EP0299692A3 - Gemstone polishing apparatus - Google Patents

Gemstone polishing apparatus Download PDF

Info

Publication number
EP0299692A3
EP0299692A3 EP88306285A EP88306285A EP0299692A3 EP 0299692 A3 EP0299692 A3 EP 0299692A3 EP 88306285 A EP88306285 A EP 88306285A EP 88306285 A EP88306285 A EP 88306285A EP 0299692 A3 EP0299692 A3 EP 0299692A3
Authority
EP
European Patent Office
Prior art keywords
polishing apparatus
gemstone polishing
gemstone
polishing
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.)
Granted
Application number
EP88306285A
Other versions
EP0299692A2 (en
EP0299692B1 (en
Inventor
Eric Joseph Blondeel
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
Publication of EP0299692A2 publication Critical patent/EP0299692A2/en
Publication of EP0299692A3 publication Critical patent/EP0299692A3/en
Application granted granted Critical
Publication of EP0299692B1 publication Critical patent/EP0299692B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/16—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of diamonds; of jewels or the like; Diamond grinders' dops; Dop holders or tongs
EP19880306285 1987-07-14 1988-07-08 Gemstone polishing apparatus Expired - Lifetime EP0299692B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8716512 1987-07-14
GB8716512A GB2206825B (en) 1987-07-14 1987-07-14 Gemstone polishing apparatus

Publications (3)

Publication Number Publication Date
EP0299692A2 EP0299692A2 (en) 1989-01-18
EP0299692A3 true EP0299692A3 (en) 1989-11-23
EP0299692B1 EP0299692B1 (en) 1992-05-13

Family

ID=10620601

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880306285 Expired - Lifetime EP0299692B1 (en) 1987-07-14 1988-07-08 Gemstone polishing apparatus

Country Status (4)

Country Link
EP (1) EP0299692B1 (en)
DE (1) DE3871002D1 (en)
GB (1) GB2206825B (en)
IE (1) IE60355B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL162502A0 (en) * 2004-06-14 2005-11-20 Romedix Ltd A method of working gemstones
IL168588A (en) * 2005-05-15 2010-06-30 Sarin Polishing Technologies L Apparatus and article for polishing gemstones
WO2009066312A1 (en) * 2007-07-17 2009-05-28 Janak Mistry A polishing mill for polishing gemstones
CN105364661A (en) * 2015-12-02 2016-03-02 无锡康伟工程陶瓷有限公司 Ceramic tube shell track chamfering device
CN107520699B (en) * 2017-07-28 2019-02-05 义乌市台荣超硬制品有限公司 A kind of continuous flat-grinding machine system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE400215A (en) *
US3130523A (en) * 1959-05-06 1964-04-28 Cie De St Gobain Apparatus and method for counter-balancing of rotating bodies
US4180946A (en) * 1975-10-02 1980-01-01 Maurice Brunet Tool holding spindle assembly particularly for a grinding machine
FR2530993A1 (en) * 1982-07-27 1984-02-03 Gehring Gmbh Maschf APPARATUS FOR BODYING WORKPIECES

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE400215A (en) *
US3130523A (en) * 1959-05-06 1964-04-28 Cie De St Gobain Apparatus and method for counter-balancing of rotating bodies
US4180946A (en) * 1975-10-02 1980-01-01 Maurice Brunet Tool holding spindle assembly particularly for a grinding machine
FR2530993A1 (en) * 1982-07-27 1984-02-03 Gehring Gmbh Maschf APPARATUS FOR BODYING WORKPIECES

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
VDI-ZEITSCHRIFT, vol. 130, no. 5, May 1988, pages 57-60, Düsseldorf, DE; H.K. TÖNSHOFF et al.: "Verstellbarer passiver Dämpfer für Schwingungen in Aussenrundschleifmaschinen" *

Also Published As

Publication number Publication date
GB2206825A (en) 1989-01-18
EP0299692A2 (en) 1989-01-18
IE882141L (en) 1989-01-14
EP0299692B1 (en) 1992-05-13
GB8716512D0 (en) 1987-08-19
DE3871002D1 (en) 1992-06-17
IE60355B1 (en) 1994-06-29
GB2206825B (en) 1991-11-06

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