GB674741A - An improved method and means for use in the drawing of metal tubes, rods and the like - Google Patents
An improved method and means for use in the drawing of metal tubes, rods and the likeInfo
- Publication number
- GB674741A GB674741A GB3082749A GB3082749A GB674741A GB 674741 A GB674741 A GB 674741A GB 3082749 A GB3082749 A GB 3082749A GB 3082749 A GB3082749 A GB 3082749A GB 674741 A GB674741 A GB 674741A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dies
- carriage
- drawn
- rods
- metal tubes
- 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
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
Abstract
674,741. Drawing bars and tubes. T.I. (GROUP SERVICES), Ltd. Nov. 24, 1950 [Dec. 1, 1949], No. 30827/49. Class 83 (iv). In a method of drawing metal tubes, rods, &c. two or more dies are assembled on the tag or pulling pin at the forward end of the body to be drawn and are brought into operation successively. Three dies c, Fig. 1, on the tagged end i of a tube h to be drawn are supported in turn by removable inserts j in a die holder b during three successive operations of a drawing carriage e moving on rails a. Mandrels k on a carriage m are changed for each drawing operation. In a modification, Fig. 5 (not shown), a number of die holders b are spaced along the rails a at distances corresponding to the length of tube to be drawn so that the dies c are successively engaged during a single drawing pull of the carriage e. If mandrels are not used the dies may be so spaced that the second and successive dies are brought into operation before the work has passed through the preceding dies.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3082749A GB674741A (en) | 1949-12-01 | 1949-12-01 | An improved method and means for use in the drawing of metal tubes, rods and the like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3082749A GB674741A (en) | 1949-12-01 | 1949-12-01 | An improved method and means for use in the drawing of metal tubes, rods and the like |
Publications (1)
Publication Number | Publication Date |
---|---|
GB674741A true GB674741A (en) | 1952-07-02 |
Family
ID=10313747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3082749A Expired GB674741A (en) | 1949-12-01 | 1949-12-01 | An improved method and means for use in the drawing of metal tubes, rods and the like |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB674741A (en) |
-
1949
- 1949-12-01 GB GB3082749A patent/GB674741A/en not_active Expired
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