CS268843B2 - Steel link bar for underground mining - Google Patents
Steel link bar for underground mining Download PDFInfo
- Publication number
- CS268843B2 CS268843B2 CS878608A CS860887A CS268843B2 CS 268843 B2 CS268843 B2 CS 268843B2 CS 878608 A CS878608 A CS 878608A CS 860887 A CS860887 A CS 860887A CS 268843 B2 CS268843 B2 CS 268843B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- fork
- profile
- articulated
- insert
- hollow
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title claims description 14
- 239000010959 steel Substances 0.000 title claims description 14
- 238000005065 mining Methods 0.000 title claims description 5
- 238000012423 maintenance Methods 0.000 description 5
- 230000008439 repair process Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
-
- 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
- Y10T403/00—Joints and connections
- Y10T403/70—Interfitted members
- Y10T403/7047—Radially interposed shim or bushing
- Y10T403/7051—Wedging or camming
- Y10T403/7052—Engaged by axial movement
- Y10T403/7056—Threaded actuator
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Rod-Shaped Construction Members (AREA)
- Lining And Supports For Tunnels (AREA)
- Joining Of Building Structures In Genera (AREA)
- Display Devices Of Pinball Game Machines (AREA)
- Bridges Or Land Bridges (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Earth Drilling (AREA)
- Heat Treatment Of Steel (AREA)
- Meat, Egg Or Seafood Products (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Medicines Containing Plant Substances (AREA)
- Finger-Pressure Massage (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Steering Devices For Bicycles And Motorcycles (AREA)
- Clamps And Clips (AREA)
- Endoscopes (AREA)
- Supports For Pipes And Cables (AREA)
- Tents Or Canopies (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Fuses (AREA)
- Dowels (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Fishing Rods (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE8632139U DE8632139U1 (de) | 1986-12-01 | 1986-12-01 | Stahlgelenkkappe für den Untertageausbau |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS860887A2 CS860887A2 (en) | 1989-08-14 |
| CS268843B2 true CS268843B2 (en) | 1990-04-11 |
Family
ID=6800705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS878608A CS268843B2 (en) | 1986-12-01 | 1987-11-27 | Steel link bar for underground mining |
Country Status (28)
| Country | Link |
|---|---|
| US (1) | US4820085A (fr) |
| EP (1) | EP0273122B1 (fr) |
| JP (1) | JPS63194099A (fr) |
| CN (1) | CN1013136B (fr) |
| AT (1) | ATE71183T1 (fr) |
| AU (1) | AU583994B2 (fr) |
| BG (1) | BG49277A3 (fr) |
| BR (1) | BR8706388A (fr) |
| CA (1) | CA1326961C (fr) |
| CS (1) | CS268843B2 (fr) |
| DE (2) | DE8632139U1 (fr) |
| ES (1) | ES2027675T3 (fr) |
| FI (1) | FI87600C (fr) |
| GR (1) | GR3003490T3 (fr) |
| HU (1) | HU198981B (fr) |
| IN (1) | IN168499B (fr) |
| MA (1) | MA21121A1 (fr) |
| NO (1) | NO874981L (fr) |
| NZ (1) | NZ222715A (fr) |
| PL (1) | PL156515B1 (fr) |
| PT (2) | PT86240A (fr) |
| RO (1) | RO110167B1 (fr) |
| SU (1) | SU1611224A3 (fr) |
| TN (1) | TNSN87134A1 (fr) |
| TR (1) | TR23723A (fr) |
| UA (1) | UA7136A1 (fr) |
| YU (1) | YU211987A (fr) |
| ZA (1) | ZA878972B (fr) |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE508922A (fr) * | ||||
| US2056248A (en) * | 1933-09-08 | 1936-10-06 | Thomas & Betts Corp | Wire conecter |
| DE829288C (de) * | 1948-10-02 | 1952-01-24 | Elke Lorenz | Schaleisenverbindung |
| DE846040C (de) * | 1949-12-28 | 1952-08-07 | Ake Torgny Bergqvist | Verriegelungsvorrichtung fuer Rohre von teleskopartigen Konstruktionen |
| FR1015257A (fr) * | 1950-03-28 | 1952-09-15 | Sambre & Meuse Usines | Rallonge de mine |
| US2784015A (en) * | 1953-04-24 | 1957-03-05 | Carl G Swanson | Pole base |
| DE1140890B (de) * | 1960-06-11 | 1962-12-13 | Karl Maria Groetschel Dipl Ing | Vorpfaendkappe, insbesondere Vorpfaendwendekappe |
| DE1750583A1 (de) * | 1968-05-16 | 1971-02-25 | Permali Ltd | Verankerungen,Zugstangen und Fassungen |
| DE1932115A1 (de) * | 1969-06-25 | 1971-01-07 | Schwarz & Schling | Eckverbinder fuer Profilrohr |
| GB1369236A (en) * | 1972-05-23 | 1974-10-02 | British Iron Steel Research | Space frames |
| FR2302411A1 (fr) * | 1975-02-27 | 1976-09-24 | Lorraine Houilleres | Chapeau telescopique de soutenement |
| DE8305874U1 (de) * | 1983-03-02 | 1983-10-20 | Heiliger, Martha-Catharina, 5166 Kreuzau | Stahlgelenkkappe fuer untertageausbau |
-
1986
- 1986-12-01 DE DE8632139U patent/DE8632139U1/de not_active Expired
-
1987
- 1987-10-16 EP EP87115117A patent/EP0273122B1/fr not_active Expired - Lifetime
- 1987-10-16 DE DE8787115117T patent/DE3775736D1/de not_active Expired - Lifetime
- 1987-10-16 ES ES198787115117T patent/ES2027675T3/es not_active Expired - Lifetime
- 1987-10-16 AT AT87115117T patent/ATE71183T1/de active
- 1987-11-18 RO RO130499A patent/RO110167B1/ro unknown
- 1987-11-19 TR TR87/0763A patent/TR23723A/xx unknown
- 1987-11-19 IN IN906/CAL/87A patent/IN168499B/en unknown
- 1987-11-23 YU YU02119/87A patent/YU211987A/xx unknown
- 1987-11-24 PL PL1987268995A patent/PL156515B1/pl unknown
- 1987-11-25 SU SU874203714A patent/SU1611224A3/ru active
- 1987-11-25 HU HU875301A patent/HU198981B/hu not_active IP Right Cessation
- 1987-11-25 UA UA4203714A patent/UA7136A1/uk unknown
- 1987-11-26 BR BR8706388A patent/BR8706388A/pt not_active IP Right Cessation
- 1987-11-27 TN TNTNSN87134A patent/TNSN87134A1/fr unknown
- 1987-11-27 AU AU81947/87A patent/AU583994B2/en not_active Ceased
- 1987-11-27 CS CS878608A patent/CS268843B2/cs unknown
- 1987-11-27 NZ NZ222715A patent/NZ222715A/en unknown
- 1987-11-30 NO NO874981A patent/NO874981L/no unknown
- 1987-11-30 CA CA000553107A patent/CA1326961C/fr not_active Expired - Fee Related
- 1987-11-30 FI FI875267A patent/FI87600C/fi not_active IP Right Cessation
- 1987-11-30 US US07/126,591 patent/US4820085A/en not_active Expired - Fee Related
- 1987-11-30 PT PT86240A patent/PT86240A/pt active IP Right Grant
- 1987-11-30 MA MA21362A patent/MA21121A1/fr unknown
- 1987-11-30 CN CN87108117A patent/CN1013136B/zh not_active Expired
- 1987-11-30 ZA ZA878972A patent/ZA878972B/xx unknown
- 1987-11-30 JP JP62300305A patent/JPS63194099A/ja active Granted
- 1987-12-01 BG BG082034A patent/BG49277A3/xx unknown
-
1992
- 1992-01-03 GR GR91401724T patent/GR3003490T3/el unknown
-
1993
- 1993-05-13 PT PT8773U patent/PT8773T/pt not_active Application Discontinuation
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