EP0526442B1 - Keg with optimal emptying - Google Patents
Keg with optimal emptying Download PDFInfo
- Publication number
- EP0526442B1 EP0526442B1 EP19920870110 EP92870110A EP0526442B1 EP 0526442 B1 EP0526442 B1 EP 0526442B1 EP 19920870110 EP19920870110 EP 19920870110 EP 92870110 A EP92870110 A EP 92870110A EP 0526442 B1 EP0526442 B1 EP 0526442B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- keg
- shell
- channel
- barrel
- circular channel
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
- B65D7/02—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by shape
- B65D7/04—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by shape of curved cross-section, e.g. cans of circular or elliptical cross-section
- B65D7/045—Casks, barrels, or drums in their entirety, e.g. beer barrels, i.e. presenting most of the following features like rolling beads, double walls, reinforcing and supporting beads for end walls
Definitions
- the invention relates to drums designed so as to reduce the volume of the remains of transported products, and more particularly in the case of liquid or viscous products.
- Application BE-A-9100562 describes a double-cask drum in which a flexible pocket lines the inside of the metal wall, which allows a radical elimination of the residues which are eliminated with the pocket after use.
- Another known solution is to promote the flow of the remainders of liquid products by inverting the barrels and by channeling the remaining fluid towards the bungs.
- Document DE-U-8628268 describes a barrel model in which radial grooves formed in the bottom (the central part of which is in a bowl) favor the flow of residuals of liquid or viscous products towards a circular channel.
- the path followed by the remains is relatively complex and leaves many blind spots where these remains remain to be stagnated.
- Document US-4005813 describes a reconditioning method for metallic beer barrels.
- the bottom of these reconditioned barrels is curved inward and is connected, without any continuity, to the side wall, forming an annular bowl.
- a valve is attached to the center of the lid. This valve is connected to a curved tube which is engaged in the annular bowl, so as to allow the barrel to be completely emptied by pressurization.
- a rigorous emptying of the keg is not required, as beer is not a dangerous product at moderate dose.
- the quantity of liquid that remains in a conventional 200-liter barrel, after emptying it can be estimated at around 2000 to 2500 ml!
- this residual quantity is reduced to approximately 50 ml, which can be considered as a very satisfactory result.
- An object of the invention is to achieve such a result without forcing the operator to additional manipulations.
- Another object of the invention is not to make the manufacture of the barrels more complex, and therefore to have practically no effect on the cost price.
- Another aim is to not have to use any special equipment, except standard, to use these barrels.
- the subject of the invention is a metal barrel which has a central axis, a ferrule disposed along this axis, a bottom and a cover provided with bungs fixed to this ferrule; the bottom of the barrel forms a figure of revolution; the central part of this bottom has the shape of a domed domed towards the inside of the barrel; the periphery of this dome is connected to the internal periphery of a circular channel; the outer edge of this channel is connected to the base of an inverted truncated cone which rises flaring from the channel to the wall of the shell; the periphery of this bottom folds into a cylindrical crown secured to the ferrule.
- This circular channel extending at the same distance from the axis of the barrel as the bungs fixed on the cover.
- the bottom of the channel is flat, its width corresponding substantially to the diameter of a pump nozzle suitable for emptying the barrel.
- this channel has a concave section, the cellar side facing the inside of the barrel.
- a flat primer capable of supporting the end of the endpiece is advantageously provided between the inverted truncated cone and the channel.
- the bottom is preferably fixed to the shell by crimping.
- an inner rib is formed on the ferrule at the height of its junction with the crown, so as to reduce the quantity of liquid or viscous product capable of being retained between the wall of the ferrule and the bottom.
- Another advantage of the invention is that the barrel is emptied normally in a vertical position, without it being necessary to turn it over after use to arrive to complete emptying, thus achieving one of the objectives which the invention has imposed itself.
- Another advantage is that the barrel according to the invention is practically not transformed as regards its external dimensions nor its performance.
- the bottom of the barrel according to the invention is more rigid than a barrel bottom according to the prior art.
- the bottom 1 of the barrel according to the invention is connected to the ferrule 2 forming the side wall of the barrel by a crimping 3. This bottom has on the whole a form of revolution centered on the axis 4 of the barrel.
- the central part of the bottom has the shape of a dome 5 curved towards the inside of the barrel.
- This dome 5 is connected to the inner edge 6 of a flat-bottom channel 7.
- the outer edge 8 of this channel 7 is connected to the base of an inverted truncated cone 9 disposed at the periphery and whose slope goes back to the shell 2.
- the base 1 is folded down: it forms a crown concentric with the shell.
- the ends of the crown 10 and of the ferrule 2 are wound on themselves to form the crimping 3 of the base of the barrel.
- the sides of the dome 5, the channel 7 and the trunk of inverted cone determining a circular concavity in the bottom of the barrel.
- the channel forming the bottom of this concavity is located at the same distance from the axis 4 of the barrel as a standard plug 11 mounted on the cover 12, so that the end piece 13 of a pump 14 threaded vertically into the plug 11 of the cover 12 is therefore automatically aligned on the circular channel and this, whatever was, during the assembly of the barrel, the position of the cover 12 relative to that of the bottom 1.
- the slopes of the different walls are adjusted so as to avoid flow interruptions due to the respective wetting properties of liquids and surfaces.
- the end piece 13 should have a profile suitable for the shape of the circular channel. It is not that the force of the pump causes an obstruction of the nozzle by suction effect. This is why, for a channel whose bottom consists of a flat ring 7 as in FIG. 1, it may be necessary to adapt the end of the endpiece, either by lateral notches 15, as shown in FIG. 2, either by indentations 16 as shown in FIG. 3. In known manner, the end piece 13 is provided at its lower part with a non-return valve retaining the column of liquid or viscous product under the pump 14.
- the diameter of the nozzle 13 is substantially equal to the width of the channel 7 with a flat bottom.
- Fig. 4 shows another embodiment of the barrel according to the invention.
- the bottom of the channel 7 is no longer flattened as in FIG. 1, it offers a concave section 17.
- the inverted truncated cone 9 shows, at its junction with the channel 17, a flattening primer 18 making it possible to support the end of the end piece 13.
- the diameter of the end piece 13 is wider than the channel 17, which always leaves a certain distance between the end of the end piece and the bottom of the channel. It is therefore not possible to plug the nozzle by suction effect, and it is possible with this version to use standard-shaped nozzles.
- An inner rib 20 is formed during the manufacture of the shell of the barrel according to the invention, at the level of the junction between the shell 2 and the bottom 1; the line of contact between these two parts is in this way less reentrant. This avoids the formation of a recess in which could be housed liquid or viscous products transported, which it would be difficult to dislodge afterwards, by effect of the surface tension; the quantities thus captured form a significant part in the account of product residues that the barrel according to the invention seeks precisely to reduce.
Description
L'invention concerne les fûts conçus de façon à réduire le volume des restes de produits transportés, et plus spécialement dans le cas de produits liquides ou visqueux.The invention relates to drums designed so as to reduce the volume of the remains of transported products, and more particularly in the case of liquid or viscous products.
Sur le marché des récipients industriels, l'élimination des résidus répond moins à des soucis économiques qu'à une prise de conscience des effets néfastes de ces résidus sur l'environnement et sur le cycle de récupération des récipients eux-mêmes.In the industrial container market, the elimination of residues responds less to economic concerns than to an awareness of the harmful effects of these residues on the environment and on the recovery cycle of the containers themselves.
Quel que soit le type de récipient employé, on obtient rarement une "vidange totale" du fait notamment de la viscosité des produits.Whatever the type of container used, one rarely obtains a "total emptying" due in particular to the viscosity of the products.
La demande BE-A-9100562 décrit un fût à double enveloppe dans lequel une poche souple tapisse l'intérieur de la paroi métallique, ce qui permet une élimination radicale des résidus qui sont éliminés avec la poche après usage.Application BE-A-9100562 describes a double-cask drum in which a flexible pocket lines the inside of the metal wall, which allows a radical elimination of the residues which are eliminated with the pocket after use.
Une autre solution connue est de favoriser l'écoulement des reliquats de produits liquides en retournant les fûts et en canalisant le fluide subsistant vers les bondes.Another known solution is to promote the flow of the remainders of liquid products by inverting the barrels and by channeling the remaining fluid towards the bungs.
Pour atteindre leur pleine efficacité, ces solutions élaborées demandent une certaine collaboration de la part du personnel manipulant les fûts. Ces solutions demandent souvent, en effet, un surcroît de manipulations (retournement des fûts, manipulation des poches ...) et risquent d'être parfois mal appliquées, ou encore elles impliquent davantage de mécanisation dans les manipulations.To reach their full effectiveness, these developed solutions require a certain collaboration on the part of the personnel handling the drums. These solutions often require, in fact, additional handling (overturning of the barrels, handling of the bags, etc.) and risk being sometimes poorly applied, or else they involve more mechanization in the handling.
On a cherché une méthode appliquée à la vidange par pompage ne donnant à l'opérateur aucun travail supplémentaire, et n'impliquant aucune manipulation supplémentaire, qui réduise de façon effective la quantité de produits subsistant au fond des fûts après usage.We sought a method applied to pump-out, giving the operator no additional work, and involving no additional handling, which effectively reduces the quantity of products remaining at the bottom of the barrels after use.
Le document DE-U-8628268 décrit un modèle de fût dans lequel des rainures radiales ménagées dans le fond (dont la partie centrale est en cuvette) favorisent l'écoulement de reliquats de produits liquides ou visqueux vers une rigole circulaire. Le parcours suivi par les reliquats est relativement complexe et laisse subsister de nombreux angles morts où ces reliquats restent à stagner.Document DE-U-8628268 describes a barrel model in which radial grooves formed in the bottom (the central part of which is in a bowl) favor the flow of residuals of liquid or viscous products towards a circular channel. The path followed by the remains is relatively complex and leaves many blind spots where these remains remain to be stagnated.
Le document US-4005813 décrit une méthode de reconditionnement pour des barils à bière métalliques. Le fond de ces barils reconditionnés est bombé vers l'intérieur et se raccorde, sans solution de continuité, à la paroi latérale, en formant une cuvette annulaire. Lors du soutirage, une valve est fixée au centre du couvercle. Cette valve est raccordée à une tubulure recourbée qui est engagée dans la cuvette annulaire, de façon à permettre de vider complètement le fût par mise sous pression. Cependant, comme le montre d'ailleurs la disposition aléatoire de la tubulure, une vidange rigoureuse du fût n'est pas requise, la bière n'étant pas un produit dangereux à dose modérée s'entend.Document US-4005813 describes a reconditioning method for metallic beer barrels. The bottom of these reconditioned barrels is curved inward and is connected, without any continuity, to the side wall, forming an annular bowl. When racking, a valve is attached to the center of the lid. This valve is connected to a curved tube which is engaged in the annular bowl, so as to allow the barrel to be completely emptied by pressurization. However, as the random arrangement of the tubing shows, a rigorous emptying of the keg is not required, as beer is not a dangerous product at moderate dose.
Il faut noter que la quantité de liquide qui subsiste dans un fût classique de 200 litres, après vidange de celui-ci, peut être estimée de l'ordre de 2000 à 2500 ml !It should be noted that the quantity of liquid that remains in a conventional 200-liter barrel, after emptying it, can be estimated at around 2000 to 2500 ml!
Avec un fût doté d'un fond conforme à l'invention, disposé verticalement et vidé par une pompe, cette quantité résiduelle est ramenée à environ 50 ml, ce qui peut être considérée comme un résultat très satisfaisant.With a barrel provided with a bottom according to the invention, arranged vertically and emptied by a pump, this residual quantity is reduced to approximately 50 ml, which can be considered as a very satisfactory result.
Un but de l'invention est de parvenir à un tel résultat sans astreindre l'opérateur à des manipulations supplémentaires.An object of the invention is to achieve such a result without forcing the operator to additional manipulations.
Un autre but de l'invention est de ne pas rendre la fabrication des fûts plus complexe, donc de n'avoir pratiquement pas d'incidence sur le prix de revient.Another object of the invention is not to make the manufacture of the barrels more complex, and therefore to have practically no effect on the cost price.
Un autre but est de ne devoir pas utiliser d'appareillage particulier, hors standard, pour utiliser ces fûts.Another aim is to not have to use any special equipment, except standard, to use these barrels.
L'invention a pour objet un fût métallique qui comporte un axe central, une virole disposée suivant cet axe, un fond et un couvercle muni de bondes fixées à cette virole; le fond du fût forme une figure de révolution; la partie centrale de ce fond a la forme d'un dôme bombé vers l'intérieur du fût; le pourtour de ce dôme se raccorde au pourtour intérieur d'une rigole circulaire; le bord extérieur de cette rigole se raccorde à la base d'un tronc de cône inversé qui remonte en s'évasant depuis la rigole jusqu'à la paroi de la virole; le pourtour de ce fond se rabat en une couronne cylindrique solidarisée à la virole.The subject of the invention is a metal barrel which has a central axis, a ferrule disposed along this axis, a bottom and a cover provided with bungs fixed to this ferrule; the bottom of the barrel forms a figure of revolution; the central part of this bottom has the shape of a domed domed towards the inside of the barrel; the periphery of this dome is connected to the internal periphery of a circular channel; the outer edge of this channel is connected to the base of an inverted truncated cone which rises flaring from the channel to the wall of the shell; the periphery of this bottom folds into a cylindrical crown secured to the ferrule.
Cette rigole circulaire s'étendant à la même distance de l'axe du fût que les bondes fixées sur le couvercle.This circular channel extending at the same distance from the axis of the barrel as the bungs fixed on the cover.
Suivant une forme d'exécution avantageuse, le fond de la rigole est plan, sa largeur correspondant sensiblement au diamètre d'un embout de pompe adaptée à la vidange du fût.According to an advantageous embodiment, the bottom of the channel is flat, its width corresponding substantially to the diameter of a pump nozzle suitable for emptying the barrel.
Suivant une autre forme d'exécution avantageuse, cette rigole a une section concave, le côté cave étant tourné vers l'intérieur du fût.According to another advantageous embodiment, this channel has a concave section, the cellar side facing the inside of the barrel.
Dans ce mode d'exécution, une amorce d'à-plat apte à soutenir l'extrémité de l'embout est avantageusement ménagée entre le tronc de cône inversé et la rigole.In this embodiment, a flat primer capable of supporting the end of the endpiece is advantageously provided between the inverted truncated cone and the channel.
Le fond est de préférence fixé à la virole par sertissage.The bottom is preferably fixed to the shell by crimping.
De façon avantageuse, une nervure intérieure est ménagée sur la virole à hauteur de sa jonction avec la couronne, de façon à réduire la quantité de liquide ou de produit visqueux susceptible d'être retenue entre la paroi de la virole et le fond.Advantageously, an inner rib is formed on the ferrule at the height of its junction with the crown, so as to reduce the quantity of liquid or viscous product capable of being retained between the wall of the ferrule and the bottom.
Un autre avantage de l'invention est que le fût est vidé normalement en position verticale, sans qu'il soit nécessaire de le retourner après usage pour arriver à la vidange complète, atteignant ainsi un des objectifs que s'est imposée l'invention.Another advantage of the invention is that the barrel is emptied normally in a vertical position, without it being necessary to turn it over after use to arrive to complete emptying, thus achieving one of the objectives which the invention has imposed itself.
Un autre avantage est que le fût suivant l'invention n'est pratiquement pas transformé quant à ses dimensions extérieures ni ses performances.Another advantage is that the barrel according to the invention is practically not transformed as regards its external dimensions nor its performance.
En outre, le fond du fût suivant l'invention est plus rigide qu'un fond de fût suivant l'art antérieur.In addition, the bottom of the barrel according to the invention is more rigid than a barrel bottom according to the prior art.
D'autres particularités et avantages de l'invention ressortiront de la description ci-après de formes de réalisation particulière référence étant faite aux dessins annexés, dans lesquels :
- la Fig. 1 est une vue en coupe axiale avec interruption d'un fût suivant l'invention;
- les Fig. 2 et 3 sont des vues en perspectives interrompues d'embouts de pompes adaptées à l'invention, et
- la Fig. 4 est une vue en coupe axiale de la partie inférieure d'un fût suivant l'invention, suivant une autre forme de réalisation.
- Fig. 1 is an axial section view with interruption of a barrel according to the invention;
- Figs. 2 and 3 are interrupted perspective views of pump tips adapted to the invention, and
- Fig. 4 is an axial sectional view of the lower part of a barrel according to the invention, according to another embodiment.
Le fond 1 du fût suivant l'invention se raccorde à la virole 2 formant la paroi latérale du fût par un sertissage 3. Ce fond a dans l'ensemble une forme de révolution centrée sur l'axe 4 du fût.The
La partie centrale du fond a la forme d'un dôme 5 bombé vers l'intérieur du fût.The central part of the bottom has the shape of a
Le pourtour de ce dôme 5 se raccorde au bord intérieur 6 d'une rigole à fond plat 7. Le bord extérieur 8 de cette rigole 7 se raccorde à la base d'un tronc de cône inversé 9 disposé à la périphérie et dont la pente remonte jusqu'à la virole 2.The periphery of this
Au point de contact entre le cône inversé 9 et la virole 2, le fond 1 est rabattu vers le bas : il forme une couronne concentrique à la virole. Les extrémités de la couronne 10 et de la virole 2 sont enroulées sur elles-mêmes pour former le sertissage 3 de la base du fût.At the point of contact between the inverted
Les flancs du dôme 5, la rigole 7 et le tronc de cône inversé déterminant une concavité circulaire dans le fond du fût. La rigole formant le fond de cette concavité est située à la même distance de l'axe 4 du fût qu'une bonde normalisée 11 montée sur le couvercle 12, de sorte que l'embout 13 d'une pompe 14 enfilé verticalement dans la bonde 11 du couvercle 12 est de ce fait automatiquement aligné sur la rigole circulaire et cela, quelle qu'ait été, lors de l'assemblage du fût, la position du couvercle 12 par rapport à celle du fond 1.The sides of the
Les reliquats du produit contenu initialement dans le fût ont naturellement tendance à descendre vers le fond de la rigole. Pour peu que l'on incline très légèrement le corps du fût (de l'ordre de 5°) l'embout 13 est placé automatiquement dans la position la plus favorable pour que l'on puisse aspirer jusqu'aux ultimes fractions du contenu.The remainders of the product initially contained in the barrel naturally tend to descend towards the bottom of the channel. As long as the body of the barrel is tilted very slightly (of the order of 5 °) the
Les pentes des différentes parois sont ajustées de façon à éviter les interruptions d'écoulement dues aux propriétés mouillantes respectives des liquides et des surfaces.The slopes of the different walls are adjusted so as to avoid flow interruptions due to the respective wetting properties of liquids and surfaces.
Il convient que l'embout 13 soit doté d'un profil approprié à la forme de la rigole circulaire. Il ne s'agit pas que l'effort de la pompe entraîne une obstruction de l'embout par effet de succion. C'est pourquoi, pour une rigole dont le fond est constitué par un anneau plat 7 comme à la Fig. 1, on peut être amené à adapter l'extrémité de l'embout, soit par des échancrures latérales 15, comme montré à la Fig. 2, soit par des indentations 16 comme montré à la Fig. 3. De façon connue, l'embout 13 est muni à sa partie inférieure d'un clapet anti-retour retenant la colonne de liquide ou de produit visqueux sous la pompe 14.The
Le diamètre de l'embout 13 est sensiblement égal à la largeur de la rigole 7 à fond plat.The diameter of the
La Fig. 4 montre une autre forme d'exécution du fût suivant l'invention.Fig. 4 shows another embodiment of the barrel according to the invention.
Le fond de la rigole 7 n'est plus aplati comme à la Fig. 1, il offre une section concave 17.The bottom of the channel 7 is no longer flattened as in FIG. 1, it offers a
Le tronc de cône inversé 9 montre, à sa jonction avec la rigole 17, une amorce d'à-plat 18 permettant de soutenir l'extrémité de l'embout 13.The inverted
Le diamètre de l'embout 13 est plus large que la rigole 17, ce qui laisse toujours subsister une certaine distance entre l'extrémité de l'embout et le fond de la rigole. Il n'est donc pas possible de boucher l'embout par effet de succion, et on peut avec cette version utiliser des embouts de forme standard.The diameter of the
Une nervure intérieure 20 est formée lors de la fabrication de la virole du fût suivant l'invention, à hauteur de la jonction entre la virole 2 et le fond 1; la ligne de contact entre ces deux pièces est de cette façon moins rentrante. On évite ainsi la formation d'un recoin dans lequel pourrait se loger du liquide ou des produits visqueux transportés, qu'il serait difficile de déloger ensuite, par effet de la tension superficielle; les quantités ainsi capturées entrent pour une part non négligeable dans le compte des restes de produits que le fût suivant l'invention cherche précisément à réduire.An
Claims (6)
- Metal keg comprising a central axis (4), a shell (2) disposed along this axis, a bottom (1) and a lid (12) fitted with bungs (11), the bottom and lid both being fixed to this shell, characterised in that the bottom (1) of this keg forms a figure of revolution, the central part of this bottom (1) having the shape of a dome (5) curved towards the interior of the keg, the perimeter of this dome being connected to the internal perimeter (6) of a circular channel (7, 17), the external edge (8) of this circular channel (7, 17) being connected to the base of a truncated inverted cone (9) which rises, flaring outwards, from the circular channel (7, 17) up to the wall of the shell (2), the perimeter of this bottom (1) being folded over into a cylindrical rim (10) rigidly attached to the shell (2), this circular channel (7, 17) being extended at the same distance from the axis (4) of the keg as the bungs (11) fixed onto the lid (12).
- Keg according to Claim 1, characterised in that the bottom of the channel is planar, its width corresponding substantially to the diameter of a connecting pipe (13) of a pump (14) suitable for emptying the keg.
- Keg according to Claim 1, characterised in that the channel (7, 17) has a concave cross-section, the hollow side being turned towards the interior of the keg.
- Keg according to Claim 3, characterised in that it comprises a beginning of a flat part, capable of supporting the end of the pump connecting pipe (13), between the truncated inverted cone (9) and the channel (7, 17).
- Keg according to any one of the preceding claims, characterised in that the bottom (1) is fixed to the shell by crimping (3).
- Keg according to any one of the preceding claims, characterised in that an internal rib is provided on the shell at the height where it joins the rim (10), so as to reduce the quantity of liquid or of viscous product liable to be retained between the wall of the shell (2) and the bottom (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE9100709A BE1005082A3 (en) | 1991-07-31 | 1991-07-31 | A drain was optimal. |
| BE9100709 | 1991-07-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0526442A1 EP0526442A1 (en) | 1993-02-03 |
| EP0526442B1 true EP0526442B1 (en) | 1994-11-02 |
Family
ID=3885636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19920870110 Expired - Lifetime EP0526442B1 (en) | 1991-07-31 | 1992-07-30 | Keg with optimal emptying |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0526442B1 (en) |
| BE (1) | BE1005082A3 (en) |
| DE (2) | DE69200619T2 (en) |
| ES (1) | ES2038584T3 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR816182A (en) * | 1936-01-11 | 1937-08-02 | Crown Cork & Seal Co | Improvements to metal cans or stagnants, and process for the manufacture thereof |
| US4005813A (en) * | 1975-10-06 | 1977-02-01 | Johnston Mack S | Single-opening beer keg and method of producing from conventional keg |
| DE8628268U1 (en) * | 1986-10-23 | 1986-12-11 | Mauser-Werke Gmbh, 5040 Bruehl, De |
-
1991
- 1991-07-31 BE BE9100709A patent/BE1005082A3/en not_active IP Right Cessation
-
1992
- 1992-07-30 EP EP19920870110 patent/EP0526442B1/en not_active Expired - Lifetime
- 1992-07-30 DE DE1992600619 patent/DE69200619T2/en not_active Expired - Fee Related
- 1992-07-30 ES ES92870110T patent/ES2038584T3/en not_active Expired - Fee Related
- 1992-07-30 DE DE1992870110 patent/DE526442T1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE1005082A3 (en) | 1993-04-13 |
| ES2038584T1 (en) | 1993-08-01 |
| DE69200619D1 (en) | 1994-12-08 |
| DE69200619T2 (en) | 1995-05-11 |
| ES2038584T3 (en) | 1995-02-01 |
| EP0526442A1 (en) | 1993-02-03 |
| DE526442T1 (en) | 1993-07-22 |
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