EP0232866B1 - Dispositif de commande de l'ouverture et/ou fermeture de portes à mouvement rapide - Google Patents

Dispositif de commande de l'ouverture et/ou fermeture de portes à mouvement rapide Download PDF

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Publication number
EP0232866B1
EP0232866B1 EP87101639A EP87101639A EP0232866B1 EP 0232866 B1 EP0232866 B1 EP 0232866B1 EP 87101639 A EP87101639 A EP 87101639A EP 87101639 A EP87101639 A EP 87101639A EP 0232866 B1 EP0232866 B1 EP 0232866B1
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EP
European Patent Office
Prior art keywords
receiver
transmitters
means according
transmitter
disposed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP87101639A
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German (de)
English (en)
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EP0232866A2 (fr
EP0232866A3 (en
Inventor
Gabrijel Dipl.-Ing Rejc
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.)
EFAFLEX Transport- und Lagertechnik GmbH
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EFAFLEX Transport- und Lagertechnik GmbH
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
Application filed by EFAFLEX Transport- und Lagertechnik GmbH filed Critical EFAFLEX Transport- und Lagertechnik GmbH
Priority to AT87101639T priority Critical patent/ATE68237T1/de
Publication of EP0232866A2 publication Critical patent/EP0232866A2/fr
Publication of EP0232866A3 publication Critical patent/EP0232866A3/de
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Publication of EP0232866B1 publication Critical patent/EP0232866B1/fr
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Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F15/43—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/146—Shutters

Definitions

  • the invention relates to a device for controlling the opening and / or closing process of high-speed doors according to the preamble of claim 1.
  • Devices of this type are formed, for example, by light barriers which have a light source as the transmitter and a light-sensitive element as the receiver, the light beam reaching the receiver either as a continuous signal or deflected directly or by means of reflection.
  • These transmitter and receiver arrangements which are conventionally referred to as light barriers, are relatively expensive and large-volume as line monitoring with one transmitter and one receiver each.
  • Large-volume in particular because most light barriers light of the visible spectrum is used as light source, which can also be superimposed on the visible spectrum by external light sources.
  • the light source must therefore have a particularly high signal amplitude so that an overlay with other light sources is avoided as far as possible.
  • Such a light barrier is easier to reach, especially in interior rooms, where stray light from, for example, the sun does not lead to false triggering of the light barrier. If larger areas have to be monitored, multiple arrangements of light barriers are required, which are usually very cost-intensive in the order of many thousands of DM and are also maintenance-intensive.
  • an ultrasound or radar-based detector is preferably used, which does not have the problems of interfering light such as the light barrier.
  • a disadvantage of these detectors is that only movements of objects in the area to be monitored are detected. However, if a foreign body penetrates the area to be monitored and remains there without movement, it can no longer be determined whether the object which has penetrated is still in the area to be monitored or has left it again.
  • WO 82/02787 discloses a device which searches the closing level of two coupled sliding doors for an object and then generates a corresponding signal.
  • the transmitter and receiver are arranged in one or more transmitter-receiver group (s) on the left and right side of a door opening area to be monitored.
  • the transmitters are controlled sequentially by a corresponding circuit.
  • the interruption of the beam path between at least one of the transmitters and the assigned receiver can be used to determine whether there is an obstacle within the door opening area.
  • the areas of the beam paths of the transmitter-receiver groups overlap.
  • the object of the invention is to provide a device in which a level to be monitored and / or a space area to be monitored such as. B. a building opening can be monitored almost completely and an object located in the plane or in the room area can be located.
  • a particular advantage of the solution according to the invention can be seen in the fact that a practically complete area-wide monitoring of the area to be monitored or the space in between is made possible because several transmitters, which can be made relatively small, emit their signals to only one receiver. If these several transmitters are controlled alternately, for example cyclically, the location of the fault within the opening to be monitored can be detected with an evaluation circuit connected to the receiver. This does not even require a particularly complex receiver because it then does not have to distinguish signals coming from several transmitters at the same time, but only has to check the presence of the signal coming from the respective transmitter. In the simplest case, this is a light signal of a defined length, ie time duration, so that the receiver only has to check the amplitude and duration of the signal in accordance with the transmission signal.
  • the transmission signals generated with a certain clock frequency alternately drive the different transmitters and can be checked via the common receiver on the receiving side and evaluated for coincidence or deviation.
  • a concentrated light bundle is used, not as with light barriers, but light scattering, which is transmitted by several transmitters across the scattering range a common recipient is enough.
  • an infrared diode is preferably used as the transmitter and an infrared-sensitive light element as the receiver.
  • polarized light sources with polarized light receivers can also be used in the same way.
  • a rectangular surface is formed by two assemblies that lie opposite one another, and thus one assembly covers one triangle of surfaces and the other assembly covers the other triangle of surfaces of the rectangular surface.
  • several such assemblies may be required on both sides of the opening in order to be able to cover all room heights.
  • this is a particular advantage of the invention in that no complicated arrangements have to be created here, but rather a large number, for example infrared diodes, are arranged on a strip, in the row of which a receiver of the opposite group is interposed after several transmitters.
  • strip arrangements can be arranged on both fixed and movable objects, such as high-speed folding gates. Due to the inexpensive construction, such strips can also be attached in soffits or on floor surfaces, so that not only area surveillance, but also space surveillance is possible due to the strips and their surfaces in combination, which is used in particular for high-speed folding doors to completely monitor the opening space of these gates can.
  • the monitoring is so fine that even gaseous disturbances such as e.g. Clouds of smoke, exhaust gases and the like can be used to trigger a closing process in the high-speed door, so that these gases cannot penetrate into the space behind.
  • gaseous disturbances such as e.g. Clouds of smoke, exhaust gases and the like
  • a building opening 10 is defined by a floor level 12, a ceiling level 14 and a left wall 16 and a right wall 18.
  • a receiver 20.1 and a receiver 20.3 are arranged on the left wall 16 and a receiver 20.2 and a receiver 20.4 are arranged on the right wall 18.
  • the transmitters S1.1 to S1.n are assigned opposite on the right wall 18, while the second receiver 20.2 on the right side 18 has the transmitters S2.1, S2.2 to S2.n on the left side 16 are assigned.
  • the third receiver 20.3 on the left side 16 to which the transmitters S3.1, S3.2 to S3.n on the right side 18 are assigned and for the fourth receiver 20.4 on the right side 18, to which the transmitters S4.1, S4.2 to S4.n on the left side 16 are assigned.
  • the first receiver 20.1 defines a triangular surface I which encloses a right angle between the side 18 and the bottom 12.
  • the second receiver 20.2, with the transmitters S2.1 to S2.n defines a likewise rectangular triangular surface, which has a common hypotenuse with the triangular surface I.
  • the triangular surface III which is defined by the group of the third receiver 20.3 with the associated transmitters S3.1 to S3.n, is equivalent in the spatial arrangement of the triangular surface I offset upwards by half the height of the opening 10.
  • the triangular surface IV which is formed by the fourth receiver 20.4 with the associated transmitters S4.1 to S4.n, is also equivalent to the triangular surface II offset upwards by half the opening height.
  • the four triangular surfaces I to IV completely cover the opening 10.
  • the triangular area I is completely covered with respect to the infrared rays emitted by these infrared diodes and all rays can be received by the first receiver 20.1.
  • the third receiver 20.3 could also receive infrared rays from the infrared diodes S1.1 to S1.n, but this would then lead to a different group circuit with corresponding evaluation, as will be described in more detail below.
  • a control circuit 28 supplies the transmitters of the first group via a transmission line 30-1 and via a transmission line 30-2 the transmitters of the second group.
  • Corresponding transmission lines which are not shown in more detail, supply the transmitters of group three or group four.
  • the first receiver 20.1 is connected to the control circuit 28 via a receiver line 32-1, while the second receiver 20.2 is connected to the control circuit 28 via a second line 32-2.
  • the third receiver 20.3 and the fourth receiver 20.4 are connected to the control circuit 28.
  • a signal generating device 36 which generates a start signal 38, is switched on via a main switch 34.
  • the start signal 38 is fed to a clock generator 40, which generates a rectangular pulse train in the form of a clock signal 42.
  • the clock signal 42 coming from the clock generator 40 is fed to a transmitter control 46 via a clock line 44.
  • the transmitter control 46 transmits transmission signals S1 to a first transmitter group 50 via a first transmission line 48.
  • the transmitter control 46 applies transmission signals S2 to a second transmitter group 54 via a second line 52. From the transmission control lead further transmission lines, which lead corresponding transmission signals to other transmitter groups n depending on the number of connected transmitter groups. In the embodiment according to FIG. 1, this would be four transmitter groups, each with 4 transmitter lines.
  • Transmit signals 56 are transmitted from the first transmitter group 50 to the first receiver 20.1 of the first group.
  • transmission signals 58 are transmitted from the second transmitter group 54 to the second receiver 20.2 of the second group.
  • a comparison signal line carries comparison signals from the transmitter control a transceiver group distributor 62, from where the comparison signals 64-1 to 64-m are passed on to the respective receivers of the respective groups.
  • the comparison signal 64 is compared with the received transmitter signals 56 or 58, etc., in relation to one another, which can be done, for example, by a logical AND operation.
  • the receiver output signals 66-1 or 66-2 to 66-m are sent to a receiver collector circuit 68, from where they are fed to a common receiver signal evaluation circuit 70 via a collector line 72.
  • the evaluation signal 74 is fed via an evaluation signal line 76 to a self-monitoring circuit 78.
  • This self-monitoring circuit 78 is preferably designed as a fail-safe circuit. From it, signals are routed via a fault reporting line 80 into a fault reporting circuit 82, which then supplies the detection signals 84.
  • the self-monitoring circuit 78 has a relay 86, which connects the folding gate control 90 to the folding gate drive 92 via its relay contact 88. The actuation of the relay contact 88 can also be used as a detection signal 84 ', whereby an alarm system or other monitoring devices can also be actuated instead of controlling a high-speed door.
  • the building opening 10 is limited in front view by an open folding door both on the left side wall 16 and on the right side wall 18.
  • the guide and the drive are formed in the ceiling area 14 by a corresponding guide and drive construction 100.
  • the left half of the door 102 consists of two folding door leaves, namely the drive leaf 104 and the end leaf 108.
  • the right half of the door 110 also consists of a drive leaf 112 and an end leaf 116.
  • the individual wing is referred to the German patent application P 32 14 834.
  • a vertical gate wing strip 118 on the left end wing 108 and 120 on the right gate end wing 116 is provided in the example case.
  • the vertical strips 118 and 120 only extend up to usual person height of approx. 2 m, whereby of course the full gate height can also be monitored vertically.
  • a further wing bottom bar 122 is provided on the left end wing 108 and 124 on the right end wing 116.
  • the vertical gate end strips 118 and 120 monitor the gate opening surface 10 and the leaf bottom strips 122 and 124 monitor this surface at a depth which corresponds to the width of the end leaf 108 and 116, respectively.
  • a left soffit strip 126 and a right soffit strip 128 close off the monitoring room from the building opening side.
  • monitoring is achieved by the reveal strips 126 and 128, a profile in the form of a U-shaped rear side by the wing base strips 122 and 124 and the front by the vertical gate end strip strips 118 and 120. If the door closes, the full swivel range of the high-speed door in this room is monitored during the closing process.
  • a left bottom bar 130 and a right bottom bar 132 are provided, which correspond in their function to the wing bottom bars 122 and 124, respectively.
  • the left bottom ledge 130 extends vertically away from the left building wall 134 into the door movement space to be monitored and is preferably attached to the floor 12.
  • the right bottom ledge 132 on the right building wall 136 is also vertical from this attached to the floor extending away.
  • a left stand 138 and a right stand 140 correspond in function to the vertical end wing strips 118 and 120. This means that approximately the same level is monitored by the stand strips 138 and 140 as by the wing end strips 118 and 120. In the same way the floor level located in the opening area is monitored by the bottom strips 130 and 132 when the gate is closed or closing, while the monitoring is carried out by the wing bottom strips 122 and 124 when the gate is open. This means that the wing strips following the movement of the gate provide additional monitoring beyond the stationary floor, stand or soffit strips, so that the outer movement space is covered by the stationary strips and the inner movement space is covered by the leaf strips.
  • the strips essentially only contain the infrared diodes and receivers, while the control circuit 28 is preferably accommodated in the area of the guide and drive construction 100, it is possible to design these strips to be very slim and thus not to have to influence the construction of the high-speed folding doors, This becomes particularly clear when the door surfaces are formed by transparent plastic wings.

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Claims (20)

  1. Dispositif pour commander le procéssus d'ouverture et/ou de fermeture de portes ou barrières à actionnement rapide comprenant un dispositif de reconnaissance de l'obscurcissement d'un signal émis séquentiellement par plus de deux émetteurs (S1.1-S1.n, S2.1-S2n, ..., Sm.1-Sm.n) dans un espace intermédiaire (10) situé entre les émetteurs et un récepteur (20.1, 20.2, ..., 20.m), et comportant un circuit de commande (28) sur lequel tous les émetteurs (S1.1-S1.n, S2.1-S2n, ..., Sm.1-Sm.n) et le récepteur (20.1, 20.2 ..., 20.m) sont connectés, et le circuit de commande (28) fournissant des signaux aux émetteurs (S1.1-S1.n, S2.1-S2n, ..., Sm.1-Sm.n) qui sont transformés dans les émetteurs (S1.1-S1.n, S2.1-S2n, ..., Sm. 1-Sm.n) en signaux d'émission susceptibles d'être reçus par les récepteurs (20.1, 20.2, ... , 20.m) et qui sont réinjectés dans le circuit de commande (28), dans lequel le circuit de commande (28) émet les signaux vers les émetteurs (S1.1-S1.n, S2.1-S2n, ..., Sm.1-Sm.n) de manière cyclique et séquentielle et dans lequel les émetteurs (S1.1-S1.n, S2.1-S2n, ..., Sm.1-Sm.n) sont, dans chaque cas, associés aux récepteurs (20.1, 20.2, ..., 20.m) et définissent, avec les récepteurs (20.1, 20.2, ..., 20.m), un groupe émetteur-récepteur, caractérisé en ce que chacune des surfaces partielles à surveiller ou chaque espace partiel à surveiller est couvert seul par un groupe émetteur/récepteur associé, de manière que chaque émetteur d'un groupe d'émetteurs n'émette ses signaux qu'au récepteur qui lui est associé, en ce qu'au moins deux groupes émetteur/récepteur sont prévus de telle manière que les récepteurs (20.1, 20.2, ..., 20.m) soient disposés diagonalement opposés l'un par rapport à l'autre, en ce que les émetteurs (S1.1-S1.n, S2.1-S2n, ..., Sm.1-Sm.n) forment chacun, avec les récepteurs (20.1, 20.2, ..., 20.m), une surface définissant un triangle rectangle, et en ce que les signaux en provenance des récepteurs (20.1, 20.2, ..., 20.m) sont adressés à un circuit d'évaluation de fréquence et/ou d'amplitude, dans le circuit de commande (28), qui produit un signal d'évaluation (74).
  2. Dispositif selon la revendication 1, caractérisé en ce que le circuit de commande (28) fournit des signaux impulsionnels de rythme (42) émis par un générateur d'horloge (40).
  3. Dispositif selon l'une des revendications 1 à 2, caractérisé en ce qu'il comporte un circuit de comparaison qui réalise la comparaison entre des signaux en provenance du circuit d'évaluation et les signaux adressés aux émetteurs (S1.1-S1.n, S2.1-S2.n, ..., Sm.1-Sm.n) en ce qui concerne la fréquence et/ou l'amplitude et en cas de déviation, émet un signal de commutation qui peut être transformé en un signal d'évaluation (74).
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce qu'il comporte un circuit à sécurité intrinsèque surveillant les fonctions de tous les modules émetteurs, récepteurs et commutation.
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que les émetteurs (S1.1-S1.n, S2.1-S2.n, ..., Sm.1-Sm.n) sont alignés.
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que la géométrie de l'espace intermédiaire (10) est complètement couverte par les plans des émetteurs/récepteur de plusieurs groupes d'émetteurs (S1.1-S1.n, S2.1-S2.n, ..., Sm.1-Sm.n) et de récepteurs (20.1, 20.2, ..., 20.m).
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que les émetteurs (S1.1-S1.n, S2.1-S2.n, ..., Sm.1-Sm.n) comportent des diodes électroluminescentes et les récepteurs (20.1, 20.2, ..., 20.m) un élément récepteur de lumière.
  8. Dispositif selon la revendication 7, caractérisé en ce que les diodes électroluminescentes sont des diodes à infrarouge et l'élément récepteur de lumière est un récepteur à infrarouge.
  9. Dispositif selon la revendication 7 ou 8, caractérisé en ce que les diodes électroluminescentes présentent un angle de diffusion d'au moins 20°.
  10. Dispositif selon l'une des revendications 1 à 9, caractérisé en ce que plusieurs groupes d'émetteurs (S1.1-S1.n, S2.1-S2.n, ..., Sm.1-Sm.n) et de récepteurs (20.1, 20.2, ..., 20.m) comportant un circuit de commande (28) commun.
  11. Dispositif selon la revendication 10, caractérisé en ce que les émetteurs (S1.1-S1.n, S2.1-S2.n, ..., Sm.1-Sm.n) de chaque groupe et/ou de tous les groupes sont commandés par un circuit de commande d'émission (46).
  12. Dispositif selon l'une des revendications 1 à 11, caractérisé en ce que les émetteurs (S1.1-S1.n, S2.1-S2.n, ..., Sm.1-Sm.n) sont disposés le long d'une baguette qui est disposée sur une face d'ouverture de porte ou de barrière (chambranle) et/ou sur une face de porte ou de barrière.
  13. Dispositif selon la revendication 12, caractérisé en ce que le récepteur (20.1, 20.2, ..., 20.m) est disposé sur l'une des faces d'ouverture de la porte ou barrière et/ou sur une face de porte ou barrière faisant face aux émetteurs (S1.1-S1.n, S2.1-S2.n, ..., Sm.1-Sm.n).
  14. Dispositif selon la revendication 13, caractérisé en ce que le récepteur (20.1, 20.2, ..., 20.m) d'un premier groupe est disposé sur une baguette d'émission qui est couplée à un deuxième groupe dont les récepteurs (20.1, 20.2, ..., 20.m) sont disposés en face du récepteur (20.1, 20.2, ..., 20.m) du premier groupe.
  15. Dispositif selon l'une des revendications 12 à 14, caractérisé en ce que les baguettes sont disposées sur le l'arête frontale libre des portes ou barrières à actionnement rapide.
  16. Dispositif selon l'une des revendications 12 à 15, caractérisé en ce que les baguettes sont disposées sur l'arête de plancher d'au moins une porte ou barrière, avantageusement du battant qui atteint chaque fois le centre d'ouverture de la porte ou barrière.
  17. Dispositif selon l'une des revendications 12 à 16, caractérisé en ce que les baguettes sont disposées verticalement dans la zone de l'intrados de la porte ou barrière.
  18. Dispositif selon l'une des revendications 12 à 17, caractérisé en ce que les baguettes sont disposées sur des murs ou parois qui forment l'ouverture de la porte ou barrière et/ou de manière à s'étendre verticalement à partir de ces parois.
  19. Dispositif selon la revendication 18, caractérisé en ce que les baguettes s'étendent à partir des murs ou parois sur au moins une longueur qui correspond à la plus grande largeur d'une porte ou barrière.
  20. Dispositif selon l'une des revendications 18 ou 19, caractérisé en ce que les baguettes sont disposées dans la zone du plancher (12).
EP87101639A 1986-02-07 1987-02-06 Dispositif de commande de l'ouverture et/ou fermeture de portes à mouvement rapide Expired - Lifetime EP0232866B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87101639T ATE68237T1 (de) 1986-02-07 1987-02-06 Vorrichtung zur steuerung des oeffnungsund/oder schliessvorgangs von schnelllauf-toren.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3603940 1986-02-07
DE19863603940 DE3603940A1 (de) 1986-02-07 1986-02-07 Vorrichtung zur steuerung des oeffnungs- und/oder schliessvorgangs von schnellauf-toren

Publications (3)

Publication Number Publication Date
EP0232866A2 EP0232866A2 (fr) 1987-08-19
EP0232866A3 EP0232866A3 (en) 1987-12-16
EP0232866B1 true EP0232866B1 (fr) 1991-10-09

Family

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Application Number Title Priority Date Filing Date
EP87101639A Expired - Lifetime EP0232866B1 (fr) 1986-02-07 1987-02-06 Dispositif de commande de l'ouverture et/ou fermeture de portes à mouvement rapide

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Country Link
US (1) US4853531A (fr)
EP (1) EP0232866B1 (fr)
AT (1) ATE68237T1 (fr)
DE (2) DE3603940A1 (fr)
YU (1) YU16787A (fr)

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Also Published As

Publication number Publication date
ATE68237T1 (de) 1991-10-15
EP0232866A2 (fr) 1987-08-19
YU16787A (en) 1989-10-31
DE3603940A1 (de) 1987-08-13
DE3773499D1 (de) 1991-11-14
US4853531A (en) 1989-08-01
EP0232866A3 (en) 1987-12-16

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