E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
E21B11/00—Other drilling tools
E21B11/06—Other drilling tools with driven cutting chains or similarly driven tools
B—PERFORMING OPERATIONS; TRANSPORTING
B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
B—PERFORMING OPERATIONS; TRANSPORTING
B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
B65G2812/00—Indexing codes relating to the kind or type of conveyors
B65G2812/01—Conveyors composed of several types of conveyors
B65G2812/016—Conveyors composed of several types of conveyors for conveying material by co-operating units in tandem
B65G2812/018—Conveyors composed of several types of conveyors for conveying material by co-operating units in tandem between conveyor sections
Appareils pour l'empilage de contenants utilises plus particulierement dans des installations d'emballage au moyen d'une bande matiere thermoretractable.
Appareil de manutention destiné à déplacer, suivant une direction longitudinale sensiblement horizontale, des charges unitaires reposant sur des organes de roulement