BE334507A - - Google Patents
Info
- Publication number
- BE334507A BE334507A BE334507DA BE334507A BE 334507 A BE334507 A BE 334507A BE 334507D A BE334507D A BE 334507DA BE 334507 A BE334507 A BE 334507A
- Authority
- BE
- Belgium
- Prior art keywords
- forming
- shells
- mechanical
- precious
- spring
- Prior art date
Links
- 239000010437 gem Substances 0.000 description 14
- 229910001751 gemstone Inorganic materials 0.000 description 8
- 239000004575 stone Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 1
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
- B24B9/161—Dops, dop holders
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Adornments (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE334507A true BE334507A (instruction) |
Family
ID=13083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE334507D BE334507A (instruction) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE334507A (instruction) |
-
0
- BE BE334507D patent/BE334507A/fr unknown
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