EP3279425A4 - Outil d'excavation - Google Patents
Outil d'excavation Download PDFInfo
- Publication number
- EP3279425A4 EP3279425A4 EP16772760.1A EP16772760A EP3279425A4 EP 3279425 A4 EP3279425 A4 EP 3279425A4 EP 16772760 A EP16772760 A EP 16772760A EP 3279425 A4 EP3279425 A4 EP 3279425A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- excavation tool
- excavation
- tool
- 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.)
- Ceased
Links
- 238000009412 basement excavation Methods 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/56—Button-type inserts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Percussive Tools And Related Accessories (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015077026A JP6606848B2 (ja) | 2015-04-03 | 2015-04-03 | 掘削工具 |
PCT/JP2016/059972 WO2016158879A1 (fr) | 2015-04-03 | 2016-03-28 | Outil d'excavation |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3279425A1 EP3279425A1 (fr) | 2018-02-07 |
EP3279425A4 true EP3279425A4 (fr) | 2018-10-24 |
Family
ID=57007139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16772760.1A Ceased EP3279425A4 (fr) | 2015-04-03 | 2016-03-28 | Outil d'excavation |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3279425A4 (fr) |
JP (1) | JP6606848B2 (fr) |
RU (1) | RU2017134039A (fr) |
WO (1) | WO2016158879A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2022071528A (ja) * | 2020-10-28 | 2022-05-16 | Mmcリョウテック株式会社 | 掘削ビット |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4771834A (en) * | 1985-03-20 | 1988-09-20 | Siegfried Treitz | Percussion drill bit for rock perforators |
FR2646875A1 (fr) * | 1989-05-11 | 1990-11-16 | Matieres Nucleaires Cie Genera | Taillant roto-percutant de forage a elements d'attaque ultra-durs |
JPH05141170A (ja) * | 1991-11-05 | 1993-06-08 | Mitsubishi Materials Corp | 掘削工具 |
US20080135308A1 (en) * | 2006-11-29 | 2008-06-12 | Sandvik Intellectual Property Ab | Button bit |
US20120267173A1 (en) * | 2011-04-25 | 2012-10-25 | Jones Mark L | Drill bit for boring earth and other hard materials |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60210382A (ja) * | 1984-04-03 | 1985-10-22 | Sumitomo Electric Ind Ltd | 複合焼結体工具の製造方法 |
JP4036728B2 (ja) * | 2002-11-05 | 2008-01-23 | 岡部株式会社 | 自穿孔ロックボルト用穿孔ビットおよびこれを用いた自穿孔ロックボルト |
-
2015
- 2015-04-03 JP JP2015077026A patent/JP6606848B2/ja active Active
-
2016
- 2016-03-28 RU RU2017134039A patent/RU2017134039A/ru not_active Application Discontinuation
- 2016-03-28 WO PCT/JP2016/059972 patent/WO2016158879A1/fr active Application Filing
- 2016-03-28 EP EP16772760.1A patent/EP3279425A4/fr not_active Ceased
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4771834A (en) * | 1985-03-20 | 1988-09-20 | Siegfried Treitz | Percussion drill bit for rock perforators |
FR2646875A1 (fr) * | 1989-05-11 | 1990-11-16 | Matieres Nucleaires Cie Genera | Taillant roto-percutant de forage a elements d'attaque ultra-durs |
JPH05141170A (ja) * | 1991-11-05 | 1993-06-08 | Mitsubishi Materials Corp | 掘削工具 |
US20080135308A1 (en) * | 2006-11-29 | 2008-06-12 | Sandvik Intellectual Property Ab | Button bit |
US20120267173A1 (en) * | 2011-04-25 | 2012-10-25 | Jones Mark L | Drill bit for boring earth and other hard materials |
Non-Patent Citations (1)
Title |
---|
See also references of WO2016158879A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2016196764A (ja) | 2016-11-24 |
WO2016158879A1 (fr) | 2016-10-06 |
EP3279425A1 (fr) | 2018-02-07 |
RU2017134039A (ru) | 2019-05-06 |
JP6606848B2 (ja) | 2019-11-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20170921 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20180925 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: E21B 10/56 20060101AFI20180919BHEP Ipc: E21B 10/60 20060101ALI20180919BHEP |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: MITSUBISHI MATERIALS CORPORATION |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20200409 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R003 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED |
|
18R | Application refused |
Effective date: 20220930 |