EP0512393B1 - Méthode et appareil pour mélanger les composants d'une boisson - Google Patents
Méthode et appareil pour mélanger les composants d'une boisson Download PDFInfo
- Publication number
- EP0512393B1 EP0512393B1 EP92107305A EP92107305A EP0512393B1 EP 0512393 B1 EP0512393 B1 EP 0512393B1 EP 92107305 A EP92107305 A EP 92107305A EP 92107305 A EP92107305 A EP 92107305A EP 0512393 B1 EP0512393 B1 EP 0512393B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- holding chamber
- cross
- holding
- syrup
- water
- 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
Links
- 235000013361 beverage Nutrition 0.000 title claims description 13
- 238000000034 method Methods 0.000 title claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 44
- 235000020357 syrup Nutrition 0.000 claims description 36
- 239000006188 syrup Substances 0.000 claims description 36
- 230000007704 transition Effects 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 4
- 235000021559 Fruit Juice Concentrate Nutrition 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000008504 concentrate Nutrition 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
Definitions
- the invention relates to a method and an apparatus for mixing beverage components of the type explained in the preambles of claims 1 and 3.
- Such a method and such a device are known from DE-PS 31 32 706.
- the known device is used to mix a smaller amount of syrup with a larger amount of water.
- a receptacle is provided for each component, each of which is provided with its own feed line.
- the receptacle for water is equipped with a level controller, which can be used to adjust the water volume.
- the volume of the receptacle for syrup corresponds to the volume of the syrup to be mixed and is completely filled with every mixing process.
- the syrup container is arranged below the water container and connected to the water container via a pipe through which the drain from the water container is guided. When the components are mixed, water and syrup are first introduced directly into their receptacles up to the predetermined fill level.
- the inlet is then shut off and the water from the receptacle is piped into the syrup container and from there into a downstream collection container. Of the Syrup is thus rinsed out of the water in its receptacle. However, it has been found that the mixing results can still be improved with this device.
- a device for mixing beverages is known in which the components are introduced directly into a common mixing container from below.
- the mixing tank contains a float-controlled level indicator, which controls the opening and closing of the inlet valves for both components.
- the smaller component is first introduced into the level container up to its predetermined level. Then the feed of this component is stopped and the water feed is opened, the water being led from below into the component introduced first.
- the mixing result in this container can also be improved.
- the device is specially designed for mixing a relatively free-flowing, water-like beverage concentrate (e.g. fruit juice concentrate) with water. Higher viscosity syrups would produce even poorer mixing results.
- a float control for syrups can only be used to a limited extent, since the float sticks very easily due to crystallized sugar.
- the invention is therefore based on the object of providing a method and a structurally simple device for mixing beverage components which are reliable in function and which provide improved mixing results.
- the object is achieved in a method by the characterizing features of claim 1 and in one Device solved by the characterizing features of claim 3.
- the arrangement according to claim 5 also cleans the transition area from remaining residual amounts.
- the configuration according to the invention also makes it possible to use the tried-and-tested dosage via a receiving space which is to be completely filled, in particular for the syrup-like component.
- the mixture of the two components becomes the first receiving space by means of the flow rate or the flow cross section of the feed which can be regulated according to claim 7 improved even further.
- Claim 8 describes a first embodiment of a structural design and arrangement of both receiving spaces.
- Claim 9 describes a second, preferred embodiment of a structural arrangement and configuration of the receiving spaces.
- the cross-sectional area of the receiving space for the smaller component is expediently chosen to be smaller than the cross-sectional area of the receiving space for the larger component.
- the transition area has the same cross-sectional area as the receiving space for the smaller component. In this way, interfering "dead corners" are avoided.
- the cross-sectional area ratio between the two receiving spaces can be adjusted according to the desired mixing ratio of the components contained therein, so that the metering of both components is associated with an identical percentage error rate.
- the configuration of claim 14 improves the filling of the second receiving space, wherein the filling accuracy can be increased by the measure according to claim 15.
- FIG. 1 is a schematic representation of a flow diagram of a device 1 for mixing beverages G from two components, in particular a larger amount of water W and a smaller amount of syrup S.
- the water W used for mixing first reaches a conventional water supply 2 with ventilation and injector pressure degassing, in which the water is freed from the dissolved oxygen.
- the water supply 2 is state of the art and is therefore not explained further.
- From the water supply 2 the deaerated water passes through a line 3 into two identically designed and parallel dosing and mixing units 4 and 4 '.
- the syrup S is first fed via a line 5 and a valve 5a arranged therein into a storage container 6, the fill level of which can be checked via fill level indicators 7.
- a syrup line 8 leads from the bottom of the syrup container 6 to each of the metering and mixing units 4, 4 '.
- the dosing and mixing units 4 and 4 ' are identical, so that only the dosing and mixing unit 4 is explained below.
- the reference numerals for the metering and Mixing unit 4 'entered which correspond to those of the dosing and mixing unit 4 explained and are supplemented by a prime.
- the dosing and mixing unit 4 contains a first, larger receptacle 9, in the interior of which a first receptacle 11 with a predetermined volume is formed via a level meter 10.
- a second receptacle 12 is arranged below the first receptacle 9, the entire interior of which is designed as a receptacle space 13 for a predetermined amount of the syrup S to be mixed.
- the bottom of the upper container 9 is connected to the upper side of the lower container 12 via a pipeline 14 which can be shut off by a valve 14a.
- the pipeline 14 has a smaller cross-sectional area than the receiving space 11 and forms a transition region between the two containers 9 and 12.
- the bottom of the second container 12 is connected via a pipeline 15, which can be shut off by a valve 15a, to a collecting container 16, into which the corresponding one Line 15 'of the metering and mixing unit 4' opens.
- the line 3 for water opens laterally into the lower region of the second container 12 via two shut-off devices 3a and 3b with mutually different flow cross sections.
- the syrup line 8 also opens into the lower region of the lower container 12 via a shut-off valve 8a.
- the collecting container 16 is connected via a line 17 to a device 18 for impregnating or treating the finished beverage with carbon dioxide, which is well known in the prior art and therefore not further explained.
- This device 18 then becomes finished beverage G is pumped via a line 20 to a filling plant or the like.
- all containers 2, 6, 9, 12 and 18 are connected to the carbon dioxide circuit, as indicated by the reference number 21 for all lines and devices carrying carbon dioxide.
- a line system for cleaning liquid, in particular water, is also provided, the parts of which are identified by reference numeral 22.
- valve 8a is first opened and the receiving space 13 of the receptacle 12 is completely filled with syrup S, the valve in the discharge line 21 also being open, so that the CO2 filling can be displaced. In the meantime, the valves 3a, 3b, 14a, 15a are closed. If the receiving space 13 is completely filled with the amount of syrup S corresponding to its volume, the valve 8a is closed and the valve 14a and the valve 3a, which enables a relatively large water throughput, to be opened. As a result, water flows via the line 3 from the water supply 2 into the receiving space 13 and in part presses the syrup therein through the pipeline 14 into the upper receiving space 11 the syrup mixes intimately with the water.
- the water supply via the shut-off device 3a with the larger flow cross section is continued until one of the level indicators 10 reports that the total volume is about to be reached. Then the water supply is guided over the shut-off device 3b, which has a smaller flow cross-section, so that the liquid level in the receiving space 11 rises more slowly until the final level indicated by a higher level indicator is reached. In this way, the error is kept low by the necessary reaction and switching times when closing the water supply.
- valve 15a is opened with the valve 14a open, so that all of the liquid in the containers 9 and 12 drains into the collecting container 16. A further mixing takes place. In addition, any syrup still adhering to the walls of the lower container 12 or the confluent pipelines is rinsed out.
- FIG. 2 shows a dosing and mixing unit 40 which uses the dosing and mixing units 4 and 4 'in the device 1 of FIG. 1 and, analogously to these dosing and mixing units 4, 4' in the water line 3 ', the syrup line 8 ,
- the carbon dioxide line 21, the drain line 15 with the valve 15a and a cleaning line, not shown, can be switched on.
- the dosing and mixing unit 40 has a container 41 on the inside of which a first receiving space 42 and a second receiving space 43 are formed.
- the first receiving space 42 has a larger cross section than the second receiving space 43 and is arranged above it.
- the second receiving space 43 is connected directly to the first receiving space 42 via a transition opening 44, the cross-sectional area of the transition opening 44 being smaller than the cross-sectional area of the first receiving space 42 and being the same as the cross-sectional area of the second receiving space 43, at least in the upper one, of the same type Transitional opening 44 adjoining area.
- the volume of the lower receiving space 43 is limited by a suitable fill level measurement, such as, for example, a high-resolution displacement sensor or viewing window with a light barrier or the like.
- the total volume of the two receiving spaces 42 and 43 is limited either by the same or a separate, high-resolution displacement sensor 45 or by other, known level meters.
- the ratio of the smaller cross-sectional area of the lower receiving space 43 to the cross-sectional area of the upper receiving space 42 is matched to the desired mixing ratio. In this way, each level measurement, both in the receiving space 43 and in the receiving space 42, is subject to the same error rate, so that the mixing accuracy is increased.
- the cross-sectional ratio of the receiving spaces 43 to 42 can be approximately 1: 5.
- the water W is introduced laterally into the second, lower receiving space 43 via two shut-off devices 3a and 3b with different flow cross sections from below.
- the water W can initially be introduced quickly and slowly at the end of the filling process in order to improve the accuracy of the metering.
- the syrup S is introduced from below, laterally into the second, lower receiving space 43 via two flow elements 8a and 8b for changing the flow rate. This means that the syrup can be introduced quickly and slowly before it reaches its desired level.
- the syrup S is first introduced via the line 8 into the receiving space 43, first quickly and then slowly, until its predetermined filling volume is reached just below the transition opening 44. Then the syrup supply is switched off. Then the water W is introduced via line 3, first quickly, then slowly from below into the second receiving space 43. The inflowing water presses the syrup through the transition opening 44 into the first, upper receiving space 42, the mixing results being further improved by increasing the cross section. The water supply remains open until the predetermined total fill level is reached. After the water supply has been shut off, the valve 15a is opened and the liquid flows downward into the collecting container 16 in the manner already described.
- the cross-sectional transitions lying downward in the flow direction are both in the metering and mixing unit 4, 4 'from FIG. 1 (not shown) also rounded off in the metering and mixing unit 40 of FIG. 2 (drawn). This applies in particular to the lower, outer boundaries of both recording spaces.
- the receiving space 13 in the exemplary embodiment according to FIG. 1 can also be rounded at its upper, outer edges in order to facilitate the inflow of the liquid into the transition pipeline 14.
- the flow rate of the syrup into the lower receiving space in FIG. 1 can also be regulated.
- the transition areas can also be funnel-shaped or goblet-shaped.
- other beverage components such as fruit juice concentrates or the like, can also be processed with the device according to the invention.
- the device according to the invention can be modified in a simple manner, for example by using the second metering and mixing unit of FIG. 1 for mixing in a third, and further metering and mixing units for mixing in further beverage components. Three or even more recording rooms can also be connected in series.
- the receiving spaces can, for example, also be arranged next to one another.
- the device according to the invention can also be used if the syrup content exceeds the water content, if it is ensured that the water is sufficiently large Has pressure to be able to be pushed through the higher syrup column.
- a (smaller) component of water can first be introduced into the lower receiving space, through which a (larger) component, for example fruit juice concentrate, is then passed.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices For Dispensing Beverages (AREA)
- Apparatus For Making Beverages (AREA)
- Non-Alcoholic Beverages (AREA)
Claims (15)
- Procédé de mélange de composants de boissons, de sirop et d'eau en particulier, selon lequel les composants sont introduits dans des compartiments de réception pour le dosage, un second compartiment de réception rempli de l'un des composants, de sirop en particulier, étant parcouru par le flux issu d'un premier compartiment de réception, caractérisé en ce que l'arrivée dans le premier compartiment de réception passe au travers du second compartiment, un élargissement de la section d'écoulement étant prévu entre le second compartiment de réception et le premier, et le composant contenu dans le second compartiment de réception, du sirop en particulier, étant entraîné dans le premier compartiment par l'arrivée de l'autre composant, de l'eau en particulier.
- Procédé suivant la revendication 1, caractérisé en ce que le premier compartiment de réception est disposé au-dessus du second compartiment, et en ce que l'arrivée est assurée du bas vers le haut, le flux issu s'écoulant du haut vers le bas.
- Appareil pour le mélange de composants de boissons, de sirop et d'eau en particulier, sur lequel sont prévus un premier et un second compartiment de réception pour les composants, pour la réalisation du procédé suivant l'une des revendications 1 ou 2, caractérisé en ce que la section transversale du premier compartiment de réception est supérieure à celle du second compartiment, et en ce que l'arrivée dans le premier compartiment de réception (11, 11', 42) passe au travers du second compartiment de réception (13, 13', 43) rempli de l'un des composants, de sirop en particulier, et d'une zone de jonction (14, 44), disposée entre le premier et le second compartiment de réception, le composant, contenu dans le second compartiment de réception (13, 13', 43), étant entraîné dans le second compartiment (11, 11', 42) par l'afflux de l'autre composant, d'eau en particulier.
- Appareil suivant la revendication 3, caractérisé en ce que l'arrivée dans le premier compartiment de réception (11, 11', 42) est assurée par l'intermédiaire d'une conduite (3), qui débouche dans la zone inférieure du second compartiment de réception (13, 13', 43), la zone de jonction (14, 44) se situant entre la zone supérieure du second compartiment de réception (13, 13', 43) et la zone inférieure du premier compartiment de réception (11, 11', 42), et en ce que le premier compartiment de réception (11, 11', 42) est disposé au-dessus du second (13, 13', 43).
- Appareil suivant l'une quelconque des revendications 3 ou 4, caractérisé en ce que le flux issu du premier compartiment de réception (11, 11', 42) s'écoule au travers de la zone de jonction (14, 44).
- Appareil suivant l'une quelconque des revendications 3 à 5, caractérisé en ce que le volume du second compartiment de réception (13, 13', 43) correspond à celui du volume à doser.
- Appareil suivant l'une quelconque des revendications 3 à 6, caractérisé en ce que la vitesse ou la section d'écoulement de l'arrivée dans le premier compartiment de réception (11, 11', 42) est réglable.
- Appareil suivant l'une quelconque des revendications 3 à 7, caractérisé en ce que le premier et le second compartiment de réception (11, 11', 13, 13') se situent respectivement dans des réservoirs propres (9, 9', 12, 12'), reliés entre eux par une conduite (14) qui forme une zone de jonction.
- Appareil suivant l'une quelconque des revendications 3 à 7, caractérisé en ce que le premier et le second compartiment de réception (42, 43) se situent dans un réservoir commun (41), la zone de jonction étant réalisée sous forme de variation de section (44).
- Appareil suivant la revendication 9, caractérisé en ce que l'aire de la section du second compartiment de réception (43) est inférieure à celle du premier compartiment (42).
- Appareil suivant la revendication 10, caractérisé en ce que l'aire de la section du second compartiment de réception (43) correspond à celle de la zone de jonction (44).
- Appareil suivant l'une des revendications 10 ou 11, caractérisé en ce que le rapport de l'aire de la section du second compartiment de réception (43) sur celle du premier compartiment (42) correspond à peu près au rapport de mélange souhaité des composants.
- Appareil suivant la revendication 12, caractérisé en ce que le rapport des aires de section des compartiments de réception (43, 42) est de l'ordre de 1 : 5, pour un rapport de mélange compris entre 1 : 4 et 1 : 6 environ.
- Appareil suivant l'une quelconque des revendications 9 à 13, caractérisé en ce que l'arrivée dans le second compartiment de réception (43), pour le composant à contenir dans le compartiment (43) précité, débouche dans la zone inférieure du second compartiment de réception (43).
- Appareil suivant la revendication 14, caractérisé en ce que la vites se ou la section d'écoulement de l'arrivée dans le second compartiment de réception (43) est réglable.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4114673 | 1991-05-06 | ||
DE4114673A DE4114673C1 (fr) | 1991-05-06 | 1991-05-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0512393A1 EP0512393A1 (fr) | 1992-11-11 |
EP0512393B1 true EP0512393B1 (fr) | 1995-09-13 |
Family
ID=6431037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92107305A Expired - Lifetime EP0512393B1 (fr) | 1991-05-06 | 1992-04-29 | Méthode et appareil pour mélanger les composants d'une boisson |
Country Status (5)
Country | Link |
---|---|
US (1) | US5293909A (fr) |
EP (1) | EP0512393B1 (fr) |
JP (1) | JP2622462B2 (fr) |
DE (2) | DE4114673C1 (fr) |
ES (1) | ES2077282T3 (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3282817B2 (ja) * | 1993-01-19 | 2002-05-20 | バクスター、インターナショナル、インコーポレイテッド | マルチチャンバー容器 |
US5720414A (en) * | 1995-10-13 | 1998-02-24 | Adams; Rodney W. | Water infusion system |
US5642761A (en) * | 1996-02-21 | 1997-07-01 | Fountain Fresh, Inc. | Liquid proportioning apparatus and method |
DE19751500A1 (de) * | 1997-11-21 | 1999-05-27 | Compair Mahle Gmbh | Einrichtung zjm Abfüllen von Scheibenwaschflüssigkeit in einen Tank eines Kraftfahrzeuges |
DE19818738C2 (de) * | 1998-04-27 | 2000-05-25 | Waeschle Gmbh | Verfahren und Vorrichtung zum Verringern der Feststoffkonzentration einer Dispersion aus Flüssigkeit und Feststoffpartikeln |
US6230761B1 (en) * | 1999-03-04 | 2001-05-15 | Alliedsignal Inc. | Injection system |
SE518088C2 (sv) * | 2000-10-30 | 2002-08-27 | Tetra Laval Holdings & Finance | Metod och anordning för att blanda två faser av en livsmedelsprodukt |
JP4790995B2 (ja) * | 2004-03-19 | 2011-10-12 | 株式会社テクノメイト | スラリー希釈装置 |
US8046976B2 (en) * | 2006-07-25 | 2011-11-01 | The Coca-Cola Company | Devices and methods for packaging beverages |
EP2272384A1 (fr) * | 2009-07-08 | 2011-01-12 | INDAG Gesellschaft für Industriebedarf mbH & Co. Betriebs KG | Procédé et dispositif destinés à la fabrication de boissons |
CA2801330C (fr) | 2010-06-04 | 2016-03-29 | Pepsico, Inc. | Collecteur de distribution de boisson glacee |
DE102010025690A1 (de) | 2010-06-30 | 2012-01-05 | Khs Gmbh | Verfahren und Anlage zur Herstellung von Fluidgemischen, z.B. Getränken |
DE102012215530A1 (de) | 2012-08-31 | 2014-03-06 | Krones Ag | Misch-Regelventil |
DE102015116392A1 (de) | 2015-09-28 | 2017-03-30 | Endress+Hauser Conducta Gmbh+Co. Kg | Vorrichtung zum Dosieren einer Flüssigkeit |
JP7177049B2 (ja) | 2016-11-09 | 2022-11-22 | ペプシコ・インク | 炭酸飲料メーカ、方法、及びシステム |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE890713C (de) * | 1953-08-13 | Dwoberg über DeImenihorst Hans Gunter Möller | Verfahren und Vorrichtung zum Mischen der Komponenten von Schaumstoffen aus Kunststoff | |
US2711928A (en) * | 1954-10-21 | 1955-06-28 | Randa Donald Ernest | Mixing valves for car washing and other purposes |
DE1557161B2 (de) * | 1967-10-06 | 1971-06-16 | Matex GmbH Maschinentechnik, 6800 Mannheim | Vorrichtung zum dosieren mischen und impraegnieren von fluessigkeiten |
US4193516A (en) * | 1977-06-23 | 1980-03-18 | Purdy Proportioners, Ltd. | Liquid proportioner for mixing two liquids in a predetermined ratio |
DE3132706C2 (de) * | 1981-08-19 | 1991-03-07 | Ortmann & Herbst Gmbh, 2000 Hamburg | Vorrichtung zum Dosieren, Entlüften und Karbonisieren von Mehrkomponentengetränken |
US4863454A (en) * | 1987-10-16 | 1989-09-05 | Labove Larry D | Dual bag intravenous preparation system |
DE3903694C1 (fr) * | 1989-02-08 | 1990-03-08 | Ortmann & Herbst Gmbh, 2000 Hamburg, De | |
US5004024A (en) * | 1989-03-17 | 1991-04-02 | Rezmer Leonard D | Sealable funnel for measurement and spill prevention |
US5144004A (en) * | 1990-12-10 | 1992-09-01 | Phillips Petroleum Company | Process for preparing arylene sulfide sulfone/sulfoxide polymers |
-
1991
- 1991-05-06 DE DE4114673A patent/DE4114673C1/de not_active Expired - Lifetime
-
1992
- 1992-04-29 EP EP92107305A patent/EP0512393B1/fr not_active Expired - Lifetime
- 1992-04-29 ES ES92107305T patent/ES2077282T3/es not_active Expired - Lifetime
- 1992-04-29 DE DE59203627T patent/DE59203627D1/de not_active Expired - Fee Related
- 1992-05-05 US US07/878,584 patent/US5293909A/en not_active Expired - Lifetime
- 1992-05-06 JP JP4113692A patent/JP2622462B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE4114673C1 (fr) | 1992-11-12 |
ES2077282T3 (es) | 1995-11-16 |
EP0512393A1 (fr) | 1992-11-11 |
JP2622462B2 (ja) | 1997-06-18 |
JPH07177868A (ja) | 1995-07-18 |
US5293909A (en) | 1994-03-15 |
DE59203627D1 (de) | 1995-10-19 |
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