US20150007610A1 - Ornamental device comprising a stone - Google Patents

Ornamental device comprising a stone Download PDF

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Publication number
US20150007610A1
US20150007610A1 US14/374,899 US201314374899A US2015007610A1 US 20150007610 A1 US20150007610 A1 US 20150007610A1 US 201314374899 A US201314374899 A US 201314374899A US 2015007610 A1 US2015007610 A1 US 2015007610A1
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US
United States
Prior art keywords
stone
rear portion
protecting
fact
ornamental device
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.)
Abandoned
Application number
US14/374,899
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English (en)
Inventor
Arnaud Greulich
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of US20150007610A1 publication Critical patent/US20150007610A1/en
Abandoned 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
    • A44C17/02—Settings for holding gems or the like, e.g. for ornaments or decorations
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C17/00—Gems or the like
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C17/00—Gems or the like
    • A44C17/002—Gems made of several cut pieces
    • A44C17/003—Doublet stones
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C27/00—Making jewellery or other personal adornments
    • 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

  • This invention concerns an ornamental device comprising at least one cut or polished stone as well as a manufacturing process for such an ornamental device.
  • This invention relates to the field of ornamentation and, more specifically, that of the manufacture of ornamental devices incorporating at least one fine, semi-precious or precious stone, such a stone that can be cut and/or polished.
  • this invention will be particularly well suited for applications in the fields of jewellery or even watchmaking. It should be noted that this invention is also of particular interest (but not limited) to the case of ornamental devices incorporating at least stone that has a low refractive index.
  • such a stone has, on the one hand, a front portion usually incorporating a table and a crown and, on the other hand, a rear portion, constituted, in particular, by a flat face or a pavilion. Also, even though is possible to clean the front of such a stone with relative ease, dirt deposited on the rear portion of this stone is particularly difficult to clean, especially since it is difficult to access such a rear portion that is usually inserted inside a setting. This leads, irreparably, to the stone's brightness being dulled.
  • This invention aims to overcome the disadvantages of state-of-the-art ornamental devices.
  • this invention is intended to overcome the problem of dirt being deposited on such an ornamental device's stone, which dulls the stone's brightness.
  • the invention relates to an ornamental device comprising at least one cut or polished stone with at least one rear portion.
  • This ornamental device is characterised by the fact that it also has:
  • the invention also concerns a manufacturing process for an ornamental device comprising at least one polished or cut stone with at least one rear portion. This process is characterised by the fact that:
  • the invention concerns an ornamental device obtained by the implementation of this manufacturing process.
  • the ornamental device comprises a stone as well as means for protecting the rear portion of this stone from becoming soiled.
  • the presence of this means of protection ensures that dirt will settle on this means of protection and, advantageously, keep the dirt from being deposited on the back of the stone.
  • this ornamental device comprises means to prevent the ingress of a body (solid, liquid or gas) between the rear portion of the stone and means to protect this rear portion of the stone.
  • a body solid, liquid or gas
  • These means advantageously, keep dirt from penetrating and soiling the rear portion of the stone and thus make it possible to preserve the stone's original brightness.
  • These means also keep air from entering and, as appropriate, avoid breaking the vacuum or modifying the composition of the gas mixture between the rear portion of the stone and the means for protecting this rear portion of the stone, particularly in the defined inner volume between the rear portion of the stone and this means for protecting this rear portion of the stone.
  • this ornamental device comprises means to prevent the egress of a body (in particular, gas) from a defined inner volume between the rear portion of the stone and means for protecting this rear portion of the stone.
  • a body in particular, gas
  • this body in particular, a gas or gas mixture, especially air
  • the rear portion of the stone is always in contact with a layer of this body, which, advantageously, makes it possible to maintain the initial direction of the light reflected inside the stone and to thereby retain the stone's initial brightness.
  • FIG. 1 is a schematic, perspective view of an ornamental device consistent with the invention and comprising a stone as well as means for protecting the rear portion of this stone;
  • FIG. 2 is a schematic view corresponding to a detail drawing of the ornamental device shown in FIG. 1 at the level of the means for preventing the ingress or egress of a body;
  • FIG. 3 is an exploded view schematic drawing of the ornamental device illustrated in FIG. 1 .
  • This invention relates to the field of ornamentation and, more specifically, to that of the manufacture of ornamental devices incorporating at least one gem, one fine, semi-precious or precious stone. Such a stone can then be polished (for example, only polished as for a cabochon) and/or cut.
  • this invention will be particularly well suited for applications in the fields of jewellery or even watchmaking and is of particular interest (but not limited to) the case of ornamental devices incorporating at least one stone with a low refractive index (such as quartz).
  • This invention therefore, concerns an ornamental device 1 with at least one stone 2 .
  • such a stone 2 usually has a front portion 20 comprising a table 21 as well as a crown 22 extending below, from and around this table 21 .
  • Such a stone 2 also has a rear portion 23 , as appropriate, in the shape of a pavilion 24 (shown in the appended figures) or a flat surface, for example for a stone composed of a cabochon or otherwise (form of embodiment not shown).
  • Such a stone 2 has a girdle 25 interposed between the front portion 20 and rear portion 23 of this stone 2 .
  • the ornamental device 1 also has means 3 to at least partially protect the rear portion 23 of the stone 2 from dirt settling on this rear portion 23 of the stone 2 .
  • this means 3 to at least partially protect the rear portion 23 of the stone 2 is comprised of means for dressing and/or to covering, at least partially, this rear portion 23 of the stone 2 .
  • this means 3 of protection for the rear portion 23 of the stone 2 takes on the shape of this rear portion 23 of the stone 2 .
  • the means 3 for protecting the rear portion 23 of such a stone 2 is comprised of a flat plate fitted to this flat face.
  • the flat face of the stone 2 and the flat plate of the means of protection 3 have facing surfaces, which are flat and parallel.
  • the means 3 for protecting the rear portion 23 of such a stone 2 consists of a cap 30 , fitted to this pavilion 24 , and inside of which 30 this pavilion 24 is positioned.
  • the cap 30 then takes on the shape of the part of the pavilion 24 extending between a distal end 240 of this pavilion 24 and an edge 241 of this pavilion 24 (or even the rim of this pavilion 24 ) adjacent to the girdle 25 . According to a preferred form of embodiment of the invention illustrated in the figures in the appendices, this cap 30 takes on the entire shape of this pavilion 24 .
  • the pavilion 24 of such a stone 2 and the cap 30 of the protective means 3 of such a pavilion 24 have facets.
  • the cap's 30 facets thus correspond to the pavilion's 24 facets.
  • the corresponding facets have facing surfaces that are flat and parallel.
  • the means 3 of protection for the rear portion 23 of the stone 2 takes on the shape of this rear portion 23 of the stone 2 .
  • the means 3 for protecting the rear portion 23 of the stone 2 has a shape adjusted (preferably perfectly adjusted) to that of the rear portion 23 of the stone 2 .
  • the means 3 for protecting the rear portion 23 of the stone 2 has a wall 31 with a thickness of between 0.001 mm (1 micron) and 1 mm (1000 microns), preferably between 0.005 and 0.1 mm (5 to 100 microns), specifically, around 0.01 mm (10 microns).
  • this means 3 for protecting the rear portion 23 of the stone 2 is made from, at least in part, a synthetic, natural and/or polymer material.
  • a preferred form of embodiment consists of this means 3 being made of a synthetic polymer, in particular, polyester, polycarbonate, PVC, PET or other.
  • this means 3 for protecting the rear portion 23 of the stone 2 can be transparent (preferred form of embodiment), translucent, reflective, opaque and/or coloured (including black).
  • the means 3 for protecting the rear portion 23 of the stone 2 equips this rear portion 23 of the stone 2 without this means of protection 3 being adhered to this rear portion 23 of the stone 2 .
  • the means 3 for protecting the rear portion 23 of the stone 2 may be in contact with (more specifically, its surface may be mounted against) this rear portion 23 of the stone 2 .
  • this means 3 for protecting the rear portion 23 of the stone 2 may be positioned some distance from the rear portion 23 of the stone 2 .
  • the ornamental device 1 has a defined inner volume 4 between the rear portion 23 of the stone 2 and the means 3 for protecting this rear portion 23 of the stone 2 .
  • this inner volume 4 is defined between the facing surfaces, on the one hand, the rear portion 23 of the stone 2 and, on the other hand, the means 3 for protecting this rear portion 23 of the stone 2 .
  • this inner volume 4 is a result, at least in part, of the fact that the means 3 for protecting the rear portion 23 of the stone 2 fits to this rear portion 23 of the stone 2 without adhering to it.
  • the inner volume 4 has a shallow depth (corresponding to the distance between the rear portion 23 of the stone 2 and the means 3 for protecting this rear portion 23 of the stone 2 ) which may be between 0.001 mm (1 micron) and 1 mm (1000 microns), preferably between 0.005 and 0.05 mm (5 to 50 microns), specifically, approximately 0.01 mm (10 microns).
  • the means 3 of protection for the rear portion 23 of the stone 2 takes on the shape of this rear portion 23 of the stone 2 .
  • the inner volume 4 is in the shape of a blade extending either between the flat face (constituting the rear portion 23 of the stone 2 ) and the flat plate (constituting the means 3 for protecting the rear portion 23 of the stone 2 ) or between the pavilion facets 24 (constituting the rear portion 23 of the stone 2 ) and those of the cap 30 (constituting the means 3 for protecting the rear portion 23 of the stone 2 ).
  • this inner volume 4 either there is a vacuum or it contains a gas or gas mixture especially chosen to provide good reflection of the light inside of the stone 2 , this at the interface between the pavilion 24 and the inner volume 4 .
  • this inner volume contains a gas mixture consisting of air that can provide the best reflection possible.
  • the ornamental device 1 comprises means 5 for preventing the ingress of a body (solid, liquid or gas) between the rear portion 23 of the stone 2 and the means 3 for protecting this rear portion 23 of the stone 2 (more specifically, within the inner volume 4 ) and/or to prevent the egress of such a body (especially gas or, more specifically, the gas mixture mentioned above) from the defined inner volume 4 between the rear portion 23 of the stone 2 and the means 3 for protecting this rear portion 23 of the stone 2 .
  • a body solid, liquid or gas
  • These means 5 for preventing the ingress and/or egress of a body consist of at least one sealing gasket 50 extending along the entire perimeter of the means 3 for protecting the rear portion 23 of the stone 2 .
  • This sealing gasket 50 also extends, as appropriate, along the entire meter of the girdle 25 , along the entire perimeter of the rear portion 23 (more specifically of the pavilion 24 ) of the stone 2 or even along the entire rim that includes this rear portion 23 (more specifically, the flat face) of the stone 2 .
  • such a sealing gasket 50 may be interposed between the means 3 for protecting the rear portion 23 of this stone 2 and the stone 2 , more specifically, the girdle 25 or (and preferably) the rear portion 23 (specifically the flat surface or the pavilion 24 ) of this stone 2 .
  • this sealing gasket 50 is placed between, on the one hand, an inner edge 32 that includes the means 3 for protecting the rear portion 23 of the stone 2 , this near its free end 33 , and, on the other hand and, as appropriate, the girdle 25 or (and preferably) the rear portion 23 of the stone 2 , in particular, the flat face or the pavilion 24 ( FIG. 3 ).
  • this sealing gasket 50 may be positioned straddling the means 3 for protecting the rear portion 23 of the stone 2 (more specifically, over the free end 33 and/or an outer rim 34 that includes this means of protection 3 near its free end 33 ) and the stone 2 , as appropriate, the girdle 25 and the rear portion 23 of the stone 2 .
  • such a sealing gasket 50 is solid and is selected so as not to alter and/or flow between the stone 2 and 3 means for protecting the rear portion 23 of the stone 2 (more specifically, within the internal volume 4 ) during implementation and/or as a result of aging or temperature.
  • Such a seal 50 is also deformable to closely fit the contours of the means 3 for protecting the rear portion 23 of the stone 2 and the stone 2 , more specifically, the contours of the pavilion 24 or the girdle 25 .
  • a preferred form of embodiment consists of a sealing gasket 50 formed by an adhesive and/or sealant, in particular, silicone.
  • the ornamental device 1 has means for securing, on the stone 2 , the means 3 for protecting the rear portion 23 of this stone 2 .
  • such means for securing, on the stone 2 , the means 3 for protecting the rear portion 23 of this stone 2 consists of the means 5 to prevent the ingress and/or egress of a body, more specifically by a sealing gasket 50 as described above.
  • the means 3 of protection may comprise at least one spot of adhesive (preferably a stripe of adhesive) placed between the means of protection 3 (more specifically, between the inner edge 32 and/or the edging of the free end 33 of this means 3 ) and 2 stone (in particular, the flat face, the pavilion 24 or the girdle 23 of this stone 2 ).
  • adhesive may be formed by a polymerisable and/or cross-linkable chemical compound, in particular, under the effect of radiation (laser, UV or other), and which, by polymerisation and/or cross-linking, will ensure the bonding of the means 3 for protecting the stone 2 .
  • the means for securing the means 3 for protecting the rear portion 23 of this stone 2 can consist of a portion of the wall 31 of this means of protection 3 (more specifically, a portion of the edge of the free end 33 of the wall 31 of this means 3 ) that, as a result of cutting this means of protection 3 , will melt and adhere to the stone 2 .
  • this securing means consists of a melted portion of the wall 31 of this means 3 for protecting the rear portion 23 of the stone 2 .
  • stripe of adhesive and/or melted portion of the wall 31 of the means of protection 3 mentioned above may then also constitute means 5 to prevent ingress and/or egress of a body.
  • the invention also concerns means 3 for protecting the rear portion 23 of a stone 2 .
  • This means 3 of protection is intended to be part of the composition of an ornamental device 1 described above.
  • Such a means of protection 3 has the features described above and may take on the shape of a flat plate or a cap 30 .
  • This invention also concerns a manufacturing process for an ornamental device 1 with at least one polished or cut stone 2 that has at least one rear portion 23 such as described above (flat face or pavilion 24 ).
  • This manufacturing process consists of:
  • this process consists of fitting the rear portion 23 of the stone 2 with means 3 for at least partially protecting this rear portion 23 of the stone 2 .
  • the rear portion 23 of a stone 2 is fitted with means 3 for at least partially protecting this rear portion 23 of the stone 2 , the rear portion 23 of the stone 2 is at least partially dressed and/or covered with this means for dressing and/or covering, at least partially, this rear portion 23 of the stone 2 .
  • this means 3 for protecting this rear portion 23 of stone 2 takes on the shape of the rear portion 23 of this stone 2 (as appropriate, the shape or the flat face of the faceted pavilion 24 making up this rear portion 23 of the stone 2 ) and is preferably adjusted (specifically, perfectly adjusted) to this rear portion 23 stone 2 .
  • this plate or film is performed by creating a vacuum and/or thermoforming.
  • a material used in the composition of this means 3 for protecting this rear portion 23 of the stone 2 is sprayed directly onto the stone 2 (at least on this rear portion 23 of this stone 2 ).
  • Another form of embodiment consists of, when the rear portion 23 of the stone 2 is fitted with means 3 for protecting this rear portion 23 , the stone 2 being dipped (at least on the rear portion 23 of this stone 2 ) in a bath formed at least in part by a material used in the composition of this means 3 for protecting this rear portion 23 of the stone 2 .
  • a layer of a material used in the composition of the means 3 for protecting this rear portion 23 of the stone 2 and intended to form a flat plate or a cap 30 is deposited on the 5 stone 2 , for example after drying and/or curing.
  • the layer and/or the plate (to be shaped) and/or the film (to be shaped) mentioned above have a thickness corresponding to the thickness (mentioned above) of the wall 31 of the means of protection 3 , namely, a thickness of between 0.001 mm (1 micron) and 1 mm (1000 microns).
  • this layer and/or plate and/or film are formed, at least in part, by a natural, synthetic, and/or polymer material, as described above.
  • the surface of the stone 2 (at least the rear portion 23 of this stone 2 ) can be equipped with a layer of a material preventing adhesion on the stone 2 , as appropriate, of the plate, film or material (sprayed onto the stone 2 or in which the stone 2 is dipped) used in the composition of this means of protection 3 .
  • a form of embodiment advantageously makes it possible to avoid adhesion on stone 2 , of the means 3 for protecting the rear portion 23 of a stone 2 and, thus, to define the inner volume 4 as mentioned above.
  • Another feature is that when the stone 2 is equipped with means 3 for protecting the rear portion 23 of this stone 2 , the operation is completed by adjusting the dimensions of this means of protection 3 to the dimensions of the rear portion 23 (flat face or pavilion 24 ) of the stone 2 by cutting the layer (sprayed or deposited by dipping), film (shaped) or plate (shaped) equipping the stone 2 .
  • such cutting could be carried out mechanically (e.g. using a blade), or thermally (in particular, by laser).
  • the manufacturing process consists of equipping the device 1 with means 5 to prevent the ingress and/or egress of a body.
  • a sealing gasket 50 is interposed between the stone 2 and the means 3 for protecting the rear portion of the stone 2 , or such a sealing gasket 50 is placed straddling the stone 2 and the means 3 for protecting the rear portion 23 of the stone 2 , as described above.
  • the process also consists of securing, on the stone 2 , the means 3 for protecting the rear portion 23 of the stone 2 .
  • such attachment is ensured, either by interposing a sealing gasket 50 (as described above) between the stone 2 and the means 3 for protecting the rear portion 23 of the stone 2 , or placing such a sealing gasket 50 straddling the stone 2 and the means 3 for protecting the rear portion 23 of the stone 2 .
  • Another form of embodiment consists of securing it using at least one dot of adhesive (or even a line of adhesive) and interposing at least one such dot of adhesive (or even a line of adhesive) between the stone 2 and the means 3 for protecting the rear portion 23 of the stone 2 , as mentioned above.
  • this process can, in particular, consist of interposing an adhesive made of a polymerisable and/or cross-linkable chemical compound, in particular, under the effect of radiation (laser, UV or other), and then by polymerization and/or cross-linking of this chemical compound under the effect of such radiation, to ensure adhesion of the means of protection 3 to the stone 2 .
  • Such attachment can, again, be achieved by melting a part of the means 3 for protecting the rear portion 23 of the stone 2 , which will adhere to the stone 2 , as described above.
  • this invention also concerns an ornamental device 1 obtained by implementing the manufacturing process described above.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Adornments (AREA)
  • Finishing Walls (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
US14/374,899 2012-02-06 2013-02-05 Ornamental device comprising a stone Abandoned US20150007610A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1251088A FR2986404B1 (fr) 2012-02-06 2012-02-06 Dispositif d'ornementation comportant au moins une pierre
FR12.51088 2012-02-06
PCT/IB2013/050963 WO2013118055A2 (fr) 2012-02-06 2013-02-05 Dispositif d'ornementation comportant au moins une pierre

Publications (1)

Publication Number Publication Date
US20150007610A1 true US20150007610A1 (en) 2015-01-08

Family

ID=48366317

Family Applications (1)

Application Number Title Priority Date Filing Date
US14/374,899 Abandoned US20150007610A1 (en) 2012-02-06 2013-02-05 Ornamental device comprising a stone

Country Status (6)

Country Link
US (1) US20150007610A1 (fr)
EP (1) EP2840926A2 (fr)
CN (1) CN104080363B (fr)
BR (1) BR112014019757A2 (fr)
FR (1) FR2986404B1 (fr)
WO (1) WO2013118055A2 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150075217A1 (en) * 2013-09-16 2015-03-19 John William Disinger Light emitting jewlery
US20180042345A1 (en) * 2014-12-02 2018-02-15 Cartier International Ag Jewellery stone, in particular facetted diamond and method for mounting same on a mount
US11103035B2 (en) 2016-02-17 2021-08-31 Ng Developments, Llc Light-emitting jewelry
US11191328B2 (en) 2017-08-16 2021-12-07 Ng Developments, Llc Light-emitting jewelry
US20250185768A1 (en) * 2022-03-08 2025-06-12 Ankit Hitesh Mehta Method of enhancing brilliance, fire and scintillation of gemstones and gemstones made by the method

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US8707733B2 (en) * 2010-06-09 2014-04-29 Jonathan WEINGARTEN Cut gemstone providing a specific optical pattern
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US223237A (en) * 1880-01-06 Feancis ed meyeb
US229328A (en) * 1880-06-29 Fbanois ed meyee
US484934A (en) * 1892-10-25 John jacobson
US573139A (en) * 1896-12-15 Island
US1131593A (en) * 1914-05-05 1915-03-09 Ulla O Bashor Gem-setting.
US1134497A (en) * 1914-08-28 1915-04-06 John A Abel Jewel-cluster setting.
US4353765A (en) * 1978-12-21 1982-10-12 D. Swarovski & Co. Process for making single ornament stones coated with heat-activated adhesive
US6000240A (en) * 1997-06-17 1999-12-14 Noda; Satoshi Jewels for live or artificial tooth or teeth
US20020078708A1 (en) * 2000-05-31 2002-06-27 Butler Jerome D. Adjustable jewelry bezel setting
US20040083759A1 (en) * 2002-11-04 2004-05-06 Starcke Steven F. Coatings for gemstones and other decorative objects
US20050044890A1 (en) * 2003-08-25 2005-03-03 Lodholz Ronald William Gemstone mount assemblies, jewelry pieces and methods for forming the same
US20070044510A1 (en) * 2005-08-30 2007-03-01 Kosam Co., Ltd. Decoration stones
US20100068503A1 (en) * 2008-07-18 2010-03-18 Neogi Suneeta S Method for producing nanocrystalline diamond coatings on gemstones and other substrates
US20140075991A1 (en) * 2012-09-19 2014-03-20 Xinxin He Multi-color gemstone coating technology
US20140075990A1 (en) * 2012-09-20 2014-03-20 Michiel BOTHA Shape Memory Alloy Mounting Collet With Grooved Gemstone
US20150052946A1 (en) * 2013-08-26 2015-02-26 II Thomas William Reid Decorative jewelry and methods of making same
US20150075217A1 (en) * 2013-09-16 2015-03-19 John William Disinger Light emitting jewlery

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150075217A1 (en) * 2013-09-16 2015-03-19 John William Disinger Light emitting jewlery
US9462859B2 (en) * 2013-09-16 2016-10-11 John William Disinger Light emitting jewelry
US10849394B2 (en) 2013-09-16 2020-12-01 Ng Developments, Llc Light-emitting jewelry
US20180042345A1 (en) * 2014-12-02 2018-02-15 Cartier International Ag Jewellery stone, in particular facetted diamond and method for mounting same on a mount
US11103035B2 (en) 2016-02-17 2021-08-31 Ng Developments, Llc Light-emitting jewelry
US11191328B2 (en) 2017-08-16 2021-12-07 Ng Developments, Llc Light-emitting jewelry
US20250185768A1 (en) * 2022-03-08 2025-06-12 Ankit Hitesh Mehta Method of enhancing brilliance, fire and scintillation of gemstones and gemstones made by the method

Also Published As

Publication number Publication date
BR112014019757A2 (pt) 2020-02-27
EP2840926A2 (fr) 2015-03-04
FR2986404B1 (fr) 2014-10-03
CN104080363B (zh) 2017-03-01
CN104080363A (zh) 2014-10-01
BR112014019757A8 (pt) 2017-07-11
WO2013118055A3 (fr) 2013-11-21
FR2986404A1 (fr) 2013-08-09
WO2013118055A2 (fr) 2013-08-15

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