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EP0233831B1 - Verfahren zum Herstellen von Schmuck mit anliegenden gefassten Edelsteinen - Google Patents

Verfahren zum Herstellen von Schmuck mit anliegenden gefassten Edelsteinen Download PDF

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Publication number
EP0233831B1
EP0233831B1 EP87430002A EP87430002A EP0233831B1 EP 0233831 B1 EP0233831 B1 EP 0233831B1 EP 87430002 A EP87430002 A EP 87430002A EP 87430002 A EP87430002 A EP 87430002A EP 0233831 B1 EP0233831 B1 EP 0233831B1
Authority
EP
European Patent Office
Prior art keywords
stones
diameter
studs
bore
support
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
EP87430002A
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English (en)
French (fr)
Other versions
EP0233831A1 (de
Inventor
Emile Magnien
Alain Plantureux
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.)
Diamant Applications SA
Original Assignee
Diamant Applications 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 Diamant Applications SA filed Critical Diamant Applications SA
Priority to AT87430002T priority Critical patent/ATE48221T1/de
Publication of EP0233831A1 publication Critical patent/EP0233831A1/de
Application granted granted Critical
Publication of EP0233831B1 publication Critical patent/EP0233831B1/de
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C17/00—Gems or the like
    • A44C17/04—Setting gems in jewellery; Setting-tools
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/23—Gem and jewel setting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49588—Jewelry or locket making
    • Y10T29/4959—Human adornment device making

Definitions

  • the present invention relates to mechanized methods of manufacturing jewelry comprising a plurality of small contiguous stones, embedded in a metal support and the jewelry obtained by this process.
  • the technical sector of the invention is that of the manufacture of jewelry.
  • stones of the same class generally have different heights from the table, that is to say from the external and visible face of a stone relative to the bearing face of the stone on its seat .
  • Mechanized manufacturing processes are already known for jewelry comprising a plurality of small contiguous stones embedded in a metal support according to which a plurality of juxtaposed equidistant housings are machined with very great precision, each comprising a seat on which a stone is supported and crimping claws located at the periphery of each housing (EP-A 0 197 871).
  • Processes of this type are also known in which the housings are machined so as to leave in each of them a very narrow annular seat which is deformable. A pusher is then applied to the external faces of the stones placed on their seat. This pusher rests on the highest stone tables and the thrust which is exerted on them deforms the narrow seat, so that at the end of the operation the tables of all the stones are in the same plane s 'It is a flat support or on the same curved surface parallel to the external face of the support when the latter is curved.
  • This known prior process requires complex machining operations in order to obtain with precision, at the periphery of housings having a diameter of the order of a millimeter, a narrow and deformable annular seat.
  • An objective of the present invention is to improve the method of machining the supports so as to eliminate the need to obtain a narrow annular seat by pressing the stones directly on the claws and by machining them, so that said points support stones are deformable, so that when a push is applied on the stone tables, the tallest stones push the metal from the support points and sink deeper than the shorter stones and finally we obtain jewels whose visible tables of all the stones are in the same plane or on the same curved surface despite the differences in height of the stones.
  • a method according to the invention of mechanized manufacture of jewelry comprising a plurality of small contiguous stones belonging to the same particle size class and having different heights, which are embedded in a metal support is of the known type, in which it is machined in said support juxtaposed and equidistant bores each comprising a deformable seat on which a stone is supported and crimping claws located at the periphery of each housing and common to several stones.
  • the object of the invention is achieved by means of a method according to which a plurality of frustoconical pillars are machined at the periphery of each bore which are arranged at the vertices of a polygon surrounding said bore and whose side walls converge towards the external face of said support by means of a conical tool which removes overlapping metal crowns.
  • a stone is placed in each bore which rests on the lateral faces of said pillars.
  • a pusher parallel to the external face of said support is applied to the tables of the highest stones and the said pusher is pressed, which has the effect of driving in the stones which repel the metal of said pillars until said pusher is in contact with the tables of all the stones which are then in the same plane or on the same surface parallel to the external face of said support and the stones are crimped by causing said pillars to flambé by means of a crimping tool.
  • the stones used belong to the same class of granulometry which is defined by the diameters of the meshes of two superimposed sieves having been used to classify them.
  • the diameter of the circle inscribed inside the bases of the pillars surrounding a bore is equal to the diameter of the meshes of the sieve on which the stones are retained and the diameter of the circle inscribed inside the tops of said pillars is equal to the diameter mesh of the next higher sieve.
  • a plurality of bores are machined in the support which are each extended by a blind counter-bore and each bore has a diameter greater than that of the circle inscribed inside. laughing at the bases of the pillars which surround it, so that each pillar has cylindrical notches which are cut in its side walls by said bores.
  • the invention results in new jewels comprising pavings of small contiguous precious stones which are produced mechanically on numerically controlled machine tools which make it possible to obtain reduced manufacturing costs and which also make it possible to machine with very great precision of the housings and crimping claws, hence the possibility of obtaining pavings of very small stones, for example pavements containing 80 stones per square centimeter.
  • the methods according to the invention allow the stones to be supported on the walls of four or six conical claws.
  • the bearing surface of a stone is very small at the start and if this stone is pressed, it exerts on the metal support points, sufficient pressure to deform it permanently by pushing it back, so that the stone can sink into its housing. Thanks to this permanent deformation of the metal, 1 is possible to make up for the height differences between the tables of the different stones of the same particle size class, so that the tables of all the stones of the same jewel are placed on the same surface parallel to the external face of the support. This gives a better aesthetic effect.
  • the methods according to the invention make it possible to achieve this result without requiring complex machining operations since the only machining operations consist of bores and cuts of frustoconical pillars by means of a rotary tool such as a strawberry, a drill bit or a forest capable of cutting metal crowns while leaving a central frustoconical pillar.
  • a rotary tool such as a strawberry, a drill bit or a forest capable of cutting metal crowns while leaving a central frustoconical pillar.
  • Figures 1 and 2 respectively show a partial top view and a vertical section of a jewel support 1 machined to receive small contiguous diamonds.
  • the support 1 is for example a flat gold plate intended to constitute a part of bracelet, or brooch, or earring. It can also be a support having a curved external face, for example a watch case.
  • the support 1 must be lined with small contiguous precious stones which are for example hand-cut diamonds, which have been calibrated by passing through a series of sieves whose meshes increase in steps of 0.05 mm. All the stones used are taken from the same particle size class, for example stones the diameter of which is between 1.10 mm and 1.15 mm, that is to say stones which are retained on the mesh screen. 1.10 mm after passing through a 1.15 mm mesh screen.
  • the machining of the support 1 is carried out on a numerically controlled machine which has been programmed to machine in the support of the bores 2 whose diameter is less than that of the stones, for example equidistant bores having a diameter of 1mm for stones comprised between 1.1 and 1.15 mm.
  • FIG. 1 represents a preferred embodiment in which the bores are arranged in staggered rows, which makes it possible to insert a greater number of stones per unit of surface.
  • the bores 1 can also be arranged in line as shown in Figure 3, or checkerboard.
  • the distance between the centers of two neighboring bores 2 is greater than twice the radius of the bores, so that they do not overlap.
  • the numerically controlled machine makes it possible to obtain a very high accuracy of the order of 0.01 mm in the layout and the diameter of the bores 2.
  • Another machining operation is carried out on the numerically controlled machine on which a rotary tool 3 is mounted in the form of a conical drill bit visible in FIG. 4, which removes a metal crown.
  • the drill bit 3 has two cutting edges 3a and 3b which are slightly inclined relative to the axis x x1 of the drill bit.
  • the internal edge 3b diverges with respect to the axis x x1 towards the end of the drill bit, so that after removal of the metal crown, there remains in the center of this a small metal pillar 4, of shape frustoconical, the apex 4a of which is situated on the external face of the support 1.
  • the external edge 3a of the drill bit converges towards the axis x x1 towards the end of the drill bit.
  • the angle formed by the edges 3a and 3b with the axis x x1 is for example 3 °.
  • the pillars 4 are shown in FIGS. 1 and 2 and in dotted lines in FIG. 1 the traces of the external edge of the trepan.
  • the radius of the external cutting edge is such that the crowns of removed metal overlap and that only the pillars 4 remain between the bores 2.
  • the pillars 4 act as crimping claws for the stones and at the same time, as will be seen, a deformable seat on which the stones are supported.
  • FIG. 1 represents a preferred exemplary embodiment in which the stones are arranged in staggered rows and each stone is held by six equidistant claws 4, the centers of which are arranged at the vertices of a hexagon which surrounds a bore 4.
  • Each claw 4 is common to three stones and the center of each claw 4, through which the axis x x1 of the drill bit passes during the operation of machining the pillars, is the center of the triangle formed by the vertical axes of the three bores which surround a pillar.
  • the centers of all the pillars located on the periphery of the same bore are located at the same distance from the center of this bore.
  • the height of the pillars 4 is of the order of half the height of the bore 2.
  • the dimensions and the conicity of the cutting edges of the drill bit are such that the circle C1 inscribed inside the tops of the pillars 4 has a diameter D1 which is slightly greater than the diameter of the stones and that the circle C2 inscribed inside the bases of the pillars 4 has a diameter D2 which is slightly less than that of the stones.
  • the diameter D2 is equal to the diameter of the mesh of the sieve on which the stones are retained and the diameter D1 is equal to the diameter of the mesh of the sieve immediately greater.
  • the diameters D2 and D1 are respectively equal to 1.10 mm ⁇ 0.02 and 1.15 mm ⁇ 0.02.
  • the machining operations of the bores 2 and the abutments 4 can be done in any order because the numerically controlled machine makes it possible to position with very great precision, the drilling tool for the bores 2 and the drill bit 3 independently l of each other.
  • Figures 3 and 4 respectively show a partial top view and a section of a second embodiment of a jewel according to the invention comprising a single row of stones.
  • each stone is held by four claws arranged at the vertices of a rectangle and each claw is common to two neighboring stones.
  • the machining operations include the machining of a row of bores 2, the radii of which are less than the diameter of the stones chosen and whose centers are equidistant and are placed at a distance greater than the diameter, so that the bores do not do not overlap.
  • the machining operations also include the machining of frustoconical pillars 4 by the removal of metal crowns by means of a rotary drill bit 3 shown in FIG. 2.
  • FIG. 5 represents two stones 5a and 5b each engaged in a housing 2a and 2b respectively.
  • This height represents the height Ha, Hb of the table 9 of each stone, that is to say the distance which separates the external and visible face 9 of the stone from the plane passing through the largest external contour of the stone that determines its diameter.
  • FIG. 5 represents two stones of very different height, the stone 5a having for example a height Ha equal to 0.16 mm and the stone 5b a height equal to 0.22 mm.
  • a stone 5 is placed in each housing, all the stones belonging to the same class of particle size comprised between two mesh diameters D1 and D2, that is to say ie stones with a diameter less than D1 and greater than D2.
  • the tables 9 of the stones are then placed at different levels as a result on the one hand, significant differences in height H of the stones and also slight differences in the external diameter of the stones within the same class of grain size.
  • a pusher 7 which has bosses 8 of the same height which freely penetrate between the pillars 4 and which are supported on the tables 9 of the stones.
  • bosses 8 of the same height which freely penetrate between the pillars 4 and which are supported on the tables 9 of the stones.
  • the tallest stones exert pressure against the generators of the six pillars 4 on which they are supported and this pressure is sufficient to deform the metal permanently by pushing down a thin metal tongue 6, which will widen and deepen as the stone descends. when the pusher descends, it meets the tables of the other stones.
  • the pusher When the pusher has progressed downwards by a height equal to the maximum difference in height between the different stones, which is of the order of 10% of the diameter of the stones, the pusher is in contact with the tables 9 of all the stones and these are placed rigorously in the same plane PP ' .
  • FIG. 5 represents an embodiment in which the support 1 has a flat external face and. the lower faces of the bosses 9 are arranged in the same plane parallel to said external face.
  • the lower faces of the bosses 8 are arranged on a surface parallel to said external face and, at the end of the operation, the tables 9 of all the stones are placed on the same surface parallel to the external face of the support 1.
  • the stones 2a, 2b are inserted into their housing, they are crimped by deforming the pillars by buckling by means of a crimping tool which is applied to the heads of the claws.
  • the crimping is carried out mechanically.
  • FIG. 5 represents an embodiment in which the pusher 7 comprises, on its underside, cells 10 which come to cap each pillar to cause it to flame.
  • Figures 6 to 12 show another embodiment of a method according to the invention.
  • Figures 6 and 7 show a first step during which is machined in a metal support 1, equidistant bores 11 which are arranged in staggered rows or rows or checkerboard. Each bore 11 is extended by a blind counterbore 12 of smaller diameter. These bores and counter bores are produced simultaneously by means of a forest mounted on a numerically controlled machine.
  • FIGS. 8 and 9 represent another step of the process during which the pillars 4, of frustoconical shape, are machined in the support 1, by means of a rotary drill bit which removes metal crowns 13.
  • the cutting edges of the drill bit are slightly inclined relative to the axis of the drill bit, so that the side walls of the pillars 4 diverge downwards with a taper angle of 1 order of 6 ° .
  • the pillars 4 are arranged at the vertices of a polygon which surrounds each bore 11 and equidistant from the center of the bore.
  • FIG. 8 represents an example in which each stone is held by six claws arranged at the tops of a hexagon.
  • Figures 8 and 9 show an example in which the pillars 4 are machined before drilling the bores 11 and 12. These two operations can be done in any order.
  • the positions of the bores 11 and 12 located at the center of the pillars 4 are shown in dotted lines in FIG. 8. It can be seen that the centers of the pillars 4 are located at a distance from the center of the bore 11 less than the sum of the radii of said bore and the base of the pillars.
  • the bore 11 has a diameter greater than the diameter of the circle inscribed inside the bases of the pillars 4 and less than the diameter of the circle inscribed inside the tops of the pillars 4.
  • Figures 10 and 11 show views respectively in plan and in section of a bore 12 surrounded by six pillars 4.
  • the height of the pillars 4 is slightly greater than the depth of the bore 11.
  • each pillar 4 comprises, on the lower part of its lateral faces, three cylindrical notches 11 whose generatrices are vertical which result from the fact that the bore 11 intersects the lateral walls of the pillars 4 and that it therefore penetrates into them.
  • the three cylindrical notches 11 of each pillar draw a curvilinear triangle and they are surmounted by a frustoconical part.
  • the diameter of the bore 11 is smaller than the diameter of the smallest stones, for example, it is equal to 1.05 mm ⁇ 0.02 for stones between 1.10 and 1.15 mm.
  • the diameter of the circle inscribed inside the tops of the pillars is slightly greater than or equal to the diameter of the largest stones.
  • Figure 12 shows, like Figure 5, a section through two housings of the same support, in which two stones of the same size class have been inserted having different table heights Ha and Hb.
  • the cylindrical notches 11 hollowed out in the lateral walls of the pillars 4 have the effect of eliminating the taper of the walls from the top of the notches and therefore of preventing the thickness of metal to be repelled from increasing too much as the stones descend .
  • the hatched areas 17 on the right-hand side of FIG. 12 represent the metal repelled by the stone 15b.
  • the pillars 4 are made to burn to deform them permanently by means of a crimping tool which is pressed on the heads of the pillars 4 which become crimping claws .
  • Figure 13 is a perspective view of a pillar 4 on which we see the three cylindrical notches arranged at 120 ° , which are cut in the side wall by the bore 11, whose diameter is greater than that of the circle inscribed in the inside of the bases of the pillars 4 arranged around the same bore 11.

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  • Adornments (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Display Devices Of Pinball Game Machines (AREA)

Claims (8)

1. Verfahren zur maschinellen Herstellung von Schmuck, umfassend eine Mehrzahl von nebeneinander angeordneten kleinen Steinen unterschiedlicher Höhe, die zu ein- und derselben Granulometrieklasse gehören, welche in einem Träger (1) aus Metall des Typs, bei welchem man in den Träger im gleichen Abstand nebeneinanderliegende Bohrungen einarbeitet, gefaßt sind, wobei jede Bohrung einen verformbaren Sitz, auf dem ein Stein aufliegt, und am Umfang jeder Aufnahme befindliche Fassungsklauen für mehrere Steine gemeinsam aufweist, welches die Folge der nachstehenden Verfahrensschritte umfaßt:
- man arbeitet am Umfang jeder Bohrung eine Mehrzahl von an den Spitzen eines die Bohrung umgebenen Vielecks befindliche kegelstumpfförmige Pfeiler (4), deren Wände zur Außenseite des Trägers hin konvergieren, mit einem konischen Werkzeug (3) ein, das sich überschneidende Metallkränze abhebt,
- man plaziert in jeder Bohrung einen der Steine (5a, 5b), der dann an den Seitenflächen der Pfeiler anliegt,
- man bringt auf die Tafeln (9) der höchsten Steine eine Presse (7) parallel zur Außenfläche des, Trägers auf und drückt auf diese, indem man die Steine versenkt, die das Metall der Pfeiler zurückdrücken, bis die Presse mit den Tafeln sämtlicher sich dann in ein- und derselben Ebene (PP') oder auf derselben Oberfläche parallel zur Außenfläche des Trägers befindlichen Steine in Kontakt ist,
- und man faßt die Steine durch Stauchen der Pfeiler (4) mit einem Fassungswerkzeug.
2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß der den Enden (4a) der ein- und dieselbe Bohrung (2, 11) umgebenden Pfeiler (4) eingeschriebene Kreis einen Durchmesser (D1) hat, der größer oder gleich dem Durchmesser der größten Steine ist, und der den Basen der Pfeiler eingeschriebene Kreis einen Durchmesser (D2) hat, der kleiner als der Durchmesser der kleinsten Steine ist.
3. Verfahren nach Anspruch 2 zur Herstellung von Schmuck, umfassend eine Mehrzahl von Steinen, die zu einer Granulometrieklasse gehören, welche durch die Maschendurchmesser zweier übereinander angeordneter Siebe zum Klassifizieren der Steine festgelegt worden ist, dadurch gekennzeichnet, daß der Durchmesser (D2) des den Basen der eine Bohrung umgebenden Pfeiler eingeschriebenen Kreises gleich dem Durchmesser der Maschen des Siebs ist, auf dem diese Steine zurückgehalten worden sind, und der Durchmesser (D1) des den Enden der Pfeiler eingeschriebenen Kreises gleich dem Durchmesser der Maschen des unmittelbar darüberliegenden Siebes ist.
4. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß man in den Träger eine Mehrzahl von Bohrungen (11) einarbeitet, die durch blinde Gegenbohrungen (12) verlängert sind, und jede Bohrung (11) einen Durchmesser hat, der größer als jener des den Basen der sie umgebenden Pfeiler (4) eingeschriebenen Kreises ist, so daß jeder Pfeiler in seinen Seitenwänden von den Bohrungen (11) abgeschnittene zylindrische Ausnehmungen aufweist.
5. Verfahren nach Anspruch 4, dadurch gekennzeichnet, daß der Durchmesser der Bohrungen (11) kleiner als der Durchmesser der kleinsten Steine ist.
6. Schmuck des Typs umfassend eine Mehrzahl von nebeneinander angeordneten kleinen Steinen, die in einem Träger (1) aus Metall eingesetzt sind, wobei jeder Stein in einer im Träger ausgehöhlten Bohrung (2) eingefügt und von am Umfang der Bohrung im gleichen Abstand zum Mittelpunkt derselben angeordneten Fassungsklauen (4) gehalten ist, wobei die Klauen kegelstumpfförmige Pfeiler (4) sind, die in die Masse des Trägers eingeschnitten sind und deren Enden (4a) an der Außenseite des Trägers liegen, und der den Basen der ein- und dieselbe Bohrung (2, 11) umgebenden Pfeiler (4) eingeschriebene Kreis einen Durchmesser hat, der kleiner als der Durchmesser der größten Steine ist, so daß jeder Stein (5a, 5b) an den Seitenwänden der Pfeiler anliegt, von denen er das Metall wegdrückt, und daß sich die Tafeln (9) sämtlicher Steine ein-und desselben Schmuckstücks auf ein- und derselben Oberfläche parallel zur Außenfläche des Trägers befinden.
7. Schmuck nach Anspruch 6, bei welchem die Steine zu ein- und derselben Granulometrieklasse gehören, welche durch die Maschendurchmesser zweier übereinander angeordneter Siebe festgelegt sind, dadurch gekennzeichnet, daß der die Basen der Pfeiler berührende Kreis einen Durchmesser hat, der gleich dem Durchmesser der Masche des unteren Siebs ist, und der die Enden der Pfeiler berührende Kreis einen Durchmesser hat, der gleich dem Durchmesser der Masche des oberen Siebs ist.
8. Schmuck nach Anspruch 6, dadurch gekennzeichnet, daß die am Umfang einer Bohrung (11) befindlichen Pfeiler in einer Entfernung vom Mittelpunkt dieser Bohrung angeordnet sind, die kleiner ist als die Summe aus dem Radius der Bohrung und dem Radius der Basis der Pfeiler, so daß jeder Pfeiler von der Bohrung (11) in seiner Seitenwand abgeschnittene zylindrische Ausnehmungen aufweist.
EP87430002A 1986-01-17 1987-01-16 Verfahren zum Herstellen von Schmuck mit anliegenden gefassten Edelsteinen Expired EP0233831B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87430002T ATE48221T1 (de) 1986-01-17 1987-01-16 Verfahren zum herstellen von schmuck mit anliegenden gefassten edelsteinen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8600735 1986-01-17
FR8600735A FR2593039B1 (fr) 1986-01-17 1986-01-17 Procedes de fabrication mecanisee de bijoux comportant une pluralite de petites pierres jointives enchassees dans un support en metal et bijoux obtenus par ce procede.

Publications (2)

Publication Number Publication Date
EP0233831A1 EP0233831A1 (de) 1987-08-26
EP0233831B1 true EP0233831B1 (de) 1989-11-29

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EP87430002A Expired EP0233831B1 (de) 1986-01-17 1987-01-16 Verfahren zum Herstellen von Schmuck mit anliegenden gefassten Edelsteinen

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US (1) US4761865A (de)
EP (1) EP0233831B1 (de)
JP (1) JPH0728765B2 (de)
AT (1) ATE48221T1 (de)
AU (1) AU586556B2 (de)
CA (1) CA1307404C (de)
DE (1) DE3761033D1 (de)
ES (1) ES2011820B3 (de)
FR (1) FR2593039B1 (de)
GR (1) GR3000357T3 (de)

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USD682139S1 (en) 2012-03-05 2013-05-14 Prestige Jewelry International, Inc. Gemstone jewelry
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USD684885S1 (en) 2013-01-30 2013-06-25 Prestige Jewelry International, Inc. Gemstone jewelry
CH707581B1 (fr) * 2013-02-08 2020-01-15 Les Ateliers Horlogers Dior Sa Pièce pour l'horlogerie et procédé de fabrication d'une telle pièce.
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US1351205A (en) * 1919-03-03 1920-08-31 Abraham L Eliasoff Mounting for cluster tops for rings
US1529831A (en) * 1924-07-19 1925-03-17 James S Brennan Ornamental plaque
US2858597A (en) * 1952-11-14 1958-11-04 Dyer Corp Methods and apparatus for manufacturing ornamental articles
FR1506317A (fr) * 1966-04-28 1967-12-22 Procédé de sertissage de pierres précieuses, dispositif pour la mise en oeuvre de ce procédé et produits résultant de l'application du procédé
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FR2523821B1 (fr) * 1982-03-24 1985-08-30 Cupillard Philippe Systeme de montage de pierres pour articles de bijouterie
FR2545241B1 (fr) * 1983-04-26 1988-12-30 Diamant Applic Procede et dispositif pour la preparation du sertissage de pierres precieuses dans une monture de forme quelconque
FR2579085B1 (fr) * 1985-03-21 1987-07-03 Diamant Applic Procedes de fabrication de bijoux comportant une ou plusieurs rangees de pierres et bijoux obtenus par ces procedes
FR2580155B1 (fr) * 1985-04-12 1987-07-10 Diamant Applic Procedes de fabrication mecanisee de bijoux comportant une pluralite de petites pierres jointives enchassees dans un support en metal precieux et bijoux obtenus par ce procede

Also Published As

Publication number Publication date
FR2593039A1 (fr) 1987-07-24
FR2593039B1 (fr) 1988-04-29
GR3000357T3 (en) 1991-06-07
JPS62192102A (ja) 1987-08-22
ATE48221T1 (de) 1989-12-15
ES2011820B3 (es) 1990-02-16
US4761865A (en) 1988-08-09
JPH0728765B2 (ja) 1995-04-05
DE3761033D1 (de) 1990-01-04
CA1307404C (fr) 1992-09-15
AU586556B2 (en) 1989-07-13
AU7196787A (en) 1988-10-27
EP0233831A1 (de) 1987-08-26

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