FR533360A - Process for the preparation of perforated ingots or billets intended to produce seamless tubes - Google Patents
Process for the preparation of perforated ingots or billets intended to produce seamless tubesInfo
- Publication number
- FR533360A FR533360A FR533360DA FR533360A FR 533360 A FR533360 A FR 533360A FR 533360D A FR533360D A FR 533360DA FR 533360 A FR533360 A FR 533360A
- Authority
- FR
- France
- Prior art keywords
- ingots
- perforated
- preparation
- seamless tubes
- produce seamless
- 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
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/02—Special design or construction
- B21J9/04—Piercing presses
-
- 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
- B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4998—Combined manufacture including applying or shaping of fluent material
- Y10T29/49988—Metal casting
- Y10T29/49991—Combined with rolling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Metal Rolling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE329235T | 1918-08-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR533360A true FR533360A (en) | 1922-03-01 |
Family
ID=23974342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR533360D Expired FR533360A (en) | 1918-08-01 | 1921-03-24 | Process for the preparation of perforated ingots or billets intended to produce seamless tubes |
Country Status (3)
Country | Link |
---|---|
US (1) | US1537041A (en) |
DE (1) | DE329235C (en) |
FR (1) | FR533360A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE741279C (en) * | 1939-11-16 | 1943-11-08 | Mannesmann Ag | Process for inclined rolling of hollow blocks |
US4091524A (en) * | 1974-07-19 | 1978-05-30 | Ali Bindernagel | Process for producing pipe blooms |
DE2434850C3 (en) * | 1974-07-19 | 1981-05-27 | Bindernagel, Ali, 5632 Wermelskirchen | Process for the manufacture of tubular blanks |
-
1918
- 1918-08-01 DE DE1918329235D patent/DE329235C/en not_active Expired
-
1921
- 1921-03-24 FR FR533360D patent/FR533360A/en not_active Expired
- 1921-08-30 US US496833A patent/US1537041A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US1537041A (en) | 1925-05-05 |
DE329235C (en) | 1920-11-20 |
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