CH500779A - Tube bending process - Google Patents
Tube bending processInfo
- Publication number
- CH500779A CH500779A CH1894068A CH1894068A CH500779A CH 500779 A CH500779 A CH 500779A CH 1894068 A CH1894068 A CH 1894068A CH 1894068 A CH1894068 A CH 1894068A CH 500779 A CH500779 A CH 500779A
- Authority
- CH
- Switzerland
- Prior art keywords
- bending process
- tube bending
- tube
- bending
- Prior art date
Links
Classifications
-
- 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
- B21C37/283—Making 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)
- Bending Of Plates, Rods, And Pipes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR136563 | 1968-01-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH500779A true CH500779A (en) | 1970-12-31 |
Family
ID=8644759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1894068A CH500779A (en) | 1968-01-18 | 1968-12-19 | Tube bending process |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE725699A (en) |
CH (1) | CH500779A (en) |
DE (2) | DE1902285A1 (en) |
ES (1) | ES362660A1 (en) |
FR (1) | FR1565445A (en) |
GB (1) | GB1198220A (en) |
LU (1) | LU57587A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1030939B (en) | 1974-12-20 | 1979-04-10 | Tag Vertrieb Ag | METHOD FOR THE CURVATURE OF TUBULAR BODIES AND EQUIPMENT IMPLEMENTING THIS METHOD |
DE3701612A1 (en) * | 1987-01-21 | 1988-08-04 | Benteler Werke Ag | METHOD FOR BENDING TUBES AND SUPPORTING PIN FOR PERFORMING THE METHOD |
JP2013104465A (en) * | 2011-11-11 | 2013-05-30 | Sanwa Boeki Kk | Method for manufacturing multi-way pipe joint |
CN102773306B (en) * | 2012-08-09 | 2017-07-18 | 赵肖运 | Extruded tube leads to the manufacture craft of the logical part of filled media and its extruded tube of part |
-
1968
- 1968-01-18 FR FR1565445D patent/FR1565445A/fr not_active Expired
- 1968-12-17 LU LU57587D patent/LU57587A1/xx unknown
- 1968-12-19 BE BE725699D patent/BE725699A/xx unknown
- 1968-12-19 CH CH1894068A patent/CH500779A/en not_active IP Right Cessation
- 1968-12-24 GB GB6142268A patent/GB1198220A/en not_active Expired
-
1969
- 1969-01-17 DE DE19691902285 patent/DE1902285A1/en active Pending
- 1969-01-17 DE DE19696901753 patent/DE6901753U/en not_active Expired
- 1969-01-18 ES ES362660A patent/ES362660A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE6901753U (en) | 1971-11-04 |
ES362660A1 (en) | 1970-12-01 |
DE1902285A1 (en) | 1969-10-02 |
LU57587A1 (en) | 1969-04-08 |
FR1565445A (en) | 1969-05-02 |
BE725699A (en) | 1969-05-29 |
GB1198220A (en) | 1970-07-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1536160A (en) | Carbohydrate modification process | |
FR2004496A1 (en) | PRINTING-TRANSFER PROCESS | |
FR2073464B1 (en) | Tube bending machine | |
FR1479354A (en) | Process for obtaining polyphenols | |
FR1451265A (en) | Process for obtaining alpha-hydroxy-phenylalanines | |
CH500779A (en) | Tube bending process | |
CH486428A (en) | Urea production process | |
FR1456231A (en) | Production process for hollow objects | |
FR1474663A (en) | Metal extraction process | |
CH516054A (en) | Building construction process | |
BE745508A (en) | WIRE TUBE | |
FR1483560A (en) | Process for obtaining diethyl pyrocarbonate | |
CH473743A (en) | Oxychlorination process | |
FR1496079A (en) | Improved esterification process | |
FR1506751A (en) | Acrolein polymerization process | |
CH490344A (en) | Urea production process | |
FR1407721A (en) | Uranium rod coating process | |
FR1451264A (en) | Process for obtaining alpha-amino-phenylalanines | |
CH495367A (en) | Process for obtaining new benzotriazepines | |
FR1462355A (en) | Fertilizer production process | |
CH490577A (en) | Rail cleaning process | |
FR1433370A (en) | Process for obtaining nu1-acetyl p-aminobenzenesulfonamides | |
CH525747A (en) | Abrasion process | |
FR1484392A (en) | Gold recovery process | |
OA03025A (en) | Process for obtaining tabersonine. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |