BE484433A - - Google Patents

Info

Publication number
BE484433A
BE484433A BE484433DA BE484433A BE 484433 A BE484433 A BE 484433A BE 484433D A BE484433D A BE 484433DA BE 484433 A BE484433 A BE 484433A
Authority
BE
Belgium
Prior art keywords
prop
perforations
wings
section
metal
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE484433A publication Critical patent/BE484433A/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
    • E21D15/40—Collar or other support gripped to one or both parts by toggle-action, cam, or other member pivoted or similarly mounted

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)
  • Adornments (AREA)
BE484433D BE484433A (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
BE484433A true BE484433A (cg-RX-API-DMAC7.html)

Family

ID=130590

Family Applications (1)

Application Number Title Priority Date Filing Date
BE484433D BE484433A (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
BE (1) BE484433A (cg-RX-API-DMAC7.html)

Similar Documents

Publication Publication Date Title
FR2951973A1 (fr) Appareil de soudage par friction avec agitation
FR3020825A1 (fr) Poutre de construction
BE484433A (cg-RX-API-DMAC7.html)
FR2549003A1 (fr) Navire a coque sans traverse
FR2666270A1 (fr) Coin eclateur pour la fente de buches de bois.
JP2016211345A (ja) 鋼桁補強構造及び鋼桁補強方法
BE555028A (cg-RX-API-DMAC7.html)
BE661519A (cg-RX-API-DMAC7.html)
CH596399A5 (en) Metal cap to connect column and concrete slab
BE475795A (cg-RX-API-DMAC7.html)
BE556290A (cg-RX-API-DMAC7.html)
BE346646A (cg-RX-API-DMAC7.html)
FR2554877A1 (fr) Dispositif d'assemblage de deux pieces, avec effet d'autoalignement
BE533096A (cg-RX-API-DMAC7.html)
BE415485A (cg-RX-API-DMAC7.html)
CH336974A (fr) Châssis pour panneau de coffrage
BE377888A (cg-RX-API-DMAC7.html)
BE399315A (cg-RX-API-DMAC7.html)
BE519101A (cg-RX-API-DMAC7.html)
CH544861A (de) Elément de coffrage métallique pour construction en béton
BE640669A (cg-RX-API-DMAC7.html)
BE561842A (cg-RX-API-DMAC7.html)
BE377081A (cg-RX-API-DMAC7.html)
BE340920A (cg-RX-API-DMAC7.html)
BE399189A (cg-RX-API-DMAC7.html)