FR2085976A1 - - Google Patents
Info
- Publication number
- FR2085976A1 FR2085976A1 FR7112438A FR7112438A FR2085976A1 FR 2085976 A1 FR2085976 A1 FR 2085976A1 FR 7112438 A FR7112438 A FR 7112438A FR 7112438 A FR7112438 A FR 7112438A FR 2085976 A1 FR2085976 A1 FR 2085976A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
- B21B25/02—Guides, supports, or abutments for mandrels, e.g. carriages or steadiers; Adjusting devices for mandrels
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
- B21B25/06—Interchanging mandrels, fixing plugs on mandrel rods or cooling during interchanging mandrels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT6821070 | 1970-04-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2085976A1 true FR2085976A1 (enrdf_load_stackoverflow) | 1971-12-31 |
FR2085976B1 FR2085976B1 (enrdf_load_stackoverflow) | 1974-04-26 |
Family
ID=11308499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7112438A Expired FR2085976B1 (enrdf_load_stackoverflow) | 1970-04-10 | 1971-04-08 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3722246A (enrdf_load_stackoverflow) |
DE (1) | DE2117411A1 (enrdf_load_stackoverflow) |
FR (1) | FR2085976B1 (enrdf_load_stackoverflow) |
GB (1) | GB1305867A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2813612A1 (de) * | 1977-04-18 | 1978-10-19 | Aetna Standard Eng Co | Vorrichtung zur mittenkoernung von knueppeln fuer die herstellung von nahtlosem rohr |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2198797B1 (enrdf_load_stackoverflow) * | 1972-09-08 | 1975-01-03 | Vallourec | |
IT1075032B (it) * | 1976-10-18 | 1985-04-22 | Innocenti Santeustacchio Spa | Apparecchiatura per il recupero ed il reimpiego della stanga portapunta in un presso-laminatoio |
US4289011A (en) * | 1978-11-17 | 1981-09-15 | Nippon Steel Corporation | Continuous pipe rolling process |
FR2482877A1 (fr) * | 1980-05-23 | 1981-11-27 | Vallourec | Chariot porte-butee de laminoir perceur et procede pour le mettre en oeuvre |
DE3333390A1 (de) * | 1983-09-13 | 1985-03-21 | Mannesmann AG, 4000 Düsseldorf | Vorrichtung zum zu- und abfuehren der dornstangen an schraeg- und laengswalzwerken |
DE3345665C2 (de) * | 1983-12-14 | 1986-11-27 | Mannesmann AG, 4000 Düsseldorf | Vorrichtung zum Halten der Walzstange und zum Führen des Walzgutes |
CN104259208B (zh) * | 2014-10-21 | 2017-07-18 | 太原普莱设工程技术有限公司 | 一种四辊斜轧穿孔机 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1988547A (en) * | 1933-03-17 | 1935-01-22 | William H Engelbertz | Tube forming apparatus |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1100695A (en) * | 1910-11-12 | 1914-06-16 | Shelby Steel Tube Company | Apparatus for making seamless tubes. |
US2024514A (en) * | 1933-03-25 | 1935-12-17 | Diescher Tube Mills Inc | Method and apparatus for making tubes |
US2356734A (en) * | 1941-08-14 | 1944-08-29 | Nat Tube Co | Tube mill |
US3348399A (en) * | 1964-08-04 | 1967-10-24 | Mckay Machine Co | Methods of and apparatus for forming tubular members |
-
1971
- 1971-04-01 US US00130366A patent/US3722246A/en not_active Expired - Lifetime
- 1971-04-08 FR FR7112438A patent/FR2085976B1/fr not_active Expired
- 1971-04-08 DE DE19712117411 patent/DE2117411A1/de active Pending
- 1971-04-19 GB GB2577171*#A patent/GB1305867A/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1988547A (en) * | 1933-03-17 | 1935-01-22 | William H Engelbertz | Tube forming apparatus |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2813612A1 (de) * | 1977-04-18 | 1978-10-19 | Aetna Standard Eng Co | Vorrichtung zur mittenkoernung von knueppeln fuer die herstellung von nahtlosem rohr |
Also Published As
Publication number | Publication date |
---|---|
US3722246A (en) | 1973-03-27 |
DE2117411A1 (de) | 1971-10-28 |
FR2085976B1 (enrdf_load_stackoverflow) | 1974-04-26 |
GB1305867A (enrdf_load_stackoverflow) | 1973-02-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |