EP0981972A1 - Device to protect objects or body parts from vibrations - Google Patents

Device to protect objects or body parts from vibrations Download PDF

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Publication number
EP0981972A1
EP0981972A1 EP99890241A EP99890241A EP0981972A1 EP 0981972 A1 EP0981972 A1 EP 0981972A1 EP 99890241 A EP99890241 A EP 99890241A EP 99890241 A EP99890241 A EP 99890241A EP 0981972 A1 EP0981972 A1 EP 0981972A1
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EP
European Patent Office
Prior art keywords
vibration
damping layer
damping
vibrations
layer
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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.)
Granted
Application number
EP99890241A
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German (de)
French (fr)
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EP0981972B1 (en
Inventor
Gerhard Karall
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Astron Elastomerprodukte GmbH
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Astron Elastomerprodukte GmbH
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Priority to AT99890241T priority Critical patent/ATE248532T1/en
Publication of EP0981972A1 publication Critical patent/EP0981972A1/en
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Publication of EP0981972B1 publication Critical patent/EP0981972B1/en
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    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D19/00—Gloves
    • A41D19/015—Protective gloves
    • A41D19/01523—Protective gloves absorbing shocks or vibrations
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/28—Shock absorbing
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/015—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with shock-absorbing means
    • A41D13/0156—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with shock-absorbing means having projecting patterns
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D2600/00—Uses of garments specially adapted for specific purposes
    • A41D2600/10—Uses of garments specially adapted for specific purposes for sport activities
    • A41D2600/102—Motorcycling

Definitions

  • the invention relates to a device for protecting objects or body parts Vibrations, especially a vibration-damping glove or Anti-vibration glove with at least one anti-vibration layer.
  • Devices for protecting the human body are, for example, as protectors for Motorcyclists known that the force on the body in accidents with a Mitigate the motorcycle rider's impact.
  • DE 196 47 724 A1 describes protectors for Motorcycle protective clothing, which are made of elastomers and for a better Adaptability a base with elevations towards the motorcyclist's body exhibit.
  • Protectors of this type serve to protect against knocks or impacts.
  • gloves for example according to US 5 632 045 A contain at least two layers of a damping material, one of which Layer of viscoelastic material and a layer of foam.
  • a other construction of a glove according to US 5,537,688 A includes a variety interconnected vesicles containing a liquid.
  • gloves exist to protect against heat and mechanical influences, such as for example, the version according to WO 93/05670 A1 or gloves, which a have increased grip and adhesion.
  • Such a glove, in particular Goalkeeper glove is described for example in WO 95/34228 A1.
  • the field of the present invention relates both to the vibration protection of Objects as well as protecting at least parts of human or animal Body.
  • the cause of the vibrations is arbitrary, mostly it is moving Systems that cause unwanted vibrations as a by-product.
  • One is strives to minimize these vibrations by appropriate constructions of the moving systems to maintain or shift the frequency of vibrations to areas where they are less Bring disadvantages.
  • the vibrations cannot be completely ruled out. Therefore attempts are made to transmit the vibrations to others using various means To prevent objects or to humans or only to a reduced extent allow.
  • the area is not limited to vibrating machines.
  • the devices can also serve to protect against vibrations in vehicles or the like.
  • the vibrations can be divided in terms of their frequency into those, which in the medium frequency range of about 31.5 to 200 Hz occur and those in the high Frequency range above 200 Hz occur.
  • Protective devices currently available e.g. Anti-vibration gloves are designed so that the vibrations in the middle Frequency range are not amplified and those in the high frequency range to one certain percentage can be reduced.
  • the aim of the present invention is therefore to provide a device for protection against vibrations create with which a clear even in the low frequency range of vibrations Damping of the vibrations can be achieved.
  • the facility for Protection against vibration should be designed so that the greatest possible freedom of movement is given to the human body, but also directly to the application Machines or the like. No mechanical blocking takes place.
  • the object of the invention is achieved in that at least one vibration damping layer at least on the object to be protected or Body part rejected surface incisions for decoupling movements in has at least one direction in the plane of said surface.
  • the device for protection against vibration as vibration-dampening gloves can thus avoid vibration-related injuries and the work is carried out at longer intervals without frequent breaks, without putting the worker at risk.
  • the incisions are advantageous according to the geometry and desired mobility of the person to be protected Arranged object or body part.
  • the depth of the incisions is at least 60%, preferably at least 80% and particularly preferably at least 95% of the thickness of the vibration damping layer. This will result in better decoupling of the movements the surface of the vibration damping layer and thus better vibration damping as well as greater freedom of movement.
  • the width of the incisions is at least so large that at maximum possible Deformation of the vibration-damping layer lying between the incisions Formations of the layer are at least partially decoupled from one another. This will achieves an optimal vibration-damping effect even when the layer is deformed.
  • vibration-damping device Layer of a three-dimensional elastomer matrix, preferably based on Polynorbones, with embedded vibration-damping plasticizers.
  • a cross-linked elastomer matrix achieves better dimensional stability.
  • At least one vibration-damping layer is hard of at most 18 Shore A, preferably 5 Shore A and a rebound resilience of has a maximum of 10%, preferably 3%.
  • the surface is vibration damping layer 20% to 80%, preferably 30% of the base of the vibration damping layer.
  • the Surface have a certain minimum size, so that the functionality and the Transfer of a holding force via the protective device, especially when used as a glove, is preserved. This is supported by the fact that when choosing a small one Surface of the vibration damping layer is a harder material and if you choose one larger surface a softer material is used.
  • the Vibration damping layer 1 has essentially the shape of a human hand and according to the invention has incisions 2 on one surface which correspond to the desired movement or the geometry of the object to be protected, in this case the human hand, are arranged. By arranging a large number of incisions 2 results in a multitude of intermediate formings 3.
  • the vibration-damping Layer 1 is designed so that the surface 4 of the formations 3 essentially is parallel to the base 5 of layer 1.
  • the resulting surface 4 of the Formations 3 should be as large as possible so that the largest possible Contact surface to the vibrating object results.
  • the vibration-damping layer 1 ensures that the in the direction of the interior of the layer 1 oriented vibrations by the appropriate Material will be absorbed and additionally propagate towards the plane of the Surface 4 of the layer 1 oriented vibrations is effectively prevented.
  • the Movements on the surface 4 are partially at the incisions 2 inside the vibration damping layer 1 forced where, for example, a conversion of the Vibration energy takes place in heat.
  • Studies have shown that the device according to the invention vibrations in both the medium and high Frequency range can be significantly reduced and still freedom of movement especially when used in a glove.
  • the depth T of the incisions 2 takes up a large part of the thickness D of the vibration-damping layer 1.
  • the depth T is advantageously at least 60%, preferably at least 80% and particularly preferably at least 95% of the thickness D of the layer 1.
  • the width B of the incisions is as small as possible, so that the largest possible surface 4 results, via which the vibrations are absorbed but can at the same time also be at least large enough that a transmission of movements in the direction of the plane of the surface 4 does not take place from a formation 3 to the adjacent formation 3.
  • the incisions 2 must be selected at least as wide for sufficient decoupling of such movements in the direction of the plane of the surface 4 of the layer 1 that also with maximum possible deformation of the layer 1 there is no contact of the formations 3.
  • a touch in places is tolerable, however, for optimal vibration damping, the majority of the formations 3 should be decoupled from one another.
  • the incisions 2 are preferably designed such that their width B increases in the direction of the surface 4 of the layer 1.
  • the incisions 2 on the surface 4 having a width B 1 which is greater than the width B 2 in the depth of the incision 2.
  • a trapezoidal course a curved or differently shaped course can also be used the cross section of the incisions 2 can be selected.
  • FIG. 4 shows a borderline case in which a maximum deformation of layer 1 is shown.
  • this maximum deformation is caused, for example, by the maximum possible curvature of the fingers.
  • the shape of the incisions 2 is preferably selected so that even with such a maximum deformation, a certain minimum width B min of the incisions 2 results, so that in this state of the layer 1 there is a mutual decoupling of the formations 3.

Abstract

There is disclosed a device for the protection of objects or body parts against vibrations, in particular a vibration-damping glove or antivibration glove, including at least one vibration-damping layer. In order to realize such a device, which causes noticeable damping of vibrations even in the low-frequency range of vibrations (31.5 to 200 Hz) and, in addition, remains maneuverable to the largest extent possible, at least one vibration-damping layer, on its surface facing away from the object or body part to be protected, includes indents for decoupling movements in at least one direction in the plane of that surface. The indents, on the one hand, cause the vibrations oriented in the plane of the surface to be deflected into the interior of the layer, thereby enhancing the vibration-damping effect, in particular in the low-frequency range. On the other hand, a high degree of movability of the vibration-damping layer, and hence of the overall device, is ensured by the indents.

Description

Die Erfindung betrifft eine Einrichtung zum Schutz von Gegenständen oder Körperteilen vor Vibrationen, insbesondere einen vibrationsdämpfenden Handschuh bzw. Antivibrationshandschuh, mit zumindest einer vibrationsdämpfenden Schicht.The invention relates to a device for protecting objects or body parts Vibrations, especially a vibration-damping glove or Anti-vibration glove with at least one anti-vibration layer.

Einrichtungen zum Schutz des menschlichen Körpers sind beispielsweise als Protektoren für Motorradfahrer bekannt, welche die Krafteinwirkung auf den Körper bei Unfällen mit einem Aufprall des Motorradfahrers mildern. Die DE 196 47 724 A1 beschreibt Protektoren für Motorradschutzbekleidungen, welche aus Elastomeren bestehen und für eine bessere Anpassungsfähigkeit eine Basis mit Erhebungen in Richtung des Körpers des Motorradfahrers aufweisen. Derartige Protektoren dienen zum Schutz vor Schlägen oder Stößen. Zur Reduktion von Vibrationen sind Handschuhe bekannt, welche beispielsweise gemäß der US 5 632 045 A mindestens zwei Schichten eines Dämpfungsmaterials enthalten, wobei eine Schicht aus viskoelastischem Material und eine Schicht aus einem Schaumstoff besteht. Eine andere Konstruktion eines Handschuhs nach der US 5 537 688 A beinhaltet eine Vielzahl miteinander verbundener Bläschen, welche eine Flüssigkeit beinhalten. Darüber hinaus existieren Handschuhe zum Schutz vor Hitze und mechanischen Einwirkungen, wie beispielsweise die Ausführung gemäß der WO 93/05670 A1 oder Handschuhe, welche eine erhöhte Griffigkeit und Haftfähigkeit aufweisen. Ein derartiger Handschuh, insbesondere Torwarthandschuh ist beispielsweise in der WO 95/34228 A1 beschrieben.Devices for protecting the human body are, for example, as protectors for Motorcyclists known that the force on the body in accidents with a Mitigate the motorcycle rider's impact. DE 196 47 724 A1 describes protectors for Motorcycle protective clothing, which are made of elastomers and for a better Adaptability a base with elevations towards the motorcyclist's body exhibit. Protectors of this type serve to protect against knocks or impacts. For Reduction of vibrations are known gloves, which for example according to US 5 632 045 A contain at least two layers of a damping material, one of which Layer of viscoelastic material and a layer of foam. A other construction of a glove according to US 5,537,688 A includes a variety interconnected vesicles containing a liquid. Furthermore gloves exist to protect against heat and mechanical influences, such as For example, the version according to WO 93/05670 A1 or gloves, which a have increased grip and adhesion. Such a glove, in particular Goalkeeper glove is described for example in WO 95/34228 A1.

Das Gebiet der vorliegenden Erfindung betrifft sowohl den Vibrationsschutz von Gegenständen als auch den Schutz von zumindest Teilen des menschlichen oder tierischen Körpers. Die Ursache der Vibrationen ist dabei beliebig, meist handelt es sich um bewegte Systeme, welche als Nebenerscheinung unerwünschte Vibrationen hervorrufen. Man ist bestrebt, durch entsprechende Konstruktionen der bewegten Systeme diese Vibrationen gering zu halten bzw. die Frequenz der Vibrationen in Bereiche zu verschieben, wo sie weniger Nachteile mit sich bringen. Ganz auszuschließen sind die Vibrationen allerdings nicht. Daher wird mit verschiedenen Mitteln versucht, eine Weiterleitung der Schwingungen an andere Gegenstände bzw. an den Menschen zu unterbinden bzw. nur zu einem reduzierten Anteil zuzulassen. The field of the present invention relates both to the vibration protection of Objects as well as protecting at least parts of human or animal Body. The cause of the vibrations is arbitrary, mostly it is moving Systems that cause unwanted vibrations as a by-product. One is strives to minimize these vibrations by appropriate constructions of the moving systems to maintain or shift the frequency of vibrations to areas where they are less Bring disadvantages. However, the vibrations cannot be completely ruled out. Therefore attempts are made to transmit the vibrations to others using various means To prevent objects or to humans or only to a reduced extent allow.

Insbesondere bei der Bedienung vibrierender Werkzeuge, wie z.B. Schleifmaschinen od. dgl., kommt es häufig zu vorübergehenden oder chronischen Schädigungen der Personen, welche diese Maschinen bedienen. Diese Schädigungen sind als Handarmvibrationssyndrom bekannt. Die Folge solcher Schädigungen sind häufige Krankenstände, geringere Leistungsfähigkeit und Schadensersatzforderungen, welche einen großen wirtschaftlichen Verlust bedeuten.Especially when operating vibrating tools, e.g. Grinding machines or the like, there is often temporary or chronic damage to people, which operate these machines. These injuries are known as hand arm vibration syndrome. The consequences of such damage are frequent sick leave and reduced performance and claims for damages that represent a major economic loss.

Das Gebiet ist allerdings nicht nur auf vibrierende Maschinen beschränkt. Beispielsweise können die Einrichtungen auch zum Schutz vor Vibrationen bei Fahrzeugen od. dgl. dienen.However, the area is not limited to vibrating machines. For example the devices can also serve to protect against vibrations in vehicles or the like.

Die Vibrationen können hinsichtlich ihrer Frequenz unterteilt werden in solche, welche im mittleren Frequenzbereich von etwa 31,5 bis 200 Hz auftreten und solche, welche im hohen Frequenzbereich über 200 Hz auftreten. Derzeit erhältliche Schutzeinrichtungen, wie z.B. Antivibrationshandschuhe, sind so ausgelegt, daß die Vibrationen im mittleren Frequenzbereich nicht verstärkt werden und jene im hohen Frequenzbereich zu einem gewissen Prozentsatz abgesenkt werden. Es sind eine Reihe von Antivibrationshandschuhen bekannt, welche mittels verschiedener Materialien in verschiedenen Materialstärken eine Dämpfung der Vibration bewirken. Beispielsweise werden Formteile aus Polyurethan, Elastomeren, Silikongel oder Polyolefin in den Handschuh eingelegt. Um eine ausreichende Vibrationsdämpfung zu erreichen, sind diese Formteile meist sehr dick, wodurch die Beweglichkeit extrem eingeschränkt wird. Dies ist bei der Anwendung als Handschuh nicht tolerierbar. Werden hingegen die Formteile so dünn gefertigt, daß eine wesentliche Einschränkung der Bewegungsfreiheit nicht gegeben ist, ist die Vibrationsdämpfung nicht ausreichend. Es sind auch Fälle bekannt, bei denen die Einrichtung zum Schutz vor Vibrationen diese in bestimmten Frequenzbereichen sogar erhöhen.The vibrations can be divided in terms of their frequency into those, which in the medium frequency range of about 31.5 to 200 Hz occur and those in the high Frequency range above 200 Hz occur. Protective devices currently available, e.g. Anti-vibration gloves are designed so that the vibrations in the middle Frequency range are not amplified and those in the high frequency range to one certain percentage can be reduced. There are a number of anti-vibration gloves known which a by means of different materials in different material thicknesses Dampen the vibration. For example, molded parts made of polyurethane, Elastomers, silicone gel or polyolefin inserted in the glove. To be sufficient To achieve vibration damping, these molded parts are usually very thick, which means that Mobility is extremely restricted. This is not the case when used as a glove tolerable. However, the molded parts are made so thin that an essential There is no restriction on freedom of movement, vibration damping is not sufficient. There are also known cases where the facility is used to protect against Vibrations even increase them in certain frequency ranges.

Ziel der vorliegenden Erfindung ist es daher, eine Einrichtung zum Schutz vor Vibrationen zu schaffen, mit welcher auch im niedrigen Frequenzbereich der Vibrationen eine deutliche Dämpfung der Vibrationen erzielt werden kann. Darüber hinaus soll die Einrichtung zum Schutz vor Vibrationen derart gestaltet sein, daß eine weitestgehende Bewegungsfreiheit bei der Anwendung am menschlichen Körper gegeben ist, aber auch bei Anwendung direkt an Maschinen od. dgl. keine mechanische Blockierung stattfindet. The aim of the present invention is therefore to provide a device for protection against vibrations create with which a clear even in the low frequency range of vibrations Damping of the vibrations can be achieved. In addition, the facility for Protection against vibration should be designed so that the greatest possible freedom of movement is given to the human body, but also directly to the application Machines or the like. No mechanical blocking takes place.

Gelöst wird die erfindungsgemäße Aufgabe dadurch, daß zumindest eine vibrationsdämpfende Schicht zumindest an der, dem zu schützenden Gegenstand oder Körperteil abgewiesenen Oberfläche Einschnitte zur Entkoppelung von Bewegungen in zumindest einer Richtung in der Ebene der genannten Oberfläche aufweist. Durch die Verwendung einer vibrationsdämpfenden Schicht mit den erfindungsgemäßen Einschnitten wird erreicht, daß Vibrationen auch im niedrigen Frequenzbereich, d.h. von etwa 31,5 bis 200Hz ausreichend gedämpft werden und darüber hinaus eine weitestgehende Bewegungsfreiheit gegeben ist. Die, durch die Einschnitte unterbrochene Oberfläche der vibrationsdämpfenden Schicht steht in direktem oder indirektem Kontakt mit der Vibrationsquelle, sodaß die Vibrationen wirkungsvoll gedämpft werden können. Bei der Anwendung der erfindungsgemäßen Einrichtung zum Schutz vor Vibrationen als vibrationsdämpfender Handschuh können somit vibrationsbedingte Verletzungen vermieden werden und die Arbeiten in längeren Intervallen ohne oftmalige Pausen durchgeführt werden, ohne daß der Arbeiter einer Gefahr ausgesetzt wird. Vorteilhafterweise sind die Einschnitte entsprechend der Geometrie und gewünschten Beweglichkeit des zu schützenden Gegenstandes oder Körperteils angeordnet.The object of the invention is achieved in that at least one vibration damping layer at least on the object to be protected or Body part rejected surface incisions for decoupling movements in has at least one direction in the plane of said surface. Through the Use of a vibration-damping layer with the incisions according to the invention it is achieved that vibrations even in the low frequency range, i.e. from about 31.5 to 200Hz are sufficiently attenuated and, moreover, as far as possible Freedom of movement is given. The surface of the surface interrupted by the incisions vibration damping layer is in direct or indirect contact with the Vibration source, so that the vibrations can be effectively dampened. In the Application of the device for protection against vibration as vibration-dampening gloves can thus avoid vibration-related injuries and the work is carried out at longer intervals without frequent breaks, without putting the worker at risk. The incisions are advantageous according to the geometry and desired mobility of the person to be protected Arranged object or body part.

Gemäß einem weiteren Merkmal der Erfindung beträgt die Tiefe der Einschnitte mindestens 60%, vorzugsweise mindestens 80% und besonders bevorzugt mindestens 95% der Dicke der vibrationsdämpfenden Schicht. Dadurch wird eine bessere Entkoppelung der Bewegungen an der Oberfläche der vibrationsdämpfenden Schicht und somit eine bessere Vibrationsdämpfung sowie eine höhere Bewegungsfreiheit erzielt.According to a further feature of the invention, the depth of the incisions is at least 60%, preferably at least 80% and particularly preferably at least 95% of the thickness of the vibration damping layer. This will result in better decoupling of the movements the surface of the vibration damping layer and thus better vibration damping as well as greater freedom of movement.

Die Breite der Einschnitte ist dabei mindestens so groß, daß bei maximal möglicher Verformung der vibrationsdämpfenden Schicht die zwischen den Einschnitten liegenden Ausformungen der Schicht zumindest zum Teil voneinander entkoppelt sind. Dadurch wird selbst bei einer Verformung der Schicht eine optimale vibrationsdämpfende Wirkung erzielt.The width of the incisions is at least so large that at maximum possible Deformation of the vibration-damping layer lying between the incisions Formations of the layer are at least partially decoupled from one another. This will achieves an optimal vibration-damping effect even when the layer is deformed.

Wenn die Breite der Einschnitte in Richtung der Oberfläche der vibrationsdämpfenden Schicht zunimmt, kann eine Entkoppelung der Ausformungen auch bei Verformung der Schicht erreicht werden. If the width of the incisions towards the surface of the vibration damping Layer increases, a decoupling of the formations even when the Layer can be reached.

Gemäß einem weiteren Merkmal der Erfindung besteht zumindest eine vibrationsdämpfende Schicht aus einer dreidimensionalen Elastomermatrix, vorzugsweise auf Basis von Polynorbonen, mit eingelagerten vibrationsdämpfenden Weichmachem. Im Gegensatz zu gelförmigen Materialgruppen, welche ein beschränktes Rückstellverhalten haben, wird durch eine vemetzte Elastomermatrix eine bessere Formstabilität erzielt. Durch die Anwendung einer derartigen vemetzten Struktur ist es möglich, eine optimale Schwingungsdämpfung auch in den unteren Frequenzbereichen zu erzielen. Dies wird dadurch erreicht, daß das schwingungsdämpfende Medium, in diesem Fall der vibrationsdämpfende Weichmacher, in der dreidimensionalen, vemetzten Elastomermatrix eingelagert wird.According to a further feature of the invention, there is at least one vibration-damping device Layer of a three-dimensional elastomer matrix, preferably based on Polynorbones, with embedded vibration-damping plasticizers. In contrast to gel-like material groups, which have a limited resetting behavior, is characterized by a cross-linked elastomer matrix achieves better dimensional stability. Through the application With such a cross-linked structure, it is also possible to achieve optimal vibration damping to achieve in the lower frequency ranges. This is achieved in that the vibration damping medium, in this case the vibration damping plasticizer, in the three-dimensional, cross-linked elastomer matrix.

Gute Ergebnisse werden erzielt, wenn zumindest eine vibrationsdämpfende Schicht eine Härte von höchstens 18 Shore A, vorzugsweise 5 Shore A und eine Rückprallelastizität von maximal 10 %, vorzugsweise 3 % aufweist.Good results are achieved if at least one vibration-damping layer is hard of at most 18 Shore A, preferably 5 Shore A and a rebound resilience of has a maximum of 10%, preferably 3%.

Gemäß einem weiteren Merkmal der Erfindung beträgt die Oberfläche der vibrationsdämpfenden Schicht 20% bis 80%, vorzugsweise 30% der Grundfläche der vibrationsdämpfenden Schicht. Je kleiner die Oberfläche der vibrationsdämpfenden Schicht ist, desto besser ist die Beweglichkeit der Schutzeinrichtung. Demgegenüber muß die Oberfläche aber ein gewisses Mindestmaß aufweisen, sodaß die Funktionalität und die Übertragung einer Haltekraft über die Schutzeinrichtung, insbesondere bei der Verwendung als Handschuh, erhalten bleibt. Dies wird dadurch unterstützt, daß bei Wahl einer geringen Oberfläche der vibrationsdämpfenden Schicht ein härteres Material und bei Wahl einer größeren Oberfläche ein weicheres Material verwendet wird. Als besonders geeignet hat sich bei einem Flächenanteil der zum vibrierenden Gegenstand weisenden Oberfläche von 20% an der Grundfläche der vibrationsdämpfenden Schicht die Verwendung eines Materials mit einer Härte von 18 Shore A, bei 30% Flächenanteil ein Material mit einer Härte von 5 Shore A und schließlich bei 80% Flächenanteil ein Material mit einer Härte von 3 Shore A herausgestellt.According to a further feature of the invention, the surface is vibration damping layer 20% to 80%, preferably 30% of the base of the vibration damping layer. The smaller the surface of the vibration damping layer the better the mobility of the protective device. In contrast, the Surface have a certain minimum size, so that the functionality and the Transfer of a holding force via the protective device, especially when used as a glove, is preserved. This is supported by the fact that when choosing a small one Surface of the vibration damping layer is a harder material and if you choose one larger surface a softer material is used. Has proven to be particularly suitable with an area percentage of the surface facing the vibrating object of 20% the base of the vibration damping layer the use of a material with a Hardness of 18 Shore A, with a surface area of 30% a material with a hardness of 5 Shore A and finally, with a surface area of 80%, a material with a hardness of 3 Shore A was identified.

Anhand der beiliegenden Abbildungen wird die Erfindung näher erläutert. Darin zeigen:

Fig. 1
eine Ausführungsform einer erfindungsgemäßen vibrationsdämpfenden Schicht für die Anwendung in einem vibrationsdämpfenden Handschuh in der Draufsicht,
Fig. 2
ein Schnittbild der Schicht entlang der Schnittlinie II-II aus Fig. 1,
Fig. 3
das Detail A aus Fig. 2 in vergrößerter Darstellung, und
Fig. 4
eine Darstellung eines Teils einer erfindungsgemäßen vibrationsdämpfenden Schicht zur Veranschaulichung der gewünschten Beweglichkeit.
The invention is explained in more detail with the aid of the attached figures. In it show:
Fig. 1
an embodiment of a vibration-damping layer according to the invention for use in a vibration-damping glove in plan view,
Fig. 2
2 shows a sectional view of the layer along the section line II-II from FIG. 1,
Fig. 3
the detail A of FIG. 2 in an enlarged view, and
Fig. 4
a representation of part of a vibration-damping layer according to the invention to illustrate the desired mobility.

Fig. 1 zeigt eine Ausführungsform einer erfindungsgemäßen vibrationsdämpfenden Schicht 1 für die Anwendung in einem vibrationsdämpfenden Handschuh in der Draufsicht. Die vibrationsdämpfende Schicht 1 hat im wesentlichen die Form einer menschlichen Hand und weist erfindungsgemäß an einer Oberfläche Einschnitte 2 auf, welche entsprechend der gewünschten Bewegung bzw. der Geometrie des zu schützenden Objektes, in diesem Fall der menschlichen Hand, angeordnet sind. Durch die Anordnung einer Vielzahl von Einschnitten 2 resultiert eine Vielzahl von zwischenliegenden Ausformungen 3. Die vibrationsdämpfende Schicht 1 ist dabei so gestaltet, daß die Oberfläche 4 der Ausformungen 3 im wesentlichen parallel zur Grundfläche 5 der Schicht 1 liegt. Die resultierende Oberfläche 4 der Ausformungen 3 soll dabei möglichst groß sein, sodaß eine möglichst große Berührungsfläche zum vibrierenden Gegenstand resultiert. Die Schnittbilddarstellung gemäß Fig. 2 zeigt ein Beispiel für die Querschnittsform der Einschnitte 2. Durch die erfindungsgemäße Ausgestaltung der vibrationsdämpfenden Schicht 1 wird erreicht, daß die in Richtung des Inneren der Schicht 1 orientierten Schwingungen durch das geeignete Material absorbiert werden und zusätzlich eine Fortpflanzung der in Richtung der Ebene der Oberfläche 4 der Schicht 1 orientierten Schwingungen wirkungsvoll unterbunden wird. Die Bewegungen an der Oberfläche 4 werden an den Einschnitten 2 teilweise ins Innere der vibrationsdämpfenden Schicht 1 gezwungen, wo zum Beispiel eine Umwandlung der Vibrationsenergie in Wärme stattfindet. Untersuchungen haben gezeigt, daß durch die erfindungsgemäße Einrichtung Vibrationen sowohl im mittleren als auch im hohen Frequenzbereich deutlich reduziert werden und daß trotzdem die Bewegungsfreiheit insbesondere bei der Anwendung in einem Handschuh gegeben bleibt.1 shows an embodiment of a vibration-damping layer 1 according to the invention for use in a vibration-damping glove in top view. The Vibration damping layer 1 has essentially the shape of a human hand and according to the invention has incisions 2 on one surface which correspond to the desired movement or the geometry of the object to be protected, in this case the human hand, are arranged. By arranging a large number of incisions 2 results in a multitude of intermediate formings 3. The vibration-damping Layer 1 is designed so that the surface 4 of the formations 3 essentially is parallel to the base 5 of layer 1. The resulting surface 4 of the Formations 3 should be as large as possible so that the largest possible Contact surface to the vibrating object results. The sectional view according to Fig. 2 shows an example of the cross-sectional shape of the incisions 2. By the Design of the vibration-damping layer 1 according to the invention ensures that the in the direction of the interior of the layer 1 oriented vibrations by the appropriate Material will be absorbed and additionally propagate towards the plane of the Surface 4 of the layer 1 oriented vibrations is effectively prevented. The Movements on the surface 4 are partially at the incisions 2 inside the vibration damping layer 1 forced where, for example, a conversion of the Vibration energy takes place in heat. Studies have shown that the device according to the invention vibrations in both the medium and high Frequency range can be significantly reduced and still freedom of movement especially when used in a glove.

In Fig. 3, welche das Detail A aus Fig. 2 in vergrößertem Maßstab zeigt, sind bevorzugte Dimensionsverhältnisse näher erläutert. Dabei nimmt die Tiefe T der Einschnitte 2 einen Großteil der Dicke D der vibrationsdämpfenden Schicht 1 ein. Vorteilhafterweise beträgt die Tiefe T zumindest 60%, vorzugsweise zumindest 80% und besonders bevorzugt mindestens 95% der Dicke D der Schicht 1. Die Breite B der Einschnitte ist dabei möglichst gering, sodaß eine möglichst große Oberfläche 4 resultiert, über welche die Vibrationen aufgenommen werden können aber gleichzeitig auch mindestens so groß, daß eine Übertragung von Bewegungen in Richtung der Ebene der Oberfläche 4 nicht von einer Ausformung 3 zur danebenliegenden Ausformung 3 stattfindet. Wenn die vibrationsdämpfende Schicht 1 einer Bewegung ausgesetzt sein kann, wie dies bei einem vibrationsdämpfenden Handschuh natürlich der Fall ist, müssen für eine ausreichende Entkopplung derartiger Bewegungen in Richtung der Ebene der Oberfläche 4 der Schicht 1 die Einschnitte 2 mindestens so breit gewählt werden, daß auch bei maximal möglicher Verformung der Schicht 1 keine Berührung der Ausformungen 3 stattfindet. Natürlich ist eine stellenweise Berührung tolerierbar, für eine optimale Vibrationsdämpfung sollte allerdings der Großteil der Ausformungen 3 voneinander entkoppelt sein. Für optimale Beweglichkeit der Schicht 1 sind die Einschnitte 2 vorzugsweise so gestaltet, daß deren Breite B in Richtung der Oberfläche 4 der Schicht 1 zunimmt. Dies kann z.B. durch trapezförmige Gestaltung erreicht werden, wobei die Einschnitte 2 an der Oberfläche 4 eine Breite B1 aufweisen, welche größer ist als die Breite B2 in der Tiefe des Einschnittes 2. Anstelle eines trapezförmigen Verlaufes kann auch ein gekrümmter oder anders geformter Verlauf des Querschnittes der Einschnitte 2 gewählt werden.Preferred dimensions are explained in more detail in FIG. 3, which shows detail A from FIG. 2 on an enlarged scale. The depth T of the incisions 2 takes up a large part of the thickness D of the vibration-damping layer 1. The depth T is advantageously at least 60%, preferably at least 80% and particularly preferably at least 95% of the thickness D of the layer 1. The width B of the incisions is as small as possible, so that the largest possible surface 4 results, via which the vibrations are absorbed but can at the same time also be at least large enough that a transmission of movements in the direction of the plane of the surface 4 does not take place from a formation 3 to the adjacent formation 3. If the vibration-damping layer 1 can be subjected to movement, as is naturally the case with a vibration-damping glove, the incisions 2 must be selected at least as wide for sufficient decoupling of such movements in the direction of the plane of the surface 4 of the layer 1 that also with maximum possible deformation of the layer 1 there is no contact of the formations 3. Of course, a touch in places is tolerable, however, for optimal vibration damping, the majority of the formations 3 should be decoupled from one another. For optimum mobility of the layer 1, the incisions 2 are preferably designed such that their width B increases in the direction of the surface 4 of the layer 1. This can be achieved, for example, by a trapezoidal design, the incisions 2 on the surface 4 having a width B 1 which is greater than the width B 2 in the depth of the incision 2. Instead of a trapezoidal course, a curved or differently shaped course can also be used the cross section of the incisions 2 can be selected.

Fig. 4 zeigt einen Grenzfall, bei dem eine maximale Verformung der Schicht 1 dargestellt ist. Bei der Anwendung in einem Handschuh ist diese maximale Verformung zum Beispiel durch die maximal mögliche Krümmung der Finger bedingt. Die Gestalt der Einschnitte 2 ist dabei vorzugsweise so gewählt, daß auch bei einer derartigen maximalen Verformung eine gewisse Mindestbreite Bmin der Einschnitte 2 resultiert, sodaß auch in diesem Zustand der Schicht 1 eine gegenseitige Entkoppelung der Ausformungen 3 stattfindet.4 shows a borderline case in which a maximum deformation of layer 1 is shown. When used in a glove, this maximum deformation is caused, for example, by the maximum possible curvature of the fingers. The shape of the incisions 2 is preferably selected so that even with such a maximum deformation, a certain minimum width B min of the incisions 2 results, so that in this state of the layer 1 there is a mutual decoupling of the formations 3.

Natürlich können im Rahmen der Erfindung verschiedene Abänderungen vorgenommen werden. Beispielsweise können mehrere Schichten 1 übereinander angeordnet werden, wobei unterschiedliche Materialien oder Materialkombinationen zum Einsatz kommen können. Die erfindungsgemäßen Einschnitte 2 können auch an beiden Oberflächen 4, 5 der vibrationsdämpfenden Schicht 1 angeordnet sein. Die Anwendungen der Erfindung sind auch nicht auf Handschuhe beschränkt. Vielmehr sind derartige Einrichtungen zum Schutz vor Vibrationen vielseitig anwendbar, wie z.B. bei Handgriffen von Motorrädem, Sitzen von Fahrzeugen oder vieles mehr.Of course, various changes can be made within the scope of the invention become. For example, several layers 1 can be arranged one above the other, whereby different materials or material combinations can be used. The Incisions 2 according to the invention can also on both surfaces 4, 5 of the vibration damping layer 1 may be arranged. The applications of the invention are also not limited to gloves. Rather, such devices are designed to protect against Vibrations can be used in a variety of ways, e.g. with handles of motorcycles, seats of Vehicles or more.

Claims (7)

Einrichtung zum Schutz von Gegenständen oder Körperteilen vor Vibrationen, insbesondere vibrationsdämpfender Handschuh bzw. Antivibrationshandschuh, mit zumindest einer vibrationsdämpfenden Schicht (1), dadurch gekennzeichnet, daß zumindest eine vibrationsdämpfende Schicht (1) zumindest an der, dem zu schützenden Gegenstand oder Körperteil abgewiesenen Oberfläche (4) Einschnitte (2) zur Entkoppelung von Bewegungen in zumindest einer Richtung in der Ebene der genannten Oberfläche (4) aufweist.Device for protecting objects or parts of the body against vibrations, in particular vibration-damping glove or anti-vibration glove, with at least one vibration-damping layer (1), characterized in that at least one vibration-damping layer (1) at least on the one to be protected Object or body part rejected surface (4) incisions (2) for Decoupling movements in at least one direction in the plane of said Surface (4). Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Tiefe (T) der Einschnitte (2) mindestens 60%, vorzugsweise mindestens 80% und besonders bevorzugt mindestens 95% der Dicke (D) der vibrationsdämpfenden Schicht (1) beträgt.Device according to claim 1, characterized in that the depth (T) of the incisions (2) at least 60%, preferably at least 80% and particularly preferably at least 95% of the thickness (D) of the vibration-damping layer (1). Einrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Breite (B) der Einschnitte (2) mindestens so groß ist, daß bei maximal möglicher Verformung der vibrationsdämpfenden Schicht (1) die zwischen den Einschnitten (2) liegenden Ausformungen (3) der vibrationsdämpfenden Schicht (1) zumindest zum Teil voneinander entkoppelt sind.Device according to claim 1 or 2, characterized in that the width (B) of the Incisions (2) is at least so large that the maximum possible deformation of the vibration-damping layer (1) lying between the incisions (2) Formations (3) of the vibration-damping layer (1) at least in part are decoupled from each other. Einrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Breite (B) der Einschnitte (2) in Richtung der Oberfläche (4) der vibrationsdämpfenden Schicht (1) zunimmt.Device according to claim 3, characterized in that the width (B) of the incisions (2) increases in the direction of the surface (4) of the vibration-damping layer (1). Einrichtung nach mindestens einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß zumindest eine vibrationsdämpfende Schicht (1) aus einer dreidimensionalen Elastomermatrix, vorzugsweise auf Basis von Polynorbonen, mit eingelagerten vibrationsdämpfenden Weichmachern besteht.Device according to at least one of claims 1 to 4, characterized in that at least one vibration-damping layer (1) made of a three-dimensional Elastomer matrix, preferably based on polynorbones, with embedded vibration-dampening plasticizers. Einrichtung nach mindestens einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß zumindest eine vibrationsdämpfende Schicht (1) eine Härte von höchstens 18 Shore A, vorzugsweise 5 Shore A und eine Rückprallelastizität von maximal 10 %, vorzugsweise 3 % aufweist. Device according to at least one of claims 1 to 5, characterized in that at least one vibration-damping layer (1) has a hardness of at most 18 Shore A, preferably 5 Shore A and a rebound resilience of at most 10%, preferably 3 % having. Einrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Oberfläche (4) der vibrationsdämpfenden Schicht (1) 20% bis 80%, vorzugsweise 30% der Grundfläche der vibrationsdämpfenden Schicht (1) beträgt.Device according to one of claims 1 to 6, characterized in that the Surface (4) of the vibration-damping layer (1) 20% to 80%, preferably 30% the base of the vibration-damping layer (1).
EP99890241A 1998-08-11 1999-07-20 Device to protect objects or body parts from vibrations Expired - Lifetime EP0981972B1 (en)

Priority Applications (1)

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AT99890241T ATE248532T1 (en) 1998-08-11 1999-07-20 DEVICE FOR PROTECTING OBJECTS OR PARTS OF THE BODY FROM VIBRATIONS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0138398A AT408502B (en) 1998-08-11 1998-08-11 DEVICE FOR PROTECTING OBJECTS OR BODY PARTS FROM VIBRATIONS
AT138398 1998-08-11

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EP0981972A1 true EP0981972A1 (en) 2000-03-01
EP0981972B1 EP0981972B1 (en) 2003-09-03

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EP (1) EP0981972B1 (en)
AT (2) AT408502B (en)
CA (1) CA2278273C (en)
DE (1) DE59906833D1 (en)
ES (1) ES2205757T3 (en)

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Also Published As

Publication number Publication date
CA2278273A1 (en) 2000-02-11
AT408502B (en) 2001-12-27
ATA138398A (en) 2001-05-15
EP0981972B1 (en) 2003-09-03
DE59906833D1 (en) 2003-10-09
ATE248532T1 (en) 2003-09-15
CA2278273C (en) 2005-03-15
ES2205757T3 (en) 2004-05-01
US6202217B1 (en) 2001-03-20

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