NL182706B - Apparatus for hot bending of metal pipes. - Google Patents
Apparatus for hot bending of metal pipes.Info
- Publication number
- NL182706B NL182706B NLAANVRAGE7906077,A NL7906077A NL182706B NL 182706 B NL182706 B NL 182706B NL 7906077 A NL7906077 A NL 7906077A NL 182706 B NL182706 B NL 182706B
- Authority
- NL
- Netherlands
- Prior art keywords
- metal pipes
- hot bending
- bending
- hot
- pipes
- 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 |
---|---|---|---|
NLAANVRAGE7906077,A NL182706C (en) | 1974-07-23 | 1979-08-08 | Apparatus for hot bending of metal pipes. |
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. |
NLAANVRAGE7906077,A NL182706C (en) | 1974-07-23 | 1979-08-08 | Apparatus for hot bending of metal pipes. |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7906077A NL7906077A (en) | 1979-12-28 |
NL182706B true NL182706B (en) | 1987-12-01 |
NL182706C NL182706C (en) | 1988-05-02 |
Family
ID=27550998
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7906077,A NL182706C (en) | 1974-07-23 | 1979-08-08 | 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. |
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 |
---|---|---|---|
NLAANVRAGE7906080,A NL182378C (en) | 1974-07-23 | 1979-08-08 | Apparatus for hot bending of metal pipes or tubes. |
NLAANVRAGE7906079,A NL178659C (en) | 1974-07-23 | 1979-08-08 | DEVICE FOR WARM-BENDING METAL PIPES. |
Country Status (1)
Country | Link |
---|---|
NL (3) | NL182706C (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 NLAANVRAGE7906077,A patent/NL182706C/en not_active IP Right Cessation
- 1979-08-08 NL NLAANVRAGE7906080,A patent/NL182378C/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 |
---|---|
NL178659B (en) | 1985-12-02 |
NL178659C (en) | 1986-05-01 |
NL182378C (en) | 1988-03-01 |
NL7906080A (en) | 1979-12-28 |
NL7906077A (en) | 1979-12-28 |
NL182706C (en) | 1988-05-02 |
NL7906079A (en) | 1979-12-28 |
NL182378B (en) | 1987-10-01 |
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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 |