EP1592026A2 - Clamp-on magnet - Google Patents

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Publication number
EP1592026A2
EP1592026A2 EP05007828A EP05007828A EP1592026A2 EP 1592026 A2 EP1592026 A2 EP 1592026A2 EP 05007828 A EP05007828 A EP 05007828A EP 05007828 A EP05007828 A EP 05007828A EP 1592026 A2 EP1592026 A2 EP 1592026A2
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EP
European Patent Office
Prior art keywords
magnetic
elements
magnet
magnet according
protective layers
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EP05007828A
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German (de)
French (fr)
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EP1592026A3 (en
EP1592026B1 (en
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Andreas Reymann
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Ratec Maschinenentwicklungs- und Verwaltungs-GmbH
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Ratec Maschinenentwicklungs- und Verwaltungs-GmbH
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Publication of EP1592026A3 publication Critical patent/EP1592026A3/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0231—Magnetic circuits with PM for power or force generation
    • H01F7/0252—PM holding devices

Definitions

  • the invention relates to an adhesion magnet for adhering to a magnetic or magnetizable substrate, with a plurality of parallel disc-shaped Magnetic elements and parallel extending disc-shaped Pole elements, with magnetic and pole elements alternate and become a magnet forming the bond are braced and wherein the outer ends of the Magnetic elements are covered with protective layers.
  • magnets used which is lamellar, i. from one Plural of parallel, disc-shaped and rectangular magnetic elements and parallel thereto, likewise disc-shaped and rectangular, soft magnetic pole elements alternately assembled and are clamped together to form a composite.
  • magnets are for example from DE 44 24 447 and DE 94 11 585 U1 known.
  • the pole elements usually on all ends, but at least on the underside intended for the support on the steel table via the magnetic elements, so that between the Pole elements arise grooves whose groove bottom through the End faces of the magnetic elements is formed.
  • the materials used for the magnetic elements are only little corrosion resistant.
  • DE 198 10 612 C2 proposed to the holding magnet in to encapsulate a protective coating plastic encasement that only the pole elements and these only on the bottom of the magnet, the magnet otherwise and thus in particular the magnetic elements are completely enclosed.
  • this Protective measure will only the above grooves between the pole elements with a plastic as a protective layer potted and so the magnetic elements from corrosive Protected influences.
  • holding magnets are known in which several, designed as round discs Magnetic elements side by side in matching recesses of a Protective frame loosely inserted and the combination of Protective frame and magnetic elements between pole elements is strained.
  • the protective frame is made of aluminum or a plastic, such as polyethylene. The production the protective frame is costly.
  • that juxtaposed circular magnetic elements one have worse effect than rectangular magnetic elements.
  • the invention is therefore based on the object at a holding magnet of the type mentioned the conditions to create that magnets different Length produced at a lower cost and the Magnetic elements reliably and permanently against corrosion can be protected.
  • the material and the thickness of the protective layers can on be adapted to the particular application.
  • a plastic such as polyethylene.
  • abrasive High stress for example by cleaning brushes
  • Protective layers of non-magnetic are recommended Metals, for example aluminum or stainless steel or stainless steels such as V2A and V4A. Also hard plastics like thermosets are then suitable.
  • the extent of the protective layers can accordingly adapted to the respective requirements. So can the protective layers completely encapsulate the magnetic elements, for example by means of a thin plastic coating. Alternatively, however, may also be provided be that the protective layers as the magnetic elements enclosing Protective sleeves are formed, which the Cover front sides of the magnetic elements and so opposite protect external influences. Thickness and material of Protective sleeves can meet the requirements in the adapted above sense.
  • the protective sleeves can be made so that they form a closed guard ring. This one can be endless be educated. However, he can also make it be that the guard ring formed of a protective strip is, whose ends overlap and there with each other are connected. In this case it is recommended that the overlapping ends on the associated magnetic element to fasten, for example, by spot welding or the like.
  • the pole elements facing the magnetic elements at the Have side grooves that the magnetic elements with border the protective layers, preferably such free of play, that they are guided in the grooves and also a seal is achieved.
  • the magnet of fasteners for clamping the pole elements arranged side by side Magnetic elements interspersed should be any magnetic element at least one fastening means at least partially mounting. This can also happen for example that two juxtaposed magnetic elements a fastener each on both sides together, and preferably in a semicircle complementary.
  • the holding magnet 1 shown in the figures has three rectangular, disk-shaped pole elements 2, 3, 4, the consist of a soft magnetic material. Between the pole elements 2, 3 and the pole elements 3, 4 are rectangular magnetic strips 5, 6 and 7, 8 arranged, wherein in each case two magnetic strips 5, 6 and 7, 8 in Longitudinal direction of the holding magnet 1 arranged side by side are.
  • the pole elements 2, 3, 4 and the magnetic strips 5, 6, 7 are interspersed by screws 9, 10, 11, 12, the Pole elements 2, 3, 4 and the magnetic strip 5, 6, 7, 8 against each other clamp, so that the magnet 1 a solid Composite forms.
  • Each of the magnetic strips 5, 6, 7, 8 has a magnetic element 13, 14 (see Figure 3) of magnetic material, each of whose four end faces of a guard ring 15, 16, 17, 18 are completely covered, so that each Magnetic element 13, 14 each of a guard ring 15, 16, 17, 18 is enclosed on all sides.
  • the width of the guard rings 15, 16, 17, 18 corresponds to the width of the magnetic elements 13, 14.
  • the guard rings 15, 16, 17, 18 are each from a protective strip with it on a vertical Front side overlapping end portions 19, 20 (see Figure 6), which by spot welds 21, 22 with each other and with the local front side of the associated Magnet element 14 are connected.
  • the guard rings 15, 16, 17, 18 protect the magnetic elements 13, 14 from corrosion. At the same time they are so resistant to abrasion, that they repeated cleaning of the magnet 1 also resist by means of steel brushes, so that the Magnetic elements 13, 14 permanently protected against corrosion stay.

Abstract

The anchoring magnet (1) has multiple panel-shaped magnet elements and panel-shaped pole elements (2-4) that are extended in parallel fashion. The magnet and pole elements are clamped alternatingly into an assemblage, and having non-magnetic protective layers (15-18).

Description

Die Erfindung betrifft einen Haftmagneten zum Haften auf einem magnetischen oder magnetisierbaren Untergrund, mit einer Mehrzahl von parallel verlaufenden scheibenförmigen Magnetelementen und parallel dazu verlaufenden scheibenförmigen Polelementen, wobei sich Magnet- und Polelemente abwechseln und zu einem den Haftmagnet bildenden Verbund verspannt sind und wobei außenliegende Stirnseiten der Magnetelemente mit Schutzschichten bedeckt sind.The invention relates to an adhesion magnet for adhering to a magnetic or magnetizable substrate, with a plurality of parallel disc-shaped Magnetic elements and parallel extending disc-shaped Pole elements, with magnetic and pole elements alternate and become a magnet forming the bond are braced and wherein the outer ends of the Magnetic elements are covered with protective layers.

Für die Herstellung von Betonfertigteilen werden auf Stahltischen Schalungsteile aufgesetzt, die mittels auf dem Stahltisch aufgesetzten Haftmagneteinrichtungen in ihrer Position fixiert werden. Eine solche Haftmagneteinrichtung ist beispielsweise aus der DE 201 05 709 U1 bekannt.For the production of precast concrete parts are on Steel tables mounted formwork parts, which by means of the steel table put on magnetic devices in be fixed in their position. Such a magnetic device is known for example from DE 201 05 709 U1.

Für solche Haftmagneteinrichtungen werden Haftmagnete verwendet, die lamellenartig aufgebaut, d.h. aus einer Mehrzahl von parallel verlaufenden, scheibenförmigen und rechteckigen Magnetelementen und parallel dazu verlaufenden, ebenfalls scheibenförmigen und rechteckigen, weichmagnetischen Polelementen abwechselnd zusammengesetzt und miteinander zu einem Verbund verspannt sind. Solche Haftmagnete sind beispielsweise aus der DE 44 24 447 und dem DE 94 11 585 U1 bekannt. Dabei stehen die Polelemente meist an allen Stirnseiten, zumindest jedoch an der für die Auflage auf den Stahltisch bestimmten Unterseite über die Magnetelemente vor, so daß zwischen den Polelementen Nuten entstehen, deren Nutgrund durch die Stirnseiten der Magnetelemente gebildet wird.For such Haftmagneteinrichtungen be holding magnets used, which is lamellar, i. from one Plural of parallel, disc-shaped and rectangular magnetic elements and parallel thereto, likewise disc-shaped and rectangular, soft magnetic pole elements alternately assembled and are clamped together to form a composite. Such magnets are for example from DE 44 24 447 and DE 94 11 585 U1 known. Here are the pole elements usually on all ends, but at least on the underside intended for the support on the steel table via the magnetic elements, so that between the Pole elements arise grooves whose groove bottom through the End faces of the magnetic elements is formed.

Die für die Magnetelemente verwendeten Materialien sind nur wenig korrosionsbeständig. Um sie zu schützen, ist in der DE 198 10 612 C2 vorgeschlagen, den Haftmagneten in eine Schutzschicht bildende Kunststoffummantelung so einzukapseln, daß nur die Polelemente und diese auch nur an der Unterseite des Haftmagneten freiliegen, der Haftmagnet ansonsten und damit insbesondere die Magnetelemente vollständig umschlossen sind. In einer Abwandlung dieser Schutzmaßnahme werden nur die vorbeschriebenen Nuten zwischen den Polelementen mit einem Kunststoff als Schutzschicht vergossen und so die Magnetelemente vor korrosiven Einflüssen geschützt.The materials used for the magnetic elements are only little corrosion resistant. To protect her is in DE 198 10 612 C2 proposed to the holding magnet in to encapsulate a protective coating plastic encasement that only the pole elements and these only on the bottom of the magnet, the magnet otherwise and thus in particular the magnetic elements are completely enclosed. In a modification of this Protective measure will only the above grooves between the pole elements with a plastic as a protective layer potted and so the magnetic elements from corrosive Protected influences.

Solche Haftmagnete werden durch herumspritzenden Beton schnell verschmutzt. Der Beton haftet hartnäckig auf den Haftmagneten und wird maschinell mit Hilfe von Stahlbürsten entfernt. Dies führt dazu, daß die Schutzschichten aus Kunststoff nach und nach abgetragen werden mit der Folge, daß die korrosionsempfindlichen Magnetelemente zum Vorschein kommen und korrodieren.Such magnets are by spraying concrete quickly soiled. The concrete stubbornly adheres to the Holding magnets and is machined by means of steel brushes away. This causes the protective layers be gradually removed with the plastic Result that the corrosion-sensitive magnetic elements for Appear and corrode.

Alternativ dazu sind im Stand der Technik Haftmagnete bekannt, bei denen mehrere, als runde Scheiben ausgebildete Magnetelemente nebeneinander in passende Ausnehmungen eines Schutzrahmens lose eingesetzt und die Kombination aus Schutzrahmen und Magnetelementen zwischen Polelementen verspannt wird. Der Schutzrahmen besteht aus Aluminium oder einem Kunststoff, wie Polyäthylen. Die Herstellung des Schutzrahmens ist kostenaufwendig. Hinzu kommt, daß nebeneinander angeordnete kreisförmige Magnetelemente eine schlechtere Wirkung haben als rechteckige Magnetelemente.Alternatively, in the prior art holding magnets are known in which several, designed as round discs Magnetic elements side by side in matching recesses of a Protective frame loosely inserted and the combination of Protective frame and magnetic elements between pole elements is strained. The protective frame is made of aluminum or a plastic, such as polyethylene. The production the protective frame is costly. In addition, that juxtaposed circular magnetic elements one have worse effect than rectangular magnetic elements.

Ein weiteres Problem stellt der Umstand dar, daß Haftmagnete in unterschiedlichen Größen benötigt werden. Haben die Magnetelemente Rechteckform, müssen sie individuell an die jeweilige Länge des Haftmagneten angepaßt werden. Dies ist zwar bei kreisförmigen Magnetelementen nicht erforderlich. Statt dessen muß jedoch der Schutzrahmen mit einer der Länge des Haftmagneten entsprechenden Anzahl von Ausnehmungen versehen, insoweit also ebenfalls eine individuelle Anpassung vorgenommen werden. In beiden Fällen führt dies zu erheblichen Kosten.Another problem is the fact that holding magnets needed in different sizes. To have the magnetic elements rectangular shape, they must be customized be adapted to the respective length of the magnet. Although this is not required for circular magnetic elements. Instead, however, the protective frame with one of the length of the magnet corresponding number provided by recesses, in so far also one individual adjustment be made. In both cases This leads to significant costs.

Der Erfindung liegt folglich die Aufgabe zugrunde, bei einem Haftmagneten der eingangs genannten Art die Voraussetzungen dafür zu schaffen, daß Haftmagnete unterschiedlicher Länge mit geringeren Kosten hergestellt und die Magnetelemente zuverlässig und dauerhaft gegen Korrosion geschützt werden können.The invention is therefore based on the object at a holding magnet of the type mentioned the conditions to create that magnets different Length produced at a lower cost and the Magnetic elements reliably and permanently against corrosion can be protected.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Schutzschichten ausschließlich mit den Magnetelementen verbunden sind, also Teil der Magnetelemente sind. Die Magnetelemente sind also vor der Montage schon mit Schutzschichten versehen und werden zusammen mit diesen zwischen den Polelementen verspannt. Auf diese Weise eröffnet sich die Möglichkeit, die Magnetelemente zu standardisieren und unterschiedliche Längen des Haftmagneten dadurch zu verwirklichen, daß zwischen zwei Polelementen mehrere, gleich große Magnetelemente in Längsrichtung nebeneinander angeordnet werden. Auf diese Weise kann eine Familie unterschiedlich großer Haftmagnete kostengünstig hergestellt werden.This object is achieved in that the protective layers exclusively with the magnetic elements are connected, so are part of the magnetic elements. The magnetic elements are so before the assembly with Protective layers provided and become together with these braced between the pole elements. Opened in this way the possibility to standardize the magnetic elements and different lengths of the magnet realize that between two pole elements several, equal sized magnetic elements in the longitudinal direction next to each other to be ordered. This way a can Family of different sized magnets cost-effective getting produced.

Das Material und die Dicke der Schutzschichten kann an den jeweiligen Anwendungszweck angepaßt werden. In Fällen, in denen die Schutzschichten keiner abrasiven Beanspruchung unterliegen, reichen dünne Schutzschichten aus einem Kunststoff wie Polyäthylen aus. Ist die abrasive Beanspruchung groß, beispielsweise durch Reinigungsbürsten, empfehlen sich Schutzschichten aus amagnetischen Metallen, beispielsweise aus Aluminium oder Edelstahl bzw. nichtrostenden Stählen wie V2A und V4A. Auch Hartkunststoffe wie Duroplaste sind dann geeignet.The material and the thickness of the protective layers can on be adapted to the particular application. In cases, in which the protective layers no abrasive stress are subject to thin protective layers a plastic such as polyethylene. Is the abrasive High stress, for example by cleaning brushes, Protective layers of non-magnetic are recommended Metals, for example aluminum or stainless steel or stainless steels such as V2A and V4A. Also hard plastics like thermosets are then suitable.

Auch die Ausdehnung der Schutzschichten kann entsprechend den jeweiligen Anforderungen angepaßt werden. So können die Schutzschichten die Magnetelemente vollständig einkapseln, beispielsweise mittels einer dünnen Kunststoffbeschichtung. Alternativ dazu kann jedoch auch vorgesehen sein, daß die Schutzschichten als die Magnetelemente umschließende Schutzmanschetten ausgebildet sind, die die Stirnseiten der Magnetelemente bedecken und so gegenüber äußeren Einflüssen schützen. Dicke und Material der Schutzmanschetten können den jeweiligen Anforderungen im oben genannten Sinn angepaßt werden.The extent of the protective layers can accordingly adapted to the respective requirements. So can the protective layers completely encapsulate the magnetic elements, for example by means of a thin plastic coating. Alternatively, however, may also be provided be that the protective layers as the magnetic elements enclosing Protective sleeves are formed, which the Cover front sides of the magnetic elements and so opposite protect external influences. Thickness and material of Protective sleeves can meet the requirements in the adapted above sense.

Die Schutzmanschetten können so gefertigt sein, daß sie einen geschlossenen Schutzring bilden. Dieser kann endlos ausgebildet sein. Er kann jedoch auch dadurch hergestellt sein, daß der Schutzring aus einem Schutzstreifen gebildet ist, dessen Enden überlappen und dort miteinander verbunden sind. In diesem Fall empfiehlt es sich, die überlappenden Enden an dem zugehörigen Magnetelement zu befestigen, beispielsweise durch Punktschweißen oder dergleichen.The protective sleeves can be made so that they form a closed guard ring. This one can be endless be educated. However, he can also make it be that the guard ring formed of a protective strip is, whose ends overlap and there with each other are connected. In this case it is recommended that the overlapping ends on the associated magnetic element to fasten, for example, by spot welding or the like.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, daß die Polelemente an den den Magnetelementen zugewandten Seiten Nuten aufweisen, die die Magnetelemente mit den Schutzschichten einfassen, und zwar vorzugsweise derart spielfrei, daß sie in den Nuten geführt sind und auch eine Abdichtung erzielt wird.In a further embodiment of the invention is provided that the pole elements facing the magnetic elements at the Have side grooves that the magnetic elements with border the protective layers, preferably such free of play, that they are guided in the grooves and also a seal is achieved.

Sofern der Haftmagnet von Befestigungsmitteln zum Verspannen der Polelemente mit nebeneinander angeordneten Magnetelementen durchsetzt ist, sollte jedes Magnetelement wenigstens ein Befestigungsmittel zumindest teilweise einfassen. Dies kann beispielsweise auch so geschehen, daß zwei nebeneinander angeordnete Magnetelemente ein Befestigungselement jeweils beidseitig gemeinsam einfassen, und zwar vorzugsweise halbkreisförmig sich ergänzend.If the magnet of fasteners for clamping the pole elements arranged side by side Magnetic elements interspersed, should be any magnetic element at least one fastening means at least partially mounting. This can also happen for example that two juxtaposed magnetic elements a fastener each on both sides together, and preferably in a semicircle complementary.

In der Zeichnung ist die Erfindung anhand eines Ausführungsbeispiels näher veranschaulicht. Es zeigen:

Figur 1
die Seitenansicht eines erfindungsgemäßen Haftmagneten;
Figur 2
eine Draufsicht auf den Haftmagneten gemäß Figur 1;
Figur 3
einen Schnitt durch den Haftmagneten gemäß Figur 2 in der Ebene A-A;
Figur 4
eine stirnseitige Ansicht des Haftmagneten gemäß den Figuren 1 bis 3;
Figur 5
eine vergrößerte Detaildarstellung des in Figur 4 eingekreisten Details;
Figur 6
eine vergrößerte Detaildarstellung des in Figur 3 eingekreisten Details ohne Polelement.
In the drawing, the invention with reference to an embodiment is illustrated in more detail. Show it:
FIG. 1
the side view of a magnet according to the invention;
FIG. 2
a plan view of the holding magnet according to Figure 1;
FIG. 3
a section through the holding magnet according to Figure 2 in the plane AA;
FIG. 4
an end view of the holding magnet according to Figures 1 to 3;
FIG. 5
an enlarged detail of the circled in Figure 4 Details;
FIG. 6
an enlarged detail of the circled in Figure 3 Details without Polelement.

Der in den Figuren dargestellte Haftmagnet 1 weist drei rechteckige, scheibenförmige Polelemente 2, 3, 4 auf, die aus einem weichmagnetischen Material bestehen. Zwischen den Polelementen 2, 3 und den Polelementen 3, 4 sind rechteckförmige Magnetstreifen 5, 6 bzw. 7, 8 angeordnet, wobei jeweils zwei Magnetstreifen 5, 6 bzw. 7, 8 in Längsrichtung des Haftmagneten 1 nebeneinander angeordnet sind. Die Polelemente 2, 3, 4 und die Magnetstreifen 5, 6, 7 sind von Schrauben 9, 10, 11, 12 durchsetzt, die die Polelemente 2, 3, 4 und die Magnetstreifen 5, 6, 7, 8 gegeneinander verspannen, so daß der Haftmagnet 1 einen festen Verbund bildet.The holding magnet 1 shown in the figures has three rectangular, disk-shaped pole elements 2, 3, 4, the consist of a soft magnetic material. Between the pole elements 2, 3 and the pole elements 3, 4 are rectangular magnetic strips 5, 6 and 7, 8 arranged, wherein in each case two magnetic strips 5, 6 and 7, 8 in Longitudinal direction of the holding magnet 1 arranged side by side are. The pole elements 2, 3, 4 and the magnetic strips 5, 6, 7 are interspersed by screws 9, 10, 11, 12, the Pole elements 2, 3, 4 and the magnetic strip 5, 6, 7, 8 against each other clamp, so that the magnet 1 a solid Composite forms.

Jeder der Magnetstreifen 5, 6, 7, 8 weist ein Magnetelement 13, 14 (vgl. Figur 3) aus magnetischem Material auf, wobei jeweils deren vier Stirnseiten von einem Schutzring 15, 16, 17, 18 vollständig abgedeckt sind, so daß jedes Magnetelement 13, 14 von jeweils einem Schutzring 15, 16, 17, 18 allseitig umschlossen ist. Die Breite der Schutzringe 15, 16, 17, 18 entspricht der Breite der Magnetelemente 13, 14. Die Schutzringe 15, 16, 17, 18 bestehen jeweils aus einem Schutzstreifen mit sich an einer senkrechten Stirnseite überlappenden Endabschnitten 19, 20 (vgl. Figur 6), welche durch Punktschweißungen 21, 22 untereinander und mit der dortigen Stirnseite des zugehörigen Magnetelements 14 verbunden sind.Each of the magnetic strips 5, 6, 7, 8 has a magnetic element 13, 14 (see Figure 3) of magnetic material, each of whose four end faces of a guard ring 15, 16, 17, 18 are completely covered, so that each Magnetic element 13, 14 each of a guard ring 15, 16, 17, 18 is enclosed on all sides. The width of the guard rings 15, 16, 17, 18 corresponds to the width of the magnetic elements 13, 14. The guard rings 15, 16, 17, 18 are each from a protective strip with it on a vertical Front side overlapping end portions 19, 20 (see Figure 6), which by spot welds 21, 22 with each other and with the local front side of the associated Magnet element 14 are connected.

Wie insbesondere aus der Darstellung gemäß Figur 5 zu ersehen ist, sind in die Polelemente 2, 3, 4, 5 Längsnuten 23, 24 eingeformt, die sich über die gesamte Länge der Polelemente 2, 3, 4 erstrecken und die Magnetstreifen 5, 6, 7, 8 oben- und untenseitig formschlüssig einfassen. Die Tiefe der Längsnuten 23, 24 beträgt etwa einen halben Millimeter. Es versteht sich, daß solche Längsnuten auch in den die Magnetstreifen 7, 8 einfassenden Polelementen 3, 4 eingeformt sind.As can be seen in particular from the illustration according to FIG is, are in the pole elements 2, 3, 4, 5 longitudinal grooves 23, 24 formed over the entire length of the Pole elements 2, 3, 4 extend and the magnetic strip 5, 6, 7, 8 form-fitting border on top and bottom. The depth of the longitudinal grooves 23, 24 is about half Millimeter. It is understood that such longitudinal grooves also in the magnetic strips 7, 8 enclosing pole elements 3, 4 are formed.

Die Schutzringe 15, 16, 17, 18 schützen die Magnetelemente 13, 14 vor Korrosion. Gleichzeitig sind sie derart abriebfest, daß sie wiederholten Säuberungen des Haftmagneten 1 auch mittels Stahlbürsten widerstehen, so daß die Magnetelemente 13, 14 dauerhaft gegen Korrosion geschützt bleiben.The guard rings 15, 16, 17, 18 protect the magnetic elements 13, 14 from corrosion. At the same time they are so resistant to abrasion, that they repeated cleaning of the magnet 1 also resist by means of steel brushes, so that the Magnetic elements 13, 14 permanently protected against corrosion stay.

Claims (12)

Haftmagnet (1) zum Haften auf einem magnetischen oder magnetisierbaren Untergrund, mit einer Mehrzahl von parallel verlaufenden, scheibenförmigen Magnetelementen (13, 14) und parallel dazu verlaufenden, scheibenförmigen Polelementen (2, 3, 4), wobei Magnet- und Polelemente (2, 3, 4, 13, 14) abwechselnd zu einem Verbund verspannt sind und wobei die Magnetelemente (13, 14) amagnetische Schutzschichten (15, 16, 17, 18) aufweisen, dadurch gekennzeichnet, daß die Schutzschichten (15, 16, 17, 18) ausschließlich mit den Magnetelementen (13, 14) verbunden sind.Adhesive magnet (1) for adhering to a magnetic or magnetizable substrate, comprising a plurality of parallel, disk-shaped magnetic elements (13, 14) and disk-shaped pole elements (2, 3, 4) extending parallel thereto, magnetic and pole elements (2, 3, 4, 13, 14) are alternately clamped in a composite and wherein the magnetic elements (13, 14) have non-magnetic protective layers (15, 16, 17, 18), characterized in that the protective layers (15, 16, 17, 18 ) are exclusively connected to the magnetic elements (13, 14). Haftmagnet nach Anspruch 1, dadurch gekennzeichnet, daß die Schutzschichten (15, 16, 17, 18) aus Kunststoff oder Metall bestehen.Magnet according to claim 1, characterized in that the protective layers (15, 16, 17, 18) consist of plastic or metal. Haftmagnet nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Schutzschichten die Magnetelemente vollständig einkapseln. Magnet according to claim 1 or 2, characterized in that the protective layers completely encapsulate the magnetic elements. Haftmagnete nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Schutzschichten als die Magnetelemente (13, 14) umschließende Schutzmanschetten (15, 16, 17, 18) ausgebildet sind.Holding magnets according to claim 1 or 2, characterized in that the protective layers are formed as protective sleeves (15, 16, 17, 18) surrounding the magnetic elements (13, 14). Haftmagnet nach Anspruch 4, dadurch gekennzeichnet, daß die Schutzmanschetten jeweils einen geschlossenen Schutzring (15, 16, 17, 18) bilden.Magnet according to claim 4, characterized in that the protective sleeves each form a closed protection ring (15, 16, 17, 18). Haftmagnet nach Anspruch 5, dadurch gekennzeichnet, daß die Schutzringe (15, 16, 17, 18) aus einem Schutzstreifen gebildet sind, dessen Enden (19, 20) überlappen und dort miteinander verbunden sind.Clamping magnet according to claim 5, characterized in that the protective rings (15, 16, 17, 18) are formed from a protective strip whose ends (19, 20) overlap and are connected to one another there. Haftmagnet nach Anspruch 6, dadurch gekennzeichnet, daß die überlappenden Enden (19, 20) an dem zugehörigen Magnetelement (13, 14) befestigt sind.Magnet according to claim 6, characterized in that the overlapping ends (19, 20) are fixed to the associated magnetic element (13, 14). Haftmagnet nach einem der Anspruch 1 bis 7, dadurch gekennzeichnet, daß die Polelemente (2, 3, 4) an den den Magnetelementen (13, 14) zugewandten Seiten Nuten (23, 24) aufweisen, in die die Magnetelemente (13, 14) mit den Schutzschichten (15, 16, 17, 18) einfassen.Magnet according to one of Claims 1 to 7, characterized in that the pole elements (2, 3, 4) have grooves (23, 24) on the sides facing the magnetic elements (13, 14) into which the magnetic elements (13, 14) with the protective layers (15, 16, 17, 18) border. Haftmagnet nach Anspruch 8, dadurch gekennzeichnet, daß die Nuten (23, 24) die Schutzschichten (15, 16, 17, 18) spielfrei einfassen. Magnet according to claim 8, characterized in that the grooves (23, 24) surround the protective layers (15, 16, 17, 18) without play. Haftmagnet nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß wenigstens zwischen zwei Polelementen (2, 3, 4) mehrere Magnetelemente (13, 14) in Längsrichtungen nebeneinander angeordnet sind.Magnet according to one of claims 1 to 9, characterized in that at least between two pole elements (2, 3, 4) a plurality of magnetic elements (13, 14) are arranged side by side in longitudinal directions. Haftmagnet nach Anspruch 10, dadurch gekennzeichnet, daß der Haftmagnet (1) von Befestigungsmitteln (9, 10, 11, 12) durchsetzt ist und jedes Magnetelement (13, 14) wenigstens ein Befestigungsmittel (9, 10, 11, 12) zumindest teilweise formschlüssig einfaßt.Holding magnet according to claim 10, characterized in that the holding magnet (1) of fastening means (9, 10, 11, 12) is penetrated and each magnetic element (13, 14) at least one fastening means (9, 10, 11, 12) at least partially positively borders. Haftmagnet nach Anspruch 11, dadurch gekennzeichnet, daß zwei nebeneinander angeordnete Magnetelemente ein Befestigungselement jeweils halbseitig gemeinsam einfassen.Clamping magnet according to claim 11, characterized in that two magnet elements arranged next to one another surround a fastening element in each case in a half-sided manner.
EP05007828A 2004-04-26 2005-04-09 Clamp-on magnet Active EP1592026B1 (en)

Applications Claiming Priority (2)

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DE202004006618U 2004-04-26
DE202004006618U DE202004006618U1 (en) 2004-04-26 2004-04-26 Holding magnet

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EP1592026A2 true EP1592026A2 (en) 2005-11-02
EP1592026A3 EP1592026A3 (en) 2006-05-03
EP1592026B1 EP1592026B1 (en) 2008-11-12

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AT (1) ATE414322T1 (en)
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RU2014135402A (en) * 2012-01-30 2016-03-27 Мицубиси Электрик Корпорейшн MAGNETIC CHAIN
US9574355B2 (en) 2013-02-07 2017-02-21 Jesse Karl Meyer Tile with magnetic type material and covered with a layer of parchment and process thereof

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US20080238597A1 (en) 2008-10-02
DE202004006618U1 (en) 2005-09-08
EP1592026A3 (en) 2006-05-03
DE202005021526U1 (en) 2008-07-17
EP1592026B1 (en) 2008-11-12
ES2318377T3 (en) 2009-05-01
US20050237138A1 (en) 2005-10-27
US7545250B2 (en) 2009-06-09
ATE414322T1 (en) 2008-11-15
DE502005005929D1 (en) 2008-12-24

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