FR952673A - Perfectionnements dans la fabrication des tubes sans soudure - Google Patents
Perfectionnements dans la fabrication des tubes sans soudureInfo
- Publication number
- FR952673A FR952673A FR952673DA FR952673A FR 952673 A FR952673 A FR 952673A FR 952673D A FR952673D A FR 952673DA FR 952673 A FR952673 A FR 952673A
- Authority
- FR
- France
- Prior art keywords
- manufacture
- seamless tubes
- seamless
- tubes
- 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
- 238000004519 manufacturing process Methods 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
- B21B19/06—Rolling hollow basic material, e.g. Assel mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
- B21B19/06—Rolling hollow basic material, e.g. Assel mills
- B21B19/10—Finishing, e.g. smoothing, sizing, reeling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT952673X | 1940-05-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR952673A true FR952673A (fr) | 1949-11-22 |
Family
ID=11332528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR952673D Expired FR952673A (fr) | 1940-05-21 | 1947-04-12 | Perfectionnements dans la fabrication des tubes sans soudure |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE472826A (enrdf_load_stackoverflow) |
FR (1) | FR952673A (enrdf_load_stackoverflow) |
LU (1) | LU28819A1 (enrdf_load_stackoverflow) |
NL (1) | NL68931C (enrdf_load_stackoverflow) |
-
0
- LU LU28819D patent/LU28819A1/xx unknown
- NL NL68931D patent/NL68931C/xx active
- BE BE472826D patent/BE472826A/fr unknown
-
1947
- 1947-04-12 FR FR952673D patent/FR952673A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
LU28819A1 (enrdf_load_stackoverflow) | |
BE472826A (enrdf_load_stackoverflow) | |
NL68931C (enrdf_load_stackoverflow) |
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