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GB2052369B - Working gemstones - Google Patents

Working gemstones

Info

Publication number
GB2052369B
GB2052369B GB8018802A GB8018802A GB2052369B GB 2052369 B GB2052369 B GB 2052369B GB 8018802 A GB8018802 A GB 8018802A GB 8018802 A GB8018802 A GB 8018802A GB 2052369 B GB2052369 B GB 2052369B
Authority
GB
United Kingdom
Prior art keywords
gemstones
working
working gemstones
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
GB8018802A
Other versions
GB2052369A (en
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.)
Gersan Ets
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
Priority to GB8018802A priority Critical patent/GB2052369B/en
Publication of GB2052369A publication Critical patent/GB2052369A/en
Application granted granted Critical
Publication of GB2052369B publication Critical patent/GB2052369B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
    • B28D5/0005—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by breaking, e.g. dicing
    • B28D5/0052—Means for supporting or holding work during breaking

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Adornments (AREA)
GB8018802A 1979-06-08 1980-06-09 Working gemstones Expired GB2052369B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8018802A GB2052369B (en) 1979-06-08 1980-06-09 Working gemstones

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7919970 1979-06-08
GB8018802A GB2052369B (en) 1979-06-08 1980-06-09 Working gemstones

Publications (2)

Publication Number Publication Date
GB2052369A GB2052369A (en) 1981-01-28
GB2052369B true GB2052369B (en) 1983-02-02

Family

ID=26271795

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8018802A Expired GB2052369B (en) 1979-06-08 1980-06-09 Working gemstones

Country Status (1)

Country Link
GB (1) GB2052369B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4401876A (en) 1980-05-20 1983-08-30 Martin Cooper Working gemstones
US5932119A (en) 1996-01-05 1999-08-03 Lazare Kaplan International, Inc. Laser marking system

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8819351D0 (en) * 1988-08-15 1988-09-14 Gersan Anstalt Making elongate cut using high energy radiation
CA1325041C (en) * 1988-08-15 1993-12-07 Michael Peter Gaukroger Cutting using high energy radiation
GB8912050D0 (en) * 1989-05-25 1989-07-12 Biron Marcel A method of,and apparatus for cleaving gemstones
US5753887A (en) * 1995-05-16 1998-05-19 Engraving Technologies, Inc. Apparatus for laser engraving indicia on gemstones

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4401876A (en) 1980-05-20 1983-08-30 Martin Cooper Working gemstones
US5932119A (en) 1996-01-05 1999-08-03 Lazare Kaplan International, Inc. Laser marking system

Also Published As

Publication number Publication date
GB2052369A (en) 1981-01-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940609