DE142608C - - Google Patents
Info
- Publication number
- DE142608C DE142608C DENDAT142608D DE142608DA DE142608C DE 142608 C DE142608 C DE 142608C DE NDAT142608 D DENDAT142608 D DE NDAT142608D DE 142608D A DE142608D A DE 142608DA DE 142608 C DE142608 C DE 142608C
- Authority
- DE
- Germany
- Prior art keywords
- nibs
- grinding
- lens
- semi
- steel
- 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.)
- Active
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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/16—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding sharp-pointed workpieces, e.g. needles, pens, fish hooks, tweezers or record player styli
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L23/00—Sharpeners for pencils or leads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE142608C true DE142608C (OSRAM) |
Family
ID=410155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT142608D Active DE142608C (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE142608C (OSRAM) |
-
0
- DE DENDAT142608D patent/DE142608C/de active Active
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