GB166867A - An improved percussion tool - Google Patents
An improved percussion toolInfo
- Publication number
- GB166867A GB166867A GB1431621A GB1431621A GB166867A GB 166867 A GB166867 A GB 166867A GB 1431621 A GB1431621 A GB 1431621A GB 1431621 A GB1431621 A GB 1431621A GB 166867 A GB166867 A GB 166867A
- Authority
- GB
- United Kingdom
- Prior art keywords
- percussion tool
- improved percussion
- tool
- improved
- rawlplug
- 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
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
- B28D1/146—Tools therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Food-Manufacturing Devices (AREA)
Abstract
166,867. Rawlings, J. J., and Rawlplug Co., Ltd. May 23, 1921. Percussive drills.-A tool for use in drilling holes in stone &c., particularly small holes for receiving plugs, consists of a triangular or grooved steel rod A projecting at its rear end beyond a handle B of wood or other material, fixed by glue or otherwise.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1431621A GB166867A (en) | 1921-05-23 | 1921-05-23 | An improved percussion tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1431621A GB166867A (en) | 1921-05-23 | 1921-05-23 | An improved percussion tool |
Publications (1)
Publication Number | Publication Date |
---|---|
GB166867A true GB166867A (en) | 1921-07-28 |
Family
ID=10038976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1431621A Expired GB166867A (en) | 1921-05-23 | 1921-05-23 | An improved percussion tool |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB166867A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3856107A (en) * | 1970-01-21 | 1974-12-24 | Adams R | Tools for use in percussive machines |
-
1921
- 1921-05-23 GB GB1431621A patent/GB166867A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3856107A (en) * | 1970-01-21 | 1974-12-24 | Adams R | Tools for use in percussive machines |
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