CA1236083A - Marteau piqueur, et ses elements - Google Patents
Marteau piqueur, et ses elementsInfo
- Publication number
- CA1236083A CA1236083A CA000477688A CA477688A CA1236083A CA 1236083 A CA1236083 A CA 1236083A CA 000477688 A CA000477688 A CA 000477688A CA 477688 A CA477688 A CA 477688A CA 1236083 A CA1236083 A CA 1236083A
- Authority
- CA
- Canada
- Prior art keywords
- lowermost
- cutting
- extending
- drill bit
- central opening
- 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
- 238000005520 cutting process Methods 0.000 claims abstract description 67
- 230000002093 peripheral effect Effects 0.000 claims description 22
- 230000036346 tooth eruption Effects 0.000 claims description 13
- 238000005553 drilling Methods 0.000 claims description 11
- 238000011084 recovery Methods 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 239000000543 intermediate Substances 0.000 claims 18
- 239000012530 fluid Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000035939 shock Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 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
- 241000282979 Alces alces Species 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 241000272470 Circus Species 0.000 description 1
- 208000036366 Sensation of pressure Diseases 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US59583884A | 1984-04-02 | 1984-04-02 | |
| US595,838 | 1984-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1236083A true CA1236083A (fr) | 1988-05-03 |
Family
ID=24384884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000477688A Expired CA1236083A (fr) | 1984-04-02 | 1985-03-27 | Marteau piqueur, et ses elements |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1236083A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2404889A (en) * | 2003-08-12 | 2005-02-16 | Black & Decker Inc | A cutting plate for a drill bit |
-
1985
- 1985-03-27 CA CA000477688A patent/CA1236083A/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2404889A (en) * | 2003-08-12 | 2005-02-16 | Black & Decker Inc | A cutting plate for a drill bit |
| US7225890B2 (en) | 2003-08-12 | 2007-06-05 | Black & Decker Inc. | Cutting plate for a drill bit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |