EP0552347B1 - Automatic cup return machine - Google Patents

Automatic cup return machine Download PDF

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Publication number
EP0552347B1
EP0552347B1 EP92916998A EP92916998A EP0552347B1 EP 0552347 B1 EP0552347 B1 EP 0552347B1 EP 92916998 A EP92916998 A EP 92916998A EP 92916998 A EP92916998 A EP 92916998A EP 0552347 B1 EP0552347 B1 EP 0552347B1
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EP
European Patent Office
Prior art keywords
cup
shaft
guide cylinder
stacking
stacking shaft
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Expired - Lifetime
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EP92916998A
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German (de)
French (fr)
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EP0552347A1 (en
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Max Schiffelholz
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Individual
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Individual
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    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F7/00Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/06Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by returnable containers, i.e. reverse vending systems in which a user is rewarded for returning a container that serves as a token of value, e.g. bottles
    • G07F7/0609Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by returnable containers, i.e. reverse vending systems in which a user is rewarded for returning a container that serves as a token of value, e.g. bottles by fluid containers, e.g. bottles, cups, gas containers

Definitions

  • the invention relates to a cup return machine with a cup insertion space and a cup collecting space, such as e.g. known from FR-A-2 580 418.
  • Cup return machines are intended to create an incentive for used cups, in particular drinking cups, to be collected and disposed of in an orderly manner and, if appropriate, for waste recycling.
  • the fresh cups are issued for a deposit, which is refunded by the cup return machine when the used cup is thrown in.
  • the cup is equipped with a suitable identifier.
  • the used cup is accepted by the cup return machine or at least the deposit is returned only if it is actually a cup with such an identification and the identification has also been recognized as correct by the cup return machine.
  • FR-A-2 302 255 discloses a cup return container with a stacking shaft into which the cups are supposed to fall with the opening facing downwards, but this is not guaranteed.
  • the cup take-back machine which solves this problem according to the invention is characterized by a stacking shaft arranged above the cup collecting space with a receiving opening provided at the upper end of the shaft for the cups to be stacked in the stacking shaft and with a device for ejecting the formed stack of cups into the cup collecting space, and by one between the cup insertion space and the transfer chute provided for the transfer chute, which allows each cup received from the cup insertion space to enter the receiving opening of the stack chute only in the cup orientation enabling the cup stacking and with the cup opening facing downward.
  • the advantage achieved by the invention is that the cups do not fill the cup collecting space in a complete disorder and with a correspondingly large space requirement, but are stacked beforehand in a space-saving manner, so that there is an optimally small space requirement for a correspondingly large number of cups, the cup return machine has a very large collection capacity.
  • the stacking process is only possible if each cup has always been one Alignment that he will then have in the stack. This is ensured by the transfer device upstream of the stacking shaft, which according to the invention is also used to allow the cups to be stacked only upside down, that is to say with the cup opening turned downward, so that, for example, residual contents remaining in the cup can leak out and be collected.
  • the transfer device has a guide cylinder which receives the cup in a substantially axis-parallel orientation and is open at the top and bottom on the end face and which is at the top of a passage opening provided in the bottom of the cup insertion space connects the cup and opens at the bottom above the receiving opening of the stacking shaft, that the guide cylinder is also provided with a catch element which can be adjusted between two states in a controllable manner, holding the cup in the guide cylinder in one state and releasing it to fall through in the other state, and that the guide cylinder is equipped with a sensor for interrogating an identifier provided on the cup wall, the catch member and the sensor being arranged relative to one another such that only with one cup opening facing downwards m catch element in the cup held in the guide
  • each cup is initially held in the guide cylinder by the catch element until the sensor has checked the identifier. If the sensor determines the identifier, the cup has the correct orientation and is released by the catch element to fall into the stacking shaft. If, on the other hand, the sensor does not determine an identifier, the cup in the guide cylinder has the wrong orientation and must be rotated.
  • the catch member is arranged in the guide cylinder with respect to the passage opening in the bottom of the cup insertion space in such a way that a cup held by the catch element in the guide cylinder protrudes upward from the guide cylinder into the cup insert space. Then, in the case of incorrect alignment, the cup can be gripped by hand on its part projecting into the cup insertion space, removed from the guide cylinder, turned over and reinserted into the guide cylinder in the correct orientation.
  • the senor be formed by a reflection light barrier arranged outside the guide cylinder on a window provided in the cylinder jacket, with a detection area directed through the window into the interior of the guide cylinder, and by a signal processing circuit electrically connected to the reflection light barrier which detects the on the cup located and detected by the reflex light barrier evaluates and controls the catch element for cup release.
  • the sensor then not only serves to identify the cup orientation in the guide cylinder, but also to check whether the cup is at the same time has the correct identifier with regard to the return of the deposit.
  • the catch member in its state holding the cup in the guide cylinder forms a stop for the cup rim to prevent the cup from falling through the guide cylinder.
  • the catch member is a pin which can be adjusted in the direction of its axis by a controllable drive element, which extends in a diameter plane passing through the axis of the guide cylinder and in its state in which the cup is held in the guide cylinder adjusted the interior of the guide cylinder, in the state releasing the cup is pulled out of the interior.
  • a light barrier is arranged on the outside in the upper end region of the stacking shaft with a detection area directed into the interior of the stacking shaft, the output signals of the Structure of the cup stack detecting light barrier serve to control the device for ejecting the cup stack formed in the cup collecting space.
  • the evaluation itself is preferably carried out in a lateral direction from the stacking shaft, that is to say transversely to the shaft axis, because other emptying processes can easily result in obstructions and even malfunctions due to adhesions and incrustations that result from remnants of the contents of the cup.
  • a particularly preferred embodiment for such a lateral ejection of the cup stack is characterized in that the stacking shaft is formed by guiding elements which run in the longitudinal direction of the shaft, are arranged on the circumference of the shaft cross section and include the cups between them, and are adjustable relative to one another from their arrangement including the cups so that they move the stacking shaft to the side over at least half of the shaft circumference Open the stack of cups.
  • one of the guide elements is designed as a shell which is curved over at most half of the shaft circumference and is pivotably mounted about an axis running outside the shaft cross section in the longitudinal direction of the shaft , so that the shell, with respect to the plane that intersects it and passes through its swivel axis and through the axis of the stacking shaft, with the shell part lying on one side of this plane outwards from the shaft cross section and with that on the other side of the plane lying shell part swings into the shaft cross-section, the swiveling shell part ejecting the stack of cups laterally out of the stack shaft which is simultaneously opened by the swiveling shell part.
  • the pivot axis of the bowl is expediently close to the peripheral surface of the stacking shaft, which offers the advantage of short pivoting paths for the bowl when the stack of cups is ejected.
  • the other guide elements forming the stacking shaft apart from the shell are diametrically opposed guide rods. Otherwise, the arrangement is best made so that the shell by the force of a spring in the position enclosing the cup is held and a pull magnet is provided as a swivel drive, the tie rod being connected to the shell at its shell part pivoting out of the shaft cross-section.
  • the pull magnet is controlled by the light barrier already mentioned at the top of the stacking shaft.
  • the stacking shaft has a shaft bottom provided with at least one drain opening and that a collecting trough is provided in the cup collecting space under the stacking shaft for leaked cup contents. Leftover contents from the beakers can then run through the drain opening in the shaft floor into the drip pan.
  • the cup return machine 2 shown in FIGS. 1 to 3 has a cup insertion space 1, which can be closed to the outside by a sliding door 3.
  • a deposit is returned for a cup 5 which has been thrown in and which has been identified and accepted as correct by the cup take-back machine 2 on the basis of its identifier 4 (cf. FIG. 5); the deposit is contained in a money return device 11 indicated in FIG. 3 and can be removed from the return opening 6 (cf. FIG. 1).
  • a guide cylinder 8 receiving the cup 5, which is open at the top to the cup insertion space 1 and at the bottom.
  • a stacking shaft 9 is provided below the guide cylinder 8, in which the cups 5, which fall downward from the guide cylinder 8 through a guide ring 12 into the receiving opening 13 of the stacking shaft 9, are stacked into cup rods 5 "
  • the cup rod 5 " which can comprise approximately 40 cups, is ejected laterally from the stacking shaft 9 into a collecting space 10, in which, for example, a garbage bag 14 or the like can be stretched to accommodate the cup rods 5".
  • the guide cylinder 8 is part of a transfer device which allows each cup 5 received from the cup insertion space 1 to enter the receiving opening 13 of the stacking shaft 9 only in the cup orientation which enables stacking of the cups, with the cup opening 5 facing downwards.
  • the guide cylinder 8 is connected to a passage opening 15 for the cups 5 provided in the bottom 7 of the cup insertion space 1. It opens downwards via the intermediate guide ring 12 into the receiving opening 13 of the stacking shaft 9.
  • the guide cylinder 8 is provided with a catch element 16 which can be adjusted between two states in a controllable manner, namely between a state holding the cup 5 in the guide cylinder 8 according to FIG 5 and a state releasing the cup for falling through into the stacking shaft 9. In the first state, the catch member 16 forms a stop for the rim of the cup to prevent the cup 5 from falling through the guide cylinder 8.
  • the guide cylinder 8 is provided with a sensor, generally designated 17, which is used to query the identifier 4 provided on the cup wall.
  • the catch member 16 and the sensor 17 are arranged so that the sensor 17 can detect the identifier 4 only when the cup 5 is held by the catch member 16 in the upside down orientation required for stacking. If the cup 5 has this correct orientation, the corresponding query result from the sensor 17 is used To adjust catch member 16 in the state releasing the cup 5.
  • the catch member 16 is arranged in the guide cylinder 8 at such a height that a cup 5 held by the catch member 16 projects upwards somewhat from the guide cylinder 8 into the cup insertion space 1, at least to the extent that it is still by hand on the above part detected, taken out of the guide cylinder 8 upwards, rotated and then used in the correct orientation in the guide cylinder 8 if the query result of the sensor 17 signals the incorrect orientation of the cup 5 in the guide cylinder 8 and therefore no release of the cup to fall through the stacking shaft 9 takes place.
  • the senor 17 is a reflex light barrier 18, which is arranged outside the guide cylinder 8 on a window 19 provided in the cylinder jacket. The detection area of the reflex light barrier 18 is directed through this window 19 into the interior of the guide cylinder 8.
  • a signal processing circuit not shown in the drawing, connected to the reflex light barrier 18 evaluates the identifier 4 of the cup detected by the reflex light barrier 18 and controls the catch element 16 for the purpose of releasing the cup in accordance with the result of the evaluation.
  • the catch member 16 is a pin which is adjustable in the direction of its axis by a controllable drive element, in the exemplary embodiment a pull magnet 20, which runs in a diameter plane 22 going through the axis 21 of the guide cylinder 8 and in its state holding the cup 5 in the guide cylinder 8 in the state shown in FIG inner space of the guide cylinder 8 is adjusted, in which the cup 5 releasing state is pulled out of the interior. 4 and 5 in the direction of the cylinder axis 21 between the catch member 16 and the reflex light barrier 18 another, in the longitudinal direction by its own pull magnet 20 'adjustable pin 23 can be seen, which is used to read the cup 5 for the purpose of reading To tilt the identifier 4 in the manner shown in FIG.
  • a controllable drive element in the exemplary embodiment a pull magnet 20, which runs in a diameter plane 22 going through the axis 21 of the guide cylinder 8 and in its state holding the cup 5 in the guide cylinder 8 in the state shown in FIG inner space of the guide cylinder 8 is adjusted, in which
  • the reflective light barrier 18 can be provided with a protective screen 24, which is shown in FIG. 4 in its state covering the reflective light barrier 18 and can be adjusted for the purpose of the identification query by a further pull magnet 25 to release the reflective light barrier 18. Otherwise, there is the possibility of adjusting the reflex light barrier 18 in the axial direction of the guide cylinder 8 along a holder 26 in order to adjust the mutual association between the catching member 16 and the reflex light barrier 18 and thus to be able to adapt to different arrangements of the identifier 4 on the cup wall.
  • the output signal of the light barrier 27 serves to control the device for ejecting the stack of cups formed into the cup collecting space 10.
  • the stacking shaft 9 is located between an upper floor 28 and a lower floor 29, the receiving opening 13 being located in the upper floor 28 and the lower floor 29 also forming the floor 30 of the stacking shaft 9, in which a drain opening 31 is provided, through the remaining contents in the beakers 5 and can run off into a collecting trough 32 provided on the bottom of the beaker collecting container 10.
  • the upper floor 28 is shown partially broken away in FIGS. 8 and 9 in order to be able to better illustrate the processes taking place when the stack of cups is ejected.
  • the stacking shaft 9 is formed by guide elements 33, 34 which run in the longitudinal direction of the shaft between the two floors 28, 29 and are arranged on the circumference of the shaft cross section and which enclose the cups 5 between them when the stacking shaft 9 is closed.
  • these guide elements 33, 34 can be adjusted relative to one another from this arrangement including the cups 5 such that they open and release the stacking shaft 9 over at least half of the shaft circumference for the lateral ejection of the cup rod 5 ′′ of the shaft circumference curved shell 34.
  • This shell 34 is pivotally mounted about an axis 35 extending outside the shaft cross-section in the longitudinal direction of the shaft.
  • the pivot axis 35 of the shell 34 lies close to the peripheral surface of the stack shaft 9 so that there are short swiveling paths for the shell 34.
  • the stacking shaft 9 is closed in Fig. 7, about half in Fig. 8, and fully opened in Fig. 9.
  • the other guide members are diametrically opposed guide rods 33. Both these Guide rods 33 as well as the shell 34 and its pivot axis 35 are slightly inclined against the axis 37 of the stacking shaft 9, so that sic h the cross section of the stacking shaft 9 tapers slightly from top to bottom, as can be clearly seen in FIG. 6.
  • the shell 34 is held in the position enclosing the cup 5 by the force of a tension spring 39 suspended on the shell part 34 ′′.
  • a pull magnet 40 serves as a pivot drive, the tie rod 41 of which, via a clasp 42, is connected to the shell 34 by pivoting it out of the shaft cross section Shell part 34 '.
  • the closed position of the shell 34 is monitored by a limit switch 41 which carries a sensor 42 actuated by the shell 34 in its closed position.
  • the sensor is actuated by the part 34 "of the shell which swivels into the shaft cross section and on which the Tension spring 39 is attached.
  • the shell part 34 ′′ rests under the force of the tension spring 39 on a stop pin 43 arranged on an upper base 28.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Beverage Vending Machines With Cups, And Gas Or Electricity Vending Machines (AREA)
  • Stacking Of Articles And Auxiliary Devices (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Centrifugal Separators (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)

Abstract

PCT No. PCT/EP92/01794 Sec. 371 Date May 24, 1993 Sec. 102(e) Date May 24, 1993 PCT Filed Aug. 7, 1992 PCT Pub. No. WO93/03460 PCT Pub. Date Feb. 18, 1993.The cup return automat has a cup insertion chamber (1), a cup collection chamber (10) and a stacking shaft (9) arranged over the cup collection chamber for the cups to be stacked in the stacking shaft (9), with a device for ejecting the formed cup stack (5'') laterally into the cup collection chamber (10). In between the cup insertion chamber (1) and the stacking shaft (9) there is located a transfer device, which only allows any cup received in the cup insertion chamber (1) to pass into the stacking shaft (9) when in the cup orientation permitting the cup stacking and with the cup opening turned downwards.

Description

Die Erfindung betrifft einen Becherrücknahmeautomaten mit einem Bechereinwurfraum und einem Bechersammelraum, wie z.B. aus der FR-A-2 580 418 bekannt.The invention relates to a cup return machine with a cup insertion space and a cup collecting space, such as e.g. known from FR-A-2 580 418.

Becherrücknahmeautomaten sollen einen Anreiz dafür schaffen, daß benutzte Becher, insbesondere Trinkbecher, gesammelt und einer geordneten Abfall entsorgung und gegebenenfalls Abfallwiederverwertung zugeführt werden. Dazu werden die frischen Becher gegen ein Pfandgeld ausgegeben, das vom Becherrücknahmeautomaten bei Einwurf des benutzten Bechers erstattet wird. Um Mißbräuchen vorzubeugen, wird der Becher mit einer geeigneten Kennung ausgestattet. Die Annahme des benutzten Bechers durch den Becherrücknahmeautomaten oder zumindest die Pfandgeldrückgabe erfolgt dann nur, wenn es sich tatsächlich um einen Becher mit solcher Kennung handelt und die Kennung vom Becherrücknahmeautomaten auch als richtig erkannt worden ist. - Um ein solches Entsorgungssystem in der Praxis durchsetzen zu können, muß es einen möglichst einfachen und kostensparenden Aufbau bei gleichzeitig möglichst großer Sammelkapazität für die Becher besitzen, damit die Aufstellung solcher Automaten kostenmäßig erschwinglich und vertretbar ist und die Arbeiten für die Leerung und Wartung der Automaten nicht in zu häufigem Turnus durchgeführt werden müssen. - Einen diese Bedingungen erfüllenden Becherrücknahmeautomaten der eingangs genannten Art zu schaffen, liegt der Erfindung als Aufgabe zugrunde.Cup return machines are intended to create an incentive for used cups, in particular drinking cups, to be collected and disposed of in an orderly manner and, if appropriate, for waste recycling. For this purpose, the fresh cups are issued for a deposit, which is refunded by the cup return machine when the used cup is thrown in. In order to prevent misuse, the cup is equipped with a suitable identifier. The used cup is accepted by the cup return machine or at least the deposit is returned only if it is actually a cup with such an identification and the identification has also been recognized as correct by the cup return machine. - In order to be able to implement such a disposal system in practice, it is as simple and cost-saving as possible with a large collection capacity for the cups at the same time, so that the installation of such machines is affordable and justifiable and the work for emptying and maintaining the machines does not have to be carried out too frequently. The task of the invention is to create a cup recovery machine of the type mentioned at the beginning which fulfills these conditions.

Die FR-A-2 302 255 offenbart einen Becherrücknahmebehälter mit Stapelschacht, in den die Becher mit nach unten gekehrter Öffnung fallen sollen, was aber nicht gewährleistet ist.FR-A-2 302 255 discloses a cup return container with a stacking shaft into which the cups are supposed to fall with the opening facing downwards, but this is not guaranteed.

Der nach der Erfindung diese Aufgabe lösende Becherrücknahmeautomat ist gekennzeichnet durch einen über dem Bechersammelraum angeordneten Stapelschacht mit einer am oberen Schachtende vorgesehenen Aufnahmeöffnung für die im Stapelschacht zu stapelnden Becher und mit einer Einrichtung zum Auswerfen des gebildeten Becherstapels in den Bechersammelraum, und durch eine zwischen dem Bechereinwurfraum und dem Stapelschacht vorgesehene Überführungseinrichtung, die jeden aus dem Bechereinwurfraum aufgenommenen Becher nur in der die Becherstapelung ermöglichenden Becherausrichtung und mit nach unten gekehrter Becheröffnung in die Aufnahmeöffnung des Stapelschachts gelangen läßt.The cup take-back machine which solves this problem according to the invention is characterized by a stacking shaft arranged above the cup collecting space with a receiving opening provided at the upper end of the shaft for the cups to be stacked in the stacking shaft and with a device for ejecting the formed stack of cups into the cup collecting space, and by one between the cup insertion space and the transfer chute provided for the transfer chute, which allows each cup received from the cup insertion space to enter the receiving opening of the stack chute only in the cup orientation enabling the cup stacking and with the cup opening facing downward.

Der durch die Erfindung erreichte Vorteil besteht darin, daß die Becher nicht in gänzlicher Unordnung und unter dann entsprechend großem Raumbedarf den Bechersammelraum füllen, sondern vorher platzsparend gestapelt werden, so daß sich ein optimal geringer Raumbedarf für eine entsprechend große Anzahl von Bechern ergibt, der Becherrücknahmeautomat also eine sehr große Sammelkapazität besitzt. Der Stapelvorgang ist allerdings nur möglich, wenn jeder Becher zuvor schon immer diejenige Ausrichtung erhält, die er anschließend im Stapel besitzen wird. Hierfür sorgt die dem Stapelschacht vorgeschaltete überführungseinrichtung, die erfindungsgemäß auch dazu Verwendung findet, die Becher nur auf dem Kopf stehend, also mit nach unten gekehrter Becheröffnung, zur Stapelung zuzulassen, so daß etwa noch im Becher zurückgebliebene Inhaltsreste auslaufen und aufgefangen werden können.The advantage achieved by the invention is that the cups do not fill the cup collecting space in a complete disorder and with a correspondingly large space requirement, but are stacked beforehand in a space-saving manner, so that there is an optimally small space requirement for a correspondingly large number of cups, the cup return machine has a very large collection capacity. However, the stacking process is only possible if each cup has always been one Alignment that he will then have in the stack. This is ensured by the transfer device upstream of the stacking shaft, which according to the invention is also used to allow the cups to be stacked only upside down, that is to say with the cup opening turned downward, so that, for example, residual contents remaining in the cup can leak out and be collected.

Die für den Stapelvorgang notwendige vorhergehende Ausrichtung der Becher läßt sich dann auf besonders einfache Weise verwirklichen, wenn dafür der Umstand genutzt wird, daß die Becher zum Zweck der schon erwähnten Pfandgeldrückgabe mit einer Kennung versehen sind. Eine davon Gebrauch machende und daher besonders einfache und bevorzugte Ausführungsform der Erfindung ist dadurch gekennzeichnet, daß die Überführungseinrichtung einen den Becher in im wesentlichen achsenparalleler Ausrichtung aufnehmenden, nach oben und unten stirnseitig offenen Führungszylinder aufweist, der oben an eine im Boden des Bechereinwurfraums vorgesehene Durchtrittsöffnung für den Becher anschließt und unten über der Aufnahmeöffnung des Stapelschachts mündet, daß ferner der Führungszylinder mit einem Fangglied versehen ist, das in steuerbarer Weise zwischen zwei Zuständen verstellbar ist, wobei es im einen Zustand den Becher im Führungszylinder festhält und im anderen Zustand zum Durchfallen freigibt, und daß der Führungszylinder mit einem Fühler zur Abfrage einer an der Becherwand vorgesehenen Kennung ausgestattet ist, wobei das Fangglied und der Fühler so relativ zueinander angeordnet sind, daß nur bei einem mit nach unten gekehrter Becheröffnung vom Fangglied im Führungszylinder festgehaltenen Becher die Kennung vom Fühler erfaßbar ist, und wobei das Abfrageergebnis des Fühlers das Fangglied bezüglich der Becherfreigabe steuert. Jeder Becher wird im Ergebnis zunächst vom Fangglied im Führungszylinder festgehalten, bis der Fühler die Kennung geprüft hat. Ermittelt der Fühler die Kennung, hat der Becher die richtige Ausrichtung und wird vom Fangglied zum Durchfallen in den Stapelschacht freigegeben. Ermittelt dagegen der Fühler keine Kennung, so hat der Becher im Führungszylinder die falsche Ausrichtung und muß gedreht werden. Dies kann am einfachsten von Hand erfolgen, wenn nach einem weiteren Vorschlag der Erfindung das Fangglied in Bezug auf die Durchtrittsöffnung im Boden des Bechereinwurfsraums so im Führungszylinder angeordnet ist, daß ein vom Fangglied im Führungszylinder festgehaltener Becher nach oben aus dem Führungszylinder in den Bechereinwurfraum vorsteht. Dann kann der Becher bei falscher Ausrichtung an seinem noch in den Bechereinwurfraum vorstehenden Teil von Hand erfaßt, aus dem Führungszylinder herausgenommen, umgedreht und erneut in nunmehr richtiger Ausrichtung in den Führungszylinder eingesetzt werden.The previous alignment of the cups necessary for the stacking process can then be achieved in a particularly simple manner if the fact is used that the cups are provided with an identifier for the purpose of returning the deposit. A use of it and therefore particularly simple and preferred embodiment of the invention is characterized in that the transfer device has a guide cylinder which receives the cup in a substantially axis-parallel orientation and is open at the top and bottom on the end face and which is at the top of a passage opening provided in the bottom of the cup insertion space connects the cup and opens at the bottom above the receiving opening of the stacking shaft, that the guide cylinder is also provided with a catch element which can be adjusted between two states in a controllable manner, holding the cup in the guide cylinder in one state and releasing it to fall through in the other state, and that the guide cylinder is equipped with a sensor for interrogating an identifier provided on the cup wall, the catch member and the sensor being arranged relative to one another such that only with one cup opening facing downwards m catch element in the cup held in the guide cylinder, the identifier can be detected by the sensor, and the query result of the sensor is the catch element controls regarding the cup release. As a result, each cup is initially held in the guide cylinder by the catch element until the sensor has checked the identifier. If the sensor determines the identifier, the cup has the correct orientation and is released by the catch element to fall into the stacking shaft. If, on the other hand, the sensor does not determine an identifier, the cup in the guide cylinder has the wrong orientation and must be rotated. This can be done most easily by hand if, according to a further proposal of the invention, the catch member is arranged in the guide cylinder with respect to the passage opening in the bottom of the cup insertion space in such a way that a cup held by the catch element in the guide cylinder protrudes upward from the guide cylinder into the cup insert space. Then, in the case of incorrect alignment, the cup can be gripped by hand on its part projecting into the cup insertion space, removed from the guide cylinder, turned over and reinserted into the guide cylinder in the correct orientation.

Im einzelnen empfiehlt es sich, daß der Fühler von einer außerhalb des Führungszylinders an einem im Zylindermantel vorgesehenen Fenster angeordneten Reflexlichtschranke mit durch das Fenster in den Innenraum des Führungszylinders gerichtetem Erfassungsbereich und von einer elektrisch an die Reflexlichtschranke angeschlossenen Signalverarbeitungsschaltung gebildet ist, welche die auf dem Becher befindliche und von der Reflexlichtschranke erfaßte Kennung auswertet und das Fangglied zur Becherfreigabe steuert. Der Fühler dient dann nicht nur zur Erkennung der Becherausrichtung im Führungszylinder, sondern gleichzeitig auch zur Überprüfung, ob der Becher die im Hinblick auf die Pfandgeldrückgabe richtige Kennung trägt. Zweckmäßigerweise bildet das Fangglied in seinem dem Becher im Führungszylinder festhaltenden Zustand einen das Durchfallen des Bechers durch den Führungszylinder verhindernden Anschlag für den Becherrand. In konstruktiver Hinsicht empfiehlt es sich, die Anordnung so zu treffen, daß das Fangglied ein in Richtung seiner Achse durch ein steuerbares Antriebsorgan verstellbarer Stift ist, der in einer durch die Achse des Führungszylinders gehenden Durchmesserebene verläuft und in seinem den Becher im Führungszylinder festhaltenden Zustand in den Innenraum des Führungszylinders hinein verstellt, in dem den Becher freigebenden Zustand aus dem Innenraum herausgezogen ist.Specifically, it is recommended that the sensor be formed by a reflection light barrier arranged outside the guide cylinder on a window provided in the cylinder jacket, with a detection area directed through the window into the interior of the guide cylinder, and by a signal processing circuit electrically connected to the reflection light barrier which detects the on the cup located and detected by the reflex light barrier evaluates and controls the catch element for cup release. The sensor then not only serves to identify the cup orientation in the guide cylinder, but also to check whether the cup is at the same time has the correct identifier with regard to the return of the deposit. Appropriately, the catch member in its state holding the cup in the guide cylinder forms a stop for the cup rim to prevent the cup from falling through the guide cylinder. From a design point of view, it is advisable to make the arrangement in such a way that the catch member is a pin which can be adjusted in the direction of its axis by a controllable drive element, which extends in a diameter plane passing through the axis of the guide cylinder and in its state in which the cup is held in the guide cylinder adjusted the interior of the guide cylinder, in the state releasing the cup is pulled out of the interior.

Damit der Stapelschacht rechtzeitig in den Bechersammelraum entleert wird, wenn sich der Becherstapel im Stapelschacht zu seiner größtmöglichen Höhe aufgebaut hat, ist in bevorzugter Ausführungsform im oberen Endbereich des Stapelschachtes außenseitig eine Lichtschranke mit in den Innenraum des Stapelschachtes gerichtetem Erfassungsbereich angeordnet, wobei die Ausgangssignale der den Aufbau des Becherstapels erfassenden Lichtschranke dazu dienen, die Einrichtung zum Auswerfen des gebildeten Becherstapels in den Bechersammelraum zu steuern. Das Auswerten selbst geschieht vorzugsweise in seitlicher Richtung aus dem Stapelschacht, also quer zur Schachtachse, weil sich bei anderem Entleervorgang leicht Behinderungen und sogar Betriebsstörungen durch Verklebungen und Verkrustungen ergeben können, die von Resten des Becherinhalts herrühren. Eine für ein solches seitliches Auswerfen des Becherstapels besonders bevorzugte Ausführungsform ist dadurch gekennzeichnet, daß der Stapelschacht von in Schachtlängsrichtung verlaufenden, am Umfang des Schachtquerschnitts angeordneten und zwischen sich die Becher einschließenden Leitorganen gebildet ist, die aus ihrer die Becher einschließenden Anordnung so gegeneinander verstellbar sind, daß sie den Stapelschacht über wenigstens die Hälfte des Schachtumfangs zum seitlichen Auswerfen des Becherstapels öffnen. Eine in konstruktiver wie auch funktioneller Hinsicht insoweit besonders vorteilhafte Ausführungsform ist in weiterer Ausbildung der Erfindung dadurch gekennzeichnet, daß eines der Leitorgane als eine über höchstens die Hälfte des Schachtumfangs gebogene Schale ausgebildet ist, die um eine außerhalb des Schachtquerschnitts in Schachtlängsrichtung verlaufende Achse schwenkbar gelagert ist, so daß die Schale, bezogen auf die sie schneidende und durch ihre Schwenkachse sowie durch die Achse des Stapelschachts gehende Ebene, mit dem auf der einen Seite dieser Ebene liegenden Schalenteil nach außen aus dem Schachtquerschnitt heraus- und mit dem auf der anderen Seite der Ebene liegenden Schalenteil in den Schachtquerschnitt hineinschwenkt, wobei der hineinschwenkende Schalenteil den Becherstapel seitlich aus dem gleichzeitig vom herausschwenkenden Schalenteil geöffneten Stapelschacht auswirft. Zweckmäßigerweise liegt die Schwenkachse der Schale dicht an der Umfangsfläche des Stapelschachts, was den Vorteil geringer Schwenkwege für die Schale beim Auswerfen des Becherstapels bietet. Die außer der Schale den Stapelschacht bildenden anderen Leitorgane sind in einfachster und zweckdienlichster Ausführungsform der Schale diametral gegenüberstehende Führungsstäbe. Im übrigen wird die Anordnung am besten so getroffen, daß die Schale durch die Kraft einer Feder in der die Becher einschließenden Stellung gehalten und als Schwenkantrieb ein Zugmagnet vorgesehen ist, dessen Zuganker in Zugverbindung mit der Schale an ihrem aus dem Schachtquerschnitt herausschwenkenden Schalenteil steht. Der Zugmagnet wird von der schon erwähnten Lichtschranke am oberen Ende des Stapelschachts gesteuert.So that the stacking shaft is emptied into the cup collecting space in good time when the stack of cups has built up to its greatest possible height in the stacking shaft, in a preferred embodiment, a light barrier is arranged on the outside in the upper end region of the stacking shaft with a detection area directed into the interior of the stacking shaft, the output signals of the Structure of the cup stack detecting light barrier serve to control the device for ejecting the cup stack formed in the cup collecting space. The evaluation itself is preferably carried out in a lateral direction from the stacking shaft, that is to say transversely to the shaft axis, because other emptying processes can easily result in obstructions and even malfunctions due to adhesions and incrustations that result from remnants of the contents of the cup. A particularly preferred embodiment for such a lateral ejection of the cup stack is characterized in that the stacking shaft is formed by guiding elements which run in the longitudinal direction of the shaft, are arranged on the circumference of the shaft cross section and include the cups between them, and are adjustable relative to one another from their arrangement including the cups so that they move the stacking shaft to the side over at least half of the shaft circumference Open the stack of cups. An embodiment which is particularly advantageous in terms of construction and function is characterized in a further embodiment of the invention in that one of the guide elements is designed as a shell which is curved over at most half of the shaft circumference and is pivotably mounted about an axis running outside the shaft cross section in the longitudinal direction of the shaft , so that the shell, with respect to the plane that intersects it and passes through its swivel axis and through the axis of the stacking shaft, with the shell part lying on one side of this plane outwards from the shaft cross section and with that on the other side of the plane lying shell part swings into the shaft cross-section, the swiveling shell part ejecting the stack of cups laterally out of the stack shaft which is simultaneously opened by the swiveling shell part. The pivot axis of the bowl is expediently close to the peripheral surface of the stacking shaft, which offers the advantage of short pivoting paths for the bowl when the stack of cups is ejected. In the simplest and most practical embodiment of the shell, the other guide elements forming the stacking shaft apart from the shell are diametrically opposed guide rods. Otherwise, the arrangement is best made so that the shell by the force of a spring in the position enclosing the cup is held and a pull magnet is provided as a swivel drive, the tie rod being connected to the shell at its shell part pivoting out of the shaft cross-section. The pull magnet is controlled by the light barrier already mentioned at the top of the stacking shaft.

Schließlich empfiehlt es sich, daß der Stapelschacht einen mit mindestens einer Ablauföffnung versehenen Schachtboden aufweist und im Bechersammelraum unter dem Stapelschacht eine Auffangwanne für ausgelaufenen Becherinhalt vorgesehen ist. Inhaltsreste aus den Bechern können dann durch die Ablauföffnung im Schachtboden in die Auffangwanne laufen.Finally, it is recommended that the stacking shaft has a shaft bottom provided with at least one drain opening and that a collecting trough is provided in the cup collecting space under the stacking shaft for leaked cup contents. Leftover contents from the beakers can then run through the drain opening in the shaft floor into the drip pan.

Im folgenden wird die Erfindung an einem in der Zeichnung dargestellten Ausführungsbeispiel näher erläutert; es zeigen:

Fig. 1
eine Vorderansicht eines Becherrücknahmeautomaten,
Fig. 2
den Schnitt II-II in Fig. 1,
Fig. 3
die Ansicht des Becherrücknahmeautomaten nach den Fig. 1 und 2 in Richtung des in Fig. 2 eingetragenen Pfeiles X bei abgenommener Fronttür,
Fig. 4
den Schnitt IV-IV in Fig. 3,
Fig. 5
den Schnitt V-V in Fig. 4,
Fig. 6
eine Ansicht des Stapelschachtes des Becherrücknahmeautomaten in Richtung des in Fig. 2 eingetragenen Pfeiles X,
Fig. 7
die Draufsicht auf den Stapelschacht gemäß VII-VII in Fig. 6, und zwar in geschlossenem Zustand des Stapelschachtes,
Fig. 8
den Gegenstand der Fig. 7 mit einer teilweise weggebrochenen Wand in teilweise geöffnetem Zustand des Stapelschachts,
Fig. 9
den Gegenstand der Fig. 8 im Zustand der vollständigen öffnung des Stapelschachts.
In the following the invention is explained in more detail using an exemplary embodiment shown in the drawing; show it:
Fig. 1
a front view of a cup return machine,
Fig. 2
the section II-II in Fig. 1,
Fig. 3
1 and 2 in the direction of arrow X entered in FIG. 2 with the front door removed,
Fig. 4
the section IV-IV in Fig. 3,
Fig. 5
the section VV in Fig. 4,
Fig. 6
2 shows a view of the stacking shaft of the cup take-back machine in the direction of the arrow X entered in FIG. 2,
Fig. 7
the top view of the stacking shaft according to VII-VII in Fig. 6, in the closed state of the stacking shaft,
Fig. 8
7 with a partially broken wall in the partially open state of the stacking shaft,
Fig. 9
8 in the state of the complete opening of the stacking shaft.

Der in den Fig. 1 bis 3 dargestellte Becherrücknahmeautomat 2 besitzt einen Bechereinwurfraum 1, der durch eine Schiebetür 3 nach außen verschließbar ist. Für einen eingeworfenen und aufgrund seiner Kennung 4 (vgl. Fig. 5) vom Becherrücknahmeautomaten 2 als richtig erkannten und angenommenen Becher 5 erfolgt eine Pfandgeldrückgabe; das Pfandgeld ist in einem in Fig. 3 angedeuteten Geldrückgabegerät 11 enthalten und kann der Rückgabeöffnung 6 (vgl. Fig. 1) entnommen werden. An den Boden 7 des Bechereinwurfraums 1 schließt sich ein den Becher 5 aufnehmender Führungszylinder 8 an, der nach oben zum Bechereinwurfraum 1 und nach unten hin offen ist. Unterhalb des Führungszylinders 8 ist ein Stapelschacht 9 vorgesehen, in dem die Becher 5, die aus dem Führungszylinder 8 nach unten durch einen Leitring 12 in die Aufnahmeöffnung 13 des Stapelschachtes 9 hineinfallen, zu Becherstangen 5" gestapelt werden. Ist der Stapelschacht 9 gefüllt, wird die Becherstange 5", die etwa 40 Becher umfassen kann, seitlich aus dem Stapelschacht 9 in einen Sammelraum 10 ausgestoßen, in dem beispielsweise ein Müllsack 14 oder dergl. aufgespannt sein kann, um die Becherstangen 5" aufzunehmen. Der Führungszylinder 8 ist Teil einer Überführungseinrichtung, die jeden aus dem Bechereinwurfraum 1 aufgenommenen Becher 5 nur in der die Becherstapelung ermöglichenden Becherausrichtung, und zwar mit nach unten gekehrter Becheröffnung 5, in die Aufnahmeöffnung 13 des Stapelschachts 9 gelangen läßt. Nach oben ist der Führungszylinder 8 an eine im Boden 7 des Bechereinwurfraums 1 vorgesehene Durchtrittsöffnung 15 für die Becher 5 angeschlossen. Nach unten mündet er über den zwischengeschaltenen Leitring 12 in die Aufnahmeöffnung 13 des Stapelschachts 9. Der Führungszylinder 8 ist mit einem Fangglied 16 versehen, das in steuerbarer Weise zwischen zwei Zuständen verstellbar ist, nämlich zwischen einem den Becher 5 im Führungszylinder 8 festhaltenden Zustand gemäß Fig. 5 und einem den Becher zum Durchfallen in den Stapelschacht 9 freigebenden Zustand. Im ersten Zustand bildet das Fangglied 16 einen das Durchfallen des Bechers 5 durch den Führungszylinder 8 verhindernden Anschlag für den Becherrand. Weiter ist der Führungszylinder 8 mit einem allgemein mit 17 bezeichneten Fühler versehen, der zur Abfrage der an der Becherwand vorgesehenen Kennung 4 dient. Das Fangglied 16 und der Fühler 17 sind so zueinander angeordnet, daß der Fühler 17 die Kennung 4 nur dann erfassen kann, wenn der Becher 5 vom Fangglied 16 in der zum Stapeln erforderlichen, auf dem Kopf stehenden Ausrichtung festgehalten ist. Besitzt der Becher 5 diese richtige Ausrichtung, dient das entsprechende Abfrageergebnis des Fühlers 17 dazu, das Fangglied 16 in den den Becher 5 freigebenden Zustand zu verstellen. Im übrigen ist das Fangglied 16 im Führungszylinder 8 in solcher Höhe angeordnet, daß ein vom Fangglied 16 festgehaltener Becher 5 nach oben noch etwas aus dem Führungszylinder 8 in den Bechereinwurfraum 1 vorsteht, und zwar wenigstens soweit, daß der er am vorstehenden Teil noch von Hand erfaßt, aus dem Führungszylinder 8 nach oben herausgenommen, gedreht und erneut in dann richtiger Ausrichtung in den Führungszylinder 8 eingesetzt werden kann, wenn das Abfrageergebnis des Fühlers 17 die falsche Ausrichtung des Bechers 5 im Führungszylinder 8 signalisiert und daher keine Freigabe des Bechers zum Durchfallen in den Stapelschacht 9 erfolgt.The cup return machine 2 shown in FIGS. 1 to 3 has a cup insertion space 1, which can be closed to the outside by a sliding door 3. A deposit is returned for a cup 5 which has been thrown in and which has been identified and accepted as correct by the cup take-back machine 2 on the basis of its identifier 4 (cf. FIG. 5); the deposit is contained in a money return device 11 indicated in FIG. 3 and can be removed from the return opening 6 (cf. FIG. 1). At the bottom 7 of the cup insertion space 1 there is a guide cylinder 8 receiving the cup 5, which is open at the top to the cup insertion space 1 and at the bottom. A stacking shaft 9 is provided below the guide cylinder 8, in which the cups 5, which fall downward from the guide cylinder 8 through a guide ring 12 into the receiving opening 13 of the stacking shaft 9, are stacked into cup rods 5 " Stacking shaft 9 filled, the cup rod 5 ", which can comprise approximately 40 cups, is ejected laterally from the stacking shaft 9 into a collecting space 10, in which, for example, a garbage bag 14 or the like can be stretched to accommodate the cup rods 5". The guide cylinder 8 is part of a transfer device which allows each cup 5 received from the cup insertion space 1 to enter the receiving opening 13 of the stacking shaft 9 only in the cup orientation which enables stacking of the cups, with the cup opening 5 facing downwards. At the top, the guide cylinder 8 is connected to a passage opening 15 for the cups 5 provided in the bottom 7 of the cup insertion space 1. It opens downwards via the intermediate guide ring 12 into the receiving opening 13 of the stacking shaft 9. The guide cylinder 8 is provided with a catch element 16 which can be adjusted between two states in a controllable manner, namely between a state holding the cup 5 in the guide cylinder 8 according to FIG 5 and a state releasing the cup for falling through into the stacking shaft 9. In the first state, the catch member 16 forms a stop for the rim of the cup to prevent the cup 5 from falling through the guide cylinder 8. Furthermore, the guide cylinder 8 is provided with a sensor, generally designated 17, which is used to query the identifier 4 provided on the cup wall. The catch member 16 and the sensor 17 are arranged so that the sensor 17 can detect the identifier 4 only when the cup 5 is held by the catch member 16 in the upside down orientation required for stacking. If the cup 5 has this correct orientation, the corresponding query result from the sensor 17 is used To adjust catch member 16 in the state releasing the cup 5. In addition, the catch member 16 is arranged in the guide cylinder 8 at such a height that a cup 5 held by the catch member 16 projects upwards somewhat from the guide cylinder 8 into the cup insertion space 1, at least to the extent that it is still by hand on the above part detected, taken out of the guide cylinder 8 upwards, rotated and then used in the correct orientation in the guide cylinder 8 if the query result of the sensor 17 signals the incorrect orientation of the cup 5 in the guide cylinder 8 and therefore no release of the cup to fall through the stacking shaft 9 takes place.

Der Fühler 17 ist im Ausführungsbeispiel eine Reflexlichtschranke 18, die außerhalb des Führungszylinders 8 an einem im Zylindermantel vorgsehenen Fenster 19 angeordnet ist. Der Erfassungsbereich der Reflexlichtschranke 18 ist durch dieses Fenster 19 hindurch in den Innenraum des Führungszylinders 8 gerichtet. Eine an die Reflexlichtschranke 18 angeschlossene, in der Zeichnung nicht dargestellte Signalverarbeitungsschaltung wertet die von der Reflexlichtschranke 18 erfaßte Kennung 4 des Bechers aus und steuert entsprechend dem Ergebnis der Auswertung das Fangglied 16 zum Zweck der Becherfreigabe. Das Fangglied 16 ist eine in Richtung seiner Achse durch ein steuerbares Antriebsorgan, im Ausführungsbeispiel ein Zugmagnet 20, verstellbarer Stift, der in einer durch die Achse 21 des Führungszylinders 8 gehenden Durchmesserebene 22 verläuft und in seinem den Becher 5 im Führungszylinder 8 festhaltenden Zustand in den Innenraum des Führungszylinders 8 hinein verstellt, in dem den Becher 5 freigebenden Zustand aus dem Innenraum herausgezogen ist. In den Fig. 4 und 5 ist in Richtung der Zylinderachse 21 zwischen dem Fangglied 16 und der Reflexlichtschranke 18 ein weiterer, in seiner Längsrichtung durch einen eigenen Zugmagneten 20' verstellbarer Stift 23 erkennbar, der dazu dient, den Becher 5 zum Zweck der Ablesung der Kennung 4 in der aus Fig. 5 ersichtlichen Weise gegen das Fenster 19 zu kippen, um die die Kennung 4 tragende Becherwand der Reflexlichtschranke 18 möglichst dicht anzunähern, so daß eine sichere Kennungserfassung gewährleistet ist. Die Reflexlichtschranke 18 kann mit einer Schutzblende 24 versehen sein, die in Fig. 4 in ihrem die Reflexlichtschranke 18 abdeckenden Zustand dargestellt ist und zum Zweck der Kennungsabfrage durch einen weiteren Zugmagneten 25 zur Freigabe der Reflexlichtschranke 18 verstellt werden kann. Im übrigen besteht die Möglichkeit, die Reflexlichtschranke 18 in axialer Richtung des Führungszylinders 8 längs eines Halters 26 zu verstellen, um die gegenseitige Zuordnung zwischen dem Fangglied 16 und der Reflexlichtschranke 18 verstellen und damit verschiedenen Anordnungen der Kennung 4 auf der Becherwand anpassen zu können.In the exemplary embodiment, the sensor 17 is a reflex light barrier 18, which is arranged outside the guide cylinder 8 on a window 19 provided in the cylinder jacket. The detection area of the reflex light barrier 18 is directed through this window 19 into the interior of the guide cylinder 8. A signal processing circuit, not shown in the drawing, connected to the reflex light barrier 18 evaluates the identifier 4 of the cup detected by the reflex light barrier 18 and controls the catch element 16 for the purpose of releasing the cup in accordance with the result of the evaluation. The catch member 16 is a pin which is adjustable in the direction of its axis by a controllable drive element, in the exemplary embodiment a pull magnet 20, which runs in a diameter plane 22 going through the axis 21 of the guide cylinder 8 and in its state holding the cup 5 in the guide cylinder 8 in the state shown in FIG inner space of the guide cylinder 8 is adjusted, in which the cup 5 releasing state is pulled out of the interior. 4 and 5 in the direction of the cylinder axis 21 between the catch member 16 and the reflex light barrier 18 another, in the longitudinal direction by its own pull magnet 20 'adjustable pin 23 can be seen, which is used to read the cup 5 for the purpose of reading To tilt the identifier 4 in the manner shown in FIG. 5 against the window 19 in order to bring the cup wall bearing the identifier 4 closer to the reflex light barrier 18 as closely as possible, so that a reliable identifier detection is ensured. The reflective light barrier 18 can be provided with a protective screen 24, which is shown in FIG. 4 in its state covering the reflective light barrier 18 and can be adjusted for the purpose of the identification query by a further pull magnet 25 to release the reflective light barrier 18. Otherwise, there is the possibility of adjusting the reflex light barrier 18 in the axial direction of the guide cylinder 8 along a holder 26 in order to adjust the mutual association between the catching member 16 and the reflex light barrier 18 and thus to be able to adapt to different arrangements of the identifier 4 on the cup wall.

Im oberen Endbereich des Stapelschachtes 9 befindet sich außenseitig eine Lichtschranke 27, deren Erfassungsbereich in den Innenraum des Stapelschachts 9 hinein gerichtet ist. Diese Lichtschranke 27 zeigt nicht nur an, daß ein Becher beim Hineinfallen in den Stapelschacht 9 die Lichtschranke 27 passiert hat, sondern - wenn die Signalabgabe längere Zeit erhalten bleibt, - daß der Stapelschacht 9 bis oben hin gefüllt, die Becherstange 5" sich also bis zur vollen Höhe aufgebaut hat. In diesem Fall dient das Ausgangssignal der Lichtschranke 27 dazu, die Einrichtung zum Auswerfen des gebildeten Becherstapels in den Bechersammelraum 10 zu steuern. Im einzelnen befindet sich der Stapelschacht 9 zwischen einem oberen Boden 28 und einem unteren Boden 29, wobei sich im oberen Boden 28 die Aufnahmeöffnung 13 befindet und der untere Boden 29 zugleich den Boden 30 des Stapelschachtes 9 bildet, in dem eine Ablauföffnung 31 vorgesehen ist, durch die in den Bechern 5 noch vorhanden gewesene Inhaltsreste ab- und in eine auf dem Boden des Bechersammelbehälters 10 vorgesehene Auffangwanne 32 auslaufen können. Der obere Boden 28 ist in den Fig. 8 und 9 teilweise weggebrochen dargestellt, um die beim Auswerfen des Becherstapels ablaufenden Vorgänge zeichnerisch besser darstellen zu können. Der Stapelschacht 9 ist von in Schachtlängsrichtung zwischen den beiden Böden 28, 29 verlaufenden und am Umfang des Schachtquerschnitts angeordneten Leitorganen 33, 34 gebildet, die bei geschlossenem Stapelschacht 9 die Becher 5 zwischen sich einschließen. Diese Leitorgane 33, 34 sind aber aus dieser die Becher 5 einschließenden Anordnung so gegeneinander verstellbar, daß sie den Stapelschacht 9 über wenigstens die Hälfte des Schachtumfangs zum seitlichen Auswerfen der Becherstange 5" öffnen und freigeben. Dazu ist eines der Leitorgane als eine über die Hälfte des Schachtumfangs gebogene Schale 34 ausgebildet. Diese Schale 34 ist um eine außerhalb des Schachtquerschnitts in Schachtlängsrichtung verlaufende Achse 35 schwenkbar gelagert. Bezogen auf die Ebene 36, welche die Schale 34 schneidet und durch die Schwenkachse 35 sowie durch die Achse 37 des Stapelschachtes 9 geht, schwenkt daher die Schale 34 mit dem auf der einen Seite, in den Fig. 7 bis 9 links dieser Ebene liegenden Schalenteil 34' nach außen aus dem Schachtquerschnitt heraus und mit dem anderen, in den Fig. 7 bis 9 rechts der Ebene 36 liegenden Schalenteil 34" in den Schachtquerschnitt hinein, wie es die Fig. 8 und 9 zeigen. Bei diesem Verschwenken wirft der in den Schachtquerschnitt hineinschwenkende Schalenteil 34" die Becherstange 5" seitlich in Richtung des Pfeiles 38 aus dem sich gleichzeitig dabei vom herausschwenkenden Schalenteil 34' geöffneten Stapelschacht 9 aus. Die Schwenkachse 35 der Schale 34 liegt dabei dicht an der Umfangsfläche des Stapelschachtes 9, so daß sich kurze Schwenkwege für die Schale 34 ergeben. In Fig. 7 ist der Stapelschacht 9 geschlossen, in Fig. 8 etwa halb, in Fig. 9 vollständig geöffnet. Die anderen Leitorgane sind der Schale 34 diametral gegenüberstehende Führungsstäbe 33. Sowohl diese Führungsstäbe 33 wie auch die Schale 34 und ihre Schwenkachse 35 sind gegen die Achse 37 des Stapelschachtes 9 leicht geneigt, so daß sich der Querschnitt des Stapelschachtes 9 von oben nach unten geringfügig verjüngt, wie dies in Fig. 6 deutlich zu erkennen ist. Die Schale 34 wird durch die Kraft einer am Schalenteil 34" eingehängten Zugfeder 39 in der die Becher 5 einschließenden Stellung gehalten. Als Schwenkantrieb dient ein Zugmagnet 40, dessen Zuganker 41 über eine Spange 42 in Zugverbindung mit der Schale 34 an deren aus dem Schachtquerschnitt herausschwenkenden Schalenteil 34' steht. Die Schließstellung der Schale 34 wird durch einen Endschalter 41 überwacht, der einen von der Schale 34 in ihrer Schließstellung betätigten Fühler 42 trägt. Die Fühlerbetätigung erfolgt durch den in den Schachtquerschnitt hineinschwenkenden Teil 34" der Schale, an dem auch die Zugfeder 39 eingehängt ist. In der Schließstellung der Schale 34 liegt der Schalenteil 34" unter der Kraft der Zugfeder 39 einem oberen Boden 28 angeordneten Anschlagstift 43 an.In the upper end area of the stacking shaft 9 there is a light barrier 27 on the outside, the detection area of which is directed into the interior of the stacking shaft 9. This light barrier 27 not only indicates that a cup has passed the light barrier 27 when it falls into the stacking shaft 9, but - if the signal output remains for a long time - that the stacking shaft 9 is filled to the top, the cup rod 5 " has built up to the full height. In this case, the output signal of the light barrier 27 serves to control the device for ejecting the stack of cups formed into the cup collecting space 10. In particular, the stacking shaft 9 is located between an upper floor 28 and a lower floor 29, the receiving opening 13 being located in the upper floor 28 and the lower floor 29 also forming the floor 30 of the stacking shaft 9, in which a drain opening 31 is provided, through the remaining contents in the beakers 5 and can run off into a collecting trough 32 provided on the bottom of the beaker collecting container 10. The upper floor 28 is shown partially broken away in FIGS. 8 and 9 in order to be able to better illustrate the processes taking place when the stack of cups is ejected. The stacking shaft 9 is formed by guide elements 33, 34 which run in the longitudinal direction of the shaft between the two floors 28, 29 and are arranged on the circumference of the shaft cross section and which enclose the cups 5 between them when the stacking shaft 9 is closed. However, these guide elements 33, 34 can be adjusted relative to one another from this arrangement including the cups 5 such that they open and release the stacking shaft 9 over at least half of the shaft circumference for the lateral ejection of the cup rod 5 ″ of the shaft circumference curved shell 34. This shell 34 is pivotally mounted about an axis 35 extending outside the shaft cross-section in the longitudinal direction of the shaft. Relative to the plane 36 which intersects the shell 34 and passes through the pivot axis 35 and through the axis 37 of the stacking shaft 9, therefore pivots the bowl 34 with one on the one hand, in FIGS. 7 to 9 shell part 34 'to the left of this level outwards from the shaft cross-section and into the shaft cross-section with the other shell part 34 "to the right of plane 36 in FIGS. 7 to 9, as shown in FIGS. 8 and 9. In this case The shell part 34 "pivoting into the shaft cross section swings the cup rod 5" laterally in the direction of arrow 38 from the stack shaft 9 which is simultaneously opened by the pivoting shell part 34 '. The pivot axis 35 of the shell 34 lies close to the peripheral surface of the stack shaft 9 so that there are short swiveling paths for the shell 34. The stacking shaft 9 is closed in Fig. 7, about half in Fig. 8, and fully opened in Fig. 9. The other guide members are diametrically opposed guide rods 33. Both these Guide rods 33 as well as the shell 34 and its pivot axis 35 are slightly inclined against the axis 37 of the stacking shaft 9, so that sic h the cross section of the stacking shaft 9 tapers slightly from top to bottom, as can be clearly seen in FIG. 6. The shell 34 is held in the position enclosing the cup 5 by the force of a tension spring 39 suspended on the shell part 34 ″. A pull magnet 40 serves as a pivot drive, the tie rod 41 of which, via a clasp 42, is connected to the shell 34 by pivoting it out of the shaft cross section Shell part 34 '. The closed position of the shell 34 is monitored by a limit switch 41 which carries a sensor 42 actuated by the shell 34 in its closed position. The sensor is actuated by the part 34 "of the shell which swivels into the shaft cross section and on which the Tension spring 39 is attached. In the When the shell 34 is in the closed position, the shell part 34 ″ rests under the force of the tension spring 39 on a stop pin 43 arranged on an upper base 28.

Claims (13)

  1. A cup return automat with a cup insertion chamber (1) and a cup collection chamber (10), characterized by a stacking shaft arranged over the cup collection chamber (10) with a reception opening (13) provided at the upper shaft end for the cups (5) to be stacked in the stacking shaft (9) and with a device for ejecting the formed stack of cups into the cup collection chamber (10), and by a transfer device provided between the cup insertion chamber (1) and the stacking shaft (9) which only allows any cup received in the cup insertion chamber (1) to pass into the receiving opening (13) of the stacking shaft (9) when in the cup orientation permitting the cup stacking and with the cup opening turned downwards.
  2. A cup return automat according to claim 1, characterized in that the transfer device comprises a guide cylinder (8) receiving the cups (5) in an orientation substantially parallel to the axis and open at the top and bottom ends, and which at the top adjoins an opening (15) for passage of the cup (5) provided in the bottom (7) of the cup insertion chamber (1) and at the bottom opens above the reception opening (13) of the stacking shaft (9), further in that the guide cylinder (8) is provided with a catch member (16) which is movable in controllable manner between two states, where it retains the cup (5) in the guide cylinder (8) in one state and enables it to fall through in the other state, and in that the guide cylinder (8) is fitted with a sensor (17) for testing a marking (4) provided on the cup wall, wherein the catch member (16) and the sensor (17) are so arranged relative to one another, that the marking (4) can only be detected by the sensor (17) with a downwardly turned cup opening of a cup (5) retained by the catch member (16) in the guide cylinder (8), and wherein the test results of the sensor (17) control the catch member (16) in relation to release of the cup.
  3. A cup return automat according to claim 2, characterized in that the catch member (16) is so arranged in relation to the opening of passage (15) in the bottom of the cup insertion chamber (1) in the guide cylinder (8) that a cup (5) retained by the catch member (16) in the guide cylinder (8) projects upwardly out of the guide cylinder (8) into the cup insertion chamber (1).
  4. A cup return automat according to claim 2 or 3, characterized in that the sensor (17) is formed by a reflective light beam detector (18) arranged outside the guide cylinder (8) at a window (19) provided in the cylinder wall, with a detection region directed into the interior space of the guide cylinder (8) and by a signal processing circuit electrically connected to the reflective light beam detector (18) and which evaluates the marking (4) located on the cup (5) and detected by the reflective light beam detector (18) and controls the catch member (16) for the cup release.
  5. A cup return automat according to any of claims 2 to 4, characterized in that the catch member (16) forms a stop for the cup rim preventing the cup falling through the guide cylinder (8) in its state retaining the cup (5) in the guide cylinder (8).
  6. A cup return automat according to any of claims 2 to 5, characterized in that the catch member (16) is a rod movable in the direction of its axis by a controllable drive member (20) which runs in a diametral plane (22) passing through the axis (21) of the guide cylinder (8) and which is inserted into the interior space of the guide cylinder (8) in its state retaining the cup (5) in the guide cylinder (8) and is retracted from the interior space in the state releasing the cup (5).
  7. A cup return automat according to any of claims 1 to 6, characterized in that a light beam detector (27) is arranged outside the upper end region of the stacking shaft (9), with a detection region directed into the interior of the stacking shaft (9), and in that the output signals of the light beam detector (27) detecting the build up of the cup stack (5") serve to control the device for ejecting the formed stack of cups into the cup collection chamber (10).
  8. A cup return automat according to any of claims 1 to 7, characterized in that the stacking shaft (9) is formed by guide members (33, 34) running in the longitudinal direction of the shaft, arranged about the periphery of the shaft cross-section and enclosing the cups (5) therebetween, which members are so movable relative to one another out of their arrangement enclosing the cups (5) that they open the stacking shaft (9) over at least half of the shaft periphery for the sideways ejection of the stack of cups (5").
  9. A cup return automat according to claim 8, characterized in that one of the guide members is formed as a shell (34) curved over at most half the shaft periphery and which is hinged about an axis (35) running in the shaft longitudinal direction, outside the shaft cross-section, so that the shell (34) swings in relation to the plane (36) intersecting the same and passing through its hinge axis (35) and also through the axis (37) of the stacking shaft (9) so that the shell part (34') lying on one side of this plane (36) swings outwardly, out of the shaft cross-section and the shell part (34") lying on the other side of the plane (36) swings into the shaft cross-section, whereby the in-swinging shell part (34") ejects the cup stack (5") laterally out of the stacking shaft (9) thus simultaneously opened by the out-swinging shell part (34').
  10. A cup return automat according to claim 9, characterized in that the hinge axis (35) of the shell (34) lies close by the peripheral surface of the stacking shaft (9).
  11. A cup return automat according to claim 9 or 10, characterized in that the other guide members are guide rods (33) diametrically opposed to the shell (34).
  12. A cup return automat according to any of claims 9 to 11, characterized in that the shell (34) is held by the force of a spring (39) in the position enclosing the cups (5) and a pull magnet (40) is provided as a swinging drive with its pull magnet armature (41) connected to pull on the shell (34) at its shell part (34') which swings out of the shaft cross-section.
  13. A cup return automat according to any of claims 1 to 12, characterized in that the stacking shaft (9) has a shaft bottom (30) provided with at least one drain opening (31) and a catch tray (32) is provided in the cup collection chamber (10) below the stacking shaft (9) for cup contents which run out.
EP92916998A 1991-08-08 1992-08-07 Automatic cup return machine Expired - Lifetime EP0552347B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4126260A DE4126260C1 (en) 1991-08-08 1991-08-08
DE4126260 1991-08-08
PCT/EP1992/001794 WO1993003460A1 (en) 1991-08-08 1992-08-07 Automatic cup return machine

Publications (2)

Publication Number Publication Date
EP0552347A1 EP0552347A1 (en) 1993-07-28
EP0552347B1 true EP0552347B1 (en) 1997-11-19

Family

ID=6437929

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92916998A Expired - Lifetime EP0552347B1 (en) 1991-08-08 1992-08-07 Automatic cup return machine

Country Status (6)

Country Link
US (1) US5484254A (en)
EP (1) EP0552347B1 (en)
JP (1) JPH06502037A (en)
AT (1) ATE160458T1 (en)
DE (2) DE4126260C1 (en)
WO (1) WO1993003460A1 (en)

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DE4311845C2 (en) * 1993-04-10 1995-07-27 Gat Geraetebau Und Automatisie Automatic machine for the return of reusable products
DE9305452U1 (en) * 1993-04-10 1993-10-07 GAT Gerätebau und Automatisierungstechnik GmbH, 91056 Erlangen Automatic machine for the return of reusable products
DE4403562C2 (en) * 1994-02-04 2002-07-04 Uwe Klar Device for the automatic return and storage of deposit cups
DE19521681A1 (en) * 1994-08-10 1996-02-15 Graessle Walter Gmbh Empty hollow body recycling device, e.g. for drinks beakers
DE4430386C1 (en) * 1994-08-26 1996-02-01 Lico Lindenmaier Beteiligungs Device for emptying containers, in particular in the form of cups for a cup return machine
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DE19503039B4 (en) * 1995-02-01 2004-04-29 Tetra Laval Holdings & Finance S.A. Device for producing a stack of nested, cup-shaped vessels
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FR2952916B1 (en) * 2009-11-25 2012-05-18 Xavier Delesalle CUP STORAGE MODULE, FOR EXAMPLE USES, AND USED CUP COLLECTION DEVICE COMPRISING SUCH A MODULE.
JP6465561B2 (en) * 2014-04-24 2019-02-06 株式会社アイディエス Container collection device and urine test device using container collection device
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CN110176104B (en) * 2019-06-02 2021-06-18 义乌市航英科技有限公司 Automatic beverage of opening bottle and retrieving is selld machine
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Also Published As

Publication number Publication date
US5484254A (en) 1996-01-16
DE4126260C1 (en) 1992-12-17
WO1993003460A1 (en) 1993-02-18
EP0552347A1 (en) 1993-07-28
ATE160458T1 (en) 1997-12-15
JPH06502037A (en) 1994-03-03
DE59209025D1 (en) 1998-01-02

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