BE447043A - - Google Patents
Info
- Publication number
- BE447043A BE447043A BE447043DA BE447043A BE 447043 A BE447043 A BE 447043A BE 447043D A BE447043D A BE 447043DA BE 447043 A BE447043 A BE 447043A
- Authority
- BE
- Belgium
- Prior art keywords
- prop
- wedge
- wedges
- ramp
- release
- Prior art date
Links
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000009830 intercalation Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 239000003607 modifier Substances 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
- E21D15/285—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)
- Sheet Holders (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE447043A true BE447043A (https=) |
Family
ID=102993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE447043D BE447043A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE447043A (https=) |
-
0
- BE BE447043D patent/BE447043A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2489787C (fr) | Cale de retenue du pied des aubes de soufflante | |
| FR2634849A1 (fr) | Embrayage hydrodynamique | |
| CA2418230A1 (fr) | Dispositif de commande d'aube a angle de calage variable a liaison par pincement | |
| EP0660006A1 (fr) | Elément résonateur dynamique et son procédé de montage | |
| BE415622A (fr) | étançon pour mine | |
| BE447043A (https=) | ||
| EP0597739A1 (fr) | Dispositif pour la fixation sans jeu de plaques de verre | |
| FR2481199A1 (fr) | Dispositifs de suspension comportant au moins une lame de ressort parabolique | |
| FR2693752A1 (fr) | Barrage-clapet. | |
| FR2749900A1 (fr) | Procede et dispositif d'amortissement ou de reprise d'efforts soudains appliques a une structure par exemple d'ouvrage de genie civil | |
| FR2757591A1 (fr) | Assemblage absorbeur d'energie | |
| FR2922491A1 (fr) | Dispositif de maintien d'une porte de vehicule automobile sur son pied. | |
| BE1014773A3 (fr) | Compresseur a volutes muni d'un bloc coulissant pivotant et ayant une configuration d'alesage amelioree. | |
| BE457503A (https=) | ||
| FR2948953A1 (fr) | Dispositif de couverture pour batiment. | |
| FR2490771A1 (fr) | Soupape de retenue | |
| FR2706557A1 (fr) | Absorbeur de chocs. | |
| BE368848A (https=) | ||
| FR2757237A1 (fr) | Support antivibratoire hydraulique | |
| FR2757620A1 (fr) | Dispositif de fixation d'un tube de canon sur un vehicule porteur | |
| BE447465A (https=) | ||
| BE414144A (https=) | ||
| BE458114A (https=) | ||
| BE527048A (https=) | ||
| FR2505807A1 (fr) | Leve-tole a machoires paralleles |