EP2807002B1 - Cutting tool - Google Patents

Cutting tool Download PDF

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Publication number
EP2807002B1
EP2807002B1 EP13710778.5A EP13710778A EP2807002B1 EP 2807002 B1 EP2807002 B1 EP 2807002B1 EP 13710778 A EP13710778 A EP 13710778A EP 2807002 B1 EP2807002 B1 EP 2807002B1
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EP
European Patent Office
Prior art keywords
edge
blade
cutting
cutting tool
scraping
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.)
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Application number
EP13710778.5A
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German (de)
French (fr)
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EP2807002A1 (en
Inventor
Peter Schekalla
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Martor KG
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Martor KG
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Publication of EP2807002A1 publication Critical patent/EP2807002A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B3/00—Hand knives with fixed blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B3/00—Hand knives with fixed blades
    • B26B3/08—Hand knives with fixed blades specially adapted for cutting cardboard, or wall, floor, or like covering materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B11/00—Hand knives combined with other implements, e.g. with corkscrew, with scissors, with writing implement
    • B26B11/006—Several functions combined in the blade

Definitions

  • Such a cutting tool is known from the DE 20309701 U1 ,
  • the cutting tool has a cutting edge, which is accessible via a guide channel.
  • the guide channel is dimensioned such that a user can not injure himself on the cutting edge.
  • the cutting material can be drawn into the guide channel and fed to the cutting edge.
  • the cutting tool is provided with a second tool in the form of a projection to sever materials that can not be cut with the first tool.
  • a cutting tool according to the preamble of claim 1 is also known from DE 203 20 037 U1 known. It was an object of the invention to provide a cutting tool that is simple and inexpensive to produce and allows a wide range of applications.
  • the cutting tool comprises a handle and at least one blade.
  • the blade has at least one cutting edge.
  • the cutting edge is sharp so that objects can be cut.
  • the blade is recessed into at least one outer surface of the cutting tool in the interior of the cutting tool.
  • At least one cutting channel is formed on the cutting tool, via which cutting material the blade can be fed.
  • the cutting edge limits the channel end.
  • the channel limits access to the cutting edge.
  • the cutting edge is inaccessible to a user when the Cutting channel is formed only so broad that, for example, a finger is not movable through the channel in contact with the cutting edge.
  • the cutting channel is e.g. formed and limited by guide surfaces of the blade holder and / or guide surfaces of the handle of the cutting tool. For example, a first and a second cutting channel are formed on the cutting tool. It is then possible to hold the cutting tool in two positions to perform a cutting operation.
  • the cutting edge is e.g. aligned such that by a movement of the cutting tool in a first direction, a cutting operation is carried out.
  • the first direction is e.g. a pulling movement directed towards the user.
  • the cutting tool additionally comprises at least one scraping edge.
  • the scraping edge is e.g. formed dull. The user can not hurt himself at the scraping edge.
  • coverings can be scraped off a base material. For example, are with the scraping edge adhesive remnants of a base material removable.
  • the scraping process is e.g. by a movement of the cutting tool in a second direction feasible.
  • the second direction is e.g. a pushing movement directed away from the user.
  • Blade according to the invention is a provided with a cutting edge and / or with a scraping edge part.
  • the blade e.g. Metal or ceramic into consideration.
  • the blade can e.g. be formed by a band steel blade.
  • the material thickness of the blade can e.g. between 0.2 mm and 0.7 mm, in particular about 0.3 mm.
  • the blade may have one or more openings for attachment of the blade to a blade holder or to the handle.
  • the blade is, for example, form-fitting fastened to the blade holder.
  • the openings are eg when encapsulating the blade flows through plastic with plastic material. After cooling of the plastic, a positive attachment is formed in this way.
  • An embodiment is characterized in that the scraping edge is associated with a blade.
  • the scraping edge can be manufactured separately in this way and attached to the cutting tool during assembly.
  • the cutting tool can be manufactured by overmolding at least one blade with plastic and thus forming the blade holder and the handle.
  • At least one blade are molded with plastic, so that a blade holder is formed.
  • the blade holder may e.g. then be overmoulded with plastic again to form the handle.
  • the blade holder can be positively or materially attached to a handle made of plastic or metal.
  • the blade holder may e.g. be latched or glued to the handle. In this way, e.g. the blade holder and the handle are made in different colors and different materials.
  • the cutting edge and the scraping edge are associated with the same blade.
  • the cutting tool is then easy and inexpensive to produce.
  • the blade may for example be formed by a conventional steel band blade. Then at least a portion of a sharpened edge may be used as a cutting edge.
  • the blade may be disposed in the cutting tool such that two portions of the cutting edge are accessible to cutting material and may be used for cutting. An unsharpened or blunt edge of the same blade can be used as a scraper, for example.
  • An embodiment is characterized in that the cutting edge and / or the scraping edge are arranged substantially transversely to a longitudinal axis of the cutting tool.
  • the cutting edge and / or the scraping edge have e.g. a right angle to the longitudinal axis of the cutting tool on.
  • the cutting edge and / or the scraping edge may be e.g. make an acute angle with the longitudinal axis of the cutting tool.
  • the cutting edge and / or the scraping edge may form an obtuse angle with the longitudinal axis of the cutting tool.
  • the longitudinal axis is e.g. formed by the central axis of the handle of the cutting tool.
  • An embodiment of the invention is characterized in that the cutting edge and the scraping edge are aligned in parallel.
  • point the cutting edge and the scraping edge in opposite directions are e.g. the cutting edge and the scraping edge are straight, they respectively point in a direction perpendicular to the straight line.
  • the working directions of the cutting edge and the scraping edge are directed in opposite directions. It is e.g. possible, a cutting edge of a blade as a cutting edge and an opposite, e.g. parallel edge of a blade to use as a scraper.
  • the cutting process is e.g. by a movement of the cutting tool in a first direction and the scraping process by a movement of the cutting tool in a second direction feasible.
  • the first direction is directed opposite to the second direction.
  • An embodiment is characterized in that at least one blade holder is provided for the blade.
  • the blade holder is configured to support the blade.
  • the blade holder includes at least a first land that supports substantially the entire length of the blade.
  • the support arm includes at least a second land which at least part of the blade in one direction transverse to the longitudinal extent of the blade supports.
  • the second web may be provided, for example, at an edge region of the blade.
  • the blade holder can form guide surfaces of the channel, for example. The guide surfaces are associated, for example, the first web or the second web.
  • Another embodiment of the invention is characterized in that at least one edge region of the scraping edge is rounded and forms a scored edge.
  • foils e.g. Adhesive tape, separable.
  • the cutting tool as a whole is denoted by the reference numeral 10 in the figures.
  • Like reference numerals in the various figures indicate corresponding parts even with the addition or omission of small letters.
  • the cutting tool 10 comprises a handle 11 and a blade holder 22, which is arranged on an end region 12 of the cutting tool 10. On the blade holder 22, a blade 15 is attached.
  • the blade 15 are associated with cutting edges 13a, 13b and a scraping edge 14.
  • the cutting edges 13a and 13b are formed by a cutting edge of a straight cutting edge of a band steel blade.
  • the scraping edge 14 is also formed.
  • the cutting edges 13 a and 13 b are formed parallel to the scraping edge 14.
  • Each blade 13a and 13b is accessible via a channel 26 having guide surfaces 27 and 28.
  • the cutting edge 13a or 13b and the guide surfaces 27 and 28 define the respective channel 26.
  • a central axis E of the channel has an angle ⁇ to the central axis M. ⁇ is e.g. an acute angle, in particular ⁇ is about 45 °.
  • a width h of the channel 26 at right angles to the central axis E is e.g. such that a finger of the user is not movable into the channel 26 to the cutting edge 13a or 13b.
  • the handle 11 includes side surfaces 16.
  • the side surfaces 16 are provided with a rib-shaped structure 17 which prevents slippage of the user's fingers. Also on narrow sides 29, a rib-shaped structure 31 is provided.
  • an opening 18 is formed, by means of which the cutting tool 10 can be hung, for example, on a hook.
  • the handle 11 is largely enclosed by a rim 19.
  • the edge 19 encloses a central region 35 of the handle 11 approximately C-shaped.
  • the edge 19 is convexly curved on a side facing away from the central axis M side, so that the handle 11 can be easily grasped in any holding position.
  • the blade holder 22 is formed of plastic and has an extension 20 (see the Fig. 3 and 5 ) with attachment structures, which are formed in the form of recesses 21 in the present embodiment. Furthermore, the blade holder includes web portions 33 and a web portion 34. The web portions 33 support the blade 15 over a blade width b against deformation. In addition, the land portions 33 protect against inadvertent contact with the blade 15 and form the guide surfaces 27 of the channel 26. The land portion 34 supports the blade 15 over a length I against deformation. In addition, web portion 34 forms lead-off slopes 30 which divert the severed material away from the blade surface.
  • the guide surface 28 is formed by a central region 37 of the blade holder 22 and by a region of the handle 11.
  • the attachment of the blade holder 22 to the handle 11 may be e.g. take place by the extension 20 of the blade holder 22 is encapsulated with plastic.
  • the plastic of the handle 11 then surrounds the extension 20 and passes through the recesses 21st
  • the blade holder 22 is also positively attached to the handle 11, e.g. be locked.
  • the blade holder 22 and the handle 11 in this case have corresponding attachment means, e.g. are releasably or permanently attached to each other.
  • the blade holder 22 and the handle 11 are e.g. positively connected or glued together.
  • the blade 15 has openings 23, 24 and 25.
  • the openings 23, 24 and 25 are used for attachment to the blade holder 22.
  • the openings 23, 24 and 25 are penetrated by plastic of the blade holder.
  • the manufacture of the cutting tool 10 will be described below.
  • the blade 15 is inserted in such a form, not shown, that dimensionally stable pins pass through the openings 23 and thereby fix the blade 15.
  • the blade 15 is encapsulated in plastic.
  • the cooled plastic forms the blade holder 22.
  • openings 32 are formed after demolding.
  • the blade holder 22 is in turn encapsulated in plastic.
  • the cooled plastic then forms the handle 11.
  • the blade holder 22 can also be attached to the handle 11 in a form-fitting manner, as already described above.
  • the material to be cut is drawn by pulling the cutting tool 10 into one of the channels 26a or 26b and cut with the cutting edge 13a or 13b.
  • a pulling movement in this case means that the movement has at least portions which are directed parallel to the central axis M of the cutting tool 10 in the direction x1.
  • a pressing movement is performed with the cutting tool 10.
  • a pushing movement means that the movement has at least portions which are directed parallel to the central axis M in the direction x2.
  • a finger on the side surface 16 rest to exert pressure on the scraping edge 14.
  • the direction x2 is directed opposite to the direction x1.
  • the scraping edge 14 is rounded at lateral edge regions and forms scoring edges 36 with which, for example, Tape or other films can be scratched.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Knives (AREA)

Description

Ein solches Schneidwerkzeug ist bekannt aus der DE 20309701 U1 . Das Schneidwerkzeug weist eine Schneide auf, die über einen Führungskanal zugänglich ist. Der Führungskanal ist derart dimensioniert, dass sich ein Benutzer nicht an der Schneide verletzen kann. Durch eine ziehende Bewegung kann das Schneidmaterial in den Führungskanal eingezogen und der Schneide zugeführt werden. Das Schneidwerkzeug ist mit einem zweiten Werkzeug in Form eines Vorsprungs versehen, um Materialien, die mit dem ersten Werkzeug nicht geschnitten werden können, zu zertrennen. Ein Schneidwerkzeug gemäß dem Oberbegriff von Anspruch 1 ist auch aus der DE 203 20 037 U1 bekannt. Es war Aufgabe der Erfindung, ein Schneidwerkzeug zu schaffen, das einfach und kostengünstig herstellbar ist und einen großen Anwendungsbereich ermöglicht.Such a cutting tool is known from the DE 20309701 U1 , The cutting tool has a cutting edge, which is accessible via a guide channel. The guide channel is dimensioned such that a user can not injure himself on the cutting edge. By a pulling movement, the cutting material can be drawn into the guide channel and fed to the cutting edge. The cutting tool is provided with a second tool in the form of a projection to sever materials that can not be cut with the first tool. A cutting tool according to the preamble of claim 1 is also known from DE 203 20 037 U1 known. It was an object of the invention to provide a cutting tool that is simple and inexpensive to produce and allows a wide range of applications.

Die Aufgabe wird gelöst durch ein Schneidwerkzeug mit den Merkmalen des Anspruchs 1.The object is achieved by a cutting tool having the features of claim 1.

Das Schneidwerkzeug umfasst einen Griff und mindestens einer Klinge. Die Klinge weist wenigstens eine Schneide auf. Die Schneide ist scharf, so dass damit Gegenstände zertrennbar sind. Die Klinge ist bezüglich wenigstens einer Außenfläche des Schneidwerkzeugs in das innere des Schneidwerkzeugs zurückversetzt angeordnet. An dem Schneidwerkzeug ist mindestens ein Schneidkanal ausgebildet, über welchen Schneidmaterial der Schneide zuführbar ist. Die Schneide begrenzt den Kanal endseitig. Der Kanal begrenzt den Zugang zu der Schneide. Die Schneide ist für einen Benutzer unzugänglich, wenn der Schneidkanal lediglich so breit ausgebildet ist, dass z.B ein Finger nicht durch den Kanal in Kontakt mit der Schneidkante bewegbar ist.The cutting tool comprises a handle and at least one blade. The blade has at least one cutting edge. The cutting edge is sharp so that objects can be cut. The blade is recessed into at least one outer surface of the cutting tool in the interior of the cutting tool. At least one cutting channel is formed on the cutting tool, via which cutting material the blade can be fed. The cutting edge limits the channel end. The channel limits access to the cutting edge. The cutting edge is inaccessible to a user when the Cutting channel is formed only so broad that, for example, a finger is not movable through the channel in contact with the cutting edge.

Der Schneidkanal ist z.B. von Führungsflächen des Klingenhalters und /oder von Führungsflächen des Griffs des Schneidwerkzeugs gebildet und begrenzt. Z.B. sind ein erster und ein zweiter Schneidkanal an dem Schneidwerkzeug ausgebildet. Es ist dann möglich, das Schneidwerkzeug in zwei Positionen zu halten, um einen Schneidvorgang durchzuführen.The cutting channel is e.g. formed and limited by guide surfaces of the blade holder and / or guide surfaces of the handle of the cutting tool. For example, a first and a second cutting channel are formed on the cutting tool. It is then possible to hold the cutting tool in two positions to perform a cutting operation.

Die Schneide ist z.B. derart ausgerichtet, dass durch eine Bewegung des Schneidwerkzeugs in eine erste Richtung ein Schneidvorgang durchführbar ist. Die erste Richtung ist z.B. eine ziehende Bewegung, die in Richtung des Benutzers gerichtet ist.The cutting edge is e.g. aligned such that by a movement of the cutting tool in a first direction, a cutting operation is carried out. The first direction is e.g. a pulling movement directed towards the user.

Das Schneidwerkzeug umfasst zusätzlich mindestens eine Schabekante. Die Schabekante ist z.B. stumpf ausgebildet. Der Benutzer kann sich an der Schabekante nicht verletzen. Mit der Schabekante lassen sich Beläge von einem Grundmaterial abschaben. Z.B. sind mit der Schabekante Kleberreste von einem Grundmaterial entfernbar. Der Schabevorgang ist z.B. durch eine Bewegung des Schneidwerkzeugs in eine zweite Richtung durchführbar. Die zweite Richtung ist z.B. eine drückende Bewegung, die vom Benutzer weg gerichtet ist.The cutting tool additionally comprises at least one scraping edge. The scraping edge is e.g. formed dull. The user can not hurt himself at the scraping edge. With the scraping edge, coverings can be scraped off a base material. For example, are with the scraping edge adhesive remnants of a base material removable. The scraping process is e.g. by a movement of the cutting tool in a second direction feasible. The second direction is e.g. a pushing movement directed away from the user.

Klinge im Sinne der Erfindung ist ein mit einer Schneidkante und / oder mit einer Schabekante versehenes Teil. Als Material für die Klinge kommen z.B. Metall oder Keramik in Betracht. Die Klinge kann z.B. von einer Bandstahlklinge gebildet sein. Die Materialstärke der Klinge kann z.B. zwischen 0,2 mm und 0,7 mm, insbesondere etwa 0,3mm betragen.Blade according to the invention is a provided with a cutting edge and / or with a scraping edge part. As the material for the blade, e.g. Metal or ceramic into consideration. The blade can e.g. be formed by a band steel blade. The material thickness of the blade can e.g. between 0.2 mm and 0.7 mm, in particular about 0.3 mm.

Die Klinge kann z.B. eine oder mehrere Öffnungen aufweisen, die der Befestigung der Klinge an einem Klingenhalter oder an dem Griff dienen. Mittels der Öffnungen ist die Klinge z.B. formschlüssig an dem Klingenhalter befestigbar. Die Öffnungen werden z.B. beim Umspritzen der Klinge mit Kunststoff von Kunststoffmaterial durchströmt. Nach dem Erkalten des Kunststoffs wird auf diese Weise eine formschlüssige Befestigung gebildet.For example, the blade may have one or more openings for attachment of the blade to a blade holder or to the handle. By means of the openings, the blade is, for example, form-fitting fastened to the blade holder. The openings are eg when encapsulating the blade flows through plastic with plastic material. After cooling of the plastic, a positive attachment is formed in this way.

Eine Ausführungsform ist dadurch gekennzeichnet, dass die Schabekante einer Klinge zugeordnet ist. Die Schabekante lässt sich auf diese Weise separat fertigen und bei der Montage an dem Schneidwerkzeug befestigen.An embodiment is characterized in that the scraping edge is associated with a blade. The scraping edge can be manufactured separately in this way and attached to the cutting tool during assembly.

Z.B. kann das Schneidwerkzeug hergestellt werden, indem wenigstens eine Klinge mit Kunststoff umspritzt wird und auf diese Weise der Klingenhalter und der Griff ausgebildet werden. Alternativ kann z.B. wenigstens eine Klinge mit Kunststoff umspritzt werden, so dass ein Klingenhalter ausgebildet wird. Der Klingenhalter kann z.B. anschließend erneut mit Kunststoff umspritzt werden, um den Griff auszubilden. Alternativ kann der Klingenhalter formschlüssig oder stoffschlüssig an einem Griff aus Kunststoff oder Metall befestigt werden. Der Klingenhalter kann z.B. an dem Griff verrastet oder verklebt werden. Auf diese Weise lassen sich z.B. der Klingenhalter und der Griff in unterschiedlichen Farben und unterschiedlichen Materialien herstellen.For example, For example, the cutting tool can be manufactured by overmolding at least one blade with plastic and thus forming the blade holder and the handle. Alternatively, e.g. At least one blade are molded with plastic, so that a blade holder is formed. The blade holder may e.g. then be overmoulded with plastic again to form the handle. Alternatively, the blade holder can be positively or materially attached to a handle made of plastic or metal. The blade holder may e.g. be latched or glued to the handle. In this way, e.g. the blade holder and the handle are made in different colors and different materials.

Eine weitere Ausführungsform ist dadurch gekennzeichnet, dass die Schneidkante und die Schabekante derselben Klinge zugeordnet sind. Das Schneidwerkzeug ist dann einfach und kostengünstig herstellbar. Die Klinge kann z.B. von einer herkömmlichen Bandstahlklinge gebildet sein. Dann kann wenigstens ein Bereich einer geschärften Kante als Schneide verwendet werden. Z.B. kann die Klinge derart im Schneidwerkzeug angeordnet sein, dass zwei Bereiche der Schneide für Schneidmaterial zugänglich sind und zum Schneiden verwendet werden können. Eine nicht geschärfte oder stumpfe Kante derselben Klinge kann z.B. als Schaber verwendet werden.Another embodiment is characterized in that the cutting edge and the scraping edge are associated with the same blade. The cutting tool is then easy and inexpensive to produce. The blade may for example be formed by a conventional steel band blade. Then at least a portion of a sharpened edge may be used as a cutting edge. For example, the blade may be disposed in the cutting tool such that two portions of the cutting edge are accessible to cutting material and may be used for cutting. An unsharpened or blunt edge of the same blade can be used as a scraper, for example.

Eine Ausführungsform ist dadurch gekennzeichnet, dass die Schneidkante und / oder die Schabekante im Wesentlichen quer zu einer Längsachse des Schneidwerkzeugs angeordnet sind. Die Schneidkante und / oder die Schabekante weisen z.B. einen rechten Winkel zu der Längsachse des Schneidwerkzeugs auf. Alternativ kann die Schneidkante und / oder die Schabekante z.B. einen spitzen Winkel mit der Längsachse des Schneidwerkzeugs bilden. Gemäß einer anderen Alternative kann die Schneidkante und / oder die Schabekante einen stumpfen Winkel mit der Längsachse des Schneidwerkzeugs bilden. Die Längsachse ist z.B. von der Mittelachse des Griffs des Schneidwerkzeugs gebildet.An embodiment is characterized in that the cutting edge and / or the scraping edge are arranged substantially transversely to a longitudinal axis of the cutting tool. The cutting edge and / or the scraping edge have e.g. a right angle to the longitudinal axis of the cutting tool on. Alternatively, the cutting edge and / or the scraping edge may be e.g. make an acute angle with the longitudinal axis of the cutting tool. According to another alternative, the cutting edge and / or the scraping edge may form an obtuse angle with the longitudinal axis of the cutting tool. The longitudinal axis is e.g. formed by the central axis of the handle of the cutting tool.

Eine Ausführungsform der Erfindung ist dadurch gekennzeichnet, dass die Schneide und die Schabekante parallel ausgerichtet sind.An embodiment of the invention is characterized in that the cutting edge and the scraping edge are aligned in parallel.

Z.B. weisen die Schneide und die Schabekante in entgegen gesetzte Richtungen. Sind z.B. die Schneide und die Schabekante gerade ausgebildet, weisen sie jeweils in eine Richtung senkrecht zu der Geraden. Z.B. sind die Arbeitsrichtungen der Schneide und der Schabekante entgegengesetzt gerichtet. Es ist z.B. möglich, eine Schneidkante einer Klinge als Schneide und eine gegenüber liegende, z.B. parallele Kante einer Klinge als Schaber zu verwenden. Der Schneidvorgang ist z.B. durch eine Bewegung des Schneidwerkzeugs in eine erste Richtung und der Schabevorgang durch eine Bewegung des Schneidwerkzeugs in eine zweite Richtung durchführbar. Die erste Richtung ist der zweiten Richtung entgegen gesetzt gerichtet.For example, point the cutting edge and the scraping edge in opposite directions. Are e.g. the cutting edge and the scraping edge are straight, they respectively point in a direction perpendicular to the straight line. For example, the working directions of the cutting edge and the scraping edge are directed in opposite directions. It is e.g. possible, a cutting edge of a blade as a cutting edge and an opposite, e.g. parallel edge of a blade to use as a scraper. The cutting process is e.g. by a movement of the cutting tool in a first direction and the scraping process by a movement of the cutting tool in a second direction feasible. The first direction is directed opposite to the second direction.

Eine Ausgestaltung ist dadurch gekennzeichnet, dass wenigstens ein Klingenhalter für die Klinge vorgesehen ist. Der Klingenhalter ist z.B. derart ausgebildet, dass er die Klinge stützt. Der Klingenhalter umfasst z.B. wenigstens einen ersten Steg, der im Wesentlichen die gesamte Länge der Klinge stützt. Z.B. umfasst der Haltearm mindestens einen zweiten Steg, welcher zumindest einen Teil der Klinge in einer Richtung quer zu der Längsausdehnung der Klinge stützt. Der zweite Steg kann z.B. an einem Randbereich der Klinge vorgesehen sein. Zusätzlich kann der Klingenhalter z.B. Führungsflächen des Kanals ausbilden. Die Führungsflächen sind z.B. dem ersten Steg oder dem zweiten Steg zugeordnet.An embodiment is characterized in that at least one blade holder is provided for the blade. For example, the blade holder is configured to support the blade. For example, the blade holder includes at least a first land that supports substantially the entire length of the blade. For example, the support arm includes at least a second land which at least part of the blade in one direction transverse to the longitudinal extent of the blade supports. The second web may be provided, for example, at an edge region of the blade. In addition, the blade holder can form guide surfaces of the channel, for example. The guide surfaces are associated, for example, the first web or the second web.

Eine andere Ausgestaltung der Erfindung ist dadurch gekennzeichnet, dass wenigstens ein Randbereich der Schabekante abgerundet ist und eine Ritzkante bildet. Mit der Ritzkante sind Folien, wie z.B. Klebeband, zertrennbar.Another embodiment of the invention is characterized in that at least one edge region of the scraping edge is rounded and forms a scored edge. With the scribe edge, foils, e.g. Adhesive tape, separable.

Weitere Vorteile ergeben sich anhand eines in den Fig. dargestellten Ausführungsbeispiels. Es zeigen:

Fig. 1
eine schematische perspektivische Ansicht des erfindungsgemäßen Schneidwerkzeugs,
Fig. 2
eine schematische Seitenansicht des Schneidwerkzeugs,
Fig. 3
eine Schnittansicht gemäß Schnittlinie III-III in Fig. 2,
Fig. 4
eine schematische Draufsicht auf das Schneidwerkzeug, und
Fig. 5
eine schematische Schnittdarstellung gemäß Schnittlinie V-V in Fig. 4.
Further advantages will become apparent from an embodiment shown in FIGS. Show it:
Fig. 1
a schematic perspective view of the cutting tool according to the invention,
Fig. 2
a schematic side view of the cutting tool,
Fig. 3
a sectional view along section line III-III in Fig. 2 .
Fig. 4
a schematic plan view of the cutting tool, and
Fig. 5
a schematic sectional view along section line VV in Fig. 4 ,

Das Schneidwerkzeug insgesamt wird in den Fig. mit dem Bezugszeichen 10 bezeichnet. Gleiche Bezugszeichen in den unterschiedlichen Fig. bezeichnen auch bei Hinzufügung oder Weglassen von kleinen Buchstaben entsprechende Teile.The cutting tool as a whole is denoted by the reference numeral 10 in the figures. Like reference numerals in the various figures indicate corresponding parts even with the addition or omission of small letters.

Das Schneidwerkzeug 10 umfasst einen Griff 11 sowie einen Klingenhalter 22, welcher an einem Endbereich 12 des Schneidwerkzeugs 10 angeordnet ist. An dem Klingenhalter 22 ist eine Klinge 15 befestigt. Der Klinge 15 sind Schneiden 13a, 13b sowie eine Schabekante 14 zugeordnet. Die Schneiden 13a und 13b sind von einer Schneide einer geraden Schneidkante einer Bandstahlklinge gebildet. Auch die Schabekante 14 ist gerade ausgebildet. Die Schneiden 13a und 13b sind parallel zu der Schabekante 14 ausgebildet.The cutting tool 10 comprises a handle 11 and a blade holder 22, which is arranged on an end region 12 of the cutting tool 10. On the blade holder 22, a blade 15 is attached. The blade 15 are associated with cutting edges 13a, 13b and a scraping edge 14. The cutting edges 13a and 13b are formed by a cutting edge of a straight cutting edge of a band steel blade. The scraping edge 14 is also formed. The cutting edges 13 a and 13 b are formed parallel to the scraping edge 14.

Jede Schneide 13a und 13b ist über einen Kanal 26 zugänglich, der Führungsflächen 27 und 28 aufweist. Die Schneide 13a bzw. 13b sowie die Führungsflächen 27 und 28 begrenzen den jeweiligen Kanal 26. Eine Mittelachse E des Kanals weist einen Winkel α zu der Mittelachse M auf. α ist z.B. ein spitzer Winkel, insbesondere beträgt α etwa 45°. Eine Breite h des Kanals 26 rechtwinklig zu der Mittelachse E ist z.B. so bemessen, dass ein Finger des Benutzers nicht in den Kanal 26 bis zur Schneide 13a bzw. 13b bewegbar ist.Each blade 13a and 13b is accessible via a channel 26 having guide surfaces 27 and 28. The cutting edge 13a or 13b and the guide surfaces 27 and 28 define the respective channel 26. A central axis E of the channel has an angle α to the central axis M. α is e.g. an acute angle, in particular α is about 45 °. A width h of the channel 26 at right angles to the central axis E is e.g. such that a finger of the user is not movable into the channel 26 to the cutting edge 13a or 13b.

Der Griff 11 umfasst Seitenflächen 16. Die Seitenflächen 16 sind mit einer rippenförmigen Struktur 17 versehen, die ein Abrutschen der Finger des Benutzers verhindert. Auch an Schmalseiten 29 ist eine rippenförmige Struktur 31 vorgesehen. In dem Griff 11 ist eine Öffnung 18 ausgebildet, mittels welcher das Schneidwerkzeug 10 z.B. an einem Haken aufgehängt werden kann. Der Griff 11 ist größtenteils von einem Rand 19 umschlossen. Der Rand 19 umschließt einen Mittelbereich 35 des Griffs 11 etwa c-förmig. Der Rand 19 ist auf einer von der Mittelachse M abgewandten Seite konvex gewölbt ausgebildet, so dass der Griff 11 in jeder Halteposition gut gegriffen werden kann.The handle 11 includes side surfaces 16. The side surfaces 16 are provided with a rib-shaped structure 17 which prevents slippage of the user's fingers. Also on narrow sides 29, a rib-shaped structure 31 is provided. In the handle 11, an opening 18 is formed, by means of which the cutting tool 10 can be hung, for example, on a hook. The handle 11 is largely enclosed by a rim 19. The edge 19 encloses a central region 35 of the handle 11 approximately C-shaped. The edge 19 is convexly curved on a side facing away from the central axis M side, so that the handle 11 can be easily grasped in any holding position.

Der Klingenhalter 22 ist aus Kunststoff gebildet und weist einen Fortsatz 20 (siehe die Fig. 3 und 5) mit Befestigungsstrukturen auf, die im vorliegenden Ausführungsbeispiel in Form von Aussparungen 21 ausgebildet sind. Des Weiteren umfasst der Klingenhalter Stegbereiche 33 sowie einen Stegbereich 34. Die Stegbereiche 33 stützen die Klinge 15 über eine Klingenbreite b gegen Verformung. Zusätzlich schützen die Stegbereiche 33 vor ungewolltem Kontakt mit der Klinge 15 und bilden die Führungsflächen 27 des Kanals 26 aus. Der Stegbereich 34 stützt die Klinge 15 über eine Länge I gegen Verformung. Außerdem bildet der Stegbereich 34 Ableitschrägen 30 aus, die das zertrennte Material von der Klingenoberfläche wegleiten. Die Führungsfläche 28 ist von einem Mittelbereich 37 des Klingenhalters 22 sowie von einem Bereich des Griffs 11 gebildet.The blade holder 22 is formed of plastic and has an extension 20 (see the Fig. 3 and 5 ) with attachment structures, which are formed in the form of recesses 21 in the present embodiment. Furthermore, the blade holder includes web portions 33 and a web portion 34. The web portions 33 support the blade 15 over a blade width b against deformation. In addition, the land portions 33 protect against inadvertent contact with the blade 15 and form the guide surfaces 27 of the channel 26. The land portion 34 supports the blade 15 over a length I against deformation. In addition, web portion 34 forms lead-off slopes 30 which divert the severed material away from the blade surface. The guide surface 28 is formed by a central region 37 of the blade holder 22 and by a region of the handle 11.

Die Befestigung des Klingenhalters 22 an dem Griff 11 kann z.B. erfolgen, indem der Fortsatz 20 des Klingenhalters 22 mit Kunststoff umspritzt wird. Der Kunststoff des Griffs 11 umschließt dann den Fortsatz 20 und durchgreift die Aussparungen 21.The attachment of the blade holder 22 to the handle 11 may be e.g. take place by the extension 20 of the blade holder 22 is encapsulated with plastic. The plastic of the handle 11 then surrounds the extension 20 and passes through the recesses 21st

Gemäß einer Alternative zu diesem Ausführungsbeispiel kann z.B. der Klingenhalter 22 auch an dem Griff 11 formschlüssig befestigt, z.B. verrastet werden. Der Klingenhalter 22 und der Griff 11 weisen in diesem Fall korrespondierende Befestigungsmittel auf, die z.B. lösbar oder unlösbar aneinander befestigbar sind. Der Klingenhalter 22 und der Griff 11 sind z.B. formschlüssig miteinander verbindbar oder verklebbar.According to an alternative to this embodiment, e.g. the blade holder 22 is also positively attached to the handle 11, e.g. be locked. The blade holder 22 and the handle 11 in this case have corresponding attachment means, e.g. are releasably or permanently attached to each other. The blade holder 22 and the handle 11 are e.g. positively connected or glued together.

Die Klinge 15 weist Öffnungen 23, 24 und 25 auf. Die Öffnungen 23, 24 und 25 dienen der Befestigung an dem Klingenhalter 22. Die Öffnungen 23, 24 und 25 sind von Kunststoff des Klingenhalters durchgriffen.The blade 15 has openings 23, 24 and 25. The openings 23, 24 and 25 are used for attachment to the blade holder 22. The openings 23, 24 and 25 are penetrated by plastic of the blade holder.

Die Herstellung des Schneidwerkzeugs 10 soll nachfolgend beschrieben werden. Die Klinge 15 wird derart in eine nicht dargestellte Form eingelegt, dass formfeste Stifte die Öffnungen 23 durchgreifen und dabei die Klinge 15 fixieren. Anschließend wird die Klinge 15 mit Kunststoff umspritzt. Der erkaltete Kunststoff bildet den Klingenhalter 22. An der Stelle, an welcher die Stifte zur Fixierung die Klinge 15 durchgriffen haben, sind nach der Entformung Öffnungen 32 ausgebildet. Der Klingenhalter 22 wird seinerseits mit Kunststoff umspritzt. Der erkaltete Kunststoff bildet dann den Griff 11 aus. Alternativ kann der Klingenhalter 22 auch an dem Griff 11 formschlüssig befestigt werden, wie bereits oben beschrieben.The manufacture of the cutting tool 10 will be described below. The blade 15 is inserted in such a form, not shown, that dimensionally stable pins pass through the openings 23 and thereby fix the blade 15. Subsequently, the blade 15 is encapsulated in plastic. The cooled plastic forms the blade holder 22. At the point at which the pins have penetrated for fixing the blade 15, openings 32 are formed after demolding. The blade holder 22 is in turn encapsulated in plastic. The cooled plastic then forms the handle 11. Alternatively, the blade holder 22 can also be attached to the handle 11 in a form-fitting manner, as already described above.

Nachfolgend wird die Funktionsweise des Schneidwerkzeugs 10 beschrieben. Zum Schneiden z.B. von Papier, Folien oder Bändern, wird das zu schneidende Material durch eine ziehende Bewegung des Schneidwerkzeugs 10 in einen der Kanäle 26a oder 26b eingezogen und mit der Schneide 13a bzw. 13b geschnitten. Eine ziehende Bewegung bedeutet in diesem Fall, dass die Bewegung zumindest Anteile aufweist, die parallel zu der Mittelachse M des Schneidwerkzeugs 10 in Richtung x1 gerichtet sind.The operation of the cutting tool 10 will be described below. For cutting e.g. of paper, films or tapes, the material to be cut is drawn by pulling the cutting tool 10 into one of the channels 26a or 26b and cut with the cutting edge 13a or 13b. A pulling movement in this case means that the movement has at least portions which are directed parallel to the central axis M of the cutting tool 10 in the direction x1.

Um das Schneidwerkzeug 10 als Schaber einzusetzen, wird mit dem Schneidwerkzeug 10 eine drückende Bewegung durchgeführt. Eine drückende Bewegung bedeutet, dass die Bewegung zumindest Anteile aufweist, die parallel zu der Mittelachse M in Richtung x2 gerichtet sind. Bei der drückenden Bewegung kann z.B. ein Finger auf der Seitenfläche 16 aufliegen, um Druck auf die Schabekante 14 auszuüben. Die Richtung x2 ist bezüglich der Richtung x1 entgegengesetzt gerichtet.In order to use the cutting tool 10 as a scraper, a pressing movement is performed with the cutting tool 10. A pushing movement means that the movement has at least portions which are directed parallel to the central axis M in the direction x2. In the pushing motion, e.g. a finger on the side surface 16 rest to exert pressure on the scraping edge 14. The direction x2 is directed opposite to the direction x1.

Die Schabekante 14 ist an seitlichen Randbereichen abgerundet und bildet Ritzkanten 36, mit denen z.B. Klebeband oder andere Folien geritzt werden können.The scraping edge 14 is rounded at lateral edge regions and forms scoring edges 36 with which, for example, Tape or other films can be scratched.

Claims (5)

  1. Cutting tool (10) with a handle (11) and with at least one blade (15), which comprises at least one cutting edge (13a, 13b), whereby at least one cutting channel (26) is formed on the cutting tool (10), through which cutting material can be fed to the cutting edge (13a, 13b), whereby the cutting tool (10) also comprises at least one scraping edge (14), by means of which a scraping operation can be carried out, whereby the cutting edge (13a, 13b) and the scraping edge (14) are associated with the same blade (15), characterised in that the blade (15) is overmoulded with plastic so that a blade holder (22) is formed, whereby an area of the blade (15) projects beyond the blade holder (22) forwards in a direction (x2) parallel to a longitudinal central axis (M) of the cutting tool and this area comprises the scraping edge (14) which is arranged transversely to the longitudinal central axis (M) of the cutting tool (10).
  2. Cutting tool according to claim 1, characterised in that the cutting edge (13a, 13b) and the scraping edge (14) are aligned in parallel.
  3. Cutting tool according to one of the preceding claims, characterised in that the cutting edge (13a, 13b) and the scraping edge (14) point in opposite directions (x1, x2).
  4. Cutting tool according to one of the preceding claims, characterised in that the blade holder (22) is associated with an end area (12) of the cutting tool (10).
  5. Cutting tool according to one of the preceding claims, characterised in that at least one edge area of the scraping edge (14) is rounded and forms a scoring edge (36) .
EP13710778.5A 2012-01-27 2013-01-28 Cutting tool Active EP2807002B1 (en)

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DE102012001490A DE102012001490B4 (en) 2012-01-27 2012-01-27 cutting tool
PCT/DE2013/000047 WO2013110263A1 (en) 2012-01-27 2013-01-28 Cutting tool

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EP2807002A1 EP2807002A1 (en) 2014-12-03
EP2807002B1 true EP2807002B1 (en) 2018-08-01

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US (1) US20140345146A1 (en)
EP (1) EP2807002B1 (en)
CN (1) CN104136175B (en)
DE (1) DE102012001490B4 (en)
ES (1) ES2693115T3 (en)
WO (1) WO2013110263A1 (en)

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Also Published As

Publication number Publication date
US20140345146A1 (en) 2014-11-27
DE102012001490A1 (en) 2013-08-01
EP2807002A1 (en) 2014-12-03
DE102012001490B4 (en) 2013-09-12
CN104136175B (en) 2016-02-24
WO2013110263A1 (en) 2013-08-01
CN104136175A (en) 2014-11-05
ES2693115T3 (en) 2018-12-07

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