BE516003A - - Google Patents
Info
- Publication number
- BE516003A BE516003A BE516003DA BE516003A BE 516003 A BE516003 A BE 516003A BE 516003D A BE516003D A BE 516003DA BE 516003 A BE516003 A BE 516003A
- Authority
- BE
- Belgium
- Prior art keywords
- wedge
- tilting
- lock
- shells
- sliding shells
- Prior art date
Links
- 238000005065 mining Methods 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000007789 sealing Methods 0.000 description 1
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)
- Clamps And Clips (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE516003A true BE516003A (cs) |
Family
ID=153333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE516003D BE516003A (cs) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE516003A (cs) |
-
0
- BE BE516003D patent/BE516003A/fr unknown
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR3063889B1 (fr) | Prothese de pied comportant un element d'amortissement | |
EP0222632A1 (fr) | Nouveau support de siège pour véhicule de transport en commun et siège équipé de ce support | |
BE516003A (cs) | ||
FR2787841A1 (fr) | Base pour la fixation rapide d'une charniere pour meuble | |
FR2560284A1 (fr) | Chevalet de soutien mobile pour le soutien du toit dans les cavites souterraines | |
FR2516117A3 (fr) | Support pour douche a tube flexible | |
FR2744616A3 (fr) | Dispositif autocuiseur | |
FR2544015A1 (fr) | Element de soutenement de mine | |
BE1008537A6 (fr) | Cadre de lit. | |
BE472217A (cs) | ||
FR2550588A1 (fr) | Dispositif de fixation d'un mat sur un plateau muni d'une ouverture | |
CH392171A (fr) | Dispositif de raccordement de tuyaux | |
BE496668A (cs) | ||
CH170707A (fr) | Etai pour travaux de construction et de terrassement. | |
BE420507A (cs) | ||
CH206133A (fr) | Potence extensible s'adaptant aux fenêtres. | |
FR2523634A1 (fr) | Appareil de forage par tariere a nacelle incorporee | |
FR2549930A1 (fr) | Support de canalisation | |
CH424147A (fr) | Appareil de levage et de mise en place d'éléments de construction | |
BE716195A (cs) | ||
CH625418A5 (en) | Device for adjusting and indicating the height of a tennis net | |
CH354378A (fr) | Dispositif d'amarrage à un lien souple | |
FR2641571A1 (fr) | Echelon tubulaire de securite | |
BE708125A (cs) | ||
CH89147A (fr) | Quinquet électrique. |