NL7906080A - Werkwijze en inrichting voor het buigen van lange meta- len materialen zoals pijpen, staven en stangen. - Google Patents
Werkwijze en inrichting voor het buigen van lange meta- len materialen zoals pijpen, staven en stangen.Info
- Publication number
- NL7906080A NL7906080A NL7906080A NL7906080A NL7906080A NL 7906080 A NL7906080 A NL 7906080A NL 7906080 A NL7906080 A NL 7906080A NL 7906080 A NL7906080 A NL 7906080A NL 7906080 A NL7906080 A NL 7906080A
- Authority
- NL
- Netherlands
- Prior art keywords
- pipe
- plastic deformation
- clamp arm
- heater
- 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 |
---|---|---|---|
NLAANVRAGE7906080,A NL182378C (nl) | 1974-07-23 | 1979-08-08 | Inrichting voor het warm buigen van metalen pijpen of buizen. |
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8375674A JPS5112369A (ja) | 1974-07-23 | 1974-07-23 | Netsukanmagesochi |
JP10487374A JPS5131667A (ja) | 1974-09-13 | 1974-09-13 | Kinzokukannomagekakoho oyobi dosochi |
JP10487474A JPS5132473A (ja) | 1974-09-13 | 1974-09-13 | Kinzokukantonomagekakoho oyobi dosochi |
JP11569174U JPS5144739U (nl) | 1974-09-27 | 1974-09-27 | |
JP6495675A JPS51140862A (en) | 1975-05-30 | 1975-05-30 | Method of bending metal bar material |
NLAANVRAGE7508788,A NL177088C (nl) | 1974-07-23 | 1975-07-23 | Inrichting voor het warm buigen van metalen buizen. |
NLAANVRAGE7906080,A NL182378C (nl) | 1974-07-23 | 1979-08-08 | Inrichting voor het warm buigen van metalen pijpen of buizen. |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7906080A true NL7906080A (nl) | 1979-12-28 |
NL182378B NL182378B (nl) | 1987-10-01 |
NL182378C NL182378C (nl) | 1988-03-01 |
Family
ID=27550998
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7906080,A NL182378C (nl) | 1974-07-23 | 1979-08-08 | Inrichting voor het warm buigen van metalen pijpen of buizen. |
NLAANVRAGE7906079,A NL178659C (nl) | 1974-07-23 | 1979-08-08 | Inrichting voor het warmbuigen van metalen buizen. |
NLAANVRAGE7906077,A NL182706C (nl) | 1974-07-23 | 1979-08-08 | Inrichting voor het warm buigen van metalen buizen. |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7906079,A NL178659C (nl) | 1974-07-23 | 1979-08-08 | Inrichting voor het warmbuigen van metalen buizen. |
NLAANVRAGE7906077,A NL182706C (nl) | 1974-07-23 | 1979-08-08 | Inrichting voor het warm buigen van metalen buizen. |
Country Status (1)
Country | Link |
---|---|
NL (3) | NL182378C (nl) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104690117B (zh) * | 2015-03-27 | 2017-03-01 | 华电重工股份有限公司 | 大口径厚壁钢管的特大半径弯管及其成型方法 |
-
1979
- 1979-08-08 NL NLAANVRAGE7906080,A patent/NL182378C/nl not_active IP Right Cessation
- 1979-08-08 NL NLAANVRAGE7906079,A patent/NL178659C/nl not_active IP Right Cessation
- 1979-08-08 NL NLAANVRAGE7906077,A patent/NL182706C/nl not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL182706C (nl) | 1988-05-02 |
NL182706B (nl) | 1987-12-01 |
NL178659C (nl) | 1986-05-01 |
NL7906077A (nl) | 1979-12-28 |
NL178659B (nl) | 1985-12-02 |
NL182378C (nl) | 1988-03-01 |
NL7906079A (nl) | 1979-12-28 |
NL182378B (nl) | 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 |