EP0160114B1 - Verfahren zur Herstellung eines Armbandes besonders eines Uhrarmbandes und danach hergestelltes Armband - Google Patents

Verfahren zur Herstellung eines Armbandes besonders eines Uhrarmbandes und danach hergestelltes Armband Download PDF

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Publication number
EP0160114B1
EP0160114B1 EP19840104876 EP84104876A EP0160114B1 EP 0160114 B1 EP0160114 B1 EP 0160114B1 EP 19840104876 EP19840104876 EP 19840104876 EP 84104876 A EP84104876 A EP 84104876A EP 0160114 B1 EP0160114 B1 EP 0160114B1
Authority
EP
European Patent Office
Prior art keywords
links
tape
fact
strap
bracelet
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.)
Expired
Application number
EP19840104876
Other languages
English (en)
French (fr)
Other versions
EP0160114A1 (de
Inventor
Claude Ray
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.)
DYNAFER SA
Original Assignee
DYNAFER SA
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 DYNAFER SA filed Critical DYNAFER SA
Priority to DE8484104876T priority Critical patent/DE3465420D1/de
Publication of EP0160114A1 publication Critical patent/EP0160114A1/de
Application granted granted Critical
Publication of EP0160114B1 publication Critical patent/EP0160114B1/de
Expired legal-status Critical Current

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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
    • A44C5/02—Link constructions
    • A44C5/025—Link constructions with links threaded on a band
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C27/00—Making jewellery or other personal adornments

Definitions

  • the present invention relates to a method of producing a bracelet, in particular for a watch, comprising a ribbon of flexible and elastically deformable material and links carried by this ribbon (as known from document CH-A-354 285).
  • the invention also relates to the bracelet obtained by the implementation of this method.
  • the object of the present invention is to provide a means of producing a bracelet which does not require mechanical deformations of its constituent elements during assembly, as is the case when parts of the links of the bracelets must be folded, for example, during assembly; this makes it possible to use, without subsequent mechanical operations, links obtained by simple stamping, stamping, or better still sintering.
  • the absence of mechanical deformations during assembly expands the field of materials which can be used for the production of the links, extra-hard metals being able to easily be taken into account.
  • the invention makes it possible to obtain extra-thin, extremely flexible bracelets, presenting great possibilities as to the shape of the links and their appearance.
  • the bracelet shown in figs. 1 to 4 comprises metal links 1 obtained by stamping, stamping or sintering, in the form of elongated rectangles arranged side by side transversely to the longitudinal axis of the bracelet.
  • Each link 1 has, along one of its long sides, a projection of circular section 1a and, along its opposite edge, a recess 2, of corresponding shape.
  • the projection of each link is engaged in the recess of the adjacent link, the engagement being effected by a relative movement of sliding of the links.
  • the links 1 have, on their internal face, each a notch 3, all of these notches forming, when the links are juxtaposed, a groove extending longitudinally in the middle of the bracelet.
  • This groove is occupied by a flexible strip 4 formed of an elastomer, for example the elastomeric fluorine, known on the market under the name of "VITON (registered trademark), vulcanized on the links.
  • VITON registered trademark
  • the bracelet described and shown is obtained by using a mold comprising a matrix 5 (fig. 5), of elongated shape, in which the links 1 are placed in the inverted position, already engaged one in the other, in the position in which they will be found once the bracelet is finished.
  • Their central part, in this case their notch 3, is coated with an adhesive binder as commonly used in vulcanization.
  • One or more pieces of VITON are placed on the groove produced by the set of notches 3, which are crushed, while heating the set, using a punch 6 forming the second part of the mold, in one conventional operation, known per se, of vulcanization.
  • the punch 6 is provided with a series of dowels 7 forming, in the ribbon 4, holes 8 (FIG. 2), these dowels aiming to prevent that, during vulcanization, the elastomer does not flow in the interstices remaining between the links, which would block the articulation of these.
  • the variant of fig. 6 differs from the first embodiment in that between the links 1 and the VITON ribbon 4 is interposed a flexible core 9, metallic or made of plastic, for example, pierced with holes 10 arranged in line with each link and which allow the material of the ribbon to creep up to the links 1 to which it adheres.
  • the links are not articulated directly to each other, as in the first embodiment, but connected to each other by the VITON ribbon, designated by 12, to which they are assembled by vulcanization.
  • the notch designated by 13, formed in each link 11, corresponding to the notch 3 of the links 1 of the first embodiment, is extended laterally, by two recesses 13a which fill up, during the vulcanization of the material constituting the ribbon 12.
  • the links, designated by 14 are connected to each other only by the elastomer ribbon, designated here by 15, and are not adjacent to each other, but slightly distant from each other, separated by transverse ribs 15a formed by the ribbon 15.
  • Each link 14, of generally rectangular shape, has, on its internal face, a recess 16, also rectangular, and is pierced with two holes 17 (fig. 10). As shown in fig. 11, the material of the ribbon 15 is also pierced with holes, designated by 18, located opposite the holes 17, the purpose of these different openings being essentially decorative.
  • the holes 18 in the ribbon 15 and the fact that there is no vulcanizable material in the holes 17 will be obtained by corresponding projections that will present the two elements of the mold, die and punch.
  • the variant of fig. 12 differs from the embodiment of figs. 9 to 11 essentially by the fact that a flexible core 19, metallic or made of plastic, for example, is interposed between the links 14 of the bracelet and the ribbon, designated here by 20, in VITON, and by the fact that the spaces between the links 14, designated by 21, are empty here while, in the embodiment of FIGS. 9 to 11, they are filled by the transverse ribs 15a of the ribbon 15. Holes 22 are provided in the core 19, these holes having the same purpose as the holes 10 in the variant of FIG. 6.
  • the core is not constituted by a ribbon as in the variant of FIG. 12, but by separate elements, designated by 23, forming connecting pieces.
  • the links 14 are connected by the parts 23, constituted by metal plates having transverse edges 23a engaging in the recesses 16 of the links 14.
  • the VITON ribbon is here designated by 24.
  • the links, designated by 25, are also connected by connecting pieces, as in the variant of FIG. 13, designated here by 26.
  • the connecting pieces are not located on the internal face of the bracelet, as in the variant of FIG. 13, but on the external face.
  • Each link 25 has, on its internal face, a notch 27 intended to form, with the notches of the adjacent links, a longitudinal groove receiving the VITON ribbon, visible in FIG. 17 only where it is designated by 28.
  • Each link 25 further has, opening on its external face, four recesses 29 in which engage corresponding projections 26a of the connecting pieces 26, the profile of the projections 26a and recesses 29 being such that the bracelet can bend in the direction of the arrows 30 in FIG. 16 but not in reverse.
  • the ribbon 28 is in contact both with the links 25 and with the connecting pieces 26, as shown in FIG. 17, to which it adheres by vulcanization.
  • the bracelet is made from elements - links and, where appropriate, connecting pieces - which do not undergo any mechanical operation during assembly, in particular no folding. It follows that these elements can be easily produced by stamping, stamping or sintering, which allows, in particular, the use of extra hard material.
  • the bracelets obtained are perfectly flexible, can be very thin, will be very diverse in their appearance, whether due to the various shapes that can be given to the links, especially when they are not directly articulated to each other, or because of the contrast effects that can be achieved by a choice of various materials, for the links and / or for the connecting pieces when they are visible, or also because the vulcanized elastomer can be also visible, appearing between the links or in their openings.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Adornments (AREA)

Claims (10)

1. Verfahren zur Herstellung eines Armbandes, insbesondere eines Uhrenarmbandes, mit einem Band aus weichem und elastisch verformbarem Material und mit von diesem Band getragenen Gliedern, dadurch gekennzeichnet, daß man die Glieder mit dem Band durch Vulkanisieren verbindet.
2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß man zur Herstellung des Bandes ein Elastomer verwendet.
3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß man für die Herstellung des Bandes ein Fluorelastomer verwendet.
4. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß man eine längliche Gießform verwendet, welche die Matrize bildet, daß man die Glieder in diese Matrize, eines nach dem anderen, quer einsetzt, in der relativen Stellung, welche sie im fertigen Armband einnehmen sollen, daß man mindestens ein Stück eines vulkanisierbaren Materials in die Matrize einlegt und daß man dann das Ganze erwärmt, wobei man auf das Stück mittels eines Stempels drückt, so daß das Material die Form eines Bandes annimmt.
5. Verfahren nach Anspruch 4, dadurch gekennzeichnet, daß man, vor dem Einlegen des Stückes vulkanisierbaren Materials in die Matrize, die Glieder zumindest teilweise mit einem Bindemittel bedeckt.
6. Verfahren nach Anspruch 4, dadurch gekennzeichnet, daß man einen Stempel verwendet, welcher Vorsprünge aufweist, welche das Material während des Vulkanisierens daran hindern, in die Zwischenräume zwischen den Gliedern zu fließen, wo seine Anwesenheit unerwünscht wäre.
7. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß man zwischen die Glieder und das Band eine flexible, metallische Einlage zwischenlegt.
8. Verfahren nach Anspruch 7, dadurch gekennzeichnet, daß man eine metallische Einlage Verwendet, welche derart mit Löchern versehen ist, daß das Material während des Vulkanisierens durch diese Löcher fließt und an den Gliedern haftet.
9. Armband mit einem Band aus weichem und elastisch verformbarem Material und mit von diesem Band getragenen Gliedern, dadurch gekennzeichnet, daß dieses Band auf diesen Gliedern aufvulkanisiert ist.
10. Armband nach Anspruch 9, dadurch gekennzeichnet, daß die Glieder miteinander ausschließlich durch dieses Band verbunden sind.
EP19840104876 1982-11-30 1984-05-01 Verfahren zur Herstellung eines Armbandes besonders eines Uhrarmbandes und danach hergestelltes Armband Expired EP0160114B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8484104876T DE3465420D1 (en) 1984-05-01 1984-05-01 Process for making a strap, especially a watch strap, and strap produced by this process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH694782A CH649695A5 (fr) 1982-11-30 1982-11-30 Procede de realisation d'un bracelet, notamment pour montre, et bracelet obtenu par ce procede.

Publications (2)

Publication Number Publication Date
EP0160114A1 EP0160114A1 (de) 1985-11-06
EP0160114B1 true EP0160114B1 (de) 1987-08-19

Family

ID=4317535

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840104876 Expired EP0160114B1 (de) 1982-11-30 1984-05-01 Verfahren zur Herstellung eines Armbandes besonders eines Uhrarmbandes und danach hergestelltes Armband

Country Status (2)

Country Link
EP (1) EP0160114B1 (de)
CH (1) CH649695A5 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012100833A1 (fr) * 2011-01-28 2012-08-02 Roventa-Henex S.A. Fabrique D'horlogerie Bracelet a maillons et son procede d'assemblage
CH704963B1 (fr) * 2011-05-16 2015-08-14 Buccellati Watches Sa Bracelet pour une pièce d'horlogerie.
ITTO20110790A1 (it) * 2011-09-03 2011-12-03 Anteo S R L Maglia o elemento a castone per la produzione di prodotti di gioielleria, prodotti di gioielleria realizzati mediante tale elemento e relativo procedimento di produzione
USD782335S1 (en) * 2016-02-12 2017-03-28 Nixon, Inc. Watch

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR741142A (de) * 1933-02-04
US1852016A (en) * 1929-04-04 1932-04-05 Kent Francis Bracelet
US2409759A (en) * 1941-09-13 1946-10-22 Composite Rubber Products Corp Direct bonding of rubber to metal
CH250439A (fr) * 1945-10-19 1947-08-31 Breguet Roger Bracelet.
CH354285A (fr) * 1959-05-04 1961-05-15 Reymond Hermann Bracelet extensible pour montre

Also Published As

Publication number Publication date
CH649695A5 (fr) 1985-06-14
EP0160114A1 (de) 1985-11-06

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