JPH0450491U - - Google Patents
Info
- Publication number
- JPH0450491U JPH0450491U JP9225690U JP9225690U JPH0450491U JP H0450491 U JPH0450491 U JP H0450491U JP 9225690 U JP9225690 U JP 9225690U JP 9225690 U JP9225690 U JP 9225690U JP H0450491 U JPH0450491 U JP H0450491U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- cutting edge
- mounting hole
- cutter bit
- excavation
- 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
- 238000005553 drilling Methods 0.000 claims description 5
- 238000009412 basement excavation Methods 0.000 claims 3
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Description
第１図は、本考案カツタービツトの一実施例を
示す正面図、第２図は、その平面図、第３図は、
その側面図、第４図は、別の実施例を示す正面図
、第５図は、その平面図、第６図は、その側面図
である。
１……カツタービツト、２……シヤンク部分、
３……掘削チツプ、４……ヘツド部分、５……取
付け穴、６……掘削すくい面、７……先端逃げ面
、８……先端掘削稜、９……外殻チツプ。
Fig. 1 is a front view showing an embodiment of the inventive cutter bit, Fig. 2 is a plan view thereof, and Fig. 3 is a
4 is a front view showing another embodiment, FIG. 5 is a plan view thereof, and FIG. 6 is a side view thereof. 1... cutter bit, 2... shank part,
3...Drilling tip, 4...Head portion, 5...Mounting hole, 6...Drilling rake surface, 7...Tip flank surface, 8...Tip drilling ridge, 9...Outer shell tip.
Claims (1)
たヘツド部分４からなるカツタービツトにおいて
、 前記ヘツド部分４の端部には、斜上方から取付
け穴５が穿設されており、 前記掘削チツプ３は、前記取付け穴５内に位置
する埋込み部分３ａおよび取付け穴５から突出し
てヘツド部分４の幅と略等しくしたフランジ状の
刃先部分３ｂからなり、しかもこの刃先部分３ｂ
には、Ｖ字突起を構成する掘削すくい面６および
この掘削すくい面６に対し、交差して先端掘削稜
８を構成する先端逃げ面７が形成されていること
を特徴とするカツタービツト。 (2) 掘削チツプ３は、埋込み部分３ａと同径の
刃先部分３ｂを有し、この刃先部分３ｂを囲むよ
うに外殻チツプ９が位置している請求項１記載の
カツタービツト。[Claims for Utility Model Registration] (1) A cutter bit consisting of a shank portion 2 and a head portion 4 equipped with a drilling tip 3, in which a mounting hole 5 is bored diagonally from above at the end of the head portion 4. The drilling tip 3 consists of an embedded part 3a located in the mounting hole 5 and a flange-shaped cutting edge part 3b protruding from the mounting hole 5 and having a width substantially equal to the width of the head part 4, and furthermore, this cutting edge part 3b
The cutter bit is characterized in that an excavation rake face 6 forming a V-shaped protrusion and a tip flank face 7 intersecting with the excavation rake face 6 and forming a tip excavation ridge 8 are formed. (2) The cutter bit according to claim 1, wherein the excavating tip 3 has a cutting edge portion 3b having the same diameter as the embedded portion 3a, and the outer shell tip 9 is positioned so as to surround this cutting edge portion 3b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9225690U JP2508131Y2 (en) | 1990-08-31 | 1990-08-31 | Cutter bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9225690U JP2508131Y2 (en) | 1990-08-31 | 1990-08-31 | Cutter bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0450491U true JPH0450491U (en) | 1992-04-28 |
| JP2508131Y2 JP2508131Y2 (en) | 1996-08-21 |
Family
ID=31828569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9225690U Expired - Lifetime JP2508131Y2 (en) | 1990-08-31 | 1990-08-31 | Cutter bit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2508131Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013159891A (en) * | 2012-02-01 | 2013-08-19 | Takashi Matsuyama | Cutter bit and method for separating cemented carbide chip of cutter bit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6350510B2 (en) | 2015-12-24 | 2018-07-04 | 株式会社村田製作所 | Surface acoustic wave device |
-
1990
- 1990-08-31 JP JP9225690U patent/JP2508131Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013159891A (en) * | 2012-02-01 | 2013-08-19 | Takashi Matsuyama | Cutter bit and method for separating cemented carbide chip of cutter bit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2508131Y2 (en) | 1996-08-21 |
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