US20190008203A1 - Garniture device and a machine and a method for manufacturing multi-segment filter rods - Google Patents
Garniture device and a machine and a method for manufacturing multi-segment filter rods Download PDFInfo
- Publication number
- US20190008203A1 US20190008203A1 US15/909,797 US201815909797A US2019008203A1 US 20190008203 A1 US20190008203 A1 US 20190008203A1 US 201815909797 A US201815909797 A US 201815909797A US 2019008203 A1 US2019008203 A1 US 2019008203A1
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- United States
- Prior art keywords
- garniture
- loose material
- rod
- elements
- diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/08—Machines with aprons and tables for wrapping
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/14—Machines of the continuous-rod type
- A24C5/18—Forming the rod
- A24C5/1807—Forming the rod with compressing means, e.g. garniture
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/52—Incorporating filters or mouthpieces into a cigarette rod or a tobacco rod
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0229—Filter rod forming processes
- A24D3/0233—Filter rod forming processes by means of a garniture
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/025—Final operations, i.e. after the filter rod forming process
- A24D3/0254—Cutting means
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/14—Machines of the continuous-rod type
- A24C5/18—Forming the rod
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0229—Filter rod forming processes
Definitions
- the present disclosure relates to a garniture device, a machine for manufacturing multi-segment filter rods and a method for manufacturing multi-segment filter rods.
- Tobacco industry products such as cigarettes, may comprise segment filters with various filtering materials, in particular loose materials, such as activated charcoal in a form of a loose granulate located between neighboring segments of a solid form.
- a segment with activated charcoal can be formed by placing the charcoal between the neighboring solid segments, which typically have a form of rod-like elements having filtering properties (for example segments made of acetate) or rod-like elements having non-filtering properties (for example paper pipes or other elements made of plastic).
- Manufacturers of filters comprising charcoal or other granulate materials aim for placement of portions of the loose material such that the space between the solid segments is filled up as much as possible, preferably in 100%.
- a U.S. Pat. No. 411,602 discloses a device for compacting filtering segments containing charcoal granulate.
- One of its disadvantages is that the segments are deformed by a pin, which pushes an inner part of the segment made of filtering fiber into a charcoal segment which is not sufficiently filled, such as to eliminate an empty space.
- a U.S. Pat. No. 6,656,412 discloses a device for increasing the degree of filling of a space located between segments with granulate.
- the granulate is introduced on two stations, wherein after each introduction it is pressed into the space between the segments.
- One disadvantage of such a solution is contamination of the product with the granulate and dust.
- such solution occupies lots of space in the machine and therefore its application is problematic in modern machines, which are expected to have compact size.
- a European patent application EP1293136 discloses a production machine for the tobacco industry, to produce continuous covered cylindrical lengths of hard filter materials or tobacco, has a format unit with side guide surfaces linked together by a curved guide surface.
- the guide surfaces form a contour on a plane at right angles to the direction of material movement through the unit.
- At least one side guide surface is asymmetrical before it reaches a vertical orientation.
- a U.S. Pat. No. 4,185,645 discloses that cigarette filter units are made in a long strip with alternate portions of fibrous and pourable filter material.
- the fibrous portions are first attached at spaced intervals to a sheathing strip which is wrapped practically right around them to form a cylinder with regular empty spaces between the fibrous portions and openings into the spaces.
- air is extracted from these spaces so that when the spaces enter a chamber containing pourable filter material, they suck the material in to fully fill the spaces. Excess filter material is brushed off the filter unit, and a sealing strip is stuck over the openings.
- the present invention is directed to a garniture device for a machine used in tobacco industry, and methods using the same.
- the device is used for manufacturing a continuous rod comprising a loose material wrapped with a wrapper
- the garniture device comprises: a lower garniture part; a garniture duct formed in the lower garniture part; a garniture belt movable in the garniture duct for transporting the wrapper along the garniture duct; an upper garniture part comprising forming parts for forming the wrapper around the loose material; wherein the garniture duct comprises: an inlet part for transforming the garniture belt from a flat configuration into a U-shaped configuration; a U-shaped part for guiding the garniture belt in the U-shaped configuration; an outlet part for transforming the garniture belt from the U-shaped configuration into the flat configuration.
- the U-shaped part of the garniture duct comprises, at the side of the inlet part, a first section having a first diameter and, at the side of the outlet part, a second section having a second diameter being smaller than the first diameter, wherein the first section is connected to the second section by a transition section having a surface of a variable diameter.
- the transition section may have a conical surface.
- the first section and the second section can be arranged co-axially with respect to each other. Generating lines of the first section, of the transition section and of the second section can be located on a common plane.
- the length of the transition section can be equal from about 30 to about 100 mm, preferably from about 50 to about 80 mm.
- the second diameter can be from about 1 to about 5% smaller than the first diameter, preferably from 2.5 to 3% smaller.
- the device is machine used in tobacco industry for manufacturing multi-segment filter rods, comprising: a garniture device; a feeding unit for arranging, longitudinally along an axis in a spaced-apart relationship, rod-like elements in a train on a wrapper transported on a garniture belt of the garniture device; a filling unit for supplying a loose material to compartments between the rod-like elements; a glue nozzle for gluing the wrapper around the loose material; a cutting head for cutting the continuous rod into multi-segment filter rods.
- the garniture device includes a transition section of the duct of the garniture device is located at least partially between the filling unit for supplying the loose material and the upper garniture part.
- a difference of dimension of the first greater diameter of the garniture duct and the second smaller diameter of the garniture device is preferably same or less than an average grain size of a loose material.
- a cleaning unit for removing contaminations of the loose material from the rod-like elements, comprising at least one suction element for receiving contaminations of the loose material and covering elements displaceable to positions in which the covering elements at least partially cover compartments filled with the loose material between the rod-like elements during the movement of the train in a vicinity of the suction element.
- the transition section can be located between the filling unit for supplying the loose material and the cleaning unit.
- the transition section can be located within the covering elements.
- the covering elements can be adapted to be located in a position in which a pressing surface of the covering elements is lowered with respect to the upper surface of the rod-like elements.
- the pressing surface of the covering elements can be lowered in the range of up to 1% of height of the rod-like elements.
- An exemplary method embodying features of the present invention for manufacturing multi-segment filter rods includes: arranging rod-like elements longitudinally along an axis, in a spaced-apart relationship, in a train on a wrapper located on a garniture belt; supplying a loose material to compartments located between the rod-like elements; decreasing a volume of the compartments located between the segments, wherein the compartments are partially filled with the loose material; applying glue to the wrapper and wrapping the wrapper around the rod-like elements and the loose material located in the compartments between the rod-like elements in order to form a continuous filter rod; and cutting the continuous filter rod into multi-segment filter rods.
- Devices and methods using the same enable the manufacture of segments filled with a loose material, wherein the segments are filled up as much as possible.
- the segments are filled up at least close to 100%.
- the present devices and methods provide a solution that does not cause significant contaminations of the rods with the loose material.
- FIG. 1 shows a fragment of an exemplary continuous rod, which is a multi-segment rod with segments filled insufficiently with a loose material;
- FIG. 2 shows a fragment of an exemplary continuous multi-segment rod with segments properly filled with a loose material
- FIG. 3 shows schematically a fragment of a machine for manufacturing multi-segment filter rods
- FIG. 4 shows a cross-sectional view A-A of a garniture part
- FIG. 5 shows a cross-sectional view B-B of the garniture part
- FIG. 6 shows a cross-sectional view C-C of the garniture part
- FIG. 7 shows an arrangement of longitudinal axes of sections of a garniture duct with respect to each other
- FIG. 8 shows an arrangement of generating lines of the sections of the garniture duct with respect to each other
- FIG. 9 shows a location of an element covering the compartments filled with a loose material in the region of decreasing compartments volume
- FIG. 10 shows a location of the element covering the compartments filled with the loose material in front of the region of decreasing compartments volume
- FIG. 11 shows a location of the element covering the compartments filled with the loose material behind the region of decreasing compartments volume
- FIG. 12 shows a cross-sectional view C-C of a garniture part
- FIG. 1 shows a fragment of an exemplary continuous multi-segment rod CR 1 formed from trains of rod-like elements S 1 and insufficiently filled segments SC 1 , formed by a known device, wherein the segments are wrapped in a wrapper 101 .
- the segments S 1 have a solid shape, typically cylindrical, whereas the segment SC 1 is formed from a loose material 102 which is located between the respective segments S 1 .
- FIG. 2 shows a fragment of an exemplary continuous multi-segment rod CR 2 formed from trains of rod-like elements: S 1 , S 2 and SC 2 (or, alternatively, only S 1 and SC 2 ), which is formed by the device presented herein.
- the segments S 1 , S 2 and SC 2 are wrapped in the wrapper 101 to form a continuous rod and are subsequently are cut into multi-segment rods, as presented in FIG. 3 .
- a machine 1 comprises a feeding unit 2 which is configured to arrange the rod-like elements S 1 , S 2 as a train ST 1 , wherein the rod-like elements S 1 , S 2 are transported in a substantially preset spaced relationship.
- the rod-like elements S 1 , S 2 are fed to a garniture belt 5 moving in a duct 9 along a garniture bar 7 (alternatively called a lower garniture part), wherein edges of the wrapper 101 and front surfaces of the elements S 1 and S 2 form compartments 3 , in which the loose material 102 is supplied from a filling unit 103 , forming a segment SC filled with the loose material.
- the train ST 2 of the rod-like elements S 1 , S 2 and SC that moves on the garniture belt 5 is wrapped in the wrapper 101 by a garniture device 6 .
- a cleaning unit 104 may be located next to the filling unit 103 , for removing contamination from the rod-like elements, i.e.
- the manufactured continuous rod CR is transported further and, after the wrapper 101 is glued by a gluing nozzle 4 and the garniture device 6 , it is subsequently cut by a cutting head 8 into individual multi-segment rods R.
- FIG. 4 shows a cross-sectional view A-A of the garniture bar 7 with the garniture belt 5 , on which the wrapper 101 is located, on which the rod-like elements S 1 , S 2 are located and the loose material 102 is already supplied into spaces between the rod-like elements S 1 , S 2 .
- the wrapper 101 is U-shaped by the garniture belt 5 .
- a diameter D 1 of the garniture bar 7 in a location where the loose material 102 is supplied is greater than a sum of a diameter of the rod-like element S 2 and a double thickness T of the garniture belt 5 .
- the thickness T of the garniture belt 5 is preferably between 0.2 to 1.5 mm.
- the decreasing of the compartments volume is realized by decreasing the diameter of the garniture duct 9 in the garniture bar 7 (in which the garniture belt 5 with the segments S 1 , S 2 and the loose material is guided) from the dimension D 1 into the dimension D 2 .
- the dimension D 1 of the diameter of the garniture duct 9 is specified so that it prevents the grains of the loose material 102 to fall between the segments S 1 , S 2 and the wrapper 101 .
- the difference in values of the dimensions D 1 and D 2 depends on the type of material from which the segments S 1 , S 2 are made of, on the type of the loose material 102 and a degree of filling of the compartment with the loose material 102 .
- the difference in values between dimensions D 1 and D 2 is not greater than an average size of a grain of the loose material 102 .
- the difference between the diameters D 1 and D 2 is from 0.2 to 1 mm, and more preferably from 0.2 to 0.5 mm or from 0.2 to 0.3 mm.
- the second diameter D 2 may be smaller than the first diameter D 1 from 1 to 5%, preferably from 2.5 to 3%.
- the decrease of the diameters of the garniture duct 9 is effected on a certain distance L, which may be equal from 30 to 100 mm, preferably from 40 to 90 mm.
- the dimension D 2 is preferably equal to a sum of the diameter of the rod-like element S 2 and a double thickness T of the garniture belt 5 .
- FIG. 5 shows a location, wherein the diameter of the garniture duct 9 is decreased to dimension D 2 and the compartment filled with the loose material 102 is covered from the top by a covering element 10 of the cleaning unit 104 .
- the pressing surfaces 10 a of the covering elements 10 touch the loose material 102 accumulated in the consecutive compartments between the rod-like elements S 1 , S 2 .
- the pressing surfaces 10 a may be made of an air permeable or impermeable material, depending on the type of the loose material.
- the covering elements 10 are resilient, for example they may be made of rubber or a sponge-like material.
- the cleaning unit 104 is equipped with a suction element 12 , preferably a suction nozzle, supplying negative pressure to the zone in which the covering elements 10 have contact with the loose material or enclose the loose material.
- the suction element 12 is intended to remove contaminations from the rod-like elements, i.e. particles of the loose material which fall on the surface of the rod-like elements S 1 , S 2 in the preceding step, i.e. when the loose material is supplied from the filling unit 103 .
- FIG. 6 shows the garniture device 6 comprising the garniture bar 7 and an upper garniture part 11 , which has forming parts 11 a for wrapping the segments S 1 , S 2 and the loose material 102 with the wrapper 101 .
- the loose material 102 is concentrated in the decreased compartment between the segments, which increases the quality of filling of the compartment.
- the section of the garniture duct 9 a is a section having a greater diameter D 1 and is located at the inlet side of the garniture duct 9 .
- the section of the garniture duct 9 b is a section having smaller diameter D 2 and is located at the outlet side of the garniture duct 9 . Between the section 9 a and 9 b of the garniture duct 9 there is a transition section 9 c of the garniture duct 9 .
- a longitudinal axis X of the garniture duct 9 may coincide, respectively, with the axes X 1 , X 2 , X 3 of the sections of the garniture duct having the greater diameter 9 a, the transition section 9 c and the section of the duct having smaller diameter 9 b, as shown in FIG. 7 .
- Another embodiment is also possible, as shown in FIG.
- the sections of the garniture duct 9 a, 9 c, 9 b have respectively generating lines Y 1 , Y 3 , Y 2 which are arranged in parallel with respect to each other on one common plane Z. Moreover, it is advantageous when the generating line Y 1 of the section of the garniture duct 9 a having the greater diameter, the generating line Y 2 of the transition section of the garniture duct 9 c and the generating line Y 3 of the section of the garniture duct 9 b having the smaller diameter, coincide with each other.
- FIG. 9 shows an example of placement of the covering element 10 of the compartment filled with the loose material 102 , in a region of the decreasing volume of the compartments between the segments S 1 , S 2 , in a top view.
- the segments S 1 , S 2 and the compartments with the loose material 102 together with the wrapper 101 placed on the garniture belt 5 are moved downwards towards the cutting head in the garniture duct 9 of the garniture bar 7 .
- the diameter of the garniture duct is equal to D 1
- the loose material 102 becomes concentrated and the filling of the compartment increases, the loose material being slightly lifted towards the top of the compartment.
- a cleaning unit 104 in which the covering element 10 covers the loose material 102 from the top and simultaneously presses and concentrates it in the direction of the compartment interior and causes initial shaping of the upper surface of the compartment with the loose material 102 .
- the covering element 10 covers the loose material 102 , the contaminations of the loose material from the rod-like elements are removed by the suction element 12 .
- the covering element 10 prevents the loose material, which rises due to the narrowing of the garniture duct, from elevating above the upper edge of the segments S 1 , S 2 .
- the cleaning unit 104 may be also located in front of the section L, in which the diameter of the garniture duct 9 is decreased, as shown in the second embodiment in FIG. 10 .
- the contaminations of the loose material generated in the step of filling of the loose material 102 in the filling unit 103 are removed by the cleaning unit 104 .
- the loose material 102 supplied to the compartments between the segments S 1 , S 2 is initially concentrated and shaped from the top by the pressing surface 10 a of the covering element 10 .
- FIG. 11 Another embodiment is shown in FIG. 11 , where the cleaning unit 104 is located behind the section L which decreases the diameter of the garniture duct 9 .
- the advantage of such a solution is that after the decrease of the diameter of the garniture duct 9 to the dimension D 2 , the loose material 102 inside the compartment is shaped so that its surplus is pushed towards the top, wherein the compartment with the loose material 102 is covered from the top by the pressing surface 10 a of the covering element 10 , and the loose material 102 located outside the covered region is removed by the suction element 12 .
- FIG. 12 shows a cross-section C-C of the garniture bar 7 .
- the figure shows the garniture device 6 comprising the lower part, in other words the garniture bar 7 and the upper garniture part 11 , which is used to wrap the rod-like elements S 1 , S 2 and the loose material 102 with the wrapper 101 .
- This process is performed after the segments S 1 , S 2 of the compartments 3 with the loose material pass through the sections of the duct 9 a, 9 c and after the cleaning of the upper surface of the rod-like elements from the contaminations in location where the garniture duct 9 has the final diameter D 2 .
- defects in the segments CR 2 that would result from insufficient filling with the loose material 102 ) are avoided.
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
A garniture device for a machine used in tobacco industry for manufacturing a continuous rod comprising a loose material wrapped with a wrapper. The garniture device has an upper garniture part having forming parts for forming the wrapper around the loose material; a lower garniture part; a garniture duct extending along at least a portion of the lower garniture part; a garniture belt movable in the garniture duct for transporting the wrapper along the garniture duct. The garniture duct further has an inlet part for transforming the garniture belt from a flat configuration into a U-shaped configuration; an outlet part for transforming the garniture belt from the U-shaped configuration into the flat configuration; and a U-shaped part disposed between the inlet part and the outlet part for guiding the garniture belt in the U-shaped configuration.
Description
- The present disclosure relates to a garniture device, a machine for manufacturing multi-segment filter rods and a method for manufacturing multi-segment filter rods.
- Tobacco industry products, such as cigarettes, may comprise segment filters with various filtering materials, in particular loose materials, such as activated charcoal in a form of a loose granulate located between neighboring segments of a solid form. A segment with activated charcoal can be formed by placing the charcoal between the neighboring solid segments, which typically have a form of rod-like elements having filtering properties (for example segments made of acetate) or rod-like elements having non-filtering properties (for example paper pipes or other elements made of plastic). Manufacturers of filters comprising charcoal or other granulate materials aim for placement of portions of the loose material such that the space between the solid segments is filled up as much as possible, preferably in 100%. In such a filter, smoke passes through the filtering material, wherein undesired substances contained in the smoke are filtered out. In the filter wherein the spaces between the solid form segments is not sufficiently filled with the loose material, smoke may bypass the filtering material and pass through empty spaces present in the filter. Moreover, such a filter is prone to deformations in the region filled with the loose material.
- A U.S. Pat. No. 411,602 discloses a device for compacting filtering segments containing charcoal granulate. One of its disadvantages is that the segments are deformed by a pin, which pushes an inner part of the segment made of filtering fiber into a charcoal segment which is not sufficiently filled, such as to eliminate an empty space.
- A U.S. Pat. No. 6,656,412 discloses a device for increasing the degree of filling of a space located between segments with granulate. The granulate is introduced on two stations, wherein after each introduction it is pressed into the space between the segments. One disadvantage of such a solution is contamination of the product with the granulate and dust. Moreover, such solution occupies lots of space in the machine and therefore its application is problematic in modern machines, which are expected to have compact size.
- A European patent application EP1293136 discloses a production machine for the tobacco industry, to produce continuous covered cylindrical lengths of hard filter materials or tobacco, has a format unit with side guide surfaces linked together by a curved guide surface. The guide surfaces form a contour on a plane at right angles to the direction of material movement through the unit. At least one side guide surface is asymmetrical before it reaches a vertical orientation.
- A U.S. Pat. No. 4,185,645 discloses that cigarette filter units are made in a long strip with alternate portions of fibrous and pourable filter material. The fibrous portions are first attached at spaced intervals to a sheathing strip which is wrapped practically right around them to form a cylinder with regular empty spaces between the fibrous portions and openings into the spaces. In a special unit, air is extracted from these spaces so that when the spaces enter a chamber containing pourable filter material, they suck the material in to fully fill the spaces. Excess filter material is brushed off the filter unit, and a sealing strip is stuck over the openings.
- There is a need to provide a device for manufacturing multi-segment filter rods with greater packing efficiency.
- The present invention is directed to a garniture device for a machine used in tobacco industry, and methods using the same.
- In an embodiment, the device is used for manufacturing a continuous rod comprising a loose material wrapped with a wrapper, wherein the garniture device comprises: a lower garniture part; a garniture duct formed in the lower garniture part; a garniture belt movable in the garniture duct for transporting the wrapper along the garniture duct; an upper garniture part comprising forming parts for forming the wrapper around the loose material; wherein the garniture duct comprises: an inlet part for transforming the garniture belt from a flat configuration into a U-shaped configuration; a U-shaped part for guiding the garniture belt in the U-shaped configuration; an outlet part for transforming the garniture belt from the U-shaped configuration into the flat configuration. The U-shaped part of the garniture duct comprises, at the side of the inlet part, a first section having a first diameter and, at the side of the outlet part, a second section having a second diameter being smaller than the first diameter, wherein the first section is connected to the second section by a transition section having a surface of a variable diameter.
- The transition section may have a conical surface. The first section and the second section can be arranged co-axially with respect to each other. Generating lines of the first section, of the transition section and of the second section can be located on a common plane.
- The length of the transition section can be equal from about 30 to about 100 mm, preferably from about 50 to about 80 mm. The second diameter can be from about 1 to about 5% smaller than the first diameter, preferably from 2.5 to 3% smaller.
- In an embodiment, the device is machine used in tobacco industry for manufacturing multi-segment filter rods, comprising: a garniture device; a feeding unit for arranging, longitudinally along an axis in a spaced-apart relationship, rod-like elements in a train on a wrapper transported on a garniture belt of the garniture device; a filling unit for supplying a loose material to compartments between the rod-like elements; a glue nozzle for gluing the wrapper around the loose material; a cutting head for cutting the continuous rod into multi-segment filter rods. In an embodiment, the garniture device includes a transition section of the duct of the garniture device is located at least partially between the filling unit for supplying the loose material and the upper garniture part.
- In an embodiment, a difference of dimension of the first greater diameter of the garniture duct and the second smaller diameter of the garniture device is preferably same or less than an average grain size of a loose material.
- Between the filling unit for supplying the loose material and the upper garniture part there can be located a cleaning unit for removing contaminations of the loose material from the rod-like elements, comprising at least one suction element for receiving contaminations of the loose material and covering elements displaceable to positions in which the covering elements at least partially cover compartments filled with the loose material between the rod-like elements during the movement of the train in a vicinity of the suction element.
- The transition section can be located between the filling unit for supplying the loose material and the cleaning unit. The transition section can be located within the covering elements. The covering elements can be adapted to be located in a position in which a pressing surface of the covering elements is lowered with respect to the upper surface of the rod-like elements. The pressing surface of the covering elements can be lowered in the range of up to 1% of height of the rod-like elements.
- An exemplary method embodying features of the present invention for manufacturing multi-segment filter rods, includes: arranging rod-like elements longitudinally along an axis, in a spaced-apart relationship, in a train on a wrapper located on a garniture belt; supplying a loose material to compartments located between the rod-like elements; decreasing a volume of the compartments located between the segments, wherein the compartments are partially filled with the loose material; applying glue to the wrapper and wrapping the wrapper around the rod-like elements and the loose material located in the compartments between the rod-like elements in order to form a continuous filter rod; and cutting the continuous filter rod into multi-segment filter rods.
- Devices and methods using the same enable the manufacture of segments filled with a loose material, wherein the segments are filled up as much as possible. In an embodiment, the segments are filled up at least close to 100%. Furthermore, the present devices and methods provide a solution that does not cause significant contaminations of the rods with the loose material.
- Claimed subject matter is particularly pointed out and distinctly claimed in the concluding portion of the specification. However, both as to organization and/or method of operation, together with elements, features, and/or advantages thereof, it may best be understood by reference to the following detailed description if read with the accompanying drawings in which:
-
FIG. 1 shows a fragment of an exemplary continuous rod, which is a multi-segment rod with segments filled insufficiently with a loose material; -
FIG. 2 shows a fragment of an exemplary continuous multi-segment rod with segments properly filled with a loose material; -
FIG. 3 shows schematically a fragment of a machine for manufacturing multi-segment filter rods; -
FIG. 4 shows a cross-sectional view A-A of a garniture part; -
FIG. 5 shows a cross-sectional view B-B of the garniture part; -
FIG. 6 shows a cross-sectional view C-C of the garniture part; -
FIG. 7 shows an arrangement of longitudinal axes of sections of a garniture duct with respect to each other; -
FIG. 8 shows an arrangement of generating lines of the sections of the garniture duct with respect to each other; -
FIG. 9 shows a location of an element covering the compartments filled with a loose material in the region of decreasing compartments volume; -
FIG. 10 shows a location of the element covering the compartments filled with the loose material in front of the region of decreasing compartments volume; -
FIG. 11 shows a location of the element covering the compartments filled with the loose material behind the region of decreasing compartments volume; -
FIG. 12 shows a cross-sectional view C-C of a garniture part; -
FIG. 1 shows a fragment of an exemplary continuous multi-segment rod CR1 formed from trains of rod-like elements S1 and insufficiently filled segments SC1, formed by a known device, wherein the segments are wrapped in awrapper 101. The segments S1 have a solid shape, typically cylindrical, whereas the segment SC1 is formed from aloose material 102 which is located between the respective segments S1. -
FIG. 2 shows a fragment of an exemplary continuous multi-segment rod CR2 formed from trains of rod-like elements: S1, S2 and SC2 (or, alternatively, only S1 and SC2), which is formed by the device presented herein. The segments S1, S2 and SC2 are wrapped in thewrapper 101 to form a continuous rod and are subsequently are cut into multi-segment rods, as presented inFIG. 3 . Amachine 1 comprises afeeding unit 2 which is configured to arrange the rod-like elements S1, S2 as a train ST1, wherein the rod-like elements S1, S2 are transported in a substantially preset spaced relationship. The rod-like elements S1, S2 are fed to agarniture belt 5 moving in aduct 9 along a garniture bar 7 (alternatively called a lower garniture part), wherein edges of thewrapper 101 and front surfaces of the elements S1 and S2 form compartments 3, in which theloose material 102 is supplied from a fillingunit 103, forming a segment SC filled with the loose material. The train ST2 of the rod-like elements S1, S2 and SC that moves on thegarniture belt 5 is wrapped in thewrapper 101 by agarniture device 6. Acleaning unit 104 may be located next to thefilling unit 103, for removing contamination from the rod-like elements, i.e. particles of the loose material which fall on the surface of the rod-like elements S1 and S2 in the preceding step, i.e. when the loose material is supplied from the fillingunit 103. The manufactured continuous rod CR is transported further and, after thewrapper 101 is glued by a gluingnozzle 4 and thegarniture device 6, it is subsequently cut by a cuttinghead 8 into individual multi-segment rods R. -
FIG. 4 shows a cross-sectional view A-A of thegarniture bar 7 with thegarniture belt 5, on which thewrapper 101 is located, on which the rod-like elements S1, S2 are located and theloose material 102 is already supplied into spaces between the rod-like elements S1, S2. In this step of manufacturing, thewrapper 101 is U-shaped by thegarniture belt 5. A diameter D1 of thegarniture bar 7 in a location where theloose material 102 is supplied is greater than a sum of a diameter of the rod-like element S2 and a double thickness T of thegarniture belt 5. The thickness T of thegarniture belt 5 is preferably between 0.2 to 1.5 mm. It aims to receive greater amount of theloose material 102 in the compartments between the rod-like elements, so that in subsequent steps of manufacturing it is possible to decrease the volume of the compartments filled with theloose material 102. The decreasing of the compartments volume is realized by decreasing the diameter of thegarniture duct 9 in the garniture bar 7 (in which thegarniture belt 5 with the segments S1, S2 and the loose material is guided) from the dimension D1 into the dimension D2. The dimension D1 of the diameter of thegarniture duct 9 is specified so that it prevents the grains of theloose material 102 to fall between the segments S1, S2 and thewrapper 101. The difference in values of the dimensions D1 and D2 depends on the type of material from which the segments S1, S2 are made of, on the type of theloose material 102 and a degree of filling of the compartment with theloose material 102. Preferably, the difference in values between dimensions D1 and D2 is not greater than an average size of a grain of theloose material 102. Preferably, the difference between the diameters D1 and D2 is from 0.2 to 1 mm, and more preferably from 0.2 to 0.5 mm or from 0.2 to 0.3 mm. Moreover, the second diameter D2, may be smaller than the first diameter D1 from 1 to 5%, preferably from 2.5 to 3%. The decrease of the diameters of thegarniture duct 9 is effected on a certain distance L, which may be equal from 30 to 100 mm, preferably from 40 to 90 mm. The dimension D2 is preferably equal to a sum of the diameter of the rod-like element S2 and a double thickness T of thegarniture belt 5. -
FIG. 5 shows a location, wherein the diameter of thegarniture duct 9 is decreased to dimension D2 and the compartment filled with theloose material 102 is covered from the top by a coveringelement 10 of thecleaning unit 104. - Pressing
surfaces 10 a of the coveringelements 10 touch theloose material 102 accumulated in the consecutive compartments between the rod-like elements S1, S2. The pressing surfaces 10 a may be made of an air permeable or impermeable material, depending on the type of the loose material. The coveringelements 10 are resilient, for example they may be made of rubber or a sponge-like material. Furthermore, thecleaning unit 104 is equipped with asuction element 12, preferably a suction nozzle, supplying negative pressure to the zone in which thecovering elements 10 have contact with the loose material or enclose the loose material. Thesuction element 12 is intended to remove contaminations from the rod-like elements, i.e. particles of the loose material which fall on the surface of the rod-like elements S1, S2 in the preceding step, i.e. when the loose material is supplied from the fillingunit 103. -
FIG. 6 shows thegarniture device 6 comprising thegarniture bar 7 and anupper garniture part 11, which has formingparts 11 a for wrapping the segments S1, S2 and theloose material 102 with thewrapper 101. After transporting the segments S1, S2 and the compartments with theloose material 102 to the section of thegarniture bar 7 with a decreased diameter D2, theloose material 102 is concentrated in the decreased compartment between the segments, which increases the quality of filling of the compartment. The section of thegarniture duct 9 a is a section having a greater diameter D1 and is located at the inlet side of thegarniture duct 9. The section of thegarniture duct 9 b is a section having smaller diameter D2 and is located at the outlet side of thegarniture duct 9. Between thesection garniture duct 9 there is atransition section 9 c of thegarniture duct 9. A longitudinal axis X of thegarniture duct 9 may coincide, respectively, with the axes X1, X2, X3 of the sections of the garniture duct having thegreater diameter 9 a, thetransition section 9 c and the section of the duct havingsmaller diameter 9 b, as shown inFIG. 7 . Another embodiment is also possible, as shown inFIG. 8 , wherein the longitudinal axis X of thegarniture duct 9 does not coincide with all longitudinal axes X1, X2, X3 of the sections of thegarniture duct - The sections of the
garniture duct garniture duct 9 a having the greater diameter, the generating line Y2 of the transition section of thegarniture duct 9 c and the generating line Y3 of the section of thegarniture duct 9 b having the smaller diameter, coincide with each other. -
FIG. 9 shows an example of placement of the coveringelement 10 of the compartment filled with theloose material 102, in a region of the decreasing volume of the compartments between the segments S1, S2, in a top view. The segments S1, S2 and the compartments with theloose material 102 together with thewrapper 101 placed on thegarniture belt 5 are moved downwards towards the cutting head in thegarniture duct 9 of thegarniture bar 7. In the position where theloose material 102 is supplied to the compartments between the segments S1, S2, the diameter of the garniture duct is equal to D1, next it is gradually decreased within the section L until the dimension of the diameter is equal to D2. While decreasing the diameter of thegarniture duct 9, theloose material 102 becomes concentrated and the filling of the compartment increases, the loose material being slightly lifted towards the top of the compartment. Moreover, in the section L there is located acleaning unit 104, in which thecovering element 10 covers theloose material 102 from the top and simultaneously presses and concentrates it in the direction of the compartment interior and causes initial shaping of the upper surface of the compartment with theloose material 102. When the coveringelement 10 covers theloose material 102, the contaminations of the loose material from the rod-like elements are removed by thesuction element 12. The coveringelement 10 prevents the loose material, which rises due to the narrowing of the garniture duct, from elevating above the upper edge of the segments S1, S2. - The
cleaning unit 104 may be also located in front of the section L, in which the diameter of thegarniture duct 9 is decreased, as shown in the second embodiment inFIG. 10 . In this example, the contaminations of the loose material generated in the step of filling of theloose material 102 in thefilling unit 103, are removed by thecleaning unit 104. Theloose material 102 supplied to the compartments between the segments S1, S2 is initially concentrated and shaped from the top by thepressing surface 10 a of the coveringelement 10. Subsequently, such initially shapedloose material 102 with the segments S1, S2 and thewrapper 101 is transported downstream, along thegarniture duct 9 of thegarniture bar 7 by the section L, in which the diameter of thegarniture duct 9 is decreased from D1 to D2, what additionally causes concentration of theloose material 102 and the increase of filling of the compartment which decreases volumetrically. - Another embodiment is shown in
FIG. 11 , where thecleaning unit 104 is located behind the section L which decreases the diameter of thegarniture duct 9. The advantage of such a solution is that after the decrease of the diameter of thegarniture duct 9 to the dimension D2, theloose material 102 inside the compartment is shaped so that its surplus is pushed towards the top, wherein the compartment with theloose material 102 is covered from the top by thepressing surface 10 a of the coveringelement 10, and theloose material 102 located outside the covered region is removed by thesuction element 12. -
FIG. 12 shows a cross-section C-C of thegarniture bar 7. The figure shows thegarniture device 6 comprising the lower part, in other words thegarniture bar 7 and theupper garniture part 11, which is used to wrap the rod-like elements S1, S2 and theloose material 102 with thewrapper 101. This process is performed after the segments S1, S2 of thecompartments 3 with the loose material pass through the sections of theduct garniture duct 9 has the final diameter D2. In so formed continuous multi-segment rod, defects in the segments CR2 (that would result from insufficient filling with the loose material 102) are avoided.
Claims (16)
1. A garniture device for a machine used in tobacco industry for manufacturing a continuous rod comprising a loose material wrapped with a wrapper, wherein the garniture device comprises:
an upper garniture part comprising forming parts for forming the wrapper around the loose material;
a lower garniture part;
a garniture duct extending along at least a portion of the lower garniture part;
a garniture belt movable in the garniture duct for transporting the wrapper along the garniture duct;
the garniture duct further comprising:
an inlet part for transforming the garniture belt from a flat configuration into a U-shaped configuration;
an outlet part for transforming the garniture belt from the U-shaped configuration into the flat configuration; and
a U-shaped part disposed between the inlet part and the outlet part for guiding the garniture belt in the U-shaped configuration, the U-shaped part having a first section disposed at the side of the inlet part and having a first diameter, a second section disposed at the side of the outlet part and having a second diameter being smaller than the first diameter, and a variable diameter transition section disposed between the first and second sections.
2. The garniture device of claim 1 , wherein the transition section has a conical surface.
3. The garniture device of claim 1 , wherein the first section and the second section are arranged coaxially with respect to each other.
4. The garniture device of claim 1 , wherein generating lines of the first section, of the transition section and of the second section, are located on a common plane.
5. The garniture device of claim 2 , wherein generating lines of the first section, of the transition section and of the second section are located on a common plane.
6. The garniture device of claim 1 , wherein the length of the transition section ranges from about 30 to about 100 mm.
7. The garniture device of claim 1 , wherein the second diameter is about 1% to about 5% smaller than the first diameter.
8. A machine used in tobacco industry for manufacturing multi-segment filter rods, comprising:
a garniture device having an upper garniture part comprising forming parts for forming a wrapper around a loose material;
a lower garniture part;
a garniture duct extending along at least a portion of the lower garniture part;
a garniture belt movable in the garniture duct for transporting the wrapper along the garniture duct;
a feeding unit for arranging, longitudinally along an axis in a spaced-apart relationship, rod-like elements in a train on the wrapper transported on a garniture belt;
a filling unit for supplying the loose material to compartments between the rod-like elements;
a glue nozzle for gluing the wrapper around the loose material;
a cutting head for cutting the continuous rod into multi-segment filter rods;
the garniture duct further comprising:
an inlet part for transforming the garniture belt from a flat configuration into a U-shaped configuration;
an outlet part for transforming the garniture belt from the U-shaped configuration into the flat configuration; and
a U-shaped part disposed between the inlet part and the outlet part for guiding the garniture belt in the U-shaped configuration, the U-shaped part having a first section disposed at the side of the inlet part and having a first diameter, a second section disposed at the side of the outlet part and having a second diameter being smaller than the first diameter, and a variable diameter transition section disposed between the first and second sections, and wherein the transition section is located at least partially between the filling unit and the upper garniture part.
9. The machine of claim 8 , wherein a difference between the first diameter and second diameter is equal or less than an average grain size of the loose material.
10. The machine of claim 8 , wherein a cleaning unit is disposed, between the filling unit and the upper garniture part, for removing contaminants of the loose material from the rod-like elements, comprising at least one suction element for receiving contaminants of the loose material and covering elements displaceable to positions in which the covering elements at least partially cover compartments filled with the loose material between the rod-like elements during the movement of the train in a vicinity of the suction element.
11. The machine of claim 8 , wherein the transition section is located between the filling unit and the cleaning unit.
12. The machine of claim 8 , wherein the transition section is located within the covering elements.
13. The machine of claim 8 , wherein pressing surface of the covering elements is lowered with respect to the upper surface of the rod-like elements in response to pressure.
14. The machine of claim 8 , wherein the pressing surface of the covering elements is lowered in a range up to 1% of a height of the rod-like elements.
15. A method for manufacturing multi-segment filter rods, comprising:
arranging rod-like elements longitudinally along an axis, in a spaced-apart relationship, in a train on a wrapper located on a garniture belt;
supplying a loose material to compartments located between the rod-like elements;
decreasing a volume of the compartments partially filled with the loose material and located between the segments;
applying glue to the wrapper and wrapping the wrapper around the rod-like elements and the loose material to form a continuous filter rod; and
cutting the continuous filter rod into multi-segment filter rods.
16. A method for manufacturing multi-segment filter rods using a machine, the machine comprising:
a garniture device having an upper garniture part comprising forming parts for forming a wrapper around a loose material;
a lower garniture part;
a garniture duct extending along at least a portion of the lower garniture part;
a garniture belt movable in the garniture duct for transporting the wrapper along the garniture duct;
a feeding unit for arranging, longitudinally along an axis in a spaced-apart relationship, rod-like elements in a train on the wrapper transported on a garniture belt;
a filling unit for supplying the loose material to compartments between the rod-like elements;
a glue nozzle for gluing the wrapper around the loose material;
a cutting head for cutting the continuous rod into multi-segment filter rods;
the garniture duct further comprising:
an inlet part for transforming the garniture belt from a flat configuration into a U-shaped configuration;
an outlet part for transforming the garniture belt from the U-shaped configuration into the flat configuration; and
a U-shaped part disposed between the inlet part and the outlet part for guiding the garniture belt in the U-shaped configuration, the U-shaped part having a first section disposed at the side of the inlet part and having a first diameter, a second section disposed at the side of the outlet part and having a second diameter being smaller than the first diameter, and a variable diameter transition section disposed between the first and second sections, and wherein the transition section is located at least partially between the filling unit and the upper garniture part.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17158866.8A EP3369325B1 (en) | 2017-03-02 | 2017-03-02 | A garniture device and a machine and a method for manufacturing multi-segment filter rods |
EPEP17158866.8 | 2017-03-02 |
Publications (1)
Publication Number | Publication Date |
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US20190008203A1 true US20190008203A1 (en) | 2019-01-10 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US15/909,797 Abandoned US20190008203A1 (en) | 2017-03-02 | 2018-03-01 | Garniture device and a machine and a method for manufacturing multi-segment filter rods |
Country Status (7)
Country | Link |
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US (1) | US20190008203A1 (en) |
EP (1) | EP3369325B1 (en) |
JP (1) | JP2018143234A (en) |
KR (1) | KR102614970B1 (en) |
CN (1) | CN108523214A (en) |
BR (1) | BR102018004169A2 (en) |
RU (1) | RU2745714C2 (en) |
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US411602A (en) | 1889-09-24 | Dust-collector | ||
GB1231271A (en) * | 1968-02-16 | 1971-05-12 | ||
DE2555129C3 (en) * | 1975-12-08 | 1979-10-18 | Baumgartner Papiers Sa | Cigarette filter unit and device for producing the same |
US4474190A (en) * | 1981-03-21 | 1984-10-02 | Hauni-Werke Korber & Co. Kg | Method and apparatus for regulating the operation of machines for the production of cigarettes or the like |
US4541826A (en) * | 1981-09-25 | 1985-09-17 | Molins Plc | Method and apparatus for making composite filter rods |
US6656412B2 (en) * | 2001-08-17 | 2003-12-02 | Philip Morris Incorporated | Compaction system for particles in particle filled cavities of an article |
DE10145327A1 (en) * | 2001-09-14 | 2003-04-03 | Hauni Maschinenbau Ag | Sizing set for a rod machine in the tobacco processing industry |
US7117871B2 (en) * | 2002-12-20 | 2006-10-10 | R.J. Reynolds Tobacco Company | Methods for manufacturing cigarettes |
US7381175B2 (en) * | 2004-12-22 | 2008-06-03 | Philip Morris Usa Inc. | Compound filter rod making apparatus and process |
US7481757B2 (en) * | 2006-12-28 | 2009-01-27 | Philip Morris Usa Inc. | Tube rolling device |
PL222076B1 (en) * | 2010-03-11 | 2016-06-30 | Int Tobacco Machinery Poland Spółka Z Ograniczoną Odpowiedzialnością | Method for opening a cigarette pack and unit of a machine for opening the cigarette pack and for recovering tobacco from damaged or defective cigarettes |
US9138017B2 (en) * | 2010-10-15 | 2015-09-22 | Celanese Acetate Llc | Apparatuses, systems, and associated methods for forming porous masses for smoke filter |
SG195129A1 (en) * | 2011-05-31 | 2013-12-30 | Philip Morris Prod | Navigation user interface in support of page-focused, touch- or gesture-based browsing experience |
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- 2017-03-02 EP EP17158866.8A patent/EP3369325B1/en active Active
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- 2018-03-01 US US15/909,797 patent/US20190008203A1/en not_active Abandoned
- 2018-03-01 BR BR102018004169A patent/BR102018004169A2/en not_active Application Discontinuation
- 2018-03-02 CN CN201810175846.7A patent/CN108523214A/en active Pending
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KR102614970B1 (en) | 2023-12-15 |
EP3369325B1 (en) | 2023-05-10 |
RU2745714C2 (en) | 2021-03-30 |
RU2018107425A3 (en) | 2021-02-18 |
JP2018143234A (en) | 2018-09-20 |
KR20180101221A (en) | 2018-09-12 |
CN108523214A (en) | 2018-09-14 |
BR102018004169A2 (en) | 2018-10-30 |
EP3369325A1 (en) | 2018-09-05 |
RU2018107425A (en) | 2019-08-28 |
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