EP1796897B1 - Dispositif et procede pour la compression de particules - Google Patents

Dispositif et procede pour la compression de particules Download PDF

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Publication number
EP1796897B1
EP1796897B1 EP05777307A EP05777307A EP1796897B1 EP 1796897 B1 EP1796897 B1 EP 1796897B1 EP 05777307 A EP05777307 A EP 05777307A EP 05777307 A EP05777307 A EP 05777307A EP 1796897 B1 EP1796897 B1 EP 1796897B1
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EP
European Patent Office
Prior art keywords
container
particle
piston
containers
arrester
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.)
Not-in-force
Application number
EP05777307A
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German (de)
English (en)
Other versions
EP1796897A1 (fr
Inventor
Andreas Strasser
Alexander Cross
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.)
HTE GmbH
HTE GmbH the High Throughput Experimentation Co
Original Assignee
HTE GmbH
HTE GmbH the High Throughput Experimentation Co
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Application filed by HTE GmbH, HTE GmbH the High Throughput Experimentation Co filed Critical HTE GmbH
Publication of EP1796897A1 publication Critical patent/EP1796897A1/fr
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Publication of EP1796897B1 publication Critical patent/EP1796897B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
    • B30B11/022—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space whereby the material is subjected to vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
    • B30B11/027—Particular press methods or systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/26—Programme control arrangements

Definitions

  • the present invention relates to an apparatus and a method for the controlled production of compacted particle beds.
  • the present invention is in the technical field of high throughput materials research, particularly high throughput catalyst research. It is known that the use of such high throughput methods can significantly increase the efficiency for finding new materials for particular purposes. It is u.a. important already in the preparation of the corresponding materials, e.g. in the production of heterogeneous catalysts to increase the production rate significantly, the reproducibility of the production and the implementation of the production and the receipt of well-defined products is particularly important. This is necessary, for example, in the preparation of heterogeneous catalysts because reliable test conditions can only be obtained in the subsequent catalyst screening if the heterogeneous catalysts, which are in the present case in the form of compacted particle beds as fixed-bed catalysts, are used with a predetermined degree of compaction. For this purpose, it is advantageous to prepare the heterogeneous catalysts underlying materials (compacted particle beds), also parallelized, preferably parallelized fully automated.
  • the generation of measurement data is based on the inclusion of powdery or particulate materials, which are used as compressed particle packages in the process Containers must be present.
  • the properties of a particle package and the reproducibility of the production of particle packages are decisive factors that significantly influence the quality of the measurement data.
  • the compaction of particles in containers by means of rammers is known.
  • the ramming devices consist of a sample container, which is subjected by means of electric motor drive a hammer-like impact movement.
  • the scope of application for such rammers is the physical characterization of particles.
  • the containers equipped with uncompressed particles are moved by means of the ramming device, whereby the ramming time and the ramming frequency are predetermined.
  • the particle bed is first compressed and occupies a certain volume, which has a characteristic size depending on the particular sample. Using the sample weight and sample volume parameters, the tamped density of the sample can be calculated after tamping the container.
  • the tube packages thus produced have several disadvantages.
  • the predominantly serial production of packages is very time-consuming and the compression of the used particle beds is not sufficiently high enough.
  • the reproducibility of the column packages produced by conventional methods also has limitations that reduce the size of test stands for catalytic and chromatographic investigations. Due to the inadequate reproducibility in the packing of columns, the production of complex column packings is extremely limited.
  • the parallelization of the method for packing columns using vibrators is technically associated with a very high cost.
  • a device for producing compressed particle beds with a container for receiving particles, a guide device for holding and guiding the container and a compacting device, wherein the compacting device is in operative connection with the container, as set forth in claim 1.
  • the device according to the invention has an adjustable stop, which is preferably adjustable in a multi-dimensional manner.
  • an adjustable stop which is preferably adjustable in a multi-dimensional manner.
  • the combination of linear uniaxial adjustment with a rotatable adjustment about a rotation axis may be mentioned here.
  • the stop can be designed such that in addition to the adjustability a complete disassembly of the stopper is possible.
  • the stop also preferably has clamping means with which the stop can be fixed in predetermined positions.
  • the stopper is also adapted to cooperate with means for guiding it.
  • the device according to the invention may further comprise one or more guide means for a plurality of containers, wherein the compression means comprises one or more reciprocating pistons.
  • This embodiment which is aimed particularly at the point of parallelization, makes it possible to produce a larger number of compacted particle beds in parallel.
  • one container is in operative connection with one reciprocating piston or several containers are operatively connected to a reciprocating piston.
  • the number of containers is preferably in the range from 2 to 1000, in particular in the range from 2 to 100.
  • the compression device of the device according to the invention preferably has one or more solenoid valves.
  • the one or more reciprocating piston of the compression device of the present invention are preferably operated pneumatically.
  • the supply of the pneumatic medium to the reciprocating piston is preferably controlled by means of the solenoid valves.
  • the containers of the device according to the invention also preferably have a closure or a plurality of closures, which are preferably gas-permeable.
  • the containers are tube reactors, which have at least one side such a gas-permeable closure.
  • This closure may, for example, be a frit or a fine-meshed wire net, which prevents the escape of the particles in the container.
  • the compression process can also be enhanced or assisted if a negative pressure is applied to the gas-permeable end side of the container by means of a vacuum pump.
  • the guide device of the device according to the invention can also have a closure in a further preferred embodiment, wherein this closure can replace the function of the stop.
  • this closure can replace the function of the stop.
  • after insertion of the container in the guide means this closed by the closure on one side.
  • the closure is preferably located on the the reciprocating piston opposite side.
  • the guide device can be designed in several parts, whereby a similar function of the closure or stop is achieved. Conceivable in this context would be, for example, a pipe construction in which two coaxial tubes of different diameters are adjustable and fixable against each other, wherein a tube is formed closed on one side and thus takes over the stop function.
  • the direction of movement of the reciprocating piston and the container of the device according to the invention is preferably vertical.
  • a horizontal reciprocating motion or a direction of movement of the reciprocating piston other than the vertical movement is also possible, wherein the backward movement of the container from the stop to the reciprocating piston can be supported in addition to the recoil pulse of spring elements.
  • the present invention comprises a data processing system.
  • this data processing system the control and / or regulation of the entire device or individual components and the method according to the invention is possible, which will be described in more detail below.
  • the particle size of the particles to be compacted is preferably in the particle size range from 4 ⁇ m to 5000 ⁇ m, particularly preferably in the particle size range from 40 ⁇ m to 600 ⁇ m.
  • the process according to the invention can be repeated in accordance with steps (a) to (c) with one or more further particulate materials.
  • the steps (a) to (c) with the other particulate materials are preferably carried out with one container each. Further, it is possible to sequentially fill and compact a container with various particulate materials, as well as compressing each individual particulate material sequentially in a container so as to achieve a stratified compacted particulate fill. In particular, for a clean layering of the individual particulate materials one above the other, the implementation of steps (a) to (c) is preferred in succession with each individual particulate material.
  • steps (a) to (c) are preferably carried out in parallel in the inventive method with multiple containers. This is of particular importance because the present process is used in high-throughput catalyst research and requires a large number of catalyst samples in the form of compacted particle beds with the same compaction properties.
  • the reciprocating pistons preferably execute a number of strokes in the range from 200 to 1200 strokes per minute. With a number of strokes in this range, the best compaction results are achieved, depending on the type and quantity of the particulate material to be compacted. However, a stroke rate outside this range is also conceivable.
  • the energy acting on the particulate material during compression is preferably predetermined by predetermined parameters. These parameters are preferably selected from the group: moving speed of the piston, acceleration of the piston, frequency of the piston strokes, distance from container to stop, elasticity of the stop, container and reciprocating material, total stroke rate and lifting force of the piston. This list is not exhaustive.
  • the enumerated parameters are preferably predetermined by means of the data processing system on the basis of stored nominal values for the respective particle type and particle quantity, and varied during the process depending on the degree of compaction to be achieved, which is achieved by means of the control and / or regulation of the device according to the invention or of individual components thereof.
  • the particles or the particulate material in the container or containers are compacted by means of an inhomogeneous movement and / or harmonic-rich oscillation.
  • the properties of the particulate materials - such as particle size, particle size distribution and density - significantly influence the compaction process.
  • the particle sizes of the particles to be compacted are generally in a range from 4 .mu.m to 5000 .mu.m, the particle size range from 40 .mu.m to 600 .mu.m being preferred.
  • a single particulate material can have different particle size distribution and density characteristics especially to one another.
  • the experimental conditions should be selected so that a separation of the particulate materials is excluded if possible during the experiment.
  • the container (s) are particularly preferably automatically transferred into the device with the particulate materials and removed again.
  • the device according to the invention can be automated in such a way that the containers are serially processed automatically, for example with a gripping arm for insertion or removal of the containers, which are provided, for example, by means of a conveyor belt.
  • the containers can be handled in the apparatus according to the invention, during insertion and / or execution of the container in or out of the device and outside the device, both individually in succession as well as several parallel automated.
  • the present invention further relates to a computer program with program code means for controlling or regulating the device according to the invention or for carrying out the method according to the invention as well as data carriers with this computer program.
  • This data carrier stores, for example, the parameters carried out in reference experiments as well as sequence routines which serve to control the device and the method by means of the computer program and the data processing system.
  • the method according to the invention is based inter alia on the fact that containers filled with particulate materials are exposed to a preferably mechanical action of energy by means of the device according to the invention.
  • the action of energy on the container filled with particles is controlled by means of the control or regulation of the device according to the invention, so that the degree of compaction of the particle bed and the time to reach the desired degree of compaction can be precisely specified.
  • a structure of complex packing structures in particular structured beds with layer structures
  • a compression of the different particle types, each with a different degree of compaction is possible.
  • Each type of particle is compacted in a container to a different degree of compaction. This is of course also possible with only one type of particle per container, which is compacted in layers in several consecutively performed steps (a) to (c) with different degrees of compaction.
  • the energy acting on the container filled with particulate materials is dictated by several control parameters.
  • control parameters include the speed of the pneumatically driven piston, the number of piston strokes per unit time and the distance from the top of the particle-filled container to the stop plate.
  • material and the elasticity of the stop plate can be specified.
  • the use of the stop plate for transmitting a recoil pulse to the container which is preferably in the form of a tubular reactor, in particular in the form of a liner, enables the container filled with particles to be twice the number of containers during an entire cycle of motion as compared with a container moved with rammers experiences of attacks.
  • the device according to the invention is operated without suspension or without the use of springs and is therefore much cheaper than the known apparatuses.
  • Another advantage of the device according to the invention is that the container is driven by an inhomogeneous movement, which leads to a harmonic richer than in the hitherto known devices or methods.
  • Example 1 relates to an embodiment of the device according to the invention, in which the pneumatic drive of the reciprocating piston is operated via an electronically clocked solenoid valve.
  • the steatite samples used in this case had a particle size in the range from 125 to 160 ⁇ m.
  • As a container for receiving the particles an approximately 300 mm long tube reactor was selected, the lower end - was provided with a gas-permeable plug - according to the usual and known in the art procedure. The inner diameter of the tube reactor was about 7 mm. Packing tests were carried out using stroke rates ranging between 200 and 1200 strokes per minute.
  • Comparative particle compaction investigations on the tubular reactor shown in Example 1 were carried out with a tamping volumeter and by means of ultrasonic excitation.
  • the variations in the height of the packed particulate beds in the case of the reactor packings produced by the apparatus according to the invention were substantially lower than the fluctuations in the height of the packed powder beds (particle beds) made according to the known methods.
  • the relative deviations in the package height produced by the device according to the invention packs was max. 2%.
  • the relative deviation of the packing height of packages made by known equipment was 5% and more.
  • the packing height of the particle beds produced by means of the device according to the invention was at least 20 mm lower than the height of the beds (packs) produced by known methods. As a result, it could be shown that the efficiency of the compression by means of the device according to the invention is higher than the effectiveness of known methods or devices.
  • the time required to achieve a constant height of the particle packing was substantially lower with the device according to the invention than with the use of the known apparatuses.
  • stable and more highly compressed particulate packages could be produced by the apparatus of the invention within one-third of the time compared to particle packages made according to known methods.
  • the inventive method using the device according to the invention is highly suitable for the simultaneous compression of a plurality of particle-filled reactors, which can be moved preferably as a reactor bundle in parallel.
  • a correspondingly designed lifting apparatus it is possible by means of a correspondingly designed lifting apparatus to simultaneously compact the particle beds in a large number of reactors.
  • the reproducibility of the compressed catalyst beds produced in this way is also higher than the beds produced according to known methods.
  • the method is particularly suitable for the production of compressed catalyst beds, in which the particulate catalyst material is compacted together with particulate, for example, inert material.
  • particulate for example, inert material.
  • inert material to the catalyst material allows the dilution of the catalyst material to be tested.
  • the inert material should have similar properties as the catalyst material with regard to the density and the particle size distribution have to exclude a particle separation during the compression process.
  • densified catalyst packs are used which are located in glass or ceramic containers.
  • the device according to the invention for particle compaction, it is possible that the particle beds are compacted in containers made of glass or ceramic.
  • the device according to the invention for example, elastic damping elements within the device or sheaths of the container, which prevent the breakage of the container.
  • the device according to the invention can be operated in an oven. This can be advantageous when it is necessary to heat the particulate materials to be compressed during the compression process.
  • the device according to the invention can be operated in a glove box, if the particles to be compressed should not be air-resistant.
  • the particulate material may be, for example, pulverulent material and the particles may be powder, for example.
  • FIG. 1 shows a device 10 according to the invention with a container 22, which is guided vertically by a guide device 14.
  • the guide device 14 is connected by means of two clamping elements 18 with a rod-shaped guide 16.
  • the clamping elements can be linearly displaced on the rod-shaped guide 16 in the direction of the longitudinal axis (rotation axis) of the rod-shaped guide 16 and rotated about the longitudinal axis of the rod-shaped guide 16.
  • the rod-shaped guide 16 is connected at the end to a carrier unit 12.
  • a compression device 20 is provided, which is arranged vertically in extension of the longitudinal axis of the guide device 14.
  • the compression device 20 may partially protrude on one side into the guide device 14.
  • the container 22 is due to its gravity on one side on a pneumatically operated reciprocating piston of the compression device 20.
  • the axes of rotation of the rotationally symmetrical device components compression device 20, guide device 14 and container 22 are preferably aligned vertically and congruent.
  • a stop 24 is further provided, which is displaceable along the rod-shaped guide 16 and rotatable about the longitudinal axis of the rod-shaped guide 16.
  • the stop 24 has a fastening element 26.
  • the plate-shaped stop 24 is fixed in operation at a certain distance from the end face 28 of the container 22 on the rod-shaped guide 16. In this case, the distance is dimensioned such that the container 22 strikes against the stop 24 during its vertical movement in the direction of the stop 24, even before it leaves the guide device 14. This ensures that the container 22 is always held or guided by the guide device 14 during the compression process and does not leave it.
  • the container 22 is closed during the compression process, so that no particles can leave the container 22. This is ensured, for example, by a closure which is provided at the location of the end face 28, in FIG. 1 however, is not shown in detail.
  • the guide device 14 is preferably provided in the form of a cylindrical holder, which serves to receive a container 22 filled with uncompressed particle beds and as a guide for the container 22 during the compression process.
  • the particle-filled container 22 is greatly accelerated by means of the linearly moving lifting piston of the compression device 20 along the cylindrical holder (guide device 14), so that the container is thrown in the direction of the stop 24 becomes.
  • the particle-filled container 22 can completely escape from the cylindrical support (guide means 14), it strikes with the end face 28 on the stopper 24, rebounds from the stop 24 and moves, due to gravity and from the stop 24th on the container 22 exerted recoil pulse, back into the cylindrical holder (guide means 14).
  • the container 22 strikes the reciprocating piston of Compressor 20 and is accelerated by the movement again in the direction of the stop 24.
  • FIG. 2 an embodiment of the device 10 according to the invention for receiving a plurality of containers 22 is shown.
  • each container 22 in this embodiment in each case a closure 30.
  • a larger stop 24 provided in this embodiment with a stop surface, which preferably corresponds to the cross-sectional area of the guide device 14, is fixed to a rod-shaped guide 16.
  • a likewise larger-sized compacting device 20 replaces the in FIG. 1 Provided support unit 12.
  • the compression device 20 serves in this embodiment as a receptacle for both the rod-shaped guide 16 and the guide means 14.
  • the guide means 14 may have a large recess for receiving the container 22 for all containers or a plurality of small recesses for each container , Accordingly, the compression device 20 is designed, which in the case of a large recess of the guide device 14 preferably has a reciprocating piston for all containers 22 or in the case of several small recesses in each case one reciprocating piston per container 22. In the latter case, the use of a reciprocating piston is conceivable which has a plurality of projections whose number and position corresponds to the container 22.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Claims (15)

  1. Installation (10) pour la fabrication d'agglomérats compressés de particules en vrac, comprenant un récipient (22) destiné à recevoir des matériaux sous forme de particules, un dispositif de guidage (14) pour supporter et guider le récipient (22), et un dispositif de compression (20), le dispositif de compression (20) présentant un piston de déplacement, qui est en interaction avec le récipient (22), caractérisée en ce que l'installation comprend une butée (24) réglable, le piston de déplacement agissant sur le récipient (22) de façon telle que le récipient soit accéléré dans un dispositif de guidage (14) en direction d'une butée (24), et, après impact sur la butée (24), soit à nouveau déplacé en retour en direction du piston de déplacement.
  2. Installation (10) selon la revendication 1, qui comprend un ou plusieurs dispositifs de guidage (14) pour plusieurs récipients (22).
  3. Installation (10) selon la revendication 1 ou la revendication 2, dans laquelle le dispositif de compression (20) présente une ou plusieurs électrovannes.
  4. Installation (10) selon l'une des revendications précédentes, dans laquelle un récipient respectif (22) est en interaction avec respectivement un piston de déplacement, ou bien plusieurs récipients (22) sont en interaction avec un piston de déplacement.
  5. Installation (10) selon l'une des revendications précédentes, dans laquelle les récipients (22) présentent une ou plusieurs fermetures (30), ou bien dans laquelle les récipients (22) sont des réacteurs tubulaires, qui présentent, au moins d'un côté, une fermeture perméable au gaz.
  6. Installation (10) selon l'une des revendications précédentes, dans laquelle le dispositif de guidage (14) présente une fermeture.
  7. Installation (10) selon l'une des revendications précédentes, dans laquelle la grosseur de particule des particules à compresser se situe dans une plage de grosseur de particule de 4 µm à 5000 µm, de préférence notamment dans une plage de grosseur de particule de 40 µm à 600 µm.
  8. Procédé de fabrication d'agglomérats compressés de particules en vrac, présentant les étapes suivantes :
    (a) remplissage d'un récipient (22) avec un premier matériau sous forme de particules,
    (b) fermeture du récipient (22), et
    (c) compression du premier matériau sous forme de particules, un piston de déplacement agissant sur le récipient (22) de façon telle que le récipient soit accéléré dans un dispositif de guidage (14) en direction d'une butée (24), et, après impact sur la butée (24), soit à nouveau déplacé en retour en direction du piston de déplacement.
  9. Procédé selon la revendication 8, d'après lequel le cycle de mouvement du récipient (22) est répété selon un nombre de courses de déplacement donné, jusqu'à atteindre un degré de compression prédéfini du premier matériau sous forme de particules.
  10. Procédé selon la revendication 8 ou la revendication 9, d'après lequel les étapes (a) à (c) sont répétées avec un ou plusieurs autres matériaux sous forme de particules, ou bien d'après lequel les étapes (a) à (c) sont effectuées en parallèle à l'aide de plusieurs récipients (22).
  11. Procédé selon l'une des revendications 8 à 10, d'après lequel les pistons de déplacement effectuent un nombre de courses de déplacement se situant dans une plage de 200 à 1200 courses de déplacement par minute.
  12. Procédé selon l'une des revendications 8 à 11, d'après lequel l'énergie agissant sur le matériau sous forme de particules, est prescrite par des paramètres prédéterminés.
  13. Procédé selon la revendication 12, d'après lequel le paramètre est choisi parmi le groupe : vitesse de déplacement du piston, accélération du piston, fréquence des courses de déplacement du piston, distance du récipient (22) à la butée (24), élasticité du matériau de la butée, du récipient et du piston de déplacement, nombre total de courses de déplacement, force de déplacement du piston.
  14. Procédé selon l'une des revendications 8 à 13, d'après lequel le matériau sous forme de particules dans le récipient (22) est compressé au moyen d'un mouvement non homogène et/ou d'une oscillation à nombre élevé d'harmoniques.
  15. Procédé selon l'une des revendications 8 à 14, d'après lequel le ou les récipients (22) avec les matériaux sous forme de particules, sont transférés dans l'installation et à nouveau prélevés de l'installation de manière automatisée.
EP05777307A 2004-08-24 2005-08-23 Dispositif et procede pour la compression de particules Not-in-force EP1796897B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004040939A DE102004040939A1 (de) 2004-08-24 2004-08-24 Vorrichtung und Verfahren zur Verdichtung von Partikeln
PCT/EP2005/009100 WO2006021424A1 (fr) 2004-08-24 2005-08-23 Dispositif et procede pour la compression de particules

Publications (2)

Publication Number Publication Date
EP1796897A1 EP1796897A1 (fr) 2007-06-20
EP1796897B1 true EP1796897B1 (fr) 2010-08-04

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Application Number Title Priority Date Filing Date
EP05777307A Not-in-force EP1796897B1 (fr) 2004-08-24 2005-08-23 Dispositif et procede pour la compression de particules

Country Status (5)

Country Link
US (1) US20090166906A1 (fr)
EP (1) EP1796897B1 (fr)
AT (1) ATE476286T1 (fr)
DE (2) DE102004040939A1 (fr)
WO (1) WO2006021424A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021048373A1 (fr) 2019-09-13 2021-03-18 Hte Gmbh The High Throughput Experimentation Company Procédé de remplissage de réacteurs et d'examen de réacteurs catalytiques

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014211278A1 (de) 2014-06-12 2015-12-17 Hte Gmbh The High Throughput Experimentation Company Kompakter Katalysator-Teststand und Befüllen desselben

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US2855628A (en) * 1953-08-17 1958-10-14 Benjamin Lassman & Son Pressure bonding system for solid particles
US3332456A (en) * 1965-03-23 1967-07-25 Joseph J Hasch Tamping machine
DE2552852C3 (de) * 1975-11-25 1980-12-11 Schlosser & Co Gmbh, 6209 Aarbergen Verfahren zum Verdichten von Formkörpern aus Beton o.dgl. plastischen Massen
DK29785A (da) * 1984-05-29 1985-11-30 L & N Int As Fremgangsmaade til komprimering af nystoebt beton samt apparat til udoevelse af fremgangsmaaden
DE3630869A1 (de) * 1986-09-11 1988-03-17 Meissner Gmbh & Co Kg Josef Presse zum verdichten von pulverfoermigem gut
FR2638118A1 (fr) * 1988-10-20 1990-04-27 Adl Automation Procede et appareil pour la compression et le controle de la compression de matieres pulverulentes et presse en faisant application
DE3904617A1 (de) * 1989-02-16 1990-08-23 Didier Werke Ag Presse zum kaltformen von formmassen zu formkoerpern, insbesondere keramischen steinen
US5662849A (en) * 1993-09-10 1997-09-02 Fulsz Technologies Ltd. Method and apparatus for forming compression dosage units within the product package
US7431874B2 (en) * 2003-01-16 2008-10-07 Massachusetts General Hospital Methods for making oxidation resistant polymeric material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021048373A1 (fr) 2019-09-13 2021-03-18 Hte Gmbh The High Throughput Experimentation Company Procédé de remplissage de réacteurs et d'examen de réacteurs catalytiques
US11738316B2 (en) 2019-09-13 2023-08-29 Hte Gmbh The High Throughput Experimentation Method for filling reactors and for examining catalytic reactors

Also Published As

Publication number Publication date
US20090166906A1 (en) 2009-07-02
DE502005010049D1 (de) 2010-09-16
EP1796897A1 (fr) 2007-06-20
WO2006021424A1 (fr) 2006-03-02
DE102004040939A1 (de) 2006-03-02
ATE476286T1 (de) 2010-08-15

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