EP0284824A3 - Verfahren und Vorrichtung zum Kaltwalzen eines runden Werkstückes mit mehreren Durchmessern - Google Patents
Verfahren und Vorrichtung zum Kaltwalzen eines runden Werkstückes mit mehreren Durchmessern Download PDFInfo
- Publication number
- EP0284824A3 EP0284824A3 EP88103431A EP88103431A EP0284824A3 EP 0284824 A3 EP0284824 A3 EP 0284824A3 EP 88103431 A EP88103431 A EP 88103431A EP 88103431 A EP88103431 A EP 88103431A EP 0284824 A3 EP0284824 A3 EP 0284824A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- workpiece
- sizing
- round
- dies
- forming projections
- 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.)
- Withdrawn
Links
- 238000004513 sizing Methods 0.000 title abstract 7
- 238000000034 method Methods 0.000 title abstract 2
- 230000000712 assembly Effects 0.000 abstract 4
- 238000000429 assembly Methods 0.000 abstract 4
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H3/00—Making helical bodies or bodies having parts of helical shape
- B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
- B21H3/022—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling combined with rolling splines, ribs, grooves or the like, e.g. using compound dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45832583A | 1983-01-17 | 1983-01-17 | |
| US458325 | 1983-01-17 |
Related Parent Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP84300204A Division EP0114108B1 (de) | 1983-01-17 | 1984-01-13 | Verfahren zum Kaltwalzen eines runden Werkstückes mit mehreren Durchmessern |
| EP84300204.9 Division | 1984-01-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0284824A2 EP0284824A2 (de) | 1988-10-05 |
| EP0284824A3 true EP0284824A3 (de) | 1988-10-19 |
Family
ID=23820346
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP88103431A Withdrawn EP0284824A3 (de) | 1983-01-17 | 1984-01-13 | Verfahren und Vorrichtung zum Kaltwalzen eines runden Werkstückes mit mehreren Durchmessern |
| EP84300204A Expired EP0114108B1 (de) | 1983-01-17 | 1984-01-13 | Verfahren zum Kaltwalzen eines runden Werkstückes mit mehreren Durchmessern |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP84300204A Expired EP0114108B1 (de) | 1983-01-17 | 1984-01-13 | Verfahren zum Kaltwalzen eines runden Werkstückes mit mehreren Durchmessern |
Country Status (4)
| Country | Link |
|---|---|
| EP (2) | EP0284824A3 (de) |
| AT (1) | ATE39071T1 (de) |
| CA (1) | CA1228254A (de) |
| DE (1) | DE3475488D1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0166758A4 (de) * | 1983-12-21 | 1987-10-19 | Anderson Cook Inc | Herstellung von gewinden und höckern an durchmessern verschiedener grössen. |
| IT1279081B1 (it) * | 1995-11-29 | 1997-12-04 | Pi Gi Di G Parodi | Procedimento per la realizzazione di una vite speciale per cerniere di mobili e vite ottenuta con tale procedimento |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3044329A (en) * | 1958-04-11 | 1962-07-17 | Bethlehem Steel Corp | Apparatus for multi-diameter thread rolling |
| GB1049991A (en) * | 1965-03-05 | 1966-11-30 | Herbert Ltd A | Method and apparatus for rolling a screw thread and an annulus of serrations, in oneoperation, in a workpiece of circular cross-section |
| DE1602684A1 (de) * | 1967-02-07 | 1970-12-03 | Werkzeugmaschinenfabrik Bad Du | Werkzeug zum gleichzeitigen Walzen verschiedener Durchmesser mit gleichen oder unterschiedlichen Profilen,insbesondere Gewindeprofilen |
| DE3127392A1 (de) * | 1980-09-19 | 1982-04-22 | Fa. Ernst Grob, 8708 Männedorf | Vorrichtung und verfahren zum kaltwalzen von profilen durch abwaelzen auf dem umfang eines dabei rotierenden werkstueckes |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1469174A (en) * | 1916-11-25 | 1923-09-25 | John R Blakeslee | Method of making spherical articles |
| US1446447A (en) * | 1917-10-04 | 1923-02-27 | Bock Bearing Company | Method of forming rollers for roller bearings |
| US2632345A (en) * | 1946-01-16 | 1953-03-24 | Landis Machine Co | Apparatus for forming rods, bolts, or the like |
| US2825251A (en) * | 1952-07-19 | 1958-03-04 | Lee P Rader | Method of rolling metal |
| US3044332A (en) * | 1959-02-17 | 1962-07-17 | Olympic Screw & Rivet Corp | Method of making rivet pins |
| GB1124802A (en) * | 1964-09-30 | 1968-08-21 | Marcovitch Jacob | The profiling of workpieces by rolling |
| IL25450A (en) * | 1965-03-29 | 1970-07-19 | Rotary Profile Anstalt | Profiling of annular workpieces |
| DE1552190A1 (de) * | 1966-01-03 | 1971-02-18 | Rotary Profile Anstalt | Verfahren und Vorrichtung zur Herstellung von Gegenstaenden durch Rollen |
-
1984
- 1984-01-13 AT AT84300204T patent/ATE39071T1/de not_active IP Right Cessation
- 1984-01-13 EP EP88103431A patent/EP0284824A3/de not_active Withdrawn
- 1984-01-13 EP EP84300204A patent/EP0114108B1/de not_active Expired
- 1984-01-13 DE DE8484300204T patent/DE3475488D1/de not_active Expired
- 1984-01-16 CA CA000445362A patent/CA1228254A/en not_active Expired
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3044329A (en) * | 1958-04-11 | 1962-07-17 | Bethlehem Steel Corp | Apparatus for multi-diameter thread rolling |
| GB1049991A (en) * | 1965-03-05 | 1966-11-30 | Herbert Ltd A | Method and apparatus for rolling a screw thread and an annulus of serrations, in oneoperation, in a workpiece of circular cross-section |
| DE1602684A1 (de) * | 1967-02-07 | 1970-12-03 | Werkzeugmaschinenfabrik Bad Du | Werkzeug zum gleichzeitigen Walzen verschiedener Durchmesser mit gleichen oder unterschiedlichen Profilen,insbesondere Gewindeprofilen |
| DE3127392A1 (de) * | 1980-09-19 | 1982-04-22 | Fa. Ernst Grob, 8708 Männedorf | Vorrichtung und verfahren zum kaltwalzen von profilen durch abwaelzen auf dem umfang eines dabei rotierenden werkstueckes |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE39071T1 (de) | 1988-12-15 |
| CA1228254A (en) | 1987-10-20 |
| DE3475488D1 (en) | 1989-01-12 |
| EP0114108A3 (en) | 1984-10-17 |
| EP0114108B1 (de) | 1988-12-07 |
| EP0114108A2 (de) | 1984-07-25 |
| EP0284824A2 (de) | 1988-10-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
| 17P | Request for examination filed |
Effective date: 19880324 |
|
| AC | Divisional application: reference to earlier application |
Ref document number: 114108 Country of ref document: EP |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
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| AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
| 17Q | First examination report despatched |
Effective date: 19900823 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 19910103 |