BE531717A - - Google Patents

Info

Publication number
BE531717A
BE531717A BE531717DA BE531717A BE 531717 A BE531717 A BE 531717A BE 531717D A BE531717D A BE 531717DA BE 531717 A BE531717 A BE 531717A
Authority
BE
Belgium
Prior art keywords
tube
washers
sleeve
stack
rod
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE531717A publication Critical patent/BE531717A/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
    • E21D15/36—Telescopic props with parts held relatively to each other by friction or gripping by a tiltable collar surrounding one or both parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00—Shores or struts; Chocks
    • E04G25/04—Shores or struts; Chocks telescopic
    • E04G25/08—Shores or struts; Chocks telescopic with parts held relatively to each other by friction or gripping
    • 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
    • E21D15/581—Devices for setting props or chocks in which the props are pre- loaded

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Civil Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Clamps And Clips (AREA)
BE531717D BE531717A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE531717A true BE531717A (enrdf_load_stackoverflow)

Family

ID=163977

Family Applications (1)

Application Number Title Priority Date Filing Date
BE531717D BE531717A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE531717A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2299032A3 (en) * 2009-09-22 2013-05-15 Industrias Piqueras, S.A. Pressure-applying telescopic spacer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2299032A3 (en) * 2009-09-22 2013-05-15 Industrias Piqueras, S.A. Pressure-applying telescopic spacer

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