DE275931C - - Google Patents
Info
- Publication number
- DE275931C DE275931C DENDAT275931D DE275931DA DE275931C DE 275931 C DE275931 C DE 275931C DE NDAT275931 D DENDAT275931 D DE NDAT275931D DE 275931D A DE275931D A DE 275931DA DE 275931 C DE275931 C DE 275931C
- Authority
- DE
- Germany
- Prior art keywords
- embossing
- burr
- cut
- sewing needles
- head groove
- 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
- 238000004049 embossing Methods 0.000 claims description 7
- 238000009958 sewing Methods 0.000 claims description 3
- 230000002028 premature Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
- B21G1/00—Making needles used for performing operations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Milling Processes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE275931C true DE275931C (https=) |
Family
ID=532176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT275931D Active DE275931C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE275931C (https=) |
-
0
- DE DENDAT275931D patent/DE275931C/de active Active
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