patent applications in class CIGARETTE FILTER MAKING

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