JPH0195304U - - Google Patents
Info
- Publication number
- JPH0195304U JPH0195304U JP19123487U JP19123487U JPH0195304U JP H0195304 U JPH0195304 U JP H0195304U JP 19123487 U JP19123487 U JP 19123487U JP 19123487 U JP19123487 U JP 19123487U JP H0195304 U JPH0195304 U JP H0195304U
- Authority
- JP
- Japan
- Prior art keywords
- chip
- diamond
- bit body
- view
- 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
- 229910003460 diamond Inorganic materials 0.000 claims description 7
- 239000010432 diamond Substances 0.000 claims description 7
- 238000005553 drilling Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 238000005219 brazing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Description
第１図は本考案のダイヤモンドコアービツトを
底面からみた斜視図、第２図は同底面図、第３図
は第２図の―矢視端面図、第４図は削孔中の
コンクリートの横断面図、第５図は本考案による
削孔中に障害が生じたときのダイヤモンドコアー
ビツト抜き取り作業の縦断面説明図、第６図は同
障害部分の拡大縦断面図、第７図は従来のダイヤ
モンドコアービツトの縦断面図、第８図は削孔中
の従来のダイヤモンドコアービツトの縦断面図で
ある。
１……ダイヤモンドチツプ、１ａ……チツプ、
１ｂ……チツプ、２……ビツト本体、２′……螺
着連結部、３……抜き取り用ジヤツキボルト、４
……コンクリート、５……鉄筋、５′……クサビ
状の鉄筋片、６……ろう付け部。
Figure 1 is a perspective view of the diamond core bit of the present invention seen from the bottom, Figure 2 is a bottom view of the same, Figure 3 is an end view of Figure 2 as seen from the - arrow, and Figure 4 is a cross section of concrete during drilling. 5 is a vertical cross-sectional explanatory diagram of the diamond core bit extraction operation when an obstacle occurs during drilling according to the present invention, FIG. 6 is an enlarged vertical cross-sectional view of the troubled part, and FIG. A vertical sectional view of a diamond core bit. FIG. 8 is a vertical sectional view of a conventional diamond core bit during drilling. 1...Diamond chip, 1a...Chip,
1b... Chip, 2... Bit body, 2'... Threaded connection part, 3... Extraction jack bolt, 4
...Concrete, 5...Reinforcement bar, 5'...Wedge-shaped piece of reinforcing bar, 6...Brazing part.
Claims (1)
ダイヤモンドチツプ１を、前記円筒の半径方向の
内側面が前記ビツト本体２の内面より若干突出し
たチツプ１ａと、突出しないチツプ１ｂとから構
成したことを特徴とするダイヤモンドコアービツ
ト。 A plurality of diamond chips 1 bonded to the tip of a cylindrical bit body 2 are composed of a chip 1a whose inner surface in the radial direction of the cylinder slightly protrudes from the inner surface of the bit body 2, and a chip 1b which does not protrude. A diamond core bit featuring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987191234U JPH061769Y2 (en) | 1987-12-16 | 1987-12-16 | Diamond core bits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987191234U JPH061769Y2 (en) | 1987-12-16 | 1987-12-16 | Diamond core bits |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0195304U true JPH0195304U (en) | 1989-06-23 |
| JPH061769Y2 JPH061769Y2 (en) | 1994-01-19 |
Family
ID=31482157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987191234U Expired - Lifetime JPH061769Y2 (en) | 1987-12-16 | 1987-12-16 | Diamond core bits |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH061769Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58113409U (en) * | 1982-01-28 | 1983-08-03 | 株式会社ミヤナガ | Rotating vibrating core drill for drilling bricks |
| JPS60201906A (en) * | 1984-03-26 | 1985-10-12 | ナニワ研磨工業株式会社 | Drilling drill |
-
1987
- 1987-12-16 JP JP1987191234U patent/JPH061769Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58113409U (en) * | 1982-01-28 | 1983-08-03 | 株式会社ミヤナガ | Rotating vibrating core drill for drilling bricks |
| JPS60201906A (en) * | 1984-03-26 | 1985-10-12 | ナニワ研磨工業株式会社 | Drilling drill |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH061769Y2 (en) | 1994-01-19 |
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