BE577889A - Process for tensioning and tightening mine props made up of several parts. - Google Patents

Process for tensioning and tightening mine props made up of several parts.

Info

Publication number
BE577889A
BE577889A BE577889A BE577889A BE577889A BE 577889 A BE577889 A BE 577889A BE 577889 A BE577889 A BE 577889A BE 577889 A BE577889 A BE 577889A BE 577889 A BE577889 A BE 577889A
Authority
BE
Belgium
Prior art keywords
tensioning
tightening
several parts
mine props
props made
Prior art date
Application number
BE577889A
Other languages
French (fr)
Original Assignee
Gutehoffnungshuette Sterkrade
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 Gutehoffnungshuette Sterkrade filed Critical Gutehoffnungshuette Sterkrade
Publication of BE577889A publication Critical patent/BE577889A/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
    • E21D15/58—Devices for setting props or chocks
    • E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
    • E21D15/586—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded
    • E21D15/588—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded the lock also being activated

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)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Clamps And Clips (AREA)
BE577889A 1958-04-23 1959-04-20 Process for tensioning and tightening mine props made up of several parts. BE577889A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG24379A DE1132522B (en) 1958-04-23 1958-04-23 Removable hydraulic device for setting and tensioning multi-part pit punches

Publications (1)

Publication Number Publication Date
BE577889A true BE577889A (en) 1959-08-17

Family

ID=7122401

Family Applications (1)

Application Number Title Priority Date Filing Date
BE577889A BE577889A (en) 1958-04-23 1959-04-20 Process for tensioning and tightening mine props made up of several parts.

Country Status (3)

Country Link
BE (1) BE577889A (en)
DE (1) DE1132522B (en)
GB (1) GB916018A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111022093A (en) * 2020-01-07 2020-04-17 广州力寄采矿设备有限公司 Automatic support column erecting machine for mine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE853735C (en) * 1950-09-12 1952-10-27 Eugen Muething Hydraulic setting device for pit punch
DE950183C (en) * 1953-02-26 1956-10-04 August Bilstein G M B H Hydraulic lifting device, in particular for setting pit punches

Also Published As

Publication number Publication date
GB916018A (en) 1963-01-16
DE1132522B (en) 1962-07-05

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