NL7312378A - - Google Patents
Info
- Publication number
- NL7312378A NL7312378A NL7312378A NL7312378A NL7312378A NL 7312378 A NL7312378 A NL 7312378A NL 7312378 A NL7312378 A NL 7312378A NL 7312378 A NL7312378 A NL 7312378A NL 7312378 A NL7312378 A NL 7312378A
- Authority
- NL
- Netherlands
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 |
|---|---|
| NL7312378A true NL7312378A (en:Method) | 1974-03-20 |
Family
ID=11277645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7312378A NL7312378A (en:Method) | 1972-09-18 | 1973-09-07 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US3859839A (en:Method) |
| JP (1) | JPS4970863A (en:Method) |
| AR (1) | AR197995A1 (en:Method) |
| AT (1) | AT327640B (en:Method) |
| AU (1) | AU6014373A (en:Method) |
| BE (1) | BE803178A (en:Method) |
| CH (1) | CH570213A5 (en:Method) |
| DE (1) | DE2346103A1 (en:Method) |
| ES (1) | ES194925Y (en:Method) |
| FR (1) | FR2200065B1 (en:Method) |
| IT (1) | IT965396B (en:Method) |
| LU (1) | LU68193A1 (en:Method) |
| NL (1) | NL7312378A (en:Method) |
| ZA (1) | ZA734924B (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT232332Y1 (it) * | 1994-02-22 | 1999-12-17 | Borletti Climatizzazione | Attrezzatura per la piegatura a u di tubi per scambiatori di calore muniti di alette radiali sporgenti dalla parete interna del tubo. |
| JP4031827B2 (ja) * | 2002-10-10 | 2008-01-09 | 三桜工業株式会社 | 二重管の曲げ方法 |
| CN102355962B (zh) | 2009-03-19 | 2014-10-01 | 麦格纳国际公司 | 制造定制管的方法 |
| 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 |
|---|---|---|---|---|
| US425395A (en) * | 1890-04-08 | Pipe-bending core | ||
| US179130A (en) * | 1876-06-27 | Improvement in pipe-bending mandrels | ||
| 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
Also Published As
| Publication number | Publication date |
|---|---|
| AT327640B (de) | 1976-02-10 |
| FR2200065A1 (en:Method) | 1974-04-19 |
| AU6014373A (en) | 1975-03-13 |
| FR2200065B1 (en:Method) | 1978-01-27 |
| LU68193A1 (en:Method) | 1973-10-16 |
| JPS4970863A (en:Method) | 1974-07-09 |
| DE2346103A1 (de) | 1974-03-28 |
| AR197995A1 (es) | 1974-05-24 |
| IT965396B (it) | 1974-01-31 |
| BE803178A (fr) | 1973-12-03 |
| ATA720173A (de) | 1975-04-15 |
| US3859839A (en) | 1975-01-14 |
| ES194925U (es) | 1975-01-01 |
| ZA734924B (en) | 1974-06-26 |
| CH570213A5 (en:Method) | 1975-12-15 |
| ES194925Y (es) | 1975-06-01 |