DE299288C - - Google Patents
Info
- Publication number
- DE299288C DE299288C DENDAT299288D DE299288DA DE299288C DE 299288 C DE299288 C DE 299288C DE NDAT299288 D DENDAT299288 D DE NDAT299288D DE 299288D A DE299288D A DE 299288DA DE 299288 C DE299288 C DE 299288C
- Authority
- DE
- Germany
- Prior art keywords
- thickening
- pin
- stretching
- tip
- punched out
- 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
- 230000008719 thickening Effects 0.000 claims description 14
- 238000004080 punching Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 description 1
- 230000003313 weakening effect 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
- B21G3/00—Making pins, nails, or the like
- B21G3/005—Nails or pins for special purposes, e.g. curtain pins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
- B21G5/00—Making pins or nails with attached caps or with coated heads
- B21G5/02—Making pins or nails with attached caps or with coated heads of drawing-pins or pins of drawing-pin type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pens And Brushes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE299288C true DE299288C (cg-RX-API-DMAC10.html) |
Family
ID=553398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT299288D Active DE299288C (cg-RX-API-DMAC10.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE299288C (cg-RX-API-DMAC10.html) |
-
0
- DE DENDAT299288D patent/DE299288C/de active Active
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