GB434383A - Improvements relating to hammer drills - Google Patents
Improvements relating to hammer drillsInfo
- Publication number
- GB434383A GB434383A GB1980934A GB1980934A GB434383A GB 434383 A GB434383 A GB 434383A GB 1980934 A GB1980934 A GB 1980934A GB 1980934 A GB1980934 A GB 1980934A GB 434383 A GB434383 A GB 434383A
- Authority
- GB
- United Kingdom
- Prior art keywords
- improvements relating
- hammer drills
- drill
- drills
- greenwich
- 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
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/02—Twist drills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/006—Conical shanks of tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2231/00—Details of chucks, toolholder shanks or tool shanks
- B23B2231/02—Features of shanks of tools not relating to the operation performed by the tool
- B23B2231/0204—Connection of shanks to working elements of tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/02—Connections between shanks and removable cutting heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/24—Overall form of drilling tools
- B23B2251/247—Drilling tools having a working portion at both ends of the shank
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2260/00—Details of constructional elements
- B23B2260/026—Bushings, e.g. adapter sleeves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Abstract
434,383. Percussive drills. BRUSH, A. P., Greenwich, Connecticut, U.S.A. July 5, 1934, No. 19809. [Class 124] A drill bit has chisel cutting edges 37 formed on each end, the end not in use being received into a split holder. In a modification the drill is formed with portions of different diameters at each end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1980934A GB434383A (en) | 1934-07-05 | 1934-07-05 | Improvements relating to hammer drills |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1980934A GB434383A (en) | 1934-07-05 | 1934-07-05 | Improvements relating to hammer drills |
Publications (1)
Publication Number | Publication Date |
---|---|
GB434383A true GB434383A (en) | 1935-08-30 |
Family
ID=10135580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1980934A Expired GB434383A (en) | 1934-07-05 | 1934-07-05 | Improvements relating to hammer drills |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB434383A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005018856A1 (en) | 2003-08-13 | 2005-03-03 | Kennametal Inc. | Drilling tool |
EP1518627A2 (en) * | 2003-09-25 | 2005-03-30 | Manfred Schwegler Werkzeugfabrik | Drill and clamping sleeve |
-
1934
- 1934-07-05 GB GB1980934A patent/GB434383A/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005018856A1 (en) | 2003-08-13 | 2005-03-03 | Kennametal Inc. | Drilling tool |
JP2007501719A (en) * | 2003-08-13 | 2007-02-01 | ケンナメタル インコーポレイテッド | Drilling tool |
US7364390B2 (en) | 2003-08-13 | 2008-04-29 | Kennametal Inc. | Drilling tool |
CN100503104C (en) * | 2003-08-13 | 2009-06-24 | 钴碳化钨硬质合金公司 | Drilling tool, drilling tool set comprising same and drilling device |
JP4824557B2 (en) * | 2003-08-13 | 2011-11-30 | ケンナメタル インコーポレイテッド | Drilling tools and equipment and sets of drilling tools |
EP1518627A2 (en) * | 2003-09-25 | 2005-03-30 | Manfred Schwegler Werkzeugfabrik | Drill and clamping sleeve |
EP1518627A3 (en) * | 2003-09-25 | 2005-04-06 | Manfred Schwegler Werkzeugfabrik | Drill and clamping sleeve |
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