GB1120127A - Improvements in or relating to hydraulic pit props - Google Patents

Improvements in or relating to hydraulic pit props

Info

Publication number
GB1120127A
GB1120127A GB4704765A GB4704765A GB1120127A GB 1120127 A GB1120127 A GB 1120127A GB 4704765 A GB4704765 A GB 4704765A GB 4704765 A GB4704765 A GB 4704765A GB 1120127 A GB1120127 A GB 1120127A
Authority
GB
United Kingdom
Prior art keywords
relating
hydraulic pit
pit props
hydraulic
props
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.)
Expired
Application number
GB4704765A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1120127A publication Critical patent/GB1120127A/en
Expired 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
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props

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)
  • Clamps And Clips (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
GB4704765A 1965-08-23 1965-11-05 Improvements in or relating to hydraulic pit props Expired GB1120127A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6510982A NL6510982A (enrdf_load_stackoverflow) 1965-08-23 1965-08-23

Publications (1)

Publication Number Publication Date
GB1120127A true GB1120127A (en) 1968-07-17

Family

ID=19793943

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4704765A Expired GB1120127A (en) 1965-08-23 1965-11-05 Improvements in or relating to hydraulic pit props

Country Status (2)

Country Link
GB (1) GB1120127A (enrdf_load_stackoverflow)
NL (1) NL6510982A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339989A (en) 1978-12-18 1982-07-20 Webster Raymond G Hydraulic rams

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339989A (en) 1978-12-18 1982-07-20 Webster Raymond G Hydraulic rams

Also Published As

Publication number Publication date
NL6510982A (enrdf_load_stackoverflow) 1967-02-24

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