EP0224046B1 - Mounting arrangement for auxiliary switches on contactors - Google Patents

Mounting arrangement for auxiliary switches on contactors Download PDF

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Publication number
EP0224046B1
EP0224046B1 EP86114809A EP86114809A EP0224046B1 EP 0224046 B1 EP0224046 B1 EP 0224046B1 EP 86114809 A EP86114809 A EP 86114809A EP 86114809 A EP86114809 A EP 86114809A EP 0224046 B1 EP0224046 B1 EP 0224046B1
Authority
EP
European Patent Office
Prior art keywords
auxiliary switch
slide
spring
opening
motor contactor
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
EP86114809A
Other languages
German (de)
French (fr)
Other versions
EP0224046A1 (en
Inventor
Johann Dipl.-Ing. Bauer (Fh)
Klaus-Dieter Paul
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.)
Siemens AG
Original Assignee
Siemens 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
Application filed by Siemens AG filed Critical Siemens AG
Priority to AT86114809T priority Critical patent/ATE55507T1/en
Publication of EP0224046A1 publication Critical patent/EP0224046A1/en
Application granted granted Critical
Publication of EP0224046B1 publication Critical patent/EP0224046B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/541—Auxiliary contact devices
    • H01H50/545—Self-contained, easily replaceable microswitches

Definitions

  • the invention relates to an arrangement for auxiliary switch mounting on motor contactors with an actuating projection which protrudes from the auxiliary switch housing and can be brought into engagement with an opening in the contact bridge support of the motor contactor.
  • the actuating projection projects into an adapted opening in the contact bridge carrier.
  • the auxiliary switch itself is attached to the motor contactor housing with screws. With such an arrangement, care must be taken that the magnetic path of the motor contactor is smaller than the possible auxiliary switch path. In addition, a special adjustment of the auxiliary switch to the motor contactor is necessary, which the customer cannot easily do.
  • the invention is therefore based on the object of demonstrating an arrangement for auxiliary switch mounting in which magnetic path compensation can be achieved without difficulty.
  • Tappet drives for push buttons with a relatively large overrun are known per se (DE-U 1 760 279).
  • an insertion bevel for the actuation approach and an attachment approach for the actuation approach on the slide at the opening limit opposite the slide is arranged that when inserting the actuating approach into the opening there is a slide displacement.
  • the slide rests on a latching attachment on the contact bridge support in the spring opening direction.
  • the auxiliary switch can be connected to the motor contactor by means of a snap connection with the motor contactor.
  • the intermediate part is U-shaped and can be screwed to the web on the motor contactor via elongated holes and has openings on one U-leg for receiving mushroom-shaped formations of the auxiliary switch and latching elements on the other leg for latching with the auxiliary switch .
  • a simple tensioning between the auxiliary switch and the intermediate part can be achieved if a tension spring protrudes from the web for tensioning in the snap-in state between the auxiliary switch and the intermediate part.
  • the motor contactor 1 shown in FIG. 1 comprises the fixed magnetic part 2 with the magnetic coil 3.
  • the movable magnetic part 4 is connected in an articulated manner via a bolt 5 to the contact bridge carrier 6, which receives the contact bridges 7 and the contact pressure springs 8.
  • Guide parts 9, which serve to guide the contact bridge carrier and to couple the auxiliary switches 10, are positively inserted into the contact bridge carrier 6.
  • Guide webs 11, which protrude into a recess 12, are formed in the guide part 9 and cooperate with grooves 13 in a slide 14.
  • a spring 15 is held in the recess 12, which is supported on the one hand on a boundary wall of the recess 12 and on the other hand on the bottom 31 of the slide 14.
  • the projection 16 on the slide 14 is only so wide that it can be inserted into the recess 12 under the guide webs 11 after the spring 15 has been inserted.
  • the webs 11 engage in the grooves 13 and the lugs 17 are locked behind the locking hooks 32 on the guide part 9.
  • An insertion bevel 18 is used to insert the actuating projection 19 for the auxiliary switch 10.
  • An attachment projection 20 on the slide 14 here facilitates the insertion of the actuating projection 19, since the slide is displaced against the force of the spring 15 when the actuating projection 19 is inserted, ie the actuating projection 19 backlash-free with the guide part and thus connected to the contact bridge support 6.
  • Fastening screws 23 pass through the web 22, specifically through elongated holes 24 which are screwed into the housing of the motor contactor 1.
  • the position of the legs 25 and 26 can be predetermined with an emptiness, so that the auxiliary switch 10 can be snapped into the desired position in the intermediate part 21 and, if necessary, can also be exchanged without having to carry out any adjustment work.
  • a mushroom-shaped extension 27 engages in an opening 28 in the leg 25. After pivoting in, locking means are used 29 on the leg 26 and on the auxiliary switch 10 for latching the auxiliary switch 10 with the intermediate part 21.
  • a sheared spring 30 tensions the intermediate part 21 and auxiliary switch 10.
  • the auxiliary switch 10 is also connected to the housing of the motor contactor 1 without play.
  • two openings 28 and two mushroom-shaped projections 27 are provided.
  • the actuating projection 19 may already have reached the stop for the auxiliary switch 10 before the magnetic path of the motor contactor 1 has run through completely.
  • the amount of the magnetic path can be made larger by the path of the slide 14, ie it can be worked with much larger tolerances. As shown above, assembly and assembly are very simple.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Relay Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Electromagnets (AREA)
  • Protection Of Generators And Motors (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

An auxiliary switch hookup assembly in a motor contactor includes a slide member biased by a spring and forming a portion of the limiting wall for the reception of an auxiliary switch. The spring force exerted by the biasing spring can be greater than a total force exerted by restoring and contact compression springs of the motor contactor.

Description

Die Erfindung bezieht sich auf eine Anordnung für Hilfsschalteranbau an Motorschütze mit einem aus dem Hilfsschaltergehäu"se herausragenden, mit einer Öffnung im Kontaktbrückenträger des Motorschützes in Eingriff bringbaren Betätigungsansatz.The invention relates to an arrangement for auxiliary switch mounting on motor contactors with an actuating projection which protrudes from the auxiliary switch housing and can be brought into engagement with an opening in the contact bridge support of the motor contactor.

Bei einer bekannten Anordnung der obengenannten Art (DE-A 2 248 029) ragt der Betätigungsansatz in eine angepaßte Öffnung im Kontaktbrückenträger. Der Hilfsschalter selbst wird über Schrauben am Motorschützgehäuse befestigt. Bei einer derartigen Anordnung ist dafür Sorge zu tragen, daß der Magnetweg des Motorschützes kleiner als der mögliche Hilfsschalterweg ist. Darüber hinaus ist eine spezielle Anpassung des Hilfsschalters beim Anbau an das Motorschütz notwendig, was vom Kunden nicht ohne weiteres durchgeführt werden kann.In a known arrangement of the type mentioned above (DE-A 2 248 029), the actuating projection projects into an adapted opening in the contact bridge carrier. The auxiliary switch itself is attached to the motor contactor housing with screws. With such an arrangement, care must be taken that the magnetic path of the motor contactor is smaller than the possible auxiliary switch path. In addition, a special adjustment of the auxiliary switch to the motor contactor is necessary, which the customer cannot easily do.

Der Erfindung liegt somit die Aufgabe zugrunde, eine Anordnung für Hilfsschalteranbau aufzuzeigen, bei der ohne Schwierigkeiten ein Magnetwegausgleich erreichbar ist.The invention is therefore based on the object of demonstrating an arrangement for auxiliary switch mounting in which magnetic path compensation can be achieved without difficulty.

Dies wird bei einer Anordnung der obengenannten Art auf einfache Weise dadurch erreicht, daß die die Betätigung des Hilfsschalters bewirkende Öffnungsbegrenzung von einem gegen eine Feder verstellbaren Schieber gebildet ist, wobei die Federkraft größer als die Summenkraft der Rückstell-und Kontaktdruckfeder des Hilfsschalters ist.In an arrangement of the type mentioned above, this is achieved in a simple manner in that the opening limitation which actuates the auxiliary switch is formed by a slide which is adjustable against a spring, the spring force being greater than the total force of the return and contact pressure spring of the auxiliary switch.

Stößelantriebe für Tastschalter mit einem verhältnismäßig großem Nachlauf sind an sich bekannt (DE-U 1 760 279). Um auch die Lose zwischen Kontaktbrückenträger und Betätigungsansatz ausschalten zu können und das Einführen des Betätigungsansatzes in die Öffnung ohne Schwierigkeiten durchführen zu können, ist es vorteilhaft, wenn an der dem Schieber gegenüberliegenden Öffnungsbegrenzung eine Einführschräge für den Betätigungsansatz und am Schieber ein Anlageansatz für den Betätigungsansatz derart angeordnet ist, daß beim Einführen des Betätigungsansatzes in die Öffnung eine Schieberverschiebung erfolgt. Um hierbei den Schieber beim Einführen des Betätigungsansatzes nicht um einen zu großen Betrag verschieben zu müssen, ist es vorteilhaft, wenn der Schieber in Federöffnungsrichtung an einem Rastansatz am Kontaktbrückenträger anliegt. Um die gleiche Hilfsschaltertype auch bei Motorschützen mit unterschiedlichem Magnetweg verwenden zu können und hiermit dem Kunden das Auswechseln von Hilfsschaltem zu ermöglichen, ist es vorteilhaft, wenn der Hilfsschalter über ein am Motorschütz justiert angeordnetes Zwischenteil über Schnappverbindung mit dem Motorschütz verbindbar ist. Hierbei hat es sich als vorteilhaft erwiesen, wenn das Zwischenteil U-förmig ausgebildet mit dem Steg am Motorschütz über Langlöcher verschraubbar ist und an dem einen U-Schenkel Öffnungen zur Aufnahme von pilzförmigen Anformungen des Hilfsschalters und am anderen Schenkel Rastelemente zur Verrastung mit dem Hilfsschalter aufweist. Eine einfache Verspannung zwischen Hilfsschalter und Zwischenteil ist zu erreichen, wenn aus dem Steg eine Verspannfeder zur Verspannung im eingeschnappten Zustand zwischen Hilfsschalter und Zwischenteil herausragt.Tappet drives for push buttons with a relatively large overrun are known per se (DE-U 1 760 279). In order to also be able to switch off the loose parts between the contact bridge support and the actuation approach and to be able to insert the actuation approach into the opening without difficulty, it is advantageous if an insertion bevel for the actuation approach and an attachment approach for the actuation approach on the slide at the opening limit opposite the slide is arranged that when inserting the actuating approach into the opening there is a slide displacement. In order not to have to move the slide by an excessive amount when inserting the actuating attachment, it is advantageous if the slide rests on a latching attachment on the contact bridge support in the spring opening direction. In order to be able to use the same type of auxiliary switch with motor contactors with different magnetic paths and to enable the customer to replace auxiliary switches, it is advantageous if the auxiliary switch can be connected to the motor contactor by means of a snap connection with the motor contactor. It has proven to be advantageous if the intermediate part is U-shaped and can be screwed to the web on the motor contactor via elongated holes and has openings on one U-leg for receiving mushroom-shaped formations of the auxiliary switch and latching elements on the other leg for latching with the auxiliary switch . A simple tensioning between the auxiliary switch and the intermediate part can be achieved if a tension spring protrudes from the web for tensioning in the snap-in state between the auxiliary switch and the intermediate part.

Anhand der Zeichnung wird ein Ausführungsbeispiel gemäß der Erfindung beschrieben und der Anbau näher erläutert.An exemplary embodiment according to the invention is described with reference to the drawing and the cultivation is explained in more detail.

Es zeigen:

  • Fig. 1 eine Seitenansicht auf das Motorschütz, zum Teil im Schnitt, mit den angebauten Hilfsschaltern,
  • Fig. 2 das mit dem Kontaktbrückenträger verbundene Führungsteil zur Aufnahme des Schiebers,
  • Fig. 3 bis 5 Seitenansicht, Draufsicht und Vorderansicht auf den mit der Führung verbindbaren Schieber,
  • Fig. 6 eine Draufsicht auf den Hilfsschalter und
  • Fig. 7 und 8 Vorderansicht und Seitenansicht auf das Zwischenteil.
Show it:
  • 1 is a side view of the motor contactor, partly in section, with the auxiliary switches attached,
  • 2 the guide part connected to the contact bridge support for receiving the slide,
  • 3 to 5 side view, top view and front view of the slide connectable with the guide,
  • Fig. 6 is a plan view of the auxiliary switch and
  • 7 and 8 front view and side view of the intermediate part.

Das in der Fig. 1 dargestellte Motorschütz 1 umfaßt den feststehenden Magnetteil 2 mit der Magnetspule 3. Der bewegliche Magnetteil 4 ist über einen Bolzen 5 mit dem Kontaktbrückenträger 6 gelenkig verbunden, der die Kontaktbrücken 7 und die Kontaktdruckfedern 8 aufnimmt. In den Kontaktbrückenträger 6 sind Führungsteile 9 formschlüssig eingeschoben, die zur Führung des Kontaktbrückenträgers und zur Ankopplung der Hilfsschalter 10 dienen. Im Führungsteil 9 sind Führungsstege 11, die in eine Ausnehmung 12 ragen, angeformt und die mit Nuten 13 in einem Schieber 14 zusammenwirken. In der Ausnehmung 12 ist eine Feder 15 gehalten, die sich einerseits an einer Begrenzungswand der Ausnehmung 12 und andererseits am Boden 31 des Schiebers 14 abstützt. Die Anformung 16 am Schieber 14 ist nur so breit, daß sie unter den Führungsstegen 11 in die Ausnehmung 12 eingeführt werden kann, nachdem die Feder 15 eingelegt wurde. Beim Zusammendrücken der Feder 15 greifen die Stege 11 in die Nuten 13 und die Ansätze 17 werden hinter die Rasthaken 32 am Führungsteil 9 verrastet. Eine Einführungsschräge 18 dient zum Einführen des Betätigungsansatzes 19 für den Hilfsschalter 10. Ein Anlageansatz 20 am Schieber 14 erleichtert hier das Einführen des Betätigungsansatzes 19, da der Schieber beim Einführen des Betätigungsansatzes 19 entgegen der Kraft der Feder 15 verschoben wird, d.h. der Betätigungsansatz 19 ist spielfrei mit dem Führungsteil und damit mit dem Kontaktbrückenträger 6 in Verbindung gebracht. Zur Halterung des Hilfsschalters 10 am Motorschütz 1 dient ein Zwischenteil 21, das im vorliegenden Fall aus einem Blech U-förmig gebogen ist. Durch den Steg 22 greifen Befestigungsschrauben 23, und zwar durch Langlöcher 24, die in das Gehäuse des Motorschützes 1 eingeschraubt werden. Die Lage der Schenkel 25 und 26 kann mit einer Leere vorbestimmt werden, so daß der Hilfsschalter 10 in der gewünschten Lage in das Zwischenteil 21 eingeschnappt werden kann und gegebenenfalls auch ausgewechselt werden kann, ohne hierbei Justierarbeiten vornehmen zu müssen. Hierbei greift ein pilzförmiger Ansatz 27 in eine Öffnung 28 im Schenkel 25. Nach dem Einschwenken dienen Rastmittel 29 am Schenkel 26 und am Hilfschalter 10 zum Verrasten des Hilfsschalters 10 mit dem Zwischenteil 21. Eine ausgescherte Feder 30 verspannt Zwischenteil 21 und Hilfsschalter 10. Damit ist auch der Hilfsschalter 10 spielfrei mit dem Gehäuse des Motorschützes 1 verbunden. Um auch ein Verschwenken des Hilfsschalters zu verhindern, sind jeweils zwei Öffnungen 28 und zwei pilzförmige Ansätze 27 vorhanden. Bei der vorliegenden Anordnung ergibt sich der Vorteil, daß der Betätigungsansatz 19 bereits den Anschlag für den Hilfsschalter 10 erreicht haben kann, bevor der Magnetweg des Motorschützes 1 voll durchlaufen ist. Der Betrag des Magnetweges kann um den Weg des Schiebers 14 größer ausgeführt werden, d.h. es kann mit wesentlich größeren Toleranzen gearbeitet werden. Aufbau und Montage sind, wie oben dargestellt, sehr einfach.The motor contactor 1 shown in FIG. 1 comprises the fixed magnetic part 2 with the magnetic coil 3. The movable magnetic part 4 is connected in an articulated manner via a bolt 5 to the contact bridge carrier 6, which receives the contact bridges 7 and the contact pressure springs 8. Guide parts 9, which serve to guide the contact bridge carrier and to couple the auxiliary switches 10, are positively inserted into the contact bridge carrier 6. Guide webs 11, which protrude into a recess 12, are formed in the guide part 9 and cooperate with grooves 13 in a slide 14. A spring 15 is held in the recess 12, which is supported on the one hand on a boundary wall of the recess 12 and on the other hand on the bottom 31 of the slide 14. The projection 16 on the slide 14 is only so wide that it can be inserted into the recess 12 under the guide webs 11 after the spring 15 has been inserted. When the spring 15 is compressed, the webs 11 engage in the grooves 13 and the lugs 17 are locked behind the locking hooks 32 on the guide part 9. An insertion bevel 18 is used to insert the actuating projection 19 for the auxiliary switch 10. An attachment projection 20 on the slide 14 here facilitates the insertion of the actuating projection 19, since the slide is displaced against the force of the spring 15 when the actuating projection 19 is inserted, ie the actuating projection 19 backlash-free with the guide part and thus connected to the contact bridge support 6. An intermediate part 21, which in the present case is bent from a sheet of metal in a U-shape, serves to hold the auxiliary switch 10 on the motor contactor 1. Fastening screws 23 pass through the web 22, specifically through elongated holes 24 which are screwed into the housing of the motor contactor 1. The position of the legs 25 and 26 can be predetermined with an emptiness, so that the auxiliary switch 10 can be snapped into the desired position in the intermediate part 21 and, if necessary, can also be exchanged without having to carry out any adjustment work. Here, a mushroom-shaped extension 27 engages in an opening 28 in the leg 25. After pivoting in, locking means are used 29 on the leg 26 and on the auxiliary switch 10 for latching the auxiliary switch 10 with the intermediate part 21. A sheared spring 30 tensions the intermediate part 21 and auxiliary switch 10. Thus, the auxiliary switch 10 is also connected to the housing of the motor contactor 1 without play. In order to also prevent the auxiliary switch from pivoting, two openings 28 and two mushroom-shaped projections 27 are provided. In the present arrangement, there is the advantage that the actuating projection 19 may already have reached the stop for the auxiliary switch 10 before the magnetic path of the motor contactor 1 has run through completely. The amount of the magnetic path can be made larger by the path of the slide 14, ie it can be worked with much larger tolerances. As shown above, assembly and assembly are very simple.

Claims (6)

1. Arrangement for auxiliary switch mounting on motor contactors (1) comprising an operating projection (19) protruding from the auxiliary switch housing and movable into engagement with an opening in the contact bridge support (6) of the motor contactor (1), characterised in that the limitation of the opening inducing operation of the auxiliary switch (10) is formed by a slide (14) which is displaceable against a spring (15), the spring force being greater than the total force of the restoring and contact pressure spring of the auxiliary switch (10).
2. Arrangement according to claim 1, characterised in that an entry guide bevel (18) for the operating projection (19) is arranged on the edge of the opening opposite to the slide (14) and an abutment projection (20) for the operating projection (19) is arranged on the slide (14) such that displacement of the slide occurs when the operating projection (19) is guided into the opening.
3. Arrangement according to claim 1 or 2, characterised in that the slide (14) rests, in the opening direction of the spring, against a locking projection (32) on the contact bridge support.
4. Arrangement according to claim 1, 2 or 3, characterised in that the auxiliary switch (10) is connectible to the motor contactor (1) by way of a snap connection via an intermediate part (21) arranged so as to be adjusted to the motor contactor (1).
5. Arrangement according to claim 4, characterised in that the intermediate part (21) is formed in the shape of a U and its crosspiece (22) can be screwed to the motor contactor (1) through slots (24) and it has openings (28) on one leg (25) of the U for receiving mushroom-shaped projections (27) of the auxiliary switch (10) and locking elements (29) on the other leg (26) for locking engagement with the auxiliary switch (10).
6. Arrangement according to claim 5, characterised in that a bracing spring (30) projects from the crosspiece (22) for performing a bracing function in the snapped-in state between the auxiliary switch (10) and the intermediate part (21).
EP86114809A 1985-11-06 1986-10-24 Mounting arrangement for auxiliary switches on contactors Expired - Lifetime EP0224046B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86114809T ATE55507T1 (en) 1985-11-06 1986-10-24 ARRANGEMENT FOR MOUNTING THE AUXILIARY SWITCH IN MOTOR CONTACTORS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8531355U 1985-11-06
DE8531355U DE8531355U1 (en) 1985-11-06 1985-11-06 Arrangement for mounting auxiliary switches in motor contactors

Publications (2)

Publication Number Publication Date
EP0224046A1 EP0224046A1 (en) 1987-06-03
EP0224046B1 true EP0224046B1 (en) 1990-08-08

Family

ID=6786984

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86114809A Expired - Lifetime EP0224046B1 (en) 1985-11-06 1986-10-24 Mounting arrangement for auxiliary switches on contactors

Country Status (9)

Country Link
US (1) US4733210A (en)
EP (1) EP0224046B1 (en)
JP (1) JPH0517783Y2 (en)
AT (1) ATE55507T1 (en)
DE (2) DE8531355U1 (en)
DK (1) DK166178C (en)
ES (1) ES2016239B3 (en)
FI (1) FI83274C (en)
IN (1) IN163380B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4109715C1 (en) * 1991-03-25 1992-09-17 Kloeckner-Moeller Gmbh, 5300 Bonn, De Releasable connection of auxiliary switches - using actuation nipple set in housing

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3436497A (en) * 1967-08-31 1969-04-01 Cutler Hammer Inc Electrical switch having a lost motion operator assembly
US3609604A (en) * 1970-06-17 1971-09-28 Arrow Hart Inc Electromagnetic contactor with supplementary switching devices and mounting therefor
DE2248029A1 (en) * 1972-09-29 1974-04-11 Siemens Ag CARRIER FOR THE MOVING CONTACTS OF A SWITCHING DEVICE
DE2333165A1 (en) * 1972-10-16 1974-04-25 Sprecher & Schuh Ag AC CONTACTOR
IT1056449B (en) * 1976-02-06 1982-01-30 Bassani Spa STRUCTURE OF ELECTRIC CONTACTOR WITH MODULAR ELEMENTS
DE3423177C1 (en) * 1984-06-22 1985-08-01 Barlian, Reinhold, Dipl.-Ing.(FH), 6990 Bad Mergentheim Electrical switch

Also Published As

Publication number Publication date
JPS6279347U (en) 1987-05-21
DK524986A (en) 1987-05-07
US4733210A (en) 1988-03-22
FI863871A0 (en) 1986-09-25
FI83274C (en) 1991-06-10
EP0224046A1 (en) 1987-06-03
DE3673346D1 (en) 1990-09-13
ES2016239B3 (en) 1990-11-01
DK524986D0 (en) 1986-11-04
DK166178B (en) 1993-03-15
JPH0517783Y2 (en) 1993-05-12
IN163380B (en) 1988-09-17
ATE55507T1 (en) 1990-08-15
DE8531355U1 (en) 1986-01-02
FI83274B (en) 1991-02-28
FI863871A (en) 1987-05-07
DK166178C (en) 1993-07-26

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