FR2126435B1 - - Google Patents
Info
- Publication number
- FR2126435B1 FR2126435B1 FR7206540A FR7206540A FR2126435B1 FR 2126435 B1 FR2126435 B1 FR 2126435B1 FR 7206540 A FR7206540 A FR 7206540A FR 7206540 A FR7206540 A FR 7206540A FR 2126435 B1 FR2126435 B1 FR 2126435B1
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/14—Making tubes from double flat material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPA413171 | 1971-02-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2126435A1 FR2126435A1 (fr) | 1972-10-06 |
| FR2126435B1 true FR2126435B1 (fr) | 1974-12-13 |
Family
ID=3764741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7206540A Expired FR2126435B1 (fr) | 1971-02-25 | 1972-02-25 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3768288A (fr) |
| CA (1) | CA978728A (fr) |
| DE (1) | DE2208677A1 (fr) |
| FR (1) | FR2126435B1 (fr) |
| GB (1) | GB1378242A (fr) |
| IT (1) | IT947866B (fr) |
| ZA (1) | ZA721261B (fr) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4567743A (en) * | 1985-03-19 | 1986-02-04 | Standard Tube Canada Inc. | Method of forming box-section frame members |
| GB8614394D0 (en) * | 1986-06-13 | 1986-07-16 | Metal Box Plc | Containers |
| US5353618A (en) * | 1989-08-24 | 1994-10-11 | Armco Steel Company, L.P. | Apparatus and method for forming a tubular frame member |
| DE4416147C2 (de) * | 1994-05-09 | 1998-04-09 | Schaefer Hydroforming Gmbh | Anwendung des Innenhochdruckumformverfahrens zum Herstellen eines gekrümmten metallischen Längshohlkörpers und eine hierfür einsetzbare Innenhochdruckumformpresse |
| US6502822B1 (en) | 1997-05-15 | 2003-01-07 | Aquaform, Inc. | Apparatus and method for creating a seal on an inner wall of a tube for hydroforming |
| US6006567A (en) * | 1997-05-15 | 1999-12-28 | Aquaform Inc | Apparatus and method for hydroforming |
| DE19832142C2 (de) * | 1998-07-17 | 2000-07-20 | Daimler Chrysler Ag | Verfahren und Vorrichtung zur Herstellung eines Hohlkörpers aus zwei Platinen |
| US7550221B2 (en) * | 2003-10-29 | 2009-06-23 | Rolls-Royce Fuel Cell Systems Limited | Gas delivery substrate |
| US6941786B1 (en) * | 2004-03-25 | 2005-09-13 | Ford Global Technologies, Llc | Component specific tube blanks for hydroforming body structure components |
| FI118328B (fi) * | 2005-02-18 | 2007-10-15 | Luvata Oy | Metalliseoksen käyttö |
| DE102006040023A1 (de) * | 2006-08-25 | 2008-03-20 | Universität Kassel | Verfahren zur Herstellung von mindestens zwei parallel zueinander verlaufenden ebenen Funktionsflächen auf einem Rohr |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE100645C (fr) * | ||||
| GB190585A (en) * | 1921-10-21 | 1922-12-28 | Charles Harold Meigh | An improved mode of manufacturing jointless hollow objects in metal |
| US2119960A (en) * | 1935-08-08 | 1938-06-07 | Griscom Russell Co | Method and apparatus for making heat exchangers |
| CH367466A (de) * | 1958-03-05 | 1963-02-28 | Aluminium Ind Ag | Verfahren zur Herstellung dünnwandiger Rohre |
| US3077661A (en) * | 1958-03-28 | 1963-02-19 | Howard A Fromson | Method of making composite seamless tubing |
| US3173196A (en) * | 1959-11-02 | 1965-03-16 | Fromson H A | Method of producing a double-walled tube with one of the tubes having integral therewith projecting fin means radially separating the tubes |
| FR1254004A (fr) * | 1960-02-17 | 1961-02-17 | Continental Can Co | Procédé de fabrication d'éléments tubulaires métalliques |
-
1972
- 1972-02-22 US US00228208A patent/US3768288A/en not_active Expired - Lifetime
- 1972-02-22 GB GB822572A patent/GB1378242A/en not_active Expired
- 1972-02-24 DE DE19722208677 patent/DE2208677A1/de active Pending
- 1972-02-24 CA CA135,654A patent/CA978728A/en not_active Expired
- 1972-02-24 IT IT20991/72A patent/IT947866B/it active
- 1972-02-25 ZA ZA721261A patent/ZA721261B/xx unknown
- 1972-02-25 FR FR7206540A patent/FR2126435B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2126435A1 (fr) | 1972-10-06 |
| CA978728A (en) | 1975-12-02 |
| GB1378242A (en) | 1974-12-27 |
| US3768288A (en) | 1973-10-30 |
| ZA721261B (en) | 1972-11-29 |
| IT947866B (it) | 1973-05-30 |
| DE2208677A1 (de) | 1972-08-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |