BE502815A - - Google Patents
Info
- Publication number
- BE502815A BE502815A BE502815DA BE502815A BE 502815 A BE502815 A BE 502815A BE 502815D A BE502815D A BE 502815DA BE 502815 A BE502815 A BE 502815A
- Authority
- BE
- Belgium
- Prior art keywords
- teeth
- upright
- prop
- housing
- face
- Prior art date
Links
- 239000002184 metal Substances 0.000 claims description 7
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 2
- 230000000295 complement effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002783 friction material 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
- E21D15/50—Component parts or details of props
- E21D15/56—Details of locks of telescopic props
-
- 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
- E21D15/42—Telescopic props with parts held relatively to each other by friction or gripping with special parts to influence the friction
-
- 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
- E21D15/5817—Devices for setting props or chocks in which the props are pre- loaded in which the lock is also activated
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)
- Sliding-Contact Bearings (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE502815A true BE502815A (it) |
Family
ID=144210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE502815D BE502815A (it) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE502815A (it) |
-
0
- BE BE502815D patent/BE502815A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1335475C (fr) | Piece d'ancrage, notamment pour beton | |
| EP2252539B1 (fr) | Ancre de manutention d'éléments de construction aux branches divergentes maintenues | |
| FR2586981A1 (fr) | Essuie-glace, notamment pour vehicules automobiles | |
| FR2515584A1 (fr) | Dispositif de guidage longitudinal, notamment pour le reglage de sieges de vehicules automobiles | |
| EP0232634A1 (fr) | Bloc de serrage par coins réversibles pour objet allongé tel que câble ou barre | |
| FR2669610A1 (fr) | Dispositif constitutif d'un ruban metallique sans fin entourant une ou plusieurs chaines de roulement. | |
| BE502815A (it) | ||
| FR2629170A1 (fr) | Dispositif tendeur pour courroies de transmission | |
| FR2899217A1 (fr) | "ensemble constitue d'une contre-fleche et de son lest, pour grue a tour" | |
| FR3040053A1 (fr) | Ancre dynamique de levage d'un element de construction, renforcee | |
| FR2926778A1 (fr) | Capot pour vehicule incorporant une doublure de capot. | |
| WO2005019660A1 (fr) | Profile pour la fixation d'une toile tendue | |
| EP3891405A1 (fr) | Dispositif de fixation de type quart de tour axialement centre | |
| BE469248A (it) | ||
| FR2944542A1 (fr) | Etai de soutien. | |
| FR2719778A1 (fr) | Appareil de sécurité pour l'escalade des poteaux. | |
| BE492248A (it) | ||
| EP4282593A1 (fr) | Outil pour soulever une jambe de force d'un amortisseur | |
| BE559836A (it) | ||
| FR2476586A1 (fr) | Support de panneau d'ecoutille de navire | |
| FR2699969A1 (fr) | Dispositif de blocage. | |
| BE457503A (it) | ||
| FR2530606A1 (fr) | Outil pour extraire des cales et cales adaptees | |
| FR2886359A3 (fr) | Boulon de surete | |
| BE491835A (it) |