CS171419B1 - - Google Patents
Info
- Publication number
- CS171419B1 CS171419B1 CS524673A CS524673A CS171419B1 CS 171419 B1 CS171419 B1 CS 171419B1 CS 524673 A CS524673 A CS 524673A CS 524673 A CS524673 A CS 524673A CS 171419 B1 CS171419 B1 CS 171419B1
- Authority
- CS
- Czechoslovakia
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
- B21D9/15—Bending tubes using mandrels or the like using filling material of indefinite shape, e.g. sand, plastic material
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- 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
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
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- 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
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS524673A CS171419B1 (en) | 1973-07-23 | 1973-07-23 | |
| DE19742432655 DE2432655A1 (en) | 1973-07-23 | 1974-07-08 | PROCESS AND EQUIPMENT FOR MANUFACTURING HIGH PRESSURE MANIFOLD |
| JP8123174A JPS5071559A (en) | 1973-07-23 | 1974-07-17 | |
| GB3192574A GB1456284A (en) | 1973-07-23 | 1974-07-18 | Production of pipe elbows for withstanding high pressure |
| FR7425575A FR2245426A1 (en) | 1973-07-23 | 1974-07-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS524673A CS171419B1 (en) | 1973-07-23 | 1973-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS171419B1 true CS171419B1 (en) | 1976-10-29 |
Family
ID=5396977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS524673A CS171419B1 (en) | 1973-07-23 | 1973-07-23 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5071559A (en) |
| CS (1) | CS171419B1 (en) |
| DE (1) | DE2432655A1 (en) |
| FR (1) | FR2245426A1 (en) |
| GB (1) | GB1456284A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2605795C2 (en) * | 1976-02-13 | 1981-10-08 | Sidro Rohrbogen GmbH, 4980 Bünde | Arrangement for the production of individual pipe bends |
| DE2719353C3 (en) * | 1977-04-30 | 1986-05-07 | Sidro Rohrbogen GmbH, 4980 Bünde | METHOD AND DEVICE FOR PRODUCING ELBOW |
| CN105855344B (en) * | 2015-01-21 | 2019-05-24 | 保隆(安徽)汽车配件有限公司 | The forming method of minor radius bend pipe |
| CN105436270A (en) * | 2015-12-11 | 2016-03-30 | 北京有色金属研究总院 | Method for machining metal pipe with tapered elbow |
| RU2673695C2 (en) * | 2017-05-03 | 2018-11-29 | Федеральное государственное бюджетное образовательное учреждение высшего образования "ОРЛОВСКИЙ ГОСУДАРСТВЕННЫЙ УНИВЕРСИТЕТ имени И.С. ТУРГЕНЕВА" (ОГУ им. И.С. Тургенева) | Device for bending pipes |
| CN110640400B (en) * | 2019-09-12 | 2021-12-07 | 精达河北机床制造有限公司 | Production equipment and production method of push elbow |
| CN114130873A (en) * | 2021-11-19 | 2022-03-04 | 北京国电富通科技发展有限责任公司 | Forming method of large-diameter thin-wall elbow |
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1973
- 1973-07-23 CS CS524673A patent/CS171419B1/cs unknown
-
1974
- 1974-07-08 DE DE19742432655 patent/DE2432655A1/en not_active Withdrawn
- 1974-07-17 JP JP8123174A patent/JPS5071559A/ja active Pending
- 1974-07-18 GB GB3192574A patent/GB1456284A/en not_active Expired
- 1974-07-23 FR FR7425575A patent/FR2245426A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2432655A1 (en) | 1975-02-13 |
| JPS5071559A (en) | 1975-06-13 |
| GB1456284A (en) | 1976-11-24 |
| FR2245426A1 (en) | 1975-04-25 |