EP0044254B1 - Process for securing precious stones on a mount - Google Patents
Process for securing precious stones on a mount Download PDFInfo
- Publication number
- EP0044254B1 EP0044254B1 EP81401113A EP81401113A EP0044254B1 EP 0044254 B1 EP0044254 B1 EP 0044254B1 EP 81401113 A EP81401113 A EP 81401113A EP 81401113 A EP81401113 A EP 81401113A EP 0044254 B1 EP0044254 B1 EP 0044254B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stones
- stone
- frame
- mounting
- hole
- 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
Links
Images
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
- Y10T29/49826—Assembling or joining
- Y10T29/49945—Assembling or joining by driven force fit
Definitions
- the present invention relates to a method of fixing precious stones to a frame, which fixing is carried out using individual pieces, constituted by a head and by a rod, said head having a frustoconical lower part produced so as to bear on the bevel of the table of the stone or stones to be fixed.
- the present invention relates to an industrial method of fixing precious stones on a frame making it possible to overcome the difficulties due to the use of known fixing techniques.
- the method according to the present invention is characterized in that said rod being provided with at least one protuberance which, cooperating with the corresponding hole made in the frame, causes sufficient friction to cause the jamming of each individual piece put in place.
- the individual parts which can be used according to the invention therefore comprise a rod and a head.
- the rod is intended to enter a hole in the frame so as to secure said part with the frame.
- essentially the wedging of said rod will be used inside the hole made in the frame.
- a frame should preferably be used before a hardness of 50 to 60 vickers, a rivet of 130 to 140 vickers and to ensure that the diameter of the part of the rod which comes into contact with the internal surface of the hole is approximately 0.02 mm greater than the diameter of said hole.
- protrusion on the rod of the individual parts is a metal portion projecting from the cylindrical surface forming the rod.
- This protuberance can be formed of several individual elements (pins) or of a collar or preferably a frustoconical collar whose ends are very fine (cf. figure). There may be one or more similar or different growths on the same stem.
- the heads of the individual parts which can be used according to the invention are intended, by their lower face, to press at a point (or along a small area) on the upper face of the edge of a stone. It therefore suffices that this head has sufficient dimensions in width (beyond the rod) to rest on the stone (s). It will be noted that in a particular embodiment of the invention said head can be formed, on the spot, by deformation of the end of the rod which comes out of the hole made in the frame.
- the heads can have very different circular, ellipsoidal, triangular, star, etc. shapes.
- the present invention can be used for fixing precious stones on any frame but it is particularly advantageous in the case of a metal or precious metal alloy frame.
- the preparation of the frame for implementing the invention is particularly simple; it will suffice on the one hand, to make in this frame holes or cells of cylindrical shape capable of receiving the stones and then on the other hand, to drill holes, suitably placed, intended to receive the rods of the individual pieces usable. Note in particular that if the holes or cells intended to receive the stones must have diameters adapted to said parts, the precision of the machining of these holes is much less important than in the case of fixing the stones by other industrialized systems.
Abstract
Description
La présente invention concerne un procédé de fixation de pierres précieuses sur une monture, laquelle fixation est réalisée à l'aide de pièces individuelles, constituées par une tête et par une tige, ladite tête présentant une partie inférieure tronconique réalisée de façon à prendre appui sur le biseau de la table de la ou des pierres à fixer.The present invention relates to a method of fixing precious stones to a frame, which fixing is carried out using individual pieces, constituted by a head and by a rod, said head having a frustoconical lower part produced so as to bear on the bevel of the table of the stone or stones to be fixed.
Il est connu, en joaillerie, de fixer les pierres précieuses sur une monture support au moyen de griffes façonnées sur ladite monture.It is known, in jewelry, to fix the precious stones on a support frame by means of claws shaped on said frame.
On a également décrit, dans le brevet FR-A-1 379 772, un procédé de fixation des pierres précieuses sur une monture consistant essentiellement à utiliser des étriers disposés sur la monture perpendiculairement à l'alignement desdites pierres et appuyant sur deux pierres jointives dudit alignement. La fixation des étriers sur la monture est réalisée par brasage. Ce procédé comporte certaines limitations lorsque l'on veut fixer plusieurs rangées contiguës de pierres et présente quelques difficultés pour la fixation des étriers sur la monture.We have also described, in patent FR-A-1 379 772, a method of fixing precious stones on a frame consisting essentially of using stirrups arranged on the frame perpendicular to the alignment of said stones and pressing on two adjoining stones of said alignment. The brackets are fixed to the frame by brazing. This process has certain limitations when one wants to fix several contiguous rows of stones and presents some difficulties for fixing the stirrups on the frame.
Enfin on a également décrit, dans le FR-A-807480, un système de montage de pierres pour joaillerie dans lequel la culasse de la pierre est immobilisée dans un chaton en forme de cuvette tronconique, à génératrice concave, par au moins deux vis qui se fixent dans des oreilles encadrant ladite cuvette et dont les têtes, à base tronconique, prennent appui sur le biseau de la table de cette pierre. Ce système de montage est théoriquement intéressant mais est relativement difficile à mettre en oeuvre compte tenu des dimensions des vis (et des pas de vis) à utiliser.Finally, there has also been described, in FR-A-807480, a system for mounting stones for jewelry in which the breech of the stone is immobilized in a kitten in the form of a frustoconical bowl, with concave generator, by at least two screws which are fixed in ears framing said bowl and whose heads, frustoconical, bear on the bevel of the table of this stone. This mounting system is theoretically interesting but is relatively difficult to implement given the dimensions of the screws (and the threads) to be used.
La présente invention vise un procédé industriel de fixation de pierres précieuses sur une monture permettant de surmonter les difficultés dues à l'utilisation des techniques de fixation connues.The present invention relates to an industrial method of fixing precious stones on a frame making it possible to overcome the difficulties due to the use of known fixing techniques.
Le procédé selon la présente invention est caractérisé en ce que ladite tige étant pourvue d'au moins une excroissance qui, coopérant avec le trou correspondant ménagé dans la monture, provoque un frottement suffisant pour provoquer le coincement de chaque pièce individuelle mise en place.The method according to the present invention is characterized in that said rod being provided with at least one protuberance which, cooperating with the corresponding hole made in the frame, causes sufficient friction to cause the jamming of each individual piece put in place.
Les pièces individuelles utilisables selon l'invention comportent donc une tige et une tête.The individual parts which can be used according to the invention therefore comprise a rod and a head.
La tige est destinée à entrer dans un trou ménagé dans la monture de façon à réaliser une solidarisation de ladite pièce avec la monture. Pour réaliser cette solidarisation on utilisera essentiellement le coincement de ladite tige (munie d'au moins une excroissance) à l'intérieur du trou ménagé dans la monture. Dans le cas particulier où l'on utilise une monture en or et une pièce individuelle également en or, il a été trouvé, que pour les tiges d'au moins une excroissance circulaire on devait employer de préférence une monture avant une dureté de 50 à 60 vickers, un rivet de 130 à 140 vickers et à faire en sorte que le diamètre de la partie de la tige qui entre en contact avec la surface interne du trou soit d'environ 0,02 mm supérieur au diamètre dudit trou.The rod is intended to enter a hole in the frame so as to secure said part with the frame. To achieve this joining, essentially the wedging of said rod (provided with at least one protuberance) will be used inside the hole made in the frame. In the particular case where a gold frame and an individual piece also made of gold are used, it has been found that for rods of at least one circular protrusion, a frame should preferably be used before a hardness of 50 to 60 vickers, a rivet of 130 to 140 vickers and to ensure that the diameter of the part of the rod which comes into contact with the internal surface of the hole is approximately 0.02 mm greater than the diameter of said hole.
Il est possible après mise en place des pierres au moyen de ces pièces individuelles de solidariser ces pièces avec la monture à l'aide d'un point de soudure mais cette précaution n'est pas indispensable.It is possible after placing stones using these individual parts to secure these parts with the frame using a welding point but this precaution is not essential.
Ce que l'on appelle « excroissance sur la tige des pièces individuelles est une portion métallique faisant saillie sur la surface cylindrique formant la tige. Cette excroissance peut être formée de plusieurs éléments individuels (picots) ou d'une collerette ou de préférence une collerette tronconique dont les extrémités sont très fines (cf. figure). Il peut y avoir une ou plusieurs excroissances analogues ou différentes sur la même tige.What is called "protrusion on the rod of the individual parts is a metal portion projecting from the cylindrical surface forming the rod. This protuberance can be formed of several individual elements (pins) or of a collar or preferably a frustoconical collar whose ends are very fine (cf. figure). There may be one or more similar or different growths on the same stem.
Les têtes des pièces individuelles utilisables selon l'invention sont destinées, par leur face inférieure, à appuyer en un point (ou suivant une faible surface) sur la face supérieure du bord d'une pierre. Il suffit donc que cette tête ait des dimensions suffisantes en largeur (au-delà de la tige) pour s'appuyer sur la (ou les) pierre(s). On notera que dans un mode de réalisation particulier de l'invention ladite tête peut être formée, sur place, par déformation de l'extrémité de la tige qui sort du trou pratiqué dans la monture. Les têtes peuvent avoir des formes très différentes circulaires, ellipsoïdales, triangulaires, en étoile, etc...The heads of the individual parts which can be used according to the invention are intended, by their lower face, to press at a point (or along a small area) on the upper face of the edge of a stone. It therefore suffices that this head has sufficient dimensions in width (beyond the rod) to rest on the stone (s). It will be noted that in a particular embodiment of the invention said head can be formed, on the spot, by deformation of the end of the rod which comes out of the hole made in the frame. The heads can have very different circular, ellipsoidal, triangular, star, etc. shapes.
Dans le cas où l'on veut réaliser la fixation d'une seule pierre sur une monture, on utilisera au moins deux pièces individuelles selon l'invention.In the case where it is desired to fix a single stone on a frame, at least two individual pieces according to the invention will be used.
Mais lorsque l'on veut réaliser la fixation de plusieurs pierres, il est très avantageux selon l'invention de faire en sorte que chaque pièce appuie sur au moins deux pierres contiguës. Si les pierres sont disposées selon une rangée on utilisera, de préférence, de part et d'autre de l'axe de cette rangée, deux pièces s'appuyant chacune sur deux pierres contiguës. Si les pierres sont disposées en plusieurs rangées on aura avantage, selon la disposition relative des pierres, à utiliser des pièces aptes à s'appuyer sur trois ou quatre des pierres contiguës.However, when it is desired to fix several stones, it is very advantageous according to the invention to ensure that each piece presses on at least two contiguous stones. If the stones are arranged in a row, it is preferable to use, on either side of the axis of this row, two pieces each resting on two adjoining stones. If the stones are arranged in several rows, it will be advantageous, depending on the relative arrangement of the stones, to use pieces capable of resting on three or four of the adjoining stones.
La présente invention est utilisable à la fixation de pierres précieuses sur des montures quelconque mais elle est particulièrement intéressante dans le cas de monture en métal ou alliage métallique précieux.The present invention can be used for fixing precious stones on any frame but it is particularly advantageous in the case of a metal or precious metal alloy frame.
La préparation de la monture pour mettre en oeuvre l'invention est particulièrement simple ; il suffira d'une part, de réaliser dans cette monture des trous ou alvéoles de forme cylindrique susceptibles de recevoir les pierres puis d'autre part, de percer des trous, convenablement placés, destinés à recevoir les tiges des pièces individuelles utilisables. On notera en particulier que si les trous ou alvéoles destinés à recevoir les pierres doivent avoir des diamètres adaptés auxdites pièces, la précision de l'usinage de ces trous est nettement moins importante que dans le cas de fixation des pierres par d'autres systèmes industrialisés.The preparation of the frame for implementing the invention is particularly simple; it will suffice on the one hand, to make in this frame holes or cells of cylindrical shape capable of receiving the stones and then on the other hand, to drill holes, suitably placed, intended to receive the rods of the individual pieces usable. Note in particular that if the holes or cells intended to receive the stones must have diameters adapted to said parts, the precision of the machining of these holes is much less important than in the case of fixing the stones by other industrialized systems.
A titre d'exemple on a représenté sur la figure unique une pièce individuelle selon l'invention utilisée pour la fixation de deux pierres contiguës sur une monture.For example, there is shown in the single figure an individual piece according to the invention used for fixing two adjoining stones on a frame.
Sur cette figure sont schématisés :
- - en 1 la monture ; cette monture est en or d'une dureté de 55 vickers ; dans cette monture on a ménagé un trou borgne 2 de diamètre 0,43 mm,
- - en 3 deux pierres qui sont représentées comme disposées sur la surface supérieure de la monture, en fait, compte tenu de la forme des pierres précieuses et notamment par exemple des diamants, ces pierres sont disposées dans des trous (non représentés) ménagés dans la monture.
- - en 4 la pièce individuelle de fixation qui est constituée d'une tige 5 et d'une
tête 6 ; la tige présente trois excroissances qui ont la forme de tronc de cône et qui donnent à ladite tige la forme générale d'un sapin ; ces excroissances ont des diamètres de 0,45 mm et la pièce individuelle est réalisée en un or ayant une dureté de 130 vickers ; la tête de chaque pièce individuelle presse, par sa face inférieure, le biseau de la table des deuxpierres 3 voisines.
- - in 1 the frame; this setting is made of gold with a hardness of 55 vickers; in this mount, a
blind hole 2 with a diameter of 0.43 mm has been provided, - - In 3 two stones which are shown as arranged on the upper surface of the frame, in fact, taking into account the shape of the precious stones and in particular for example diamonds, these stones are placed in holes (not shown) formed in the mount.
- - In 4 the individual fixing piece which consists of a rod 5 and a
head 6; the stem has three growths which have the shape of a truncated cone and which give said stem the general shape of a fir tree; these outgrowths have diameters of 0.45 mm and the individual piece is made of gold having a hardness of 130 vickers; the head of each individual piece presses, by its underside, the bevel of the table of two neighboringstones 3.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT81401113T ATE7845T1 (en) | 1980-07-11 | 1981-07-09 | METHOD OF FIXING GEMS IN A SETTING. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8015569A FR2486374A1 (en) | 1980-07-11 | 1980-07-11 | PROCESS FOR FIXING PRECIOUS STONES ON A FRAME AND PRODUCTS OBTAINED |
| FR8015569 | 1980-07-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0044254A1 EP0044254A1 (en) | 1982-01-20 |
| EP0044254B1 true EP0044254B1 (en) | 1984-06-13 |
Family
ID=9244141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP81401113A Expired EP0044254B1 (en) | 1980-07-11 | 1981-07-09 | Process for securing precious stones on a mount |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4543698A (en) |
| EP (1) | EP0044254B1 (en) |
| AT (1) | ATE7845T1 (en) |
| DE (1) | DE3164148D1 (en) |
| FR (1) | FR2486374A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2523821B1 (en) * | 1982-03-24 | 1985-08-30 | Cupillard Philippe | STONE MOUNTING SYSTEM FOR JEWELERY ITEMS |
| US4750457A (en) * | 1986-12-02 | 1988-06-14 | Loctite Corporation | Automobile engine cup plug and assembly method |
| US5423196A (en) * | 1994-04-14 | 1995-06-13 | Pollack; Johan | Method of mounting gems flush to one another in an article of jewelry, and articles of jewelry produced by such method |
| US5765398A (en) * | 1996-11-04 | 1998-06-16 | Marquesa, Inc. | Method and apparatus for assembling stones in jewelry |
| US5924321A (en) * | 1997-04-29 | 1999-07-20 | Mercury Products Corp. | Core plug formation die apparatus and method of manufacturing a core plug |
| US6223579B1 (en) | 1997-04-29 | 2001-05-01 | Mercury Products Corporation | Core plug formation die apparatus and method of manufacturing a core plug |
| US6412304B1 (en) | 1999-05-24 | 2002-07-02 | Stuart J. Adelman | Jewelry |
| US6415629B1 (en) * | 1999-11-19 | 2002-07-09 | Continential Jewelry (Usa) Inc. | Apparatus for setting precious gems in jewelry through the use of screws and other stabilizing means |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1546358A (en) * | 1924-12-01 | 1925-07-21 | Toledo Steel Products Company | Method of securing valve stems to heads |
| US1804833A (en) * | 1929-08-22 | 1931-05-12 | Walter C Johnston | Ornamental article and method of making the same |
| US1815165A (en) * | 1929-10-30 | 1931-07-21 | Sparks Withington Co | Control knob for condensers |
| US1926197A (en) * | 1932-09-14 | 1933-09-12 | American Hard Rubber Co | Pipe coupling |
| FR807480A (en) * | 1936-06-24 | 1937-01-13 | Maynier & G Pincon V | Stone mounting system for jewelry, jewelry or other applications |
| US2195598A (en) * | 1937-07-21 | 1940-04-02 | Illinois Tool Works | Fastening device |
| US2318776A (en) * | 1940-08-04 | 1943-05-11 | Richard J Haug | Tenon anchor |
| US2671945A (en) * | 1950-02-13 | 1954-03-16 | Harry H Kretzer | Jewel installing and removing device |
| GB1047829A (en) * | 1963-10-17 | 1966-11-09 | Francis Chirol | A method for securing stones or the like on a mount |
| US3349649A (en) * | 1965-07-26 | 1967-10-31 | Joseph J Mele | Press-fit bushing |
| GB1183253A (en) * | 1966-04-28 | 1970-03-04 | Henri Favre | A Process for Setting Precious Stones, and Jewellery Resulting from this Process |
| US4326333A (en) * | 1978-03-24 | 1982-04-27 | General Electric Company | Methods of manufacturing a prime mover and a rotatable assembly therefore |
| US4222245A (en) * | 1979-01-22 | 1980-09-16 | Jean Vitau | Setting for precious stones or the like and a method for mounting precious stones or the like in a setting |
| US4292818A (en) * | 1979-09-17 | 1981-10-06 | Jean Vitau | Setting and method for mounting precious stones and the like therein |
-
1980
- 1980-07-11 FR FR8015569A patent/FR2486374A1/en active Granted
-
1981
- 1981-07-09 EP EP81401113A patent/EP0044254B1/en not_active Expired
- 1981-07-09 AT AT81401113T patent/ATE7845T1/en not_active IP Right Cessation
- 1981-07-09 DE DE8181401113T patent/DE3164148D1/en not_active Expired
-
1983
- 1983-11-09 US US06/550,502 patent/US4543698A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FR2486374A1 (en) | 1982-01-15 |
| FR2486374B1 (en) | 1984-01-06 |
| US4543698A (en) | 1985-10-01 |
| DE3164148D1 (en) | 1984-07-19 |
| EP0044254A1 (en) | 1982-01-20 |
| ATE7845T1 (en) | 1984-06-15 |
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