CH629123A5 - Method and apparatus for the production of a tube bend with at least one tangential cylindrical leg extension with uniform wall thicknesses - Google Patents
Method and apparatus for the production of a tube bend with at least one tangential cylindrical leg extension with uniform wall thicknesses Download PDFInfo
- Publication number
- CH629123A5 CH629123A5 CH463878A CH463878A CH629123A5 CH 629123 A5 CH629123 A5 CH 629123A5 CH 463878 A CH463878 A CH 463878A CH 463878 A CH463878 A CH 463878A CH 629123 A5 CH629123 A5 CH 629123A5
- Authority
- CH
- Switzerland
- Prior art keywords
- pipe bend
- pipe
- pressure rollers
- stationary
- leg extension
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 26
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 238000003825 pressing Methods 0.000 claims description 20
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 2
- 210000001331 nose Anatomy 0.000 claims 1
- 238000012545 processing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- B21D9/08—Bending tubes using mandrels or the like in press brakes or between rams and anvils or abutments; Pliers with forming dies
-
- 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
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 |
|---|---|---|---|
| DE2719353A DE2719353C3 (de) | 1977-04-30 | 1977-04-30 | Verfahren und vorrichtung zur herstellung von rohrbogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH629123A5 true CH629123A5 (en) | 1982-04-15 |
Family
ID=6007712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH463878A CH629123A5 (en) | 1977-04-30 | 1978-04-28 | Method and apparatus for the production of a tube bend with at least one tangential cylindrical leg extension with uniform wall thicknesses |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS53135873A (fr) |
| AT (1) | AT360819B (fr) |
| CH (1) | CH629123A5 (fr) |
| DE (1) | DE2719353C3 (fr) |
| FR (1) | FR2388612B1 (fr) |
| GB (1) | GB1603538A (fr) |
| IE (1) | IE46813B1 (fr) |
| IT (1) | IT1095342B (fr) |
| NL (1) | NL176235C (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT384760B (de) * | 1983-12-14 | 1988-01-11 | Tubi Italia Spa | Verfahren zur herstellung rohrfoermiger giessformen |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2529145C1 (ru) * | 2013-04-05 | 2014-09-27 | Николай Петрович Дядченко | Способ изготовления металлических колец из трубных заготовок |
| CN117884848B (zh) * | 2024-03-18 | 2024-05-07 | 四川优机精密机械制造有限公司 | 一种飞机发动机输油弯管接头加工方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US816451A (en) | 1903-12-30 | 1906-03-27 | Francis A Forwood | Implement for truing the internal forms of tubes. |
| US1680008A (en) * | 1924-11-28 | 1928-08-07 | Firm Of Rohrbogenwerk Gmbh | Apparatus for straightening the ends of bent pipes |
| DE420609C (de) * | 1924-11-29 | 1925-10-28 | Rohrbogenwerk G M B H Fa | Vorrichtung zum Geraderichten der Enden gekruemmter Rohrstuecke (Rohrbogen) |
| US1781567A (en) * | 1928-06-14 | 1930-11-11 | Firm Of Rohrbogenwerk Gmbh | Apparatus for producing bent pipes of correct prescribed lengths |
| DE521348C (de) * | 1928-06-15 | 1931-03-20 | Rohrbogenwerk G M B H | Herstellung der richtigen Baulaenge von Rohrbogen |
| US1857583A (en) * | 1930-03-03 | 1932-05-10 | Firm Rohrbogenwerk Gmbh | Apparatus for straightening out the ends of bent pipes |
| US1923272A (en) * | 1930-11-19 | 1933-08-22 | Taylor Forge And Pipe Works | Method and means for forming pipe elbows |
| DE548888C (de) * | 1930-11-21 | 1932-04-21 | Richard Niederstrasser | Verfahren zum Geraderichten und Kalibrieren der Enden von Rohrbogen |
| DE573890C (de) * | 1931-04-25 | 1933-10-10 | Rohrbogenwerk G M B H | Verfahren zur Herstellung von Rohrbogen o. dgl. |
| US2528315A (en) * | 1945-05-15 | 1950-10-31 | Dresser Ind | Apparatus for forming tubular l's |
| US2516372A (en) * | 1945-09-17 | 1950-07-25 | W C Norris Manufacturer Inc | Method of and means for forming pipe bends |
| DE1261102B (de) * | 1960-06-23 | 1968-02-15 | Meyer F | Verfahren und Vorrichtung zum Herstellen von Rohrbogen mit sich vom einen zum anderen Ende gleichmaessig verjuengendem Querschnitt |
| CS171419B1 (fr) * | 1973-07-23 | 1976-10-29 |
-
1977
- 1977-04-30 DE DE2719353A patent/DE2719353C3/de not_active Expired
-
1978
- 1978-04-26 GB GB16424/78A patent/GB1603538A/en not_active Expired
- 1978-04-27 JP JP5067678A patent/JPS53135873A/ja active Pending
- 1978-04-27 AT AT306678A patent/AT360819B/de not_active IP Right Cessation
- 1978-04-28 IT IT22850/78A patent/IT1095342B/it active
- 1978-04-28 CH CH463878A patent/CH629123A5/de not_active IP Right Cessation
- 1978-04-28 NL NLAANVRAGE7804609,A patent/NL176235C/xx not_active IP Right Cessation
- 1978-04-28 FR FR7812693A patent/FR2388612B1/fr not_active Expired
- 1978-05-01 IE IE859/78A patent/IE46813B1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT384760B (de) * | 1983-12-14 | 1988-01-11 | Tubi Italia Spa | Verfahren zur herstellung rohrfoermiger giessformen |
Also Published As
| Publication number | Publication date |
|---|---|
| IE46813B1 (en) | 1983-10-05 |
| IT7822850A0 (it) | 1978-04-28 |
| AT360819B (de) | 1981-02-10 |
| DE2719353B2 (de) | 1981-09-03 |
| IE780859L (en) | 1978-10-30 |
| FR2388612B1 (fr) | 1984-07-20 |
| GB1603538A (en) | 1981-11-25 |
| NL7804609A (nl) | 1978-11-01 |
| DE2719353A1 (de) | 1978-11-16 |
| NL176235B (nl) | 1984-10-16 |
| FR2388612A1 (fr) | 1978-11-24 |
| NL176235C (nl) | 1985-03-18 |
| IT1095342B (it) | 1985-08-10 |
| DE2719353C3 (de) | 1986-05-07 |
| JPS53135873A (en) | 1978-11-27 |
| ATA306678A (de) | 1980-06-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |