GB459109A - Device for holding drill bits during the forging and hardening or like operations - Google Patents
Device for holding drill bits during the forging and hardening or like operationsInfo
- Publication number
- GB459109A GB459109A GB1828136A GB1828136A GB459109A GB 459109 A GB459109 A GB 459109A GB 1828136 A GB1828136 A GB 1828136A GB 1828136 A GB1828136 A GB 1828136A GB 459109 A GB459109 A GB 459109A
- Authority
- GB
- United Kingdom
- Prior art keywords
- hardening
- rod
- drill bits
- hammering
- drill bit
- 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
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Forging (AREA)
Abstract
459,109. Holding tools. BEDFORD, R. A., Grange Farm, Stumperlowe, Sheffield. July 1, 1936, No. 18281. [Class 61 (ii)] A device for holding drill bits during forging, hardening, &c. of the kind described in Specification 439,440 comprising a tubular shank a with tapered spigot b to engage the tapered socket c of the drill bit d, a collar k near the tapered spigot with resilient fingers m for gripping the outside of the drill bit and a rod e slidable within the shank for dislodging the drill bit from the tapered spigot by hammering on the end of the rod is provided with a detachable hammering part or anvil g on the end of the rod screwed thereon and secured by a cross pin j, the anvil having a hollow extension h slidably guided on the end i of the tubular shank to prevent distortion of the rod when hammering on its end. Passages n, o, p are provided for the escape of fumes when the device is used for hardening drill bits by plunging them in quenching liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1828136A GB459109A (en) | 1936-07-01 | 1936-07-01 | Device for holding drill bits during the forging and hardening or like operations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1828136A GB459109A (en) | 1936-07-01 | 1936-07-01 | Device for holding drill bits during the forging and hardening or like operations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB459109A true GB459109A (en) | 1937-01-01 |
Family
ID=10109772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1828136A Expired GB459109A (en) | 1936-07-01 | 1936-07-01 | Device for holding drill bits during the forging and hardening or like operations |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB459109A (en) |
-
1936
- 1936-07-01 GB GB1828136A patent/GB459109A/en not_active Expired
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