GB1195140A - An Improved Method and Apparatus for the Manufacture of Steel Tube. - Google Patents
An Improved Method and Apparatus for the Manufacture of Steel Tube.Info
- Publication number
- GB1195140A GB1195140A GB3630868A GB3630868A GB1195140A GB 1195140 A GB1195140 A GB 1195140A GB 3630868 A GB3630868 A GB 3630868A GB 3630868 A GB3630868 A GB 3630868A GB 1195140 A GB1195140 A GB 1195140A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mill
- pilgrim
- wall thickness
- mandrel
- rolling
- 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
- B21B21/00—Pilgrim-step tube-rolling, i.e. pilger mills
- B21B21/005—Pilgrim-step tube-rolling, i.e. pilger mills with reciprocating stand, e.g. driving the stand
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Heat Treatment Of Steel (AREA)
- Control Of Metal Rolling (AREA)
Abstract
1,195,140. Rolling. MANNESMANN-MEER A.G. 30 July, 1968 [29 Aug., 1967], No. 36308/68. Heading B3M. Steel tubes are manufactured by cold rolling tube blanks in respective pilgrim mills 5-8, annealing the tubes in a furnace 10, and then cold rolling them in a mill 12 in which their length is increased while their wall thickness is held constant. Each pilgrim mill 5-8 employs a pair of rolls and a tapered mandrel, whereas a final mill 12, which can include up to 20 stands, is used without a mandrel. To compensate for the increased wall thickness normally produced in the mill 12, the mandrel in each pilgrim mill can be moved at the beginning and end of rolling a blank, to produce a tube having decreased wall thickness at its ends. In an alternative mill arrangement, four pilgrim mills are served by two annealing furnaces.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEM0075362 | 1967-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1195140A true GB1195140A (en) | 1970-06-17 |
Family
ID=7316278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3630868A Expired GB1195140A (en) | 1967-08-29 | 1968-07-30 | An Improved Method and Apparatus for the Manufacture of Steel Tube. |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1561579A (en) |
| GB (1) | GB1195140A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2178353A (en) * | 1985-07-12 | 1987-02-11 | Kocks Technik | Rolling seamless tubes |
| EP2489445A1 (en) * | 2011-02-16 | 2012-08-22 | Sandvik Materials Technology Deutschland GmbH | Device with a number of cold rolling assemblies |
| CN103789522A (en) * | 2014-01-26 | 2014-05-14 | 重庆无缝管件厂 | Novel process for coldly rolling small-diameter stainless steel pipe |
-
1968
- 1968-03-29 FR FR1561579D patent/FR1561579A/fr not_active Expired
- 1968-07-30 GB GB3630868A patent/GB1195140A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2178353A (en) * | 1985-07-12 | 1987-02-11 | Kocks Technik | Rolling seamless tubes |
| EP2489445A1 (en) * | 2011-02-16 | 2012-08-22 | Sandvik Materials Technology Deutschland GmbH | Device with a number of cold rolling assemblies |
| US20120234072A1 (en) * | 2011-02-16 | 2012-09-20 | Sandvik Materials Technology Deutschland Gmbh | Apparatus having a plurality of cold rolling installations |
| US9649677B2 (en) * | 2011-02-16 | 2017-05-16 | Sandvik Materials Technology Deutschland Gmbh | Apparatus having a plurality of cold rolling installations |
| CN103789522A (en) * | 2014-01-26 | 2014-05-14 | 重庆无缝管件厂 | Novel process for coldly rolling small-diameter stainless steel pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1561579A (en) | 1969-03-28 |
| DE1602116A1 (en) | 1971-07-29 |
| DE1602116B2 (en) | 1973-02-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |