JPH0332682U - - Google Patents
Info
- Publication number
- JPH0332682U JPH0332682U JP9333489U JP9333489U JPH0332682U JP H0332682 U JPH0332682 U JP H0332682U JP 9333489 U JP9333489 U JP 9333489U JP 9333489 U JP9333489 U JP 9333489U JP H0332682 U JPH0332682 U JP H0332682U
- Authority
- JP
- Japan
- Prior art keywords
- button
- bit body
- bit
- mounting
- tip
- 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)
Description
第１図は本考案の第１実施例を示す断面図、第
２図は本考案の第２実施例を示す断面図である。
１……台金（ビツト本体）、２，６……装着孔
、３，５……ボタンチツプ、４，７……軟質金属
板。
FIG. 1 is a cross-sectional view showing a first embodiment of the present invention, and FIG. 2 is a cross-sectional view showing a second embodiment of the present invention. 1... Base metal (bit body), 2, 6... Mounting hole, 3, 5... Button chip, 4, 7... Soft metal plate.
Claims (1)
てなるボタンビツトにおいて、上記ビツト本体に
形成されたボタンチツプ装着用の装着孔の底部に
軟質金属が設けられたことを特徴とするボタンビ
ツト。 A button bit comprising a button chip implanted in the tip of a bit body, characterized in that a soft metal is provided at the bottom of a mounting hole for mounting the button chip formed in the bit body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989093334U JPH0724472Y2 (en) | 1989-08-08 | 1989-08-08 | Button bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989093334U JPH0724472Y2 (en) | 1989-08-08 | 1989-08-08 | Button bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0332682U true JPH0332682U (en) | 1991-03-29 |
| JPH0724472Y2 JPH0724472Y2 (en) | 1995-06-05 |
Family
ID=31642723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989093334U Expired - Lifetime JPH0724472Y2 (en) | 1989-08-08 | 1989-08-08 | Button bit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0724472Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002254040A (en) * | 2001-02-28 | 2002-09-10 | Shibuya Kogyo Co Ltd | Wash exfoliation device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3970158A (en) * | 1975-04-28 | 1976-07-20 | Hughes Tool Company | Tooth loading for earth boring bits |
| JPS61225488A (en) * | 1985-03-29 | 1986-10-07 | 三菱マテリアル株式会社 | button bit |
| JPS63109920A (en) * | 1986-10-25 | 1988-05-14 | Kazuma Tanaka | Manufacture of chisel containing core material |
| JPH0373430A (en) * | 1989-08-14 | 1991-03-28 | Asahi Chem Ind Co Ltd | Optical recording medium |
-
1989
- 1989-08-08 JP JP1989093334U patent/JPH0724472Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3970158A (en) * | 1975-04-28 | 1976-07-20 | Hughes Tool Company | Tooth loading for earth boring bits |
| JPS61225488A (en) * | 1985-03-29 | 1986-10-07 | 三菱マテリアル株式会社 | button bit |
| JPS63109920A (en) * | 1986-10-25 | 1988-05-14 | Kazuma Tanaka | Manufacture of chisel containing core material |
| JPH0373430A (en) * | 1989-08-14 | 1991-03-28 | Asahi Chem Ind Co Ltd | Optical recording medium |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002254040A (en) * | 2001-02-28 | 2002-09-10 | Shibuya Kogyo Co Ltd | Wash exfoliation device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0724472Y2 (en) | 1995-06-05 |