GB496150A - Improvements relating to the production of seamless tubes - Google Patents
Improvements relating to the production of seamless tubesInfo
- Publication number
- GB496150A GB496150A GB22366/37A GB2236637A GB496150A GB 496150 A GB496150 A GB 496150A GB 22366/37 A GB22366/37 A GB 22366/37A GB 2236637 A GB2236637 A GB 2236637A GB 496150 A GB496150 A GB 496150A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mandrel
- rod
- tube
- ring
- fork
- 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
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C45/00—Separating mandrels from work or vice versa
Abstract
496,150. Making tubes. DEMAG AKT.- GES. Aug. 14, 1937, No. 22366. Convention date, Aug. 15, 1936. [Class 83 (iv)] Rolling ; cupping.-After pushing a tube billet on a mandrel through ring dies 4 or rolls, the return stroke of the rack 1 acts both to free the end 9 of the mandrel rod 6 from the recess 10 of the rack 1 whereby the fork 5 engages the collar 8 of the mandrel rod to strip the tube against a divided ring 14, the mandrel and rod so resting in the fork 5 and retained by the guide where it can be removed and replaced by a fresh cool mandrel and rod. The last die ring or roll pass may be oval to partly free the tube from the mandrel.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE496150X | 1936-08-15 | ||
DED73323D DE735619C (en) | 1936-08-15 | 1936-08-16 | Procedure for operating pipe shock supports |
Publications (1)
Publication Number | Publication Date |
---|---|
GB496150A true GB496150A (en) | 1938-11-25 |
Family
ID=25944688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22366/37A Expired GB496150A (en) | 1936-08-15 | 1937-08-14 | Improvements relating to the production of seamless tubes |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE735619C (en) |
GB (1) | GB496150A (en) |
-
1936
- 1936-08-16 DE DED73323D patent/DE735619C/en not_active Expired
-
1937
- 1937-08-14 GB GB22366/37A patent/GB496150A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE735619C (en) | 1943-05-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB496150A (en) | Improvements relating to the production of seamless tubes | |
GB445248A (en) | Process for the manufacture of seamless metal tubes | |
GB432718A (en) | Improvements in and relating to high pressure gas cylinders | |
GB778422A (en) | Manufacture of steel or other metal tubes | |
GB1349553A (en) | Production of seamless metal tubes | |
GB374934A (en) | Improvements in or relating to the manufacture of metal tubes | |
GB389006A (en) | Improvements in or relating to the manufacture of metal articles by extrusion | |
GB402317A (en) | Apparatus for marking tubes, rods, bars or the like during manufacture | |
GB561900A (en) | Improvements relating to the upsetting of metal tubes, rods or the like | |
GB461940A (en) | Improvements in or relating to the production of poppet valves | |
GB414459A (en) | Improvements in and relating to methods of and apparatus for the production of seamless tubes and the like | |
GB469931A (en) | Improvements in and relating to processes for rolling tubes | |
GB506597A (en) | Improvements relating to the production of metal tubes in inclined rolling mills | |
GB449420A (en) | Improvements relating to the manufacture of hollow metal articles such as tubes | |
GB195013A (en) | Improvements in and relating to extrusion presses for the production of metal tubes | |
GB230594A (en) | Improvements in, and apparatus for, the manufacture of metal tubes and other tubular articles | |
GB257887A (en) | Improvements in hydraulic presses for the extrusion of seamless tubes | |
GB487573A (en) | Tube push bench | |
GB737722A (en) | Improvements relating to tubes with external longitudinal ribs | |
GB432685A (en) | Improvements in or relating to metal tube and bar stock extrusion presses | |
GB396841A (en) | Improvements in or relating to mandrels for use in making metal tubes | |
GB547951A (en) | Improvements in or relating to presses for making metal tubular blanks or hollows | |
GB765799A (en) | Manufacture of tubes | |
GB715643A (en) | Improvements relating to the manufacture of seamless tubes | |
GB727334A (en) | Improvements in and relating to the production of seamless tubes |