JPS58173499U - drilling tool - Google Patents
drilling toolInfo
- Publication number
- JPS58173499U JPS58173499U JP6994182U JP6994182U JPS58173499U JP S58173499 U JPS58173499 U JP S58173499U JP 6994182 U JP6994182 U JP 6994182U JP 6994182 U JP6994182 U JP 6994182U JP S58173499 U JPS58173499 U JP S58173499U
- Authority
- JP
- Japan
- Prior art keywords
- drilling tool
- cutting edge
- tool body
- tool
- center
- 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.)
- Pending
Links
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は従来の穿孔状態を示す概略図、第2図は本考案
による実施例を示す半断面の正面図、第3図は本考案工
具による穿孔状態を示す概i図である。
1・・・本体、2・・・センターポンチ、3・・・スプ
リング、4・・・止めキャップ。FIG. 1 is a schematic diagram showing a conventional drilling state, FIG. 2 is a half-sectional front view showing an embodiment of the present invention, and FIG. 3 is a schematic diagram showing a drilling state using the tool of the present invention. 1...Body, 2...Center punch, 3...Spring, 4...Stopping cap.
Claims (1)
孔に嵌合され軸方向への摺動が自在であるとともに尖鋭
な先端部が前記切刃から突出可能なセンタ部材と、該セ
ンタ部材を突出方向に付勢するばね部材とによってなる
ことを特徴とする穿孔工具。A tool body having a circular cutting edge at the tip; a center member fitted into a center hole of the tool body and capable of sliding freely in the axial direction and having a sharp tip protruding from the cutting edge; 1. A drilling tool comprising a spring member that biases the member in a projecting direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6994182U JPS58173499U (en) | 1982-05-13 | 1982-05-13 | drilling tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6994182U JPS58173499U (en) | 1982-05-13 | 1982-05-13 | drilling tool |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58173499U true JPS58173499U (en) | 1983-11-19 |
Family
ID=30079640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6994182U Pending JPS58173499U (en) | 1982-05-13 | 1982-05-13 | drilling tool |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58173499U (en) |
-
1982
- 1982-05-13 JP JP6994182U patent/JPS58173499U/en active Pending
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