PL229280A1 - - Google Patents
Info
- Publication number
- PL229280A1 PL229280A1 PL22928081A PL22928081A PL229280A1 PL 229280 A1 PL229280 A1 PL 229280A1 PL 22928081 A PL22928081 A PL 22928081A PL 22928081 A PL22928081 A PL 22928081A PL 229280 A1 PL229280 A1 PL 229280A1
- Authority
- PL
- Poland
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
- E21D9/1013—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom
- E21D9/102—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom by a longitudinally extending boom being pivotable about a vertical and a transverse axis
- E21D9/1026—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom by a longitudinally extending boom being pivotable about a vertical and a transverse axis the tool-carrier being rotated about a transverse axis
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Nozzles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0036080A AT363885B (de) | 1980-01-23 | 1980-01-23 | Einrichtung zur verhinderung des eindringens von staub durch den ringspalt zwischen schraemarm und schraemkopf einer schraemmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL229280A1 true PL229280A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-09-04 |
| PL129839B1 PL129839B1 (en) | 1984-06-30 |
Family
ID=3488537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1981229280A PL129839B1 (en) | 1980-01-23 | 1981-01-20 | Apparatus for preventing dust penetration through an annular gap between the arm and head of cutting machine inside the cutting head |
Country Status (9)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT377538B (de) * | 1981-08-27 | 1985-03-25 | Rieter Ag Maschf | Verfahren und vorrichtung zum kuehlen eines fadens |
| DE3414195A1 (de) * | 1984-04-14 | 1985-10-24 | Charbonnages De France, Paris | Drehkoerper eines schneidkopfes einer teilschnittvortriebsmaschine |
| US5507565A (en) * | 1994-12-19 | 1996-04-16 | Eimco Coal Machinery, Inc. | Method and apparatus for suppressing dust and frictional ignition on a continuous mining machine |
| US6070944A (en) * | 1997-08-11 | 2000-06-06 | Eimco Llc | Phasing valve assembly for supplying water to a mining machine cutter drum |
| US6764141B2 (en) * | 2002-12-19 | 2004-07-20 | Joy Mm Delaware, Inc. | Rear mounted bit holder water spray |
| KR100559585B1 (ko) * | 2003-12-17 | 2006-03-10 | 현대자동차주식회사 | 캠 샤프트 오일 시일의 제조방법 |
| CN111997635B (zh) * | 2020-08-24 | 2022-03-04 | 中铁工程装备集团有限公司 | 一种盾构机迷宫背压结构、密封系统及其工作方法 |
| CN119412092B (zh) * | 2025-01-08 | 2025-03-25 | 山西庆春机电设备制造有限公司 | 一种具有除尘功能的悬臂掘进机 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3236530A (en) * | 1963-02-18 | 1966-02-22 | Zagorski Johannes | Bottom ring of stuffing boxes for pistons and piston rods of high-pressure engines and the like |
| US3698769A (en) * | 1970-12-30 | 1972-10-17 | Lee Norse Co | Mining machine having liquid supply sealing means |
| JPS5712305Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1976-07-23 | 1982-03-11 | ||
| SE7703810L (sv) * | 1977-04-01 | 1978-10-02 | Sandvik Ab | Tetningsanordning vid rullborrkronor |
-
1980
- 1980-01-23 AT AT0036080A patent/AT363885B/de not_active IP Right Cessation
- 1980-12-04 DE DE3045739A patent/DE3045739C2/de not_active Expired
- 1980-12-05 US US06/213,500 patent/US4389075A/en not_active Expired - Lifetime
- 1980-12-18 CS CS808967A patent/CS247058B2/cs unknown
-
1981
- 1981-01-07 SU SU813226952A patent/SU1187729A3/ru active
- 1981-01-07 CA CA000367998A patent/CA1155144A/en not_active Expired
- 1981-01-07 AU AU66055/81A patent/AU540999B2/en not_active Ceased
- 1981-01-20 PL PL1981229280A patent/PL129839B1/pl unknown
- 1981-01-22 JP JP856181A patent/JPS56108496A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3045739A1 (de) | 1981-07-30 |
| JPS6342078B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-08-19 |
| AU6605581A (en) | 1981-07-30 |
| AU540999B2 (en) | 1984-12-13 |
| CS247058B2 (en) | 1986-11-13 |
| PL129839B1 (en) | 1984-06-30 |
| ATA36080A (de) | 1981-02-15 |
| DE3045739C2 (de) | 1982-08-12 |
| US4389075A (en) | 1983-06-21 |
| AT363885B (de) | 1981-09-10 |
| CA1155144A (en) | 1983-10-11 |
| JPS56108496A (en) | 1981-08-28 |
| SU1187729A3 (ru) | 1985-10-23 |