Controlling the operation of apparatus for producing mixtures of clay or cement with other substances Supplying or proportioning the ingredients for mixing clay or cement with other substances Discharging the mixture

BPERFORMING OPERATIONS TRANSPORTING B28Stoneworking B28CPREPARING CLAY PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL

B28C7/00Controlling the operation of apparatus for producing mixtures of clay or cement with other substances Supplying or proportioning the ingredients for mixing clay or cement with other substances Discharging the mixture

B28C7/0007Pretreatment of the ingredients B28C7/0015Tagging of the ingredients B28C7/0023by heating or cooling B28C7/003Heating B28C7/0038Cooling B28C7/0046Storage or weighing apparatus for supplying ingredients B28C7/0053Storage containers B28C7/0061Storage container plant B28C7/0069having compartments B28C7/0076Parts or details thereof B28C7/0084Storage containers or silos mounted on, or specially adapted for transport by, vehicles; Means for erecting containers or silos B28C7/0092Stationary storage means having elements to divide the ground in sectors B28C7/02Controlling the operation of the mixing B28C7/022by measuring the consistency or composition of the mixture B28C7/024by measuring properties of the mixture B28C7/026by measuring data of the driving system B28C7/028by counting the number of revolutions performed, or by measuring the mixing time B28C7/04Supplying or proportioning the ingredients B28C7/0404Proportioning B28C7/0409taking regard of the moisture content of the solid ingredients; Moisture indicators B28C7/0413two or more flows in predetermined ratio B28C7/0418control systems therefor B28C7/0422Weighing predetermined amounts of ingredients B28C7/0427using a charging-skip, to be hoisted or tilted, provided with weight-indicating means B28C7/0431using a weighing belt or the like B28C7/0436Weighing means specially adapted for use in batching plants B28C7/044Weighing mechanisms specially adapted therefor; Weighing containers B28C7/0445using a weighing receptacle, the feeding thereof being automatically suspended after a predetermined weight has been obtained B28C7/045using a weighing receptacle movable between several positions B28C7/0454Volumetric measuring devices B28C7/0459the ingredients being first supplied into measuring chambers B28C7/0463Measuring chambers or containers therefor B28C7/0468the measuring chambers being provided on a rotating drum B28C7/0472for continuous feeding B28C7/0477by using conveyor screws B28C7/0481Plant for proportioning, supplying or batching B28C7/0486the plant being mobile B28C7/049and broken-down for transport B28C7/0495with a frame carrying the supplying, proportioning or batching elements, movable between a horizontal transport position and an inclined working position B28C7/06Supplying the solid ingredients B28C7/061from stationary storage means having elements for dividing the ground sectorially B28C7/062with a pneumatic or hydraulic conveyor B28C7/064Supply from sacks; Sack openers B28C7/065with a pivotable charging-bin B28C7/067by means of stationary hoppers, chambers or bins from which the material is fed gravitationally B28C7/068having means to elevate or hoist a charging-bin or container B28C7/08by means of scrapers or skips B28C7/0805by means of a barrow or the like B28C7/0811from stationary storage means having elements for dividing the ground sectorially B28C7/0817on an endless chain B28C7/0823using manually-operated cable-pulled drag shovels B28C7/0829using reciprocating cable-suspended drag shovels B28C7/0835using skips to be hoisted along guides or to be tilted, to charge working-site concrete mixers B28C7/0841having mechanisms to fill the skip in its lowest position B28C7/0847the skips being hoisted along vertical or inclined guides B28C7/0852and being tilted in their upmost position for discharging them at their upper side B28C7/0858the skips being tilted B28C7/0864about a fixed axis B28C7/087Parts; Accessories B28C7/0876Drives therefor B28C7/0882Skips B28C7/0888Vibration devices B28C7/0894Parts B28C7/10by means of rotary members B28C7/12Supplying or proportioning liquid ingredients B28C7/122by means of a measuring chamber B28C7/124for use with a skip B28C7/126Supply means B28C7/128Nozzles; Valves; Valve-actuating means B28C7/14Supply means incorporated in, or mounted on, mixers B28C7/16Discharge means B28C7/161with storage reservoirs for temporarily storing the fresh concrete; Charging or discharging devices therefor B28C7/162by means of conveyors, other than those comprising skips or containers B28C7/163using a pump B28C7/165using a fluid B28C7/166comprising a lock rotor with pockets for feeding determined quantities of material from a hopper into the driving fluid B28C7/167by means of a screw conveyor B28C7/168Discharging chutes for concrete mixers