IPIQ

PERFORMING OPERATIONS; TRANSPORTING

B28

WORKING CEMENT, CLAY, OR STONE

B28C

PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER

5/00

Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions

B28C5/08

using driven mechanical means affecting the mixing

B28C5/10

Mixing in containers not actuated to effect the mixing

B28C5/12

with stirrers sweeping through the materials; , e.g. with incorporated feeding or discharging means or with oscillating stirrers

B28C5/14

the stirrers having motion about a horizontal or substantially horizontal axis

B28C5/142

the stirrer shaft carrying screw-blades