BE400267A - - Google Patents

Info

Publication number
BE400267A
BE400267A BE400267DA BE400267A BE 400267 A BE400267 A BE 400267A BE 400267D A BE400267D A BE 400267DA BE 400267 A BE400267 A BE 400267A
Authority
BE
Belgium
Prior art keywords
wedge
prop
strut
housing
lock
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE400267A publication Critical patent/BE400267A/fr

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
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/285—Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations

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)
BE400267D BE400267A (cg-RX-API-DMAC10.html)

Publications (1)

Publication Number Publication Date
BE400267A true BE400267A (cg-RX-API-DMAC10.html)

Family

ID=66414

Family Applications (1)

Application Number Title Priority Date Filing Date
BE400267D BE400267A (cg-RX-API-DMAC10.html)

Country Status (1)

Country Link
BE (1) BE400267A (cg-RX-API-DMAC10.html)

Similar Documents

Publication Publication Date Title
EP0161190B1 (fr) Dispositif d'ancrage à élément articulé ayant une forme coudée
FR2578906A1 (fr) Dispositif de soutenement du toit pour mines et procede et outil pour sa mise en place
EP2430244B1 (fr) Pieu d'ancrage
BE415622A (fr) étançon pour mine
BE400267A (cg-RX-API-DMAC10.html)
BE493039A (fr) serrure pour etançons de mines
BE490915A (fr) Etancon de mine, en fer
BE467589A (fr) Etançon tubulaire téléscopique perfectionné
BE491569A (cg-RX-API-DMAC10.html)
BE509749A (cg-RX-API-DMAC10.html)
BE505414A (cg-RX-API-DMAC10.html)
BE402685A (cg-RX-API-DMAC10.html)
FR1333322A (fr) Perfectionnements aux mors de serrage pour tirants d'arrêt de coffrages et analogues
BE499942A (cg-RX-API-DMAC10.html)
BE492154A (cg-RX-API-DMAC10.html)
BE494573A (cg-RX-API-DMAC10.html)
BE559152A (cg-RX-API-DMAC10.html)
BE475055A (cg-RX-API-DMAC10.html)
BE365330A (cg-RX-API-DMAC10.html)
BE447038A (cg-RX-API-DMAC10.html)
CH170707A (fr) Etai pour travaux de construction et de terrassement.
BE502676A (cg-RX-API-DMAC10.html)
BE498052A (cg-RX-API-DMAC10.html)
BE535460A (cg-RX-API-DMAC10.html)
BE459378A (fr) Etançon metallique