EP1847360A1 - Razor cartridge - Google Patents
Razor cartridge Download PDFInfo
- Publication number
- EP1847360A1 EP1847360A1 EP07109567A EP07109567A EP1847360A1 EP 1847360 A1 EP1847360 A1 EP 1847360A1 EP 07109567 A EP07109567 A EP 07109567A EP 07109567 A EP07109567 A EP 07109567A EP 1847360 A1 EP1847360 A1 EP 1847360A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- blade carrier
- handle
- blade
- connecting part
- unit according
- 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.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/08—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
- B26B21/14—Safety razors with one or more blades arranged transversely to the handle
- B26B21/22—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously
- B26B21/222—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit
- B26B21/225—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit the changeable unit being resiliently mounted on the handle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/40—Details or accessories
- B26B21/52—Handles, e.g. tiltable, flexible
- B26B21/521—Connection details, e.g. connection to razor heads
Definitions
- the invention relates to a razor blade unit for a razor with the features specified in claim 1.
- a wet razor with a handle and a fixed or releasably connected to the handle razor head is known in which the handle has a widening in the direction of the razor head front, a narrow handle designed as a transition part and a formed in the form of a long drip handle part, the at least Having a curved in the longitudinal and transverse direction, having applied to the palm while holding the handle bar by means of thumb and forefinger surface formation.
- the handle with front part is made of plastic one-piece and non-elastic.
- recesses are provided in a variant at the top of the transition part, which extend into the front part of the handle.
- the recesses which have certain contours, are filled with a soft, non-slip material. A spring function does not apply to this insert.
- a disposable razor comprising a handle, a blade unit with at least one blade and an elastic connection between the handle and the blade unit is known.
- the elastic connection is formed as an arcuate line between the handle and the blade unit, whereby the blade unit can be fixed to the elastic connection such that at least one blade is positioned in a plane perpendicular to a plane parallel to the arcuate line extending the elastic connection extending plane.
- the elastic connection is realized in the form of a double arcuate line, wherein the connection contains the same material as the handle and in a variant a second material with a second spring characteristic. The compound is very complex and allows a resilient effect over the bow forward and backward.
- the DE 299 21 556 U1 US 4,816,742 discloses a wet razor with extended grip, in which an angle between the shaving plane and the handle longitudinal axis is predetermined, which is dimensioned such that shaving is possible even with a small distance between the leading hand and shaving surface in a certain angular range.
- a resilient transition part is not provided here.
- a wet shaver with laterally attachable injector with interchangeable blade known, the blade between a rigid upper and a resiliently pressed to the former, lower blade clamping plate is held and the rigid upper blade clamping plate terminates in a handle part.
- the pressing of the lower blade clamping plate against the upper takes place by a second handle part, which is formed with the blade clamping plate directly cooperating part as an elastically deformable element, wherein a grip sleeve surrounds the two handle parts together and holds together.
- the resilient blade clamping plate is used only for fixing the blade, not for flexible storage of the blade holder on the handle.
- the handle and the upper blade chuck plate are rigid and not flexibly coupled together.
- a razor blade unit with a blade carrier is known, which is held by means of a form spring to a handle by insertion into a storage chamber. During the shaving operation, the razor blade unit is displaceable backwards against the force of a zero-position spring which is furthermore provided on the handle.
- the invention is based on the object to provide a razor blade unit having an integrated joint portion, which allows during shaving an adjustment of the angle between Kleinberckenungsebene and handle of the shaver.
- the case acting spring characteristic should be adjustable on the choice of materials and the shape of individual components of the joint portion, the production of the razor blade unit should be easily possible in a few steps.
- plug connector part, blade carrier and the connecting part form a unit.
- This unit is made in a known manner from plastic by spraying produced in a mold, wherein the connecting part is quasi in the form of a film hinge but so flexible that it does not have the necessary for shaving strength for power transmission from the handle to the blade carrier, but has virtually only a connection function. It only serves for static connection, without significantly determining the spring characteristic.
- the spring characteristic is achieved by a reinforcement of the connecting part by a further resilient plastic component, which preferably consists of a foamed plastic or of such with an elastic structure.
- the connecting part can be embedded on one or more sides or else completely enclosed. In principle, the plastic component may be provided at the top or at the bottom of the connecting part.
- the connecting part In any case, it must enclose the connecting part, adhere to it and connect the blade carrier with the connector part. This is done by introducing the plastic into a mold enclosing this transition region by means of a two-component injection process.
- the plastic component since a plastic with network structure can be used here, relatively large area and / or voluminous be applied.
- the transition region may conform to shape, transition into and adhere to the shoulder on the blade carrier and connector, while guaranteeing the desired bending and spring characteristics.
- the main contact plane of the razor blade unit on the shaving surface for example the cheek of a face, thereby extends through an embodiment of the transition part at an acute angle to the handle.
- the handle is ergonomically shaped and can also be relatively short, so that the transition part and / or the connector part can be used as a handle with.
- the connector part has in the end section Expediently, an outer contour corresponding to the adjoining handle part, so that a smooth transition is given.
- a blind-hole-shaped receptacle for a coupling part can be introduced or, alternatively, an extension projecting a coupling projection, which is insertable into a corresponding blind hole-shaped receptacle in the handle.
- the blind hole-shaped receptacle should be incorporated in the connector part and the peg-shaped coupling part are located on the handle.
- the reinforced connecting part has a defined bending and spring characteristic in at least one axial direction.
- the flexible plastic component may stretch in a mathematically positive direction of action relative to the main contact plane of the razor blade unit on the shaving surface as a result of a torque exerted on the handle and compressed by moments in a mathematically negative direction of action.
- the structure of a spring action is effected by stretching and compression, whereby the razor blade unit substantially follows the contour of the surface to be shaved and a desired more constant Cutting angle between razor blade and shaving surface is ensured.
- the blade carrier is formed relatively wide relative to the connector part.
- the width is about 25 to about 40 mm, while the width of the connector part only about 8 mm to about 10 mm.
- the connecting part itself may have a width of a few mm or else be designed as a bending bar. This bending rod is deflectable in all directions and surrounded by the flexible plastic component at least one side.
- the plastic component extends to the shoulder on the blade carrier and has such a cross-sectional shape and mass that a resilient bending of the razor blade unit relative to the handle at least in one axial plane X is possible.
- the handiness and the springy characteristic is determined by the relatively large-volume resilient plastic component.
- the connecting part can also be completely surrounded by the plastic component, depending on the design of the blade carrier. Furthermore, should allow only a short pivoting in the lateral direction by the shape of the plastic component of the spring travel and the spring characteristic in forward and backward movement a larger pivoting.
- the given flexibility and the angular arrangement of blade carrier and handle ensures that the dependence between the contour of the surface to be shaved and the trajectory of the user is optimized.
- the plastic used for the production of the flexible plastic component can also be used as a foam edge on the blade unit.
- at least one channel is introduced into the blade carrier, namely continuously, which opens at the front of the blade carrier in the region of the lower edge in a transverse groove or in a plurality of parallel transverse grooves.
- the introduced second plastic can thereby penetrate the channel (s) and form a desired profiled foam edge in the transverse groove (s) form.
- the tool must have corresponding receptacles and recesses.
- a desired foam edge and the desired plastic spring can be produced on the connecting part.
- the bearing openings or the bearing shoulder or the coupling part should have adapted cross sections, which may be square, rectangular, polygonal, elliptical or another asymmetrical shape. If you want to dispense with the interchangeability, for example, with disposable razors, a separation from the handle is not required. For this case, it is provided that the handle of the shaver and the blade unit are made in one piece, so there is a permanent connection.
- the connector part can be integrally into an integrally formed handle.
- This unlocking can be realized, for example, by a locking opening is provided in a wall of the connector part, in which engage one or more spring-loaded locking lugs as a resilient means on the coupling part, which can be pressed or pushed back by a defined amount in the coupling part and allow removal of the connection lug in the depressed or pushed back state.
- the coupling part may be an integrally formed on the handle U-shaped or frame-shaped approach, one wall against the other opposite at least by a defined measure against the own spring force depressible, being formed on the upper side of the depressible wall of the locking projection is.
- the latching connection may be formed by at least one elastic nub, which engages in a recess or an opening of the counterpart and is designed so that the connection between the coupling part of the handle and the connector part is releasable by increased withdrawal forces.
- the blade unit may comprise a plurality of blades in a known manner, further lateral guide and limiting frame.
- the blade carrier may consist of two housing parts, which are non-positively or positively connected, for example by latching or welding connections, gluing and the like.
- the blades can be preassembled on spacers and inserted into correspondingly provided lateral or head-side openings. But it is also possible to attach the razor blades directly to the razor blade carrier by injecting.
- a sliding layer or a sliding strip be introduced.
- the sliding material may be formed with or without medicinal active ingredients, in particular antibacterial substances.
- the plastic component may surround the handle as a handle reinforcement component at least in sections and thereby have at least lateral Lagerausbuchtitch for holding the handle.
- the single FIGURE shows a blade carrier 1 with a rear transverse shoulder 9, which tapers towards the center and merges into the relatively narrow connecting part 6, which is followed by a connector part 3.
- This combination is made in one piece and made of a first plastic.
- the blade carrier 1 also has bearings for e.g. three razor blades 2 and side frame members 17.
- the blade carrier 1 may be designed for one and / or several razor blades 2.
- the razor blades 2 protrude from the main contact plane 8. This runs at a relatively acute angle ⁇ , almost parallel to the longitudinal axis of the handle 5, of which only the upper part is shown.
- the connecting part 6 has a taper so that, as it were, there is a living hinge, which has a relative bending movement of the blade carrier 1 relative to the connector part 3 - depending on the width - at least in two axial planes (X, Y) allows.
- a plastic component 7, for example a TPE component in the two-component injection molding introduced.
- the width and the shape and the material properties of the material used in this plastic component 7 determine the spring characteristic of the combined connecting part 6, 7.
- the combined connecting part 6, 7 is attached to the blade carrier 1 in the lower region, so that when shaving a force in the desired manner is given and, depending on the position of the handle 5 is given a desired investment of the main contact level 8 with the razor blades 2 on the shaving surface.
- channels channels 11
- channels 11 are introduced in the lower region near the lower edge through which the material of the plastic component 7 in a two-component injection molding process in an intended transverse groove (groove 12) can flow. Due to the shape used during insertion, it is thus possible to build in the transverse groove 12 at the same time also a profiled foam edge of the same material.
- the coupling part 4 is suitably made of plastic and, for example, one piece from the handle 5 above and consists in Embodiment of two resilient walls, the run substantially parallel and are connected to each other above a transverse wall.
- One wall has an outwardly projecting locking projection 14, which engages in a latching recess 15 in the upper wall of the connector part 3.
- the connector part 3 is removable from the coupling part 4 or herunterschiebbar. For ease of pushing down a sliding release is provided with a slide button 16 projecting on top, which is eg pushed with the thumb upwards.
- the sliding pressure surface engages under the front edge of the connector part 3 and pushes it up while displacement of the locking lug 14 from the recess 15.
- the locking lug 14 bevels on which, with the edges of the recess 15 and when plugging with the inner edge of the upper Wall of the connector part 3 cooperate.
- the upper wall of the coupling part 4 is designed by elastic deformation.
- the feed stroke of the slide button 16 is limited by a stop guide or by guide recesses 18 on the walls of the coupling part 4, in which stops 19 are guided.
- an embodiment of the plug-in extension can be provided with an ejection function.
Abstract
Description
Die Erfindung betrifft eine Rasierklingeneinheit für einen Rasierapparat mit den im Anspruch 1 angegebenen Merkmalen.The invention relates to a razor blade unit for a razor with the features specified in claim 1.
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Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zu Grunde, eine Rasierklingeneinheit bereit zu stellen, die einen integrierten Gelenkabschnitt aufweist, welcher während der Rasur eine Anpassung des Winkels zwischen Hauptberührungsebene und Handgriff des Rasierapparates ermöglicht. Die dabei wirkende Federcharakteristik soll über die Materialauswahl und die Formgebung einzelner Komponenten des Gelenkabschnitts einstellbar sein, wobei die Herstellung der Rasierklingeneinheit in wenigen Verfahrensschritte einfach möglich sein soll.Based on this prior art, the invention is based on the object to provide a razor blade unit having an integrated joint portion, which allows during shaving an adjustment of the angle between Hauptberührungsebene and handle of the shaver. The case acting spring characteristic should be adjustable on the choice of materials and the shape of individual components of the joint portion, the production of the razor blade unit should be easily possible in a few steps.
Gelöst wird diese Aufgabe durch die im Anspruch 1 angegebene Rasierklingeneinheit.This object is achieved by the specified in claim 1 razor blade unit.
Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen im Einzelnen angegeben.Advantageous developments of the invention are specified in the dependent claims in detail.
Gemäß der Lehre nach Anspruch 1 bilden Steckverbindungsteil, Klingenträger und der Verbindungsteil eine Einheit. Diese Einheit wird in bekannter Weise aus Kunststoff im Spritzverfahren in einer Form hergestellt, wobei das Verbindungsteil quasi in Form eines Filmscharniers selbst aber derartig flexibel ist, dass es die für die Rasur notwendige Festigkeit zur Kraftübertragung von dem Handgriff auf den Klingenträger nicht aufweist, sondern praktisch nur eine Verbindungsfunktion hat. Es dient lediglich zur statischen Verbindung, ohne die Federcharakteristik wesentlich zu bestimmen. Die Federcharakteristik wird durch eine Verstärkung des Verbindungsteils durch eine weitere federnde Kunststoffkomponente erreicht, die vorzugsweise aus einem geschäumten Kunststoff bzw. aus einem solchen mit elastischer Struktur besteht. Das Verbindungsteil kann dabei ein- oder mehrseitig eingebettet oder aber auch vollständig umschlossen sein. Grundsätzlich kann die Kunststoffkomponente an der Oberseite oder an der Unterseite des Verbindungsteils vorgesehen sein. In jedem Fall muss sie das Verbindungsteil einfassen, hieran haften und den Klingenträger mit dem Steckverbindungsteil verbinden. Dies erfolgt durch Einbringung des Kunststoffes in eine Form, die diesen Übergangsbereich umschließt, mittels Zweikomponentenspritzverfahrens. Die Kunststoffkomponente kann, da hier ein Kunststoff mit Netzstruktur verwendet werden kann, relativ großflächig und/oder volumig aufgetragen werden. Der Übergangsbereich als solcher kann formangepasst, in den Ansatz am Klingenträger und in dem Steckverbindungsteil übergehen und haftet daran, wobei gleichzeitig die gewünschte Biege- und Federcharakteristik garantiert ist. Die Hauptberührungsebene der Rasierklingeneinheit an der Rasierfläche, z.B. der Wange eines Gesichts, verläuft dabei durch Ausgestaltung des Übergangsteils in einem spitzen Winkel zum Handgriff. Der Handgriff ist ergonomisch ausgeformt und kann auch relativ kurz ausgebildet sein, so dass auch der Übergangsteil und/oder der Steckverbindungsteil als Haltegriff mit genutzt werden können. Der Steckverbindungsteil weist im Endabschnitt zweckmäßigerweise eine äußere Kontur auf, die dem sich anschließenden Griffteil entspricht, so dass ein fließender Übergang gegeben ist. In dem Steckverbindungsteil kann eine sacklochförmige Aufnahme für ein Kupplungsteil eingebracht sein oder in Verlängerung alternativ ein Kupplungsansatz vorstehen, der in eine entsprechende sacklochförmige Aufnahme im Handgriff einführbar ist. Aus fertigungstechnischen Gründen, insbesondere um die Rasierklingeneinheit in Blisterverpackungen oder anderen Verpackungen in Reihe als auswechselbare Rasierklingeneinheiten bei geringem Raumbedarf verpacken zu können, sollte die sacklochförmige Aufnahme im Steckverbindungsteil eingearbeitet sein und das zapfenförmige Kupplungsteil sich am Handgriff befinden.According to the teaching of claim 1 plug connector part, blade carrier and the connecting part form a unit. This unit is made in a known manner from plastic by spraying produced in a mold, wherein the connecting part is quasi in the form of a film hinge but so flexible that it does not have the necessary for shaving strength for power transmission from the handle to the blade carrier, but has virtually only a connection function. It only serves for static connection, without significantly determining the spring characteristic. The spring characteristic is achieved by a reinforcement of the connecting part by a further resilient plastic component, which preferably consists of a foamed plastic or of such with an elastic structure. The connecting part can be embedded on one or more sides or else completely enclosed. In principle, the plastic component may be provided at the top or at the bottom of the connecting part. In any case, it must enclose the connecting part, adhere to it and connect the blade carrier with the connector part. This is done by introducing the plastic into a mold enclosing this transition region by means of a two-component injection process. The plastic component, since a plastic with network structure can be used here, relatively large area and / or voluminous be applied. As such, the transition region may conform to shape, transition into and adhere to the shoulder on the blade carrier and connector, while guaranteeing the desired bending and spring characteristics. The main contact plane of the razor blade unit on the shaving surface, for example the cheek of a face, thereby extends through an embodiment of the transition part at an acute angle to the handle. The handle is ergonomically shaped and can also be relatively short, so that the transition part and / or the connector part can be used as a handle with. The connector part has in the end section Expediently, an outer contour corresponding to the adjoining handle part, so that a smooth transition is given. In the connector part, a blind-hole-shaped receptacle for a coupling part can be introduced or, alternatively, an extension projecting a coupling projection, which is insertable into a corresponding blind hole-shaped receptacle in the handle. For manufacturing reasons, especially to be able to pack the razor blade unit in blister packs or other packages in series as interchangeable razor blade units in a small footprint, the blind hole-shaped receptacle should be incorporated in the connector part and the peg-shaped coupling part are located on the handle.
Durch die Kunststoffkomponente weist das verstärkte Verbindungsteil eine definierte Biege- und Federcharakteristik in mindestens eine Achsenrichtung auf. Die flexible Kunststoffkomponente kann sich infolge eines über den Griff ausgeübten Momentes in mathematisch positiver Wirkungsrichtung in Bezug auf die Hauptberührungsebene der Rasierklingeneinheit an der Rasurfläche dehnen und durch Momente in mathematisch negativer Wirkungsrichtung stauchen. Wenn sich die Kunststoffkomponente unterhalb oder im Wesentlichen unterhalb des Verbindungsteils befindet und praktisch den spitzen Winkel zwischen Handgriff und Klingenträger ausfüllt, erfolgt durch Dehnung und Stauchung der Aufbau einer Federwirkung, wodurch die Rasierklingeneinheit der Kontur der zu rasierenden Fläche im Wesentlichen folgt und ein gewünschter gleich bleibender Schneidwinkel zwischen Rasierklinge und Rasierfläche sichergestellt ist.Due to the plastic component, the reinforced connecting part has a defined bending and spring characteristic in at least one axial direction. The flexible plastic component may stretch in a mathematically positive direction of action relative to the main contact plane of the razor blade unit on the shaving surface as a result of a torque exerted on the handle and compressed by moments in a mathematically negative direction of action. When the plastic component is below or substantially below the connecting part and practically fills the acute angle between the handle and the blade carrier, the structure of a spring action is effected by stretching and compression, whereby the razor blade unit substantially follows the contour of the surface to be shaved and a desired more constant Cutting angle between razor blade and shaving surface is ensured.
Der Klingenträger ist gegenüber dem Steckverbindungsteil relativ breit ausgebildet. Die Breite beträgt ca. 25 bis ca. 40 mm, während die Breite des Steckverbindungsteils nur ca. 8 mm bis ca. 10 mm beträgt. Der Verbindungsteil selbst kann eine Breite von wenigen mm aufweisen oder aber auch als Biegestab ausgebildet sein. Dieser Biegestab ist in alle Richtungen auslenkbar und von der flexiblen Kunststoffkomponente mindestens einseitig umgeben. Die Kunststoffkomponente erstreckt sich bis zum Ansatz am Klingenträger und weist eine derartige Querschnittsform und Masse auf, dass eine federelastische Abbiegung der Rasierklingeneinheit gegenüber dem Handgriff mindestens in einer Achsenebene X möglich ist.The blade carrier is formed relatively wide relative to the connector part. The width is about 25 to about 40 mm, while the width of the connector part only about 8 mm to about 10 mm. The connecting part itself may have a width of a few mm or else be designed as a bending bar. This bending rod is deflectable in all directions and surrounded by the flexible plastic component at least one side. The plastic component extends to the shoulder on the blade carrier and has such a cross-sectional shape and mass that a resilient bending of the razor blade unit relative to the handle at least in one axial plane X is possible.
Die Handlichkeit und die federnde Charakteristik wird von der relativ großvolumigen federnden Kunststoffkomponente bestimmt. Der Verbindungsteil kann auch, je nach Ausbildung des Klingenträgers, vollständig von der Kunststoffkomponente umgeben sein. Ferner sollte durch die Formgebung der Kunststoffkomponente der Federweg und die Federcharakteristik in seitlicher Richtung nur einen kurzen Schwenkweg ermöglichen, in Vor- und Rückwärtsbewegung einen größeren Schwenkweg. Durch die gegebene Flexibilität und durch die winklige Anordnung von Klingenträger und Handgriff ist sichergestellt, dass die Abhängigkeit zwischen der Kontur der zu rasierenden Fläche und der Bewegungsbahn des Benutzers optimiert ist.The handiness and the springy characteristic is determined by the relatively large-volume resilient plastic component. The connecting part can also be completely surrounded by the plastic component, depending on the design of the blade carrier. Furthermore, should allow only a short pivoting in the lateral direction by the shape of the plastic component of the spring travel and the spring characteristic in forward and backward movement a larger pivoting. The given flexibility and the angular arrangement of blade carrier and handle ensures that the dependence between the contour of the surface to be shaved and the trajectory of the user is optimized.
Es hat sich gezeigt, dass der verwendete Kunststoff für die Herstellung der flexiblen Kunststoffkomponente auch als Schaumkante an der Klingeneinheit verwendet werden kann. In weiterer Ausgestaltung der Erfindung ist deshalb vorgesehen, dass in den Klingenträger mindestens ein Kanal eingebracht ist, und zwar durchgehend, der an der Vorderseite des Klingenträgers im Bereich der unteren Kante in einer Quernut oder in mehreren parallelen Quernuten mündet. Beim Zweikomponentenspritzgießverfahren kann dadurch der eingebrachte zweite Kunststoff den oder die Kanäle durchdringen und sich in der oder den Quernuten zu einer gewünschten profilierten Schaumkante ausbilden. Es versteht sich, dass das Werkzeug entsprechende Aufnahmen und Ausnehmungen aufweisen muss. In ein und demselben Fertigungsgang können eine gewünschte Schaumkante und die gewünschte Kunststofffeder am Verbindungsteil hergestellt werden.It has been found that the plastic used for the production of the flexible plastic component can also be used as a foam edge on the blade unit. In a further embodiment of the invention, it is therefore provided that at least one channel is introduced into the blade carrier, namely continuously, which opens at the front of the blade carrier in the region of the lower edge in a transverse groove or in a plurality of parallel transverse grooves. In the two-component injection molding process, the introduced second plastic can thereby penetrate the channel (s) and form a desired profiled foam edge in the transverse groove (s) form. It is understood that the tool must have corresponding receptacles and recesses. In one and the same manufacturing process, a desired foam edge and the desired plastic spring can be produced on the connecting part.
Um eine verdrehsichere Steckverbindung zwischen Steckverbindungsteil und Kupplungsteil herzustellen, sollten die Lageröffnungen bzw. der Lageransatz oder das Kupplungsteil angepasste Querschnitte aufweisen, die quadratisch, rechteckförmig, polygon, elliptisch oder eine andere asymmetrische Form aufweisend ausgebildet sein können. Soll auf die Auswechselbarkeit verzichtet werden, beispielsweise bei Einmalrasierern, ist eine Trennung vom Handgriff nicht erforderlich. Für diesen Fall ist vorgesehen, dass der Handgriff des Rasierapparates und die Klingeneinheit einteilig hergestellt werden, also eine unlösbare Verbindung besteht. Das Steckverbindungsteil kann einteilig in einen angeformten Handgriff übergehen.In order to produce a rotationally secure plug connection between the plug connection part and the coupling part, the bearing openings or the bearing shoulder or the coupling part should have adapted cross sections, which may be square, rectangular, polygonal, elliptical or another asymmetrical shape. If you want to dispense with the interchangeability, for example, with disposable razors, a separation from the handle is not required. For this case, it is provided that the handle of the shaver and the blade unit are made in one piece, so there is a permanent connection. The connector part can be integrally into an integrally formed handle.
Für die lösbare Befestigung bieten sich diverse konstruktive Ausgestaltungen des Steckverbindungsteils und Kupplungsteils an. An dem Kupplungsteil oder in der asymmetrischen Lagerungsöffnung des Steckverbindungsteils können elastische Formfedern oder andere federnde Mittel eine Steckverrastung bilden, zusammenwirkend mit einer Ausnehmung am korrespondierenden Gegenstück. Die Rastverbindung kann entweder durch erhöhte Abzugskräfte oder durch Entriegelung mittels eines auf die federnden Mittel drückbaren Entriegelungsmittels wieder auflösbar sein. Diese Entriegelung lässt sich beispielsweise realisieren, indem in einer Wand des Steckverbindungsteils ein Rastdurchbruch vorgesehen ist, in den ein oder mehrere federbelastete Rastansätze als federndes Mittel an dem Kupplungsteil eingreifen, die um ein definiertes Maß in das Kupplungsteil eindrückbar bzw. zurückdrängbar sind und ein Abziehen des Verbindungsansatzes im niedergedrückten oder zurückgedrängten Zustand gestatten. Bei einer derartigen Verbindung kann das Kupplungsteil ein an den Handgriff angeformter U-förmiger oder rahmenförmig ausgebildeter Ansatz sein, dessen eine Wand gegenüber der anderen gegenüberliegenden mindestens um ein definiertes Maß gegen die eigene Federkraft niederdrückbar ist, wobei an der Oberseite der niederdrückbaren Wand der Rastansatz angeformt ist. Dabei kann beabstandet zum Rastansatz am Handgriff in einem Durchbruch eine Entriegelungstaste gelagert sein oder ein Schiebeknopf einer Schiebeentriegelungseinrichtung hinter dem Steckverbindungsteil als Aufschubteil auf den Kupplungsteil aufgeschoben sein, durch deren Betätigung die Wand oder der federnde Schenkel niederdrückbar ist bzw. der Steckverbindungsteil vorschiebbar ist, wodurch der Rastansatz aus der Ausnehmung gleitet und das Steckverbindungsteil abziehbar ist. Alternativ kann die Rastverbindung durch mindestens eine elastische Noppe gebildet sein, die in eine Ausnehmung oder einen Durchbruch des Gegenstückes eingreift und so ausgebildet ist, dass durch erhöhte Abzugskräfte die Verbindung zwischen dem Kupplungsteil des Handgriffs und dem Steckverbindungsteil lösbar ist.For the releasable attachment, various constructive embodiments of the connector part and coupling part offer. On the coupling part or in the asymmetric bearing opening of the connector part elastic compression springs or other resilient means may form a Steckverrastung, cooperating with a recess on the corresponding counterpart. The latching connection can be resolvable again either by increased withdrawal forces or by unlocking by means of an unlocking means which can be pressed onto the resilient means. This unlocking can be realized, for example, by a locking opening is provided in a wall of the connector part, in which engage one or more spring-loaded locking lugs as a resilient means on the coupling part, which can be pressed or pushed back by a defined amount in the coupling part and allow removal of the connection lug in the depressed or pushed back state. In such a connection, the coupling part may be an integrally formed on the handle U-shaped or frame-shaped approach, one wall against the other opposite at least by a defined measure against the own spring force depressible, being formed on the upper side of the depressible wall of the locking projection is. In this case, spaced from the locking lug on the handle in a breakthrough a release button be stored or pushed a sliding button a Schiebeentriegelungseinrichtung behind the connector part as Aufschubteil on the coupling part, by the operation of the wall or the resilient leg is depressible or the connector part is pushed forward, whereby the Detent projection slides out of the recess and the connector part is removable. Alternatively, the latching connection may be formed by at least one elastic nub, which engages in a recess or an opening of the counterpart and is designed so that the connection between the coupling part of the handle and the connector part is releasable by increased withdrawal forces.
Die Klingeneinheit kann in bekannter Weise mehrere Klingen aufweisen, ferner seitliche Führungs- und Begrenzungsrahmen. Der Klingenträger kann aus zwei Gehäuseteilen bestehen, die miteinander kraft- oder formschlüssig verbunden sind, z.B. durch Rast- oder Schweißverbindungen, Verkleben und dergleichen. Die Klingen können auf Distanzteilen vormontiert und in entsprechend vorgesehene seitliche oder kopfseitige Öffnungen eingeschoben werden. Es ist aber auch möglich, die Rasierklingen direkt am Rasierklingenträger durch Einspritzen zu befestigen. Ferner kann auch in bekannter Weise an der oberen Querkante des Gehäuses bzw. des Klingenträgers eine Gleitschicht oder ein Gleitstreifen eingebracht sein. Das Gleitmaterial kann mit oder ohne medizinischen Wirkstoffzusätzen, insbesondere antibakteriellen Stoffen, ausgebildet sein.The blade unit may comprise a plurality of blades in a known manner, further lateral guide and limiting frame. The blade carrier may consist of two housing parts, which are non-positively or positively connected, for example by latching or welding connections, gluing and the like. The blades can be preassembled on spacers and inserted into correspondingly provided lateral or head-side openings. But it is also possible to attach the razor blades directly to the razor blade carrier by injecting. Furthermore, in a known manner at the upper transverse edge of the housing or of the blade carrier, a sliding layer or a sliding strip be introduced. The sliding material may be formed with or without medicinal active ingredients, in particular antibacterial substances.
Die Kunststoffkomponente kann den Handgriff als Griffverstärkungskomponente mindestens abschnittsweise umschließen und dabei mindestens seitliche Lagerausbuchtungen zum Festhalten des Handgriffes aufweisen.The plastic component may surround the handle as a handle reinforcement component at least in sections and thereby have at least lateral Lagerausbuchtungen for holding the handle.
Die Erfindung wird nachfolgend anhand der in der Zeichnung dargestellten Teilschnittzeichnung ergänzend erläutert.The invention will be explained in the following with reference to the partial sectional drawing shown in the drawing.
Die einzige Figur zeigt einen Klingenträger 1 mit einem rückseitig querverlaufenden Ansatz 9, der sich zur Mitte hin verjüngt und in den relativ schmalen Verbindungsteil 6 übergeht, dem sich ein Steckverbindungsteil 3 anschließt. Diese Kombination ist einteilig ausgeführt und aus einem ersten Kunststoff gefertigt. Der Klingenträger 1 weist darüber hinaus Lagerstellen für z.B. drei Rasierklingen 2 sowie seitliche Rahmenteile 17 auf. Bei anderer Ausgestaltung kann der Klingenträger 1 für eine und/oder mehrere Rasierklingen 2 ausgelegt sein. Die Rasierklingen 2 stehen aus der Hauptberührungsebene 8 hervor. Diese verläuft in einem relativ spitzen Winkel α, nahezu parallel zur Längsachse des Handgriffs 5, von dem nur der obere Teil dargestellt ist. Durch diese Anordnung ist eine optimale Abhängigkeit zwischen der Kontur der zu rasierenden Fläche und der Bewegungsbahn des Benutzers gegeben. Jede andere Winkeleinstellung und auch Anbindungsverschiebungen von unten nach oben sind in Abhängigkeit vom vorgesehenen Einsatz möglich.The single FIGURE shows a blade carrier 1 with a rear transverse shoulder 9, which tapers towards the center and merges into the relatively narrow connecting part 6, which is followed by a
Wie aus der Zeichnung ferner ersichtlich ist, weist der Verbindungsteil 6 eine Verjüngung auf, so dass quasi ein Filmscharnier gegeben ist, das eine relative Biegebewegung des Klingenträgers 1 gegenüber dem Steckverbindungsteil 3 - in Abhängigkeit von der Breite - mindestens in zwei Achsebenen (X, Y) ermöglicht. Um nun die gewünschte Federcharakteristik und Biegefähigkeit sicherzustellen, ist in eine Lagerungsausnehmung im Ansatz 9 beginnend, über den Verbindungsteil 6 verlaufend und sich mit der Innenseite des Steckverbindungsteils 3 verbindend, eine Kunststoffkomponente 7, z.B. eine TPE-Komponente, im Zweikomponentenspritzgießverfahren, eingebracht. Die Breite und die Form sowie die Materialeigenschaften des verwendeten Materials dieser Kunststoffkomponente 7 bestimmen die Federcharakteristik des kombinierten Verbindungsteils 6, 7. Das kombinierte Verbindungsteil 6, 7 ist im unteren Bereich an dem Klingenträger 1 angesetzt, so dass bei der Rasur eine Kraftwirkung in gewünschter Weise gegeben ist und, je nach Stellung des Handgriffs 5 eine gewünschte Anlage der Hauptberührungsebene 8 mit den Rasierklingen 2 auf der Rasieroberfläche gegeben ist.As can also be seen from the drawing, the connecting part 6 has a taper so that, as it were, there is a living hinge, which has a relative bending movement of the blade carrier 1 relative to the connector part 3 - depending on the width - at least in two axial planes (X, Y) allows. In order to ensure the desired spring characteristic and bending capability, starting in a bearing recess in the projection 9, extending over the connecting part 6 and connecting with the inside of the
In den Klingenträger 1 sind im unteren Bereich nahe der unteren Kante 10 Durchgangskanäle (Kanäle 11) eingebracht, durch die beim Zweikomponentenspritzverfahren das Material der Kunststoffkomponente 7 in eine vorgesehene Quernut (Nut 12) einfließen kann. Durch die verwendete Form beim Einbringen ist es somit möglich, in der Quernut 12 zugleich auch eine profilierte Schaumkante aus dem gleichen Material aufzubauen.In the blade carrier 1 10 through channels (channels 11) are introduced in the lower region near the lower edge through which the material of the plastic component 7 in a two-component injection molding process in an intended transverse groove (groove 12) can flow. Due to the shape used during insertion, it is thus possible to build in the
Die Befestigung des Steckverbindungsteils 3 an dem Handgriff 5 erfolgt durch Einführen eines formangepassten, elastisch federnden Kupplungsteils 4 am Handgriff 5 in eine sacklochförmige Ausnehmung 13 im Steckverbindungsteil 3. Das Kupplungsteil 4 ist zweckmäßigerweise aus Kunststoff und z.B. einteilig aus dem Handgriff 5 vorstehend gefertigt und besteht im Ausführungsbeispiel aus zwei federnden Wänden, die im Wesentlichen parallel verlaufen und obenseitig über eine Querwand miteinander verbunden sind. Die eine Wand weist einen nach außen vorstehenden Rastansatz 14 auf, der in eine Rastausnehmung 15 in der oberen Wand des Steckverbindungsteils 3 eingreift. Das Steckverbindungsteil 3 ist von dem Kupplungsteil 4 abziehbar oder herunterschiebbar. Zum leichteren Herunterschieben ist eine Schiebeentriegelung mit einem obenseitig vorstehenden Schiebeknopf 16 vorgesehen, der z.B. mit dem Daumen nach oben schiebbar ist. Die Schiebedruckfläche untergreift dabei die Stirnkante des Steckverbindungsteils 3 und schiebt diesen nach oben bei gleichzeitiger Verdrängung des Rastansatzes 14 aus der Rastausnehmung 15. Zu diesem Zweck weist der Rastansatz 14 Auflaufschrägen auf, die mit den Kanten der Rastausnehmung 15 sowie beim Aufstecken mit der Innenkante der oberen Wand des Steckverbindungsteils 3 zusammenwirken.The attachment of the
Ferner ist die obere Wand des Kupplungsteils 4 durch Formgebung federelastisch ausgeführt. Der Vorschubhub des Schiebeknopfes 16 wird durch eine Anschlagsführung bzw. durch Führungsausnehmungen 18 an den Wänden des Kupplungsteils 4 begrenzt, in denen Anschläge 19 geführt sind. Alternativ kann eine Ausführung des Steckansatzes mit einer Auswurffunktion vorgesehen sein.Furthermore, the upper wall of the coupling part 4 is designed by elastic deformation. The feed stroke of the
Claims (8)
Applications Claiming Priority (2)
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DE10327739A DE10327739B4 (en) | 2003-06-18 | 2003-06-18 | Razor blade unit for a razor |
EP04013932A EP1488894B1 (en) | 2003-06-18 | 2004-06-15 | Razor cartridge |
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EP04013932.1 Division | 2004-06-15 | ||
EP04013932A Division EP1488894B1 (en) | 2003-06-18 | 2004-06-15 | Razor cartridge |
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EP1847360A1 true EP1847360A1 (en) | 2007-10-24 |
EP1847360B1 EP1847360B1 (en) | 2010-03-10 |
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EP07109567.3A Active EP1847360B9 (en) | 2003-06-18 | 2004-06-15 | Razor cartridge |
EP04013932A Active EP1488894B1 (en) | 2003-06-18 | 2004-06-15 | Razor cartridge |
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EP04013932A Active EP1488894B1 (en) | 2003-06-18 | 2004-06-15 | Razor cartridge |
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AT (2) | ATE367900T1 (en) |
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DE202013002343U1 (en) | 2013-03-12 | 2013-04-16 | Silag Handel Ag | Mechanical razor of simplified design |
DE202013003009U1 (en) | 2013-04-01 | 2013-06-26 | Axel R. Hidde | Mechanical comfort razor |
US9993931B1 (en) | 2016-11-23 | 2018-06-12 | Personal Care Marketing And Research, Inc. | Razor docking and pivot |
USD884970S1 (en) | 2019-02-27 | 2020-05-19 | PCMR International Ltd. | Razor cartridge guard |
USD884969S1 (en) | 2019-02-27 | 2020-05-19 | Pcmr International Ltd | Combined razor cartridge guard and docking |
USD884971S1 (en) | 2019-02-27 | 2020-05-19 | Pcmr International Ltd | Razor cartridge |
US11000960B1 (en) | 2020-11-16 | 2021-05-11 | Personal Care Marketing And Research, Inc. | Razor exposure |
US11117280B2 (en) | 2016-03-18 | 2021-09-14 | Personal Care Marketing & Research, Inc. | Razor cartridge |
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GB2408010B (en) * | 2003-11-17 | 2007-03-28 | Knowledge & Merchandising Inc | Shaving product |
DE102007050380A1 (en) * | 2007-10-22 | 2009-04-23 | Braun Gmbh | Hair-removal device has base body, at which electrical driven hair-removal unit is firmly arranged, and slider is displaceably mounted on base body |
GB0716941D0 (en) * | 2007-08-31 | 2007-10-10 | Knowledge & Merchandising Inc | Razor handle |
WO2009108855A2 (en) * | 2008-02-27 | 2009-09-03 | American Safety Razor Company | Shaving system |
EP2123410B1 (en) | 2008-05-23 | 2011-07-27 | Feintechnik GmbH Eisfeld | Razor blade unit with film hinge |
US20100011585A1 (en) * | 2008-07-16 | 2010-01-21 | Michael Maichel | Combination Shaving and Trimming Device |
US8273205B2 (en) * | 2009-07-24 | 2012-09-25 | The Gillette Company | Manufacture of pivoting resilient skin contacting members |
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WO2014051842A1 (en) | 2012-09-27 | 2014-04-03 | Shavelogic, Inc. | Shaving systems |
US9486930B2 (en) | 2012-09-27 | 2016-11-08 | Shavelogic, Inc. | Shaving systems |
WO2014051843A1 (en) | 2012-09-28 | 2014-04-03 | Shavelogic, Inc. | Shaving systems |
US9623575B2 (en) | 2012-12-18 | 2017-04-18 | Shavelogic, Inc. | Shaving systems |
US20150158192A1 (en) | 2013-12-09 | 2015-06-11 | Shavelogic, Inc. | Multi-material pivot return for shaving systems |
US11325270B2 (en) | 2014-03-21 | 2022-05-10 | Sl Ip Company Llc | Metal spring return and method |
WO2019108392A1 (en) * | 2017-11-28 | 2019-06-06 | Edgewell Personal Care Brands, Llc | Razor handle |
EP3909728A1 (en) | 2020-05-13 | 2021-11-17 | Bic Violex S.A. | Coupling mechanism |
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- 2004-06-15 EP EP04013932A patent/EP1488894B1/en active Active
- 2004-06-15 AT AT04013932T patent/ATE367900T1/en not_active IP Right Cessation
- 2004-06-15 AT AT07109567T patent/ATE460260T1/en not_active IP Right Cessation
- 2004-06-15 DE DE502004004415T patent/DE502004004415D1/en active Active
- 2004-06-15 DE DE502004010888T patent/DE502004010888D1/en active Active
- 2004-06-15 PL PL04013932T patent/PL1488894T4/en unknown
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Publication number | Priority date | Publication date | Assignee | Title |
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DE202013002343U1 (en) | 2013-03-12 | 2013-04-16 | Silag Handel Ag | Mechanical razor of simplified design |
DE202013002343U9 (en) | 2013-03-12 | 2013-07-25 | Silag Handel Ag | Mechanical razor of simplified design |
WO2014139655A2 (en) | 2013-03-12 | 2014-09-18 | Hidde Axel R | Mechanical razor having a simplified construction |
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DE202013003009U1 (en) | 2013-04-01 | 2013-06-26 | Axel R. Hidde | Mechanical comfort razor |
DE102013007223A1 (en) | 2013-04-01 | 2014-10-02 | Axel R. Hidde | Mechanical comfort razor |
US11712814B2 (en) | 2016-03-18 | 2023-08-01 | Dollar Shave Club, Inc. | Razor cartridge |
US11117280B2 (en) | 2016-03-18 | 2021-09-14 | Personal Care Marketing & Research, Inc. | Razor cartridge |
US10569435B2 (en) | 2016-11-23 | 2020-02-25 | Personal Care Marketing And Research, Inc. | Razor docking |
US10538007B2 (en) | 2016-11-23 | 2020-01-21 | Personal Care Marketing And Research, Inc. | Razor docking |
US11298845B2 (en) | 2016-11-23 | 2022-04-12 | Dollar Shave Club, Inc. | Razor docking |
US9993931B1 (en) | 2016-11-23 | 2018-06-12 | Personal Care Marketing And Research, Inc. | Razor docking and pivot |
US11745371B2 (en) | 2016-11-23 | 2023-09-05 | Dollar Shave Club, Inc. | Razor cartridge |
USD884970S1 (en) | 2019-02-27 | 2020-05-19 | PCMR International Ltd. | Razor cartridge guard |
USD884969S1 (en) | 2019-02-27 | 2020-05-19 | Pcmr International Ltd | Combined razor cartridge guard and docking |
USD884971S1 (en) | 2019-02-27 | 2020-05-19 | Pcmr International Ltd | Razor cartridge |
US11000960B1 (en) | 2020-11-16 | 2021-05-11 | Personal Care Marketing And Research, Inc. | Razor exposure |
US11254022B1 (en) | 2020-11-16 | 2022-02-22 | Personal Care Marketing And Research, Inc. | Razor exposure |
US11752649B2 (en) | 2020-11-16 | 2023-09-12 | Dollar Shave Club, Inc. | Razor exposure |
Also Published As
Publication number | Publication date |
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PL1488894T4 (en) | 2008-03-31 |
ATE460260T1 (en) | 2010-03-15 |
ES2290591T3 (en) | 2008-02-16 |
EP1847360B1 (en) | 2010-03-10 |
DE502004004415D1 (en) | 2007-09-06 |
EP1488894B1 (en) | 2007-07-25 |
DE10327739A1 (en) | 2005-01-13 |
ATE367900T1 (en) | 2007-08-15 |
ES2342497T3 (en) | 2010-07-07 |
DE10327739B4 (en) | 2006-06-08 |
EP1847360B9 (en) | 2017-12-20 |
EP1488894A1 (en) | 2004-12-22 |
PL1488894T3 (en) | 2007-12-31 |
DE502004010888D1 (en) | 2010-04-22 |
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