BE517918A - - Google Patents
Info
- Publication number
- BE517918A BE517918A BE517918DA BE517918A BE 517918 A BE517918 A BE 517918A BE 517918D A BE517918D A BE 517918DA BE 517918 A BE517918 A BE 517918A
- Authority
- BE
- Belgium
- Prior art keywords
- aforementioned
- barrel
- faces
- face
- parallel
- Prior art date
Links
- 210000005069 ears Anatomy 0.000 claims description 16
- 238000003466 welding Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 239000000470 constituent Substances 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 235000017788 Cydonia oblonga Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/02—Cantilever extension or similar protecting devices
- E21D17/08—Cap joints for obtaining a coal-face free of pit-props
- E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type
-
- 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
-
- 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
- E21D15/43—Details of wedges
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE517918A true BE517918A (enrdf_load_stackoverflow) |
Family
ID=154656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE517918D BE517918A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE517918A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3163011A (en) * | 1960-11-14 | 1964-12-29 | Karl M Groetschel | Connection for lagging irons |
-
0
- BE BE517918D patent/BE517918A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3163011A (en) * | 1960-11-14 | 1964-12-29 | Karl M Groetschel | Connection for lagging irons |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1160654A (fr) | Dispositif de fixation d'une chaussure a un ski | |
| EP0228334A1 (fr) | Glissières de sécurité routières | |
| EP0519851B1 (fr) | Cale destinée à réaliser le montage sur un poteau d'une glissière de sécurité équipant une voie de circulation routière | |
| FR2751998A1 (fr) | Barriere de securite pour voie de circulation | |
| CA2119269A1 (fr) | Glissieres de securite routiere comportant au moins une lisse horizontale en bois | |
| EP1873113A1 (fr) | Dispositif d'assemblage démontable pour éléments de mât d'une grue à tour | |
| BE517918A (enrdf_load_stackoverflow) | ||
| FR2962468A1 (fr) | Dispositif de fixation de la structure d'une piscine | |
| EP0040112B2 (fr) | Perfectionnement aux convertisseurs d'aciérie | |
| CH620013A5 (en) | String for a straight staircase | |
| EP0089421A1 (fr) | Bracelet, notamment pour montre et procédé de montage d'un tel bracelet | |
| FR2915500A1 (fr) | Garde-corps. | |
| FR2744786A1 (fr) | Assemblage de poutrelles comportant des liaisons directes entre poutrelles | |
| FR2675548A3 (fr) | Structure de fixation pour l'assemblage de profiles. | |
| FR2630483A1 (fr) | Escalier autoportant | |
| FR2480338A1 (fr) | Structure de protection pour couvreur et montant correspondant | |
| CH357085A (fr) | Dispositif d'ancrage pour filet pare-avalanche | |
| EP0837204B1 (fr) | Armature pour tente en forme de chapiteau | |
| FR2571487A1 (fr) | Butte de tir a l'arc pour fleches et carreaux d'arbalete | |
| FR2614410A1 (fr) | Repose arc portatif | |
| FR2871995A1 (fr) | Dispositif constitue de manchons fixees sur un cadre et permettant le montage de plate forme d'observation ou de mirador de battue ou d'affut | |
| BE495511A (enrdf_load_stackoverflow) | ||
| CH540810A (fr) | Faux-pont de camion | |
| LU82371A1 (fr) | Ossature porteuse reglable | |
| FR3081433A1 (fr) | FIXATION d’UN PARCOURS AQUATIQUE PAR UN SYSTEME DE MACHOIRE |