EP2957187A1 - Ornamental chain - Google Patents
Ornamental chain Download PDFInfo
- Publication number
- EP2957187A1 EP2957187A1 EP15001655.8A EP15001655A EP2957187A1 EP 2957187 A1 EP2957187 A1 EP 2957187A1 EP 15001655 A EP15001655 A EP 15001655A EP 2957187 A1 EP2957187 A1 EP 2957187A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- profile body
- hollow profile
- chain according
- elements
- decorative elements
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21L—MAKING METAL CHAINS
- B21L11/00—Making chains or chain links of special shape
- B21L11/12—Forming bead chains
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C11/00—Watch chains; Ornamental chains
- A44C11/002—Ornamental chains composed of pearls
Definitions
- the invention relates to a jewelery chain, such as a neck, wrist or ankle chain according to the preamble of claim 1 and a method for producing such a jewelery chain.
- This jewelry chain has an elastic support element on which a circumferential arrangement of decorative elements is held. Furthermore, the jewelry chain on connecting elements, through which the elastic support member extends through each. In each case two adjacent decorative elements are held so movable on the connecting elements that they can be spaced apart by spreading the elastic support member to a maximum distance.
- Such jewelry chains can be spread when you put on or off and when wearing up to a certain width to be able to be touched in the closed circumferential state over the head, hand or foot or with exactly adapted width to the body part in question.
- the elastic support member which is formed for example by an elastic band of at least partially elastomeric plastic or by an elongated spring element, preferably completely absorbed.
- the support element is not visible to the outside and thus can not affect the appearance of the jewelry chain, especially if this is to convey a certain high quality.
- EP 2 712 513 A2 is an elastic tennis bracelet known in which a circumferential spring element a plurality of cuboid connecting elements is mounted, in each case a cylindrical through hole is admitted.
- the connecting elements each have a collar at their ends, so that a two-part box-shaped decorative element can be plugged on in each case two adjacent connecting elements such that it is in a limited movable engagement with both connecting elements.
- a disadvantage of the known jewelry chain here is that the production of jewelry elements and their attachment to the fasteners are very expensive.
- the freedom of design with respect to the jewelry elements and the jewelry chain is relatively limited due to the special way of fastening the jewelry elements.
- the object of the invention is to avoid the disadvantages mentioned in a generic jewelry chain and to allow easier production.
- the connecting elements are formed by fracture sections of a hollow profile body which is arranged on the elastic support element, in the sense of being pushed or pulled onto it.
- the fracture sections on ends which are each formed by a broken breaking point, whereby the connecting elements produced by canceling can be provided with an exact predetermined length.
- the fracture sections at both ends in each case a cross-sectional widening, whereby at the ends of the fracture sections the production of a positive connection, each with a decorative element for limiting the relative movement of two adjacent decorative elements is particularly easy to implement.
- the connecting elements can be made of a commercially available hollow profile body, which is divided only in the manufacture of jewelry chain in theddington sermonden sections and provided with the required cross-sectional extensions.
- the hollow profile body is formed by a hollow wire, whereby on the one hand, the production of the connecting elements with a small maximum cross-sectional extension of, for example, not more than 2 mm and on the other hand a simple threading through the elastic support member is possible.
- the hollow profile body is made of precious metal or a noble metal alloy.
- the fasteners can be made of a high quality material, whereby the jewelry chain in its entirety can convey a high-quality impression.
- the decorative elements each have two engagement openings, projecting into the two adjacent connecting elements.
- the cross-sectional widenings of the two respective ends of these connecting elements are accommodated within a cavity of the decorative elements, wherein the cross-sectional widenings have a greater extent in the transverse direction to the main extension direction of the connecting elements than the engaging openings of the decorative element.
- the jewelery elements are formed by a longitudinally cold material which is in particular cold-deformed around the elastic support element and the connecting elements.
- the jewelry elements can be particularly easily and in particular machined, where they can be placed directly on the fasteners. This eliminates a separate, in particular manual attachment of the decorative elements on the rest of the jewelry chain, which in turn allows a particularly cost-effective completion of the same.
- the length material is formed from a metal strip, which allows a particularly simple mechanical deformation of the length material and versatile shaping of the jewelry elements.
- the metal strip is made of a noble metal or a noble metal alloy, which allows the production of particularly high-quality jewelry elements.
- the decorative elements are rotationally symmetrical, which ensures easier on and off as well as a high wearing comfort of the jewelry chain.
- the above object is achieved by a method for producing a jewelry chain in one of the above-mentioned embodiments, wherein in a first step, the elastic support member is retracted into the hollow profile body. In a subsequent second step then the cross-sectional widenings are successively at one of the hollow profile body with the inner elastic carrier element passed machine device preferably incorporated by cold deformation in the hollow profile body. In this case, a predetermined breaking point is additionally formed between the two mutually adjacent cross-sectional enlargements of two adjacent fracture sections. In a subsequent step, these predetermined breaking points are broken up by recurring deflection of the hollow profile body in the transverse direction one after the other and the fracture sections are thereby singulated. This process allows the production of individual fasteners with already retracted elastic support element, which greatly simplifies the production of the jewelry chain as a whole.
- the length material is continuously deformed around the hollow profile body.
- This can be done for example by a mechanical device that continuously forces the strip-shaped length material, in particular by cold forming, into a substantially cylindrical profile that encloses the hollow profile body.
- the hollow profile body or the connecting elements made therefrom with the elastic element already received can be arranged particularly easily within the decorative elements.
- the decorative elements are produced by, in particular, cold forming of the length material into hollow bodies by a machine device through which the length material passes. Between the hollow bodies thereby second predetermined breaking points are formed, which serve for later separation of the decorative elements by breaking.
- cold forming the hollow body or the later decorative elements can be brought with already recorded fasteners in almost any shape, which allows a particularly large freedom of design in the production of jewelry chain.
- the second predetermined breaking points by recurrent deflection of the cold-formed length material broken in succession in the transverse direction and the molded hollow body thereby be separated. This process allows the production of individual jewelry elements with already recorded fasteners, which greatly simplifies the production of the jewelry chain as a whole.
- Fig. 1 shows a jewelery chain 2 using the example of a wrist chain with an almost completely encircling elastic element 4, which is formed for example by an elastic plastic band.
- elastic element 4 is here a circumferential arrangement of decorative elements 6, 6 A held, which are for example spherical.
- the decorative elements 6 in this case have, for example, a matching size, wherein the only larger decorative element 6A serves to receive two decorative elements 6, which are each arranged at one end of the elastic element 4.
- the decorative element 6A acts as a solid closure of the jewelry chain 2, through which this has a non-opening in normal use circumferential shape.
- the jewelery chain 2 also has an almost completely circumferential arrangement of connecting elements 8, each of which is in engagement with two adjacent jewelery elements 6 and through which the elastic element 4 extends, in particular from Fig. 2 can be seen.
- the connecting elements 8 act during spreading of the jewelery chain 2 as end stops, which define a maximum distance Imax, to which two adjacent decorative elements 6 can be spaced from each other in the case taking place stretching the elastic support member 4.
- the connecting elements 8 are held for this purpose in each case to two engagement openings 10 of the two adjacent decorative elements 6 displaced.
- the connecting elements 8 themselves are, as in particular from Fig. 5 can be seen, formed by fracture sections 12 of a hollow profile body 14, the ends of which are formed by broken breaking points 16.
- the original hollow profile body 14 may be formed for example by a hollow wire made of precious metal or a noble metal alloy.
- FIG. 4 formed at the ends of cross-sectional widenings 18, which have a transverse extent qV, which is greater than a corresponding transverse extent qE of the engagement openings 10.
- the cross-sectional extensions 18 of the connecting elements 8 are formed by areas at the ends of the fracture sections 12, which are incorporated by cold deformation in addition to the predetermined breaking point 16 in the originally contiguous hollow profile body 14.
- the hollow body 20, from which the decorative elements 6 are produced are also produced by cold deformation of a noble metal or a noble metal alloy, wherein they may alternatively have any other shape in addition to the spherical shape shown.
- the decorative elements 6 have a rotationally symmetrical shape, which may be formed in addition to the spherical shape shown, for example, by an ellipsoidal or lens shape.
- the hollow body 20 are formed from a continuous length material 22, such as a metal strip or an elongated metal sheet of a noble metal or a noble metal alloy, in which the hollow profile body 14 is received with internal elastic element 4.
- the hollow body 20 are connected to each other via constricted areas, the second predetermined breaking points 24 form, which must be broken to separate the decorative elements 6.
- the method for producing the jewelry chain 2 is described below with reference to the schematic representation of a system 26 for performing a corresponding manufacturing method in Fig. 6 explained.
- the elastic element 4 is initially introduced in a first step into the hollow profile body 14 in such a way that it extends over its entire length. Subsequently, the hollow profile body 14 with the elastic element 4 accommodated therein, as shown, passes through a first mechanical device 28 for carrying out a second method step.
- this device 28 has, for example, two presses 30 which are movable relative to one another and which incorporate the cross-sectional enlargements 18 and the predetermined breaking points 16 into the hollow profile body 14 by cold deformation. In this way, thus already the fracture sections 12 are set, which are separated later to the connecting elements 8.
- the hollow profile body 14 passes through a second mechanical device 32 at which the length material 22 is fed to the hollow profile body 14.
- the second mechanical device 32 in this case has forming means 34, by means of which the length material 22, which has a multiple extent transversely to the longitudinal direction relative to the hollow profile body 14, is wrapped around the hollow profile body 14 in a cylindrical manner by cold forming.
- the arrangement thus produced from the hollow profile body 14 and the deformed length material 22 then passes through a third machine device 36, which has a plurality of forming tools 38, which act successively on the length material 22.
- the forming tools 38 are in this case coordinated with one another in such a way that they progressively transform the length material 22, which encloses the hollow profile body 14, by cold forming into the desired shape of the hollow body 20.
- the resulting in this way for example, spherical hollow body 20 are connected by constrictions, which form the second predetermined breaking points 24.
- the hollow body 20 are arranged such that in each case one of the predetermined breaking points 16 is arranged with the two associated cross-sectional extensions 18 each within one of the hollow body 20.
- the arrangement of hollow bodies 20 and hollow profile body 14 is fed to a fourth mechanical device 40, which has, for example, tubular guide means 42 and transverse to this movable deflection means 44.
- a fourth mechanical device 40 which has, for example, tubular guide means 42 and transverse to this movable deflection means 44.
- the output chain obtained in this way must now be tailored to the production of the surrounding jewelry chain 2 only to the appropriate length, if it has not already been produced in the intended length.
- the two ends of the elastic element 4 in a known and suitable manner. are arranged against the arranged at these ends jewelry elements 6 or fasteners 8 and then in turn, for example, attached via a suitable closure to each other, such as by receiving in the large decorative element 6A, according to Fig. 1 ,
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Abstract
Eine Schmuckkette (2) weist ein elastisches Trägerelement (4), an dem eine umlaufende Anord-nung von Schmuckelementen (6) gehalten ist, und Verbindungselemente (8) auf, durch die sich das elastische Trägerelement (4) jeweils hindurch erstreckt und an denen jeweils zwei benachbarte Schmuckelemente (6) gehalten sind, wobei die benachbarten Schmuckelemente (6) durch Aufspreizen des elastischen Trägerelementes (4) bis zu einem Maximalabstand (Imax) zueinander beabstandbar sind. Dabei ist vorgesehen, dass die Verbindungselemente durch Bruchabschnitte (12) eines auf dem elastischen Trägerelement (4) angeordneten Hohlprofilkörpers (14) gebildet sind.A jewelery chain (2) has an elastic support element (4) on which a circumferential arrangement of decorative elements (6) is held, and connecting elements (8) through which the elastic support element (4) respectively extends and on which each two adjacent decorative elements (6) are held, wherein the adjacent decorative elements (6) by spreading of the elastic support member (4) to a maximum distance (Imax) are spaced apart. It is provided that the connecting elements by fracture sections (12) of a on the elastic support member (4) arranged hollow profile body (14) are formed.
Description
Die Erfindung betrifft eine Schmuckkette, wie beispielsweise eine Hals-, Hand- oder Fußgelenkskette nach dem Oberbegriff des Anspruchs 1 sowie ein Verfahren zur Herstellung einer solchen Schmuckkette. Diese Schmuckkette weist ein elastisches Trägerelement auf, an dem eine umlaufende Anordnung von Schmuckelementen gehalten ist. Ferner weist die Schmuckkette Verbindungselemente auf, durch die sich das elastische Trägerelement jeweils hindurch erstreckt. Dabei sind an den Verbindungselementen jeweils zwei benachbarte Schmuckelemente derart beweglich gehalten, dass diese durch Aufspreizen des elastischen Trägerelementes bis zu einem Maximalabstand zueinander beabstandet werden können.The invention relates to a jewelery chain, such as a neck, wrist or ankle chain according to the preamble of claim 1 and a method for producing such a jewelery chain. This jewelry chain has an elastic support element on which a circumferential arrangement of decorative elements is held. Furthermore, the jewelry chain on connecting elements, through which the elastic support member extends through each. In each case two adjacent decorative elements are held so movable on the connecting elements that they can be spaced apart by spreading the elastic support member to a maximum distance.
Derartige Schmuckketten lassen sich beim An- oder Ablegen sowie beim Tragen bis zu einer bestimmten Weite aufspreizen, um auch im geschlossen umlaufenden Zustand über den Kopf, die Hand oder der Fuß gestreift werden zu können beziehungsweise mit exakt angepasster Weite an dem betreffenden Körperteil anzuliegen.Such jewelry chains can be spread when you put on or off and when wearing up to a certain width to be able to be touched in the closed circumferential state over the head, hand or foot or with exactly adapted width to the body part in question.
Durch die umlaufend im gegenseitigen Eingriff stehenden Schmuck- und Verbindungselemente wird dabei das elastische Trägerelement, das beispielsweise durch ein elastisches Band aus zumindest teilweise elastomerem Kunststoff oder durch ein längliches Federelement gebildet ist, vorzugsweise vollständig aufgenommen. Hierdurch ist das Trägerelement nach außen hin nicht sichtbar und kann dadurch die Optik der Schmuckkette, insbesondere wenn diese eine gewisse Hochwertigkeit vermitteln soll, nicht beeinträchtigen.By the circumferentially mutually engaged jewelry and fasteners while the elastic support member, which is formed for example by an elastic band of at least partially elastomeric plastic or by an elongated spring element, preferably completely absorbed. As a result, the support element is not visible to the outside and thus can not affect the appearance of the jewelry chain, especially if this is to convey a certain high quality.
Aus
Nachteilig an der bekannten Schmuckkette ist hierbei, dass die Herstellung der Schmuckelemente und deren Anbringung an den Verbindungselementen sehr aufwändig sind. Zudem ist die Gestaltungsfreiheit hinsichtlich der Schmuckelemente und der Schmuckkette insgesamt aufgrund der speziellen Befestigungsweise der Schmuckelemente relativ stark eingeschränkt.A disadvantage of the known jewelry chain here is that the production of jewelry elements and their attachment to the fasteners are very expensive. In addition, the freedom of design with respect to the jewelry elements and the jewelry chain is relatively limited due to the special way of fastening the jewelry elements.
Die Aufgabe der Erfindung ist es, bei einer gattungsgemäßen Schmuckkette die genannten Nachteile zu vermeiden und eine einfachere Herstellung zu ermöglichen.The object of the invention is to avoid the disadvantages mentioned in a generic jewelry chain and to allow easier production.
Diese Aufgabe wird durch eine Schmuckkette mit den Merkmalen des Anspruchs 1 gelöst. Dabei sind die Verbindungselemente durch Bruchabschnitte eines Hohlprofilkörpers gebildet, der auf dem elastischen Trägerelement angeordnet ist, im Sinne von darauf aufgeschobenen oder aufgezogenen. Hierdurch ist es möglich die für die Schmuckkette benötigten Verbindungselemente aus lediglich einem Hohlprofilkörper herzustellen, an dem bereits vorab das Trägerelement angebracht worden ist. Dieser kann dann in vorbestimmten Abschnittslängen gebrochen werden, um durch die dabei entstehenden Bruchabschnitte die Verbindungselemente zu bilden, die bereits mit dem elastischen Trägerelement verbunden sind. Auf diese Weise ist eine einfache und insbesondere maschinelle Herstellung und Anbringung der einzelnen Verbindungselemente möglich, wodurch die Herstellungskosten deutlich reduziert werden können.This object is achieved by a jewelry chain with the features of claim 1. In this case, the connecting elements are formed by fracture sections of a hollow profile body which is arranged on the elastic support element, in the sense of being pushed or pulled onto it. This makes it possible to produce the necessary for the jewelry chain connecting elements of only a hollow profile body on which the carrier element has been attached in advance. This can then be broken in predetermined section lengths to form by the resulting fracture sections the connecting elements, which are already connected to the elastic support member. In this way, a simple and in particular machine production and attachment of the individual fasteners is possible, whereby the manufacturing cost can be significantly reduced.
In einer besonders vorteilhaften Ausführungsform weisen die Bruchabschnitte Enden auf, die jeweils durch eine aufgebrochene Sollbruchstelle gebildet sind, wodurch die durch Abbrechen hergestellten Verbindungselemente mit einer exakten vorbestimmten Länge versehen werden können.In a particularly advantageous embodiment, the fracture sections on ends, which are each formed by a broken breaking point, whereby the connecting elements produced by canceling can be provided with an exact predetermined length.
Vorteilhafterweise weisen die Bruchabschnitte an beiden Enden jeweils eine Querschnittserweiterung auf, wodurch an den Enden der Bruchabschnitte die Herstellung eines Formschlusses mit jeweils einem Schmuckelement zur Begrenzung der Relativbewegung zweier benachbarter Schmuckelemente besonders einfach umsetzbar ist.Advantageously, the fracture sections at both ends in each case a cross-sectional widening, whereby at the ends of the fracture sections the production of a positive connection, each with a decorative element for limiting the relative movement of two adjacent decorative elements is particularly easy to implement.
Dabei ist es günstig, wenn die Sollbruchstelle und/oder die Querschnittserweiterung durch einen kaltverformten Bereich gebildet ist. Hierdurch können die Verbindungselemente aus einem handelsüblichen Hohlprofilkörper hergestellt werden, der erst beim Herstellen der Schmuckkette in die abzubrechenden Abschnitte eingeteilt und mit den benötigten Querschnittserweiterungen versehen wird.It is advantageous if the predetermined breaking point and / or the cross-sectional widening is formed by a cold-formed area. In this way, the connecting elements can be made of a commercially available hollow profile body, which is divided only in the manufacture of jewelry chain in the abzubrechenden sections and provided with the required cross-sectional extensions.
Vorteilhafterweise ist der Hohlprofilkörper dabei durch einen Hohldraht gebildet, wodurch einerseits die Herstellung der Verbindungselemente mit einer geringen maximalen Querschnittserstreckung von beispielsweise nicht mehr als 2 mm und andererseits ein einfaches Durchfädeln des elastischen Trägerelementes möglich ist.Advantageously, the hollow profile body is formed by a hollow wire, whereby on the one hand, the production of the connecting elements with a small maximum cross-sectional extension of, for example, not more than 2 mm and on the other hand a simple threading through the elastic support member is possible.
Zudem ist es günstig, wenn der Hohlprofilkörper aus Edelmetall oder einer Edelmetalllegierung hergestellt ist. Auf diese Weise können auch die Verbindungselemente aus einem hochwertigen Material hergestellt werden, wodurch die Schmuckkette in ihrer Gesamtheit einen hochwertigen Eindruck vermitteln kann.In addition, it is advantageous if the hollow profile body is made of precious metal or a noble metal alloy. In this way, the fasteners can be made of a high quality material, whereby the jewelry chain in its entirety can convey a high-quality impression.
In einer weiteren vorteilhaften Ausführungsform weisen die Schmuckelemente jeweils zwei Eingriffsöffnungen auf, in die zwei benachbarte Verbindungselemente hineinragen. Die Querschnittserweiterungen der beiden betreffenden Enden dieser Verbindungselemente sind dabei innerhalb eines Hohlraumes der Schmuckelemente aufgenommen, wobei die Querschnittserweiterungen eine größere Erstreckung in Querrichtung zur Haupterstreckungsrichtung der Verbindungselemente aufweisen als die Eingriffsöffnungen des Schmuckelementes. Hierdurch ist auf einfache Weise eine begrenzt bewegliche Lagerung der beiden jeweils benachbarten Verbindungselemente an dem dazwischen angeordneten Schmuckelement möglich, wobei die Verbindungselemente dabei durch Aufspreizen des elastischen Trägerelementes soweit voneinander weg beabstandet werden können, dass deren Querschnittserweiterungen an den Eingriffsöffnungen des Hohlkörpers in Anschlag kommen. Hierdurch ist eine stabile Lagerung der Verbindungselemente gegenüber den Schmuckelementen und eine sichere Begrenzung der Aufspreizbarkeit der Schmuckkette insgesamt gewährleistet.In a further advantageous embodiment, the decorative elements each have two engagement openings, projecting into the two adjacent connecting elements. The cross-sectional widenings of the two respective ends of these connecting elements are accommodated within a cavity of the decorative elements, wherein the cross-sectional widenings have a greater extent in the transverse direction to the main extension direction of the connecting elements than the engaging openings of the decorative element. As a result, in a simple manner, a limited movable mounting of the two respectively adjacent connecting elements at the jewelery element arranged therebetween possible, wherein the connecting elements can be spaced apart by spreading of the elastic support member far away from each other so that their cross-sectional widening come to the engagement openings of the hollow body into abutment. As a result, a stable storage of the connecting elements with respect to the decorative elements and a secure limit the Aufspreizbarkeit the jewelry chain is guaranteed.
Vorteilhafterweise sind die Schmuckelemente durch ein um das elastische Trägerelement und die Verbindungselemente herum insbesondere kalt verformtes Längenmaterial gebildet. Auf diese Weise können auch die Schmuckelemente besonders einfach und insbesondere maschinell ausgeformt werden, wobei sie direkt auf den Verbindungselementen platziert werden können. Hierdurch entfällt eine separate, insbesondere manuelle Anbringung der Schmuckelemente an der übrigen Schmuckkette, was wiederum eine besonders kostengünstige Fertigstellung derselben ermöglicht.Advantageously, the jewelery elements are formed by a longitudinally cold material which is in particular cold-deformed around the elastic support element and the connecting elements. In this way, the jewelry elements can be particularly easily and in particular machined, where they can be placed directly on the fasteners. This eliminates a separate, in particular manual attachment of the decorative elements on the rest of the jewelry chain, which in turn allows a particularly cost-effective completion of the same.
Ferner ist es günstig, wenn das Längenmaterial aus einem Metallband gebildet ist, was eine besonders einfache maschinelle Umformung des Längenmaterials und vielseitige Formgebung der Schmuckelemente ermöglicht.Further, it is advantageous if the length material is formed from a metal strip, which allows a particularly simple mechanical deformation of the length material and versatile shaping of the jewelry elements.
Vorteilhafterweise ist das Metallband dabei aus einem Edelmetall oder einer Edelmetalllegierung hergestellt, was die Herstellung besonders hochwertiger Schmuckelemente ermöglicht.Advantageously, the metal strip is made of a noble metal or a noble metal alloy, which allows the production of particularly high-quality jewelry elements.
Ferner ist es günstig, wenn die Schmuckelemente rotationssymmetrisch ausgebildet sind, was ein leichteres An- und Ablegen sowie einen hohen Tragekomfort der Schmuckkette gewährleistet.Furthermore, it is advantageous if the decorative elements are rotationally symmetrical, which ensures easier on and off as well as a high wearing comfort of the jewelry chain.
Ferner wird die oben genannte Aufgabe durch ein Verfahren zur Herstellung einer Schmuckkette in einer der oben genannten Ausführungsformen gelöst, bei dem in einem ersten Schritt das elastische Trägerelement in den Hohlprofilkörper eingezogen wird. In einem nachfolgenden zweiten Schritt werden dann die Querschnittserweiterungen nacheinander an einer vom Hohlprofilkörper mit dem innenliegenden elastischen Trägerelement durchlaufenen maschinellen Vorrichtung vorzugsweise durch Kaltverformung in den Hohlprofilkörper eingearbeitet. Dabei wird zwischen den beiden zueinander benachbart ausgebildeten Querschnittserweiterungen zweier benachbarter Bruchabschnitte zudem eine Sollbruchstelle ausgebildet. In einem nachfolgenden Schritt werden diese Sollbruchstellen durch wiederkehrendes Auslenken des Hohlprofilkörpers in Querrichtung nacheinander aufgebrochen und die Bruchabschnitte dadurch vereinzelt. Dieser Vorgang ermöglicht die Herstellung der einzelnen Verbindungselemente mit bereits eingezogenem elastischem Trägerelement, was die Herstellung der Schmuckkette insgesamt stark vereinfacht.Furthermore, the above object is achieved by a method for producing a jewelry chain in one of the above-mentioned embodiments, wherein in a first step, the elastic support member is retracted into the hollow profile body. In a subsequent second step then the cross-sectional widenings are successively at one of the hollow profile body with the inner elastic carrier element passed machine device preferably incorporated by cold deformation in the hollow profile body. In this case, a predetermined breaking point is additionally formed between the two mutually adjacent cross-sectional enlargements of two adjacent fracture sections. In a subsequent step, these predetermined breaking points are broken up by recurring deflection of the hollow profile body in the transverse direction one after the other and the fracture sections are thereby singulated. This process allows the production of individual fasteners with already retracted elastic support element, which greatly simplifies the production of the jewelry chain as a whole.
Vorteilhafterweise wird in einem dem zweiten Schritt nachfolgenden weiteren Schritt das Längenmaterial fortlaufend um den Hohlprofilkörper herum verformt. Dies kann beispielsweise durch eine maschinelle Vorrichtung erfolgen, die das bandförmige Längenmaterial insbesondere durch Kaltumformung fortlaufend in ein im Wesentlichen zylindrisches Profil zwingt, das den Hohlprofilkörper umhüllt. Hierdurch kann der Hohlprofilkörper beziehungsweise können die daraus hergestellten Verbindungselemente mit dem bereits aufgenommenen elastischen Element besonders einfach innerhalb der Schmuckelemente angeordnet werden.Advantageously, in a further step following the second step, the length material is continuously deformed around the hollow profile body. This can be done for example by a mechanical device that continuously forces the strip-shaped length material, in particular by cold forming, into a substantially cylindrical profile that encloses the hollow profile body. In this way, the hollow profile body or the connecting elements made therefrom with the elastic element already received can be arranged particularly easily within the decorative elements.
Dabei ist es günstig, wenn in einem weiteren nachfolgenden Schritt die Schmuckelemente durch insbesondere kaltes Umformen des Längenmaterials zu Hohlkörpern durch eine vom Längenmaterial durchlaufene maschinelle Vorrichtung hergestellt werden. Zwischen den Hohlkörpern werden dabei zweite Sollbruchstellen ausgebildet, die zur späteren Vereinzelung der Schmuckelemente durch Aufbrechen dienen. Durch die Kaltumformung können die Hohlkörper beziehungsweise die späteren Schmuckelemente dabei mit bereits aufgenommenen Verbindungselementen in eine nahezu beliebige Form gebracht werden, was eine besonders große Gestaltungsfreiheit bei der Herstellung der Schmuckkette ermöglicht.It is advantageous if, in a further subsequent step, the decorative elements are produced by, in particular, cold forming of the length material into hollow bodies by a machine device through which the length material passes. Between the hollow bodies thereby second predetermined breaking points are formed, which serve for later separation of the decorative elements by breaking. By cold forming the hollow body or the later decorative elements can be brought with already recorded fasteners in almost any shape, which allows a particularly large freedom of design in the production of jewelry chain.
Zudem ist es günstig, wenn in einem weiteren nachfolgenden Schritt die zweiten Sollbruchstellen durch wiederkehrendes Auslenken des kaltverformten Längenmaterials in Querrichtung nacheinander aufgebrochen und die ausgeformten Hohlkörper dadurch vereinzelt werden. Dieser Vorgang ermöglicht die Herstellung der einzelnen Schmuckelemente mit bereits aufgenommenen Verbindungselementen, was die Herstellung der Schmuckkette insgesamt stark vereinfacht.In addition, it is favorable if in a further subsequent step, the second predetermined breaking points by recurrent deflection of the cold-formed length material broken in succession in the transverse direction and the molded hollow body thereby be separated. This process allows the production of individual jewelry elements with already recorded fasteners, which greatly simplifies the production of the jewelry chain as a whole.
In den Figuren ist eine beispielhafte Ausführungsform der Erfindung dargestellt. Es zeigen:
- Figur 1
- eine Ansicht einer erfindungsgemäßen Schmuckkette,
Figur 2- eine Ansicht eines vergrößerten Abschnittes der Schmuckkette nach
Fig. 1 in einem entspannten Zustand eines elastischen TrägerElementes, - Figur 3
- eine Ansicht des Abschnittes nach
Fig. 2 in einem gespreizten Zustand des elastischen Trägerelementes, Figur 4- eine teilweise geschnittene und weiter vergrößerte Ansicht eines Schmuckelementes des Abschnittes nach
Fig. 2 , - Figur 5
- eine teilweise geschnittene Ansicht eines Abschnittes eines Längenmaterials zur Herstellung von Schmuckelementen mit einem darin aufgenommenen Hohlprofilkörper zur Herstellung von Verbindungselementen und
Figur 6- eine Anlage zur Durchführung eines Verfahrens zur Herstellung der Schmuckkette nach
Fig. 1 .
- FIG. 1
- a view of a jewelery chain according to the invention,
- FIG. 2
- a view of an enlarged section of the jewelry chain after
Fig. 1 in a relaxed state of an elastic support element, - FIG. 3
- a view of the section after
Fig. 2 in a spread state of the elastic support member, - FIG. 4
- a partially cut and further enlarged view of a decorative element of the section after
Fig. 2 . - FIG. 5
- a partially sectioned view of a portion of a length material for the production of decorative elements with a hollow profile body received therein for the production of fasteners and
- FIG. 6
- a plant for carrying out a method for producing the jewelry chain after
Fig. 1 ,
Die Schmuckelemente 6 weisen hierbei beispielsweise eine übereinstimmende Größe auf, wobei das einzige größere Schmuckelement 6A zur Aufnahme zweier Schmuckelemente 6 dient, die jeweils an einem Ende des elastischen Elementes 4 angeordnet sind. Das Schmuckelement 6A wirkt hierdurch als fester Verschluss der Schmuckkette 2, durch den diese eine im normalen Gebrauch nicht zu öffnende umlaufende Form aufweist.The
Zudem weist die Schmuckkette 2 eine ebenfalls nahezu vollständig umlaufende Anordnung von Verbindungselementen 8 auf, von denen jedes mit zwei benachbarten Schmuckelementen 6 in Eingriff steht und durch die sich das elastische Element 4 hindurch erstreckt, wie insbesondere aus
Wie aus
Wie aus
Zudem sind, wie aus
Wie insbesondere aus
Die Hohlkörper 20, aus denen die Schmuckelemente 6 hergestellt werden, sind ebenfalls durch Kaltverformung eines Edelmetalls oder einer Edelmetalllegierung hergestellt, wobei sie neben der dargestellten Kugelform alternativ auch jede andere Form aufweisen können. Vorzugsweise weisen die Schmuckelemente 6 dabei jedoch eine rotationssymmetrische Form auf, die neben der dargestellten Kugelform beispielsweise auch durch eine Ellipsoid- oder Linsenform gebildet sein kann.The
Wie insbesondere aus
Die Hohlkörper 20 sind dabei über eingeschnürte Bereiche miteinander verbunden, die zweite Sollbruchstellen 24 bilden, die zur Vereinzelung der Schmuckelemente 6 aufgebrochen werden müssen.The
Das Verfahren zur Herstellung der Schmuckkette 2 wird nachfolgend anhand der schematischen Darstellung einer Anlage 26 zur Durchführung eines entsprechenden Herstellungsverfahrens in
Hierbei wird vorbereitend zunächst das elastische Element 4 in einem ersten Schritt derart in den Hohlprofilkörper 14 eingebracht, dass es sich über dessen gesamte Länge erstreckt. Anschließend durchläuft der Hohlprofilkörper 14 mit dem darin aufgenommenen elastischen Element 4, wie dargestellt, eine erste maschinelle Vorrichtung 28 zur Durchführung eines zweiten Verfahrensschrittes. Diese Vorrichtung 28 weist dabei beispielsweise zwei gegeneinander verfahrbare Pressen 30 auf, die die Querschnittserweiterungen 18 und die Sollbruchstellen 16 durch Kaltverformung in den Hohlprofilkörper 14 einarbeiten. Auf diese Weise werden somit auch bereits die Bruchabschnitte 12 festgelegt, die später zu den Verbindungselementen 8 vereinzelt werden.In this case, the
Nach der Einarbeitung der Sollbruchstellen 16 und der Querschnittserweiterungen 18 durchläuft der Hohlprofilkörper 14 eine zweite maschinelle Vorrichtung 32 an der das Längenmaterial 22 dem Hohlprofilkörper 14 zugeführt wird. Die zweite maschinelle Vorrichtung 32 weist dabei Umformmittel 34 auf, mittels denen das Längenmaterial 22, das quer zur Längsrichtung eine vielfache Erstreckung gegenüber dem Hohlprofilkörper 14 aufweist, durch Kaltumformung zylinderförmig um den Hohlprofilkörper 14 herum gehüllt wird.After incorporation of the
Die hierbei hergestellte Anordnung aus dem Hohlprofilkörper 14 und dem verformtem Längenmaterial 22 durchläuft dann eine dritte maschinelle Vorrichtung 36, die mehrere Umformwerkzeuge 38 aufweist, die nacheinander auf das Längenmaterial 22 einwirken. Die Umformwerkzeuge 38 sind hierbei derart aufeinander abgestimmt, dass sie das Längenmaterial 22, das den Hohlprofilkörper 14 umhüllt, durch Kaltumformung fortschreitend in die gewünschte Form der Hohlkörper 20 umformt. Die auf diese Weise entstehenden beispielsweise kugelförmigen Hohlkörper 20 sind dabei durch Einschnürungen miteinander verbunden, die die zweiten Sollbruchstellen 24 bilden. Gegenüber dem Hohlkörperprofil 14 sind die Hohlkörper 20 dabei derart angeordnet, dass jeweils eine der Sollbruchstellen 16 mit den beiden dazugehörigen Querschnittserweiterungen 18 jeweils innerhalb eines der Hohlkörper 20 angeordnet ist.The arrangement thus produced from the
Mit dieser Relativausrichtung wird die Anordnung aus Hohlkörpern 20 und Hohlprofilkörper 14 einer vierten maschinellen Vorrichtung 40 zugeführt, die beispielsweise rohrförmige Führungsmittel 42 und quer zu diesen verfahrbaren Auslenkmittel 44 aufweist. Mittels diesen kann die Anordnung aus Hohlkörpern 20 und Hohlprofilkörper 14 derart wiederkehrend quer zur Längserstreckung des Hohlprofilkörpers 14 ausgelenkt werden, dass sowohl die ersten Sollbruchstellen 16 als auch die zweiten Sollbruchstellen 24 aufgebrochen werden.With this relative orientation, the arrangement of
Die auf diese Weise vereinzelten Bruchabschnitte 12 des Hohlprofilkörpers 14 bilden nun die Verbindungselemente 8, wobei sich das elastische Element 4 nach wie vor durchgehend durch diese erstreckt. Gleichzeitig entstehen bei diesem Schritt durch die Vereinzelung der Hohlkörper 20 gleichzeitig die Schmuckelemente 6 mit den Eingriffsöffnungen 10, in denen jeweils eines der Verbindungselemente 8 begrenzt verschiebbar gehalten ist.The individualized in this
Die auf diese Weise gewonnene Ausgangskette muss zur Herstellung der umlaufenden Schmuckkette 2 nun nur noch auf die passende Länge zugeschnitten werden, falls sie nicht bereits in der vorgesehenen Länge hergestellt worden ist. Anschließend müssen dann die beiden Enden des elastischen Elementes 4 in einer bekannten und geeigneten Weise. gegenüber den an diesen Enden angeordneten Schmuckelementen 6 oder Verbindungselementen 8 festgelegt werden und diese dann wiederum beispielsweise über einen geeigneten Verschluss aneinander befestigt werden, wie beispielsweise durch Aufnahme in das große Schmuckelement 6A, gemäß
Claims (15)
mit einem elastischen Trägerelement (4), an dem eine umlaufende Anordnung von Schmuckelementen (6) gehalten ist,
und mit Verbindungselementen (8), durch die sich das elastische Trägerelement (4) jeweils hindurch erstreckt und an denen jeweils zwei benachbarte Schmuckelemente (6) gehalten sind, wobei die benachbarten Schmuckelemente (6) durch Aufspreizen des elastischen Trägerelementes (4) bis zu einem Maximalabstand (Imax) zueinander beabstandbar sind,
dadurch gekennzeichnet, dass die Verbindungselemente durch Bruchabschnitte (12) eines auf dem elastischen Trägerelement (4) angeordneten Hohlprofilkörpers (14) gebildet sind.Jewelry Chain (2)
with an elastic support element (4) on which a peripheral arrangement of decorative elements (6) is held,
and with connecting elements (8), through which the elastic support element (4) respectively extends through and on each of which two adjacent decorative elements (6) are held, wherein the adjacent decorative elements (6) by spreading the elastic support element (4) up to a Maximum distance (Imax) are spaced apart from each other,
characterized in that the connecting elements by fracture sections (12) of a on the elastic support member (4) arranged hollow profile body (14) are formed.
in einem ersten Schritt das elastische Trägerelement (4) in den Hohlprofilkörper (14) eingezogen wird,
in einem zweiten Schritt die Querschnittserweiterungen (18) in den Hohlprofilkörper (14) eingearbeitet werden, wobei zwischen den beiden Querschnittserweiterungen (18) jeweils zweier benachbarter Bruchabschnitte (12) eine Sollbruchstelle (16) ausgebildet wird und
in einem nachfolgenden Schritt die Sollbruchstellen (16) durch Auslenken des Hohlprofilkörpers (14) wiederkehrend aufgebrochen werden.Method for producing a jewelery chain according to one of claims 1 to 11, characterized in that
in a first step, the elastic carrier element (4) is drawn into the hollow profile body (14),
in a second step, the cross-sectional widenings (18) in the hollow profile body (14) are incorporated, wherein between the two cross-sectional extensions (18) in each case two adjacent fracture sections (12) a predetermined breaking point (16) is formed and
in a subsequent step, the predetermined breaking points (16) are broken by returning the hollow profile body (14) in a recurring manner.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL15001655T PL2957187T3 (en) | 2014-06-20 | 2015-06-03 | Ornamental chain |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202014005177.1U DE202014005177U1 (en) | 2014-06-20 | 2014-06-20 | jewelry chain |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2957187A1 true EP2957187A1 (en) | 2015-12-23 |
EP2957187B1 EP2957187B1 (en) | 2017-08-02 |
Family
ID=51485018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15001655.8A Not-in-force EP2957187B1 (en) | 2014-06-20 | 2015-06-03 | Ornamental chain |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2957187B1 (en) |
DE (1) | DE202014005177U1 (en) |
DK (1) | DK2957187T3 (en) |
PL (1) | PL2957187T3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201800010478A1 (en) * | 2018-11-21 | 2020-05-21 | Luca Dionigi | METHOD OF MAKING AN ITEM OF JEWELERY, SILVER AND COSTUME JEWELERY |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITUA20163789A1 (en) * | 2016-05-25 | 2017-11-25 | Cggc Soc A Responsabilita Limitata Semplificata | SUPPORT DEVICE FOR JACKETS OF CHAINS FROM JEWELRY, GOLDSMITH, SILVERWARE AND JEWELERY AND ITS REALIZATION METHOD |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3685284A (en) * | 1970-11-10 | 1972-08-22 | Valentine J Taubner Jr | Flexible, linked jewelry beads |
GB2188261A (en) * | 1986-03-26 | 1987-09-30 | Wong Min Lu | Manufacture of a bead chain |
JPH0661113U (en) * | 1992-03-25 | 1994-08-30 | 久雄 熊井 | Ball chain |
EP2712513A2 (en) | 2012-09-27 | 2014-04-02 | Treemme S.P.A. Unipersonale | Elastic bracelet |
-
2014
- 2014-06-20 DE DE202014005177.1U patent/DE202014005177U1/en not_active Expired - Lifetime
-
2015
- 2015-06-03 DK DK15001655.8T patent/DK2957187T3/en active
- 2015-06-03 PL PL15001655T patent/PL2957187T3/en unknown
- 2015-06-03 EP EP15001655.8A patent/EP2957187B1/en not_active Not-in-force
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3685284A (en) * | 1970-11-10 | 1972-08-22 | Valentine J Taubner Jr | Flexible, linked jewelry beads |
GB2188261A (en) * | 1986-03-26 | 1987-09-30 | Wong Min Lu | Manufacture of a bead chain |
JPH0661113U (en) * | 1992-03-25 | 1994-08-30 | 久雄 熊井 | Ball chain |
EP2712513A2 (en) | 2012-09-27 | 2014-04-02 | Treemme S.P.A. Unipersonale | Elastic bracelet |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201800010478A1 (en) * | 2018-11-21 | 2020-05-21 | Luca Dionigi | METHOD OF MAKING AN ITEM OF JEWELERY, SILVER AND COSTUME JEWELERY |
Also Published As
Publication number | Publication date |
---|---|
DK2957187T3 (en) | 2017-09-18 |
EP2957187B1 (en) | 2017-08-02 |
DE202014005177U1 (en) | 2014-08-20 |
PL2957187T3 (en) | 2017-10-31 |
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