SE400346B - Backventil for bergborrar - Google Patents
Backventil for bergborrarInfo
- Publication number
- SE400346B SE400346B SE7706028A SE7706028A SE400346B SE 400346 B SE400346 B SE 400346B SE 7706028 A SE7706028 A SE 7706028A SE 7706028 A SE7706028 A SE 7706028A SE 400346 B SE400346 B SE 400346B
- Authority
- SE
- Sweden
- Prior art keywords
- rear valve
- rock drills
- drills
- rock
- valve
- Prior art date
Links
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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7837—Direct response valves [i.e., check valve type]
- Y10T137/7904—Reciprocating valves
- Y10T137/7922—Spring biased
- Y10T137/7929—Spring coaxial with valve
- Y10T137/7931—Spring in inlet
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/794—With means for separating solid material from the fluid
- Y10T137/8085—Hollow strainer, fluid inlet and outlet perpendicular to each other
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)
- Details Of Valves (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7706028A SE400346B (sv) | 1977-05-24 | 1977-05-24 | Backventil for bergborrar |
ZA00782192A ZA782192B (en) | 1977-05-24 | 1978-04-17 | Check valve for rock drill |
AU35283/78A AU514284B2 (en) | 1977-05-24 | 1978-04-20 | Check valve for rock drill |
CA302,166A CA1078817A (en) | 1977-05-24 | 1978-04-27 | Check valve for rock drill |
DE2821441A DE2821441C3 (de) | 1977-05-24 | 1978-05-16 | Absperrventil für Bohrkronen, insbesondere Gesteinsbohrkronen |
GB20303/78A GB1577510A (en) | 1977-05-24 | 1978-05-17 | Flow control valve particularly for a rock drill |
US05/909,118 US4184554A (en) | 1977-05-24 | 1978-05-24 | Check valve for rock drill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7706028A SE400346B (sv) | 1977-05-24 | 1977-05-24 | Backventil for bergborrar |
Publications (1)
Publication Number | Publication Date |
---|---|
SE400346B true SE400346B (sv) | 1978-03-20 |
Family
ID=20331413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7706028A SE400346B (sv) | 1977-05-24 | 1977-05-24 | Backventil for bergborrar |
Country Status (7)
Country | Link |
---|---|
US (1) | US4184554A (xx) |
AU (1) | AU514284B2 (xx) |
CA (1) | CA1078817A (xx) |
DE (1) | DE2821441C3 (xx) |
GB (1) | GB1577510A (xx) |
SE (1) | SE400346B (xx) |
ZA (1) | ZA782192B (xx) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4457384A (en) * | 1982-08-23 | 1984-07-03 | Smith International, Inc. | Water separator and backflow valve |
US5012876A (en) * | 1990-02-01 | 1991-05-07 | Dresser Industries, Inc. | Rotary drill bit providing separation of liquid from gas |
SE521934C2 (sv) | 2000-04-14 | 2003-12-23 | Sandvik Ab | Rullborrkrona och backventil för en rullborrkrona |
US6408957B1 (en) | 2000-08-23 | 2002-06-25 | Smith International, Inc. | Sealed bearing roller cone bit having anti-plugging device |
US20080041633A1 (en) * | 2006-08-18 | 2008-02-21 | Atlas Copco Secoroc Llc | Earth bit having a screen |
AT508991B1 (de) * | 2009-11-06 | 2012-09-15 | Dywidag Systems Int Gmbh | Verfahren zum bohren, insbesondere schlag- oder drehschlagbohren von löchern in boden oder gesteinsmaterial sowie vorrichtung hiefür |
CN102704845A (zh) * | 2012-01-17 | 2012-10-03 | 苏州新锐工程工具有限公司 | 用于打煤矿通风口的矿用钻头 |
US9822589B2 (en) * | 2014-12-05 | 2017-11-21 | Atlas Copco Secoroc Llc | Rotary drill bit air/water separator |
CN106401527B (zh) * | 2016-09-28 | 2019-01-18 | 中国石油天然气股份有限公司 | 洗井漏失控制装置 |
CN110821417B (zh) * | 2019-12-16 | 2024-07-23 | 山东兖能泰德重工有限公司 | 高韧性外平钻杆 |
US11585158B2 (en) * | 2020-05-21 | 2023-02-21 | Caterpillar Inc. | Isolated lubrication system for drill bits |
CN113510902B (zh) * | 2021-09-14 | 2021-11-23 | 四川新为橡塑有限公司 | 一种旋转胶芯及其注塑用模具 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1692265A (en) * | 1925-04-28 | 1928-11-20 | Sullivan Machinery Co | Valve shield |
US1687120A (en) * | 1927-07-13 | 1928-10-09 | Ideal Can Company | Safety can |
US2293259A (en) * | 1941-03-25 | 1942-08-18 | Acme Fishing Tool Company | Device for preventing clogging of drilling bits |
US2619316A (en) * | 1947-02-04 | 1952-11-25 | Ronald M Wilson | Check valve |
US2920872A (en) * | 1957-12-23 | 1960-01-12 | Hughes Tool Co | Water separator for air drilling |
US3401758A (en) * | 1966-10-10 | 1968-09-17 | Dresser Ind | Flow control valve for jet type bits |
US3513728A (en) * | 1967-06-28 | 1970-05-26 | Dresser Ind | Method for manufacturing apparatus useful in an abrasive environment |
US3788408A (en) * | 1970-04-20 | 1974-01-29 | Dresser Ind | Rock bit water deflector and separator |
US3924695A (en) * | 1974-10-02 | 1975-12-09 | John R Kennedy | Rotary drilling method and apparatus |
-
1977
- 1977-05-24 SE SE7706028A patent/SE400346B/xx not_active IP Right Cessation
-
1978
- 1978-04-17 ZA ZA00782192A patent/ZA782192B/xx unknown
- 1978-04-20 AU AU35283/78A patent/AU514284B2/en not_active Expired
- 1978-04-27 CA CA302,166A patent/CA1078817A/en not_active Expired
- 1978-05-16 DE DE2821441A patent/DE2821441C3/de not_active Expired
- 1978-05-17 GB GB20303/78A patent/GB1577510A/en not_active Expired
- 1978-05-24 US US05/909,118 patent/US4184554A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2821441C3 (de) | 1981-07-16 |
ZA782192B (en) | 1979-04-25 |
AU514284B2 (en) | 1981-01-29 |
DE2821441B2 (de) | 1980-10-16 |
DE2821441A1 (de) | 1978-11-30 |
US4184554A (en) | 1980-01-22 |
CA1078817A (en) | 1980-06-03 |
GB1577510A (en) | 1980-10-22 |
AU3528378A (en) | 1979-10-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7706028-3 Effective date: 19921204 Format of ref document f/p: F |