JPS6160235B2 - - Google Patents
Info
- Publication number
- JPS6160235B2 JPS6160235B2 JP17062883A JP17062883A JPS6160235B2 JP S6160235 B2 JPS6160235 B2 JP S6160235B2 JP 17062883 A JP17062883 A JP 17062883A JP 17062883 A JP17062883 A JP 17062883A JP S6160235 B2 JPS6160235 B2 JP S6160235B2
- Authority
- JP
- Japan
- Prior art keywords
- insert
- cutting edge
- bit
- inserts
- cutter 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.)
- Expired
Links
- 239000000463 material Substances 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 239000003245 coal Substances 0.000 description 14
- 229910052500 inorganic mineral Inorganic materials 0.000 description 10
- 239000011707 mineral Substances 0.000 description 10
- 235000010755 mineral Nutrition 0.000 description 10
- 238000005065 mining Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 238000005755 formation reaction Methods 0.000 description 4
- 238000004227 thermal cracking Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000032544 Cicatrix Diseases 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 241001625808 Trona Species 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005552 hardfacing Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Landscapes
- Earth Drilling (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US42431182A | 1982-09-17 | 1982-09-17 | |
US424311 | 1982-09-17 | ||
US524350 | 1983-08-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5972397A JPS5972397A (ja) | 1984-04-24 |
JPS6160235B2 true JPS6160235B2 (xx) | 1986-12-19 |
Family
ID=23682180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17062883A Granted JPS5972397A (ja) | 1982-09-17 | 1983-09-17 | 多重インサ−トカツタビツト |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5972397A (xx) |
CA (1) | CA1242463A (xx) |
IN (1) | IN160174B (xx) |
MX (1) | MX157916A (xx) |
ZA (1) | ZA836826B (xx) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8418481D0 (en) * | 1984-07-19 | 1984-08-22 | Nl Petroleum Prod | Rotary drill bits |
JPH01164386U (xx) * | 1988-05-10 | 1989-11-16 | ||
JPH02125008U (xx) * | 1989-03-22 | 1990-10-15 | ||
JPH0750473Y2 (ja) * | 1990-08-22 | 1995-11-15 | 東芝タンガロイ株式会社 | コニカルビット |
JP4622117B2 (ja) * | 2001-02-20 | 2011-02-02 | 株式会社タンガロイ | シールド掘削機用ビット |
-
1983
- 1983-09-05 IN IN605/DEL/83A patent/IN160174B/en unknown
- 1983-09-12 MX MX19868283A patent/MX157916A/es unknown
- 1983-09-14 ZA ZA836826A patent/ZA836826B/xx unknown
- 1983-09-16 CA CA000436921A patent/CA1242463A/en not_active Expired
- 1983-09-17 JP JP17062883A patent/JPS5972397A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
IN160174B (xx) | 1987-06-27 |
CA1242463A (en) | 1988-09-27 |
JPS5972397A (ja) | 1984-04-24 |
ZA836826B (en) | 1984-10-31 |
MX157916A (es) | 1988-12-19 |
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