GB450023A - Method of, and dies for, forging or sharpening the ends of drill rods for rock and like drilling machines - Google Patents
Method of, and dies for, forging or sharpening the ends of drill rods for rock and like drilling machinesInfo
- Publication number
- GB450023A GB450023A GB67435A GB67435A GB450023A GB 450023 A GB450023 A GB 450023A GB 67435 A GB67435 A GB 67435A GB 67435 A GB67435 A GB 67435A GB 450023 A GB450023 A GB 450023A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dies
- forging
- sharpening
- rock
- drill rods
- 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
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K5/00—Making tools or tool parts, e.g. pliers
- B21K5/02—Making tools or tool parts, e.g. pliers drilling-tools or other for making or working on holes
- B21K5/06—Dressing, e.g. sharpening rock drills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
450,023. Forging - dies. BEDFORD, R. A., Grange Farm, Stumperlowe, Sheffield. Jan. 8, 1935, No. 674. [Class 83 (iv)] In making or resharpening r o c k drills in which the work in a heated condition is gripped between shaped dies and engaged by a reciprocating dolly, the dies a, b, Figs. 2 and 3, are provided with projections or nibs k which bite into the work and prevent axial movement under the blows of the dolly.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB67435A GB450023A (en) | 1935-01-08 | 1935-01-08 | Method of, and dies for, forging or sharpening the ends of drill rods for rock and like drilling machines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB67435A GB450023A (en) | 1935-01-08 | 1935-01-08 | Method of, and dies for, forging or sharpening the ends of drill rods for rock and like drilling machines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB450023A true GB450023A (en) | 1936-07-08 |
Family
ID=9708538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB67435A Expired GB450023A (en) | 1935-01-08 | 1935-01-08 | Method of, and dies for, forging or sharpening the ends of drill rods for rock and like drilling machines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB450023A (en) |
-
1935
- 1935-01-08 GB GB67435A patent/GB450023A/en not_active Expired
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