EP3452376A1 - Verfahren und maschinen zur befüllung von flexiblen schlauchbeutelverpackungen - Google Patents
Verfahren und maschinen zur befüllung von flexiblen schlauchbeutelverpackungenInfo
- Publication number
- EP3452376A1 EP3452376A1 EP17719500.5A EP17719500A EP3452376A1 EP 3452376 A1 EP3452376 A1 EP 3452376A1 EP 17719500 A EP17719500 A EP 17719500A EP 3452376 A1 EP3452376 A1 EP 3452376A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- suction
- product
- tubular bag
- during
- metering
- 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.)
- Withdrawn
Links
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
- B65B1/28—Controlling escape of air or dust from containers or receptacles during filling
-
- 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
- B65B1/10—Methods of, or means for, filling the material into the containers or receptacles by rotary feeders
- B65B1/12—Methods of, or means for, filling the material into the containers or receptacles by rotary feeders of screw type
-
- 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
- B65B37/08—Supplying or feeding fluent-solid, plastic, or liquid material, or loose masses of small articles, to be packaged by rotary feeders
- B65B37/10—Supplying or feeding fluent-solid, plastic, or liquid material, or loose masses of small articles, to be packaged by rotary feeders of screw type
-
- 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
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
- B65B51/146—Closing bags
Definitions
- the invention relates to a method for continuous or intermittent production of tubular bag packaging with a
- Tubular bag machine according to the preamble of claim 1. Furthermore, the invention relates to a tubular bag machine for carrying out the method.
- Known flow wrap machines pack a multitude of different products in tubular bag packaging. These products may be powders or granules.
- the product contained in the product gas for example, air or a protective gas is removed during processing on the tubular bag machine, thereby to densify the product.
- the product gas for example, air or a protective gas
- such a densification of the product is often very important in order to prevent unwanted descent of the product, which may then possibly fall into the molten zone of the tubular bags to be welded.
- compression device can in principle be used at j eder point of the metering tube.
- the compression device can be arranged in front of or behind the metering tube. It is also conceivable to arrange the compression device in the course of the metering tube, for example in the middle of the metering tube.
- Tubular bag machines with generic compression devices are known, for example, from DE 39 15 144 A I and EP 1 033 332 A2.
- These compression devices comprise a fine-pored, gas-permeable suction bushing, with the product to be degassed being guided past the inside of the suction bushing.
- the suction bush itself is surrounded on its outer side by a vacuum chamber, which can be acted upon by a corresponding pressure supply with negative pressure. As soon as negative pressure is applied to the vacuum chamber, the gas is sucked through the pores of the suction bushes from the outside into the vacuum chamber, thereby degassing the product passed by the suction bushing.
- the pores of the suction bushing must have a pore size which is smaller than the average particle size of the product in order to prevent the suction of the product particles into the vacuum chamber.
- a problem of the known vacuum compression devices on generic tubular bag machines is that the suction cups clog more and more after a certain period of operation.
- This blockage of the suction bushings is caused by product particles, which are deposited in the pores of the suction cups and completely or at least partially seal them.
- the vacuum present in the vacuum chamber can no longer be transmitted through the pores of the suction bush, so that the Degassing of the product with increasing blockage of the suction bush is becoming smaller.
- the increasing blockage of the suction bush can also lead to the compaction of the product becoming more irregular due to the removal of gas. This irregularity is undesirable because it results in greater dosage tolerances in the amount of product to be dispensed per package.
- the object of the present invention is therefore to propose a novel process for the continuous or intermittent production of tubular bag packaging with a tubular bag machine, with which the expense for cleaning the clogged Verdichtungsein- direction is reduced and downtime avoided. Furthermore, the compression of the product should be kept within freely adjustable limits, in order to achieve a high dosing accuracy and process reliability of the dosing process, resulting in economic benefits. It is a further object of the invention to propose a tubular bag machine for carrying out the method.
- a suction phase is carried out during the tube bag manufacturing process with its cyclically repeating work cycles for producing a tubular bag in a known manner during the working cycle.
- a negative pressure is built up in the vacuum chamber in a known manner in order to densify the product by suction of gas through the pores of the suction sleeve.
- the negative pressure in the vacuum chamber can be raised to the ambient pressure.
- the suction phases associated with the individual working cycles merge into each other without transition for a while. This means that the negative pressure in the vacuum chamber remains the same for several work cycles, thereby realizing a permanent compression during these work cycles.
- the gas can usually be air.
- the tubular bag machine is operated under protective gas in order to avoid oxidation processes in the product, and the gas can of course also be a corresponding protective gas.
- the basic idea of the method according to the invention is that the cleaning of the pores of the suction bushing during the tubular bag manufacturing process is carried out with its cyclically repeating work cycles in order to avoid downtime, as caused by the interruption of the tubular bag manufacturing process.
- the actual cleaning of the pores of the suction bush is thereby effected by providing a blow-out phase during at least one working stroke in which the vacuum chamber is subjected to overpressure. Due to the overpressure in the vacuum chamber during the Ausblasphase the gas flows in the opposite direction from the vacuum chamber through the pores of the suction sleeve in the direction of the product, so that fixed in the pores product particles are at least partially removed.
- the frequency of the blow-out phases is dependent on the product to be filled in each case, since in particular pulverulent products are more likely to clog the pores of the suction bushing.
- the blow-out phases are in each case carried out after a regular number of power strokes. For example, it may thus be provided that in each case three, five or ten tubular bags in each case next working cycle, a short Ausblasphase is carried out to blow out the adhering in the pores particles that have accumulated in the previous work cycles there again.
- a short blow-out phase is provided during each working cycle, so that in this case a suction phase and a blow-out phase are passed through during each working cycle.
- the blowing out of the suction bush can also be carried out as a function of the process time during which the suction bush was used during compacting of the product.
- the suction bush is cleaned at regular intervals of, for example, three, five or ten minutes during the then next working cycle in each case by blowing.
- the number of work cycles or the duration of the process time must be set by the operating personnel until the next blow-out phase is carried out. This setting is then based on the experience of the operator, how much the suction cup clogged when processing a corresponding product. Naturally, this can lead to errors, so that the number of Ausblasphasen is too small to a sufficient
- the effective negative pressure during the Absaugphasen is measured with a pressure sensor. Namely, the degree of clogging of the suction bush can be judged by these vacuum readings and the type of cleaning can be varied as a function of the reading by blowing out the suction bushing.
- the process parameters during the blowing out of the suction bush are changed as a function of the vacuum values measured with the pressure sensor.
- the duration of the individual blow-out phases can be varied as a function of the measured vacuum values in order, for example, to realize a greater cleaning of the suction bush by longer blow-out phases in the case of deteriorating vacuum values.
- the overpressure level in the blow-out phases can be changed as a function of the vacuum values measured with the pressure sensor. Namely, if the pressure level is increased during the Ausblasphasen, thereby a stronger cleaning effect is achieved. If the measured negative pressure values indicate an increasing blockage of the suction bushing, it can therefore be increased by increasing the Overpressure levels are strengthened the cleaning of the pores in the suction sleeve.
- the distance between the individual blow-off phases can also be varied as a function of the measured negative pressure values. For example, if the negative pressure values indicate an increased clogging of the pores in the suction port, the frequency of the purging phase can be increased. For example, at the beginning of the tube bag manufacturing process with unclogged pores in the suction bushing, a blowout phase frequency can be started in which the pores of the suction bushing are cleaned by blowing out only every ten power strokes.
- the blow-by phase frequency can be increased step by step so that, for example, every nine, then every eight, then every seven, then every six, then every five, then all four, then all three, then every two, and at the end of each work cycle.
- the cleaning effect achievable by blowing out the suction bush is at some point no longer sufficient to ensure that the pores of the suction bushing are kept free.
- the cleaning effect for example, by increasing the Ausblasphasenfrequenz or by increasing the duration of the individual Ausblasphasen or by increasing the pressure level in the Ausblasphasen exhausted and the negative pressure during the vacuum phases still reaches a certain level, the tube bag manufacturing process be interrupted, since due to the insufficient vacuum levels, a process-safe operation of the tubular bag machine is no longer guaranteed.
- a limit value is stored, the jwe in each case measured negative pressure may not fall below. If the limit value is then no longer reached during the tubular bag manufacturing process, the tubular bag manufacturing process is interrupted or an error message is issued.
- the limit value for the negative pressure during the suction phases depends not only on the degree of cleaning of the pores in the suction bushing but also on the product to be filled in each case, so that this limit value must in each case be specified product-specifically.
- the effective negative pressure is measured during a suction phase using a cleaned suction bush with the pressure sensor and stored as an initial pressure value.
- This initial vacuum value represents the marginal conditions released with the cleaned suction bushing and, when the corresponding pressure is filled, the maximum achievable negative pressure.
- the limit value for interrupting the tubular bag production process or for canceling an error message can then be determined as a function of this measured initial vacuum value.
- the tubular bag machine has a conventional construction with a screw-type metering device and a device provided thereon. henen compression device with suction on.
- the vacuum chamber can not only be connected to a vacuum source, as in the prior art, but also to a positive pressure source.
- the compression device is then controlled by the control device in such a way that, depending on the process, blow-out phases are carried out in which the vacuum chamber from the overpressure source is subjected to overpressure. Due to the overpressure during the blow-out phases, the pores of the suction bush are cleaned by blowing out product particles adhering in the pores. The cleaning of the pores of the suction bush takes place during the
- a pressure sensor is provided on the flow wrapper with which the effective negative pressure in the vacuum chamber and / or or in the vacuum lines can be measured.
- the process parameters of the blow-out process can be varied as a function of the measured negative pressure, which gives information about the blockage of the pores of the suction bush.
- the screw feeder of the tubular bag machine is basically arbitrary. Most preferably, it can be a filling metering screw, which is located immediately above the sealing jaws, which are provided for sealing the tubular bag. At this filling metering screw compressors that work with negative pressure have very wide
- Dissemination as a downsizing of the product in the welding zone of the underlying sealing jaws can be reliably prevented.
- the Schneckenendosiervoriques may also be formed in the manner of a feed screw, which is arranged in front of a storage vessel for temporarily storing the product.
- Fig. 1 is a schematically illustrated flow wrapper with
- FIG. 3 shows the compacting device according to FIG. 2 in a perspective lateral view
- FIG. 4 shows the process parameters of a first method for cleaning the compacting device according to FIG. 2 in a time diagram
- FIG. 5 shows the process parameters of a second method for cleaning the compression device according to FIG. 2 in a time diagram
- FIG. 6 shows the process parameters of a third method for cleaning the compacting device according to FIG. 2 in a time diagram
- FIG. 7 shows the process parameters of a fourth method for cleaning the compacting device according to FIG. 2 in a time diagram.
- Fig. 1 shows a tubular bag machine O l for the production of
- Tubular bag packaging 02 in a schematic side view.
- the tubular bag machine O l is shown in Fig. 1 only with the components that are necessary for understanding the invention.
- this is first conveyed into a storage vessel 04 and then conveyed by rotary drive of a metering screw 05 from the storage vessel 04 into the tubular bag packaging 02 in a proper manner.
- a compression device 07 At the lower end of the metering tube 06 is a compression device 07, with the air or inert gas can be sucked out of the product tile filed personallynden at the end of the metering tube 06.
- sucking the air or the protective gas from the product at the end of the metering tube 06 is achieved that the product is not between the sealing jaws 08, with which the
- Tubular bag packaging 02 are welded, trickles down in an uncontrolled manner.
- the drive 09, the storage vessel 04, the metering screw 05 and the metering tube 06 form the main components of the metering device 10 in the tubular bag machine 01.
- the compression device 07 can optionally be connected to a positive pressure source 1 1 and a vacuum source 12.
- a switching valve 13 is provided, which is controlled by a control device 14.
- the control device 14 for controlling the pressure supply to the compression device 07 can of course also be integrated into the main control of the tubular bag machine 01.
- a pressure sensor 15 is provided, with which the negative pressure acting on the compression device 07 during operation of the compression device 07 can be measured.
- the pressure sensor may alternatively be arranged on one of the pressure lines.
- the data of the pressure sensor 1 5 are over a Data line transmitted to the control device 14.
- the control device 14 is connected via a data line to the drive 09. In this way, the operating state when driving the metering screw 05 can be transmitted to the control device 14.
- the overpressure from the overpressure source 1 1 and the negative pressure from the vacuum source 12 is transmitted via a pressure line 16, starting from the switching valve 1 3 to the compression device 07.
- Fig. 2 shows the compression device 07 with the pressure sensor 1 5 and the pressure line 16 in an enlarged sectional view.
- the compression device 07 is located at the lower end of the metering tube 06, in which the metering screw 05 for the metering of the product 03 is rotationally drivable.
- the metering tube 06 is shown in the unfilled state to facilitate the understanding of the compacting device 07.
- a suction bushing 17 is provided for the extraction of gas from the product to be conveyed by the metering screw 05.
- the suction bush 17 consists of a perforated support plate 1 8, on which a fine-pored filter mat 19 is applied.
- the suction bushing 17 is surrounded on its outer side by a vacuum chamber 20, which can be acted upon via the pressure line 16 either with positive pressure or negative pressure. If the negative pressure chamber 20 is subjected to negative pressure, the gas is sucked out of the product conveyed by the dosing screw 05 through the pores of the filter mat 19 into the vacuum chamber 20, thereby compacting the product in the desired manner. If the vacuum chamber 20 is then subjected to an overpressure in another working cycle, the gas flows in the opposite direction through the pores of the filter mat 19, so that product particles adhering in the pores are blown out.
- FIG. 3 shows the lower end of the suction tube 06, the metering screw 05, the compression device 07 with the pressure sensor 15 and the pressure line 16 and a product die 21 in a perspective assembly drawing.
- FIG. 4 shows in a time diagram a first method for cleaning the compacting device 07 according to the invention by blowing out.
- FIG. 4 illustrates the sequence of a tubular bag manufacturing process in the section of three work cycles, wherein the individual work cycles are separated from each other by dashed vertical lines. In the upper part of Fig. 4, the rotational speed of the metering screw 05 is applied during the individual work cycles.
- the metering screw is stationary until time t1 and then driven by the drive 09 for a predefined constant speed process time in order to feed a certain amount of the product 03 into a tubular bag 02.
- the rotational speed of the metering screw 05 is then reset to zero.
- the time t3 is just after the shutdown time t2 of the metering screw to ensure by appropriate compression of the product even after stopping the metering screw 05 that the product 03 does not fall out of the metering tube 06 in the weld zone between the sealing jaws 08.
- a cleaning of the pores in the filter mat 19 in each third working cycle during a blow-out phase 28 is performed.
- the switching valve 1 3 is switched over and the negative-pressure chamber 20 is then subjected to overpressure from the overpressure source 1 1 via the pressure line 16.
- the overpressure pulse then ends at time t5 shortly before the beginning of each fourth working cycle.
- the pores in the filter mat 19 of the suction bushing 17 are briefly blown out and the product particles adhering to them are moved back in the direction of the
- FIG. 5 shows an alternative process variant in a time diagram, in which the rotational speed of the metering screw 05 in the upper part and the pressure supply of the compacting device 07 in the lower part is indicated.
- the cleaning of the suction bushing 17 in the method illustrated in FIG. 5 takes place with blow-out phases 28 during each individual working cycle.
- the pressure supply is switched to overpressure at time t6 and thereby the pores in the filter mat 1 9 are blown out.
- time t7 shortly before the end of the respective working cycle, the pressure supply is then reduced again to zero.
- FIG. 6 schematically illustrates the time diagram of a further process variant for cleaning the compression device 07 by blowing out the pores in the filter mat 19 during the tubular bag production process.
- the individual working cycles of the tubular bag production process are again separated by vertical dashed lines.
- the negative pressure chamber 20 is in turn subjected to the negative pressure from the negative pressure source 12 during each individual operating cycle between the times t 1 and t 3.
- the pressure sensor 15 measures the effective negative pressure in the vacuum chamber when subjected to the negative pressure from the vacuum source 12. This effective negative pressure in the vacuum chamber 20 during the first cycle is stored as the initial negative pressure value 22.
- the initial depression value 22 is below the negative pressure level from the negative pressure source 12.
- a limit value 23 is determined, which is the triggering of a cleaning of the compression device 07 by blowing out the pores in the suction bush 17 is used.
- the limit value 23 may, for example, be the doubling of the initial negative pressure value 22.
- two working cycles of the tube bag manufacturing process are applied at a later time, for example after passing through a few hundred work cycles. It can be seen that the negative pressure value 24 measured with the pressure sensor 15 has largely approached the limit value 23 due to the increasing blockage of the pores in the suction bush 17.
- FIG. 7 shows the process parameters of a further process variant for cleaning the compacting device according to FIG. 2 in one embodiment
- the measured negative pressure value 3 1 is just below the limit value 23.
- the measured negative pressure value 32 is then just above the limit value 23, whereby a cleaning cycle with a blow-out phase 33 is triggered by the controller to clean the pores by blowing out accumulated particles.
- the vacuum chamber is then re-pressurized permanently from the next power stroke to compress the product by suction of gas.
- a cleaning cycle with a blow-out phase 33 is triggered again.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vacuum Packaging (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016207549.7A DE102016207549A1 (de) | 2016-05-02 | 2016-05-02 | Verfahren zur kontinuierlichen oder intermittierenden Herstellung von Schlauchbeutelverpackungen und Schlauchbeutelmaschinen |
| PCT/EP2017/057826 WO2017190899A1 (de) | 2016-05-02 | 2017-04-03 | Verfahren und maschinen zur befüllung von flexiblen schlauchbeutelverpackungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3452376A1 true EP3452376A1 (de) | 2019-03-13 |
Family
ID=58632936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17719500.5A Withdrawn EP3452376A1 (de) | 2016-05-02 | 2017-04-03 | Verfahren und maschinen zur befüllung von flexiblen schlauchbeutelverpackungen |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20190118981A1 (de) |
| EP (1) | EP3452376A1 (de) |
| DE (1) | DE102016207549A1 (de) |
| WO (1) | WO2017190899A1 (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201600091025A1 (it) * | 2016-09-08 | 2018-03-08 | Ica Spa | Sistema e metodo per il confezionamento di polveri |
| IT201600122873A1 (it) * | 2016-12-02 | 2018-06-02 | Ica Spa | Sistema di dosatura e taglio per polveri compattate |
| DE102017111806A1 (de) | 2017-05-30 | 2018-12-06 | Haver & Boecker Ohg | Vorrichtung und Verfahren zum Verdichten von mit Schüttgütern gefüllten Gebinden |
| BR112020014253A2 (pt) * | 2018-01-12 | 2020-12-08 | Nutrae, LLC | Formulações de canabinóides encapsuladas para administração oral |
| CN108657478B (zh) * | 2018-05-04 | 2020-11-06 | 聚隆创环保科技(嘉兴)有限公司 | 一种木材加工用木屑装袋设备 |
| CN113511351A (zh) * | 2020-04-09 | 2021-10-19 | Sis公司 | 粉体统一处理系统 |
| CN114435647A (zh) * | 2022-01-25 | 2022-05-06 | 麦锡祥 | 一种粉剂药品包装降尘进料装置 |
| CN114955023B (zh) * | 2022-06-30 | 2024-01-26 | 衢州华友钴新材料有限公司 | 立式粉体充填机构及其制备方法和粉体装钵装置 |
| CN115285698B (zh) * | 2022-10-08 | 2022-12-23 | 常州市金马高分子材料有限公司 | 一种含氟高分子材料造粒机的粉末上料设备 |
| CN115752667A (zh) * | 2022-11-14 | 2023-03-07 | 上海烟草集团有限责任公司 | 一种全自动烟草粉末称重分装装置 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2142990A (en) * | 1936-07-25 | 1939-01-10 | Bemis Bro Bag Co | Flour packer |
| FR1494751A (fr) * | 1966-04-18 | 1967-09-15 | Sames Mach Electrostat | Dispositif de dosage avec éventuellement transport pneumatique de matériau en poudre |
| DE2555347A1 (de) * | 1975-12-09 | 1977-06-30 | Celcommerz Inh Felix Rettenmai | Sackpackpresse zum entlueften und verdichten von pulverfoermigen und feinkoernigen produkten (z.b. mehle) die rasch in saecke (z.b. plastiksaecke oder papiersaecke) abgefuellt werden |
| DE2615270C2 (de) * | 1976-04-08 | 1982-11-18 | Rovema Verpackungsmaschinen GmbH & Co KG, 6301 Fernwald | Vorrichtung zum Verpacken von Schüttgütern |
| FR2377937A1 (fr) * | 1977-01-20 | 1978-08-18 | Alfa Laval Ag | Procede et dispositif pour la desaeration des poudres, telles que poudres de lait |
| US4703782A (en) * | 1985-12-12 | 1987-11-03 | Henkel Sr Ernest H | Method and apparatus for filling bulk bags |
| US4969494A (en) * | 1988-06-01 | 1990-11-13 | Spiragaine, S.A. | Filtering device |
| GB8817708D0 (en) * | 1988-07-25 | 1988-09-01 | Portals Eng Ltd | Improvements in filling machines |
| DE3915144A1 (de) | 1989-05-09 | 1990-11-15 | Edelmann Carl Gmbh | Schneckendosierer |
| US6102088A (en) * | 1997-09-03 | 2000-08-15 | Xerox Corporation | Vacuum valve shutoff for particulate filling system |
| US6056025A (en) * | 1997-09-03 | 2000-05-02 | Xerox Corporation | High speed air nozzle for particulate filling system |
| DE19805437A1 (de) * | 1998-02-11 | 1999-08-12 | Bosch Gmbh Robert | Dosiervorrichtung für rieselfähiges Schüttgut |
| JP3814090B2 (ja) | 1999-02-23 | 2006-08-23 | 株式会社テクニカ | 粉粒体排出制御装置、及び粉粒体充填装置 |
| DE60005972T2 (de) * | 1999-08-23 | 2004-09-09 | Ciba Speciality Chemicals Holding Inc. | Verfahren und vorrichtung zum verdichten von pulverförmigem material |
| US6098677A (en) * | 1999-09-10 | 2000-08-08 | Xerox Corporation | High speed air nozzle with mechanical valve for particulate systems |
| US6722406B2 (en) * | 2002-07-17 | 2004-04-20 | Xerox Corporation | Toner filling apparatus and method including a nozzle having post-cutoff vibrator assembly |
-
2016
- 2016-05-02 DE DE102016207549.7A patent/DE102016207549A1/de not_active Ceased
-
2017
- 2017-04-03 EP EP17719500.5A patent/EP3452376A1/de not_active Withdrawn
- 2017-04-03 WO PCT/EP2017/057826 patent/WO2017190899A1/de not_active Ceased
- 2017-04-03 US US16/098,361 patent/US20190118981A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017190899A1 (de) | 2017-11-09 |
| US20190118981A1 (en) | 2019-04-25 |
| DE102016207549A1 (de) | 2017-11-02 |
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