FR2019866A1 - - Google Patents
Info
- Publication number
- FR2019866A1 FR2019866A1 FR6933953A FR6933953A FR2019866A1 FR 2019866 A1 FR2019866 A1 FR 2019866A1 FR 6933953 A FR6933953 A FR 6933953A FR 6933953 A FR6933953 A FR 6933953A FR 2019866 A1 FR2019866 A1 FR 2019866A1
- Authority
- FR
- France
- 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- Withdrawn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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C5/00—Pointing; Push-pointing
- B21C5/003—Pointing; Push-pointing of hollow material, e.g. tube
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C5/00—Pointing; Push-pointing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Treatment Of Fiber Materials (AREA)
- Forging (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US76487568A | 1968-10-03 | 1968-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2019866A1 true FR2019866A1 (cg-RX-API-DMAC7.html) | 1970-07-10 |
Family
ID=25072040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR6933953A Withdrawn FR2019866A1 (cg-RX-API-DMAC7.html) | 1968-10-03 | 1969-10-03 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3572080A (cg-RX-API-DMAC7.html) |
| BE (1) | BE739728A (cg-RX-API-DMAC7.html) |
| DE (1) | DE1949272A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2019866A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1266951A (cg-RX-API-DMAC7.html) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3845653A (en) * | 1971-03-22 | 1974-11-05 | Continental Can Co | Double stage necking |
| DE2401345A1 (de) * | 1974-01-09 | 1975-07-10 | Mannesmann Roehren Werke Ag | Zieh-streckverfahren zur herstellung langer rohre und vorrichtung zur durchfuehrung des verfahrens |
| EP0021603B1 (en) * | 1979-06-08 | 1984-02-01 | STEVENS & BULLIVANT LIMITED | Tube end forming apparatus |
| DE19634307C2 (de) * | 1996-08-24 | 1998-09-24 | Bueltmann Monika | Hydraulische Anlage zur Bildung einer Rohrziehangel |
| DE19735486C2 (de) * | 1997-08-16 | 2000-07-20 | Felss Geb | Vorrichtung und Verfahren zum Kaltverformen von Werkstücken |
| CA2342702A1 (en) * | 2001-04-04 | 2002-10-04 | Copperweld Canada Inc. | Forming method using tube blanks of variable wall thickness |
| US6735998B2 (en) | 2002-10-04 | 2004-05-18 | George A. Mitchell Company | Method of making metal ball bats |
| US6807837B1 (en) | 2003-03-26 | 2004-10-26 | Randall L. Alexoff | Method and apparatus for producing variable wall thickness tubes and hollow shafts |
| US6779375B1 (en) | 2003-03-26 | 2004-08-24 | Randall L. Alexoff | Method and apparatus for producing tubes and hollow shafts |
| US7114362B2 (en) * | 2004-03-27 | 2006-10-03 | George A. Mitchell Company | Method of making metal workpiece |
| EP2049276B1 (de) * | 2006-08-07 | 2010-01-06 | Felss GmbH | Vorrichtung und verfahren zum umformen eines werkstücks |
| CN102878355A (zh) * | 2012-10-24 | 2013-01-16 | 珠海格力电器股份有限公司 | 一种空调系统变径管路件 |
| CN106607516A (zh) * | 2015-10-26 | 2017-05-03 | 镇江中焱数控设备有限公司 | 管端成型机 |
| DE102017202723B4 (de) * | 2016-07-22 | 2024-05-08 | Sms Group Gmbh | Vorrichtung zur Vorbereitung eines Rohrendes zum Gleitziehen |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR774985A (fr) * | 1933-08-18 | 1934-12-17 | Maschb Ag Vormals Ehrhardt & S | Procédé d'étirage à refoulement pour la fabrication de tubes ou corps creux |
| US2110965A (en) * | 1934-07-02 | 1938-03-15 | Tubus A G | Reducing the diameter of hollow metal articles |
| DE730633C (de) * | 1938-10-19 | 1943-01-15 | Ernst Heinkel Flugzeugwerke G | Hydraulische Rohreinziehpresse |
| FR942599A (fr) * | 1946-01-11 | 1949-02-11 | Wellman Seaver Rolling Mill Co | Perfectionnement au procédé de fabrication des tubes métalliques |
| GB843186A (en) * | 1956-01-12 | 1960-08-04 | Appel Process Ltd | Improvements in or relating to the forging or swaging of elongated workpieces |
| US3035340A (en) * | 1958-04-25 | 1962-05-22 | Appel Process Ltd | Methods for relieving stresses in and straightening tubular workpieces |
-
1968
- 1968-10-03 US US764875A patent/US3572080A/en not_active Expired - Lifetime
-
1969
- 1969-02-28 GB GB1266951D patent/GB1266951A/en not_active Expired
- 1969-09-30 DE DE19691949272 patent/DE1949272A1/de not_active Ceased
- 1969-10-02 BE BE739728D patent/BE739728A/xx unknown
- 1969-10-03 FR FR6933953A patent/FR2019866A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB1266951A (cg-RX-API-DMAC7.html) | 1972-03-15 |
| BE739728A (cg-RX-API-DMAC7.html) | 1970-03-16 |
| DE1949272A1 (de) | 1970-06-04 |
| US3572080A (en) | 1971-03-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |