LU68193A1 - - Google Patents
Info
- Publication number
- LU68193A1 LU68193A1 LU68193A LU68193DA LU68193A1 LU 68193 A1 LU68193 A1 LU 68193A1 LU 68193 A LU68193 A LU 68193A LU 68193D A LU68193D A LU 68193DA LU 68193 A1 LU68193 A1 LU 68193A1
- Authority
- LU
- Luxembourg
Links
Classifications
- 
        - B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/01—Bending tubes using mandrels or the like the mandrel being flexible and engaging the entire tube length
 
- 
        - B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/15—Bending tubes using mandrels or the like using filling material of indefinite shape, e.g. sand, plastic material
 
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| IT52811/72A IT965396B (it) | 1972-09-18 | 1972-09-18 | Sistema e dispositivo per mante mere in alterata la sezione tra sversale di corpi tubolari du rante una operazione di incurva mento a freddo | 
Publications (1)
| Publication Number | Publication Date | 
|---|---|
| LU68193A1 true LU68193A1 (cs) | 1973-10-16 | 
Family
ID=11277645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| LU68193A LU68193A1 (cs) | 1972-09-18 | 1973-08-09 | 
Country Status (14)
| Country | Link | 
|---|---|
| US (1) | US3859839A (cs) | 
| JP (1) | JPS4970863A (cs) | 
| AR (1) | AR197995A1 (cs) | 
| AT (1) | AT327640B (cs) | 
| AU (1) | AU6014373A (cs) | 
| BE (1) | BE803178A (cs) | 
| CH (1) | CH570213A5 (cs) | 
| DE (1) | DE2346103A1 (cs) | 
| ES (1) | ES194925Y (cs) | 
| FR (1) | FR2200065B1 (cs) | 
| IT (1) | IT965396B (cs) | 
| LU (1) | LU68193A1 (cs) | 
| NL (1) | NL7312378A (cs) | 
| ZA (1) | ZA734924B (cs) | 
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| EP0668114A1 (en) * | 1994-02-22 | 1995-08-23 | MAGNETI MARELLI CLIMATIZZAZIONE S.r.l. | A tool for making U-shaped bends in heat-exchanger tubes having radial fins projecting from the internal walls of the tubes | 
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| JP4031827B2 (ja) * | 2002-10-10 | 2008-01-09 | 三桜工業株式会社 | 二重管の曲げ方法 | 
| WO2010105341A1 (en) | 2009-03-19 | 2010-09-23 | Magna International Inc. | Method of producing tailored tubes | 
| DE102014107389A1 (de) * | 2014-05-26 | 2015-11-26 | Viega Gmbh & Co. Kg | Innenbiegewerkzeug für Rohre | 
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US179130A (en) * | 1876-06-27 | Improvement in pipe-bending mandrels | ||
| US425395A (en) * | 1890-04-08 | Pipe-bending core | ||
| US1654697A (en) * | 1925-10-17 | 1928-01-03 | Adolph Mueller | Pipe-bending mandrel | 
| US2729265A (en) * | 1951-12-20 | 1956-01-03 | Boeing Co | Articulated metal forming tool | 
| DE955018C (de) * | 1954-02-26 | 1956-12-27 | Ludwig Lang | Biegsamer Dorn zum Biegen von Rohren | 
| GB837462A (en) * | 1957-12-02 | 1960-06-15 | Gen Electric Co Ltd | Improvements in or relating to waveguides and methods of bending waveguides | 
| GB845241A (en) * | 1957-12-02 | 1960-08-17 | Gen Electric Co Ltd | Improvements in or relating to waveguides and methods of bending waveguides | 
| US3279237A (en) * | 1963-05-20 | 1966-10-18 | Mueller Brass Co | Mandrel for bending tubing | 
| US3580044A (en) * | 1969-03-24 | 1971-05-25 | Edwin A De Voss | Tube bending mandrel | 
- 
        1972
        - 1972-09-18 IT IT52811/72A patent/IT965396B/it active
 
- 
        1973
        - 1973-07-09 US US377732A patent/US3859839A/en not_active Expired - Lifetime
- 1973-07-13 AR AR249085A patent/AR197995A1/es active
- 1973-07-19 ZA ZA734924A patent/ZA734924B/xx unknown
- 1973-08-02 FR FR7328324A patent/FR2200065B1/fr not_active Expired
- 1973-08-03 BE BE134199A patent/BE803178A/xx unknown
- 1973-08-09 LU LU68193A patent/LU68193A1/xx unknown
- 1973-08-17 AT AT720173A patent/AT327640B/de not_active IP Right Cessation
- 1973-09-07 NL NL7312378A patent/NL7312378A/xx unknown
- 1973-09-10 AU AU60143/73A patent/AU6014373A/en not_active Expired
- 1973-09-12 ES ES1973194925U patent/ES194925Y/es not_active Expired
- 1973-09-13 DE DE19732346103 patent/DE2346103A1/de active Pending
- 1973-09-17 CH CH1329573A patent/CH570213A5/xx not_active IP Right Cessation
- 1973-09-18 JP JP48105390A patent/JPS4970863A/ja active Pending
 
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| EP0668114A1 (en) * | 1994-02-22 | 1995-08-23 | MAGNETI MARELLI CLIMATIZZAZIONE S.r.l. | A tool for making U-shaped bends in heat-exchanger tubes having radial fins projecting from the internal walls of the tubes | 
Also Published As
| Publication number | Publication date | 
|---|---|
| ATA720173A (de) | 1975-04-15 | 
| US3859839A (en) | 1975-01-14 | 
| CH570213A5 (cs) | 1975-12-15 | 
| DE2346103A1 (de) | 1974-03-28 | 
| AT327640B (de) | 1976-02-10 | 
| FR2200065A1 (cs) | 1974-04-19 | 
| IT965396B (it) | 1974-01-31 | 
| AU6014373A (en) | 1975-03-13 | 
| ES194925U (es) | 1975-01-01 | 
| NL7312378A (cs) | 1974-03-20 | 
| FR2200065B1 (cs) | 1978-01-27 | 
| ES194925Y (es) | 1975-06-01 | 
| BE803178A (fr) | 1973-12-03 | 
| AR197995A1 (es) | 1974-05-24 | 
| ZA734924B (en) | 1974-06-26 | 
| JPS4970863A (cs) | 1974-07-09 |