NL182378B - Apparatus for hot bending of metal pipes or tubes. - Google Patents
Apparatus for hot bending of metal pipes or tubes.Info
- Publication number
- NL182378B NL182378B NLAANVRAGE7906080,A NL7906080A NL182378B NL 182378 B NL182378 B NL 182378B NL 7906080 A NL7906080 A NL 7906080A NL 182378 B NL182378 B NL 182378B
- Authority
- NL
- Netherlands
- Prior art keywords
- tubes
- metal pipes
- hot bending
- bending
- hot
- 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
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
- B21D7/025—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member and pulling or pushing the ends of the work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7906080,A NL182378C (en) | 1974-07-23 | 1979-08-08 | Apparatus for hot bending of metal pipes or tubes. |
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8375674A JPS5112369A (en) | 1974-07-23 | 1974-07-23 | NETSUKANMAGE SOCHI |
JP10487474A JPS5132473A (en) | 1974-09-13 | 1974-09-13 | KINZOKUKANTONOMAGE KAKOHO OYOBI DOSOCHI |
JP10487374A JPS5131667A (en) | 1974-09-13 | 1974-09-13 | KINZOKUKANNOMAGEKAKOHO OYOBI DOSOCHI |
JP11569174U JPS5144739U (en) | 1974-09-27 | 1974-09-27 | |
JP6495675A JPS51140862A (en) | 1975-05-30 | 1975-05-30 | Method of bending metal bar material |
NLAANVRAGE7508788,A NL177088C (en) | 1974-07-23 | 1975-07-23 | Apparatus for hot bending of metal pipes. |
NLAANVRAGE7906080,A NL182378C (en) | 1974-07-23 | 1979-08-08 | Apparatus for hot bending of metal pipes or tubes. |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7906080A NL7906080A (en) | 1979-12-28 |
NL182378B true NL182378B (en) | 1987-10-01 |
NL182378C NL182378C (en) | 1988-03-01 |
Family
ID=27550998
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7906080,A NL182378C (en) | 1974-07-23 | 1979-08-08 | Apparatus for hot bending of metal pipes or tubes. |
NLAANVRAGE7906077,A NL182706C (en) | 1974-07-23 | 1979-08-08 | Apparatus for hot bending of metal pipes. |
NLAANVRAGE7906079,A NL178659C (en) | 1974-07-23 | 1979-08-08 | DEVICE FOR WARM-BENDING METAL PIPES. |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7906077,A NL182706C (en) | 1974-07-23 | 1979-08-08 | Apparatus for hot bending of metal pipes. |
NLAANVRAGE7906079,A NL178659C (en) | 1974-07-23 | 1979-08-08 | DEVICE FOR WARM-BENDING METAL PIPES. |
Country Status (1)
Country | Link |
---|---|
NL (3) | NL182378C (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104690117B (en) * | 2015-03-27 | 2017-03-01 | 华电重工股份有限公司 | The especially big radius elbow of large diameter thick wall steel pipe and its forming method |
-
1979
- 1979-08-08 NL NLAANVRAGE7906080,A patent/NL182378C/en not_active IP Right Cessation
- 1979-08-08 NL NLAANVRAGE7906077,A patent/NL182706C/en not_active IP Right Cessation
- 1979-08-08 NL NLAANVRAGE7906079,A patent/NL178659C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL178659C (en) | 1986-05-01 |
NL182706C (en) | 1988-05-02 |
NL182706B (en) | 1987-12-01 |
NL182378C (en) | 1988-03-01 |
NL7906080A (en) | 1979-12-28 |
NL178659B (en) | 1985-12-02 |
NL7906079A (en) | 1979-12-28 |
NL7906077A (en) | 1979-12-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NL177088C (en) | Apparatus for hot bending of metal pipes. | |
NL177248C (en) | Plug-in joint for pipes or tube elements, especially metal. | |
NL161690B (en) | METHOD FOR THE INTERNAL COVERING OF METAL PIPES. | |
ATA561172A (en) | CONNECTION FOR FLEXIBLE METAL PIPES | |
NL7505193A (en) | PROCESS FOR ROLLING HOT METAL STRIP AND DEVICE FOR PERFORMING SUCH PROCESS. | |
NL167339C (en) | APPARATUS FOR COLD DRAWING OF METAL PIPES, IN PARTICULAR STEEL PIPES. | |
NL7504688A (en) | DEVICE FOR SUPPORTING PIPES OR PIPES. | |
NL7416167A (en) | METHOD AND DEVICE FOR BENDING A PIPE AND BEND MANUFACTURED ACCORDING TO THE METHOD. | |
NL7608751A (en) | DEVICE FOR BENDING PIPES. | |
NL7611005A (en) | METHOD AND DEVICE FOR BENDING LARGE PIPES. | |
AT328240B (en) | PIPE CONNECTION FOR METAL PIPES | |
NL7511189A (en) | DEVICE FOR RECORDING THE STATE OF PIPES INTENDED FOR INSERTION. | |
NL7600750A (en) | PROCEDURE FOR TRANSFERRING HEAT OR COLD AND A HEAT PUMP FOR PERFORMING THIS PROCEDURE. | |
NL7412770A (en) | THORN FOR BENDING PIPES. | |
NL7502038A (en) | METHOD OF INSULATING PIPES. | |
CH538660A (en) | Heat pipe and process for its manufacture | |
NL7608696A (en) | DEVICE FOR THE EXTERNAL COVERING OF METAL PIPES WITHOUT END. | |
NL182378C (en) | Apparatus for hot bending of metal pipes or tubes. | |
NL164767C (en) | APPARATUS FOR TAPING SMOOTH METAL TUBES. | |
NL7606018A (en) | PROCESS FOR THE CONTINUOUS MANUFACTURE OF HEAT INSULATED PIPES. | |
NL167866B (en) | DEVICE FOR COATING METAL PIPES. | |
NL7508652A (en) | METHOD AND DEVICE FOR THE HEAT TREATMENT OF STEEL WIRE. | |
NL164890C (en) | METHOD FOR INSULATING METAL PIPELINES | |
NL7601196A (en) | DEVICE FOR COLD FORMING METAL WORKPIECES. | |
NL175461C (en) | PROCESS FOR FAST HEATING OF A HEAT EXCHANGER. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1A | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V1 | Lapsed because of non-payment of the annual fee |