EP0044449A2 - Case for electric installation devices - Google Patents

Case for electric installation devices Download PDF

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Publication number
EP0044449A2
EP0044449A2 EP81105102A EP81105102A EP0044449A2 EP 0044449 A2 EP0044449 A2 EP 0044449A2 EP 81105102 A EP81105102 A EP 81105102A EP 81105102 A EP81105102 A EP 81105102A EP 0044449 A2 EP0044449 A2 EP 0044449A2
Authority
EP
European Patent Office
Prior art keywords
cover
container
housing
latches
case
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.)
Withdrawn
Application number
EP81105102A
Other languages
German (de)
French (fr)
Other versions
EP0044449A3 (en
Inventor
Werner Bracht
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.)
BBC Brown Boveri AG Germany
Original Assignee
Brown Boveri und Cie AG Germany
BBC Brown Boveri AG Germany
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 Brown Boveri und Cie AG Germany, BBC Brown Boveri AG Germany filed Critical Brown Boveri und Cie AG Germany
Publication of EP0044449A2 publication Critical patent/EP0044449A2/en
Publication of EP0044449A3 publication Critical patent/EP0044449A3/en
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers

Definitions

  • the invention relates to a housing for electrical installation devices consisting of a box and a lid made of elastic material, which rests sealingly on the upper edge of the box and includes this with a collar-like extension, the cover with locking lugs formed on opposite inner sides of the extension on corresponding locking lugs of the Is held on the outside of the upper edge of the can and with engagement points provided in the area of the latching lugs for inserting a tool releasing the latching.
  • the locking lugs formed on the lid and the can are formed by means of a relatively complex tool, since expensive and repair-prone side slides are required for their molding.
  • the lid can be released from the can by means of a tool only from the side of the housing wall.
  • there is no lateral access to the housing so that the use of this housing is limited only to cases in which the side wall of the housing remains freely accessible.
  • the invention has therefore set itself the task of creating a housing in which the lid on the box is also held by a latching connection, which can only be released by tools, but a release of the lid from the end face of the housing is made possible.
  • the housing can also be installed in places where subsequent access from the side is not possible is, e.g. B. in niches or similar places.
  • cans and lids should be able to be produced in simple molding tools without the need for special molding agents such as sideshift or the like.
  • the recesses lie within an outer frame of the cover and are covered by an actuating, viewing element or hinged cover of an installation device, such as a switch, socket or the like, which is located within the frame.
  • the recesses are covered by an actuating, viewing element or hinged cover, which covers the surface of the cover in whole or in part, of an installation device arranged in the housing, such as a switch, socket or the like.
  • the box 1 which consists of a thermosetting insulating material, but can possibly also be made of a thermoplastic insulating material, has latching lugs 5 on its upper box edge 3 on opposite sides. These protrude completely beyond the outer wall 6 of the box 1 so that can be produced in the pressing or injection mold in the normal counter-pressing process.
  • the outer wall 6 of the can 1 is tapered in the direction of the can bottom.
  • the lid 2 is sealed with a peripheral edge on the can edge 3 and has a collar-like extension 4 encompassing this can edge 3. On opposite inner sides of this extension 4, locking lugs 7 are formed, which latch the locking lugs 5 when the lid 2 is pressed onto the can 1 reach behind.
  • latches 5 and 7 are required for a reliable attachment of the cover 2 to the box 1.
  • recesses a are provided which are open to the surface of the cover 2.
  • the latching lugs 7 of the cover can also be formed in a pressing or injection mold in the normal counterpressing process.
  • engagement points 9 are formed for the attack of the tool 10 in order to be able to release the latching by means of this tool.
  • the recesses 8 thus accessible from the surface of the cover 2 can be g for a switch, a lamp, a socket or a similar installation device acc. Fig. 3 are covered by an associated actuator, viewing member or hinged cover 11. This actuating, viewing element or hinged cover 11 can completely or partially overlap the surface of the cover 2.
  • the cover 2 has an outer frame 12 within which, in the example, the actuating rocker 11 of a switch lies, which can engage with its side walls 13 directly on the inside of the frame.
  • the actuating rocker 11 can be pivotally mounted on pins 15 of the cover 2 with integrally formed bearing webs 14.
  • the recesses 8 of the cover 2 are also withdrawn from an immediate view and are immediately accessible for actuation to detach the cover 2 from the can 1 after the actuation rocker 11 has been removed.
  • a sealing ring 16 or the like can be provided as required.

Abstract

A case for electric installation devices consists of a container (1) and a cover (2), formed from a resilient material, which is located in a sealing manner on the upper rim (3) of the container and surrounds the latter with a collar-like extension (4). In this arrangement, the cover is retained by latches (7), integrally formed on opposite inner sides of the extension, on corresponding latches (59) on the outer side of the upper rim of the container. Furthermore, the case has contact points (8, 9), provided in the region of the latches, for the insertion of a tool (10) to release the latching. To facilitate release of the cover from the end face of the case, so that the case can also be installed in such positions where subsequent access from the side is not possible and so that the container and cover can be produced in simple forming tools without requiring special forming aids such as sliding side moulds or the like, the latches at the rim of the container stand completely proud above the outer wall (6) of the container and, furthermore, the container wall is tapered in the direction towards the base of the container and the latches on the cover are formed by a cut-out (8) penetrating the surface of the cover and this cut-out forms the contact point (9) for the tool. <IMAGE>

Description

Die Erfindung betrifft ein Gehäuse für elektrische Installationsgeräte bestehend aus einer Dose und einem aus elastischem Werkstoff gebildeten Deckel, der auf dem oberen Dosenrand dichtend aufliegt und diesen mit einer kragenartigen Verlängerung umfaßt, wobei der Deckel mit an gegenüberliegenden Innenseiten der Verlängerung angeformten Rastnasen an korrespondierenden Rastnasen der Aussenseite des oberen Dosenrandes gehalten ist und mit im Bereich der Rastnasen vorgesehenen Eingriffstellen zum Einführen eines die Verrastung lösenden Werkzeuges.The invention relates to a housing for electrical installation devices consisting of a box and a lid made of elastic material, which rests sealingly on the upper edge of the box and includes this with a collar-like extension, the cover with locking lugs formed on opposite inner sides of the extension on corresponding locking lugs of the Is held on the outside of the upper edge of the can and with engagement points provided in the area of the latching lugs for inserting a tool releasing the latching.

Bei einem bekannten Gehäuse der beschriebenen Art (DE-GM 67 51 595) sind die dem Deckel und der Dose angeformten Rastnasen mittels einem relativ aufwendigen Werkzeug ausgebildete da für ihre Anformung kostspielige und reparaturanfällige Seitenschieber benötigt werden. Ein Lösen des Deckels von der Dose mittels Werkzeug ist bei diesem bekannten Gehäuse lediglich von der Seite der Gehäusewand aus möglich. Je nach Einbauort des Gehäuses ist jedoch ein seitlicher Zugriff zum Gehäuse nicht gegeben, so daß die Verwendung dieses Gehäuses nur auf solche Fälle beschränkt ist, wo die Seitenwand des Gehäuses frei zugänglich bleibt.In a known housing of the type described (DE-GM 67 51 595), the locking lugs formed on the lid and the can are formed by means of a relatively complex tool, since expensive and repair-prone side slides are required for their molding. In this known housing, the lid can be released from the can by means of a tool only from the side of the housing wall. Depending on the installation location of the housing, however, there is no lateral access to the housing, so that the use of this housing is limited only to cases in which the side wall of the housing remains freely accessible.

Die Erfindung hat sich daher zur Aufgabe gesetzt, ein Gehäuse zu schaffen, bei dem der Deckel an der Dose ebenfalls durch eine Rastverbindung gehalten wird, die nur durch Werkzeug lösbar ist, wobei jedoch ein Lösen des Deckels von der Stirnseite des Gehäuses ermöglicht wird. Hierdurch kann das Gehäuse auch an solchen Plätzen installiert werden, an denen der nachträgliche Zugriff von der Seite nicht möglich ist, z. B. in Nischen oder ähnlichen Stellen. Darüberhinaus sollen Dosen und Deckel in einfachen Formwerkzeugen erstellbar sein, ohne daß dabei besondere Formmittel wie Seitenschieber oder ähnliches erforderlich sind.The invention has therefore set itself the task of creating a housing in which the lid on the box is also held by a latching connection, which can only be released by tools, but a release of the lid from the end face of the housing is made possible. As a result, the housing can also be installed in places where subsequent access from the side is not possible is, e.g. B. in niches or similar places. In addition, cans and lids should be able to be produced in simple molding tools without the need for special molding agents such as sideshift or the like.

Erfindungsgemäß wird dies dadurch gelöst, daß die Rastnasen am oberen Dosenrand über die Aussenwand der Dose vollständig hervorstehen und diese Dosenwand in Richtung zum Dosenboden verjüngt ist und daß die Rastnasen am Dekkel durch eine die Oberfläche des Deckels durchdringende Ausnehmung geformt sind und diese Ausnehmung die Eingriffstelle für das Werkzeug bildet.According to the invention this is achieved in that the locking lugs on the upper edge of the can protrude completely beyond the outer wall of the can and this can wall is tapered towards the bottom of the can and that the locking lugs on the lid are formed by a recess penetrating the surface of the lid and this recess is the point of engagement for forms the tool.

Nach weiterer Ausgestaltung sind die Ausnehmungen innerhalb eines äußeren Rahmens des Deckels liegend und von einem innerhalb des Rahmens liegenden Betätigungs-, Sichtglied oder Klappdeckel eines in dem Gehäuse angeordneten Installationsgerätes, wie Schalter, Steckdose oder dergl. überdeckt.According to a further embodiment, the recesses lie within an outer frame of the cover and are covered by an actuating, viewing element or hinged cover of an installation device, such as a switch, socket or the like, which is located within the frame.

Nach anderer Ausgestaltung sind die Ausnehmungen von einem die Oberfläche des Deckels ganz oder teilweise übergreifenden Betätigungs-, Sichtglied oder Klappdeckel eines in dem Gehäuse angeordneten Installationsgerätes, wie Schalter, Steckdose oder dergl. überdeckt.According to another embodiment, the recesses are covered by an actuating, viewing element or hinged cover, which covers the surface of the cover in whole or in part, of an installation device arranged in the housing, such as a switch, socket or the like.

Die Erfindung ist in der Zeichnung anhand von Ausführungsbeispielen dargestellt. Es zeigt:

  • Fig. 1 einen Querschnitt durch ein Gehäuse,
  • Fig. 2 eine Innenansicht des Deckels,
  • Fig. 3 einen Querschnitt durch das Gehäuse mit einer anderen Ausführungsform,
  • Fig. 4 einen weiteren Querschnitt des Gehäuses mit einer weiteren Ausgestaltungsform,
  • Fig. 5 eine Oberansicht des Deckels nach Fig. 4 und
  • Fig. 6 einen Längsschnitt durch den Deckel nach Fig. 4.
The invention is illustrated in the drawing using exemplary embodiments. It shows:
  • 1 shows a cross section through a housing,
  • 2 is an inside view of the lid,
  • 3 shows a cross section through the housing with another embodiment,
  • 4 shows a further cross section of the housing with a further embodiment,
  • Fig. 5 is a top view of the lid of Fig. 4 and
  • 6 shows a longitudinal section through the cover according to FIG. 4.

Die Dose 1, die aus einem duroplastischen Isolierstoff besteht, ggf. aber auch aus einem thermoplastischen Isolierstoff hergestellt sein kann, besitzt an ihrem oberen Dosenrand 3 an gegenüberliegenden Seiten Rastnasen 5. Diese ragen über die Aussenwand 6 der Dose 1 vollständig hinaus, so daß sie im Press- oder Spritzwerkzeug im normalen Gegenpressverfahren herstellbar sind. Zur besseren Formung ist dabei die Aussenwand 6 der Dose 1 in Richtung zum Dosenboden verjüngt ausgebildet. Der Deckel 2 liegt mit einem umlaufenden Rand auf dem Dosenrand 3 dichtend auf und besitzt eine diesen Dosenrand 3 umfassende kragenartige Verlängerung 4. An gegenüberliegenden Innenseiten dieser Verlängerung 4 sind Rastnasen 7 angeformt, die bei Aufdrücken des Deckels 2 auf die Dose 1 die Rastnasen 5 verrastend hintergreifen. Bei normalen Installationsgeräten sind für eine zuverlässige Befestigung des Deckels 2 an der Dose 1 nur jeweils zwei Rastnasen 5 bzw. 7 erforderlich Oberhalb der Rastnasen 7 des Deckels 2 sind Ausnehmungen a vorgesehen, die zur Oberfläche des Deckels 2 offen sind. Hierdurch können die Rastnasen 7 des Deckels ebenfalls im normalen Gegenpreßverfahren in einem Press- oder Spritzwerkzeug geformt werden. Durch die Ausnehmungen 8 sind Eingriffstellen 9 gebildet für den Angriff des Werkzeuges 10, um die Verrastung mittels dieses Werkzeugs lösen zu können.The box 1, which consists of a thermosetting insulating material, but can possibly also be made of a thermoplastic insulating material, has latching lugs 5 on its upper box edge 3 on opposite sides. These protrude completely beyond the outer wall 6 of the box 1 so that can be produced in the pressing or injection mold in the normal counter-pressing process. For better shaping, the outer wall 6 of the can 1 is tapered in the direction of the can bottom. The lid 2 is sealed with a peripheral edge on the can edge 3 and has a collar-like extension 4 encompassing this can edge 3. On opposite inner sides of this extension 4, locking lugs 7 are formed, which latch the locking lugs 5 when the lid 2 is pressed onto the can 1 reach behind. In normal installation devices, only two latches 5 and 7 are required for a reliable attachment of the cover 2 to the box 1. Above the latches 7 of the cover 2, recesses a are provided which are open to the surface of the cover 2. As a result, the latching lugs 7 of the cover can also be formed in a pressing or injection mold in the normal counterpressing process. Through the recesses 8 engagement points 9 are formed for the attack of the tool 10 in order to be able to release the latching by means of this tool.

Die somit von der Oberfläche des Deckels 2 aus zugänglichen Ausnehmungen 8 können bei der Ausbildung des Gehäuseg für einen Schalter, eine Lampe, eine Steckdose oder einem ähnlichen Installationsgerät gem. Fig. 3 durch ein dem entsprechenden Installationsgerät zugeordneten Betätigungs-, Sichtglied oder Klappdeckel 11 überdeckt werden. Dabei kann dieses Betätigungs-, Sichtglied oder Klappdeckel 11 die Oberfläche des Deckels 2 ganz oder teilweise übergreifen.The recesses 8 thus accessible from the surface of the cover 2 can be g for a switch, a lamp, a socket or a similar installation device acc. Fig. 3 are covered by an associated actuator, viewing member or hinged cover 11. This actuating, viewing element or hinged cover 11 can completely or partially overlap the surface of the cover 2.

In den Fig. 4 bis 6 ist ein weiteres Ausführungsbeispiel gezeigt, das ein Gehäuse für einen Schalter darstellt. Dabei besitzt der Deckel 2 einen äußeren Rahmen 12 innerhalb dessen in dem Beispiel die Betätigungswippe 11 eines Schalters einliegt, wobei diese mit ihren Seitenwänden 13 unmittelbar an den Rahmeninnenseiten eingreifen kann. Die Betätigungswippe 11 kann dabei mit angeformten Lagerstegen 14 auf Zapfen 15 des Deckels 2 schwenkbar gelagert sein. Durch diese Ausbildung sind ebenfalls die Ausnehmungen 8. des Deckels 2 einer unmittelbaren Sicht entzogen und für eine Betätigung zum Lösen des Deckels 2 von der Dose 1 nach Abnahme der Betätigungswippe 11 unmittelbar zugänglich.4 to 6 a further embodiment is shown, which represents a housing for a switch. The cover 2 has an outer frame 12 within which, in the example, the actuating rocker 11 of a switch lies, which can engage with its side walls 13 directly on the inside of the frame. The actuating rocker 11 can be pivotally mounted on pins 15 of the cover 2 with integrally formed bearing webs 14. With this design, the recesses 8 of the cover 2 are also withdrawn from an immediate view and are immediately accessible for actuation to detach the cover 2 from the can 1 after the actuation rocker 11 has been removed.

Für eine Abdichtung zwischen Dose 1 und Deckel 2 kann je nach Bedarf noch ein Dichtring 16 oder dergl. vorgesehen werden.For a seal between box 1 and cover 2, a sealing ring 16 or the like can be provided as required.

Claims (3)

1.) Gehäuse für elektrische Installationsgeräte bestehend aus einer Dose und einem aus elastischem Werkstoff gebildeten Deckel, der auf dem oberen Dosenrand dichtend aufliegt und diesen mit einer kragenartigen Verlängerung umfaßt, wobei der Deckel mit an gegenüberliegenden Innenseiten der Verlängerung angeformten Rastnasen an korrespondierenden Rastnasen an der Außenseite des oberen Dosenrandes gehalten ist und mit im Bereich der Rastnasen vorgesehenen Eingriffstellen zum Einführen eines die Verrastung lösenden Werkzeuges, dadurch gekennzeichnet, daß die Rastnasen (5) am Dosenrand (3) über die Aussenwand (6) der Dose (1) vollständig hervorstehen und diese Dosenwand (6) in Richtung zum Dosenboden verjüngt ist und daß die Rastnasen (7) am Deckel (2) durch eine die Oberfläche des Deckels durchdringende Ausnehmung (8) geformt sind und diese Ausnehmung die Eingriffstelle (9) für das Werkzeug (10) bildet.1.) Housing for electrical installation devices consisting of a box and a lid made of elastic material, which rests sealingly on the upper edge of the box and includes this with a collar-like extension, the cover with locking lugs formed on opposite inner sides of the extension on corresponding locking lugs on the Is held outside of the upper edge of the can and with engagement points provided in the area of the locking lugs for inserting a tool releasing the locking, characterized in that the locking lugs (5) on the edge of the can (3) protrude completely beyond the outer wall (6) of the can (1) and this can wall (6) is tapered in the direction of the can bottom and that the latching lugs (7) on the lid (2) are formed by a recess (8) penetrating the surface of the lid and this recess is the engagement point (9) for the tool (10) forms. 2.) Gehäuse nach Anspruch 1, dadurch gekennzeichnet, daß die Ausnehmungen (8) innerhalb eines äußeren Rahmens (12) des Deckels (2) liegen und von einem innerhalb des Rahmens (12) liegenden Betätigungs-, Sichtglied oder Klappdeckel (11) eines in dem Gehäuse angeordneten Installationsgerätes wie Schalter, Steckdose oder dergleichen überdeckt sind.2.) Housing according to claim 1, characterized in that the recesses (8) within an outer frame (12) of the cover (2) and one of the actuating, viewing member or hinged cover (11) lying within the frame (12) installed in the housing installation device such as switches, sockets or the like are covered. 3.) Gehäuse nach Anspruch 1, dadurch gekennzeichnet, daß die Ausnehmungen (8) von einem die Oberfläche des Deckels (2) ganz oder teilweise übergreifenden Betätigungs-, Sichtglied oder Klappdeckel (11) eines in dem Gehäuse angeord4 neten Installationsgerätes wie Schalter, Steckdose oder dergleichen überdeckt sind.3.) Housing according to claim 1, characterized in that the recesses (8) from one of the surface of the cover (2) completely or partially overlapping actuating, viewing member or hinged cover (11) of a angeord4 Neten installation device such as switch, socket in the housing or the like are covered.
EP81105102A 1980-07-22 1981-07-01 Case for electric installation devices Withdrawn EP0044449A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803027663 DE3027663A1 (en) 1980-07-22 1980-07-22 HOUSING FOR ELECTRICAL INSTALLATION DEVICES
DE3027663 1980-07-22

Publications (2)

Publication Number Publication Date
EP0044449A2 true EP0044449A2 (en) 1982-01-27
EP0044449A3 EP0044449A3 (en) 1982-09-22

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ID=6107767

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81105102A Withdrawn EP0044449A3 (en) 1980-07-22 1981-07-01 Case for electric installation devices

Country Status (4)

Country Link
EP (1) EP0044449A3 (en)
DE (1) DE3027663A1 (en)
FI (1) FI812285L (en)
NO (1) NO812497L (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0332208A2 (en) * 1988-03-11 1989-09-13 MENTOR GMBH &amp; CO. Switching system for equipment of conducting card
EP0619634A1 (en) * 1993-04-06 1994-10-12 ABBPATENT GmbH Device for the detachable connection of a box with a cover

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1177709B (en) * 1960-08-18 1964-09-10 Hoppmann & Mulsow Elektrotechn Waterproof junction box or junction box made of insulating material
DE6751595U (en) * 1968-08-01 1969-01-30 Siemens Ag RECTANGULAR HOUSING MADE OF THERMOPLASTIC FOR WATER-PROTECTED INSTALLATION EQUIPMENT
US3477609A (en) * 1968-10-24 1969-11-11 Gen Dynamics Corp Plastic box having snap cover with seal
DE7024599U (en) * 1970-07-01 1971-03-18 Gebr Vedder Gmbh Waterproof installation device
DE2037779A1 (en) * 1970-07-30 1972-02-03 Merten Geb Water-protected surface box
DE2633074A1 (en) * 1975-09-08 1977-03-17 Bassani Spa ENTRY DEVICE FOR FASTENING COVER PLATES FOR ELECTRICAL WIRING AND SIMILAR DEVICES
DE7833886U1 (en) * 1978-11-15 1979-02-22 Buendoplast Gmbh & Co Kg, 4980 Buende Installation housing made of plastic
DE8020040U1 (en) * 1980-07-25 1980-10-23 Siemens Ag, 1000 Berlin Und 8000 Muenchen Installation device for surface mounting

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1177709B (en) * 1960-08-18 1964-09-10 Hoppmann & Mulsow Elektrotechn Waterproof junction box or junction box made of insulating material
DE6751595U (en) * 1968-08-01 1969-01-30 Siemens Ag RECTANGULAR HOUSING MADE OF THERMOPLASTIC FOR WATER-PROTECTED INSTALLATION EQUIPMENT
US3477609A (en) * 1968-10-24 1969-11-11 Gen Dynamics Corp Plastic box having snap cover with seal
DE7024599U (en) * 1970-07-01 1971-03-18 Gebr Vedder Gmbh Waterproof installation device
DE2037779A1 (en) * 1970-07-30 1972-02-03 Merten Geb Water-protected surface box
DE2633074A1 (en) * 1975-09-08 1977-03-17 Bassani Spa ENTRY DEVICE FOR FASTENING COVER PLATES FOR ELECTRICAL WIRING AND SIMILAR DEVICES
DE7833886U1 (en) * 1978-11-15 1979-02-22 Buendoplast Gmbh & Co Kg, 4980 Buende Installation housing made of plastic
DE8020040U1 (en) * 1980-07-25 1980-10-23 Siemens Ag, 1000 Berlin Und 8000 Muenchen Installation device for surface mounting

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0332208A2 (en) * 1988-03-11 1989-09-13 MENTOR GMBH &amp; CO. Switching system for equipment of conducting card
EP0332208A3 (en) * 1988-03-11 1990-07-18 MENTOR GMBH &amp; CO. Switching system for equipment of conducting card
EP0619634A1 (en) * 1993-04-06 1994-10-12 ABBPATENT GmbH Device for the detachable connection of a box with a cover

Also Published As

Publication number Publication date
DE3027663A1 (en) 1982-02-18
EP0044449A3 (en) 1982-09-22
FI812285L (en) 1982-01-23
NO812497L (en) 1982-01-25

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