IT1144404B - PROCESS FOR THE MANUFACTURE OF METAL TUBES WITHOUT WELDING - Google Patents
PROCESS FOR THE MANUFACTURE OF METAL TUBES WITHOUT WELDINGInfo
- Publication number
- IT1144404B IT1144404B IT8168001A IT6800181A IT1144404B IT 1144404 B IT1144404 B IT 1144404B IT 8168001 A IT8168001 A IT 8168001A IT 6800181 A IT6800181 A IT 6800181A IT 1144404 B IT1144404 B IT 1144404B
- Authority
- IT
- Italy
- Prior art keywords
- welding
- manufacture
- metal tubes
- tubes
- metal
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000002184 metal Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000003466 welding 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
-
- 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
- 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
- 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)
- Control Of Metal Rolling (AREA)
- Metal Extraction Processes (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9894980A JPS5725209A (en) | 1980-07-18 | 1980-07-18 | Production of seamless metallic pipe |
JP56022540A JPS57137009A (en) | 1981-02-17 | 1981-02-17 | Manufacture of seamless metallic pipe |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8168001A0 IT8168001A0 (en) | 1981-07-17 |
IT1144404B true IT1144404B (en) | 1986-10-29 |
Family
ID=26359785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8168001A IT1144404B (en) | 1980-07-18 | 1981-07-17 | PROCESS FOR THE MANUFACTURE OF METAL TUBES WITHOUT WELDING |
Country Status (8)
Country | Link |
---|---|
AT (1) | AT385923B (en) |
AU (1) | AU530920B2 (en) |
CA (1) | CA1159686A (en) |
DE (1) | DE3128055C2 (en) |
FR (1) | FR2486831A1 (en) |
GB (1) | GB2081152B (en) |
IT (1) | IT1144404B (en) |
SE (1) | SE446434B (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU564031B2 (en) * | 1982-06-30 | 1987-07-30 | Sumitomo Metal Industries Ltd. | Manufacturing hollow rods |
DE3236892A1 (en) * | 1982-10-01 | 1984-04-05 | Mannesmann AG, 4000 Düsseldorf | ROLLING MILL FOR THE PRODUCTION OF THIN-WALLED SEAMLESS TUBES |
DE3717698A1 (en) * | 1986-06-25 | 1988-01-14 | Kocks Technik | METHOD AND SYSTEM FOR PRODUCING SEAMLESS TUBES |
AT393966B (en) * | 1988-03-25 | 1992-01-10 | Blaschke Pumpen Filteranlagen | Protective suit for use in an area contaminated by toxic materials |
DE4243688C1 (en) * | 1992-12-18 | 1994-03-31 | Mannesmann Ag | Aligning rough workpiece in front of error reduction roller mechanism - involves altering entry orientation according to measured geometry errors |
DE19808611A1 (en) * | 1998-02-28 | 1999-09-02 | Bosch Gmbh Robert | Method of making an angled hole in a component |
DE10229771A1 (en) * | 2002-07-03 | 2004-01-29 | Sms Meer Gmbh | Method and device for determining the eccentricity of a hollow block |
DE102008061141B4 (en) * | 2008-12-09 | 2012-08-30 | Sumitomo Metal Industries, Ltd. | Method for producing seamless pipes by means of a three-roll bar rolling mill |
DE102012107041B4 (en) | 2012-08-01 | 2014-05-15 | Benteler Deutschland Gmbh | Method and device for producing a metallic hollow block from a metallic block |
ITMI20130628A1 (en) | 2013-04-17 | 2014-10-18 | Danieli Off Mecc | INTEGRATED MILL FOR TUBES WITHOUT TRANSVERSAL LAMINATION |
US11731184B2 (en) | 2019-04-23 | 2023-08-22 | Jfe Steel Corporation | Rolling straightening machine and method of manufacturing a pipe or tube or a bar using same |
CN114981021A (en) * | 2020-01-14 | 2022-08-30 | 日本制铁株式会社 | Method for manufacturing seamless metal pipe |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR534968A (en) * | 1916-02-21 | 1922-04-06 | Tube rolling mill | |
DE747926C (en) * | 1936-10-02 | 1944-10-20 | Helical rolling mill | |
DE936322C (en) * | 1937-08-13 | 1955-12-07 | Mannesmann Ag | Mandrelless angled rolling mill for calibrating and smoothing tubes with a weak reduction |
DE846384C (en) * | 1941-05-24 | 1952-08-11 | Demag Ag | Angled rolling mill with three or more rolls for the production of seamless tubes |
DE948682C (en) * | 1952-08-12 | 1956-09-06 | Phoenix Rheinrohr Ag Vereinigt | Shoulder mill for reducing the stretch, preferably thick-walled tubes |
SE329584B (en) * | 1966-06-16 | 1970-10-19 | Skf Svenska Kullagerfab Ab |
-
1981
- 1981-07-16 DE DE3128055A patent/DE3128055C2/en not_active Expired - Fee Related
- 1981-07-16 FR FR8113867A patent/FR2486831A1/en active Granted
- 1981-07-17 AU AU73097/81A patent/AU530920B2/en not_active Ceased
- 1981-07-17 GB GB8122090A patent/GB2081152B/en not_active Expired
- 1981-07-17 SE SE8104419A patent/SE446434B/en not_active IP Right Cessation
- 1981-07-17 CA CA000381958A patent/CA1159686A/en not_active Expired
- 1981-07-17 AT AT0317981A patent/AT385923B/en not_active IP Right Cessation
- 1981-07-17 IT IT8168001A patent/IT1144404B/en active
Also Published As
Publication number | Publication date |
---|---|
CA1159686A (en) | 1984-01-03 |
AT385923B (en) | 1988-06-10 |
ATA317981A (en) | 1987-11-15 |
SE446434B (en) | 1986-09-15 |
FR2486831A1 (en) | 1982-01-22 |
GB2081152A (en) | 1982-02-17 |
FR2486831B1 (en) | 1984-01-27 |
DE3128055C2 (en) | 1993-08-19 |
DE3128055A1 (en) | 1982-03-04 |
AU530920B2 (en) | 1983-08-04 |
AU7309781A (en) | 1982-04-08 |
IT8168001A0 (en) | 1981-07-17 |
GB2081152B (en) | 1984-11-07 |
SE8104419L (en) | 1982-01-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950729 |