WO2016086323A1 - Pierre de bijouterie, notamment diamant facette et son procede de montage sur un support - Google Patents
Pierre de bijouterie, notamment diamant facette et son procede de montage sur un support Download PDFInfo
- Publication number
- WO2016086323A1 WO2016086323A1 PCT/CH2015/000175 CH2015000175W WO2016086323A1 WO 2016086323 A1 WO2016086323 A1 WO 2016086323A1 CH 2015000175 W CH2015000175 W CH 2015000175W WO 2016086323 A1 WO2016086323 A1 WO 2016086323A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stone
- cylinder head
- support
- jewelery
- fastening means
- Prior art date
Links
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
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C27/00—Making jewellery or other personal adornments
- A44C27/001—Materials for manufacturing jewellery
- A44C27/005—Coating layers for jewellery
- A44C27/006—Metallic coatings
Definitions
- the present invention relates to a jewelery stone, made of a natural or synthetic material, in particular a facetted diamond, comprising a visible front part called a crown and a dorsal part at least partially hidden when the stone is mounted on a support, the said dorsal part being called a cylinder head. and being separated from the ring by an intermediate portion between said ring and said cylinder head, called a girdle, said jewelery stone comprising fastening means arranged to allow its attachment to said support, said fixing means comprising a metal bonding zone located on said cylinder head.
- jewelery stone as defined above on a support, said jewelery stone comprising fastening means arranged to allow its attachment to said support, said fastening means comprising a connection zone. metal located on said cylinder head.
- Jewelery stones, especially diamonds, are intended to be fixed on a support or a frame to form, for example, jewelry or timepieces.
- the fixing of the stones on a support is done by depositing on a portion of the peripheral surface of the stone, a metal coating for intimately fastening to the support by a welding process, riveting or the like.
- the publication FR 2 042 156 A describes a jewelery stone having a cylinder head on which is deposited a metal layer. This layer of metal makes it possible to weld the stone on a support.
- JP 091731 15 A describes a technique for fixing a jewelery stone, such as a diamond on a support, according to which a first layer, such as an alloy containing titanium (Ti), copper (Cu), the silver (Ag) and / or zirconium (Zr) is deposited on the diamond, and a second metal layer is deposited on the support, for example a gold alloy (Au). The two metal layers are then welded together to firmly secure the diamond to the support.
- a first layer such as an alloy containing titanium (Ti), copper (Cu), the silver (Ag) and / or zirconium (Zr) is deposited on the diamond
- a second metal layer is deposited on the support, for example a gold alloy (Au).
- Au gold alloy
- Deposition of the metal layer is performed on the diamond yoke, more particularly in the middle of the diamond yoke and on a surface smaller than the total surface of the yoke.
- this technique has an aesthetic disadvantage, the metal layer being visible when rays incident and reflected in the stone at the metallized area emerge by the crown of the stone.
- WO 00/57743 A2 relates to a system for crimping a gemstone in a piece of hollow jewelry.
- the system includes a device for creating a metal fastener area secured to the surface of the gemstone and a bonding device for securing the metal fastening area to a shell of the hollow jewelery piece.
- a circumferential portion of the surface of the gemstone is metallized and a metal layer is deposited by electrolysis on the circumferential metallized part of the surface of the gemstone.
- This fastening belt is formed in a groove dug in the stone and it encroaches at least partially on the front portion of the stone (that is to say the crown).
- Publication WO 2014/030068 A2 relates to a frame that includes a gemstone, a mounting surface and a brazed joint.
- the brazed joint is formed from a reactive metal alloy, which alloy allows the adherence of certain points on the surface of the gemstone directly to the mounting surface.
- the fastening techniques described in this publication may not ensure that the stone is sufficiently reliable or effective, and the soldering process described requires high temperatures, generally above 800 ° C., which are greedy for energy and can possibly damage a delicate mounting surface of a support for a high-end part.
- the present invention aims to overcome the above disadvantages by providing a jewelery stone arranged to be fixed on its support invisibly and a method of fixing the stone on its support, the fastening obtained being effective, reliable, durable and invisible.
- the invention relates to a jewelery stone as defined in the preamble, characterized in that said connecting zone is located on part or all of a peripheral sector of limited width of said cylinder head, in which the incident rays on the crown penetrating into the stone by an air / stone interface, are either reflected by a first cylinder head / air interface on a point of the cylinder head lower than said connection zone is totally reflected by said first cylinder head / air interface said stone in the peripheral area comprising said connecting zone, and are refracted outside said stone, at the rear of said cylinder head, through at least a second cylinder head / air interface of said stone.
- said peripheral sector is located on said cylinder head near said rounder.
- Said peripheral sector may preferably comprise a so-called invisible zone in which no incident ray refracted at the air / crown interface is reflected by the first yoke / air interface.
- Said peripheral sector may advantageously comprise a strip extending over 360 ° around the cylinder head. Said strip preferably covers an area corresponding at least approximately to about 20 to 35% of the surface of said cylinder head.
- the metal fastening means may comprise a plurality of sandwiched metal layers.
- the plurality of metal layers preferably comprises an inner layer forming a carbide layer with the stone.
- said inner layer comprises titanium, tantalum, hafnium or niobium.
- the plurality of metal layers also preferably includes an outer layer comprising the same material as the support for receiving the stone.
- the outer layer and said support comprises gold.
- the plurality of metal layers comprises an intermediate layer forming a diffusion barrier between said inner layer and said outer layer.
- the intermediate layer may include platinum.
- the metal fastening means are deposited by a PVD process.
- the invention relates to a fixing method as defined in the preamble, characterized in that said connecting zone is deposited on a part or on the whole of a peripheral sector of limited width of said cylinder head, in which the rays incident on the crown penetrating into the stone by an air / stone interface, are either reflected by a first cylinder head / air interface on a point of the cylinder head lower than said connection zone is totally reflected by said first cylinder head interface / air of said stone in the peripheral sector comprising said connecting zone, and are refracted outside said stone, at the rear of said cylinder head, through at least a second cylinder head / air interface of said stone.
- a strip is deposited in said peripheral sector which covers an area corresponding to at least approximately 20 to 35% of the surface of said cylinder head.
- the band advantageously covers an area corresponding to at least approximately 20 to 35% of the surface of said cylinder head.
- a plurality of sandwiched metal layers may be deposited to form the metal fastening means. It is also possible to deposit an inner layer forming a carbide layer with the stone, this inner layer comprising titanium, tantalum, hafnium or niobium. It is also possible to deposit an outer layer comprising the same material as that of the support intended to receive the stone before the fixing of said stone.
- Figure 1 is an axial section of a stone schematically illustrating the path of light rays penetrating into the crown of said stone and returned by the crown after total reflection on the first and second cylinder head / air,
- FIG. 2 is an axial section of a stone schematically illustrating the path of light rays penetrating into the crown of said stone provided with a connecting zone on a limited sector of the bolt,
- FIG. 3 is an axial section of a stone schematically illustrating the path of light rays penetrating into the crown of said stone provided with a connection zone in the invisible zone,
- FIG. 4 is a side view of a stone according to the invention provided with said connection zone, and
- FIG. 5 is a bottom view of a stone according to the invention provided with said connection zone.
- the present invention relates to a jewelery stone which will be referred to in the following "stone" 10.
- the stone 10 according to the invention may be natural or synthetic material and may in particular consist of a faceted diamond, but it may also consist of an emerald , a sapphire, a ruby or some other type of stone.
- the stone 10 is a round diamond having multiple facets cut 1 1.
- This exemplary embodiment is of course not limiting and the present invention extends to various forms of stones.
- the stone 10 as shown has a front portion which is commonly called crown 12, visible when the stone 10 is fixed on a support (not shown). It is common for it to be cut so as to present multiple facets 1 1.
- the stone 10 comprises a dorsal portion, commonly called the yoke 13, which is delimited with respect to the ring 12 by an intermediate portion, commonly called a girdle 14.
- the yoke 13 is generally cut to a point and can also be multifaceted 1 1.
- the yoke 13 is at least partially hidden when the stone is mounted on its support. Indeed, the yoke 13 is usually used to allow the fixing of the stone 10 on a support so that only the ring 12 is visible, and ensuring that the fixing of the stone 1 0 is as little visible as possible.
- a goal sought by jewelers is to hide the method of fixing the stone 10 while ensuring the reliability of its fixation and optimum brightness or brightness of the stone 10, and this regardless of the application, so independently the type of support, which may be, for example, a timepiece or a piece of jewelry.
- incident light rays R1, R2 which penetrate the stone 10 through the ring 12 may undergo one or more total reflections on the interfaces stone / air in the cylinder head 13, so that the incident light is restored through the stone / air interface of the crown 12 and gives the desired brightness and aesthetics to the stone 10.
- the relation that links the index refraction m of the air and the refractive index n ⁇ of the stone 10 and the angles incident h and refracted h is written:
- the refracted ray R'1 is deflected at an angle 12 with respect to the normal HA 1, this angle 12 being smaller than the incident angle h of the incident ray R 1, since the refractive index m of the air is less than the refractive index ⁇ 2 of the stone 10.
- This refracted ray R'1 travels inside the stone 10 and strikes the wall of the cylinder head 13, more exactly the first cylinder head / air interface at a point B1, on which he undergoes a total reflection.
- the refracted ray R'1 forms an angle i r with respect to the normal HBI at the point B1 which is greater than the limit angle ii beyond which there is total reflection and which obeys the law:
- ii arcsin (n1 / n2).
- the limiting angle ii is substantially equal to 24 °.
- the radius R'1, reflected at an angle ir at the point B1 is then sent to a second cylinder / air interface at a point C1 where it undergoes a new total reflection, before being sent back to a third interface crown / air in a point D1. It undergoes a refraction such that the exit angle i 4 is greater than the incident angle 13 at the point D1.
- the incident light at the point A1 of the ring 12 is restored at the point D1 of the ring 12 in the form of a radius R "i, so that the stone 10 shines with all its brilliance, when the conditions below above are united.
- a second incident light beam R2 is shown in FIG. 1.
- the beam R2 penetrates substantially perpendicularly to the central area 121 of the ring 12 propagating in a straight line without undergoing any refraction at the point of incidence A2. It enters the stone 10 and reaches the first cylinder head / air interface where it undergoes a first total reflection at point B2, then a second total reflection at point C2 at the second cylinder head / air interface. The light comes out substantially perpendicular to the beach 121 of the crown 12 without undergoing refraction. As previously the incident light is restored after following a more or less complex optical path inside the stone 10.
- the surface of the cylinder head 13 is metallized or covered in part or in whole with an opaque coating, for the purpose of providing means for fixing the stone 10 on a support, at least a portion of the light having passed through the stone 10 and having been reflected by the surface provided with said opaque coating, restores the image of this opaque coating and denies the desired brilliance of the stone 10, which we seek to avoid.
- the stone 10 according to the invention is provided with metal fixing means 20 to allow its attachment to a support (not shown).
- These metal fastening means 20 comprise, in this embodiment, a connecting zone 21 which is located on part or all of a limited peripheral sector 131 of the cylinder head 13.
- the metal fastening means 20 do not change the path normal light, but are arranged in the peripheral area 131 so that they are made invisible.
- the peripheral sector 131 of the yoke 13 has particular optical properties which will be explained in the following description.
- the connecting zone 21 may be in the form of a metal strip 22 which extends completely or even 360 ° around the cylinder head, as illustrated in FIG. 5.
- the strip 22 can be located directly below the
- the metal strip 22 may be formed by a coating or metal layer which has a limited width with respect to the height of the cylinder head 3 and extends at least in part on the peripheral sector 131 of the cylinder head 13.
- the peripheral sector 131 may be partially or totally metallized depending on the support.
- the peripheral sector 131 comprises the metal strip 22 which covers an area corresponding to 20 to 35% of the surface of the cylinder head 13.
- an incident ray R3 is sent on one of the facets 11 of the crown 12 of the stone 10 at an impact point A3, close to the girdle 14. It will be noted that the R3 is sent on the facet 11 adjacent to the rounder 14. It enters the crown 12 in the form of a refracted ray R'3 approaching the normal HA3 of the facet 1 1 at point A3 and falls on the first cylinder head / air interface of the cylinder head 13 in the peripheral sector 131 where is deposited the metal strip 22. The radius R'3 undergoes a total reflection at point B3.
- a second radius R4 shown in Figure 2 is refracted at an impact point A4 on the ring 12, refracted by penetrating into the stone 10 in the form of a radius R'4 which is reflected on the first cylinder head / air interface below the metal strip 22, at the point B4. After his total reflection, it strikes the second cylinder head / air interface, which is opposite to the first cylinder head / air interface, at a point C4 where it undergoes a second total reflection at point C4. It is then reflected towards the crown 12 that it passes through point D4 undergoing refraction.
- the radius R4 joins, with respect to its optical trajectory, the rays R1 and R2 of FIG. 1 and returns the incident light by contributing to give the stone 10 some radiance.
- the peripheral sector 131 also comprises a so-called invisible zone ZI in which an incident ray R3 refracted at the air / crown interface can be reflected by the first cylinder head / air interface only outside said invisible area ZI. In other words, no ray is reflected in the invisible area.
- This ZI Invisible Zone is located under the girdle and its height depends on the height of the girdle, which is typically 2 - 6% of the diameter of the gemstone. For example, with a stone
- the width of the invisible zone may be 0.25 mm. If a metal strip 22 is provided which is narrow enough to be located in this invisible zone ZI, then any ray incident at the air / crown interface will be reflected at the first cylinder head / air interface outside the strip 22. As a result, the metal strip 22 will not be visible because no light ray can reach the invisible area. In this case the connecting zone 21 comprising the band 22 does not completely cover the peripheral sector 131.
- the particular optical properties of the peripheral sector 131 make it possible to deposit the connection zone 21 over part or all of this peripheral sector 131 so that they are rendered invisible to an observer looking at the stone 10 by the crown 12. It has been observed in round faceted diamonds that the peripheral sector 131 is located directly under the girdle 14 and extends on a surface smaller than the total surface of the yoke 13.
- the metal fastening means 20 are deposited on the surface of the stone by a PVD (Physical Vapor Deposition) method.
- PVD Physical Vapor Deposition
- the use of PVD makes it possible to form the connection zone 21 in a controlled and precise manner on the surface of the stone.
- the PVD deposition step may be preceded by a step of cleaning the surface of the stone as well as possibly by the deposition of an adhesion layer.
- the PVD deposition step takes place in an enclosure comprising an inert gas, such as argon, at a pressure between 10 -4 to 10 -2 mbar.
- the metal fastening means 20 comprises a plurality of metal layers sandwiched on the surface of the stone.
- an inner metal layer of titanium or a titanium-based alloy
- platinum or a platinum-based alloy
- an outer layer of gold or a gold-based alloy
- the titanium layer which preferably has a thickness of 40-500 nm, plays a role of adhesion, the titanium forming a carbide layer with the stone.
- Other materials capable of forming a carbide layer with the stone can alternatively be used in place of titanium as the inner layer.
- the outer gold layer which preferably has a thickness of 100-2000 nm, allows attachment to a gold support by welding or thermal compression as described below.
- the material of the outer layer can be adapted accordingly for the latter.
- the platinum layer which preferably has a thickness of 60-500 nm, forms a diffusion barrier between the titanium layer and the gold layer, but other materials may also be used as the intermediate layer. Other layers apart from those mentioned may also be present in the fastening means 20.
- a chemical cleaning step can take place to remove any metallic material present at undesired locations to ensure that the bonding zone 21 and well positioned and not be discernible as explained in detail above.
- the stone comprising the metal fastening means 20 may be attached to a corresponding support by different techniques, but preferably this fixation is by thermal compression or welding.
- a metal layer is also formed by a PVD process on the part of the surface of the support intended to receive the stone (and in particular the metal fastening means 20 ).
- the metal layer deposited on the support is preferably also in gold. This deposition of a metal layer on the support can be further preceded by a step of cleaning the surface of the support in question.
- the stone is fixed to the support by thermal compression, and the metal fastening means 20 comprising a gold outer layer are compressed against a gold layer deposited on the support.
- a compression machine operating at a force of 2-20 kg / mm 2 and a temperature of 100-600 ° C (or more preferably 200-450 ° C) for a period of 20 seconds to 60 minutes, is used for this step.
- the stone is fixed to the support by a welding machine under a force of 5-50 g / mm 2 and a temperature of 280-350 ° C for a duration of 1 second to 5 minutes.
- a preform of a suitable material and shape for example, a conical gold-tin ring
- the support preferably has a gold layer previously deposited on its area.
- a chemical cleaning step can take place after welding to remove any remaining debris.
- the metal strip 22 is not discernible because it is in the invisible zone ZI just below the rondiste is all the incident rays R3 which are reflected by the peripheral sector 131, at the level of a first cylinder head / air interface, in which the metal strip 22 is located, are returned to a second cylinder head / air interface at an angle less than the limit angle ii of total reflection, so that they are refracted and evacuated at behind the breech 13 of stone 10 without being seen.
- the invention achieves the goals set, namely to make invisible the connection zone 21 of the stone 10 when attached to its support.
- Deposition of the metal fastening means 20 on the yoke by a PVD method allows the formation of a metal bonding zone 21 of a controlled size and at a precise position.
- this connecting zone 21 is understood as a metal strip 22 over 360 ° around the yoke, which allows a reliable and robust attachment to a support even if the stone is small and the strip 22 is relatively thin in width.
- the stone having the metal fastening means 20 may be advantageously attached to the support under conditions where the temperatures do not exceed 600 ° C, and more preferably do not exceed 450 ° C.
- the present invention is not limited to the embodiment described but extends to any modification and variation obvious to a person skilled in the art.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/531,621 US20180042345A1 (en) | 2014-12-02 | 2015-11-30 | Jewellery stone, in particular facetted diamond and method for mounting same on a mount |
EP15821016.1A EP3226713B1 (fr) | 2014-12-02 | 2015-11-30 | Pierre de bijouterie, notamment diamant facette et son procede de montage sur un support |
CN201580064978.7A CN107105839B (zh) | 2014-12-02 | 2015-11-30 | 宝石、特别是刻面钻石以及将其安装在基座上的方法 |
JP2017528827A JP6807839B2 (ja) | 2014-12-02 | 2015-11-30 | 宝石、特にはファセットダイヤモンド、およびそれを台に取り付ける方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH01856/14 | 2014-12-02 | ||
CH18562014 | 2014-12-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016086323A1 true WO2016086323A1 (fr) | 2016-06-09 |
Family
ID=52780353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH2015/000175 WO2016086323A1 (fr) | 2014-12-02 | 2015-11-30 | Pierre de bijouterie, notamment diamant facette et son procede de montage sur un support |
Country Status (5)
Country | Link |
---|---|
US (1) | US20180042345A1 (fr) |
EP (1) | EP3226713B1 (fr) |
JP (1) | JP6807839B2 (fr) |
CN (1) | CN107105839B (fr) |
WO (1) | WO2016086323A1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2042156A5 (fr) | 1969-04-01 | 1971-02-05 | Schmuckstein Colorant | |
JPH09173115A (ja) | 1995-12-27 | 1997-07-08 | Kyocera Corp | 宝石の固定方法 |
WO2000057743A2 (fr) | 1999-03-26 | 2000-10-05 | Laser Optronic Technologies (Proprietary) Limited | Monture de pierres précieuses |
US20140047867A1 (en) * | 2012-08-20 | 2014-02-20 | Forever Mount, LLC | Brazed Joint for Attachment of Gemstones to Each Other and/or a Metallic Mount |
Family Cites Families (27)
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US223237A (en) * | 1880-01-06 | Feancis ed meyeb | ||
US1211240A (en) * | 1914-08-15 | 1917-01-02 | Walter D A Ryan | Decorative jewel. |
US3931719A (en) * | 1972-05-03 | 1976-01-13 | D. Swarovski & Co., Glasschleiferei | Jewelry Component having mounted stones connected by deformable webs |
GB1480686A (en) * | 1974-11-04 | 1977-07-20 | Swarovski & Co | Component fitted with ornamental stones and process and apparatus for the production thereof |
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 |
JPS62236504A (ja) * | 1986-04-08 | 1987-10-16 | 多田 芳憲 | 宝石類の保持方法 |
US4943486A (en) * | 1987-04-01 | 1990-07-24 | Seiko Epson Corporation | Coated article and method of production |
US6422038B1 (en) * | 2000-04-26 | 2002-07-23 | Edmond Chin | Single prong jewerly setting |
JP3738279B2 (ja) * | 2001-03-23 | 2006-01-25 | 有限会社ジェムネットワーク | 装身具用ペンダント |
IL146079A (en) * | 2001-10-19 | 2004-06-20 | Michael Kedem | Rounded precious stone |
EP1350438A1 (fr) * | 2002-04-02 | 2003-10-08 | Biwi S.A. | Object de parure |
US6997014B2 (en) * | 2002-11-04 | 2006-02-14 | Azotic Coating Technology, Inc. | Coatings for gemstones and other decorative objects |
JP3962695B2 (ja) * | 2003-02-13 | 2007-08-22 | 東京真珠株式会社 | ダイアモンドのカッティング方法及びそれにより得られたダイアモンド |
US8215126B2 (en) * | 2007-03-01 | 2012-07-10 | Rany Mattar | Setting for gemstones, particularly diamonds |
JP2009142455A (ja) * | 2007-12-14 | 2009-07-02 | Juho:Kk | ダイヤモンドおよびダイヤモンド形状の宝飾品およびそのカット方法 |
US8056363B1 (en) * | 2008-06-16 | 2011-11-15 | Betterthandiamond, Inc. | Method for producing a highly refractive composite gemstone, and product |
US20120079853A1 (en) * | 2010-10-01 | 2012-04-05 | Blasbichler Guenther | Gem with brilliant cut |
US8844319B2 (en) * | 2011-01-14 | 2014-09-30 | Jonathan WEINGARTEN | Cut gemstone providing a specific optical pattern |
FR2986404B1 (fr) * | 2012-02-06 | 2014-10-03 | Orepa | Dispositif d'ornementation comportant au moins une pierre |
US20140075991A1 (en) * | 2012-09-19 | 2014-03-20 | Xinxin He | Multi-color gemstone coating technology |
CA2790467A1 (fr) * | 2012-09-20 | 2014-03-20 | Michiel Botha | Colette de montage en alliage a memoire de forme avec gemme rainure |
JP5424435B1 (ja) * | 2013-09-13 | 2014-02-26 | 株式会社クロスフォー | 身飾品 |
GB201322837D0 (en) * | 2013-12-23 | 2014-02-12 | Element Six Ltd | Polycrystalline chemical vapour deposited diamond tool parts and methods of fabricating mounting and using the same |
US9226554B2 (en) * | 2014-05-12 | 2016-01-05 | Yoshihiko Kodama | Circular cut diamond |
US20180042344A1 (en) * | 2016-08-15 | 2018-02-15 | Idd Limited | Gemstone |
WO2019159911A1 (fr) * | 2018-02-13 | 2019-08-22 | 泰法 乾 | Accessoire à ornement pivotant |
WO2019163774A1 (fr) * | 2018-02-20 | 2019-08-29 | 乾 博美 | Ornement |
-
2015
- 2015-11-30 JP JP2017528827A patent/JP6807839B2/ja active Active
- 2015-11-30 US US15/531,621 patent/US20180042345A1/en not_active Abandoned
- 2015-11-30 CN CN201580064978.7A patent/CN107105839B/zh active Active
- 2015-11-30 EP EP15821016.1A patent/EP3226713B1/fr active Active
- 2015-11-30 WO PCT/CH2015/000175 patent/WO2016086323A1/fr active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2042156A5 (fr) | 1969-04-01 | 1971-02-05 | Schmuckstein Colorant | |
JPH09173115A (ja) | 1995-12-27 | 1997-07-08 | Kyocera Corp | 宝石の固定方法 |
WO2000057743A2 (fr) | 1999-03-26 | 2000-10-05 | Laser Optronic Technologies (Proprietary) Limited | Monture de pierres précieuses |
US20140047867A1 (en) * | 2012-08-20 | 2014-02-20 | Forever Mount, LLC | Brazed Joint for Attachment of Gemstones to Each Other and/or a Metallic Mount |
WO2014030068A2 (fr) | 2012-08-20 | 2014-02-27 | Forever Mount, LLC | Joint brasé pour la fixation de pierres précieuses les unes aux autres et/ou à un support métallique |
Also Published As
Publication number | Publication date |
---|---|
JP2017536183A (ja) | 2017-12-07 |
CN107105839B (zh) | 2020-08-14 |
EP3226713B1 (fr) | 2022-08-24 |
CN107105839A (zh) | 2017-08-29 |
US20180042345A1 (en) | 2018-02-15 |
EP3226713A1 (fr) | 2017-10-11 |
JP6807839B2 (ja) | 2021-01-06 |
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