US20120060446A1 - Dosing Method And Dosing Device - Google Patents

Dosing Method And Dosing Device Download PDF

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Publication number
US20120060446A1
US20120060446A1 US13/225,600 US201113225600A US2012060446A1 US 20120060446 A1 US20120060446 A1 US 20120060446A1 US 201113225600 A US201113225600 A US 201113225600A US 2012060446 A1 US2012060446 A1 US 2012060446A1
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US
United States
Prior art keywords
dosing
tobacco
blow
chamber
dosing chamber
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
Application number
US13/225,600
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English (en)
Inventor
Holger Merz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MERZ VERPACKUNGSMASCHINEN GmbH
Original Assignee
MERZ VERPACKUNGSMASCHINEN GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MERZ VERPACKUNGSMASCHINEN GmbH filed Critical MERZ VERPACKUNGSMASCHINEN GmbH
Assigned to MERZ VERPACKUNGSMASCHINEN GMBH reassignment MERZ VERPACKUNGSMASCHINEN GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: Merz, Holger
Publication of US20120060446A1 publication Critical patent/US20120060446A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B1/16—Methods of, or means for, filling the material into the containers or receptacles by pneumatic means, e.g. by suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
    • B65B1/36—Devices or methods for controlling or determining the quantity or quality or the material fed or filled by volumetric devices or methods
    • B65B1/363—Devices or methods for controlling or determining the quantity or quality or the material fed or filled by volumetric devices or methods with measuring pockets moving in an endless path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B37/00—Supplying or feeding fluent-solid, plastic, or liquid material, or loose masses of small articles, to be packaged
    • B65B37/16—Separating measured quantities from supply
    • B65B37/20—Separating measured quantities from supply by volume measurement

Definitions

  • the invention relates to a dosing method as well as to a dosing device, in particular for dosing snus or the like, wherein a portion of tobacco is filled into a dosing chamber of a dosing device and wherein the portion of tobacco is blown out of the dosing chamber by means of blow-out air.
  • dosing methods or dosing devices, respectively, for carrying them out are well known from the state of the art and are used on a regular basis for dosing or portioning tobacco, respectively.
  • volumetric dosing with fixed or adjustable volumes is also common for dosing or portioning, respectively, of smaller quantities of tobacco for oral tobaccos, such as snus.
  • dosing chambers, into which a quantity of tobacco is filled in each case for portioning it are embodied in a rotatable dosing plate.
  • the rotatable dosing plate can be moved by means of a grinding disk, which closes the dosing chamber, such that a portion of tobacco falls downward out of the dosing chamber when a dosing chamber overlaps with an opening in the grinding disk.
  • a grinding disk which closes the dosing chamber
  • the dosing chamber can also be emptied upward by means of a blast of air. This method is used when a volume of the dosing chamber is to be adjustable.
  • a die or piston is moved into the dosing chamber from a lower side of the dosing plate, so as to adjust the desired volume of the dosing chamber.
  • the respective portion of tobacco can then be blown out via a compressed air line, which ends in the dosing chamber.
  • the instant invention is thus based on the object of proposing a dosing method and a dosing device for dosing oral tobacco, by means of which an accurate dosing of a portion of tobacco is made possible without constant adhesion or clogging, respectively.
  • a portion of tobacco is filled into a dosing chamber of a dosing device, wherein the portion of tobacco is blown out of the dosing chamber by means of blow-out air, and wherein water vapor is added to the blow-out air.
  • the blow-out air is directed onto the portion of tobacco, which is located in the dosing chamber, as a blast of air from an upper side or lower side of the dosing chamber, so that the portion of tobacco is blown out of the dosing chamber and is conveyed into a conveying channel for further transporting the portion of tobacco.
  • the blow-out air is emitted as a blast of air by means of a valve, which is connected to a source of compressed air, wherein the water vapor is added to the blow-out air following the valve.
  • the blow-out air which is provided with vapor, provides for a substantially complete blow-out of the portion of tobacco located in the dosing chamber or for a cleaning of the dosing chamber, respectively, without tobacco residues adhering to an inner wall of the dosing chamber or remaining, respectively.
  • the method according to the invention thus ensures a complete discharge of the portion of tobacco from the dosing chamber and thus an accurate dosing or dispensing, respectively, of a desired portion size.
  • hot steam can be used as water vapor.
  • Hot steam can encompass a temperature of above 300° C. and is thus also suitable for killing germs, among others.
  • a use of hot steam can thus serve to disinfect the corresponding dosing device or the tobacco processed with it, respectively, during normal operation.
  • a complete discharge of the tobacco from the dosing chamber can also be promoted further by means of the hot steam.
  • a vacuum can be applied to the dosing chamber in response to the filling. For instance, it can be ensured that the dosing chamber is completely filled with tobacco, without the embodiment of unwanted large air gaps in the tobacco located in the dosing chamber during the filling, for example. This can be the case, for example, when the tobacco is filled into the dosing chamber by means of a so-called inlet box and is compressed due to the dead weight of the tobacco located in the inlet box. In comparison, a compression of the tobacco by means of a vacuum can always ensure an even compression of the tobacco, independent on the quantity of tobacco located in the inlet box.
  • the blow-out air and/or the water vapor can be blown into the empty dosing chamber.
  • all of the dosing chambers, feed lines and discharging conveying channels can be disinfected and cleaned by means of an “idling” of the dosing device without tobacco.
  • water vapor can further be added to the portion of tobacco.
  • the water vapor can be introduced into a conveying channel, which is provided for the portion of tobacco.
  • the water vapor promotes a further transport of the tobacco, without the appearance of unwanted adhesions of tobacco in the conveying channel.
  • a disinfection of the conveying channel can also take place during normal operation.
  • the blow-out air can be filtered in a sterile manner. For instance, provision can be made between the compressed air source and the valve, which is provided for emitting the blow-out air, for one or a plurality of filters for the sterile or almost sterile filtering of the blow-out air. It can thus be ensured that unwanted germs cannot reach into the dosing device or into the tobacco, which is to be processed, respectively, via the blow-out air.
  • the dosing device according to the invention in particular for dosing snus and the like, consists of a dosing plate, in which at least one through hole is arranged, which forms a dosing chamber, of a closing device, which serves to close an opening side of the through hole, and of a filling device, which serves to fill the dosing chamber with a portion of tobacco, and of a blow-out device, which serves to blow the portion of tobacco out of the dosing chamber by means of blow-out air, wherein water vapor can be added to the blow-out air by means of the blow-out device.
  • the dosing plate can encompass an air-permeable wall.
  • the wall can consist of a porous material or can encompass a plurality of small boreholes, through which the air can escape from the dosing chamber.
  • the porous material can be a sintered material.
  • provision can also be made in the dosing plate in the area of the dosing chamber for a ring channel, which serves to discharge the air, which is sucked off through the respective wall.
  • the closing device can also encompass an air-permeable wall.
  • the closing device can be embodied as a plate or a grinding disk, respectively, as a die, a lid or a slider in the area of a lower side of the dosing plate. Air for forming a vacuum in the dosing chamber can be sucked off via the air-permeable wall, which can also again be embodied from a porous material or as a wall comprising small boreholes.
  • blow-out air can also be blown into the dosing chamber via the air-permeable wall of the closing device.
  • blow-out is advantageous in particular when a size of the dosing chamber is embodied so as to be adjustable. For instance, a blow-out can always be carried out independent of an adjusted volume of the dosing chamber, without requiring an extensive reconstruction of the dosing device.
  • the size of the dosing chamber can be adjusted particularly easily when the closing device encompasses a die, which is arranged within the through hole, so as to be capable of being moved relative thereto.
  • the die or piston, respectively can be adapted to a diameter of the through hole, so that it completely closes the through hole and so that an up or down movement, respectively, of the die relative to the dosing plate causes a volume change of the dosing chamber.
  • a simple correction or change of a portion size can also be carried out during the normal operation of the dosing device.
  • the blow-out device can encompass a thermally insulated blow-out air supply.
  • a thermal insulation can be sensible, among others, when the blow-out air reaches the dosing chamber via a die of the closing device. For instance, it can be avoided that the die or the entire closing device, respectively, heats up unduly.
  • the blow-out air supply can be embodied, for example, as a thermally insulated pipeline, which leads into an area of an air-permeable inner wall of the closing device.
  • the dosing chamber can encompass a conical inner wall, at least in sections.
  • a cone which widens in conveying direction of the portion of tobacco, can ensure that the portion of tobacco disengages easily from the dosing chamber and does not get jammed between opposite wall areas of the dosing chamber.
  • a conical form of the inner wall can be embodied along a common length of the dosing chamber but also only in sections.
  • At least one inner wall or also all of the inner walls of the dosing chambers is or are formed from polytetrafluorethylene (PTFE), respectively.
  • PTFE polytetrafluorethylene
  • the PTFE can be applied to the inner wall like a nonstick coating.
  • the material PTFE or a material mixture on the basis of PTFE, respectively, can effectively prevent an adhesion of tobacco in the dosing chamber.
  • the inner wall can be composed of a bushing, which consists of a plastic material, for example.
  • the PTFE can be embodied in the form of a ring-shaped, sintered bushing, which is inserted into the through hole, which embodies the dosing chamber.
  • the ring-shaped bushing can then also embody an air-permeable wall.
  • the bushing can further encompass a collar, which projects beyond the dosing plate and which forms a contact surface for bearing on the rotary disk. A friction between the dosing plate and the rotary disk can be avoided through this. In the event that the collar has worn out, the bushing can be replaced easily.
  • a conveying channel the inner wall of which is formed from polytetrafluorethylene, can be arranged downstream in conveying direction of the dosing chamber.
  • the inner wall of the conveying channel can consequently be comprised of a nonstick coating, which consists of PTFE. For instance, it can be avoided that the tobacco, which is blown out of the dosing chamber, adheres to the inner wall of the conveying channel.
  • the dosing chamber can also be embodied by a plurality of through holes. That is, the dosing chamber then consists of a plurality of through holes, which together form the dosing chamber. A complete blow-out of tobacco can be promoted even further through this. In particular, this is a result of a more favorable distribution of an air pressure across a cross section of the dosing chamber, which is embodied in this manner.
  • a row of through holes which in each case embody a dosing chamber, can be embodied in the dosing plate.
  • the through holes can be arranged in a row for simultaneously carrying out an operating step and/or in a row for carrying out a sequence of operating steps.
  • the dosing plate can be embodied as a so-called rotary disk comprising a plurality of through holes, which are located on different diameters.
  • FIG. 1 shows a schematic sectional view of a first embodiment of a dosing device
  • FIG. 2 shows a schematic sectional view of a second embodiment of a dosing device
  • FIG. 3 shows a partial view of a dosing plate in a top view.
  • FIG. 1 shows a first embodiment of a dosing device 10 , wherein the dosing device 10 consists of a dosing plate 12 , which can be moved in the direction of an arrow 11 , a grinding disk 13 , which embodies a closing device and which is fixedly mounted, a filling device 14 and a blow-out device 15 .
  • a plurality of through holes 16 which in each case embody dosing chambers 17 , 18 and 19 , is embodied in the dosing plate.
  • the dosing chamber 17 which is illustrated herein in an exemplary manner, encompasses an inner wall 20 , which consists of the material of the dosing plate 12 .
  • a straight bushing 21 which is formed from polytetrafluorethylene (PTFE) and which embodies an inner wall 22 of the dosing chamber 18 , is inserted into the through hole 16 .
  • a further embodiment, which is illustrated herein by means of the dosing chamber 19 comprises a bushing 23 formed from PTFE, the inner wall 24 of which is embodied in the form of a cone 25 , which opens downward.
  • PTFE polytetrafluorethylene
  • the dosing chambers 17 , 18 and 19 are in each case covered on a lower side 26 of the dosing plate 12 by means of the grinding disk 13 and are thus closed.
  • An outlet opening 27 which, as is illustrated herein in an exemplary manner, provides for a dispensing of tobacco 28 out of the dosing chamber 17 in a conveying direction, which is identified by means of an arrow 29 , is embodied in the grinding disk 13 .
  • the respective dosing chambers 17 , 18 and 19 are positioned in the direction of the arrow 11 above the outlet opening by means of the relative movement of the dosing plate 12 .
  • the filling device 14 comprises a so-called inlet box 30 , which is partially filled with loose tobacco 28 and which is arranged above the dosing plate 12 . Provision is further made for a height-adjustable sensor 31 , which monitors a fill level of the inlet box 30 and which thus provides for an adjustment of a compression of the tobacco 28 in the dosing chambers 17 , 18 and 19 by a dead weight of the tobacco 28 .
  • a filling of the dosing chambers 17 , 18 and 19 is carried out by means of a movement thereof below the inlet box 30 such that the tobacco 28 can flow into the dosing chamber 19 due to dead weight.
  • a complete and compact filling is further supported in that a porous wall 33 is embodied on the grinding disk 13 below the inlet box 30 and the dosing chamber 19 , which is illustrated here in this area, to which a defined vacuum can be applied.
  • a channel 34 which covers the porous wall 33 , as well as for a vacuum line 35 , which is connected to the channel 34 .
  • the dosing chamber 19 illustrated herein After the dosing chamber 19 illustrated herein has been filled with tobacco 28 and thus contains a portion 36 , the dosing chamber 19 is moved in the direction of the arrow by means of a movement of the dosing plate 12 to the position of the dosing chamber 17 illustrated herein above the outlet opening 27 .
  • a funnel-shaped conveying channel 37 is arranged on the grinding disk 13 for transferring the tobacco 28 .
  • a funnel-shaped blow-out channel 38 is rigidly arranged relative to the outlet opening 27 on the upper side 32 of the dosing plate 12 .
  • a valve 41 comprising a compressed air line 42 of a compressed air source 43 is arranged on an end 40 of the blow-out channel 38 , which faces away from the funnel end 39 .
  • Filters 44 for disinfecting the blow-out air are coupled into the compressed air line 42 .
  • a blast of air which leads to an ejection of the tobacco 28 out of the filled dosing chamber 17 , is effected in the direction of the arrow 45 onto the upper side 32 of the dosing plate 12 .
  • the blow-out device 15 comprises a water vapor source 46 , from which water vapor, which is not illustrated herein, is introduced into the blow-out channel 38 via a water vapor channel 47 and to which blow-out air, which is also not visible herein, is added. Provision can optionally be made on the funnel end 39 for a further valve 48 , by means of which the blow-out channel 38 can be closed.
  • FIG. 2 shows a second embodiment of a dosing device 49 , in the case of which a portion 50 , consisting of tobacco 28 , is ejected or blown out upward, respectively, out of a dosing plate 52 in the direction of an arrow 51 .
  • a through hole 53 into which a sleeve 54 of PTFE is inserted, is embodied in the dosing plate 52 , wherein the sleeve 54 is embodied so as to be air-permeable.
  • a ring-shaped groove 55 which is connected to a vacuum line 58 via a vacuum channel 56 and a coupling element 57 , is further embodied in the through hole 53 .
  • a vacuum can thus be applied to a dosing chamber 59 , which is embodied in this manner, for filling with tobacco 28 by means of an inlet box, as is described with reference to FIG. 1 .
  • a dosing disk 60 which can be adjusted relative to the dosing plate 52 , comprising a die 61 , which is arranged in the dosing chamber 59 so as to be movable longitudinally, is embodied below the dosing plate 52 .
  • the dosing plate 52 and the dosing disk 60 can be rotated about an axis 62 together.
  • a blow-out channel 63 which is thermally insulated against the material of the die 61 and of the dosing disk 60 , is arranged within the die 61 and to the dosing disk 60 .
  • the blow-out channel 63 is connected to a compressed air line 64 comprising filters 65 and a compressed air source 66 .
  • Provision is further made for a hot steam source 67 which feeds hot steam into the compressed air line 64 via a hot steam line 68 .
  • the vacuum line 58 and the compressed air line 64 are in each case connected to the vacuum channel 56 in the dosing plate 52 and a blow-out channel 63 in the dosing disk 60 via the coupling elements 70 or 71 , respectively, such that a rotation of the dosing plate 52 and of the dosing disk 60 relative to the vacuum line 58 or the compressed air line 64 , respectively, is possible.
  • a front side 72 of the die 61 encompasses a porous wall 73 , through which the blow-out channel 63 can blow blow-out air into the dosing chamber 59 .
  • the portion 50 located in the dosing chamber 59 can accordingly be completely ejected out of the dosing chamber 59 and reaches a funnel end 74 of a conveying channel 75 .
  • a further hot steam source 77 comprising a valve 78 can optionally be coupled to a conveying line 76 of the conveying channel 75 , which connects to the funnel end 74 , so that hot steam can also be introduced into the conveying
  • FIG. 3 shows a dosing plate 79 in a top view and in a partial section, which is arranged so as to be rotatable about an axis 80 .
  • a plurality of through holes 81 which in each case embody dosing chambers 82 in a series arrangement in a plurality of rows and dosing chambers 83 in a series arrangement in one row, is arranged in the dosing plate 79 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
US13/225,600 2010-09-09 2011-09-06 Dosing Method And Dosing Device Abandoned US20120060446A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010040499A DE102010040499A1 (de) 2010-09-09 2010-09-09 Dosierverfahren und Dosiervorrichtung
DE102010040499.3 2010-09-09

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US20120060446A1 true US20120060446A1 (en) 2012-03-15

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US13/225,600 Abandoned US20120060446A1 (en) 2010-09-09 2011-09-06 Dosing Method And Dosing Device

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US (1) US20120060446A1 (de)
EP (1) EP2428450B1 (de)
DE (1) DE102010040499A1 (de)
DK (1) DK2428450T3 (de)

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US20160114064A1 (en) * 2013-06-03 2016-04-28 Manuel BORREGO CASTRO Method for cleaning dissolution vessels and subsequent dosing of a dissolution media, and mobile modular cleaning and dosing equipment for the implementation thereof
WO2017019997A1 (en) * 2015-07-30 2017-02-02 Altria Client Services Llc Slide measuring system for filling pouches and associated method
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US10028520B2 (en) 2010-09-02 2018-07-24 R.J. Reynolds Tobacco Company Apparatus for manufacturing a smokeless tobacco product incorporating an object, and associated method
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US11369136B2 (en) 2020-02-04 2022-06-28 R.J. Reynolds Tobacco Company Apparatus and method for filling rods with beaded substrate
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US11505779B2 (en) 2016-03-01 2022-11-22 The Fynder Group, Inc. Filamentous fungal biomats, methods of their production and methods of their use
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