EP4133963B1 - Fermeture à anneau élastique et fabrication d'une fermeture à anneau élastique - Google Patents

Fermeture à anneau élastique et fabrication d'une fermeture à anneau élastique Download PDF

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Publication number
EP4133963B1
EP4133963B1 EP21191339.7A EP21191339A EP4133963B1 EP 4133963 B1 EP4133963 B1 EP 4133963B1 EP 21191339 A EP21191339 A EP 21191339A EP 4133963 B1 EP4133963 B1 EP 4133963B1
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EP
European Patent Office
Prior art keywords
spring
tube
spring ring
internal tube
closed state
Prior art date
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Active
Application number
EP21191339.7A
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German (de)
English (en)
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EP4133963C0 (fr
EP4133963A1 (fr
Inventor
Rainer Götze
Philip Götze
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.)
Goetze & Goetze Ltd
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Goetze & Goetze Ltd
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Priority to EP21191339.7A priority Critical patent/EP4133963B1/fr
Priority to US17/884,647 priority patent/US11950664B2/en
Publication of EP4133963A1 publication Critical patent/EP4133963A1/fr
Application granted granted Critical
Publication of EP4133963C0 publication Critical patent/EP4133963C0/fr
Publication of EP4133963B1 publication Critical patent/EP4133963B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/18—Fasteners for straps, chains or the like
    • A44C5/20—Fasteners for straps, chains or the like for open straps, chains or the like
    • A44C5/2009—Fasteners for straps, chains or the like for open straps, chains or the like of the ring type
    • A44C5/2014—Fasteners for straps, chains or the like for open straps, chains or the like of the ring type of the spring ring type
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B15/00—Key-rings
    • A44B15/007—Openers

Definitions

  • the invention relates to a spring ring closure with a closed state in which the spring ring closure forms a closed ring, and with an open state in which the ring is opened, comprising an outer tube and a spring.
  • a jewelry chain clasp consisting of an open ring to which the last links of the jewelry chain are connected is from the FR 2 305 950 A1 known.
  • Such spring ring clasps are known in practice and are used to close key rings or pieces of jewelry such as chains or the like.
  • spring ring clasps in which the spring is arranged in a cavity formed by the outer tube.
  • spring ring clasps usually have a pin for guiding the spring. This pin protrudes through an opening in the outer tube into the cavity of the spring ring clasp, which allows dirt particles to penetrate into the cavity.
  • the production of such a spring ring clasp also requires a large number of steps, tools and dexterity and is therefore complex.
  • the part of the pin that is visible on the outside detracts from the aesthetics of a spring ring clasp, especially in a piece of jewelry.
  • the invention further relates to the production of a spring ring closure.
  • the object of the invention is therefore to improve spring ring closures.
  • the features of claim 1 are provided according to the invention.
  • the invention proposes that the spring ring closure has an inner tube which projects into the outer tube in an overlapping region, and that the spring is arranged in a cavity formed by the outer and inner tubes, wherein the outer tube is displaceable relative to the inner tube against a spring force caused by the spring in order to open the spring ring closure, and wherein the spring projects out of the inner tube and into the outer tube, at least in the closed state.
  • the overlap area In the open state, the overlap area is larger than in the closed state. When the spring ring closure is opened, the overlap area is therefore enlarged.
  • a spring ring closure designed according to the invention also has the advantage that the entire closure mechanism can be invisible, which offers more freedom for the aesthetic design of the spring ring closure. To open and close the spring ring closure, it is sufficient to move the outer tube relative to the inner tube. Since the spring is arranged in a cavity formed by the inner and outer tubes, it can be easily made invisible to the user, depending on the specific design of the inner and outer tubes.
  • the spring that protrudes from the inner tube improves the spring ring closure, for example, because the spring can be easily placed in the inner tube during assembly and/or repair work.
  • the fact is that the untensioned spring does not usually protrude from the inner tube when the ring is being assembled, as the spring is designed to be short for assembly reasons.
  • the spring is inserted into the ring during assembly and reaches up to a slot in the ring. The pin is now guided into the slot and against the end of the spring in the slot under the application of force, which requires a great deal of dexterity.
  • the assembly of a spring ring closure designed according to the invention is significantly easier because the outer tube can be pushed over the inner tube, automatically tensioning the spring. This simplifies assembly and repairs.
  • the fact that the spring protrudes from the inner tube, at least when closed, means that the spring is longer than if the spring does not protrude from the inner tube.
  • the resulting extended spring travel results in a less hard locking mechanism and thus improves the locking mechanism.
  • the longer spring travel also has the advantage of providing greater design freedom for the shape of the ring, as the spring can flexibly adapt to the shape.
  • a long spring can be used for oval spring ring closures.
  • the guidance of the spring ring closure through the overlap area can be designed to be very robust and advantageous.
  • the spring is preferably designed as a spiral spring.
  • the inner diameter of the outer tube in the overlap area is matched to the outer diameter of the inner tube so that there is only minimal play between the outer tube and the inner ear.
  • the spring ring closure can be designed to be easy to close and open while saving material.
  • the outer tube and the inner tube are preferably designed in the shape of a circular segment, whereby the outer tube can be shorter than the inner tube. This means that material can be saved by using a short outer tube. This reduction in material can also be beneficial for aesthetics, as the spring ring closure appears uniform on the outside.
  • the spring ring closure has a closed state in which the spring ring closure forms a closed ring.
  • the ring can be circular, oval or generally round, whereby round in this context means that the ring has no edges.
  • the ring can also have edges and, for example, have a polygonal shape with and without rounded sections.
  • the spring protrudes from the inner tube and into the outer tube between the open, preferably fully open, and the closed state.
  • the spring only does not protrude from the inner tube in the fully open state.
  • the spring can be flush with an outer end of the inner tube.
  • the inner and outer tubes each form free ends in the open state, which touch each other in the closed state.
  • Free ends can be the end sections of the Inner and outer tubes, which are free-standing in the room when opened and are preferably designed to be open. This allows the spring ring closure to be stabilized when closed.
  • the free ends can also be adapted to one another so that the adjustment of the inner tube to the outer tube can be more precise.
  • the free end of the inner tube engages the free end of the outer tube.
  • Engagement can be achieved, for example, by having a stop in the outer tube that is set back at its end and thus does not reach to an outer end of the outer tube.
  • a stop can be formed on or in the outer tube and/or in the inner tube.
  • the stop can serve in particular as a stopper and prevent the spring ring closure from being moved beyond a desired extent when closing when the spring is pre-tensioned. Furthermore, the stop can be used to reduce the entry of dirt particles into the cavity.
  • a stop can be designed as a plate, eyelet or preferably as a ring.
  • the stop can in particular be soldered to the inner or outer tube or in it or be designed as a molding of one of the aforementioned tubes. The stop can thus be securely attached to or in the inner or outer tube.
  • the outer and inner tubes can be made of a metal, in particular a precious metal.
  • the material should have a high degree of rigidity and dimensional stability, but should also be bendable, as bendability can simplify the production of the spring ring closure.
  • the outer and/or inner tube can also be flexible and/or have little dimensional stability.
  • the stops can touch each other when closed. This allows the stops to be precisely aligned with each other, which means that the spring ring lock can be closed stably and the closed state can be maintained, particularly when a second overlap area is formed.
  • a spring stop is formed in the outer tube, which is touched by the spring in the open and closed state.
  • a spring stop is formed in the inner tube, which is touched by the spring in the open and closed state. The spring can thus advantageously be pressed onto the spring stops for pre-tensioning. It is also advantageous, particularly when the inner and outer tubes have a spring stop, that the spring can be guided through the spring stops within the inner tube without the spring jumping out at the free end of the inner tube.
  • the spring stops can also be soldered to the inner or outer tube or into them, or can be formed as a molding of one of the two tubes. This allows the production of the inner or outer tube and thus the production of the spring ring closure to be optimized, since, for example, the spring stops can be attached at the same time as the stops are attached.
  • the spring stop and stop are identical, which saves even more costs, time and weight and can therefore improve the production of the spring ring closure and its properties. In addition, this can increase the available spring travel.
  • the outer tube is open at its free end.
  • the inner tube is open at its free end.
  • the openings allow fluid to be exchanged so that no fluid can collect in the cavity, which would attack the material of the spring ring closure. The openings can therefore improve the durability of the spring ring closure.
  • the openings also allow interesting design variations, such as the creation of hoop earrings.
  • a stop formed in the outer tube has an opening so that it does not completely close the outer tube, and/or wherein a stop formed in the inner tube has an opening so that it does not completely close the inner tube.
  • the spring is arranged in the cavity. This reduces the number of components and extends the available spring travel.
  • the spring can have little to no movement within the cavity, which can reduce abrasion of the spring on the inside of the inner or outer tube, which can make the spring ring closure more durable.
  • the spring ring closure consists of the outer tube, the inner tube and the Spring.
  • a spring ring closure can therefore be made from just three components, whereby, as previously described, the inner or outer tube can have stops and/or spring stops.
  • the outer and/or inner tube can also have fastening elements or closure aids, for example.
  • the spring ring closure can therefore be manufactured extremely easily because, for example, a stamp or the like is dispensed with. Once fully assembled, the spring ring closure can already form an aesthetic ring, preferably without any additional external closure components. Such a spring ring closure can be manufactured inexpensively with minimal effort, which is an advantage.
  • the spring is completely covered by the tube arrangement formed by the inner tube and the outer tube in the open and closed state.
  • the locking mechanism can thus be completely invisible, which allows for aesthetically pleasing designs. Furthermore, this can prevent dirt particles or moisture from impairing or influencing the function of the spring strut. Since the spring is completely covered by the tube arrangement formed by the inner tube and the outer tube in the open and closed state, the spring cannot get caught on any openings when pre-tensioned, which is advantageous.
  • At least one handle element is attached to an outside of the outer tube and/or to an outside of the inner tube.
  • a handle element can simplify the opening and closing of the spring ring closure, particularly in the case of spring ring closures with a small diameter. It can be advantageous for the aesthetics and/or the production if the at least one handle element can be attached to an outer side of the outer tube and/or inner tube.
  • the invention also allows designs in which the outer and inner tubes, in particular the entire spring ring closure, are free of gripping elements, in particular free of attached gripping elements and free of notches and free of other elements.
  • Such designs enable particularly aesthetic shapes and are free of parts that could cause injury or that could be subject to particular mechanical stress.
  • a further advantageous embodiment can provide that the outer tube and/or the inner tube are completely closed on their outer surface.
  • a completely closed outer surface can be manufactured without joints or slots, whereby the rigidity of the outer tube and/or the inner tube can be increased. Increased rigidity can prevent twisting and thus unintentional opening of the spring ring closure.
  • a section of the spring that protrudes from the inner tube in the closed state is wound more tightly than a section of the spring that is located in the inner tube in the closed state.
  • At least one fastening element for fastening the spring ring clasp to a piece of jewelry is formed on the inner tube and/or the outer tube.
  • the fastening element can be designed as an eyelet, for example.
  • a piece of jewelry can be a chain, a pendant or a clasp, for example. Since the spring ring clasp can be connected to a piece of jewelry or a ring holder that is not designed as a piece of jewelry using the fastening element, the spring ring clasp can be used in a variety of ways.
  • the spring ring closure is designed for hanging a piece of jewelry.
  • the spring ring closure has a diameter of less than 10 mm, preferably less than 6 mm.
  • a spring ring closure with a diameter of less than 10 mm, preferably less than 6 mm, is particularly advantageous in the jewelry industry, as the aesthetics of a piece of jewelry can be improved because the spring ring closure can be kept small.
  • the advantages of the proposed solution according to the invention are particularly evident in small spring ring closures of this type, as the spring and the inner tube can determine the guidance of the closure mechanism and no other, disruptive components are required for this.
  • a spring ring closure can also have a diameter larger than 10 mm.
  • a pin is formed at the free end of the outer tube, which pin projects into the inner tube in the closed state.
  • the pin extends through an opening of a stop and/or spring stop formed on or in the inner tube and/or through a section of the spring.
  • a pin can be formed on the free end of the inner tube, which in the closed state extends into the outer tube, in particular through an opening of a stop and/or spring stop formed on or in the outer tube and/or through a section of the spring.
  • the stops, spring stops and their openings are preferably those already mentioned.
  • Such designs allow the spring ring clasp to be closed even more securely, since the pin extends into the inner tube and further reduces accidental slipping.
  • Such a stable and aesthetic spring ring clasp can be used directly as a piece of jewelry, for example as a bangle and above all as a hoop earring. Such use can be particularly advantageous, since, for example, a hoop earring does not have to be bent or stressed as is usually the case when putting it on or taking it off.
  • the spring ring clasp has important applications in the jewelry industry. However, it can also be interesting for other applications.
  • the features of the independent claim directed to the manufacture of a spring ring closure are provided according to the invention.
  • the spring in order to produce a spring ring closure, as described and/or claimed above and/or below, the spring is introduced into the axially bent inner tube, then the outer tube is pushed over the inner tube so far that A free space is created between the free ends of the outer and inner tubes in the circumferential direction of the ring, and the inner tube is then straightened.
  • a spring ring closure according to the invention can be produced quickly and inexpensively.
  • the manufacture of a spring ring closure could be carried out, for example, as explained in more detail below.
  • the outer tube or the inner tube can be made from a precious metal, in particular gold and/or silver, and/or from a base metal, in particular from stainless steel, or from other materials that are preferably used in the jewelry industry.
  • the outer tube which can be manufactured by spiral welding, could be straightened after being separated from a spiral, so that the outer tube would lie flat on a flat surface if it were laid down.
  • the inner tube would not be straightened after being separated from the spiral, which means that the spiral's winding pitch is maintained.
  • the spring would then be inserted into the inner tube up to the spring stop.
  • the spring protrudes from the inner tube, with a length that can be greater than the path of the outer tube, whereby this means the path between the end of the tube and the spring stop.
  • the outer tube would then be put over the spring and then pushed back onto the inner tube, tensioning the spring. Now the entire spring ring closure would be aligned, whereby the inner tube would be aligned by means of the pushed-back outer tube until both tubes were aligned over their imaginary center.
  • the force of the spring would be released by releasing the outer tube, which would close the spring ring closure.
  • the exact alignment of the inner tube with the outer tube would be important, which would prevent the outer tube from running past a free end of the inner tube can be prevented.
  • Another advantage of this manufacturing method would be the fact that the spring would not have to be compressed until the outer tube was put over the inner tube, which would protect the spring from damage during production and also make production much easier.
  • Fig.1 shows a cross section of a first
  • FIG.2 shows a cross section of a second embodiment of a spring ring closure 1 designed according to the invention.
  • the second embodiment is designed like the first embodiment except for the presence of an attached handle element 12, so that both embodiments are described together below.
  • the spring ring closure 1 consists of an outer tube 3, an inner tube 4 and a spring 6.
  • the outer tube 3 and the inner tube 4 have a circular cross-section.
  • the cross-section can also be oval, rectangular, triangular or square, for example.
  • the two tubes 3, 4 can be made of gold, silver or stainless steel, for example, which can be used in particular in the manufacture of jewelry.
  • a spring ring clasp 1 can be made of at least one precious metal and/or at least one base metal.
  • the spring ring closure 1 When closed ( Fig. 1a and Fig. 2a ), the spring ring closure 1 forms a closed ring 2, which can have a diameter of less than 10 mm, preferably less than 6 mm. As already described, the spring ring closure 1 can also have a diameter larger than 10 mm depending on the application. The spring ring closure 1 can ultimately have interesting applications for all sizes.
  • the outer tube 3 is placed over the inner tube 4 with minimal clearance so that the two tubes 3,4 can be moved relative to each other and guided.
  • an overlap area 5 is formed by outer tube 3 and inner tube 4, which in opened state ( Fig. 1b and Fig. 2b ) is larger than in the closed state.
  • a second overlap area 18 is formed, the second overlap area 18 being limited on the one hand by the spring stops 10 of the outer tube 3 and the inner tube 4 and on the other hand by an outer end 21 of the outer tube 3.
  • the second overlap area 18 significantly increases the stability and safety of the spring ring closure 1 in the closed state.
  • the free end 8 of the inner tube 4 engages the free end 8 of the outer tube 3.
  • the spring ring closures 1 shown are designed in such a way that the spring 6 is completely covered by the tube arrangement formed by the inner tube 4 and the outer tube 3 in the open and closed state. This is made possible by spring stops 10, which constrict the free ends 8 of the outer tube 3 and the inner tube 4 to such an extent that the spring 6 cannot jump out of the spring ring closure 1 even in the open state. Instead, the spring 6 presses against the spring stops 10 and is thereby tensioned.
  • the Figures 1 and 2 The spring stops 10 shown are soldered to the tubes 3, 4 as a ring or plate, but could alternatively also be moldings of the outer tube 3 or the inner tube 4.
  • the spring stops 10 are identical here to stops 9, which also touch each other when the spring ring closure 1 is closed ( Fig. 1a and Fig. 2a ).
  • the stops 9 and spring stops 10 may not be designed as identical components.
  • a cavity 7 is formed between the stop 9 and the spring stop 10 of the inner tube 4 and/or between the stop 9 and the spring stop 10 of the outer tube 3.
  • the stops 9 touch each other when the spring ring closure 1 is closed, but the stops 9 no longer touch the spring 6.
  • the spring 6 then touches the spring stops 10. Since a second cavity 7 can thus form, a first cavity 7, i.e. the cavity 7 that contains the spring 6, can be made smaller.
  • the spring stops 10 of both tubes 3, 4 each form an opening 11, so that neither the outer tube 3 nor the inner tube 4 are completely closed.
  • the openings 11 can be used, for example, to move the spring 6 with a tool, for example to align the spring 6.
  • only one or neither of the two tubes 3, 4 can have an opening 11 formed by a stop 9 or a spring stop 10.
  • Fig.2 shows a handle element 12, which can be used to facilitate the operation of the spring ring closure 1, especially with small spring ring closures 1.
  • the handle element 12 is in the Fig. 2a and 2b attached to the outside 13 of the outer tube 3, but a handle element 12 can also be attached to the outside 14 of the inner tube 4. It is also conceivable to use more than one handle element 12 on a spring ring closure 1.
  • Section 16 of the spring 6 is wound more tightly than a section of the spring 6 located in the inner tube 4 in the closed state ( Fig. 1a and Fig. 2b ).
  • the end of the spring 6 which strikes the free end 8 of the inner tube 4 can also be Figures 1 and 2 be more strongly wound than the majority of the spring 6, which is located in the inner tube 4.
  • the protruding section 16 of the spring 6 is wound more tightly, so that the risk is reduced that the spring 6 gets caught on the edges 17 of the inner tube 4 when the spring ring closure 1 is opened ( Fig. 1a ).
  • the spring 6 can be protected and the spring ring closure 1 can be opened and closed more easily.
  • the spring 6 can also have a constant winding density over its entire length. This can save costs in spring production, whereby the spring ring closure 1 can be designed to be more cost-effective and thus more customer-friendly.
  • the outer tube 3 and the inner tube 4 are completely closed on their outer surface. This increases the rigidity of the outer tube 3 and the inner tube 4, so that twisting and thus unintentional opening of the spring ring closure 1 can be prevented.
  • the mechanism of the spring ring clasp 1 described above or claimed below can be used, for example, for clasps, pendants, bracelets and hoop earrings 19.
  • Figure 3 shows a spring ring closure 1 designed as a creole 19. Functionally and/or constructively to the preceding embodiments similar or Identical components and functional units are designated with the same reference symbols and are not described separately again. The explanations for the Figures 1 and 2 are therefore considered Figure 3 accordingly.
  • the spring stop 10 of the outer tube 3 is not set back, but is arranged flush with the outer end 21 of the outer tube 3.
  • a pin 20 is formed on the spring stop 10, in particular soldered to it. In the closed state, the pin 20 projects into the free end 8 of the inner ear 4, whereby the pin 20 reaches through the opening 11 of the spring stop 10 of the inner ear 4 and through the inner diameter of the spring 6 ( Fig. 3a ).
  • a pin 20 projects through an opening 11 of a stop 9 of an inner tube 4 and reaches through a second cavity 7 to a spring stop 10 of the inner tube 4.
  • the advantage of the spring ring closure 1 designed as a creole 19 is that ear holes can be covered by the outer tube 3 or the inner tube 4. In general, a creole 19 can be advantageously adapted to any ear thickness.
  • a Creole 19 To put on a Creole 19, open it ( Fig. 3b ) and the pin 20 is inserted through an ear hole. The pin 20 is then aligned with the free end 8 of the inner tube 4, so that after the outer tube 3 or inner tube 4 is released, the creole 19 closes due to the spring force without the pin 20 running past the outer end 22 of the inner tube 4.
  • the spring 6 is manufactured in such a way that the creole 19 can be closed without causing pressure pain in the ear.
  • the spring ring closure 1 can then, for example, assume the state according to Fig. 3c take in.
  • an end cap which has a larger diameter than the outer tube 3 can be attached to the outer end 21 of the outer tube 3.
  • an end cap which has a larger diameter than the inner tube 4 can be formed on the outer end 22 of the inner tube 4. This can make the earphone even more comfortable to wear, as the force is distributed over a larger area and therefore less pressure is exerted on the earlobe.
  • the invention generally proposes a spring ring closure 1 with a closed state in which the spring ring closure 1 forms a closed ring 2 and with an open state in which the ring 2 is open, comprising an outer tube 3, an inner tube 4 which projects into the outer tube 3 in an overlap region 5, and a spring 6 which is arranged in a cavity 7 formed by the outer tube 3 and the inner tube 4, wherein the outer tube 3 can be displaced relative to the inner tube 4 against a spring force caused by the spring 6 to open the spring ring closure 1, thereby increasing the overlap region 5, and wherein the spring 6 projects out of the inner tube 4 and into the outer tube 3 at least in the closed state.
  • the use of such a spring ring closure 1 is preferably of interest in the jewelry industry, but is not limited to this area.

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Claims (14)

  1. Fermeture à anneau élastique (1) avec un état fermé dans lequel la fermeture à anneau élastique (1) forme un anneau (2) fermé et avec un état ouvert dans lequel l'anneau (2) est ouvert, comportant un tube extérieur (3), un tube intérieur (4) qui pénètre, dans une zone de chevauchement (5), dans le tube extérieur (3), et un ressort (6), caractérisée en ce que le ressort (6) est agencé dans un espace creux (7) formé dans les tubes extérieur et intérieur (3, 4), le tube extérieur (3) pouvant coulisser par rapport au tube intérieur (4) contre une force de ressort exercée par le ressort (6) pour ouvrir la fermeture à anneau élastique (1) et le ressort (6) dépassant du tube intérieur (4) et pénétrant dans le tube intérieur (3) au moins à l'état fermé.
  2. Fermeture à anneau élastique (1) selon la revendication 1, caractérisée en ce que les tubes intérieur (4) et extérieur (3) présentent à l'état ouvert des extrémités libres (8) qui se touchent à l'état fermé, en particulier l'extrémité libre (8) du tube intérieur (4) s'engageant à l'état fermé dans l'extrémité libre (8) du tube extérieur (4).
  3. Fermeture à anneau élastique (1) selon une des revendications précédentes, caractérisée en ce que sur ou dans le tube extérieur (3) et/ou sur ou dans le tube intérieur (4) est formée une butée (9), en particulier les butées (9) se touchant à l'état fermé.
  4. Fermeture à anneau élastique (1) selon une des revendications précédentes, caractérisée en ce que dans le tube extérieur (3) et/ou dans le tube intérieur (4) est formée une butée de ressort (10) qui est touchée par le ressort (6) à l'état ouvert et à l'état fermé.
  5. Fermeture à anneau élastique (1) selon une des revendications précédentes, caractérisée en ce que le tube extérieur (3) et/ou le tube intérieur (4) sont ouverts à leur extrémité libre (8), en particulier une ou la butée (9) formée dans ou sur le tube extérieur (3) ayant une ouverture (11), de sorte qu'elle n'obture pas complètement le tube extérieur (3) et/ou une ou la butée (9) formée dans ou sur le tube intérieur (4) ayant une ouverture (11), de sorte qu'elle n'obture pas complètement le tube intérieur (4).
  6. Fermeture à anneau élastique (1) selon une des revendications précédentes, caractérisée en ce que seul le ressort (6) est agencé dans l'espace creux (7) et/ou que la fermeture à anneau élastique (1) est constituée du tube extérieur (3), du tube intérieur (4) et du ressort (6).
  7. Fermeture à anneau élastique (1) selon une des revendications précédentes, caractérisée en ce que le ressort (6) est entièrement recouvert à l'état ouvert et à l'état fermé par le dispositif tubulaire formé par le tube intérieur (4) et le tube extérieur (3).
  8. Fermeture à anneau élastique (1) selon une des revendications précédentes, caractérisée en ce que les tubes extérieur et intérieur (3, 4), en particulier la totalité de la fermeture à anneau élastique (1), sont dénués d'éléments de préhension (12), en particulier dénués d'éléments de préhension (12) montés et dénués d'encoches.
  9. Fermeture à anneau élastique (1) selon une des revendications précédentes, caractérisée en ce que le tube extérieur (3) et/ou le tube intérieur (4) sont complètement fermés au niveau de leur surface latérale.
  10. Fermeture à anneau élastique (1) selon une des revendications précédentes, caractérisée en ce qu'une section (16) du ressort (6) dépassant du tube intérieur (4) à l'état fermé est enroulée de façon plus dense qu'une section du ressort (6) se trouvant dans le tube intérieur (4) à l'état fermé.
  11. Fermeture à anneau élastique (1) selon une des revendications précédentes, caractérisée en ce qu'au moins un élément de fixation est formé sur le tube intérieur (4) et le tube extérieur (3) pour fixer la fermeture à anneau élastique (1) sur un élément de bijouterie.
  12. Fermeture à anneau élastique (1) selon une des revendications précédentes, caractérisée en ce que cette fermeture à anneau élastique (1) est configurée pour suspendre un bijou et/ou que cette fermeture à anneau élastique (1) a un diamètre de moins de 10 mm, de préférence de moins de 6 mm.
  13. Fermeture à anneau élastique (1) selon une des revendications 2 à 12, caractérisée en ce qu'à l'extrémité libre (8) du tube extérieur (3) est formée une tige (20) qui pénètre dans le tube intérieur (4) à l'état fermé, en particulier à travers un orifice (11) de la butée (9) et/ou de la butée de ressort (10) formée sur ou dans le tube intérieur (4) et/ou à travers une section du ressort (6), et/ou qu'à l'extrémité libre (8) du tube intérieur (4) est formée une tige (20) qui pénètre dans le tube extérieur (3) à l'état fermé, en particulier à travers un orifice (11) de la butée (9) et/ou de la butée de ressort (10) formée sur ou dans le tube extérieur (3) et/ou à travers une section (16) du ressort (6).
  14. Fabrication d'une fermeture à anneau élastique (1) selon une des revendications précédentes, dans laquelle le ressort (6) est introduit dans le tube intérieur (4) courbé axialement, puis le tube extérieur (3) est poussé sur le tube intérieur (4) jusqu'à ce qu'un espace libre apparaisse dans la direction périphérique de l'anneau (3) entre les extrémités libres (8) des tubes extérieur (3) et intérieur (4), et qu'ensuite le tube intérieur (4) soit redressé.
EP21191339.7A 2021-08-13 2021-08-13 Fermeture à anneau élastique et fabrication d'une fermeture à anneau élastique Active EP4133963B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP21191339.7A EP4133963B1 (fr) 2021-08-13 2021-08-13 Fermeture à anneau élastique et fabrication d'une fermeture à anneau élastique
US17/884,647 US11950664B2 (en) 2021-08-13 2022-08-10 Spring ring clasp and method of producing a spring ring clasp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21191339.7A EP4133963B1 (fr) 2021-08-13 2021-08-13 Fermeture à anneau élastique et fabrication d'une fermeture à anneau élastique

Publications (3)

Publication Number Publication Date
EP4133963A1 EP4133963A1 (fr) 2023-02-15
EP4133963C0 EP4133963C0 (fr) 2024-06-26
EP4133963B1 true EP4133963B1 (fr) 2024-06-26

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US (1) US11950664B2 (fr)
EP (1) EP4133963B1 (fr)

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US917038A (en) * 1908-04-15 1909-04-06 Attleboro Chain Company Spring ring-snap.
US1017458A (en) * 1911-03-04 1912-02-13 Sheridan Smith Piper Link-guard.
US1209615A (en) * 1916-02-23 1916-12-19 John Zvetina Safety coupling device for jewelry.
US1244599A (en) * 1916-07-12 1917-10-30 B A Ballou And Company Inc Spring-ring.
US1386746A (en) * 1919-04-07 1921-08-09 Wachenheimer Bros Spring-ring
US1340206A (en) * 1919-06-05 1920-05-18 Ballou & Co B A Spring-ring
US1442096A (en) * 1921-10-05 1923-01-16 Henry J Spooner Spring ring
US1449175A (en) * 1922-02-25 1923-03-20 Grunebaum Charles Bead-clasp attachment
US2222053A (en) * 1940-02-26 1940-11-19 A E Waller Company Inc Spring ring
FR2305950A1 (fr) * 1975-03-29 1976-10-29 Sonnenberg Herbert Dispositif de fermeture pour bijoux tels que chaines, ou gourmettes
US4329765A (en) * 1979-09-28 1982-05-18 Nakawa Corporation Method for manufacturing a spring ring to be electroplated
IT1167973B (it) * 1981-09-08 1987-05-20 Uno A Erre Italiana Spa Perfezionamento in una chiusura con anello a molla per monili a collana bracciale ed altro
US7726152B2 (en) * 2004-12-15 2010-06-01 Guy Beard Magnetic jewelry clasp and article of jewelry
US20090013721A1 (en) * 2005-05-09 2009-01-15 Murao Co., Ltd. Clasp
US20150040358A1 (en) * 2013-08-12 2015-02-12 Heather Jane Burns Jewelry spring ring clasp

Also Published As

Publication number Publication date
US20230046667A1 (en) 2023-02-16
US11950664B2 (en) 2024-04-09
EP4133963C0 (fr) 2024-06-26
EP4133963A1 (fr) 2023-02-15

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