EP1252922B1 - Dispositif à l'échelle indutrielle permettant de mélanger et distribuer des matières en particulier visqueuses ou pâteuses - Google Patents

Dispositif à l'échelle indutrielle permettant de mélanger et distribuer des matières en particulier visqueuses ou pâteuses Download PDF

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Publication number
EP1252922B1
EP1252922B1 EP02405307A EP02405307A EP1252922B1 EP 1252922 B1 EP1252922 B1 EP 1252922B1 EP 02405307 A EP02405307 A EP 02405307A EP 02405307 A EP02405307 A EP 02405307A EP 1252922 B1 EP1252922 B1 EP 1252922B1
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EP
European Patent Office
Prior art keywords
mixing
vessel
lid part
mixing vessel
displacing
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.)
Expired - Lifetime
Application number
EP02405307A
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German (de)
English (en)
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EP1252922A1 (fr
Inventor
Bruno Buob
Urs Fischer
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.)
Fitech AG
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Fitech AG
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
Priority claimed from EP01810380A external-priority patent/EP1250951A1/fr
Application filed by Fitech AG filed Critical Fitech AG
Priority to EP02405307A priority Critical patent/EP1252922B1/fr
Publication of EP1252922A1 publication Critical patent/EP1252922A1/fr
Application granted granted Critical
Publication of EP1252922B1 publication Critical patent/EP1252922B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/115—Stirrers characterised by the configuration of the stirrers comprising discs or disc-like elements essentially perpendicular to the stirrer shaft axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/44—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement
    • B01F31/441—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement performing a rectilinear reciprocating movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/45—Closures or doors specially adapted for mixing receptacles; Operating mechanisms therefor
    • B01F35/453—Closures or doors specially adapted for mixing receptacles; Operating mechanisms therefor by moving them perpendicular to the plane of the opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/75—Discharge mechanisms
    • B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
    • B01F35/75425—Discharge mechanisms characterised by the means for discharging the components from the mixer using pistons or plungers
    • B01F35/754251—Discharge mechanisms characterised by the means for discharging the components from the mixer using pistons or plungers reciprocating in the mixing receptacle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/47—Mixing liquids with liquids; Emulsifying involving high-viscosity liquids, e.g. asphalt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/70—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/70—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
    • B01F33/71—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming working at super-atmospheric pressure, e.g. in pressurised vessels

Definitions

  • the invention relates to a device according to the preamble of the claim 1.
  • a device for large-scale mixing and a large-scale Expelling of materials is understood to mean a device which in the Usually not in a laboratory, where quantities of a few kilograms are processed be used.
  • quantities of material or understood weights which are above those of a conventional laboratory operation; so starting at a few tens of liters or kilograms and in tons or hectoliters walk.
  • EP 0 196 291 discloses a mixing and squeezing device for mixing thick or pasty masses described, which is a large-scale application could find.
  • a mixing device was in a mixing vessel a rotatably mounted mixer shaft arranged with a mixing tool, which also was axially movable.
  • the vertically arranged mixer shaft pierced centrally Press plate, which also axially movable on this shaft to expel the mix was.
  • the press plate was opposite the mixer shaft and opposite the circular cylindrical inner wall of the mixing vessel provided with seals.
  • An outlet for the mash to be squeezed out with the press plate was in the bottom of the mixing vessel arranged.
  • the known mixing and squeezing was extremely susceptible to interference during operation and generally tended to leak, especially when squeezing.
  • WO 93/23156 is a device for mixing viscous or pasty materials described. With the device, small amounts of ointments, Pastes, creams, gels and emulsions are mixed.
  • the mixing vessel was unheated and had a screw cap with a single central opening through which a shaft with a paddle stirrer grabbed. The shaft was rotatable in the central opening and slidably held in the direction of the vertical vessel longitudinal axis.
  • the wave could be removed from the central opening after unscrewing the screw cap be used and in the opening a so-called applicator.
  • the vessel bottom could push out the blended material through the applicator be designed to be displaceable in the longitudinal axis direction of the vessel.
  • EP-A 1 020 167 a device for mixing small quantities of viscous or pasty materials [bone cement] described.
  • the mix was subjected to a vacuum.
  • the mixing vessel stood vertically.
  • the soil could move upwards against the Lid to be moved.
  • the air in the mixing vessel could through openings in the Cover part to be drained; the vacuum was also applied via the Cover part.
  • From DE-A 197 35 539 is to be used for laboratory operation unheated Stirring vessel as a device for mixing small quantities of viscous or pasty materials. It should be here while avoiding air access for mixing ointments, mixtures, suspensions or emulsions for medical or cosmetic applications.
  • the mixing vessel was vertical and had a bottom and a lid part, with the shaft of the stirring tool could be guided centrally through the bottom or the lid part.
  • the wave was hollow educated; through the inner bore of the sprouted material, in which the Bottom was pressed as a piston into the vessel. Material could through an opening be placed in the bottom, in the jacket or in the lid in the vertical mixing vessel.
  • EP-A 0 796 653 is another mixing device for the production of small Bone cement quantities for direct treatment use described.
  • the Device had a cross through the vessel lid part mixing tool.
  • the soil formed like a piston for expelling the mix. Over the cover could a Vacuum pump to be connected.
  • the object of the invention is a device for large-scale mixing especially thick and pasty materials in a mixing vessel and for large-scale expulsion of the mixture produced from this vessel to create which works in contrast to that of EP 0 196 291 trouble-free.
  • Sealant As a mix there are e.g. Sealant, PVC plastisols, reactive adhesives the basis of PUR, epoxies and acrylates, structural adhesives, emulsion paints and varnishes in question.
  • the inventive device is used for large-scale mixing of particularly viscous and pasty materials in a mixing vessel as well for large-scale expulsion of the mixture produced from this vessel.
  • the mixing vessel axis and with it the "mixing shaft” no longer vertical, but approximate horizontal.
  • An approximately horizontal position is as opposed to a vertical one Location thought. Under approximately horizontal and layers are still understood, which from the horizontal, e.g. with up to 30 ° deviate. Everything but an angle bigger than 45 ° from the horizontal, here is no longer considered to be approximately horizontal.
  • a vertical position may well be copied from well-known mixing vessels have been.
  • the horizontal position is foreign to the skilled person, but gives in large-scale mixing devices and systems a great service friendliness, since the components, as shown for example in Figure 3 of the application, on a horizontal plane can be driven apart. Big lifting cranes are therefore no longer required for service work.
  • the horizontal construction also allows a rational process in the Production of medium- to high-viscosity, also reactive products. With a minimal Energy consumption, in a closed system and a gentle process, creates a homogeneous mixture. Only a solid floor is sufficient as a stand space for the device.
  • the device with its mixing vessel and the associated drive elements for the extrusion, the axial displacement of the mixer shaft and the movements of the mixing tool can in a linear structure, although in any position, be arranged standing or lying; but preferably is a horizontal Listing selected.
  • a horizontal position - the geometric axis of the Mixing vessel is approximately horizontal; the axial displacements also take place almost horizontal - maintenance of the device is significantly easier to perform as in a vertical standing device, which need scaffold-like structures would. All elements and units are thus possibly without scaffolding from the ground reachable with a small easel.
  • the lid part Since now a pressing of the mix by a movement of the bottom part in Direction is carried on the lid part, the lid part is fixed with an outlet opening provided for the mix. Preferably, one becomes the fixed lid part also provided with the inlets for the materials to be mixed; also you will all other connections, for example, for a vacuum or pressurization on Attach cover part. You then have only one place to which all lines too lead. For cleaning and service purposes, it is preferable to use the lid part Removable from the mixing vessel, preferably removable (due to the large weight) form.
  • the bottom part is for pressing the mixture in the manner of a piston in the interior the mixing vessel, which then represents the cylinder wall for the piston, movable.
  • the bottom part has a seal in the edge area, so too is the cylinder wall sufficiently smooth; but it can always happen that Mischgutreste sticking when moving the piston in the direction of the lid part and through slip the seal through. So that the minimal residues do not interact with the ambient air, may react under curing, a cover is present. This cover seals during the expulsion of the mix through the moving Floor part vacant interior of the vessel from the outside. It is in the field of Cover further comprises an inlet for preferably a neutral gas present to the To be able to flood the space between the hood and the bottom part.
  • the lateral vessel wall is designed such that it can be pre-set with a Temperature can be acted upon. Depending on the mix or materials to be mixed can thus be a temperature above or below the ambient temperature be specified.
  • the temperature is preferably with a in Make the heat transfer medium circulating the vessel wall.
  • the agent can in this case flow in laid in the wall pipelines; also you can have a double wall provide with a gap.
  • any cross-section of the interior of the mixing vessel become; For the sake of simplicity, however, one will choose a circular cylindrical. In a circular cylindrical cross-section, there are no corners where not mixed media could stop.
  • both the piston acting as the bottom part as well as the mixing tool formed protected against rotation and tilting is further eccentrically arranged by at least one axially acting shaft Wave reachable.
  • one will not only be an off-center additional Wave, but two opposing waves or three or more in the same Arrange angular distance.
  • the illustrated in Figures 1 and 2 large-scale device for mixing in particular viscous or pasty materials or mix has a mixing vessel 1, which is closed with a bottom and a lid opposite this part 3 and 5 respectively.
  • a shaft 7 engages as a linear guide for a mixing tool 9.
  • the shaft 7 is arranged in an approximately horizontal geometric axis 10 of the mixing vessel 1 .
  • the inner wall 11 of the interior 12 of the mixing vessel 1 is formed circular-cylindrical and has, for example, a volume between 500 and 2'200 liters.
  • the shaft 7 is guided by a sealing shaft seal 13 as a sealing unit in the cover part 5 .
  • the shaft 7 and thus the mixing tool 9 are axially displaceable by means of a horizontally acting displacement device 15 in the interior 12 , as indicated by the double arrow 14 . Dispersing and blending is completed in two to six minutes for all products.
  • the displacement device 15 is fastened on the foundation 19 via four supports 17a to 17d and by means of two guide shafts 20a and 20b on the outside with flanges 21a and 21b on the cover part 5 . Furthermore, the displacement device 15 has a so-called hydraulic motor 23 for the displacement movement of the shaft 7.
  • the guide shafts 20a and 20b give the guide device 15 stability against buckling and twisting.
  • the cover part 5 can be removed from the mixing vessel 1 for service and cleaning purposes with the fastening brackets 25 detached.
  • the lid part 5 rolls on two provided with wheels 24a and 24b supports 26a and 26b. This position is shown in FIGS. 3 and 4 .
  • the bottom part 3 is horizontally displaceable via a displacement device 27 in the axial direction of the mixing vessel 1 (axially).
  • the displacement device 27 is connected to the mixing vessel 1 via lateral supports 29a and 29b on the outside.
  • the two supports 29a and 29b also rest on four supports 19a to 30d connected to the foundation 19 .
  • the cylindrical bottom part 3 is also sealed at its edge sides by a sealing unit 31 analogous to the shaft seal 13 of the shafts 7 against the inner wall 11 .
  • the displacement device 27 has in the geometric axis 10, a shaft 33 for displacing the bottom part 3 for the Auspressvorgang the mixed material. With a discharge pressure of, for example, up to 12 bar, a rapid emptying is achieved without the use of pump systems. As a result, a small residual amount is achieved. To prevent tilting of the bottom plate 3 during pressing, a further off-center shaft 35 is present.
  • the bottom part 3 is covered with a cover 37 .
  • the cover 37 covers a vacant when pressing interior part 39 .
  • This released interior 39 can, as shown in FIG. 8 , be filled (flooded) with a neutral gas as a gas supply via a connection 69 indicated in FIG. 7 so that no curing of the mixture adhering to the inner wall 11 can occur.
  • the cover part 5 shown in Figure 5 has in its center a passage 41 for lying in the geometric axis 10 of the mixing vessel coming shaft 7. Left and right of the bushing 41 are each a flange 21a and 21b for the guide shafts 20a and 20b arranged. Above the passage 41 there is a connection 43 for a pressure or vacuum admission of the mixing space (interior space 12 ). During the mixing process and / or for the elimination of unwanted gases, for example, it is possible to vacuum up to -1.0 bar. On the other hand, the mixing pressure can also be adapted to the product: atmospheric pressure, vacuum and a pressure of up to, for example, 8 bar.
  • connections 45, 47 and 49 materials for the production of the mixed material can be introduced.
  • a pipe conveyor for introducing powdery material can be connected to the connection 51 .
  • the outlet 53 is arranged for the mix mixed with the mixing tool 9 .
  • a reserve connection 54 and a connection 55 for sampling are pneumatic drives belonging to the inlets and outlets 43, 45, 47, 49, 51, 53, 54 and 55 .
  • the bearing packing 63a-d arranged in the feedthrough 41 for the mixer shaft 7 has been chosen to be so large in its axial dimension that it can absorb tilting moments occurring during mixing.
  • the shaft seal 13 has the seal packings 13a and 13b and has a passage opening 61 for the shaft 7.
  • a first bearing strip 63b is arranged, which at a distance corresponding to about half of the package length , three follow further storage belts 63a to 63c .
  • a scavenging groove 65 is provided between the seal packings 13a and 13b . This scavenging groove 65 is connected to a liquid inlet and an outlet 67a and 67b , respectively.
  • the rinsing liquid used is a medium compatible with the mix.
  • the seal pack carrier 70 has, as can be seen in Figure 6 , an outer contour with two disc-shaped straight circular cylindrical outer contours 76a and 76b , which stuck in a corresponding inner contour of the base part 78 of the shaft seal 13 .
  • the two outer contours 76a and 76b are connected via a perpendicular to the geometric axis 10 extending wall 82 . In this wall, two sealing rings 84a and 84b are arranged in corresponding grooves for sealing.
  • contours can be used instead of a circular cylindrical outer contour of the carrier 70 ; also those which prevent twisting by their outer contour.
  • the carrier 70 can now be fixed to the base part 78 of the shaft seal 13 by screws (not shown); but it can also be formed by means of a (not shown) thread on the outer contour 76a and 76b and the corresponding inner wall of the base member 78 screwed.
  • Figure 7 shows a schematic diagram of the entire device with the necessary connections for operation.
  • the cover part 5 although only once present - shown twice.
  • the previously described connections in the lid part 5 for a pressure or vacuum application 43, the Mischgutauslass 53, the sampling outlet 55, the reserve connection 54, the "powder inlet” 51, the material inlets 45, 47 and 49 will not be discussed further.
  • the cover 37 above the bottom part 3 has a connection 69, here for example for nitrogen.
  • the nitrogen serves, as stated above, that in the smallest amounts in the space 39 between cover 37 and bottom part 3 reaching mix z. B. can not harden. A removal or recycling of nitrogen is not provided here; he escapes into the environment. If desired, of course, a routing can be done via a pipe system.
  • the rinsing liquid for the shaft seal 13 is provided with the system 73 and supplied through the flexible lines 74a and 74b of the shaft seal. 13
  • An analogous system 75 is provided for the Spülhesstechnik the sealing unit 31 of the bottom part 3 ; the supply line via flexible lines 77a and 77b.
  • the pressing of the mix is carried out by means of a hydraulic system 79 which is controlled adjustable by a computer 80 .
  • An analogous system 81 serves to drive the mixer shaft 7 with the mixing tool 9 .
  • the device is for a batch-in batch Production system optimally suited. If a product change is necessary, the Downtime due to the high degree of self-cleaning and simple residual cleaning low.
  • the mixing and ejecting device described above is particularly suitable for producing (mixing) thick or pasty materials (masses); it but you can also mix low-viscosity materials and then expelled in containers become. Since the device for different mix with different Viscosity and different filling capacity for the mixing vessel can be produced, The dimensions and overall weight ratios of the device also change. If, for example, silicone-like sealants are produced, then such Device already a length of ten meters and a height of almost three meters at a total weight of about twenty tons.
  • curing is cited as a chemical process with the ambient air. This term stands for all possible chemical processes that can take place with the ambient air, the ambient temperature or other events.
  • the protective gas in the space 39 nitrogen is given above. Of course, other shielding gases can be used. The gas to be used depends on the properties of the mix.
  • the device described above with its variants a wide range of applications, an ultra-short mixing time, a safe Temperature control, a high mixing efficiency under pressure, a fast Emptying without additional units and efficiency thanks to a high degree of self-cleaning and little residual cleaning effort.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Claims (10)

  1. Dispositif à l'échelle industrielle permettant de mélanger à l'échelle industrielle des matériaux notamment visqueuses ou pâteuses dans un récipient mélangeur (1) et d'expulser à l'échelle industrielle du matériau mélangé fabriqué hors dudit récipient (1), les quantités de matériau s'étendant entre quelques dizaines de litres ou quelques dizaines de kilogrammes, jusqu'à l'ordre des tonnes ou des hectolitres et le récipient mélangeur (1) étant fermé par un élément faisant office de fond (3) et par un élément faisant office de couvercle (5) situé à l'opposé de ce dernier et un outil mélangeur (9) déplaçable mobile étant présent dans le récipient mélangeur (1), caractérisé en ce que l'axe (10) du récipient mélangeur (1) est disposé approximativement à l'horizontale, en ce qu'il existe des fondations (19) avec un premier système de déplacement (15) agissant à l'horizontale, le premier système de déplacement (15) coopérant avec l'élément faisant office de couvercle (5) et avec un guidage linéaire (7) et accrochant le guidage linéaire à travers l'élément faisant office de couvercle (5), pour le mouvement de déplacement de l'outil mélangeur (9), l'élément faisant office de fond (3) étant conçu de façon déplaçable à l'horizontale contre l'élément faisant office de couvercle (5), par un second système de déplacement (27) reposant sur les fondations (19), pour l'expulsion du mélange hors du récipient mélangeur (1), la position horizontale de l'axe (10) du récipient mélangeur et les systèmes de déplacement (15, 27) agissant à l'horizontale étant d'un service particulièrement convivial sur le dispositif à l'échelle industrielle, les composants du dispositif pouvant être écartés sur un plan horizontal [fondations (19)], de grandes grues de levage et/ou des structures du type d'un châssis n'étant plus nécessaires en règle générale.
  2. Dispositif selon la revendication 1, caractérisé par des arrivées (45, 47, 49, 51) obturables par soupapes dans l'élément faisant office de couvercle (5), par l'intermédiaire desquelles les matériaux pour le produit à mélanger peuvent être introduits.
  3. Dispositif selon la revendication 1 ou 2, caractérisé par un raccord (43) disposé dans l'élément faisant office de couvercle (5), pour l'application d'une pression ou d'un vide.
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé par une sortie (53) disposée dans l'élément faisant office de couvercle (5), à travers laquelle le produit mélangé peut être expulsé hors du récipient mélangeur (1) dans des contenants.
  5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé par un capot de recouvrement (37), qui étanchéifie par rapport à l'extérieur une partie de l'intérieur du récipient (39) qui se libère lorsque l'élément faisant office de fond (3) est déplacé lors de l'expulsion du produit mélangé, qui permet une application de gaz vis-à-vis de l'environnement et par une arrivée (69) pour un gaz neutre qui est prévue dans cette partie de l'intérieur du récipient (39) qui se libère, pour qu'aucune réaction provoquée par les conditions environnantes ne puisse se produire dans le produit mélangé qui adhère aux parois intérieures (11).
  6. Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la paroi latérale du récipient (11) peut être soumise à une température prédéterminée.
  7. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce que l'intérieur du récipient mélangeur (12) est conçu sous la forme d'un cylindre circulaire, en ce que l'élément faisant office de fond (3) est sécurisé contre la torsion et/ou contre le basculement et en ce qu'il est conçu de façon à pouvoir être déplacé par un arbre à action axiale (33) en tant qu'élément du second système de déplacement (27).
  8. Dispositif selon la revendication 7, caractérisé en ce que la sécurité contre la torsion et/ou contre le basculement de l'élément faisant office de fond (3) est formée par au moins un autre arbre (35) excentré, disposé de façon coaxiale.
  9. Dispositif selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le guidage linéaire (7) qui s'accroche à travers l'élément faisant office de couvercle (5) est muni d'une unité d'étanchéité dégraissée (13), qui est dotée d'un porte-étoupe disposé de façon interchangeable dans l'élément faisant office de couvercle (5), pour réceptionner les étoupes d'étanchéité (13a, 13b).
  10. Dispositif selon l'une quelconque des revendications 1 à 9, caractérisé en ce que l'élément faisant office de fond (3) est muni d'une unité d'étanchéité dégraissée (31) et/ ou en ce que l'élément faisant office de couvercle (5) est conçu de façon amovible, pour les travaux de nettoyage et de service sur le récipient mélangeur (1).
EP02405307A 2001-04-17 2002-04-16 Dispositif à l'échelle indutrielle permettant de mélanger et distribuer des matières en particulier visqueuses ou pâteuses Expired - Lifetime EP1252922B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02405307A EP1252922B1 (fr) 2001-04-17 2002-04-16 Dispositif à l'échelle indutrielle permettant de mélanger et distribuer des matières en particulier visqueuses ou pâteuses

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP01810380 2001-04-17
EP01810380A EP1250951A1 (fr) 2001-04-17 2001-04-17 Dispositif permettant de mélanger et de distribuer des matières en particulier visqueuses ou pâteuses
EP02405307A EP1252922B1 (fr) 2001-04-17 2002-04-16 Dispositif à l'échelle indutrielle permettant de mélanger et distribuer des matières en particulier visqueuses ou pâteuses

Publications (2)

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EP1252922A1 EP1252922A1 (fr) 2002-10-30
EP1252922B1 true EP1252922B1 (fr) 2005-03-02

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DE3919534A1 (de) * 1989-06-15 1990-12-20 Merck Patent Gmbh Verfahren und einrichtung zum vorbereiten von knochenzement
DE4216252C2 (de) * 1992-05-16 1994-05-26 Albrecht Konietzko Anordnung mit einem Rührwerk zur Mischung von pharmazeutischen und/oder kosmetischen Salben, Pasten, Cremes, Geleen oder Emulsionen
US5779356A (en) * 1996-02-21 1998-07-14 Chan; Kwan-Ho Apparatus and method for mixing first and second components of a bone cement in a vacuum
AT1956U1 (de) * 1996-09-25 1998-02-25 Voith Ag J M Einrichtung zum homogenisieren und dispergieren von flüssigen phasen
DE19641972C2 (de) * 1996-10-10 1999-11-04 Suhl Elektro & Hausgeraetewerk Gerät zum Rühren, Mischen, Zerkleinern oder dergleichen
DE29724902U1 (de) * 1997-08-16 2005-08-25 Konietzko, Albrecht Vorrichtung zum Rühren bzw. Herstellung von Mischungen o.dgl. in einem Rührgefäß, Flügelrührer sowie Rührgefäß
US6120174A (en) * 1999-01-14 2000-09-19 Bristol-Myers Squibb Apparatus and method for mixing and dispensing bone cement

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