DE1114456B - Hydraulischer Grubenstempel - Google Patents

Hydraulischer Grubenstempel

Info

Publication number
DE1114456B
DE1114456B DEM38329A DEM0038329A DE1114456B DE 1114456 B DE1114456 B DE 1114456B DE M38329 A DEM38329 A DE M38329A DE M0038329 A DEM0038329 A DE M0038329A DE 1114456 B DE1114456 B DE 1114456B
Authority
DE
Germany
Prior art keywords
piston
pit
parts
pump
flange
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.)
Pending
Application number
DEM38329A
Other languages
German (de)
English (en)
Inventor
Clarence Herbert Perry
Bernhard Tebb
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mastabar Mining Equipment Co Ltd
Original Assignee
Mastabar Mining Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mastabar Mining Equipment Co Ltd filed Critical Mastabar Mining Equipment Co Ltd
Priority claimed from GB4417460A external-priority patent/GB1017231A/en
Publication of DE1114456B publication Critical patent/DE1114456B/de
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of props
    • E21D15/55—Details of the ends of props of prop heads or feet
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • E21D15/45—Hydraulic, pneumatic, or hydraulic-pneumatic props having closed fluid system, e.g. with built-in pumps or accumulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P7/00—Emergency devices preventing damage to a machine or apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Earth Drilling (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Reciprocating Pumps (AREA)
  • Actuator (AREA)
  • Press Drives And Press Lines (AREA)
DEM38329A 1957-07-30 1958-07-19 Hydraulischer Grubenstempel Pending DE1114456B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB24074/57A GB894292A (en) 1957-07-30 1957-07-30 Improvements in or relating to hydraulic props, particularly pit props
GB4417460A GB1017231A (en) 1960-12-22 1960-12-22 Improvements in or relating to hydraulic props

Publications (1)

Publication Number Publication Date
DE1114456B true DE1114456B (de) 1961-10-05

Family

ID=26256889

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM38329A Pending DE1114456B (de) 1957-07-30 1958-07-19 Hydraulischer Grubenstempel

Country Status (5)

Country Link
US (2) US2959922A (US06623731-20030923-C00052.png)
BE (1) BE569915A (US06623731-20030923-C00052.png)
DE (1) DE1114456B (US06623731-20030923-C00052.png)
FR (1) FR1200691A (US06623731-20030923-C00052.png)
GB (1) GB894292A (US06623731-20030923-C00052.png)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB894292A (en) * 1957-07-30 1962-04-18 Mastabar Mining Equip Co Ltd Improvements in or relating to hydraulic props, particularly pit props
GB954676A (en) * 1960-12-22 1964-04-08 Dowty Mining Equipment Ltd Telescopic hydraulic props
CN112922648B (zh) * 2021-04-07 2021-11-09 中国矿业大学 一种轨道式液压组合支架
CN114991844B (zh) * 2022-08-03 2022-10-25 太原向明智控科技有限公司 一种煤矿智能化综采工作面矿压数据采集及统计方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR935536A (fr) * 1946-10-31 1948-06-22 Collier auto-serreur amovible pour étançons métalliques employés pour les soutènements
DE808225C (de) * 1948-01-12 1951-07-12 Dowty Equipment Ltd Grubenstempel
DE946528C (de) * 1953-02-25 1956-08-02 Dowty Hydraulic Units Ltd Hydraulisch betaetigter Grubenstempel
DE1010932B (de) * 1956-07-05 1957-06-27 Gutehoffnungshuette Sterkrade Hydraulischer Grubenstempel

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2064445A (en) * 1936-12-15 Bumpek sack
US302070A (en) * 1884-07-15 Thomas h
US2520426A (en) * 1947-10-15 1950-08-29 Auto Specialties Mfg Co Hydraulic jack
BE532039A (US06623731-20030923-C00052.png) * 1953-09-24 1900-01-01
US2831011A (en) * 1954-12-22 1958-04-15 Dow Corning Method of reacting silanes with ethers
BE553227A (US06623731-20030923-C00052.png) * 1955-06-10
GB894292A (en) * 1957-07-30 1962-04-18 Mastabar Mining Equip Co Ltd Improvements in or relating to hydraulic props, particularly pit props

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR935536A (fr) * 1946-10-31 1948-06-22 Collier auto-serreur amovible pour étançons métalliques employés pour les soutènements
FR62410E (fr) * 1946-10-31 1955-06-14 Collier auto-serreur amovible pour étançons métalliques employés pour les soutènements
DE808225C (de) * 1948-01-12 1951-07-12 Dowty Equipment Ltd Grubenstempel
DE946528C (de) * 1953-02-25 1956-08-02 Dowty Hydraulic Units Ltd Hydraulisch betaetigter Grubenstempel
DE1010932B (de) * 1956-07-05 1957-06-27 Gutehoffnungshuette Sterkrade Hydraulischer Grubenstempel

Also Published As

Publication number Publication date
US3119309A (en) 1964-01-28
US2959922A (en) 1960-11-15
BE569915A (US06623731-20030923-C00052.png) 1958-08-14
GB894292A (en) 1962-04-18
FR1200691A (fr) 1959-12-23

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