NL94488C - - Google Patents
Info
- Publication number
- NL94488C NL94488C NL94488DA NL94488C NL 94488 C NL94488 C NL 94488C NL 94488D A NL94488D A NL 94488DA NL 94488 C NL94488 C NL 94488C
- Authority
- NL
- Netherlands
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
- B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
-
- 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
- B21D9/12—Bending tubes using mandrels or the like by pushing over a curved mandrel; by pushing through a curved die
- B21D9/125—Bending tubes using mandrels or the like by pushing over a curved mandrel; by pushing through a curved die by pushing through a curved die
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US290105A US2701002A (en) | 1952-05-26 | 1952-05-26 | Apparatus for making pipe couplings or fixtures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL94488C true NL94488C (OSRAM) |
Family
ID=23114548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL94488D NL94488C (OSRAM) | 1952-05-26 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2701002A (OSRAM) |
| GB (1) | GB904645A (OSRAM) |
| NL (1) | NL94488C (OSRAM) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2902080A (en) * | 1953-11-04 | 1959-09-01 | Western Electric Co | Apparatus for twisting wave guides |
| US2907102A (en) * | 1955-05-16 | 1959-10-06 | Horace T Potts Company | Cold tube bending |
| US2887144A (en) * | 1955-05-19 | 1959-05-19 | Aeroquip Corp | Tube bending machine having pressure and back up rams |
| US2918102A (en) * | 1958-04-21 | 1959-12-22 | Horace T Potts Company | Apparatus for bending tube blanks |
| US2971556A (en) * | 1959-11-12 | 1961-02-14 | David E Armstrong | Cold tube bending and sizing |
| DE1169257B (de) * | 1959-11-12 | 1964-04-30 | David Erhmon Armstrong | Verfahren und Vorrichtung zum Herstellen von Rohrbogen |
| FR86671E (fr) * | 1964-01-14 | 1966-03-25 | Nord Aviation | Procédé de plissage de matériaux en feuilles et machine pour sa mise en oeuvre |
| US3412591A (en) * | 1966-03-31 | 1968-11-26 | Nordberg Manufacturing Co | Press for elbows and the like |
| US3453857A (en) * | 1966-10-21 | 1969-07-08 | Pico Corp | Apparatus and method of bending pipe |
| CH521179A (de) * | 1971-03-18 | 1972-04-15 | Fischer Ag Georg | Vorrichtung zum Herstellen von Rohrkrümmern |
| US4530226A (en) * | 1983-06-13 | 1985-07-23 | Tishken Products, Inc. | Sweep-forming apparatus |
| DE3701612A1 (de) * | 1987-01-21 | 1988-08-04 | Benteler Werke Ag | Verfahren zum biegen von rohren und stuetzdorn zur durchfuehrung des verfahrens |
| US5129247A (en) * | 1990-06-18 | 1992-07-14 | Muskegon Automation Equipment, Inc. | Method for making an irregularly shaped drawn tube |
| US5050417A (en) * | 1990-06-18 | 1991-09-24 | Muskegon Automation Equipment, Inc. | Apparatus for making an irregularly shaped drawn tube |
| CN104043734A (zh) * | 2014-06-11 | 2014-09-17 | 沈阳飞机工业（集团）有限公司 | 小弯曲半径航空导管弯管成型模及其成型方法 |
| CN108273889B (zh) * | 2018-01-22 | 2023-06-23 | 南昌航空大学 | 一种小弯曲半径管差温推弯成形的方法及装置 |
| CN110756634B (zh) * | 2018-07-25 | 2021-07-27 | 丛华 | 带直管弯头的冷推成形方法 |
| CN109821945B (zh) * | 2019-03-18 | 2020-06-23 | 燕山大学 | 一种金属管材弯曲装置 |
| CN112222221A (zh) * | 2020-09-23 | 2021-01-15 | 无锡金羊管件有限公司 | 一种不锈钢制的异径弯头的成型工艺 |
| CN112705602A (zh) * | 2020-12-08 | 2021-04-27 | 浙江嘉达机械制造有限公司 | 一种弯管加工工艺 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US406992A (en) * | 1889-07-16 | Pipe-bender | ||
| US425395A (en) * | 1890-04-08 | Pipe-bending core | ||
| US204527A (en) * | 1878-06-04 | Improvement in apparatus for bending tubes | ||
| DE455559C (de) * | 1926-01-22 | 1928-02-03 | Johannes Schmid | Verfahren zum Biegen und Vergueten von Staeben oder Rohren |
| US1978452A (en) * | 1930-12-20 | 1934-10-30 | Crane Co | Method of making pipe fittings |
| US1947611A (en) * | 1932-04-29 | 1934-02-20 | Miotke Joseph | Forming means |
| US2138199A (en) * | 1935-09-28 | 1938-11-29 | Frans B Wendel | Method of making metal fittings and the like |
| US2183702A (en) * | 1937-05-11 | 1939-12-19 | Wendel Frans Bertil | Die assembly for forming hollow metal articles |
| US2380344A (en) * | 1943-12-31 | 1945-07-10 | Frank G Sutton | Chain mandrel for bending pipes |
-
0
- NL NL94488D patent/NL94488C/xx active
-
1952
- 1952-05-26 US US290105A patent/US2701002A/en not_active Expired - Lifetime
-
1960
- 1960-10-28 GB GB37130/60D patent/GB904645A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB904645A (en) | 1962-08-29 |
| US2701002A (en) | 1955-02-01 |