FR1177094A - Serrure pour étançon de mine - Google Patents

Serrure pour étançon de mine

Info

Publication number
FR1177094A
FR1177094A FR1177094DA FR1177094A FR 1177094 A FR1177094 A FR 1177094A FR 1177094D A FR1177094D A FR 1177094DA FR 1177094 A FR1177094 A FR 1177094A
Authority
FR
France
Prior art keywords
lock
mine prop
prop
mine
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
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.)
Gutehoffnungshutte Sterkrade AG
Original Assignee
Gutehoffnungshutte Sterkrade AG
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 Gutehoffnungshutte Sterkrade AG filed Critical Gutehoffnungshutte Sterkrade AG
Application granted granted Critical
Publication of FR1177094A publication Critical patent/FR1177094A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B1/00—Devices for securing together, or preventing relative movement between, constructional elements or machine parts
    • 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
    • E21D15/584—Devices for setting props or chocks in which a series of similarly shaped props obtain an almost equal load capacity by removable devices
    • 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
    • E21D15/589—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 in which a series of similarly shaped props are given almost equal load capacity by removable devices

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)
  • General Engineering & Computer Science (AREA)
FR1177094D 1956-06-28 1957-05-31 Serrure pour étançon de mine Expired FR1177094A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1177094X 1956-06-28

Publications (1)

Publication Number Publication Date
FR1177094A true FR1177094A (fr) 1959-04-20

Family

ID=7729860

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1177094D Expired FR1177094A (fr) 1956-06-28 1957-05-31 Serrure pour étançon de mine

Country Status (1)

Country Link
FR (1) FR1177094A (fr)

Similar Documents

Publication Publication Date Title
FR1162406A (fr) Serrure
FR1178174A (fr) étançon hydraulique pour mine
FR1181300A (fr) étançon hydraulique
FR1186287A (fr) étançon hydraulique
FR1182336A (fr) étançon de mine de logueur variable
FR1176775A (fr) Soupape d'étai de mine
FR1174801A (fr) étançon hydraulique pour mines
FR1196802A (fr) Serrure
FR1161695A (fr) Rallonge pour étais
FR1177094A (fr) Serrure pour étançon de mine
FR1175413A (fr) Serrure pour étançon de mine
FR1150986A (fr) Serrure
FR1175441A (fr) étançon hydraulique pour soutènements
FR1175285A (fr) étançon de mine
FR1177675A (fr) Soupape pour étançon de mine
FR1178745A (fr) étançon de mine
FR1180686A (fr) étançon de mine
FR1164143A (fr) étançon de mine
FR1170009A (fr) étançon de mine
FR1181473A (fr) étançon de mine
FR1187587A (fr) étançon de mine
FR1180410A (fr) Soupape de foudroyage pour étançon hydraulique de mine
FR1146738A (fr) étançon de mine
FR1196318A (fr) étai hydraulique pour la mine
FR1170562A (fr) Piedroit pour mines