EP4114210A2 - Conveying drum for the tobacco-processing industry - Google Patents
Conveying drum for the tobacco-processing industryInfo
- Publication number
- EP4114210A2 EP4114210A2 EP21722790.9A EP21722790A EP4114210A2 EP 4114210 A2 EP4114210 A2 EP 4114210A2 EP 21722790 A EP21722790 A EP 21722790A EP 4114210 A2 EP4114210 A2 EP 4114210A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- conveyor drum
- rotation
- drum
- rod
- receiving troughs
- 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.)
- Pending
Links
- 241000208125 Nicotiana Species 0.000 claims abstract description 13
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 210000000056 organ Anatomy 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 claims description 2
- 235000019504 cigarettes Nutrition 0.000 description 19
- 238000003892 spreading Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 208000012886 Vertigo Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000019506 cigar Nutrition 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Classifications
-
- 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
- A24C5/35—Adaptations of conveying apparatus for transporting cigarettes from making machine to packaging machine
-
- 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
- A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
- A24C5/322—Transporting cigarettes during manufacturing
-
- 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
- A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
- A24C5/322—Transporting cigarettes during manufacturing
- A24C5/327—Construction details of the cigarette transport drum
-
- 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
- A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
- A24C5/33—Catching or ordering devices
- A24C5/336—Turning 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
- A24D1/00—Cigars; Cigarettes
- A24D1/20—Cigarettes specially adapted for simulated smoking devices
Definitions
- the invention relates to a conveyor drum in the tobacco processing industry.
- the invention also relates to a machine in the tobacco-processing industry, in particular a filter segment manufacturing machine, for the manufacture of rod-shaped articles in the tobacco-processing industry, in particular special multi-segment filters or heat-not-burn products.
- the invention also relates to a method for conveying rod-shaped articles in the tobacco-processing industry, in particular multi-segment filters or heat-not-burn products.
- conveyor drums are used to transport cigarettes, filter pieces or their components.
- the conveying of the aforementioned rod-shaped objects during the production of cigarettes, filters and filter cigarettes or so-called heat-not-burn products or e-cigarettes is generally carried out in modern production machines in the tobacco-processing industry by means of conveyor drums, their outer surface or their
- Drum body for the transverse axial conveying of rod-shaped objects (cigarettes, filter rods or filter plugs, filter cigarettes) with grooves or receiving troughs for receiving the rod-shaped objects.
- the receiving troughs for the rod-shaped articles here have a trough bottom.
- these rod-shaped articles of the tobacco processing industry are arranged in receiving troughs generally in rows transversely axially one behind the other.
- a turning drum is provided, by means of which the rod-shaped articles are turned.
- Such devices are used, for example, in cigarette production machines or filter attachment machines.
- filter cigarettes are produced as rod-shaped articles, the articles being made, for example, with a useful length that is twice as long and then cut into two single-length products (filter cigarettes) or articles by means of a cutting device.
- the rod-shaped articles or filter cigarettes with uniformly aligned filters are further processed in the filter attaching machines, the filter cigarettes conveyed in two rows being turned by means of a turning device, so that the filter cigarettes ei ner row by 180 ° around a perpendicular to the longitudinal axis Transverse axis can be turned.
- the flipped filter cigarettes are saved on a conveyor drum between two non-inverted Filterzi garettes in a free receiving recess of the conveyor drum, so that a number of filter cigarettes is formed after the turning process.
- cone turners are also used, for the turning process the two rows of opposite filter cigarettes must be spread axially on a spreader drum before turning, and then a row of the filter cigarettes or rod-shaped articles to the Ke Gel turning drums are passed on on which the rod-shaped articles describe a conical path, in order then to be arranged between the non-turned filter cigarettes on the conveyor drum afterwards to the conveyor drums on which the non-turned rod-shaped articles are conveyed.
- DE 34 45 945 A1 EP 0 627 175 B1 and DE 19920 760 A1 disclose devices for turning rod-shaped articles.
- DE 3445 575 A1 discloses a method for spacing and
- the object of the invention is to enable simple turning of several Rei hen rod-shaped articles on a conveyor drum in a conveyor arrangement for conveying rod-shaped articles, in particular several rod-shaped articles with different format lengths are conveyed and turned regardless of their format sol len.
- a conveyor drum of the tobacco processing industry with a rotating or rotating driven, in particular cylindrical, drum body which can be rotated about an axis of rotation, where two rows of troughs arranged one behind the other for rod-shaped articles of the tobacco processing machine are arranged in the circumferential direction of the drum body Industry are provided, wherein the receiving troughs of each row are each rotatable or rotated about a radial axis of rotation aligned with the axis of rotation, preferably independently of one another, the receiving troughs each Row independently of each other by means of a parallel to the rotation axis of the conveyor drum aligned and linearly movable and coupled to the respective receiving trough movement rod, in particular special with simultaneous rotation of the conveyor drum about the axis of rotation, are or are moved.
- the invention is based on the idea that the conveyor drum in the receiving troughs of two side by side conveyed and arranged rod-shaped articles, such as filter plugs, filter cigar save, multi-segment filters or, in particular multi-segment, heat-not-burn products, during the promotion be rotated or turned on the conveyor drum, at the same time it is also possible that the longitudinal axial distance between two opposite head ends of the rod-shaped articles of the two rows when the article is picked up on the conveyor drum is increased or decreased compared to the egg nander opposite head ends of the rotated or turned pairs of rod-shaped articles of the two rows when the rod-shaped article is delivered to a subsequent conveyor drum.
- rod-shaped articles such as filter plugs, filter cigar save, multi-segment filters or, in particular multi-segment, heat-not-burn products
- the conveyed rod-shaped articles to be turned on the conveyor drum and for the turned articles of the two rows to be spread apart from one another during delivery to a subsequent conveyor drum.
- the axes of rotation of two juxtaposed receiving troughs of the two rows are aligned parallel to each other, the axes of rotation being aligned in the radial direction to the axis of rotation of the conveyor drum mel.
- the linearly movable movement rods for the receiving troughs which are aligned parallel to the axis of rotation of the conveyor drum, are moved independently of one another or at the same time.
- a movement rod is provided for each axis of rotation of the receiving troughs.
- the movement of the individual movement rods can take place both synchronously and asynchronously.
- the linearly movable movement rods for the respective receptacle to be or to be moved by means of a lifting link. In this way, a movement of the loading movement rods and thus also a rotation of the receiving troughs about the axes of rotation is formed in a simple mechanical manner.
- the receiving troughs are arranged between the lifting linkages for the two rows.
- Rows have a different radial distance from the axis of rotation of the conveyor drum.
- the lifting links each have a curve stroke for the moving rods, the respective curve strokes of the lifting blocks being designed in such a way that the moving rods move in the same direction at the same time or offset in time when the drum body rotates execute and / or execute the movement rods at the same time or staggered in time when rotating the drum body equally large or un differently large stroke movements.
- the rod-shaped articles Before being transferred to the conveyor drum, the rod-shaped articles are aligned in two rows cross-axially one behind the other and are transferred to the conveyor drum in two rows.
- the turned rod-shaped articles are in two rows of transversely axially arranged rod-shaped Article promoted.
- the conveyor drum mel in one embodiment of the conveyor drum mel, provision can be made for a row of rod-shaped articles to be rotated or turned on the conveyor drum by providing a corresponding lifting link, while the other row of the receiving trays is not rotated.
- the movement rod does not perform any linear movement, the corresponding lifting link for this movement rod being a flat circular path.
- an embodiment of the conveyor drum is characterized in that during a complete rotation of the drum body by 360 °, the receiving troughs of each row are rotated from an initial position by 180 ° and rotated back to the initial position after reaching a rotational position of 180 °.
- the moving rods are designed as toothed racks, the toothed racks each cooperating with a pinion shaft for the receiving troughs.
- the pinion shafts of the receiving recesses can be rotated about the respective axis of rotation of the receiving recesses.
- the pinion shafts for the receiving troughs are each rotatably supported by means of a ball bearing, in particular a grooved ball bearing, and by means of a needle bearing.
- the movement rods for the receiving troughs are each acted upon or can be acted upon by means of a compression spring with a force, in particular against the lifting link for the movement rods. This ensures safe guidance of the movement rods or their ends, which interacting with the lifting gate.
- the respective movement rods for a pair of pinion shafts arranged adjacent to one another along the axis of rotation of the conveyor drum are arranged on different sides of the pinion shafts. This achieves a compact arrangement of the movement rods.
- the receiving troughs arranged next to one another in the longitudinal extension of the conveyor drum are rotated in the same direction or can be rotated when rotating about their respective rotational axes.
- the movement rods for a pair of receiving troughs arranged next to one another in the longitudinal extension of the conveyor drum can be moved or moved independently of one another, preferably by means of the respective lifting link.
- each row or a plurality of receiving troughs in each row are formed on a segment body that can be rotated about the axis of rotation.
- the segment bodies can have only one receiving trough for a rod-shaped article and, in a further embodiment, several receiving troughs for each one bar-shaped article. If the segment body is provided with several receiving troughs, the receiving troughs are aligned parallel to one another on the segment body. As a result, during the rotation of the conveyor drum when rotating the respective Seg ment body with several rod-shaped articles are rotated or turned around the respective axis of rotation.
- the receiving troughs are arranged on the respective segment bodies in such a way that the central longitudinal axes of the receiving troughs extend outside of the axis of rotation of the segment body. This makes it possible, please include that during the promotion of the rod-shaped articles and when Dre hung the segment body about the axes of rotation, the rod-shaped articles on the conveyor drum are turned and at the same time spread apart in the longitudinal axial direction.
- the conveyor drum is an.bil det as a turning spreader drum.
- the object is achieved by a machine of the tobacco processing industry, in particular filter segment manufacturing machine, for the production of rod-shaped articles of the tobacco processing industry, in particular multi-segment filters or heat-not-burn products, which with a conveyor drum according to the invention, as above described, is formed.
- a machine of the tobacco processing industry in particular filter segment manufacturing machine, for the production of rod-shaped articles of the tobacco processing industry, in particular multi-segment filters or heat-not-burn products, which with a conveyor drum according to the invention, as above described, is formed.
- the object is also achieved by a method for conveying rod-shaped articles in the tobacco-processing industry, in particular multi-segment filters or heat-not-burn products, with pairs of rod-shaped articles arranged coaxially with one another along a conveyor path in two adjacent rows of transversely axially arranged one behind the other Rod-shaped articles are conveyed transversely axially on a first constructiveor gan, in particular conveyor drum, the rod-shaped articles of both rows being transferred from the first conveyor organ to a conveyor drum according to the invention, wherein the rod-shaped articles are transferred to the conveyor drum during the promotion of the rod-shaped articles on the conveyor drum Rotated 180 ° and after their rotation to a second conveyor element, in particular second conveyor drum, are transferred, during the promotion of the rod-shaped article on the conveyor drum and after rotation by 180 ° the mutually arranged and egg nander opposite ends the rod-shaped article of both Rows with a smaller or larger longitudinal axial distance zueinan compared to the longitudinal axial distance between the facing and opposite ends of the rod-
- Fig. 1 is a schematic perspective view of a turning
- FIG. 2 schematically shows a view of gear drives of rotatable article segments of the turning spreading drum (see FIG.
- FIG. 3 shows a schematic section of a cross-section through a pinion shaft for an article segment of the turning spreader drum (cf. FIG. 1).
- Fig. 1 is a perspective view of a erfindungsge MAESSEN turning spreader drum 10 is shown schematically.
- the turning spreader drum 10 is part of a machine for the production of rod-shaped articles for the tobacco-processing industry, such as multi-segment filters or rod-shaped heat-not-burn products.
- the turning spreader drum 10 can also be part of a conveyor arrangement for conveying rod-shaped articles, for example a filter attachment machine.
- the turning spreader drum 10 has an outer, cylindrical shape
- Drum body 12 which is driven to rotate about an axis of rotation R by means of a drive, such as a single drive.
- a drive such as a single drive.
- article segments 14.1, 14.2 arranged one behind the other in the circumferential direction are arranged in two rows R1, R2.
- the article segments 14.1, 14.2 each point to their
- the rod-shaped articles are arranged in the receiving troughs 141, 142 during the transfer from a conveyor drum arranged upstream of rod-shaped articles in the conveying direction.
- the rod-shaped articles such as multi-segment filters, are conveyed in two rows by the upstream conveyor drum in two rows next to one another and each arranged transversely axially one behind the other.
- the article segments 14.1 form a row R1 of article segments 14.1 arranged one behind the other in the circumferential direction of the turning spreader drum 10.
- the rod-shaped articles picked up are turned while the drum body 12 rotates at the same time.
- the distance between the facing head ends of the turned rod-shaped article is greater than the longitudinal axial distance between the opposite head ends when or after receiving the Rod-shaped articles in the receiving troughs 141, 142.
- the received rod-shaped articles are also spread or axially spaced apart.
- the turned rod-shaped articles are arranged in two rows transversely axially one behind the other on the turning spreader drum 10, so that the turned and transversely axially arranged one behind the other rod-shaped articles from the receiving troughs 141, 142 of the article segments 14.1, 14.2 to a subsequent conveyor drum and its receptacle are transferred in two rows, so that the turned and transferred as well as longitudinally axially spread or spaced rod-shaped articles are conveyed transversely axially on the following conveyor drum on the following conveyor drum.
- FIG. 2 a structure of a transmission for rotating the Arti kelsegmente 14.1, 14.2 of the two rows R1, R2 is shown schematically. For the sake of clarity, other elements of the turning spreader drum 10 were not shown.
- end curves 16.1, 16.2 are formed in the interior of the drum body 12 of the turning spreader drum 10.
- the end curves 16.1, 16.2 are here fixedly arranged in relation to the rotatingly driven drum body 12 in the interior of the turning spreader drum 10.
- the front cams 16.1, 16.2 each have cam links 17.1, 17.2 which interact with cam rollers 18.1, 18.2 which are each connected to a toothed rack 20.1, 20.2.
- the racks 20.1, 20.2 are directed parallel to the axis of rotation R of the turning spreader drum 10 and can be moved linearly independently of one another by means of the cam links 17.1, 17.2.
- the individual toothed racks 20.1, 20.2 have teeth at their ends which engage in a toothed shaft of a pinion shaft 22.1, 22.2.
- the pinion shafts 22.1, 22.2 are connected on the outside with the article segments 14.1, 14.2 of the two rows R1, R2.
- the pinion shafts 22.1, 22.2 are each rotatable about the radially aligned axes of rotation 24.1, 24.2 by a linear movement of the toothed rods 20.1, 20.2.
- the rack 20.1 is in engagement with the pinion shaft 24.1 from the rear, while the rack 20.2 is in engagement with the pinion shaft 22.2 from the front.
- the radial exit Was the rack 20.1 to the axis of rotation R is smaller than the radial distance of the horizontally aligned rack 20.2 to the axis of rotation R.
- the racks 20.1, 20.2 are here parallel to the axis of rotation R linearly movable.
- a gear for rotating the article segments 14.1,14.2 is provided.
- a stroke of the toothed racks 20.1, 20.2 connected thereto is carried out due to the end curves 16.1, 16.2.
- the cam rollers 18.1, 18.2 are attached to the racks 20.1, 20.2 and are each pressed against the respective curve venkulisse 17.1,17.2 via compression springs 26.1, 26.2 to the outside. As a result, the curve rollers 18.1, 18.2 follow the respective curve scenes 17.1, 17.2 of the front curves 16.1, 16.2. Furthermore, the racks 20.1, 20.2, which are designed as moving rods for the article segments 14.1, 14.2 or their receiving wells 141, 142, engage in the pinion shafts 22.1, 22.2 for the article segments 14.1, 14.2. During the rotation of the drum body 12, the racks 20.1, 20.2 independently of one another carry out a linear stroke along the axis of rotation R, so that through the
- a rotation of the pinion shafts 22.1 or 22.2 about the respective axis of rotation 24.1 or 24.2 by 180 ° is achieved in that the stroke length of the respective racks 20.1, 20.2 half of the pinion circumference of the pinion shaft 22.1, 22.2, each with the rack 20.1 , 20.2 Cooperation is.
- the slope of the curve scenes 17.1, 17.2 is zero.
- the article segments 14.1, 14.2 each pivot back.
- the cams 17.1, 17.2 of the front cams 16.1, 16.2 are formed in such a way that the cam strokes or the stroke movements of the toothed racks 20.1, 20.2 are carried out in the same direction, in order to swivel in opposite directions of the pinion shafts that interact with the pinion shafts 20.1, 20.2 as a result of the stroke movement of the racks 22.1, 22.2 or their associated article segments 14.1, 14.2.
- Fig. 3 is a cross section through a pinion shaft 22.1 of the turning spreader drum 10 is shown in detail.
- the pinion shaft 22.1 is rotatably mounted in the drum body 12 by means of a deep groove ball bearing 28 designed as a fixed bearing and a needle bearing 30 designed as a floating bearing.
- a deep groove ball bearing 28 designed as a fixed bearing
- a needle bearing 30 designed as a floating bearing.
- corresponding Wel lens seals 32 are provided on the underside and on the top of the pinion shaft 22.1.
- the rack 20.2 engages in the pinion shaft 22.2.
- the second rack 20.1 for the neighboring pinion shaft 22.1 is not in engagement with the pinion shaft 22.2, but rather with the pinion shaft 22.1, not shown here.
- the racks 20.1, 20.2 are arranged at a different radial distance from the axis of rotation R with respect to the axis of rotation R. The direction of movement of the racks
- the pinion shafts 22.1 and 22.2 are hollow inside, so that within a conveying area the pinion shafts 22.1 and 22.2 can be acted upon with negative pressure, where in the case of negative pressure in the receiving troughs 141, 142 of the article segments 14.1, 14.2 respectively.
- negative pressure in the case of negative pressure in the receiving troughs 141, 142 of the article segments 14.1, 14.2 respectively.
- the rod-shaped articles are held in the receiving troughs 141, 142 of the article segments 14.1 and 14.2, respectively.
Landscapes
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020111946.1A DE102020111946B4 (en) | 2020-05-04 | 2020-05-04 | Conveyor drum in the tobacco processing industry |
PCT/EP2021/060915 WO2021224057A2 (en) | 2020-05-04 | 2021-04-27 | Conveying drum for the tobacco-processing industry |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4114210A2 true EP4114210A2 (en) | 2023-01-11 |
Family
ID=75769558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21722790.9A Pending EP4114210A2 (en) | 2020-05-04 | 2021-04-27 | Conveying drum for the tobacco-processing industry |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP4114210A2 (en) |
KR (1) | KR20230005988A (en) |
CN (1) | CN115515440A (en) |
DE (1) | DE102020111946B4 (en) |
WO (1) | WO2021224057A2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021125644A1 (en) | 2021-10-04 | 2023-04-06 | Körber Technologies Gmbh | Method of manufacturing a stick-shaped smoking article |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1178756B (en) * | 1961-08-08 | 1964-09-24 | Hauni Werke Koerber & Co Kg | Device for turning one of the two rows of mouthpiece cigarettes or other stick-shaped objects leaving a cigarette machine |
GB1105931A (en) * | 1964-04-27 | 1968-03-13 | American Mach & Foundry | Device for setting cigarettes in the same direction |
DE1912651A1 (en) * | 1969-03-13 | 1970-10-01 | Hauni Werke Koerber & Co Kg | Method and device for changing the pitch of cigarettes or other rod-shaped tobacco articles |
IT1195430B (en) | 1983-12-20 | 1988-10-19 | Gd Spa | METHOD FOR SPACING AND TILTING TWO COAXIAL CIGARETTES IN A FILTER FEEDER |
IT1195487B (en) | 1983-12-29 | 1988-10-19 | Sasib Spa | INVERTER CIGARETTE DEVICE WITH FILTER |
US5566811A (en) | 1993-05-31 | 1996-10-22 | G.D Societa' Per Azioni | Method and machine for producing filter-tipped cigarettes |
DE19920760A1 (en) | 1999-05-05 | 2000-11-09 | Hauni Maschinenbau Ag | Device for turning rod-shaped objects |
ITBO20030151A1 (en) * | 2003-03-20 | 2004-09-21 | Gd Spa | UNIT FOR FEEDING FILTERS TO A FILTER FEEDER MACHINE. |
DE102014202314A1 (en) * | 2014-02-07 | 2015-08-13 | Hauni Maschinenbau Ag | Apparatus and method for turning rod-shaped articles of the tobacco-processing industry |
DE102014210102A1 (en) * | 2014-05-27 | 2015-12-03 | Hauni Maschinenbau Ag | Cutting rod-shaped articles of the tobacco processing industry |
DE102016124052A1 (en) * | 2016-12-12 | 2018-06-14 | Hauni Maschinenbau Gmbh | Filter segment assembly apparatus and method of assembling filter segments of the tobacco processing industry |
DE102017127593A1 (en) * | 2017-11-22 | 2019-05-23 | Hauni Maschinenbau Gmbh | Sliding drum of the tobacco processing industry |
DE102018104956A1 (en) * | 2018-03-05 | 2019-09-05 | Hauni Maschinenbau Gmbh | Conveyor drum of the tobacco processing industry |
-
2020
- 2020-05-04 DE DE102020111946.1A patent/DE102020111946B4/en active Active
-
2021
- 2021-04-27 WO PCT/EP2021/060915 patent/WO2021224057A2/en unknown
- 2021-04-27 EP EP21722790.9A patent/EP4114210A2/en active Pending
- 2021-04-27 KR KR1020227042347A patent/KR20230005988A/en active Search and Examination
- 2021-04-27 CN CN202180032732.7A patent/CN115515440A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE102020111946B4 (en) | 2023-01-26 |
WO2021224057A3 (en) | 2021-12-30 |
CN115515440A (en) | 2022-12-23 |
KR20230005988A (en) | 2023-01-10 |
WO2021224057A2 (en) | 2021-11-11 |
DE102020111946A1 (en) | 2021-11-04 |
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