US20210112853A1 - Machine for manufacturing filter rods - Google Patents
Machine for manufacturing filter rods Download PDFInfo
- Publication number
- US20210112853A1 US20210112853A1 US17/071,162 US202017071162A US2021112853A1 US 20210112853 A1 US20210112853 A1 US 20210112853A1 US 202017071162 A US202017071162 A US 202017071162A US 2021112853 A1 US2021112853 A1 US 2021112853A1
- Authority
- US
- United States
- Prior art keywords
- length longitudinal
- unit
- longitudinal objects
- objects
- length
- 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.)
- Abandoned
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Classifications
-
- 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
- A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
- A24D3/0279—Manufacture of tobacco smoke filters for filters with special features with tubes
-
- 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
-
- 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
- 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
- A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
- A24D3/0291—Manufacture of tobacco smoke filters for filters with special features for hollow tipped filters, e.g. recess filters
-
- 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
Definitions
- the present disclosure relates to a machine for manufacturing filter rods.
- mouthpieces comprising filtering material are commonly used.
- mouthpieces in which full segments and tube segments are juxtaposed with each other, wherein the full segments and the tube segments are made of different materials or are both made of the same type of material.
- full segments and tube segments are made of different materials or are both made of the same type of material.
- a machine for manufacturing tobacco industry filter rods the filter rods comprising single-length longitudinal objects and method for using the same, comprises: a preparation unit for preparing a strand of filtering fibers; a forming unit for forming a continuous filter rod from the strand of the filtering fibers; a feeding unit for feeding multiple-length longitudinal objects; a cutting unit for cutting the multiple-length longitudinal objects into the single-length longitudinal objects; a transferring unit for transferring the single-length longitudinal objects; a positioning unit for placing the single-length longitudinal objects in the continuous filter rod while it is being formed; a cutting head for cutting the formed continuous filter rod that comprises the filtering fibers and the single-length longitudinal objects, into individual filter rods; wherein the cutting unit for cutting the multiple-length longitudinal objects into the single-length longitudinal objects comprises a multi-flute drum conveyor.
- the feeding unit for feeding the multiple-length longitudinal objects may comprise a channel configured to feed the multiple-length longitudinal objects in a form of a mass flow.
- the transferring unit may be configured to transfer the single-length longitudinal objects in the form of a flow of the single-length longitudinal objects along a duct.
- the transferring unit for transferring the single-length longitudinal objects may comprise a transferring drum having a spiral element on its side surface.
- a separating unit may be located at the end of the duct and configured to receive the single-length longitudinal objects and to transfer the single-length longitudinal objects, one by one, to the positioning unit.
- the positioning unit for placing the single-length longitudinal objects into the continuous filter rod may comprise a rotary positioning disc having a horizontal axis, wherein the positioning disc may comprise transporting seats for the single-length longitudinal objects.
- the positioning unit for placing the single-length longitudinal objects into the continuous filter rod being formed may comprise a longitudinal pushing-off element for pushing the single-length longitudinal objects out of the transporting seats of the positioning disc.
- the positioning unit for placing the single-length longitudinal objects into the continuous filter rod may comprise a rotary pushing element for pushing the single-length longitudinal objects out of the transporting seats of the positioning disc.
- the machine may comprise a gluing unit for supplying glue onto the single-length longitudinal objects.
- the gluing unit may have a nozzle for supplying glue is located at a circumference of the positioning disc.
- the multiple-length longitudinal object may have a form of a tube.
- the machine according to the present invention provides high quality of manufactured rods, the quality being indicated by both a repeatability of positioning of the tube along the rod, as well as a central positioning of the tube in a cross-section of the rod.
- FIG. 1 presents a cross-section of a filter rod.
- FIG. 2 presents a cross-section of a single mouthpiece.
- FIG. 3 presents a multiple-length longitudinal object.
- FIG. 4 presents a machine for manufacturing filter rods.
- FIG. 5 presents a transporting path of single-length longitudinal objects.
- FIG. 6 presents a fragment of the machine for manufacturing filter rods.
- FIG. 7 presents a cross-section across a positioning unit of the machine of FIG. 6 .
- FIG. 8 presents a fragment of the machine for manufacturing filter rods.
- FIG. 9 presents a cross-section across a positioning unit of the machine of FIG. 8 .
- FIG. 10 presents a fragment of the machine for manufacturing filter rods.
- FIG. 11 presents a cross-section across a positioning unit of the machine of FIG. 10 .
- FIG. 1 An example of a filter rod 1 is presented in a cross-section in FIG. 1 . It comprises two longitudinal objects in a form of tubes 2 .
- the tubes 2 are located centrally along an X axis of the filter rod 1 .
- the tubes 2 are arranged along the X axis such that each filter rod 1 may be cut into two parts along a plane k that is perpendicular to the X axis, and each of that two parts may be cut along two planes: m and n, which are distanced from each other and from the plane k, and which are perpendicular to the X axis. Therefore, four mouthpieces 3 can be obtained from the single filter rod 1 , wherein a full end 4 as well as a tube end 5 ( FIG.
- FIG. 3 presents a multiple-length longitudinal object—a tube 6 , which during the manufacturing process of the filter rods is cut into several tubes 2 , which will be referenced herein as single-length longitudinal objects 2 , wherein the multiple-length longitudinal object 6 is cut along several planes c perpendicular to a longitudinal axis Z of the tube 6 .
- FIG. 4 A machine 10 for manufacturing filter rods 1 having single-length longitudinal objects 2 is shown in FIG. 4 .
- the machine comprises a preparation unit 11 for preparing a strand of filtering fibers, a forming unit 12 for forming a continuous filter rod CR from a strand F of filtering fibers, a feeding unit 13 for feeding the multiple-length longitudinal objects 6 as a mass flow MF, a cutting unit 14 for cutting the multiple-length longitudinal objects 6 into single-length longitudinal objects 2 , a transferring unit 15 for transferring the single-length longitudinal objects 2 as a flow of single-length longitudinal objects 2 , a positioning unit 16 for placing the single-length longitudinal objects 2 into the continuous filter rod CR, a cutting head 17 for cutting the formed continuous filter rod CR (that comprises the filtering fibers and the single-length longitudinal objects 2 ), into single filter rods 1 .
- the strand F is subject to stretching, both in a transfer direction and in a direction transverse with respect to the transfer direction. Individual fibers of the strand F are separated, therefore it is possible to form a uniform rod having a circular cross-section in a preliminary forming unit 18 for forming the strand F of filtering fibers, in which the strand F of filtering fibers is gradually compressed, in order to make it possible to form a continuous rod CR having a circular cross-section at the output of the forming unit 12 .
- the machine comprises a wrapper feeding unit 19 for feeding a wrapper P.
- the feeding unit 13 for feeding the multiple-length longitudinal objects 6 is located above the forming unit 12 for forming the continuous filter rod CR from the strand F of filtering fibers.
- the feeding unit 13 comprises a channel 20 configured to feed the multiple-length longitudinal objects 6 in the form of the mass flow MF i.e. a multilayer stream of the multiple-length longitudinal objects 6 .
- the feeding unit 13 comprises a hopper 21 located directly above the cutting unit 14 .
- the cutting unit 14 comprises a multi-flute drum conveyor 22 and a disc knife unit 23 .
- the multiple-length longitudinal objects 6 are placed into the flutes of the drum conveyor 22 and the single-length longitudinal objects 2 obtained after cutting are received from the flutes of this conveyor in order to form the flow SF of single-length longitudinal objects 2 .
- the single-length longitudinal objects 2 are transferred as the flow SF of single-length longitudinal objects 2 along a substantially horizontal duct 25 ( FIG. 5 ).
- the single-length longitudinal objects 2 are transferred in groups G by means of pushers 24 , wherein only one group G is presented in the drawing to improve clarity.
- the single-length longitudinal objects 2 are transferred further by means of a transferring drum 26 having a spiral element 27 located on a side surface 28 of the transferring drum 26 .
- the spiral element 27 pushes the single-length longitudinal objects 2 during rotation of the transferring drum 26 .
- the single-length longitudinal objects 2 are transferred from the transferring unit 15 to the positioning unit 16 directly or by means of a separating unit 29 .
- the aim of the positioning unit 16 is to place the single-length longitudinal objects 2 inside continuous, cylindrically shaped strand F of the acetate fibers being formed, the single-length longitudinal objects 2 being placed by means of a positioning disc 30 with transporting seats 31 .
- the transporting path of the flow SF may be located tangentially to the positioning disc 30 . Placing of the single-length longitudinal objects 2 is performed when the fibers are initially formed, loosely enough, so that when the single-length longitudinal object 2 is being inserted, the fibers of the strand F are moved apart and will surround this object during further forming of the fiber strand F, such that a uniform density of the filtering material can be obtained around the said object.
- the density of the strand F of the filtering fibers (across the cross-section of the strand) at this stage is low and uniform enough, so as to achieve accurate central positioning of the single-length longitudinal object 2 in the filtering fibers strand F by means of the positioning disc 30 in the continuous rod CR.
- the transporting seats 31 may be formed by means of pushers 32 on a circumference 33 .
- the rotary motion of the positioning disc 30 defining the position of the single-length longitudinal objects 2 is synchronized with the transferring of the wrapper P and the strand F of the filtering fibers, therefore the longitudinal arrangement of the single-length longitudinal objects 2 in the continuous rod CR being formed is repeatable and set with high accuracy.
- the positioning disc 30 has a horizontal axis Y of rotation.
- the positioning unit 16 for placing the single-length longitudinal objects 2 in the filter rod comprises a longitudinal pushing element 34 , presented in a cross-section in FIG. 7 , for pushing the single-length longitudinal objects 2 out of the transporting slots 31 of the positioning disc 30 during rotation of this disc.
- the stationary pushing elements 34 , 34 ′ may be substituted by rotary mounted pushing elements 37 , 37 ′, for example such as discs presented in FIG. 8 and presented in a cross-section in FIG. 9 .
- the purpose of the stationary pushing elements 34 , 34 ′ as well as the rotary mounted pushing elements 37 , 37 ′ is to provide the central positioning of the single-length longitudinal objects 2 in the cross-section of the continuous rod CR, because the central positioning is set for the whole length of the inserted object.
- the transporting seat 31 ′ may have a form of a cylindrical groove of a diameter corresponding to the diameter of the single-length longitudinal object 2 .
- the single-length longitudinal objects 2 may be held by means of an arc guide 38 .
- the single-length longitudinal objects 2 may be held in the transporting seats 31 ′ by means of negative pressure supplied through ducts 39 .
- a gluing unit 35 configured to supply glue onto the single-length longitudinal objects 2 .
- the gluing unit may have a nozzle 36 that supplies the glue in a cyclic pulse manner. Owing to use of the glue, a single-length longitudinal object 2 is being fixed immovably with respect to the fibers of the continuous filter rod CR that is being formed.
- FIG. 10 presents a fragment of the machine comprising the positioning unit 16 ′ with transporting seats 31 ′ arranged peripherally by protrusions 40 at the circumference 33 ′ of the positioning disc 30 ′.
- Each transporting seat 31 ′ has two protrusions 40 , which limit the single-length longitudinal object 2 which is placed in the transporting seat 31 ′ at both sides.
- Such solution facilitates obtaining a uniform longitudinal arrangement of the single-length longitudinal objects 2 in the continuous rod CR, because the positioning of the single-length longitudinal object 2 is defined at both sides.
- the single-length longitudinal object 2 is fed into the transporting seat 31 ′ from the top by means of the separating unit 29 .
- the single-length longitudinal object 2 is transferred in the transporting seat 31 ′, wherein at the outside it is held by means of a guide 38 ′ having an inner guiding surface 41 corresponding to the diameter of the single-length longitudinal object 2 ( FIG. 11 ).
- the guides may have any shape.
- Side guides 42 , 42 ′ may be additionally implemented, which are referenced by dashed lines.
- FIG. 11 presents also two gluing units 35 ′, which supply glue onto the outer surface of the single-length longitudinal object 2 . Alternatively, it is possible to locate the gluing unit only at one side of the transporting path of these objects.
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
Description
- The present disclosure relates to a machine for manufacturing filter rods.
- In tobacco industry products, mouthpieces comprising filtering material are commonly used. Full filter segments having a circular cross-section, as well as tube segments with a tube that may have any thickness of the wall, are used. There are known mouthpieces, in which full segments and tube segments are juxtaposed with each other, wherein the full segments and the tube segments are made of different materials or are both made of the same type of material. There is a need to manufacture such two-segment mouthpieces in a simple and inexpensive manner, and so that fibers of the filtering material extend along the whole length of the mouthpiece. In tobacco industry there is a need for machines, which manufacture said mouthpieces in a simple method in a single technological operation.
- The following presents a simplified summary of some embodiments of the invention in order to provide a basic understanding of the invention. It is not intended to identify key/critical elements of the invention or to delineate the scope of the invention.
- As such, a machine for manufacturing tobacco industry filter rods, the filter rods comprising single-length longitudinal objects and method for using the same, comprises: a preparation unit for preparing a strand of filtering fibers; a forming unit for forming a continuous filter rod from the strand of the filtering fibers; a feeding unit for feeding multiple-length longitudinal objects; a cutting unit for cutting the multiple-length longitudinal objects into the single-length longitudinal objects; a transferring unit for transferring the single-length longitudinal objects; a positioning unit for placing the single-length longitudinal objects in the continuous filter rod while it is being formed; a cutting head for cutting the formed continuous filter rod that comprises the filtering fibers and the single-length longitudinal objects, into individual filter rods; wherein the cutting unit for cutting the multiple-length longitudinal objects into the single-length longitudinal objects comprises a multi-flute drum conveyor.
- The feeding unit for feeding the multiple-length longitudinal objects may comprise a channel configured to feed the multiple-length longitudinal objects in a form of a mass flow.
- The transferring unit may be configured to transfer the single-length longitudinal objects in the form of a flow of the single-length longitudinal objects along a duct.
- The transferring unit for transferring the single-length longitudinal objects may comprise a transferring drum having a spiral element on its side surface.
- A separating unit may be located at the end of the duct and configured to receive the single-length longitudinal objects and to transfer the single-length longitudinal objects, one by one, to the positioning unit.
- The positioning unit for placing the single-length longitudinal objects into the continuous filter rod may comprise a rotary positioning disc having a horizontal axis, wherein the positioning disc may comprise transporting seats for the single-length longitudinal objects.
- The positioning unit for placing the single-length longitudinal objects into the continuous filter rod being formed may comprise a longitudinal pushing-off element for pushing the single-length longitudinal objects out of the transporting seats of the positioning disc.
- The positioning unit for placing the single-length longitudinal objects into the continuous filter rod may comprise a rotary pushing element for pushing the single-length longitudinal objects out of the transporting seats of the positioning disc.
- The machine may comprise a gluing unit for supplying glue onto the single-length longitudinal objects.
- The gluing unit may have a nozzle for supplying glue is located at a circumference of the positioning disc.
- The multiple-length longitudinal object may have a form of a tube.
- The machine according to the present invention provides high quality of manufactured rods, the quality being indicated by both a repeatability of positioning of the tube along the rod, as well as a central positioning of the tube in a cross-section of the rod.
- The present machine(s) will be described further, by way of example, with reference to embodiments thereof as illustrated in the accompanying drawings. It should be understood, however, that the accompanying drawings illustrate only the various implementations described herein and are not meant to limit the scope of various techniques, methods, systems, or apparatuses described herein.
-
FIG. 1 presents a cross-section of a filter rod. -
FIG. 2 presents a cross-section of a single mouthpiece. -
FIG. 3 presents a multiple-length longitudinal object. -
FIG. 4 presents a machine for manufacturing filter rods. -
FIG. 5 presents a transporting path of single-length longitudinal objects. -
FIG. 6 presents a fragment of the machine for manufacturing filter rods. -
FIG. 7 presents a cross-section across a positioning unit of the machine ofFIG. 6 . -
FIG. 8 presents a fragment of the machine for manufacturing filter rods. -
FIG. 9 presents a cross-section across a positioning unit of the machine ofFIG. 8 . -
FIG. 10 presents a fragment of the machine for manufacturing filter rods. -
FIG. 11 presents a cross-section across a positioning unit of the machine ofFIG. 10 . - An example of a
filter rod 1 is presented in a cross-section inFIG. 1 . It comprises two longitudinal objects in a form oftubes 2. Thetubes 2 are located centrally along an X axis of thefilter rod 1. Thetubes 2 are arranged along the X axis such that eachfilter rod 1 may be cut into two parts along a plane k that is perpendicular to the X axis, and each of that two parts may be cut along two planes: m and n, which are distanced from each other and from the plane k, and which are perpendicular to the X axis. Therefore, fourmouthpieces 3 can be obtained from thesingle filter rod 1, wherein afull end 4 as well as a tube end 5 (FIG. 2 ) may be directed towards a tobacco rod in a cigarette. Themouthpiece 3 may be used as one of segments of a multi-segment mouthpiece.FIG. 3 presents a multiple-length longitudinal object—atube 6, which during the manufacturing process of the filter rods is cut intoseveral tubes 2, which will be referenced herein as single-lengthlongitudinal objects 2, wherein the multiple-lengthlongitudinal object 6 is cut along several planes c perpendicular to a longitudinal axis Z of thetube 6. - A
machine 10 formanufacturing filter rods 1 having single-lengthlongitudinal objects 2 is shown inFIG. 4 . The machine comprises apreparation unit 11 for preparing a strand of filtering fibers, a formingunit 12 for forming a continuous filter rod CR from a strand F of filtering fibers, afeeding unit 13 for feeding the multiple-lengthlongitudinal objects 6 as a mass flow MF, acutting unit 14 for cutting the multiple-lengthlongitudinal objects 6 into single-lengthlongitudinal objects 2, a transferringunit 15 for transferring the single-lengthlongitudinal objects 2 as a flow of single-lengthlongitudinal objects 2, apositioning unit 16 for placing the single-lengthlongitudinal objects 2 into the continuous filter rod CR, acutting head 17 for cutting the formed continuous filter rod CR (that comprises the filtering fibers and the single-length longitudinal objects 2), intosingle filter rods 1. - In the
preparation unit 11 for preparing the strand of filtering fibers, the strand F is subject to stretching, both in a transfer direction and in a direction transverse with respect to the transfer direction. Individual fibers of the strand F are separated, therefore it is possible to form a uniform rod having a circular cross-section in a preliminary formingunit 18 for forming the strand F of filtering fibers, in which the strand F of filtering fibers is gradually compressed, in order to make it possible to form a continuous rod CR having a circular cross-section at the output of the formingunit 12. The machine comprises awrapper feeding unit 19 for feeding a wrapper P. - The
feeding unit 13 for feeding the multiple-lengthlongitudinal objects 6 is located above the formingunit 12 for forming the continuous filter rod CR from the strand F of filtering fibers. Thefeeding unit 13 comprises achannel 20 configured to feed the multiple-lengthlongitudinal objects 6 in the form of the mass flow MF i.e. a multilayer stream of the multiple-lengthlongitudinal objects 6. Moreover, thefeeding unit 13 comprises ahopper 21 located directly above thecutting unit 14. Thecutting unit 14 comprises amulti-flute drum conveyor 22 and adisc knife unit 23. The multiple-lengthlongitudinal objects 6 are placed into the flutes of thedrum conveyor 22 and the single-lengthlongitudinal objects 2 obtained after cutting are received from the flutes of this conveyor in order to form the flow SF of single-lengthlongitudinal objects 2. The single-lengthlongitudinal objects 2 are transferred as the flow SF of single-lengthlongitudinal objects 2 along a substantially horizontal duct 25 (FIG. 5 ). The single-lengthlongitudinal objects 2 are transferred in groups G by means ofpushers 24, wherein only one group G is presented in the drawing to improve clarity. In the presented embodiment, the single-lengthlongitudinal objects 2 are transferred further by means of a transferringdrum 26 having aspiral element 27 located on aside surface 28 of the transferringdrum 26. Thespiral element 27 pushes the single-lengthlongitudinal objects 2 during rotation of the transferringdrum 26. The single-lengthlongitudinal objects 2 are transferred from the transferringunit 15 to thepositioning unit 16 directly or by means of a separatingunit 29. The aim of thepositioning unit 16 is to place the single-lengthlongitudinal objects 2 inside continuous, cylindrically shaped strand F of the acetate fibers being formed, the single-lengthlongitudinal objects 2 being placed by means of apositioning disc 30 with transportingseats 31. The transporting path of the flow SF may be located tangentially to thepositioning disc 30. Placing of the single-lengthlongitudinal objects 2 is performed when the fibers are initially formed, loosely enough, so that when the single-lengthlongitudinal object 2 is being inserted, the fibers of the strand F are moved apart and will surround this object during further forming of the fiber strand F, such that a uniform density of the filtering material can be obtained around the said object. The density of the strand F of the filtering fibers (across the cross-section of the strand) at this stage is low and uniform enough, so as to achieve accurate central positioning of the single-lengthlongitudinal object 2 in the filtering fibers strand F by means of thepositioning disc 30 in the continuous rod CR. The transportingseats 31 may be formed by means ofpushers 32 on acircumference 33. The rotary motion of thepositioning disc 30 defining the position of the single-lengthlongitudinal objects 2 is synchronized with the transferring of the wrapper P and the strand F of the filtering fibers, therefore the longitudinal arrangement of the single-lengthlongitudinal objects 2 in the continuous rod CR being formed is repeatable and set with high accuracy. In the presented embodiment, thepositioning disc 30 has a horizontal axis Y of rotation. Thepositioning unit 16 for placing the single-lengthlongitudinal objects 2 in the filter rod comprises a longitudinal pushingelement 34, presented in a cross-section inFIG. 7 , for pushing the single-lengthlongitudinal objects 2 out of the transportingslots 31 of thepositioning disc 30 during rotation of this disc. The stationary pushingelements elements FIG. 8 and presented in a cross-section inFIG. 9 . The purpose of the stationary pushingelements elements longitudinal objects 2 in the cross-section of the continuous rod CR, because the central positioning is set for the whole length of the inserted object. The transportingseat 31′ may have a form of a cylindrical groove of a diameter corresponding to the diameter of the single-lengthlongitudinal object 2. The single-lengthlongitudinal objects 2 may be held by means of anarc guide 38. Alternatively, or additionally, the single-lengthlongitudinal objects 2 may be held in the transportingseats 31′ by means of negative pressure supplied throughducts 39. - At the
circumference 33 of thepositioning disc 30 there is located a gluingunit 35 configured to supply glue onto the single-lengthlongitudinal objects 2. The gluing unit may have anozzle 36 that supplies the glue in a cyclic pulse manner. Owing to use of the glue, a single-lengthlongitudinal object 2 is being fixed immovably with respect to the fibers of the continuous filter rod CR that is being formed. -
FIG. 10 presents a fragment of the machine comprising thepositioning unit 16′ with transportingseats 31′ arranged peripherally byprotrusions 40 at thecircumference 33′ of thepositioning disc 30′. Each transportingseat 31′ has twoprotrusions 40, which limit the single-lengthlongitudinal object 2 which is placed in the transportingseat 31′ at both sides. Such solution facilitates obtaining a uniform longitudinal arrangement of the single-lengthlongitudinal objects 2 in the continuous rod CR, because the positioning of the single-lengthlongitudinal object 2 is defined at both sides. The single-lengthlongitudinal object 2 is fed into the transportingseat 31′ from the top by means of the separatingunit 29. The single-lengthlongitudinal object 2 is transferred in the transportingseat 31′, wherein at the outside it is held by means of aguide 38′ having aninner guiding surface 41 corresponding to the diameter of the single-length longitudinal object 2 (FIG. 11 ). The guides may have any shape. Side guides 42, 42′ may be additionally implemented, which are referenced by dashed lines.FIG. 11 presents also two gluingunits 35′, which supply glue onto the outer surface of the single-lengthlongitudinal object 2. Alternatively, it is possible to locate the gluing unit only at one side of the transporting path of these objects.
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19203623.4A EP3808192A1 (en) | 2019-10-16 | 2019-10-16 | A machine for manufacturing filter rods |
EP19203623.4 | 2019-10-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
US20210112853A1 true US20210112853A1 (en) | 2021-04-22 |
Family
ID=68281207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US17/071,162 Abandoned US20210112853A1 (en) | 2019-10-16 | 2020-10-15 | Machine for manufacturing filter rods |
Country Status (3)
Country | Link |
---|---|
US (1) | US20210112853A1 (en) |
EP (1) | EP3808192A1 (en) |
CN (1) | CN112656028A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL438612A1 (en) * | 2021-07-28 | 2023-01-30 | International Tobacco Machinery Poland Spółka Z Ograniczoną Odpowiedzialnością | Method and apparatus for producing filter bars for tobacco industry |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1527705A (en) | 1976-03-01 | 1978-10-11 | Liggett & Myers Inc | Cigarette filter |
US4037524A (en) * | 1976-11-08 | 1977-07-26 | Liggett Group Inc. | Apparatus for combining a tube with a cigarette filter |
US4862905A (en) * | 1987-06-15 | 1989-09-05 | R. J. Reynolds Tobacco Company | Rods containing pelletized material |
PL383995A1 (en) * | 2007-12-10 | 2009-06-22 | Philip Morris Products S.A. | The manner of setting up a group of segments in multi-segment filter production process and a device for preparation and setting up in groups of segments in multi-segment filter production process |
-
2019
- 2019-10-16 EP EP19203623.4A patent/EP3808192A1/en active Pending
-
2020
- 2020-10-15 US US17/071,162 patent/US20210112853A1/en not_active Abandoned
- 2020-10-16 CN CN202011106887.4A patent/CN112656028A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
RU2020133982A (en) | 2022-04-19 |
EP3808192A1 (en) | 2021-04-21 |
RU2020133982A3 (en) | 2022-04-19 |
CN112656028A (en) | 2021-04-16 |
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