ES347691A1 - A straightening device for mine engraving bats. (Machine-translation by Google Translate, not legally binding) - Google Patents

A straightening device for mine engraving bats. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES347691A1
ES347691A1 ES347691A ES347691A ES347691A1 ES 347691 A1 ES347691 A1 ES 347691A1 ES 347691 A ES347691 A ES 347691A ES 347691 A ES347691 A ES 347691A ES 347691 A1 ES347691 A1 ES 347691A1
Authority
ES
Spain
Prior art keywords
translation
machine
legally binding
google translate
bats
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
ES347691A
Other languages
Spanish (es)
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 ES347691A1 publication Critical patent/ES347691A1/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
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of 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)
  • Surgical Instruments (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)

Abstract

A device for straightening the mincing sticks, of the type comprising a base intended to support the end of a stakeboard and a frame located above said base and integral therewith, characterized in that on said frame is fixed a plate supporting a collar formed by at least two jaws movable with respect to each other, ensuring a device producing force, mechanical, hydraulic or pneumatic, the approach of said jaws. (Machine-translation by Google Translate, not legally binding)
ES347691A 1966-12-14 1967-11-17 A straightening device for mine engraving bats. (Machine-translation by Google Translate, not legally binding) Expired ES347691A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR87376A FR1511050A (en) 1966-12-14 1966-12-14 Straightening device for prop

Publications (1)

Publication Number Publication Date
ES347691A1 true ES347691A1 (en) 1969-02-16

Family

ID=8622405

Family Applications (1)

Application Number Title Priority Date Filing Date
ES347691A Expired ES347691A1 (en) 1966-12-14 1967-11-17 A straightening device for mine engraving bats. (Machine-translation by Google Translate, not legally binding)

Country Status (3)

Country Link
DE (2) DE1608360A1 (en)
ES (1) ES347691A1 (en)
FR (1) FR1511050A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2749142C2 (en) * 1977-11-03 1985-01-24 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Punch straightening device
DE2850073A1 (en) * 1978-11-18 1980-05-29 Fletcher Sutcliffe Wild Ltd Roof support for longwall mining - has permanently loaded force applicator acting on roof beams and restoring displaced chock legs after predetermined pressure drop

Also Published As

Publication number Publication date
DE1978621U (en) 1968-02-15
FR1511050A (en) 1968-01-26
DE1608360A1 (en) 1970-12-10

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