EP1453755A1 - Can opener - Google Patents

Can opener

Info

Publication number
EP1453755A1
EP1453755A1 EP02760028A EP02760028A EP1453755A1 EP 1453755 A1 EP1453755 A1 EP 1453755A1 EP 02760028 A EP02760028 A EP 02760028A EP 02760028 A EP02760028 A EP 02760028A EP 1453755 A1 EP1453755 A1 EP 1453755A1
Authority
EP
European Patent Office
Prior art keywords
head
handle
opener
shaped body
housing
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
Application number
EP02760028A
Other languages
German (de)
French (fr)
Other versions
EP1453755B1 (en
Inventor
Bruno Herren
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Moha Moderne Haushaltwaren AG
Original Assignee
Moha Moderne Haushaltwaren AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Moha Moderne Haushaltwaren AG filed Critical Moha Moderne Haushaltwaren AG
Priority to EP02760028A priority Critical patent/EP1453755B1/en
Publication of EP1453755A1 publication Critical patent/EP1453755A1/en
Application granted granted Critical
Publication of EP1453755B1 publication Critical patent/EP1453755B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B7/00—Hand- or power-operated devices for opening closed containers
    • B67B7/30—Hand-operated cutting devices
    • B67B7/34—Hand-operated cutting devices with rotatable cutters

Definitions

  • the present invention relates to a manually operated can opener with a single handle-shaped injection-molded body and a head, in the form of a housing in which a cutting mechanism is installed, which has a driving wheel which can be actuated by means of a rotary knob and which interacts with the inner and upper region of the edge of a can and comprises a cutting wheel cutting on the outer edge of the can, the axes of both wheels being mounted in the housing running perpendicular to one another.
  • This prior art can opener is known from US-A-2001/0022030.
  • Can openers are available in practically every household. They are among the most widespread kitchen appliances at all. For around thirty years, the market has been dominated by can openers according to DE-A-19619 989, which are designed like pliers and in which a cutting wheel cuts the can within the peripheral edge, while a driving wheel is supported on the outer edge of the can. The driving wheel and cutting wheel are mostly over in these versions interlocking gears coupled together. This creates a sharp-edged rondelle, which could often injure you. Resealability was only possible if the rondelle was not completely cut through. After a few bow movements, the rondelle usually broke off the can.
  • the new generation of can openers that are of interest here works with a cutting wheel that cuts through the edge on the outer edge of the can, while the drive wheel runs along the inside and along the top of the edge.
  • a support element holds the can to be opened in a predetermined, desired angular position relative to the can opener.
  • Can openers of this type are known for example from US-A-4,782,594, US-A-5, 946, 811, GB-A-2334939, EP-B-0'541'620 or also WO-A-Ol / 40096 known.
  • two basic types are to be distinguished in principle, namely those with two handle-shaped bodies and versions according to US-A-2001/0022030 with a single handle-shaped body.
  • the handle-shaped bodies only serve to be able to change the relative distance between the cutting wheel and the driving wheel when the can opener is attached.
  • the distance between the cutting wheel and the driving wheel is practically identical within a small tolerance range.
  • the parts that are operatively connected to the can are always made of metal.
  • These metal parts, and usually also corresponding metal bearing bushes, are usually stored in a plastic housing, which is usually composed of several parts in order to enable appropriate installation.
  • This head part is integrally connected to the handle-shaped body.
  • Can openers with a single handle-shaped body which also have a drive wheel and a cutting wheel, have been available for seventy years, but here the axes of both wheels are parallel and, accordingly, no housing-shaped head in which the axes are mounted perpendicular to one another is required.
  • the head consists of a stamped sheet metal part, to which a handle made of any material and with completely different manufacturing methods is releasably attached is.
  • the modular structure according to the invention allows the complex and cost-intensive head part of the can opener to be produced consistently in large numbers while all connected parts, namely the handle-shaped body, the rotary knob for actuating the driving wheel and the support element can be separately manufactured and individually designed elements that only have to be adapted to the mass-produced head with regard to the connecting means and the connection dimensions, while otherwise they are completely can be freely designed.
  • These elements are much simpler to manufacture, and several different handle-shaped bodies and / or several differently designed rotary knobs for actuating the drive wheel can be produced in a single multiple tool right from the start.
  • the individual elements can be combined in virtually any way. In this way, a large variety of can openers can be realized with relatively few injection molding tools.
  • the head is also possible to realize the head from other materials, such as high-quality plastics, so that the head, which is practically the only part, has certain wearing parts has, can be manufactured more permanently.
  • Figures 1-4 four views of a first embodiment of a separately designed head of a can opener according to the invention.
  • Figures 5-8 corresponding four views of a second embodiment of a head of a modular can opener.
  • FIGS. 9-11 show a partially assembled can opener with differently shaped handle bodies using a head according to FIGS. 1-4 and
  • FIG. 12 shows the top view of an embodiment of such a can opener.
  • Figures 13 and 14 show a first embodiment of a rotary knob in two side views
  • Figures 15 and 16 a second embodiment in the same side views.
  • FIGS. 17-19 show three embodiments in which the head of a can opener according to FIGS. 5-8 has been used and has been combined with the rotary handles according to FIGS. 9-11.
  • FIG. 20 shows the view of a can opener according to one of FIGS. 17-19 in a view from above, here the can opener being combined with a rotary knob according to FIGS. 15 and 16 and with a support element
  • the head according to the invention is designated by 1.
  • the latter essentially has the shape of a cylindrical disk 2 which has a convex surface 3 along the outer circumference.
  • With 4 is an attachment molded thereon, which is integrally formed with the cylindrical disc 2.
  • the approach 4 ends in a circular connection surface 5, in which is arranged centrally with a coupling means 6.
  • this coupling means 6 is designed as a blind hole with an internal thread 7.
  • the handle-shaped body should have a correspondingly suitable coupling means for connection, namely a threaded rod section which fits into the blind hole with an internal thread.
  • a correspondingly suitable coupling means for connection namely a threaded rod section which fits into the blind hole with an internal thread.
  • the arrangement can be reversed and the head 1 can have a screw-shaped coupling means 6 centrally in the circular connection surface, while the handle-shaped body should then have a corresponding blind hole with an internal thread.
  • the latter variant is the more preferred form, since the handle-shaped body should usefully be a plastic part that is easy to manufacture.
  • connection surfaces 5 of the head and of the handle-shaped body are designed exactly the same. In the assembled state, this results in a paragraph-free transition that leaves no space for residues from the opened can. The hygienically perfect design of the one-hour solutions is retained.
  • FIG. 1 shows a spherically inwardly curved surface 2 ′ which is molded into the cylindrical disk 2.
  • the mechanical parts namely the cutting wheel S and the drive wheel T, are shown schematically in dashed lines.
  • the spherically inwardly shaped surface 2 'takes into account the circular shape of the edge of the can to be severed.
  • the receiving holes 8, which serve to receive a support element, are also formed on this side.
  • the support element has also been omitted in this illustration.
  • the second embodiment of a head 1 is shown in Figures 5-8. In principle, the embodiment according to FIGS. 5-8 differs from the first embodiment shown essentially by the aesthetic design.
  • the actual body here is not designed as a cylindrical disk 2 but practically like a somewhat flattened and curved drop. Otherwise, the housing 9 also opens into a circular connection surface 5.
  • the circular connection surface 5 is provided with a coupling means 6.
  • the coupling means 6 is designed here as a pine cone-shaped connecting pin 10. This results in a simple, only partially detachable, irreversibly interacting connection with the handle-shaped body, also not shown here, which accordingly has a suitable blind hole, etc.
  • Such a connection is particularly suitable if the entire housing 9 with the connecting pin 10 is made, for example, of metal, preferably die-cast aluminum, and the handle-shaped body to be connected to it is made of a relatively soft plastic.
  • FIG. 5 is shown here with a view of that side surface of the housing 9 on which the rotary knob (not shown here) for actuating the cutting wheel is arranged.
  • the concave depression 2 'lies on the opposite side and is therefore only shown in broken lines, as also in FIG. 8.
  • the head 1 is connected to various handle-like bodies 11, 12, 13 according to the embodiment according to FIGS. 1-4.
  • the handle-shaped body is shown, for example, as a cylindrical element with a rounded end 14.
  • FIG. 10 shows a variant in which the handle-shaped body 12 shows an oval cross section with corresponding adjustment, while FIG. 11 shows another one differently shaped handle-shaped body 13 shows.
  • view 12 shows a view from above, for example of the embodiment according to FIG. 9.
  • rounded end 14 could also be designed as a separate part.
  • FIGS. 13 and 14 show a first embodiment of a rotary knob 20, the actual gripping surface 21 in the embodiment according to FIGS. 13 and 14 being formed from two circular disks 21 which are integrally connected to a hemispherical body part 22.
  • the actual wing of the rotary knob 20 is drawn as an oval wing.
  • FIG. 21 shows an embodiment of a
  • Support element 30 This is usually made of metal manufactured and can be inserted into the connector holes 8.
  • various embodiments of the support element 30 can also be realized here, even if only one exemplary embodiment is shown in the accompanying drawing.

Abstract

So-called safety can openers are mechanically more complex than standard can openers. The invention aims at producing a can opener capable of being economically produced in a number of different shapes. Therefor, the inventive can opener comprises a body in the form of a handle and a head (1) in the form of a housing wherein is provided a cutting mechanism (S, T) which includes a drive wheel (T) with rotary head (20), co-operating with the inner rim of a can, and a cutting wheel (S) which cuts the outer rim of the can. The head (1) is a housing wherein the axes of the two wheels are mutually perpendicular. Said can opener has a modular design. The injection-moulded head (1) forms an element separate from the body (11) in the shape of a handle, likewise injection-moulded, or can be assembled to the latter (11) by completely releasable or partly releasable coupling means (6).

Description

Dosenöffner tin opener
Die vorliegende Erfindung betrifft einen manuell zu betätigenden Dosenöffner mit einem einzigen griffformigen spritzgusstechnisch gefertigten Körper und einem Kopf, in der Form eines Gehäuses in dem ein Schneidmechanismus eingebaut ist, der ein mit dem inneren und oberen Bereich des Randes einer Dose zusammenwirkendes mittels einem Drehknopf betätigbares Treibrad und ein am ausseren Rand der Dose schneidendes Schneidrad umfasst, wobei die Achsen beider Räder senkrecht zueinanderverlaufend im Gehäuse gelagert sind. Dieser der Stand der Technik bildender Dosenöffner ist aus der US-A- 2001/0022030 bekannt.The present invention relates to a manually operated can opener with a single handle-shaped injection-molded body and a head, in the form of a housing in which a cutting mechanism is installed, which has a driving wheel which can be actuated by means of a rotary knob and which interacts with the inner and upper region of the edge of a can and comprises a cutting wheel cutting on the outer edge of the can, the axes of both wheels being mounted in the housing running perpendicular to one another. This prior art can opener is known from US-A-2001/0022030.
Dosenöffner sind in praktisch jedem Haushalt vorhanden. Sie gehören zu den weitestverbreiteten Küchengeräten überhaupt. Seit rund dreissig Jahren wird der Markt von Dosenöffnern gemäss der DE-A-19619 989 beherrscht, die zangenförmig gestaltet sind und bei denen ein Schneidrad die Dose innerhalb des umlaufenden Randes durchtrennt, während ein Treibrad auf der Dosenaussenkante sich abstützt. Treibrad und Schneidrad sind bei diesen Ausführungen meist über ineinandergreifende Zahnräder miteinander gekoppelt. Hierbei entsteht eine scharfkantige Rondelle, an der man sich häufig verletzen konnte. Die iederverschliessbarkeit war nur gegeben, wenn man die Rondelle nicht vollständig durchtrennte. Nach wenigen Bugbewegungen brach die Rondelle meist von der Dose ab.Can openers are available in practically every household. They are among the most widespread kitchen appliances at all. For around thirty years, the market has been dominated by can openers according to DE-A-19619 989, which are designed like pliers and in which a cutting wheel cuts the can within the peripheral edge, while a driving wheel is supported on the outer edge of the can. The driving wheel and cutting wheel are mostly over in these versions interlocking gears coupled together. This creates a sharp-edged rondelle, which could often injure you. Resealability was only possible if the rondelle was not completely cut through. After a few bow movements, the rondelle usually broke off the can.
Die neue Generation der Dosenöffner, die hier interessiert, arbeitet mit einem Schneidrad, welches auf der Dosenaussenkante den Rand durchtrennt, während das Treibrad auf der Innenseite und auf dem oberen Bereich des Randes entlang läuft. Ein Auflageelement hält die zu öffnende Dose in einer vorgegebenen, gewünschten Winkellage zum Dosenöffner. Dosenöffner dieses Typus sind beispielsweise aus der US-A-4,782,594, der US-A-5, 946 , 811, der GB-A-2334939, der EP-B-0'541'620 oder auch der WO-A-Ol/40096 bekannt.The new generation of can openers that are of interest here works with a cutting wheel that cuts through the edge on the outer edge of the can, while the drive wheel runs along the inside and along the top of the edge. A support element holds the can to be opened in a predetermined, desired angular position relative to the can opener. Can openers of this type are known for example from US-A-4,782,594, US-A-5, 946, 811, GB-A-2334939, EP-B-0'541'620 or also WO-A-Ol / 40096 known.
Bei diesen erwähnten Ausführungen sind prinzipiell zwei Grundtypen zu unterscheiden, nämlich solche mit zwei griffformigen Körper und Versionen gemäss der US-A- 2001/0022030 mit einem einzigen griffformigen Körper. Die griffformigen Körper dienen lediglich dazu, die Relativdistanz zwischen Schneidrad und Treibrad beim Ansetzen des Dosenöffners verändern zu können. Während des Betriebes ist jedoch die Distanz zwischen Schneidrad und Treibrad innerhalb eines kleinen Toleranzbereiches praktisch identisch. Dies ist auch nicht verwunderlich, sind doch die Masse der zu öffnenden Dosen genormt und entsprechend sind kaum Variationen festzustellen. Aus diesem Grund erübrigt sich praktisch die zangenförmige Version, und die EingriffVersionen setzen sich vermehrt auf dem Markt durch.In the above-mentioned embodiments, two basic types are to be distinguished in principle, namely those with two handle-shaped bodies and versions according to US-A-2001/0022030 with a single handle-shaped body. The handle-shaped bodies only serve to be able to change the relative distance between the cutting wheel and the driving wheel when the can opener is attached. During operation, however, the distance between the cutting wheel and the driving wheel is practically identical within a small tolerance range. This is not surprising, since the mass of the cans to be opened are standardized and corresponding hardly any variations. For this reason, the plier-shaped version is practically no longer necessary, and the engaging versions are becoming increasingly popular on the market.
Bei den heutigen Dosenöffnern sind die mit der Dose in Wirkverbindung stehenden Teile, wie Schneidrad und Treibrad sowie deren Achsen immer aus Metall. Diese Metallteile, sowie meist auch entsprechende Lagerbuchsen aus Metall sind meist in einem Kunststoffgehäuse gelagert, das sich meist auch aus mehreren Teilen zusammensetzt, um einen entsprechenden Einbau zu ermöglichen. Dieser Kopfteil ist einstückig mit dem griffformigen Körper verbunden.In today's can openers, the parts that are operatively connected to the can, such as the cutting wheel and drive wheel, as well as their axes, are always made of metal. These metal parts, and usually also corresponding metal bearing bushes, are usually stored in a plastic housing, which is usually composed of several parts in order to enable appropriate installation. This head part is integrally connected to the handle-shaped body.
Zwar sind bereit seit siebzig Jahren Dosenöffner mit einem einzigen griffformigen Körper vorhanden, die auch ein Treibrad und ein Schneidrad aufweisen, doch sind hier die Achsen beider Räder parallel und entsprechend ist kein gehäuseförmiger Kopf in den die Achsen senkrecht zueinander lagern erforderlich.Can openers with a single handle-shaped body, which also have a drive wheel and a cutting wheel, have been available for seventy years, but here the axes of both wheels are parallel and, accordingly, no housing-shaped head in which the axes are mounted perpendicular to one another is required.
Bei Ausführungen der obengenannten Art, wie aus der US-A-1756 487 oder der CH-A-455 547 bekannt, besteht der Kopf aus einem gestanzten Blechteil, an dem ein Griff aus einem beliebigem Material und mit völlig unterschiedlichen Fertigungsverfahren hergestellt bedingt lösbar befestigt ist.In embodiments of the above-mentioned type, as known from US-A-1756 487 or CH-A-455 547, the head consists of a stamped sheet metal part, to which a handle made of any material and with completely different manufacturing methods is releasably attached is.
Völlig anders ist jedoch sie Situation bei Dosenöffner mit einem spritzgusstechnisch gefertigten griffformigen Körper und einen spritzgusstechnisch gefertigten Kopf. Hier gebietet die ökonomische Fertigung die einstückige Herstellung, um dadurch Spritzgussformen zu sparen, wie dies deutlich die Lösungen gemäss der US-A-4365417 oder die bisherige Lösung der Anmelderin, nämlich die US-A-2001/0022030 oder die US-A- 5 946 811 zeigen.However, the situation is completely different for can openers with an injection-molded handle-shaped body and an injection molded head. Here, economical production requires one-piece production in order to save injection molds, as is clearly the case with the solutions according to US-A-4365417 or the previous solution of the applicant, namely US-A-2001/0022030 or US-A-5 946 811 show.
Die individuelle Gestaltung von Haushaltsgeräten ist auf dem Markt von eminenter Bedeutung. Praktisch jeder grössere eigenständige Vertriebskanal verlangt einen individualisierten Dosenöffner. Dies bedingt jedes Mal einen Satz entsprechender Produktionswerkzeuge, der ausgesprochen teuer ist. Besonders teuer wird die Ausführung, weil bei einer Veränderung der Gestalt auch der gesamte mechanische Anteil angepasst werden musste.The individual design of household appliances is of eminent importance on the market. Practically every major independent sales channel requires an individualized can opener. This requires a set of appropriate production tools each time, which is extremely expensive. The design is particularly expensive because the entire mechanical part had to be adjusted if the shape changed.
Es ist die Aufgabe der vorliegenden Erfindung, einen Dosenöffner gemäss Oberbegriff des Patentanspruches 1 zu schaffen, der mit wesentlich geringeren Investitionen individuell anpassbar gestaltet sein kann.It is the object of the present invention to create a can opener according to the preamble of claim 1, which can be designed to be individually adaptable with significantly lower investments.
Diese Aufgabe löst ein manuell zu betätigender Dosenöffner mit einem griffformigen Körper mit einem Kopf, der die Merkmale des Patentanspruches 1 aufweist .This task is solved by a manually operated can opener with a handle-shaped body with a head, which has the features of claim 1.
Der erfindungsgemässe modulare Aufbau erlaubt es, den komplexen und kostenintensiven Kopfteil des Dosenöffners in grossen Zahlen immer gleichbleibend zu produzieren, während alle daran anschliessenden Teile, nämlich der griffförmige Körper, der Drehknopf zur Betätigung des Treibrades sowie das Auflägeelernent getrennt gefertigte und individuell gestaltete Elemente sein können, die lediglich bezüglich der Verbindungsmittel und der Anschlussdimensionen auf den in Grossserien hergestellten Kopf angepasst sein müssen, während sie sonst völlig frei gestaltet sein können. Diese Elemente sind in der Herstellung wesentlich einfacher, und es können bereits von Beginn weg in einem einzigen Mehrfachwerkzeug mehrere unterschiedliche griffförmige Körper und/oder mehrere unterschiedlich gestaltete Drehknöpfe zur Betätigung des Antriebrades gefertigt werden. Zudem lassen sich die einzelnen Elemente dank dem modularen Aufbau praktisch beliebig kombinieren. Auf diese Weise lässt sich mit relativ wenigen Spritzgusswerkzeugen eine grosse Variantenvielfalt an Dosenöffnern realisieren.The modular structure according to the invention allows the complex and cost-intensive head part of the can opener to be produced consistently in large numbers while all connected parts, namely the handle-shaped body, the rotary knob for actuating the driving wheel and the support element can be separately manufactured and individually designed elements that only have to be adapted to the mass-produced head with regard to the connecting means and the connection dimensions, while otherwise they are completely can be freely designed. These elements are much simpler to manufacture, and several different handle-shaped bodies and / or several differently designed rotary knobs for actuating the drive wheel can be produced in a single multiple tool right from the start. In addition, thanks to the modular structure, the individual elements can be combined in virtually any way. In this way, a large variety of can openers can be realized with relatively few injection molding tools.
Hinzu kommt, dass es dank der grossen Stückzahlen einerseits und andererseits durch die Abtrennung des Kopfes vom griffformigen Körper auch möglich ist, den Kopf auch aus anderen Materialien, wie aus hochwertigeren Kunststoffen zu realisieren, so dass der Kopf, der praktisch als einziges Teil gewisse Verschleissteile aufweist, dauerhafter hergestellt werden kann.In addition, thanks to the large quantities on the one hand and the separation of the head from the handle-shaped body on the other hand, it is also possible to realize the head from other materials, such as high-quality plastics, so that the head, which is practically the only part, has certain wearing parts has, can be manufactured more permanently.
Weitere Ausführungsformen gehen aus den abhängigen Ansprüchen hervor, und deren Bedeutung und Wirkung ist in der nachfolgenden Beschreibung mit Bezug auf die anliegenden Zeichnungen erläutert. In den Zeichnungen sind lediglich die prinzipiellen Gestaltungen wiedergegeben unter Vereinfachung beziehungsweise Weglassung der mechanischen Funktionsteile, die der bekannten Technologie entsprechen. Es zeigen:Further embodiments emerge from the dependent claims, and their meaning and effect is in the following description with reference to the attached Drawings explained. In the drawings, only the basic designs are shown, with simplification or omission of the mechanical functional parts that correspond to the known technology. Show it:
Figuren 1-4 vier Ansichten einer ersten Ausführungsform eines separat gestalteten Kopfes eines erfindungsgemässen Dosenöffners undFigures 1-4 four views of a first embodiment of a separately designed head of a can opener according to the invention and
Figuren 5-8 entsprechende vier Ansichten einer zweiten Ausführungsform eines Kopfes eines modular aufgebauten Dosenöffners. DieFigures 5-8 corresponding four views of a second embodiment of a head of a modular can opener. The
Figuren 9-11 zeigen einen teilweise zusammengebauten Dosenöffner mit verschieden gestalteten Griffkörpern unter Verwendung eines Kopfes gemäss den Figuren 1-4 undFIGS. 9-11 show a partially assembled can opener with differently shaped handle bodies using a head according to FIGS. 1-4 and
Figur 12 zeigt die Aufsicht auf eine Ausführungsform eines solchen Dosenöffners.FIG. 12 shows the top view of an embodiment of such a can opener.
Figuren 13 und 14 zeigen eine erste Ausführungsform eines Drehknopfes in zwei Seitenansichten und dieFigures 13 and 14 show a first embodiment of a rotary knob in two side views and
Figuren 15 und 16 eine zweite Ausführungsform in denselben Seitenansichten. In denFigures 15 and 16 a second embodiment in the same side views. In the
Figuren 17-19 sind drei Ausführungsformen dargestellt, bei denen der Kopf eines Dosenöffners gemäss den Figuren 5-8 verwendet worden ist und mit den Drehgriffen gemäss den Figuren 9-11 kombiniert worden ist. Figur 20 zeigt die Ansicht eines Dosenöffners gemäss einer der Figuren 17-19 in der Ansicht von oben, wobei hier der Dosenöffner mit einem Drehknopf gemäss den Figuren 15 und 16 und mit einem Auflageelement kombiniert ist, wobei inFIGS. 17-19 show three embodiments in which the head of a can opener according to FIGS. 5-8 has been used and has been combined with the rotary handles according to FIGS. 9-11. FIG. 20 shows the view of a can opener according to one of FIGS. 17-19 in a view from above, here the can opener being combined with a rotary knob according to FIGS. 15 and 16 and with a support element
Figur 21 dieses Auflageelement separat dargestellt ist .Figure 21 this support element is shown separately.
In sämtlichen Figuren sind die mechanischen Wirkungsteile, wie Schneidrad und Treibrad, sowie deren Achsen weggelassen. Diese Mechanik ist aus den US-5 946 811 und US 2001/0022030 bekannt, und es wird diesbezüglich auf diese Dokumente verwiesen. In der Zeichnung ist der erfindungsgemässe Kopf mit 1 bezeichnet. In der Ausführungsform gemäss den Figuren 1-4 hat dieser im wesentlichen die Form einer zylindrischen Scheibe 2, die entlang dem äusserem Umfang eine bombierte Fläche 3 aufweist. Mit 4 ist ein daran angeformter Ansatz bezeichnet, der integral mit der zylindrischen Scheibe 2 geformt ist. Der Ansatz 4 endet in einer kreisförmigen Anschlussfläche 5, in der zentrisch mit einem Kupplungsmittel 6 angeordnet ist. In der hier dargestellten Ausführungsform ist dieses Kupplungsmittel 6 als Sackloch mit Innengewinde 7 gestaltet. Der hier nicht dargestellte griffförmige Körper sollte zur Verbindung ein entsprechend passendes Kupplungsmittel aufweisen, nämlich einen in das Sackloch mit Innengewinde passender Gewindestababschnitt. Selbstverständlich kann die Anordnung auch umgekehrt sein und der Kopf 1 kann zentrisch in der kreisförmigen Anschlussfläche ein schraubenförmiges Kupplungsmittel 6 aufweisen, während der griffförmige Körper dann ein entsprechendes Sackloch mit Innengewinde aufweisen sollte. Die letztgenannte Variante ist die eher bevorzugte Form, da sinnvollerweise der griffförmige Körper möglichst ein einfach herzustellender Kunststoffteil sein sollte.In all figures, the mechanical parts, such as cutting wheel and driving wheel, and their axes are omitted. This mechanism is known from US 5,946,811 and US 2001/0022030 and reference is made to these documents in this regard. In the drawing, the head according to the invention is designated by 1. In the embodiment according to FIGS. 1-4, the latter essentially has the shape of a cylindrical disk 2 which has a convex surface 3 along the outer circumference. With 4 is an attachment molded thereon, which is integrally formed with the cylindrical disc 2. The approach 4 ends in a circular connection surface 5, in which is arranged centrally with a coupling means 6. In the embodiment shown here, this coupling means 6 is designed as a blind hole with an internal thread 7. The handle-shaped body, not shown here, should have a correspondingly suitable coupling means for connection, namely a threaded rod section which fits into the blind hole with an internal thread. Of course, the arrangement can be reversed and the head 1 can have a screw-shaped coupling means 6 centrally in the circular connection surface, while the handle-shaped body should then have a corresponding blind hole with an internal thread. The latter variant is the more preferred form, since the handle-shaped body should usefully be a plastic part that is easy to manufacture.
Aus hygienischen Gründen ist es aber besonders vorteilhaft, wenn die Anschlussflächen 5 vom Kopf und vom griffformigen Körper exakt gleich gestaltet sind. So ergibt sich im zusammengebauten Zustand ein absatzfreier Übergang, der keinen Ansatzraum für Reste aus der geöffneten Dose belässt. Damit bleibt die hygienisch einwandfreie Gestaltung der einstündigen Lösungen erhalten.For hygienic reasons, however, it is particularly advantageous if the connection surfaces 5 of the head and of the handle-shaped body are designed exactly the same. In the assembled state, this results in a paragraph-free transition that leaves no space for residues from the opened can. The hygienically perfect design of the one-hour solutions is retained.
In der Figur 1 blickt man auf eine sphärisch nach innen gewölbte Fläche 2 ' , die in die zylindrische Scheibe 2 eingeformt ist. Auf dieser Seite des Kopfes 1 sind die schematisch strichliniert dargestellten mechanischen Teile, nämlich das Schneidrad S und das Treibrad T angeordnet. Die sphärisch nach innen geformte Fläche 2 ' trägt der kreisförmigen Gestalt des zu durchtrennenden Randes der Dose Rechnung. Auf dieser Seite sind auch die Aufnahmelöcher 8 eingeformt, die der Aufnahme eines Auflageelementes dienen. Das Auflageelement ist in dieser Darstellung ebenfalls weggelassen worden. Die zweite Ausführungsform eines Kopfes 1 ist in den Figuren 5-8 gezeigt. Prinzipiell unterscheidet sich die Ausführung gemäss den Figuren 5-8 von der erstgezeigten Ausführung im wesentlichen durch die ästhetische Gestaltung. Der eigentliche Körper ist hier nicht als zylindrische Scheibe 2 sondern praktisch wie ein etwas flachgedrückter und gekrümmter Tropfen gestaltet. Das Gehäuse 9 mündet ansonsten auch wiederum in eine kreisförmige Anschlussfläche 5. Auch hier ist die kreisförmige Anschlussfläche 5 mit einem Kupplungsmittel 6 versehen. Das Kupplungsmittel 6 ist hier als tannenzapfenförmiger Verbindungszapfen 10 gestaltet. Dies ergibt eine einfache, nur bedingt lösbare, irreversibel zusammenwirkende Verbindung mit dem auch hier nicht dargestellten griffformigen Körper, der entsprechend ein passendes Sackloch aufweisen uss. Eine solche Verbindung ist besonders geeignet, wenn das gesamte Gehäuse 9 mit dem Verbindungszapfen 10 beispielsweise aus Metall, vorzugsweise Aluminiumdruckguss, gefertigt ist und der daran anzuschliessende griffförmige Körper aus einem relativ weichen Kunststoff gefertigt ist.1 shows a spherically inwardly curved surface 2 ′ which is molded into the cylindrical disk 2. On this side of the head 1 the mechanical parts, namely the cutting wheel S and the drive wheel T, are shown schematically in dashed lines. The spherically inwardly shaped surface 2 'takes into account the circular shape of the edge of the can to be severed. The receiving holes 8, which serve to receive a support element, are also formed on this side. The support element has also been omitted in this illustration. The second embodiment of a head 1 is shown in Figures 5-8. In principle, the embodiment according to FIGS. 5-8 differs from the first embodiment shown essentially by the aesthetic design. The actual body here is not designed as a cylindrical disk 2 but practically like a somewhat flattened and curved drop. Otherwise, the housing 9 also opens into a circular connection surface 5. Here too, the circular connection surface 5 is provided with a coupling means 6. The coupling means 6 is designed here as a pine cone-shaped connecting pin 10. This results in a simple, only partially detachable, irreversibly interacting connection with the handle-shaped body, also not shown here, which accordingly has a suitable blind hole, etc. Such a connection is particularly suitable if the entire housing 9 with the connecting pin 10 is made, for example, of metal, preferably die-cast aluminum, and the handle-shaped body to be connected to it is made of a relatively soft plastic.
Die Figur 5 ist hier mit Blick auf jene Seitenfläche des Gehäuses 9 gezeigt, auf der der hier nicht dargestellte Drehknopf zur Betätigung des Schneidrades angeordnet ist. Die konkave Vertiefung 2 ' liegt auf der gegenüberliegenden Seite und ist daher lediglich strichliniert gezeigt, wie auch in der Figur 8. In den Figuren 9-12 ist der Kopf 1 gemäss der Ausführung nach den Figuren 1-4 mit verschiedenen griffformigen Körpern 11, 12, 13 verbunden. Bei der Ausführung gemäss der Figur 9 ist der griffförmige Körper beispielsweise als zylindrisches Element gezeigt mit einem gerundeten Ende 14. Demgegenüber zeigt die Figur 10 eine Variante, bei der der griffförmige Körper 12 einen ovalen Querschnitt zeigt mit entsprechender Anpassung, während die Figur 11 einen nochmals anders gestalteten griffformigen Körper 13 zeigt. Die Ansicht 12 zeigt schliesslich eine Ansicht von oben beispielsweise der Ausführung gemäss der Figur 9. Selbstverständlich könnte das gerundete Ende 14 auch als separates Teil gestaltet sein.FIG. 5 is shown here with a view of that side surface of the housing 9 on which the rotary knob (not shown here) for actuating the cutting wheel is arranged. The concave depression 2 'lies on the opposite side and is therefore only shown in broken lines, as also in FIG. 8. In FIGS. 9-12, the head 1 is connected to various handle-like bodies 11, 12, 13 according to the embodiment according to FIGS. 1-4. In the embodiment according to FIG. 9, the handle-shaped body is shown, for example, as a cylindrical element with a rounded end 14. In contrast, FIG. 10 shows a variant in which the handle-shaped body 12 shows an oval cross section with corresponding adjustment, while FIG. 11 shows another one differently shaped handle-shaped body 13 shows. Finally, view 12 shows a view from above, for example of the embodiment according to FIG. 9. Of course, rounded end 14 could also be designed as a separate part.
In den Figuren 13 und 14 ist eine erste Ausführungsform eines Drehknopfes 20 gezeigt, wobei die eigentliche Grifffläche 21 in der Ausführung gemäss den Figuren 13 und 14 aus zwei kreisförmigen Scheiben 21 gestaltet ist, die einstückig mit einem halbkugelförmigen Körperteil 22 verbunden sind. In der Ausführung gemäss den Figuren 15 und 16 ist der eigentliche Flügel des Drehknopfes 20 als ovaler Flügel gezeichnet.FIGS. 13 and 14 show a first embodiment of a rotary knob 20, the actual gripping surface 21 in the embodiment according to FIGS. 13 and 14 being formed from two circular disks 21 which are integrally connected to a hemispherical body part 22. In the embodiment according to FIGS. 15 and 16, the actual wing of the rotary knob 20 is drawn as an oval wing.
In den Figuren 17-20 sind Kombinationen des Kopfes 1 mit derIn Figures 17-20 combinations of the head 1 with the
Gehäuseform 9 kombiniert mit den Griffen 11-13, wie in denHousing shape 9 combined with the handles 11-13, as in the
Figuren 9-11 gezeigt, dargestellt. Diese Darstellungen dienen im wesentlichen dazu um zu zeigen, wie mit relativ wenigenFigures 9-11 shown. These representations are essentially used to show how with relatively few
Elementen eine Vielzahl von Kombinationen erreichbar ist.Elements a variety of combinations can be achieved.
Letztlich zeigt die Figur 21 noch eine Ausführungsform einesFinally, FIG. 21 shows an embodiment of a
Auflageelementes 30. Dieses ist normalerweise aus Metall gefertigt und kann steckbar in die Anschlusslöcher 8 eingefügt werden. Selbstverständlich können auch hier verschiedenste Ausführungsformen des Auflageelementes 30 realisiert werden, auch wenn in der beiliegenden Zeichnung lediglich ein Ausführungsbeispiel gezeigt ist. Support element 30. This is usually made of metal manufactured and can be inserted into the connector holes 8. Of course, various embodiments of the support element 30 can also be realized here, even if only one exemplary embodiment is shown in the accompanying drawing.
Liste der BezugszahlenList of reference numbers
1 Kopf1 head
2 zylindrische Scheibe2 cylindrical disc
2 ' sphärisch nach innen gewölbte Fläche2 'spherically curved surface
3 bombierte Fläche3 domed surface
4 Ansatz4 approach
5 kreisförmige Anschlussfläche5 circular connection surface
6 Kupplungsmittel6 coupling agents
7 Sackloch mit Innengewinde7 blind hole with internal thread
8 Aufnahmelöcher8 holes
9 Gehäuse9 housing
10 tannenzapfenförmiger Verbindungszapfen10 pine cone-shaped connecting pins
11 zylindrischer griffförmiger Körper11 cylindrical handle-shaped body
12 ovaler griffförmiger Körper12 oval handle-shaped body
13 griffförmiger Körper13 handle-shaped body
14 gerundetes Ende14 rounded end
20 Drehknopf20 rotary knob
21 Kreisförmige21 circular
22 halbkugelförmiger Körperteil22 hemispherical body part
23 ovaler Flügel23 oval wing
30 Auflageelement 30 support element

Claims

Patentansprüche claims
1. Manuell zu betätigender Dosenöffner mit einem einzigen, griffformigen spritzgusstechnisch gefertigter Körper (11, 12, 13) und einem Kopf (1) in der Form eines Gehäuses, in dem ein Schneidmechanismus eingebaut ist, der ein mit dem inneren und oberen Bereich des Randes einer Dose zusammenwirkendes mittels einem Drehknopf (20) -betätigbares Treibrad (T) und ein am ausseren Rand der Dose schneidendes Schneidrad (S) umfasst, wobei die Achsen beider Räder senkrecht zueinander verlaufend im Gehäuse gelagert sind, dadurch gekennzeichnet, dass der Dosenöffner modular aufgebaut ist, wobei der Kopf (1) ein vom einzigen griffformigen Körper (11, 12, 13) getrennt spritzgusstechnisch gefertigtes Element ist und mit lösbaren oder bedingt lösbaren Kupplungsmitteln (6) mit dem einzigen griffformigen Körper (11, 12, 13) verbunden ist .1. Manually operated can opener with a single, handle-shaped injection-molded body (11, 12, 13) and a head (1) in the form of a housing in which a cutting mechanism is installed, one with the inner and upper area of the edge a can cooperating drive wheel (T) which can be actuated by means of a rotary knob (20) and a cutting wheel (S) which cuts on the outer edge of the can, the axes of both wheels being mounted perpendicular to one another in the housing, characterized in that the can opener has a modular structure The head (1) is an element that is injection-molded from the single handle-shaped body (11, 12, 13) and is connected to the single handle-shaped body (11, 12, 13) by detachable or partially detachable coupling means (6).
2. Dosenöffner nach Anspruch 1, dadurch gekennzeichnet, dass der mit dem Treibrad (T) in Wirkverbindung stehende Drehgriff (20) lösbar oder bedingt lösbar auf der Achse des Treibrades aufsetzbar ist.2. Can opener according to claim 1, characterized in that the rotary handle (20) which is operatively connected to the drive wheel (T) can be releasably or partially releasably placed on the axis of the drive wheel.
3. Dosenöffner nach Anspruch 1, dadurch gekennzeichnet, dass im Kopf (1) des Dosenöffners Aufnahmemittel (8) zur lösbaren oder bedingt lösbaren Verbindung eines Auflageelementes (30) mit dem Kopf (1) angeordnet sind. 3. Can opener according to claim 1, characterized in that in the head (1) of the can opener receiving means (8) for releasable or partially detachable connection of a support element (30) with the head (1) are arranged.
4. Dosenöffner nach Anspruch 1, dadurch gekennzeichnet, dass der Kopf (1) aus einem gegenüber dem griffformigen Körper (11, 12, 13) robusteren Material gefertigt ist.4. Can opener according to claim 1, characterized in that the head (1) is made of a more robust material than the handle-shaped body (11, 12, 13).
5. Dosenöffner nach Anspruch 1, dadurch gekennzeichnet, dass der Kopf (1) aus einem mit aktiven Füllstoffen verbesserten Kunststoff gefertigt ist.5. Can opener according to claim 1, characterized in that the head (1) is made of a plastic improved with active fillers.
6. Dosenöffner nach Anspruch 1, dadurch gekennzeichnet, dass der Kopf (1) aus Aluminiumdruckguss gefertigt ist.6. Can opener according to claim 1, characterized in that the head (1) is made of die-cast aluminum.
7. Dosenöffner nach AI, dadurch gekennzeichnet, dass der Kopf (1) und der griffförmige Körper (11, 12, 13) beide eine identische Anschlussfläche (5) aufweisen und einen absatzfreien Übergang vom Kopf zum griffformigen Körper sicherstellen. 7. Can opener according to AI, characterized in that the head (1) and the handle-shaped body (11, 12, 13) both have an identical connection surface (5) and ensure a step-free transition from the head to the handle-shaped body.
EP02760028A 2001-12-10 2002-09-23 Can opener Expired - Lifetime EP1453755B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02760028A EP1453755B1 (en) 2001-12-10 2002-09-23 Can opener

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP01129190 2001-12-10
EP01129190 2001-12-10
EP02760028A EP1453755B1 (en) 2001-12-10 2002-09-23 Can opener
PCT/CH2002/000528 WO2003053841A1 (en) 2001-12-10 2002-09-23 Can opener

Publications (2)

Publication Number Publication Date
EP1453755A1 true EP1453755A1 (en) 2004-09-08
EP1453755B1 EP1453755B1 (en) 2006-04-19

Family

ID=8179474

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02760028A Expired - Lifetime EP1453755B1 (en) 2001-12-10 2002-09-23 Can opener

Country Status (8)

Country Link
EP (1) EP1453755B1 (en)
AT (1) ATE323660T1 (en)
AU (1) AU2002325770A1 (en)
DE (2) DE20280418U1 (en)
DK (1) DK1453755T3 (en)
ES (1) ES2263808T3 (en)
HK (1) HK1072046A1 (en)
WO (1) WO2003053841A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10233066B2 (en) * 2016-11-01 2019-03-19 Alston Technologies Development Co., Ltd. Adjustable can opener

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US22030A (en) 1858-11-09 Beehive
US1756487A (en) 1929-08-16 1930-04-29 Turner And Seymour Mfg Company Can opener
FR1256871A (en) * 1960-05-12 1961-03-24 Heritiers De Feu Peter Bogner Improvements to containers and to opening devices therefor
US3094776A (en) * 1961-09-22 1963-06-25 Clarence J Smith Can opener
CH455547A (en) 1966-04-07 1968-07-15 Roethlisberger Herman Can opener
GB1175575A (en) * 1967-03-23 1969-12-23 Metal Box Co Ltd Improvements in or relating to Can Openers
US4365417A (en) 1980-08-01 1982-12-28 Evert Rosendahl Tin opener
GB8408798D0 (en) 1984-04-05 1984-05-16 Metal Box Plc Can openers
KR950013560B1 (en) 1990-08-03 1995-11-09 윌리암 레벤 리미티드 Can opener
DE19619989A1 (en) 1996-05-17 1997-11-20 Leifheit Ag Can opener with function unit and handle
US5946811A (en) 1997-10-20 1999-09-07 Alston Development Co., Ltd. Side cutting can opener with a double grip
GB2334939B (en) 1998-03-06 2000-02-09 Shun So Can opener
DE50004822D1 (en) 1999-12-03 2004-01-29 Moha Moderne Haushaltwaren Ag TIN OPENER

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03053841A1 *

Also Published As

Publication number Publication date
HK1072046A1 (en) 2005-08-12
AU2002325770A1 (en) 2003-07-09
ES2263808T3 (en) 2006-12-16
DE50206502D1 (en) 2006-05-24
ATE323660T1 (en) 2006-05-15
DE20280418U1 (en) 2004-07-08
EP1453755B1 (en) 2006-04-19
DK1453755T3 (en) 2006-08-07
WO2003053841A1 (en) 2003-07-03

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