FR419568A - Demandrating device for hollow body rolling mills - Google Patents
Demandrating device for hollow body rolling millsInfo
- Publication number
- FR419568A FR419568A FR419568DA FR419568A FR 419568 A FR419568 A FR 419568A FR 419568D A FR419568D A FR 419568DA FR 419568 A FR419568 A FR 419568A
- Authority
- FR
- France
- Prior art keywords
- demandrating
- hollow body
- rolling mills
- body rolling
- mills
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
- B21B17/02—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length
- B21B17/04—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length in a continuous process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
- B21B17/14—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling without mandrel, e.g. stretch-reducing mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C45/00—Separating mandrels from work or vice versa
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR419568T | 1910-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR419568A true FR419568A (en) | 1911-01-10 |
Family
ID=1462783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR419568D Expired FR419568A (en) | 1910-08-20 | 1910-08-20 | Demandrating device for hollow body rolling mills |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR419568A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE740976C (en) * | 1938-07-24 | 1943-11-01 | Demag Ag | Reducing mill for the production of seamless tubes |
| FR2419776A1 (en) * | 1978-03-15 | 1979-10-12 | Mannesmann Ag | PROCESS AND INSTALLATION FOR HOT ROLLING OF SEAMLESS TUBES |
| FR2469962A1 (en) * | 1979-11-21 | 1981-05-29 | Vallourec | METHOD AND DEVICE FOR PRODUCING A SOLDER-FREE STEEL TUBE BY HOT ROLLING ON CHUCK |
-
1910
- 1910-08-20 FR FR419568D patent/FR419568A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE740976C (en) * | 1938-07-24 | 1943-11-01 | Demag Ag | Reducing mill for the production of seamless tubes |
| FR2419776A1 (en) * | 1978-03-15 | 1979-10-12 | Mannesmann Ag | PROCESS AND INSTALLATION FOR HOT ROLLING OF SEAMLESS TUBES |
| FR2469962A1 (en) * | 1979-11-21 | 1981-05-29 | Vallourec | METHOD AND DEVICE FOR PRODUCING A SOLDER-FREE STEEL TUBE BY HOT ROLLING ON CHUCK |
| EP0029786A1 (en) * | 1979-11-21 | 1981-06-03 | VALLOUREC Société Anonyme dite. | Process and device for producing a steel tube without welding joint by hot-rolling on a mandrel |
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