RU2012101167A - WASHING UNIT FOR DRILL BIT - Google Patents
WASHING UNIT FOR DRILL BIT Download PDFInfo
- Publication number
- RU2012101167A RU2012101167A RU2012101167/03A RU2012101167A RU2012101167A RU 2012101167 A RU2012101167 A RU 2012101167A RU 2012101167/03 A RU2012101167/03 A RU 2012101167/03A RU 2012101167 A RU2012101167 A RU 2012101167A RU 2012101167 A RU2012101167 A RU 2012101167A
- Authority
- RU
- Russia
- Prior art keywords
- drill bit
- housing
- locking
- hole
- channels
- Prior art date
Links
Landscapes
- Earth Drilling (AREA)
Abstract
Промывочный узел для бурового долота, включающий каналы для подвода к забою промывочной жидкости, гнезда на выходе из каналов для размещения износостойких насадок с герметизирующими и стопорными элементами, отличающийся тем, что стопорный элемент выполнен в виде штифта, один конец которого имеет резьбу и завинчен в ответное отверстие в корпусе в зоне стенки гнезда под торцем или торцевым уступом насадки, запирая ее; другой конец штифта выступает из отверстия и загнут до поверхности упорного паза на поверхности корпуса под углом α≥25°.A flushing unit for a drill bit, including channels for supplying flushing fluid to the bottom, sockets at the outlet of the channels for accommodating wear-resistant nozzles with sealing and locking elements, characterized in that the locking element is made in the form of a pin, one end of which is threaded and screwed in response a hole in the housing in the area of the wall of the socket under the end or end ledge of the nozzle, locking it; the other end of the pin protrudes from the hole and is bent to the surface of the stop groove on the surface of the housing at an angle α≥25 °.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2012101167/03A RU2494218C2 (en) | 2012-01-11 | 2012-01-11 | Flushing unit for drilling bit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2012101167/03A RU2494218C2 (en) | 2012-01-11 | 2012-01-11 | Flushing unit for drilling bit |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2012101167A true RU2012101167A (en) | 2013-07-20 |
RU2494218C2 RU2494218C2 (en) | 2013-09-27 |
Family
ID=48791666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2012101167/03A RU2494218C2 (en) | 2012-01-11 | 2012-01-11 | Flushing unit for drilling bit |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2494218C2 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3084751A (en) * | 1960-04-29 | 1963-04-09 | Dresser Ind | Drill bit nozzle |
US3220754A (en) * | 1963-08-26 | 1965-11-30 | Christensen Diamond Prod Co | Replaceable drill bit nozzles |
SU973780A1 (en) * | 1977-06-22 | 1982-11-15 | За витель | Flushing unit of drill bit |
SU1652499A1 (en) * | 1988-04-07 | 1991-05-30 | Всесоюзный Научно-Исследовательский Институт Экономики Минерального Сырья И Геологоразведочных Работ | Drilling bit flushing device |
RU2351736C1 (en) * | 2007-09-28 | 2009-04-10 | Николай Митрофанович Панин | Washing unit of drilling bit |
-
2012
- 2012-01-11 RU RU2012101167/03A patent/RU2494218C2/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
RU2494218C2 (en) | 2013-09-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC41 | Official registration of the transfer of exclusive right |
Effective date: 20160930 |
|
MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20200112 |