B28C7/0454 - CPC Classification Index

ClassID:

47860 ⎘

B28C7/0454 - CPC Classification

Classification description:

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; Supplying or proportioning the ingredients Volumetric measuring devices, e.g. for consecutively delivering predetermined volumes of ingredients

Sub-classes:

B28C7/0459 » {the ingredients being first supplied into measuring chambers, e.g. containers or skips} 0
B28C7/0472 » {for continuous feeding, e.g. by controlling the velocity of a transporting belt or the thickness of the ingredients on the belt or by regulating the outlet of a hopper } 7
B28C7/0477 » {by using conveyer screws} 5

Recent Application in this class:

20250114973

METHODS AND COMPOSITIONS FOR TREATMENT OF CONCRETE WASH WATER

20240025077

METHODS AND COMPOSITIONS FOR TREATMENT OF CONCRETE WASH WATER

20200283345

SYSTEM, METHOD AND APPARATUS FOR ENTRAINING AIR IN CONCRETE

20200282595

Methods and compositions for treatment of concrete wash water

20200215502

Mixing System for Cement and Fluids

20180347214

System and process for delivering building materials

20170259457

Mixing system for cement and fluids

20170158567

System, method and apparatus for entraining air in concrete

20170157796

System, method and apparatus for entraining air in concrete

20140104972

Treating and reporting volume of concrete in delivery vehicle mixing drum

20130180717

System, method and apparatus for entraining air in concrete

20120300571

CONCRETE MIXING SYSTEM

20120205400

System and process for mixing and delivering building materials

20100246312

System, method and apparatus for entraining air in concrete

20100232252

Concrete mixing system

20090231949

Water control apparatus

20080092957

Water control apparatus