DE288775C - - Google Patents
Info
- Publication number
- DE288775C DE288775C DENDAT288775D DE288775DA DE288775C DE 288775 C DE288775 C DE 288775C DE NDAT288775 D DENDAT288775 D DE NDAT288775D DE 288775D A DE288775D A DE 288775DA DE 288775 C DE288775 C DE 288775C
- Authority
- DE
- Germany
- Prior art keywords
- needle
- eye
- groove
- pressed
- shaft
- 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
- 238000003825 pressing Methods 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000010959 steel Substances 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)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE288775C true DE288775C (forum.php) |
Family
ID=543868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT288775D Active DE288775C (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE288775C (forum.php) |
-
0
- DE DENDAT288775D patent/DE288775C/de active Active
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