DE291212C - - Google Patents
Info
- Publication number
- DE291212C DE291212C DENDAT291212D DE291212DA DE291212C DE 291212 C DE291212 C DE 291212C DE NDAT291212 D DENDAT291212 D DE NDAT291212D DE 291212D A DE291212D A DE 291212DA DE 291212 C DE291212 C DE 291212C
- Authority
- DE
- Germany
- Prior art keywords
- die
- punches
- die part
- pressure
- pressing
- 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
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 230000036633 rest Effects 0.000 description 2
- 206010064291 Maladministrations Diseases 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K7/00—Making railway appurtenances; Making vehicle parts
- B21K7/12—Making railway appurtenances; Making vehicle parts parts for locomotives or vehicles, e.g. frames, underframes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/04—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D207/08—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon radicals, substituted by hetero atoms, attached to ring carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE291212C true DE291212C (id) |
Family
ID=546108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT291212D Active DE291212C (id) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE291212C (id) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1218847B (de) * | 1963-02-19 | 1966-06-08 | Hammerwerke Haspe Gebrueder Ke | Verfahren zur Herstellung von geschmiedeten Federbunden mit Zapfen und Ausnehmungen mit Fuehrungsnut und kalottenartiger Aussparung fuer Blattfedern |
| US6321581B1 (en) * | 1996-04-13 | 2001-11-27 | Audi Ag | Process for increasing the wall thickness in hollow sections |
-
0
- DE DENDAT291212D patent/DE291212C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1218847B (de) * | 1963-02-19 | 1966-06-08 | Hammerwerke Haspe Gebrueder Ke | Verfahren zur Herstellung von geschmiedeten Federbunden mit Zapfen und Ausnehmungen mit Fuehrungsnut und kalottenartiger Aussparung fuer Blattfedern |
| US6321581B1 (en) * | 1996-04-13 | 2001-11-27 | Audi Ag | Process for increasing the wall thickness in hollow sections |
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