DE69820295D1 - MARK DIAMONDS OR GEMSTONES BY SEVERAL GROOVES - Google Patents

MARK DIAMONDS OR GEMSTONES BY SEVERAL GROOVES

Info

Publication number
DE69820295D1
DE69820295D1 DE69820295T DE69820295T DE69820295D1 DE 69820295 D1 DE69820295 D1 DE 69820295D1 DE 69820295 T DE69820295 T DE 69820295T DE 69820295 T DE69820295 T DE 69820295T DE 69820295 D1 DE69820295 D1 DE 69820295D1
Authority
DE
Germany
Prior art keywords
gemstones
diamonds
mark
several grooves
grooves
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 - Lifetime
Application number
DE69820295T
Other languages
German (de)
Other versions
DE69820295T2 (en
Inventor
Gordon Smith
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.)
De Beers Centenary AG
Original Assignee
Gersan Ets
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 Gersan Ets filed Critical Gersan Ets
Publication of DE69820295D1 publication Critical patent/DE69820295D1/en
Application granted granted Critical
Publication of DE69820295T2 publication Critical patent/DE69820295T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B7/00—Machines, apparatus or hand tools for branding, e.g. using radiant energy such as laser beams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B3/00—Artist's machines or apparatus equipped with tools or work holders moving or able to be controlled substantially two- dimensionally for carving, engraving, or guilloching shallow ornamenting or markings
    • B44B3/04—Artist's machines or apparatus equipped with tools or work holders moving or able to be controlled substantially two- dimensionally for carving, engraving, or guilloching shallow ornamenting or markings wherein non-plane surfaces are worked
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B2700/00—Machines, apparatus, tools or accessories for artistic work
    • B44B2700/08—Machines, apparatus or hand tools for branding
DE69820295T 1997-12-24 1998-12-23 MARK DIAMONDS OR GEMSTONES BY SEVERAL GROOVES Expired - Lifetime DE69820295T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9727364.3A GB9727364D0 (en) 1997-12-24 1997-12-24 Watermark
PCT/GB1998/003889 WO1999033671A1 (en) 1997-12-24 1998-12-23 Diamond or gemstone marking by plurality of grooves

Publications (2)

Publication Number Publication Date
DE69820295D1 true DE69820295D1 (en) 2004-01-15
DE69820295T2 DE69820295T2 (en) 2004-10-21

Family

ID=10824244

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69820295T Expired - Lifetime DE69820295T2 (en) 1997-12-24 1998-12-23 MARK DIAMONDS OR GEMSTONES BY SEVERAL GROOVES

Country Status (15)

Country Link
EP (1) EP1042132B1 (en)
JP (2) JP4497720B2 (en)
KR (1) KR100501089B1 (en)
CN (1) CN1146506C (en)
AU (1) AU746557B2 (en)
CA (1) CA2316957C (en)
DE (1) DE69820295T2 (en)
ES (1) ES2212385T3 (en)
GB (2) GB9727364D0 (en)
HK (1) HK1020032A1 (en)
IL (1) IL136967A0 (en)
RU (1) RU2215659C2 (en)
TW (1) TW458836B (en)
WO (1) WO1999033671A1 (en)
ZA (1) ZA9811838B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2357737A (en) * 1999-12-27 2001-07-04 Yasuhira Mori Digitally marking a gemstone using a laser
EP1391841A4 (en) * 2001-04-26 2004-07-28 Valinmark Inc Method for producing and visualising an optically invisible mark
EP1953273A3 (en) * 2003-12-12 2011-10-12 Element Six Limited Method of incorporating a mark in CVD diamond
EP2289361A1 (en) 2005-12-06 2011-03-02 California Institute of Technology Enhancing the optical characteristics of a gemstone
US8069688B2 (en) 2006-12-06 2011-12-06 California Institute Of Technology Gemstones and methods for controlling the appearance thereof
RU2426487C2 (en) * 2009-05-08 2011-08-20 Юрий Константинович Низиенко Identification mark to mark valuable items and valuable item with its application
RU2427041C2 (en) * 2009-05-08 2011-08-20 Юрий Константинович Низиенко Method of making identification mark for marking valuable articles and valuable article with said mark
RU2427908C1 (en) 2010-03-29 2011-08-27 Юрий Константинович Низиенко Method to detect visually invisible identification mark on surface of valuable item, method of its positioning in process of detection and detector for process realisation
PL2566653T3 (en) 2011-07-27 2014-05-30 Alexander Potemkin Method for applying a marking onto the surface of a diamond or brilliant and for verifying its authenticity
US20130264391A1 (en) * 2012-04-04 2013-10-10 Miriam MERENFELD Reflective surface having a computer readable code
CA2912955C (en) * 2013-05-30 2019-12-31 Goldway Technology Limited Method of marking material and system therefore, and material marked according to same method
AU2014334373B2 (en) * 2013-10-11 2019-03-14 Chow Tai Fook Jewellery Company Limited Method of providing markings to precious stones including gemstones and diamonds, and markings and marked precious stones marked according to such a method
HK1198858A2 (en) 2014-04-16 2015-06-12 Master Dynamic Ltd Method of marking a solid state material, and solid state materials marked according to such a method
CH713538B1 (en) * 2017-03-02 2020-12-30 Guebelin Gem Lab Ltd Procedure for making a gemstone traceable.
JP2021516140A (en) * 2018-02-23 2021-07-01 マスター ダイナミック リミテッド Methods for marking solid materials, markings formed from such methods, and solid materials marked according to such methods.
SG10201805438TA (en) * 2018-06-25 2020-01-30 Iia Tech Pte Ltd A diamond having nanostructures on one of its surface to generate structural colours and a method of producing thereof
EP3712717A1 (en) 2019-03-19 2020-09-23 Comadur S.A. Method for marking a sapphire watchglass
RU2720100C1 (en) * 2019-03-26 2020-04-24 Акционерная Компания "АЛРОСА" (публичное акционерное общество) (АК "АЛРОСА" (ПАО)) Method of creating and detecting optically permeable image inside diamond and detection system (embodiments)
CN111983804A (en) * 2020-08-27 2020-11-24 蔡汉荣 Metal surface and method for forming reflective projection imaging by utilizing metal surface processing

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB718651A (en) * 1952-06-23 1954-11-17 Ici Ltd Improvements in or relating to optical goniometers
US4200506A (en) * 1977-11-08 1980-04-29 Dreschhoff Gisela A M Process for providing identification markings for gemstones
JPS56108712U (en) * 1980-01-24 1981-08-24
EP0064780A1 (en) * 1981-05-07 1982-11-17 Maurice Hakoune Process for treating a gem, and gem so treated
US4467172A (en) * 1983-01-03 1984-08-21 Jerry Ehrenwald Method and apparatus for laser engraving diamonds with permanent identification markings
US4639301B2 (en) * 1985-04-24 1999-05-04 Micrion Corp Focused ion beam processing
DE3802535A1 (en) * 1987-05-21 1989-02-23 Sattler Hans Eberhard DEVICE FOR CONSIDERING, IN PARTICULAR, RAW GEMS IN AN IMMERSION LIQUID
JP2867694B2 (en) * 1990-11-27 1999-03-08 住友電気工業株式会社 Polycrystalline diamond cutting tool and its manufacturing method
US5178645A (en) * 1990-10-08 1993-01-12 Sumitomo Electric Industries, Ltd. Cutting tool of polycrystalline diamond and method of manufacturing the same
JPH0594615A (en) * 1991-09-30 1993-04-16 Toppan Printing Co Ltd Information recording medium
GB2275788B (en) * 1993-03-05 1996-07-31 Gersan Ets Distinguishing natural from synthetic diamond
JPH07108007A (en) * 1993-10-13 1995-04-25 Daiwa Kako Kk Ornament
GB9514558D0 (en) * 1995-07-17 1995-09-13 Gersan Ets Marking diamond
US5932119A (en) * 1996-01-05 1999-08-03 Lazare Kaplan International, Inc. Laser marking system
JPH10244382A (en) * 1997-03-04 1998-09-14 Mitsubishi Chem Corp Texture device and its method
IL124592A (en) * 1997-05-23 2002-07-25 Gersan Ets Method of marking a gemstone or diamond

Also Published As

Publication number Publication date
AU1774399A (en) 1999-07-19
CN1146506C (en) 2004-04-21
AU746557B2 (en) 2002-05-02
KR20010040311A (en) 2001-05-15
CA2316957C (en) 2004-04-27
JP2001526996A (en) 2001-12-25
EP1042132A1 (en) 2000-10-11
GB2332651A (en) 1999-06-30
JP2009285733A (en) 2009-12-10
JP4497720B2 (en) 2010-07-07
HK1020032A1 (en) 2000-03-10
ES2212385T3 (en) 2004-07-16
EP1042132B1 (en) 2003-12-03
TW458836B (en) 2001-10-11
WO1999033671A1 (en) 1999-07-08
ZA9811838B (en) 2000-06-23
CA2316957A1 (en) 1999-07-08
RU2215659C2 (en) 2003-11-10
GB9828393D0 (en) 1999-02-17
CN1284916A (en) 2001-02-21
IL136967A0 (en) 2001-06-14
GB2332651B (en) 2001-11-07
KR100501089B1 (en) 2005-07-18
GB9727364D0 (en) 1998-02-25
DE69820295T2 (en) 2004-10-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DE BEERS CENTENARY AG, LUCERN, CH