Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B28
WORKING CEMENT, CLAY, OR STONE
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B28C
PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
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7/00
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
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B28C7/04
Supplying or proportioning the ingredients
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B28C7/06
Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
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B28C7/0835
using skips to be hoisted along guides or to be tilted, to charge working-site concrete mixers
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B28C7/087
Parts; Accessories, e.g. safety devices
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Sorry, no patents found.