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EP0115069B1 - Procédé et dispositif pour emballer des flocons de fibre en balles - Google Patents

Procédé et dispositif pour emballer des flocons de fibre en balles Download PDF

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Publication number
EP0115069B1
EP0115069B1 EP83113123A EP83113123A EP0115069B1 EP 0115069 B1 EP0115069 B1 EP 0115069B1 EP 83113123 A EP83113123 A EP 83113123A EP 83113123 A EP83113123 A EP 83113123A EP 0115069 B1 EP0115069 B1 EP 0115069B1
Authority
EP
European Patent Office
Prior art keywords
clearing
press
container
motions
press container
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
Application number
EP83113123A
Other languages
German (de)
English (en)
Other versions
EP0115069A3 (en
EP0115069A2 (fr
Inventor
Siegfried Rewitzer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoechst AG
Original Assignee
Hoechst AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19823248712 external-priority patent/DE3248712A1/de
Priority claimed from DE19833341882 external-priority patent/DE3341882A1/de
Application filed by Hoechst AG filed Critical Hoechst AG
Priority to AT83113123T priority Critical patent/ATE29850T1/de
Publication of EP0115069A2 publication Critical patent/EP0115069A2/fr
Publication of EP0115069A3 publication Critical patent/EP0115069A3/de
Application granted granted Critical
Publication of EP0115069B1 publication Critical patent/EP0115069B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
    • B30B9/3003—Details
    • B30B9/301—Feed means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
    • B30B9/3003—Details
    • B30B9/3007—Control arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
    • B30B9/3078—Presses specially adapted for particular purposes for baling; Compression boxes therefor with precompression means

Definitions

  • the invention relates to a method for packaging fiber flakes in bales of the same weight as possible and suitable devices therefor.
  • bale weights make it easier for customers to make arrangements, and they also produce reproducible results for the fiber manufacturer under optimal conditions.
  • German Patent No. 24 60 213 where in addition to a pressure sensor, at least one position sensor is also used.
  • the press box used in the pre-press is part of a carousel press, i.e. a free movement of the press box in the vertical direction, as would be necessary for weight determination, is not possible for equipment reasons alone.
  • a direct use of force measuring devices in the pre-press would also always have the disadvantage of a low sensitivity or a large relative error, since such force measuring devices would not only have to absorb the weight of the press container and the deposited flake, but also the force of the press ram.
  • German Offenlegungsschrift No. 29 11 958 describes for the first time the use of transportable press containers which no longer have a rigid connection to the primary or main press system.
  • the object was therefore still to find a method and a device for packaging fiber flakes in bales of uniform weight, in which only minor changes to the devices used are necessary, but in particular a complicated weighing mechanism before the pre-press can be avoided.
  • this transportable press container is first subjected to weighing, the press container being lifted from its base by lifting devices and being carried only by force measuring devices located on the lifting devices. Furthermore, in order to carry out correct weighing, it is necessary to remove the sealing devices which contact the press container from the press container. After this determination of the tare weight of the press container, the lifting devices are retracted, the press container stands on the base plate, and the sealing devices ensure a seal between the transportable press container and the upper part of the press. It is then started in the usual way with the filling and pressing of the fiber flake, the fiber flake accumulated in a filling shaft being discharged in batches with the aid of a rake stripper becomes.
  • the press ram is set in motion for the first time and the fiber material already present in the press container is pre-pressed. After the press ram has been raised again, the press container is filled again by a predetermined number of clearing movements of the reamer, followed by a pre-pressing with the help of the press ram.
  • This type of filling and pre-compression of fiber flake within a pre-press has been known for a long time.
  • the filling of the transportable press container is briefly interrupted and, as in the determination of the tare weight with the aid of the lifting devices and the force measuring devices attached to it Weight of the now partially filled container is determined.
  • Weight of the now partially filled container is determined.
  • the measured values obtained are evaluated in a measuring center.
  • the average weight of a clearing thrust is calculated and at the same time the number of clearing movements that are still necessary until a target weight is reached.
  • the pre-press is then moved on in the usual way, that is to say the fiber scraper is used to provide additional fiber flake, which is then compressed using the press ram.
  • the further filling process is interrupted and the filled press container is removed and replaced by a new one.
  • the method according to the invention can be further refined by weighing the press container again shortly before the predicted target number of clearing movements is reached, and so an even more precise determination of the average weight per clearing movement and also the number of thrusts of the clearing device still required can be determined . In this way, the target weight can be maintained with considerable accuracy.
  • the range of fluctuation of the bale weights is then about half of the average weight of a clearing movement, i.e. z. B. at about ⁇ 2 kg.
  • a further dosing device for fiber flakes can be provided, which, for example, works like the clearing device but with a smaller amount.
  • Smaller quantities of fibers can also be added by intervening in the guide geometry of the broaching device used. Such an intervention in the geometry is e.g. B. given when a guide lever is replaced by a variable guide system or the distance of the tines from their axis of rotation is reduced in commercially available scrapers.
  • the device required according to the invention consists of a pre-press as described, for example, in German Offenlegungsschrift No. 29 11 958.
  • a transportable press container that can be inserted into the pre-press.
  • the supply of the fiber flake takes place in the usual way via a filling shaft which opens approximately horizontally at its lower end into the upper part of the pre-press.
  • a scraper which has a plurality of tines, each of which moves a push of fiber flake into the upper part of the pre-press in a kind of gripping movement.
  • this pre-press it is necessary for this pre-press to have special lifting devices for the transportable press container, which are capable of lifting the press container so that it is no longer in contact with other parts of the device.
  • Force measuring devices are attached to the lifting devices, which can determine the weight of the container including its contents.
  • FIGS. 3 and 4 show in cross section embodiments of broaching devices with changeable guide geometry
  • FIG. 5 shows a top view rotated by 90 ° of the details of a clearing device shown in FIG. 4.
  • the fiber flake to be packaged is fed into the filling shaft 1 by conveying devices, in which it accumulates, but does not move beyond the horizontal branch, in particular when the clearing device 2 is in a corresponding position.
  • the clearing device 2 consists of an arm 3 which is moved about axis 4 and carries an axis 6 with a plurality of prongs 7 at the pivot point 5.
  • the position of the tines 7 when the arm 3 rotates about the axis 4 is predetermined by a lever system 8, 9, the pivot point 10 being fixed to the housing, in contrast to the axis 11, which is freely movable.
  • the tines 7, due to their coupling to the lever system 8, 9, perform a gripper-like movement which engages in the horizontal part of the filling chute 1, the tines 7 through cutouts 12 in the filling chute 1 and cutouts 13 in the The upper part of the press work.
  • the actual press consists of the upper part 14 with press ram 15, which can be moved up and down via a piston rod 16.
  • the transportable press container 17 can be seen, which was lifted from the base 19 by means of lifting and force measuring devices 18, 18 '. Furthermore, a roller 20 of a roller conveyor path has been indicated. The empty transport containers are normally delivered on this roller transport path and the filled press containers are removed.
  • the base 19 usually also has centering devices which ensure precise positioning of the press container relative to the pre-press, in particular to the press ram 15. Such centering devices have not been shown here since they are not the subject of the invention.
  • the base plate 19 is usually extendable. It is thus possible to reduce the gap between the press container 17 and the upper part of the press 14 and, at the same time, to relieve the roller conveyor path of the press forces of the press ram 15.
  • the special situation at the upper edge of the container 17 in the vicinity of the lifting and force measuring device 18 is shown again in detail in FIG. From this it can be seen that the lifting and force measuring device is movably attached to a frame support 21 on this side of the pre-press, namely once via bearing 22, axis 23, lever 24, and rod 25, and on the other hand via bearing bolts 26, 27, an adjusting device 28 and a support bracket 29.
  • the actual load cell 30 is mounted on the rod 25.
  • the rod 25 and thus the force measuring device 30 or the measuring devices are pivoted out and moved under the edge of the transportable press container 17 and the press container 17 is thus raised.
  • suitable locks must be used to ensure that during the measuring process, i.e. during use of the lifting and force measuring device 18, the press ram 15 must not be used.
  • FIG. 2 also shows a sealing device which consists of a frame-shaped structure 31 which is delimited by a circumferential soft seal 32.
  • This sealing frame 31 with seal 32 is carried over a plurality of lever and rod systems 33, 34 and supports 35, 36.
  • a stop 37 serves to limit the path of the seal downward.
  • a special plunger system 38, 39 is connected to the lever 34.
  • This plunger scans the position of the lever 24.
  • the plunger 38, 39 and thus the lever system 34, 33 are raised, with the result that the frame system 31 with the seal 32 is raised so far that the seal 32 and of course also the frame 31 no longer touches the press container 17 even in its raised state.
  • measuring devices must be available which register the number of revolutions or lifting movements of the clearing device 2.
  • the Dosing of smaller amounts of fibers than with a push of the broaching device is also possible by intervening in the guide geometry of the broaching device used.
  • Such an intervention can take place, for example, by replacing the lever arm 9 in FIG. 1 with a guide system 40 with a movement device 49.
  • a guide system 40 with a movement device 49.
  • the guide system 40 consists of four levers 42, 43, 44, and 45, which are movably connected to one another via the bearings 46, 47 and 48 and via the pivot point 10 and a movement device 49.
  • the guide system 40 is movably connected to a movement device 49 via the axis 48 and is in turn movably attached to a holding arm 50 which can be moved about the pivot point 10.
  • the movement device 49 ensures that the axis 48 is fixed in its position relative to the pivot point 10, this means that the levers 42, 43, 44 and 45 cannot change their position relative to one another and thus the axis 11 a constant distance from the fulcrum 10 must have.
  • the arm 3 rotates and thus the tines 7, which are movably mounted at the fulcrum 5, and the lever arm 8, the axis 11 describes a reciprocating movement on a circular arc 51.
  • the tip of the tines 7 thereby executes a movement through the path 52 of Figure 3 was indicated.
  • the associated end points of the movement of the axis 11 on the circular path 51 were identified with 11 'and 11 "in FIG. 1.
  • a change in the movement device 49 inevitably leads to a change in the distance of the axis 11 from the pivot point 10.
  • the axis 11 must move in a circular path around the pivot point 10, which has a smaller radius than the original path 51.
  • the tines 7 can no longer penetrate as far as was indicated by the curve 52 when they are inserted into the filling of the filling shaft 1.
  • FIG. 3 an extremely short setting of the guide system 40 is shown in dash-dotted lines.
  • Such a position of the levers 42, 43, 44, 45 and thus the displacement of the axis 11 on a circular path 53 is not preferable for continuous operation.
  • Such a strong change in the radius of the circular arc on which the axis 11 is guided is rather only suitable for significantly reducing the delivery rate in a single stroke.
  • the axis 11 is first moved on a path 54 until the desired new position of the axis, which is 55 was marked.
  • the stabilizing effect of the lever system 42, 43, 44, 45 can be dispensed with if the movement device 49 can be held in defined positions. Under these circumstances, the piston rod of the movement device 49 can be connected directly to the lever arm 8 via the axis 11.
  • FIG. 4 again shows a cross section through parts of the clearing device as in FIG. 3.
  • the axis 6, which carries the tines 7, was mounted in an elongated hole 59 in the arm 3.
  • the control of the position of the axis 6 to the axis 4 can take place according to FIG. 3 in that the axis 4 is designed as a hollow axis in which a non-rotating rod 60 was mounted so as to be displaceable in the direction of the axis 4.
  • the rod 60 carries at one end a bearing 61 with a movably attached connecting rod 62.
  • This connecting rod 62 is in turn connected to a bearing 63 for guiding the axis 6 in the elongated hole 59.
  • the connecting rod 62 When the connecting rod 62 is parallel to the arm 3, the axis 6 is in its most distant position to the axis 4 when the rod 60 is extended, the rod 62 can only be at an angle to the arm 3, the distance between the axes 4 and 6 being thereby noticeably shortened.
  • various method variants can be carried out according to the invention.
  • the weight in the press container and the average weight of fiber flake per broaching movement are determined after about half of the expected broaching movements, a very small reduction in the distance between the axis 11 and the fulcrum 10 by the desired reduction in the conveying capacity is sufficient, for example subsequent large number of clearing movements.
  • a procedure that is relatively unaffected by storage fluctuations is that, as described above, after a certain number of clearing movements with a maximum stroke, the weight and the average weight of fiber flake per clearing movement and the number of clearing movements still required are determined. However, the transportable press container with contents is weighed again shortly before the desired number of clearing movements with maximum stroke is reached. The repeated weighing and calculation of the average conveying capacity per clearing movement results in a possibly corrected number of the clearing movements still required with a maximum stroke and a decision as to whether an additional clearing movement with a greatly reduced stroke is then necessary to achieve the target weight.
  • the maximum stroke is reached up to the penultimate clearing movement, a check weighing then shows whether the target weight has already been reached within given limits or whether an additional clearing movement of the clearing device with a possibly greatly reduced stroke is necessary.
  • the movement device 49 would have to be actuated at the moment in which the axis 11 had reached its top dead center at 11 '.
  • the axis 11 and thus the lever arm 8 would then be guided along the curve 54 to the new top dead center 55, from which the axis 11 would follow the circular path 53.
  • this sharp reduction in the distance between the axis 11 and the fulcrum 10 it is necessary to ensure that a timely return of the axis 11 z.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Claims (11)

1. Procédé pour emballer des flocons de fibres sous forme de balles au moyen d'un pressage en plusieurs étapes, dans lequel les flocons de fibres sont introduits par poussée à l'aide d'un dispositif de ratissage dans un récipient de pressage transportable, les flocons de fibres sont précomprimés au moyen d'un poinçon de pressage dans plusieurs courses du dispositif de ratissage et le récipient de pressage transportable rempli est ensuite soumis dans une presse centrale à un pressage final, caractérisé en ce qu'initialement le récipient de pressage vide est soumis à une pesée, auquel cas le récipient de pressage est libéré des dispositifs d'étanchéité avec lesquels il est en contact, est soulevé par des dispositifs de levage et est pesé par des dispositifs de mesure de force montés sur eux, puis le récipient de pressage est à nouveau déposé, les dispositifs d'étanchéité sont refermés et les dispositifs de levage sont écartés par pivotement, en ce qu'ensuite on commence le remplissage et la pré-compression classiques, et enregistrant le nombre des mouvements de ratissage, au bout d'un nombre prédéterminé de mouvements de ratissage à nouveau le poids et le poids moyen de flocons de fibres par mouvement de ratissage sont déterminés et on calcule en correspondance le nombre des mouvements ou courses de ratissage qui sont encore nécessaires pour obtenir le poids de consigne et qui sont alors à nouveau réalisés d'une manière classique.
2. Procédé selon la revendication 1, caractérisé en ce que, peu avant que le nombre imposé de courses de ratissage soit atteint, on effectue encore une fois une pesée du récipient de pressage transportable avec son contenu et ensuite le cas échéant le nombre de mouvements de ratissage encore à exécuter est corrigé.
3. Procédé selon la revendication 1 ou 2, caractérisé en ce qu'il est prévu à côté du dispositif de ratissage encore un petit dispositif de dosage à l'aide duquel il est possible d'ajouter par unité de dosage de plus petites quantités de flocons de fibres qu'avec une course complète de ratissage.
4. Procédé selon la revendication 1 ou 2, caractérisé en ce que la quantité de flocons de fibres transportée par mouvement de ratissage est réglée par adaptation de la géométrie du dispositif de ratissage influençant la course.
5. Procédé selon les revendications 1 et 4, caractérisé en ce que, au bout d'un nombre prédéterminé de mouvements de ratissage avec une course maximale et après détermination du poids de flocons de fibres se trouvant dans le récipient de pressage ainsi que du poids moyen de flocons de fibres par mouvement de ratissage, la course du dispositif de ratissage est réduite de telle sorte que le poids de consigne soit atteint sans reste avec un nombre minimal d'autres mouvements de ratissage.
6. Procédé selon les revendications 2 et 4, caractérisé en ce que, peu avant que le nombre imposé de mouvements de ratissage avec course maximale soit atteint, on effectue encore une fois une pesée et ensuite le nombre des mouvements de ratissage avec course maximale encore à exécuter, ainsi que le cas échéant un mouvement de ratissage additionnel indépendant avec course réduite, sont déterminés et exécutés de façon à atteindre le poids de consigne imposé.
7. Presse pour la dépose et le pré-pressage de flocons de fibres dans un récipient de pressage transportable, où les flocons de fibres sont collectés dans une fosse de remplissage et sont introduits par poussée au moyen d'un dispositif de ratissage dans le récipient de pressage, caractérisée en ce que la presse comporte des dispositifs de levage (18, 18') pour le récipient de pressage transportable (17), qui peuvent soulever le récipient de pressage (17) de son support (19), des dispositifs de mesure de force (30), qui sont fixés sur les dispositifs de levage (18, 18') de telle sorte qu'ils supportent le récipient de pressage (17) lors de l'enclenchement des dispositifs de levage, des joints d'étanchéité mobiles (32) entre la partie supérieure (14) de la presse et le récipient de pressage (17), qui peuvent être enlevés du récipient de pressage (17) par des dispositifs d'entraînement (33, 39) ainsi que des dispositifs de commande qui peuvent assurer, en plus de la commande des mouvements classique de la machine, également la détermination du poids de tarage du récipient vide, le poids de remplissage au bout d'un nombre prédéterminé de courses de ratissage, le poids moyen par course de ratissage ainsi que le nombre encore nécessaire de courses de ratissage jusqu'à ce qu'une valeur de consigne prédéterminée soit atteinte.
8. Presse selon la revendication 7, caractérisée en ce qu'il est prévu, en plus du dispositif de ratissage, encore un autre dispositif de dosage qui peut introduire dans une course de plus petites quantités pondérales de matière en flocons que le dispositif de ratissage.
9. Presse selon la revendication 7, caractérisée en ce que la position spatiale des dents 7 du dispositif de ratissage 2, lors de leur mouvement circulaire autour de l'axe 4, est détérminée par un bras de levier (8) relié rigidement aux dents (7) et par un système de guidage (40) comportant un dispositif d'entraînement (49), le système de guidage (40) étant relié par l'intermédiaire d'un axe (11) avec le bras de levier (8) et étant monté de façon à pouvoir tourner autour du centre de rotation fixe (10), et en ce que le système de guidage (40) définit de façon réglable, en coopération avec le dispositif d'entraînement (49), l'espacement entre l'axe (11) et le centre de rotation (10).
10. Presse selon la revendication 9, caractérisée en ce que le système de guidage (40) se compose de quatre leviers (42,43,44,45) qui sont reliés de façon mobile, par l'intermédiaire d'axes de rotation (46,47,48) et d'un centre de rotation (10), sous la forme d'un polygone.
11. Presse selon la revendication 7, caractérisée en ce que l'axe (6) portant les dents (7) dans le dispositif de ratissage est monté de façon à pouvoir se déplacer par rapport à l'axe (4).
EP83113123A 1982-12-31 1983-12-27 Procédé et dispositif pour emballer des flocons de fibre en balles Expired EP0115069B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83113123T ATE29850T1 (de) 1982-12-31 1983-12-27 Verfahren und vorrichtung zum verpacken von faserflocke in ballen.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3248712 1982-12-31
DE19823248712 DE3248712A1 (de) 1982-12-31 1982-12-31 Verfahren und vorrichtung zum verpacken von faserflocke in ballen
DE19833341882 DE3341882A1 (de) 1983-11-19 1983-11-19 Verfahren und vorrichtung zum verpacken von faserflocke in ballen
DE3341882 1983-11-19

Publications (3)

Publication Number Publication Date
EP0115069A2 EP0115069A2 (fr) 1984-08-08
EP0115069A3 EP0115069A3 (en) 1985-10-09
EP0115069B1 true EP0115069B1 (fr) 1987-09-23

Family

ID=25807052

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83113123A Expired EP0115069B1 (fr) 1982-12-31 1983-12-27 Procédé et dispositif pour emballer des flocons de fibre en balles

Country Status (3)

Country Link
US (1) US4526094A (fr)
EP (1) EP0115069B1 (fr)
DE (1) DE3373796D1 (fr)

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US5111741A (en) * 1984-04-30 1992-05-12 Highland Supply Corporation System for baling strands of material including means for feeding and means for weighing material charges
US4961375A (en) * 1984-04-30 1990-10-09 Highland Manufacturing And Sales Company System for baling strands of material and a denser bale of strands of material so produced
DE3909566A1 (de) * 1989-03-23 1990-09-27 Hoechst Ag Verfahren und vorrichtung zum verpacken und pressen von faserflocke
US5213030A (en) * 1990-10-31 1993-05-25 Weyerhaeuser Company Method for packaging and shipping fiber materials
US5890426A (en) * 1997-05-01 1999-04-06 Evanite Fiber Corporation Fiber baling apparatus
NL1017874C2 (nl) * 2001-04-18 2002-10-21 Stichting Europ Metals Beladingssysteem voor een langwerpige transportcontainer, alsmede voertuig, bunker en werkwijze hiertoe.
DE10313492B4 (de) * 2003-03-26 2005-06-23 Maschinenfabrik Bernard Krone Gmbh Vorrichtung und Verfahren zur Erfassung und Regelung der Ballenlänge
AT502674B1 (de) * 2005-05-06 2007-05-15 Andritz Ag Maschf Verfahren und vorrichtung zum pressen von zellstoffflocken zu ballen
BE1025546B9 (nl) * 2017-12-22 2019-04-11 Cnh Ind Belgium Nv Strohaakopstelling voor een landbouwbalenpers

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US615493A (en) * 1898-12-06 Automatic weighing-machine
US1340964A (en) * 1915-03-29 1920-05-25 Continental Gin Co Apparatus for handling cotton and the like
US1931488A (en) * 1932-05-28 1933-10-24 Continental Gin Co Cotton tramper feed mechanism
US2993546A (en) * 1959-02-17 1961-07-25 Slattery Thomas Vincent Wool presses
US3220500A (en) * 1963-12-20 1965-11-30 A R Brownfield Jr Automatic bale weight control unit
DE1214138B (de) * 1964-08-29 1966-04-07 Lindemann Maschfab Gmbh Vorrichtung zum Dosieren von faserigem Gut, die einer Ballenpresse vorgeschaltet ist
US3611673A (en) * 1969-05-19 1971-10-12 Reaearch Cottrell Inc Material volume sensing device
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US3916778A (en) * 1973-12-19 1975-11-04 Lummus Industries Apparatus for bailing fibers
SE7705269L (sv) * 1977-05-05 1978-11-06 Ab Sunds Sett och anordning att genom pressning overfora voluminost material till balar
US4137976A (en) * 1977-05-09 1979-02-06 Fiber Industries, Inc. Method and apparatus for bale weight control
DE2849900A1 (de) * 1978-11-17 1980-05-29 Fiber Industries Inc Verfahren und vorrichtung zur bildung von packungen aus fasermaterial mit gleichmaessigem gewicht
DE2911958C2 (de) * 1979-03-27 1993-10-07 Hoechst Ag Verfahren zum Verpacken von faserigem Gut in Ballen sowie geeignete Preßanordnung dazu
DE2922353C2 (de) * 1979-06-01 1983-11-10 P.F.T. Putz- und Fördertechnik GmbH, 8715 Iphofen Vorrichtung zum Ermitteln des Füllungsgrades eines Baustellencontainers

Also Published As

Publication number Publication date
EP0115069A3 (en) 1985-10-09
US4526094A (en) 1985-07-02
EP0115069A2 (fr) 1984-08-08
DE3373796D1 (en) 1987-10-29

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