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BE605945A - Extended stroke hydraulic mine prop - Google Patents

Extended stroke hydraulic mine prop

Info

Publication number
BE605945A
BE605945A BE605945A BE605945A BE605945A BE 605945 A BE605945 A BE 605945A BE 605945 A BE605945 A BE 605945A BE 605945 A BE605945 A BE 605945A BE 605945 A BE605945 A BE 605945A
Authority
BE
Belgium
Prior art keywords
stroke hydraulic
extended stroke
mine prop
hydraulic mine
prop
Prior art date
Application number
BE605945A
Other languages
French (fr)
Original Assignee
Bwg Bergwerk Walzwerk
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 Bwg Bergwerk Walzwerk filed Critical Bwg Bergwerk Walzwerk
Publication of BE605945A publication Critical patent/BE605945A/en

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
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • 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
    • E21D15/48—Chocks or the like
    • E21D15/486—Chocks or the like with essential hydraulic or pneumatic details

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Forging (AREA)
  • Reciprocating Pumps (AREA)
BE605945A 1960-08-05 1961-07-10 Extended stroke hydraulic mine prop BE605945A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB58882A DE1152376B (en) 1960-08-05 1960-08-05 Hydraulic pit ram with enlarged stroke

Publications (1)

Publication Number Publication Date
BE605945A true BE605945A (en) 1961-11-03

Family

ID=6972244

Family Applications (1)

Application Number Title Priority Date Filing Date
BE605945A BE605945A (en) 1960-08-05 1961-07-10 Extended stroke hydraulic mine prop

Country Status (3)

Country Link
BE (1) BE605945A (en)
DE (1) DE1152376B (en)
GB (1) GB956482A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5690315A (en) * 1996-03-15 1997-11-25 Thomas; Timothy N. Compact lifter assembly
GB2329428A (en) * 1997-09-20 1999-03-24 Joy Mining Machinery Limited Improvements in and relating to a hydraulic control system
GB0028197D0 (en) * 2000-11-18 2001-01-03 Passenger Lift Services Ltd Single-feed tandem cylinder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2656057A (en) * 1947-05-08 1953-10-20 Joy Mfg Co Timber setting machine
US2795934A (en) * 1952-09-30 1957-06-18 Joy Mfg Co Rotating hydraulic roof supporting jacks
US2795935A (en) * 1952-09-30 1957-06-18 Joy Mfg Co Walking roof support

Also Published As

Publication number Publication date
DE1152376B (en) 1963-08-08
GB956482A (en) 1964-04-29

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