ZA807510B - Formation of an arch from an elongate metal member - Google Patents
Formation of an arch from an elongate metal memberInfo
- Publication number
- ZA807510B ZA807510B ZA00807510A ZA807510A ZA807510B ZA 807510 B ZA807510 B ZA 807510B ZA 00807510 A ZA00807510 A ZA 00807510A ZA 807510 A ZA807510 A ZA 807510A ZA 807510 B ZA807510 B ZA 807510B
- Authority
- ZA
- South Africa
- Prior art keywords
- arch
- formation
- metal member
- elongate metal
- elongate
- Prior art date
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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/022—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment over a stationary forming member only
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Lining And Supports For Tunnels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7941886 | 1979-12-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA807510B true ZA807510B (en) | 1981-12-30 |
Family
ID=10509613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00807510A ZA807510B (en) | 1979-12-04 | 1980-12-02 | Formation of an arch from an elongate metal member |
Country Status (12)
Country | Link |
---|---|
US (1) | US4391115A (xx) |
AU (2) | AU543779B2 (xx) |
BE (1) | BE886474A (xx) |
CA (1) | CA1142075A (xx) |
CH (1) | CH648774A5 (xx) |
DE (2) | DE3050764C2 (xx) |
ES (1) | ES497350A0 (xx) |
FR (2) | FR2471230B1 (xx) |
IE (1) | IE50279B1 (xx) |
IT (1) | IT1133945B (xx) |
NL (1) | NL8006575A (xx) |
ZA (1) | ZA807510B (xx) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4418560A (en) * | 1981-05-11 | 1983-12-06 | Hahn & Clay | Shell layer wrapping machine and method of positioning vessel sections of a multi-layer vessel |
DE3229051C2 (de) * | 1982-08-04 | 1987-02-19 | Kocks Technik Gmbh & Co, 4010 Hilden | Vorrichtung zum Biegen von Legerohren für Drahtwindungsleger |
DE3406729A1 (de) * | 1984-02-24 | 1985-09-12 | Bernd 7518 Bretten Reinbold | Fuer biegeanlagen vorgesehener dreh- und schwenkbar gelagerter gitterrosttisch |
DE3619643C2 (de) * | 1985-06-22 | 1996-01-11 | Schwarze Rigobert | Rohrbiegemaschine |
FR2601620B1 (fr) * | 1986-07-16 | 1988-11-18 | Erca Holding | Procede et dispositif de fabrication et de mise en place d'une etiquette sur un recipient thermoforme. |
US4928510A (en) * | 1989-09-15 | 1990-05-29 | Merit Enterprises, Inc. | Ring coiling machine |
US7497105B2 (en) * | 2002-06-05 | 2009-03-03 | Antonios Anagnostopoulos | Machine and method for parallel production of similar products, through straightening and bending of wires, wire rods, metal tubes or other material of prismatic cross section |
GB2561698A (en) * | 2018-03-01 | 2018-10-24 | Crippa Spa | Machine for bending a thread-like material such as a pipe equipped with an aboard cutting device |
CN111485920A (zh) * | 2020-04-17 | 2020-08-04 | 济南市市政工程设计研究院(集团)有限责任公司 | 一种循环支撑构造、永久支撑构造及隧道支护方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE77950C (de) * | F- A. PlAT, Paris, 10 rue St. Martin | Maschine zum Biegen von Metallstäben, Röhren, Profileisen und dergl | ||
DE670331C (de) * | 1939-01-17 | Eisenwerk Weserhuette Akt Ges | Verfahren und Vorrichtung zum Biegen von Profileisen | |
US1139434A (en) * | 1914-07-15 | 1915-05-11 | Edward Y Moore | Mechanism for bending structural shapes. |
GB203977A (en) * | 1922-12-30 | 1923-09-20 | Friedrich Rostock | Improvements in the manufacture of horseshoes with rope insertion |
US1773430A (en) * | 1927-12-22 | 1930-08-19 | Thomas A Mcdonnell | Apparatus for bending angle irons |
DE517373C (de) * | 1928-10-04 | 1931-02-02 | Consett Iron Company Ltd | Vorrichtung zum Biegen von Metallstangen, Staeben, Traegern u. dgl. |
US1997098A (en) * | 1933-02-06 | 1935-04-09 | Raymond E Beegle | Metal cutting and forming apparatus |
US2274856A (en) * | 1938-06-04 | 1942-03-03 | Douglas & Lomason Co | Forming device |
US2350379A (en) * | 1939-03-31 | 1944-06-06 | Budd Edward G Mfg Co | Machine for bending metal |
US2411801A (en) * | 1943-09-11 | 1946-11-26 | Goodyear Aircraft Corp | Metal bending and stretching apparatus |
GB615867A (en) * | 1944-04-17 | 1949-01-12 | Babcock & Wilcox Ltd | Improvements in or relating to the bending of angle irons |
US2470036A (en) * | 1944-11-07 | 1949-05-10 | Albert E Lemay | Pivoted bender with abutment roller adjustably mounted on vertically inclined bracket |
US3178922A (en) * | 1962-08-08 | 1965-04-20 | John R Tabor | Method and apparatus for fabricating curved structural beams |
US3339391A (en) * | 1964-12-04 | 1967-09-05 | Ben C Kowalski | Stretch bending machine |
FR1483071A (fr) * | 1966-05-18 | 1967-06-02 | Talleres Enrique Tejero | Outillage du type à crémaillère pour cintrer des tubes ou d'autres pièces |
US3545242A (en) * | 1968-10-14 | 1970-12-08 | Sheridan Gray Inc | Rotary stretch-forming machine |
DE2243293C2 (de) * | 1972-09-02 | 1981-10-01 | Lang, Ludwig, 6120 Michelstadt | Vorrichtung zum Biegen von strangförmigen Werkstücken |
-
1980
- 1980-12-01 AU AU64951/80A patent/AU543779B2/en not_active Ceased
- 1980-12-02 ES ES497350A patent/ES497350A0/es active Granted
- 1980-12-02 ZA ZA00807510A patent/ZA807510B/xx unknown
- 1980-12-02 CA CA000365927A patent/CA1142075A/en not_active Expired
- 1980-12-02 IE IE2506/80A patent/IE50279B1/en not_active IP Right Cessation
- 1980-12-03 CH CH8939/80A patent/CH648774A5/de not_active IP Right Cessation
- 1980-12-03 FR FR8025962A patent/FR2471230B1/fr not_active Expired
- 1980-12-03 US US06/212,594 patent/US4391115A/en not_active Expired - Lifetime
- 1980-12-03 NL NL8006575A patent/NL8006575A/nl not_active Application Discontinuation
- 1980-12-03 BE BE0/203027A patent/BE886474A/fr not_active IP Right Cessation
- 1980-12-03 IT IT26415/80A patent/IT1133945B/it active
- 1980-12-04 DE DE3050764A patent/DE3050764C2/de not_active Expired - Fee Related
- 1980-12-04 DE DE19803045791 patent/DE3045791A1/de active Granted
-
1984
- 1984-08-21 AU AU32253/84A patent/AU555906B2/en not_active Ceased
- 1984-10-08 FR FR848415571A patent/FR2560079B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IE50279B1 (en) | 1986-03-19 |
ES8202703A1 (es) | 1982-03-01 |
AU3225384A (en) | 1984-11-29 |
DE3045791A1 (de) | 1981-09-24 |
IT8026415A0 (it) | 1980-12-03 |
CA1142075A (en) | 1983-03-01 |
CH648774A5 (de) | 1985-04-15 |
US4391115A (en) | 1983-07-05 |
FR2560079B1 (fr) | 1989-04-21 |
NL8006575A (nl) | 1981-07-01 |
FR2560079A1 (fr) | 1985-08-30 |
AU6495180A (en) | 1981-06-11 |
ES497350A0 (es) | 1982-03-01 |
AU543779B2 (en) | 1985-05-02 |
AU555906B2 (en) | 1986-10-16 |
BE886474A (fr) | 1981-04-01 |
FR2471230B1 (fr) | 1986-01-31 |
FR2471230A1 (fr) | 1981-06-19 |
IE802506L (en) | 1981-06-04 |
DE3050764C2 (xx) | 1991-10-24 |
IT1133945B (it) | 1986-07-24 |
DE3045791C2 (xx) | 1991-06-06 |
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