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CPC
COOPERATIVE PATENT CLASSIFICATION
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B28C
PREPARING CLAY ; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER ( preparing material for foundry moulds B22C 5/00 )
NOTE
-
In this subclass, the following terms or expressions are used with the meanings indicated:
"cement" or "mixtures of cement with other substance" includes plaster;

"clay" includes like ceramic compositions.


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B28C 1/00
Apparatus or methods for obtaining or processing clay ( filtration in general B01D ; separation of solids from solids B03 , B07 ; chemical part C04B ; by mining or quarrying E21C 41/16 , E21C 41/26 , E21C 47/10 )
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B28C 1/003
.
{
Plant; Methods
}
B28C 1/006
. .
{
Methods
}
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B28C 1/02
.
for producing or proccessing clay suspensions,
{
e.g. slip
}
 ( producing or processing suspensions in general B01 )
B28C 1/04
. .
Producing suspensions, e.g. by blunging
{
or mixing; with means for removing stones
}
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B28C 1/06
. .
Processing suspensions
{
i.e. after mixing
}
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B28C 1/08
. . .
Separating suspensions, e.g. for obtaining clay, for removing stones;
{
Cleaning clay slurries
}
B28C 1/082
. . . .
{
Dewatering ( B28C 1/088 takes precedence ) ; Using sieves
}
B28C 1/084
. . . .
{
De-aerating
}
B28C 1/086
. . . .
{
Washing
}
B28C 1/088
. . . .
{
by centrifugal force
}
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B28C 1/10
.
for processing clay-containing substances in non-fluid condition ( clay slurries B28C 1/02 ) ;
{
Plants
}
B28C 1/12
. .
Storing and conditioning in storage ; Specially adapted storage spaces or devices for their filling or emptying;
{
Tower structures for the storage of clay
}
 ( feeding clay to shaping apparatus B28B 13/00 )
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B28C 1/14
. .
specially adapted for homogenising, comminuting or conditioning clay in non-fluid condition or for separating undesired admixtures therefrom ( processes involving conversion to a slurry B28C 1/02 ; conditioning in storage B28C 1/12 ; comminuting in general B02C ; chemical features in eliminating iron or lime C04B )
B28C 1/16
. . .
for homogenising, e.g. by mixing, kneading;
{
forcing through slots
}
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B28C 1/18
. . .
for comminuting
{
clay lumps
}
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B28C 1/182
. . . .
{
by forcing the clay through screens or slots, e.g. using screw or rolls
}
B28C 1/185
. . . . .
{
on cylindrical or conical surfaces, e.g. on rotating drums
}
B28C 1/187
. . . .
{
using co-operating rotating elements, e.g. cutters
}
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B28C 1/20
. . .
for separating undesired admixed bodies,
{
e.g. stones
}
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B28C 1/203
. . . .
{
by forcing the clay through screens or slots, e.g. having exchangeable screens or slots
}
B28C 1/206
. . . . .
{
on cylindrical or conical surfaces, e.g. on rotating drums
}
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B28C 1/22
. . .
combined with means for conditioning by heating, humidifying, or vacuum treatment,
{
by cooling, by sub-atmospheric pressure treatment
}
B28C 1/222
. . . .
{
by moistening, e.g. by steam
}
B28C 1/225
. . . .
{
by degassing, de-aerating
}
B28C 1/227
. . . .
{
by heating, drying
}
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Guide Heading:
Mixing clay or cement with other material ( general arrangement or layout of plant B28C 9/00 ; mixers in general B01F ; concrete paving mixers combined with distributing devices E01C 19/00 ; machines for preparing mixtures of road-metal with bitumen E01C 19/10 )
NOTE
-
In groups B28C 3/00 to B28C 7/00 , the following term is used with the meaning indicated:

- "mixing" includes preliminary mixing, e.g. of some of the
ingredients final mixing, and agitating the mixture to prevent
segregation thereof

B28C 3/00
Apparatus or methods for mixing clay with other substances ( producing clay suspensions B28C 1/02 )
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B28C 5/00
Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions ( controlling the mixing apparatus and supplying the ingredients B28C 7/00
{
separating cement from waste concrete B03B 9/063
}
 )
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B28C 5/003
.
{
Methods for mixing ( B28C 5/386 , B28C 5/402 take precedence )
}
B28C 5/006
. .
{
involving mechanical aspects
}
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B28C 5/02
.
without using driven mechanical means effecting the mixing ( B28C 5/48 takes precedence )
B28C 5/023
. .
{
using a flexible mat or bag
}
B28C 5/026
. .
{
Mixing guns or nozzles; Injector mixers ( applying plaster by gas pressure E04F 21/12 ; both conveying and distributing concrete E04G 21/04 ; conveying concrete B65G 53/32 ; accelerating or decelerating material flow in troughs or tubes B65G 53/58 )
}
B28C 5/04
. .
Gravitational mixing ; Mixing by intermingling streams of ingredients (
{
B28C 5/026 takes precedence
}
 ; ingredients projected by fluid pressure B28C 5/06 )
B28C 5/06
. .
the mixing being effected by the action of a fluid ( in combination with driven mechanical means, producing cellular concrete B28C 5/38 )
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B28C 5/08
.
using driven mechanical means affecting the mixing ( B28C 5/40 , B28C 5/42 , B28C 5/48 take precedence; in combination with the action of a fluid B28C 5/38 )
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B28C 5/0806
. .
{
Details; Accessories
}
B28C 5/0812
. . .
{
Drum mixer cover, e.g. lid
}
B28C 5/0818
. . .
{
Charging or discharging gates or chutes; Sealing means
}
B28C 5/0825
. . .
{
Drum insulating means
}
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B28C 5/0831
. . .
{
Drives or drive systems, e.g. toothed racks, winches ( B28C 7/0876 takes precedence )
}
B28C 5/0837
. . . .
{
Drives for mixers of the tilted-drum type ( B28C 5/085 takes precedence )
}
B28C 5/0843
. . . .
{
Drives for drums rotating about a horizontal axis and supported by rotating rollers ( B28C 5/085 takes precedence )
}
B28C 5/085
. . . .
{
Hydraulic drives
}
B28C 5/0856
. . .
{
Supporting frames or structures, e.g. supporting wheels
}
B28C 5/0862
. .
{
Adaptations of mixing containers therefor, e.g. use of material, coatings
}
B28C 5/0868
. .
{
Mixing apparatus in which a mixing container is hoisted along an inclined or vertical track during mixing to discharge at a higher level
}
B28C 5/0875
. .
{
Mixing in separate stages involving different containers for each stage
}
B28C 5/0881
. .
{
having a stator-rotor system with intermeshing teeth or cages
}
B28C 5/0887
. .
{
provided with sieves or filters
}
B28C 5/0893
. .
{
Mobile mixing devices, e.g. hanging
}
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B28C 5/10
. .
Mixing in containers not actuated to effect the mixing
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B28C 5/12
. . .
with stirrers sweeping through the materials
{
,e.g. with incorporated feeding or discharging means or with oscillating stirrers
}
B28C 5/1207
. . . .
{
with means for elevating the stirrer, e.g. out of the containers
}
B28C 5/1215
. . . .
{
Independent stirrer-drive units, e.g. portable or mounted on a wheelbarrow
}
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B28C 5/1223
. . . .
{
discontinuously operating mixing devices, e.g. with consecutive containers
}
B28C 5/123
. . . . .
{
with pressure or suction means for discharging
}
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B28C 5/1238
. . . .
{
for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices ( feeding or discharging devices per se B28C 5/0818 )
}
B28C 5/1246
. . . . .
{
with feeding devices ( B28C 5/1276 , B28C 5/1292 take precedence )
}
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B28C 5/1253
. . . . .
{
with discharging devices ( B28C 5/1276 , B28C 5/1292 take precedence )
}
B28C 5/1261
. . . . . .
{
Applying pressure for discharging ( applying pressure during mixing B28C 5/462 )
}
B28C 5/1269
. . . . .
{
for making cellular concrete ( in general B28C 5/381 )
}
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B28C 5/1276
. . . . .
{
with consecutive separate containers with rotating stirring and feeding or discharging means
}
B28C 5/1284
. . . . . .
{
having a feeding hopper and consecutive vertical or inclined mixing container fed at its upper part
}
B28C 5/1292
. . . . .
{
with rotating stirring and feeding or discharging means fixed on the same axis, e.g. in an inclined container fed at its lower part
}
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B28C 5/14
. . . .
the stirrers having motion about a horizontal or substantially horizontal axis
{
( with feeding or discharging means B28C 5/12 )
}
B28C 5/141
. . . . .
{
with container tiltable or elevatable for emptying
}
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B28C 5/142
. . . . .
{
the stirrer shaft carrying screw-blades
}
B28C 5/143
. . . . . .
{
for materials flowing continuously through the mixing device
}
B28C 5/145
. . . . .
{
with several mixing chambers arranged one after the other
}
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B28C 5/146
. . . . .
{
with several stirrers with parallel shafts in one container ( B28C 5/145 takes precedence )
}
B28C 5/147
. . . . . .
{
the material being moved perpendicularly to the axis of the shafts
}
B28C 5/148
. . . . .
{
the stirrer shaft carrying a plurality of radially extending mixing bars
}
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B28C 5/16
. . . .
the stirrers having motion about a vertical or steeply inclined axis
{
( with feeding or discharging means B28C 5/12 )
}
B28C 5/161
. . . . .
{
in containers tiltable for emptying in containers with inclined axes
}
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B28C 5/163
. . . . .
{
in annularly-shaped containers
}
B28C 5/165
. . . . . .
{
with stirrers having planetary motion
}
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B28C 5/166
. . . . .
{
Pan-type mixers
}
B28C 5/168
. . . . . .
{
with stirrers having planetary motion
}
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B28C 5/18
. .
Mixing in containers to which motion is imparted to effect the mixing
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B28C 5/1806
. . .
{
rotating about an inclined axis ( about a steeply inclined axis B28C 5/26 )
}
B28C 5/1812
. . . .
{
with rotating mixing tools
}
B28C 5/1818
. . . .
{
Mobile or portable devices, e.g. on a wheelbarrow ( B28C 5/1887 takes precedence )
}
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B28C 5/1825
. . .
{
Mixers of the tilted-drum type, e.g. mixers pivotable about an axis perpendicular to the axis of rotation for emptying
}
B28C 5/1831
. . . .
{
to be mounted on a tractor
}
B28C 5/1837
. . . .
{
provided with feeding means, e.g. hoisting skips ( B28C 5/1831 , B28C 5/185 , B28C 5/1856 take precedence )
}
B28C 5/1843
. . . .
{
having several drums
}
B28C 5/185
. . . .
{
having driven stirrers, e.g. driven from underneath
}
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B28C 5/1856
. . . .
{
Details or parts, e.g. drums ( drives B28C 5/0831 )
}
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B28C 5/1862
. . . . .
{
Construction of drum, e.g. provided with mixing blades
}
B28C 5/1868
. . . . . .
{
with mixing elements held stationary
}
B28C 5/1875
. . . . .
{
Tilting means; Locks or brakes therefor
}
B28C 5/1881
. . . .
{
the mixing drums being tilted otherwise than about a fixed axis perpendicular to the axis of rotation of the drum, e.g. by means of a set of links ( B28C5/08B1 , B28C5/08B3 , B28C5/08B5 , B28C5/08B10 take precedence )
}
B28C 5/1887
. . . .
{
Mobile or portable devices, e.g. for use by do-it-yourself enthousiasts
}
B28C 5/1893
. . .
{
the mixing drum being rotated by pulling it over the ground; the mixing drum or the stirrer being driven by movement of the wheel of a vehicle
}
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B28C 5/20
. . .
rotating about a horizontal or substantially horizontal axis during mixing, e.g. without independent stirrers
B28C 5/2009
. . . .
{
with multi-compartment drums
}
B28C 5/2018
. . . .
{
Transportable containers, e.g. on a wheelbarrow, to be fixed totally or partly in a mixer, e.g. for rotation therewith
}
B28C 5/2027
. . . .
{
using spiral-shaped mixing drums
}
B28C 5/2036
. . . .
{
with the material travelling through the mixer, the discharge being opposite the feed inlet ( B28C 5/2072 , B28C 5/22 , B28C 5/24 take precedence )
}
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B28C 5/2045
. . . .
{
Parts or components ( drives B28C 5/0831 )
}
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B28C 5/2054
. . . . .
{
Drums, e.g. provided with non-rotary mixing blades ( B28C 5/2009 takes precedence )
}
B28C 5/2063
. . . . . .
{
Drums consisting of axially displaceable halves; Drums having discharging opening on their cylindrical part, e.g. the drum rotating in opposite direction for mixing or for discharging; Drums having a cylindrical part not being a surface of revolution
}
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B28C 5/2072
. . . . .
{
Feeding or discharging mechanisms
}
B28C 5/2081
. . . . . .
{
Chutes pivotable about an axis parllel to the plane of the inlet or outlet opening
}
B28C 5/209
. . . . . .
{
Chutes rotatable about an axis parllel to the drum axis
}
B28C 5/22
. . . .
with stirrers held stationary,
{
e.g. the material forming a ring zone by centrifugal force
}
B28C 5/24
. . . .
with driven stirrers
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B28C 5/26
. . .
rotating about a vertical or steeply inclined axis during the mixing,
{
e.g. comprising a flat bottomplate rotating about a vertical axis, co-operating with blades or stirrers
}
B28C 5/28
. . . .
without independent stirrers
B28C 5/30
. . . .
with stirrers held stationary
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B28C 5/32
. . . .
with driven stirrers
B28C 5/325
. . . . .
{
with several stirrer shafts
}
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B28C 5/34
. .
Mixing on or by conveyers
{
e.g. by belts or chains provided with mixing elements
}
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B28C 5/36
. . .
Endless-belt mixers
{
i.e. for mixing while transporting the material on an endless belt, e.g. with stationary mixing elements
}
B28C 5/365
. . . .
{
Mixing with driven mixing elements while transporting the mixture on an endless belt
}
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B28C 5/38
.
wherein the mixing is effected both by the action of a fluid and by directly-acting driven mechanical means, e.g. stirring means;
{
Producing cellular concrete
}
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B28C 5/381
. .
{
Producing cellular concrete ( B28C 5/1269 takes precedence; producing foam B01F 3/04446 , B01F 3/04992 )
}
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B28C 5/383
. . .
{
comprising stirrers to effect the mixing
}
B28C 5/385
. . . .
{
Stirrers specially adapted therefor
}
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B28C 5/386
. . .
{
Plants; Systems; Methods
}
B28C 5/388
. . . .
{
Methods
}
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B28C 5/40
.
Mixing specially adapted for preparing mixtures containing fibres
B28C 5/402
. .
{
Methods
}
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B28C 5/404
. .
{
Pre-treatment of fibres
}
B28C 5/406
. . .
{
and mixing with binding material
}
B28C 5/408
. .
{
by spraying fibres and binding material
}
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B28C 5/42
.
Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport (
{
B28C 5/1893 takes precedence; mounted on a wheelbarrow B28C 5/1215 , B28C 5/1818 , B28C 5/2018 ;
}
 vehicle aspect B60P 3/16 )
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B28C 5/4203
. .
{
Details; Accessories
}
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B28C 5/4206
. . .
{
Control apparatus; Drive systems, e.g. coupled to the vehicle drive-system
}
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B28C 5/421
. . . .
{
Drives ( in general B28C 5/0831 )
}
B28C 5/4213
. . . . .
{
Hydraulic drives ( B28C 5/4217 takes precedence )
}
B28C 5/4217
. . . . .
{
Drives in combination with drum mountings; Drives directly coupled to the axis of rotating drums
}
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B28C 5/422
. . . .
{
Controlling or measuring devices ( B28C 5/4227 takes precedence )
}
B28C 5/4224
. . . . .
{
Roll-over prevention
}
B28C 5/4227
. . . .
{
Transmission control mechanisms
}
B28C 5/4231
. . .
{
Proportioning or supplying water ( in general B28C 7/12 )
}
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B28C 5/4234
. . .
{
Charge or discharge systems therefor
}
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B28C 5/4237
. . . .
{
Charging, e.g. hoppers
}
B28C 5/4241
. . . . .
{
having self-charging means, e.g. skips, scoops or buckets, picking up the material from the ground
}
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B28C 5/4244
. . . .
{
Discharging; Concrete conveyer means, chutes or spouts therefor ( in general B28C 7/168 )
}
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B28C 5/4248
. . . . .
{
using chutes ( combined with transporting belts B28C 5/4255 , combined with pumps or screws B28C 5/4258 )
}
B28C 5/4251
. . . . . .
{
telescopic or foldable chutes
}
B28C 5/4255
. . . . .
{
using transporting belts, e.g. mounted on a foldable frame
}
B28C 5/4258
. . . . .
{
using pumps or transporting screws
}
B28C 5/4262
. . .
{
Closures; Sealing mechanisms ( B28C 5/4237 takes precedence )
}
B28C 5/4265
. . .
{
Mounting means for drums; Support frames
}
B28C 5/4268
. . .
{
Drums, e.g. provided with non-rotary mixing blades ( drums for concrete mixers with horizontal axis B28C 5/2054 )
}
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B28C 5/4272
. .
{
with rotating drum rotating about a horizontal or inclined axis, e.g. comprising tilting or raising means for the drum ( B28C 5/4279 takes precedence )
}
B28C 5/4275
. . .
{
with a drum rotating about a horizontal axis, e.g. perpendicular to the longitudinal axis of the vehicle
}
B28C 5/4279
. .
{
with rotating drum and independently-rotating mixing tools
}
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B28C 5/4282
. .
{
with moving mixing tools in a stationary container
}
B28C 5/4286
. . .
{
with mixing screw-blades
}
B28C 5/4289
. . .
{
with stirrers rotating about a vertical axis
}
B28C 5/4293
. . .
{
with reciprocating or oscillating stirrers ( in general B28C5/12D )
}
B28C 5/4296
. .
{
mounted on a tractor or on a tractor wheel ( for tilted-drum type mixers B28C 5/1831 ; charging thereof B28C 5/4237 )
}
B28C 5/44
.
Apparatus specially adapted for drive by muscle power
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B28C 5/46
.
Arrangements for applying super- or sub-atmospheric pressure during mixing ; Arrangements for cooling or heating during mixing,
{
e.g. by introducing vapour
}
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B28C 5/462
. .
{
Mixing at sub- or super-atmospheric pressure ( B28C 5/1261 takes precedence )
}
B28C 5/464
. . .
{
at sub-atmospheric pressure
}
B28C 5/466
. .
{
Heating, e.g. using steam
}
B28C 5/468
. .
{
Cooling, e.g. using ice
}
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B28C 5/48
.
wherein the mixing is effected by vibrations ( mixers with vibrating mechanisms in general B01F 11/00 )
B28C 5/485
. .
{
with reciprocating or oscillating stirrers; Stirrers therefor ( B28C 5/4293 takes precedence )
}
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B28C 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
{
( B28C 5/42 takes precedence; feeding material in general B65G ; proportioning in general G01F , G01G ; controlling in general G05 )
}
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B28C 7/0007
.
{
Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
}
B28C 7/0015
. .
{
Tagging of the ingredients, e.g. by using ingredient identification means like RFID or labels
}
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B28C 7/0023
. .
{
by heating or cooling ( during mixing B28C 5/46 )
}
B28C 7/003
. . .
{
Heating, e.g. using steam
}
B28C 7/0038
. . .
{
Cooling, e.g. using ice
}
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B28C 7/0046
.
{
Storage or weighing apparatus for supplying ingredients ( B28C 7/04 takes precedence )
}
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B28C 7/0053
. .
{
Storage containers, e.g. hoppers, silos, bins ( B28C 7/0084 takes precedences )
}
B28C 7/0061
. . .
{
Storage container plant
}
B28C 7/0069
. . .
{
having compartments
}
B28C 7/0076
. . .
{
Parts or details thereof, e.g. opening, closing or unloading means
}
B28C 7/0084
. .
{
Storage containers or silos mounted on, or specially adapted for transport by, vehicles; Means for erecting containers or silos
}
B28C 7/0092
. .
{
Stationary storage means having elements to divide the ground in sectors
}
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B28C 7/02
.
Controlling the operation of the mixing
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B28C 7/022
. .
{
by measuring the consistency or composition of the mixture, e.g. with supply of a missing component
}
B28C 7/024
. . .
{
by measuring properties of the mixture, e.g. moisture, electrical resistivity, density
}
B28C 7/026
. . .
{
by measuring data of the driving system, e.g. rotational speed, torque, consumed power
}
B28C 7/028
. .
{
by counting the number of revolutions performed, or by measuring the mixing time
}
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B28C 7/04
.
Supplying or proportioning the ingredients
{
( B28C 7/022 takes precedence; forming a predetermined ratio of the components to be mixed, in general B01F 15/04 )
}
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B28C 7/0404
. .
{
Proportioning
}
B28C 7/0409
. . .
{
taking regard of the moisture content of the solid ingredients; Moisture indicators
}
B28C 7/0413
. . .
{
two or more flows in predetermined ratio
}
B28C 7/0418
. . .
{
control systems therefor
}
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B28C 7/0422
. .
{
Weighing predetermined amounts of ingredients, e.g. for consecutive delivery
}
B28C 7/0427
. . .
{
using a charging-skip, to be hoisted or tilted, provided with weight-indicating means
}
B28C 7/0431
. . .
{
using a weighing belt or the like
}
B28C 7/0436
. . .
{
Weighing means specially adapted for use in batching plants
}
B28C 7/044
. . .
{
Weighing mechanisms specially adapted therefor; Weighing containers ( other containers B28C 7/0046 )
}
B28C 7/0445
. . .
{
using a weighing receptacle, the feeding thereof being automatically suspended after a predetermined weight has been obtained ( B28C 7/045 takes precedence )
}
B28C 7/045
. . .
{
using a weighing receptacle movable between several positions, e.g. moving vertically, horizontally or rotating about an axis ( B28C 7/0427 takes precedence )
}
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B28C 7/0454
. .
{
Volumetric measuring devices, e.g. for consecutively delivering predetermined volumes of ingredients
}
Collapse
B28C 7/0459
. . .
{
the ingredients being first supplied into measuring chambers, e.g. containers or skips
}
B28C 7/0463
. . . .
{
Measuring chambers or containers therefor ( other containers B28C 7/0046 )
}
B28C 7/0468
. . . .
{
the measuring chambers being provided on a rotating drum
}
B28C 7/0472
. . .
{
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 ( B28C 7/0477 takes precedence )
}
B28C 7/0477
. . .
{
by using conveyer screws
}
Collapse
B28C 7/0481
. .
{
Plant for proportioning, supplying or batching ( B28C 7/0436 , B28C 7/0811 take precedence; plant in general B28C 9/00 )
}
Collapse
B28C 7/0486
. . .
{
the plant being mobile
}
Collapse
B28C 7/049
. . . .
{
and broken-down for transport
}
B28C 7/0495
. . . . .
{
with a frame carrying the supplying, proportioning or batching elements, movable between a horizontal transport position and an inclined working position
}
Collapse
B28C 7/06
. .
Supplying the solid ingredients, e.g. by means of endless conveyers or jigging conveyers
B28C 7/061
. . .
{
from stationary storage means having elements for dividing the ground sectorially ( B28C 7/0811 takes precedence )
}
B28C 7/062
. . .
{
with a pneumatic or hydraulic conveyer
}
B28C 7/064
. . .
{
Supply from sacks; Sack openers
}
B28C 7/065
. . .
{
with a pivotable charging-bin ( B28C 7/068 takes precedence )
}
B28C 7/067
. . .
{
by means of stationary hoppers, chambers or bins from which the material is fed gravitationally, e.g. having agitating means therein ( hoppers or bins per se B28C 7/0053 )
}
B28C 7/068
. . .
{
having means to elevate or hoist a charging-bin or container
}
Collapse
B28C 7/08
. . .
by means of scrapers or skips
B28C 7/0805
. . . .
{
by means of a barrow or the like
}
B28C 7/0811
. . . .
{
from stationary storage means having elements for dividing the ground sectorially
}
B28C 7/0817
. . . .
{
on an endless chain
}
Collapse
B28C 7/0823
. . . .
{
using manually-operated cable-pulled drag shovels ( B28C 7/0841 takes precedence )
}
B28C 7/0829
. . . . .
{
using reciprocating cable-suspended drag shovels
}
Collapse
B28C 7/0835
. . . .
{
using skips to be hoisted along guides or to be tilted, to charge working-site concrete mixers ( proportioning by means of a skip B28C 7/0427 , B28C 7/0459 )
}
B28C 7/0841
. . . . .
{
having mechanisms to fill the skip in its lowest position, e.g. by drag shovels, from a hopper
}
Collapse
B28C 7/0847
. . . . .
{
the skips being hoisted along vertical or inclined guides
}
B28C 7/0852
. . . . . .
{
and being tilted in their upmost position for discharging them at their upper side
}
Collapse
B28C 7/0858
. . . . .
{
the skips being tilted ( B28C 7/0852 takes precedence )
}
B28C 7/0864
. . . . . .
{
about a fixed axis
}
Collapse
B28C 7/087
. . . . .
{
Parts; Accessories, e.g. safety devices
}
B28C 7/0876
. . . . . .
{
Drives therefor, e.g. winches, hydraulic drives
}
B28C 7/0882
. . . . . .
{
Skips
}
B28C 7/0888
. . . . . .
{
Vibration devices, e.g. for facilitating the emptying of the skips
}
B28C 7/0894
. . . .
{
Parts, e.g. winches
}
B28C 7/10
. . .
by means of rotary members
{
,e.g. inclinable screws
}
Collapse
B28C 7/12
. .
Supplying or proportioning liquid ingredients
Collapse
B28C 7/122
. . .
{
by means of a measuring chamber, e.g. container
}
B28C 7/124
. . . .
{
for use with a skip
}
Collapse
B28C 7/126
. . .
{
Supply means, e.g. nozzles
}
B28C 7/128
. . . .
{
Nozzles; Valves; Valve-actuating means
}
B28C 7/14
.
Supply means incorporated in, or mounted on, mixers
Collapse
B28C 7/16
.
Discharge means,
{
e.g. with intermediate storage of fresh concrete
}
B28C 7/161
. .
{
with storage reservoirs for temporarily storing the fresh concrete; Charging or discharging devices therefor
}
Collapse
B28C 7/162
. .
{
by means of conveyers, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure
}
Collapse
B28C 7/163
. . .
{
using a pump
}
Collapse
B28C 7/165
. . . .
{
using a fluid, e.g. gas ( B28C 5/06 , B28C 5/1261 take precedence )
}
B28C 7/166
. . . . .
{
comprising a lock rotor with pockets for feeding determined quantities of material from a hopper into the driving fluid
}
B28C 7/167
. . .
{
by means of a screw conveyer
}
B28C 7/168
. . .
{
Discharging chutes for concrete mixers
}
Collapse
B28C 9/00
General arrangement or layout of plant
{
( B28C 7/0061 , B28C 7/0481 take precedence )
}
Collapse
B28C 9/002
.
{
Mixing systems, i.e. flow charts or diagrams; Making slurries; Involving methodical aspects; Involving pretreatment of ingredients; Involving packaging
}
B28C 9/004
. .
{
Making slurries, e.g. with discharging means for injecting in a well or projecting against a wall
}
B28C 9/006
.
{
comprising a multicompartment silo with the mixing device, e.g. a mixing screw, fitted directly at the underside of the silo, e.g. with proportioning means at the exit of the silo
}
B28C 9/008
.
{
Plant adapted for mixing materials lying on the ground, e.g. in sectors ( B28C 9/0436 takes precedence )
}
B28C 9/02
.
for producing mixtures of clay or cement with other materials
Collapse
B28C 9/04
.
the plant being mobile,
{
e.g. mounted on a carriage or a set of carriages
}
 ( B28C 5/42 ,
{
B28C 9/004 , B28C 9/006
}
 take precedence )
Collapse
B28C 9/0409
. .
{
and broken-down for transport ( B28C 9/0445 takes precedence )
}
B28C 9/0418
. . .
{
with a storage silo movable between a horizontal transport position and a vertical working position
}
B28C 9/0427
. . .
{
with a frame carrying the supplying and mixing elements movable between a horizontal transport position and an inclined working position
}
Collapse
B28C 9/0436
. .
{
Plant adapted for mixing material lying in sectors on the ground
}
B28C 9/0445
. . .
{
and broken-down for transport
}
Collapse
B28C 9/0454
. .
{
Self-contained units, i.e. mobile plants having storage containers for the ingredients ( B28C 9/0472 , B28C 9/0481 take precedence )
}
B28C 9/0463
. . .
{
with a mixing discharge trough with a free end, e.g. provided with a mixing screw or pivotable about a vertical or horizontal axis
}
B28C 9/0472
. .
{
provided with two or more carriages for storing the ingredients or for the mixing device, e.g. transportable on rails
}
Collapse
B28C 9/0481
. .
{
with means for loading the material from ground level to the mixing device, e.g. with an endless conveyer or a charging skip ( B28C 9/0436 takes precedence )
}
B28C 9/049
. . .
{
with at least a storage compartment for one of the ingredients
}
This page is owned by Office of Patent Classification.
Last Modified: 04/16/2013 4:31:16 PM