JPS58145393U - Reinforced concrete drilling bit - Google Patents
Reinforced concrete drilling bitInfo
- Publication number
- JPS58145393U JPS58145393U JP4122082U JP4122082U JPS58145393U JP S58145393 U JPS58145393 U JP S58145393U JP 4122082 U JP4122082 U JP 4122082U JP 4122082 U JP4122082 U JP 4122082U JP S58145393 U JPS58145393 U JP S58145393U
- Authority
- JP
- Japan
- Prior art keywords
- reinforced concrete
- drilling bit
- concrete drilling
- cutting edge
- 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.)
- Granted
Links
Landscapes
- Earth Drilling (AREA)
- Working Measures On Existing Buildindgs (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図イ、用よ従来のロックビットを示す側面図及び正
面図、第2図イ1口は本考案による一実施例を示すロッ
クビットの側面図及び正面図、第3図イ9口に本考案に
よる他の実施例を示すロックビットの側面図及び正面図
である。
10・・田ツクビットボデー、11.12・・・力゛ン
テイングエツジ、13・・・サイドホール。Figure 1A is a side view and front view showing a conventional lock bit; Figure 2A is a side view and front view of a lock bit showing an embodiment of the present invention; Figure 3A is a side view and front view showing a conventional lock bit. FIG. 7 is a side view and a front view of a lock bit showing another embodiment of the present invention. 10...Touch bit body, 11.12...Force bearing edge, 13...Side hole.
Claims (1)
において、ビットポデー先端に超硬合金のカッティング
エツジを形成し、上記カッティングエツジの切先角を所
定の角度に形成するとともに、カッティングエツジの刃
先を所定のR又は平担としたことを特徴とする鉄筋コン
クリート穿孔用ビット。For bits with four or more blades for drilling into reinforced concrete structures, a cutting edge of cemented carbide is formed at the tip of the bit pod, and the cutting edge of the cutting edge is formed at a predetermined angle. A reinforced concrete drilling bit characterized by being rounded or flat.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4122082U JPS58145393U (en) | 1982-03-24 | 1982-03-24 | Reinforced concrete drilling bit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4122082U JPS58145393U (en) | 1982-03-24 | 1982-03-24 | Reinforced concrete drilling bit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58145393U true JPS58145393U (en) | 1983-09-30 |
JPS636313Y2 JPS636313Y2 (en) | 1988-02-22 |
Family
ID=30052405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4122082U Granted JPS58145393U (en) | 1982-03-24 | 1982-03-24 | Reinforced concrete drilling bit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58145393U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100278577B1 (en) * | 1998-06-18 | 2001-01-15 | 송성환 | Polygonal Universal Bits for Rock Drills |
JP2013209828A (en) * | 2012-03-30 | 2013-10-10 | Osaka Bosui Constr Co Ltd | Tip bit and drilling apparatus |
-
1982
- 1982-03-24 JP JP4122082U patent/JPS58145393U/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100278577B1 (en) * | 1998-06-18 | 2001-01-15 | 송성환 | Polygonal Universal Bits for Rock Drills |
JP2013209828A (en) * | 2012-03-30 | 2013-10-10 | Osaka Bosui Constr Co Ltd | Tip bit and drilling apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPS636313Y2 (en) | 1988-02-22 |
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