JPS5013997B1 - - Google Patents
Info
- Publication number
- JPS5013997B1 JPS5013997B1 JP42081230A JP8123067A JPS5013997B1 JP S5013997 B1 JPS5013997 B1 JP S5013997B1 JP 42081230 A JP42081230 A JP 42081230A JP 8123067 A JP8123067 A JP 8123067A JP S5013997 B1 JPS5013997 B1 JP S5013997B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C17/00—Gems or the like
- A44C17/001—Faceting gems
-
- 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
- B24B9/161—Dops, dop holders
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB56979/66A GB1206937A (en) | 1966-12-20 | 1966-12-20 | Improvements relating to gem stones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5013997B1 true JPS5013997B1 (ja) | 1975-05-23 |
Family
ID=10478032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP42081230A Pending JPS5013997B1 (ja) | 1966-12-20 | 1967-12-20 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3534510A (ja) |
| JP (1) | JPS5013997B1 (ja) |
| BE (1) | BE708309A (ja) |
| ES (1) | ES349075A1 (ja) |
| FR (1) | FR1548981A (ja) |
| GB (1) | GB1206937A (ja) |
| IL (1) | IL29124A (ja) |
| NL (1) | NL151925B (ja) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2088759B (en) * | 1980-11-26 | 1985-03-06 | Gersan Ets | Gemstone polishing machine |
| US5072549A (en) * | 1986-09-22 | 1991-12-17 | Harold Johnston | Method of cutting gemstones and product |
| NZ223499A (en) * | 1988-02-11 | 1989-07-27 | Keith Snelgrove | Shaping vegetables by grinding |
| US5462474A (en) * | 1994-05-24 | 1995-10-31 | Ronald W. Swager | Method of facetting a gem |
| JP2000005993A (ja) * | 1998-06-17 | 2000-01-11 | Hisatake Shudo | ダイヤモンドのカット方法及びダイヤモンドのプロポーション |
| US6604382B2 (en) | 2000-11-07 | 2003-08-12 | Naotake Shuto | New-cut diamond shape |
| US20060026991A1 (en) * | 2004-07-20 | 2006-02-09 | Naotake Shuto | Method for cutting diamond and diamond proportion |
| 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 |
| US9226554B2 (en) | 2014-05-12 | 2016-01-05 | Yoshihiko Kodama | Circular cut diamond |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2449423A (en) * | 1943-09-01 | 1948-09-14 | Spira Josef Hillel | Bezel dop and grinding device |
| US2414598A (en) * | 1945-01-01 | 1947-01-21 | Klipper Joseph | Method of grinding facets on precious stones |
-
1966
- 1966-12-20 GB GB56979/66A patent/GB1206937A/en not_active Expired
-
1967
- 1967-12-13 IL IL29124A patent/IL29124A/xx unknown
- 1967-12-15 US US690916A patent/US3534510A/en not_active Expired - Lifetime
- 1967-12-18 NL NL676717192A patent/NL151925B/xx unknown
- 1967-12-19 ES ES349075A patent/ES349075A1/es not_active Expired
- 1967-12-20 FR FR1548981D patent/FR1548981A/fr not_active Expired
- 1967-12-20 BE BE708309D patent/BE708309A/xx not_active IP Right Cessation
- 1967-12-20 JP JP42081230A patent/JPS5013997B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL151925B (nl) | 1977-01-17 |
| NL6717192A (ja) | 1968-06-21 |
| FR1548981A (ja) | 1968-12-06 |
| BE708309A (ja) | 1968-05-02 |
| GB1206937A (en) | 1970-09-30 |
| US3534510A (en) | 1970-10-20 |
| IL29124A (en) | 1971-02-25 |
| ES349075A1 (es) | 1969-04-01 |