JPH0470387U - - Google Patents
Info
- Publication number
- JPH0470387U JPH0470387U JP11015890U JP11015890U JPH0470387U JP H0470387 U JPH0470387 U JP H0470387U JP 11015890 U JP11015890 U JP 11015890U JP 11015890 U JP11015890 U JP 11015890U JP H0470387 U JPH0470387 U JP H0470387U
- Authority
- JP
- Japan
- Prior art keywords
- core material
- chisel
- sintering
- melting
- rock drill
- 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.)
- Pending
Links
- 239000011162 core material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000011435 rock Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 239000011707 mineral Substances 0.000 claims 1
- 238000005245 sintering Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Description
第１図は本考案に係る削岩機用鑿の一実施例を
示す縦断面図、第２図は第１図の矢視−図、
第３図はその使用時における摩耗の進行状態を示
す説明図である。 １……芯材、２……鋼材。
示す縦断面図、第２図は第１図の矢視−図、
第３図はその使用時における摩耗の進行状態を示
す説明図である。 １……芯材、２……鋼材。
Claims (1)
- 天然鉱物を高温で加熱し、焼結または溶融した
セラミツクより成形された超硬物質の芯材と、同
芯材の外周を囲繞する鋼材とより構成されたこと
を特徴とする削岩機用鑿。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11015890U JPH0470387U (ja) | 1990-10-23 | 1990-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11015890U JPH0470387U (ja) | 1990-10-23 | 1990-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0470387U true JPH0470387U (ja) | 1992-06-22 |
Family
ID=31857453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11015890U Pending JPH0470387U (ja) | 1990-10-23 | 1990-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0470387U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021205968A1 (ja) * | 2020-04-09 | 2021-10-14 | 株式会社小松製作所 | 耐摩耗部品 |
-
1990
- 1990-10-23 JP JP11015890U patent/JPH0470387U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021205968A1 (ja) * | 2020-04-09 | 2021-10-14 | 株式会社小松製作所 | 耐摩耗部品 |
| CN115335573A (zh) * | 2020-04-09 | 2022-11-11 | 株式会社小松制作所 | 耐磨耗部件 |