JPH0450488U - - Google Patents
Info
- Publication number
- JPH0450488U JPH0450488U JP6990990U JP6990990U JPH0450488U JP H0450488 U JPH0450488 U JP H0450488U JP 6990990 U JP6990990 U JP 6990990U JP 6990990 U JP6990990 U JP 6990990U JP H0450488 U JPH0450488 U JP H0450488U
- Authority
- JP
- Japan
- Prior art keywords
- grooves
- base metal
- soldering
- protrude
- fitting
- 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
- 239000010953 base metal Substances 0.000 claims 2
- 238000005476 soldering Methods 0.000 claims 1
Landscapes
- Earth Drilling (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Description
第１図は本考案の実施例をあらわすａ平面図、
ｂ一部断面正面図、ｃ側面図、第２図はアダプタ
の一部断面正面図、第３図は組立図、第４図およ
び第５図は使用法の説明図である。
４……ロツクビツト、１４……台金、１５……
刃体、１６……丸穴、１７……後端部、２０……
隆起部。
FIG. 1 is a plan view showing an embodiment of the present invention;
b is a partially sectional front view, c is a side view, FIG. 2 is a partially sectional front view of the adapter, FIG. 3 is an assembled view, and FIGS. 4 and 5 are explanatory views of how to use it. 4... Lock bit, 14... Base money, 15...
Blade body, 16... Round hole, 17... Rear end, 20...
ridge.
Claims (1)
中間位置に達する軸方向に沿う溝をそれぞれ形成
し、これら前後両側の溝に径方向に突出する超硬
チツプ製刃体をそれぞれ嵌合してろう接したこと
を特徴とするロツクビツト。 At both the front and rear ends of the cylindrical base metal, grooves are formed along the axial direction from each end face to the middle position of the base metal, and in these grooves on both the front and back sides, blades made of carbide chips are provided that protrude in the radial direction. A lock bit characterized by fitting and soldering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990069909U JP2527622Y2 (en) | 1990-06-29 | 1990-06-29 | Lock bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990069909U JP2527622Y2 (en) | 1990-06-29 | 1990-06-29 | Lock bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0450488U true JPH0450488U (en) | 1992-04-28 |
| JP2527622Y2 JP2527622Y2 (en) | 1997-03-05 |
Family
ID=31802461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990069909U Expired - Fee Related JP2527622Y2 (en) | 1990-06-29 | 1990-06-29 | Lock bit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2527622Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003082973A (en) * | 2001-09-05 | 2003-03-19 | Nisshoku Corp | Connection coupler of boring rod |
| JP2016069908A (en) * | 2014-09-30 | 2016-05-09 | 株式会社竹中土木 | Non-widening agf method and natural ground improvement structure by the same method as well as jig for use in the same method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6257791A (en) * | 1985-09-06 | 1987-03-13 | Mitsubishi Electric Corp | Laser beam machine |
| JPH0273494U (en) * | 1988-11-24 | 1990-06-05 |
-
1990
- 1990-06-29 JP JP1990069909U patent/JP2527622Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6257791A (en) * | 1985-09-06 | 1987-03-13 | Mitsubishi Electric Corp | Laser beam machine |
| JPH0273494U (en) * | 1988-11-24 | 1990-06-05 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003082973A (en) * | 2001-09-05 | 2003-03-19 | Nisshoku Corp | Connection coupler of boring rod |
| JP2016069908A (en) * | 2014-09-30 | 2016-05-09 | 株式会社竹中土木 | Non-widening agf method and natural ground improvement structure by the same method as well as jig for use in the same method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2527622Y2 (en) | 1997-03-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |