Skip over navigation
Main CPC Sections USPC Class Numbers & Titles USPC Class Numbers Classification Search Page Contacts Help
Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC)
Printable version [PDF]
CPC
COOPERATIVE PATENT CLASSIFICATION
Collapse
A21C
MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH
Collapse
A21C 1/00
Mixing or kneading machines for the preparation of dough (domestic mixing or kneading machines A47J 43/00, A47J 44/00;
{
mixing in general B01F; mixing or kneading of substances in a plastic state in general B29B 7/00
}
)
A21C 1/003
.
{
Plant; Systems, i.e. flow charts or diagrams
}
A21C 1/006
.
{
Methods
}
A21C 1/02
.
with vertically-mounted tools; Machines for whipping or beating
A21C 1/04
.
with inclined rotating mixing arms or levers
Collapse
A21C 1/06
.
with horizontally-mounted mixing or kneading tools; Worm
{
or screw
}
 mixers
A21C 1/065
. .
{
Worm or screw mixers, e.g. with consecutive mixing receptacles
}
Collapse
A21C 1/08
.
with rollers
A21C 1/083
. .
{
by calendering, i.e. working between rollers (using rollers for shaping dough A21C 3/02)
}
A21C 1/086
. .
{
having a receptacle rotating about a vertical axis cooperating with rotary rollers
}
Collapse
A21C 1/10
.
with additional aerating apparatus for the manufacture of aerated doughs
A21C 1/105
. .
{
the gas being introduced through the shaft of a rotary tool
}
A21C 1/12
.
for the preparation of dough directly from grain
Collapse
A21C 1/14
.
Structural elements of mixing or kneading machines;
{
Parts; Accessories
}
Collapse
A21C 1/1405
. .
{
Tools
}
A21C 1/141
. . .
{
having mixing or cutting elements essentially perpendicular to their axes
}
A21C 1/1415
. . .
{
Shafts; Heads therefor
}
Collapse
A21C 1/142
. .
{
Feeding mechanisms, e.g. skip lifting mechanisms
}
A21C 1/1425
. . .
{
for feeding in measured doses
}
A21C 1/143
. . .
{
using pneumatic means
}
A21C 1/1435
. . .
{
for liquids (A21C 1/1425 takes precedence)
}
Collapse
A21C 1/144
. .
{
Discharge mechanisms
}
A21C 1/1445
. . .
{
using tiltable receptacles; Tilting mechanisms therefor
}
Collapse
A21C 1/145
. .
{
Controlling; Testing; Measuring (A21C 1/1425 takes precedence)
}
A21C 1/1455
. . .
{
Measuring data of the driving system, e.g. torque, speed, power
}
A21C 1/146
. . .
{
Measuring properties of the dough, e.g. moisture, electrical conductivity, temperature (A21C 1/1455 takes precedence)
}
Collapse
A21C 1/1465
. .
{
Drives
}
A21C 1/147
. . .
{
for planetary motion
}
A21C 1/1475
. . .
{
Brakes therefor
}
A21C 1/148
. .
{
Safety arrangements (A21C 1/1485 takes precedence)
}
A21C 1/1485
. .
{
Doors; Closures; Operating, e.g. safety, mechanisms therefor
}
A21C 1/149
. .
{
Receptacles, e.g. provided with means for carrying or guiding fluids, e.g. coolants
}
A21C 1/1495
. .
{
Arrangements for cooling or heating (receptacles with means for guiding fluids per se A21C 1/149); Arrangements for applying super- or sub-atmospheric pressure
}
Collapse
A21C 3/00
Machines or apparatus for shaping batches of dough before sub-division
Collapse
A21C 3/02
.
Dough-sheeters; Rolling-machines; Rolling-pins
{
(mixing or kneading dough by rollers A21C 1/08; non-manual rolling and working of discrete dough pieces A21C 7/00)
}
A21C 3/021
. .
{
Rolling-pins; Hand-operated spreading or rolling devices (A21C 11/004 takes precedence)
}
A21C 3/022
. .
{
Laminating or undulating a continuous dough sheet, e.g. by folding transversely or longitudinally onto a moving surface (combined with filling A21C 9/045)
}
A21C 3/024
. .
{
using one or more rollers with an axis of rotation substantially parallel or oblique to the direction of dough transport (A21C 3/065 takes precedence)
}
Collapse
A21C 3/025
. .
{
with one or more rollers moving perpendicularly to its rotation axis, e.g. reciprocally(A21C 3/024 takes precedence; hand-operated rollers A21C 3/021 )
}
A21C 3/027
. . .
{
with multiple rollers moving in a closed loop, e.g. in an orbital path; Planetary roller systems
}
A21C 3/028
. .
{
using rollers having a shape other than straight round cylinders (A21C 3/04 takes precedence)
}
A21C 3/04
.
Dough-extruding machines;
{
Hoppers with moving elements, e.g. rollers or belts as wall elements for drawing the dough
}
Collapse
A21C 3/06
.
Machines for coiling sheets of dough, e.g. for producing rolls,
{
e.g. crescent-rolls (as part of a machine for further moulding or forming A21C 7/00; with filling A21C 9/06)
}
A21C 3/065
. .
{
the coil axis of the produced rolls being in parallel or oblique position relative to the transport direction; with coiling elements, e.g. rollers, being placed in parallel or oblique position relative to the transport direction
}
A21C 3/08
.
Machines for twisting strips of dough, e.g. for making pretzels
A21C 3/10
.
combined with dough-dividing apparatus
Collapse
A21C 5/00
Dough-dividing machines
A21C 5/003
.
{
with revolving bodies, e.g. with bodies having spaces separated by radially oriented elements or walls
}
A21C 5/006
.
{
for dispensing liquid or semi-liquid dough, e.g. batter
}
Collapse
A21C 5/02
.
with division boxes and ejection plungers
A21C 5/04
. .
with division boxes in a revolving body with radially-working pistons
A21C 5/06
. .
with division boxes in a revolving body with axially-working pistons
A21C 5/08
.
with radial, i.e. star-like, cutter-blades slidable in the slots of, and relatively to, a pressing-plunger
{
(A21C 7/06 takes precedence)
}
Collapse
A21C 7/00
Machines which homogenise the subdivided dough by working other than by kneading
A21C 7/005
.
{
the dough pieces being worked in radially disposed cavities in a rotating drum
}
A21C 7/01
.
with endless bands
{
(A21C 7/005 takes precedence)
}
A21C 7/02
.
with moulding channels (A21C 7/01 takes precedence)
A21C 7/04
.
with moulding cups (A21C 7/01 takes precedence)
A21C 7/06
.
combined with dividing machines with radial, i.e. star-like, cutter-blades slidable in the slots of, and relatively to, a pressing-plunger
Collapse
A21C 9/00
Other apparatus for handling dough or dough pieces
A21C 9/02
.
Apparatus for hanging or distributing strings of dough, such as noodles, spaghetti or macaroni, on bars
Collapse
A21C 9/04
.
Apparatus for spreading granular material on, or sweeping or coating the surfaces of, pieces or sheets of dough
{
(coating baked articles A21C 15/002)
}
A21C 9/045
. .
{
Laminating dough sheets combined with applying a filling in between, e.g. lasagna-type products (ravioli-making machines A21C 9/066; making laminated baked wafer sheets A21C 15/02)
}
Collapse
A21C 9/06
.
Apparatus for filling pieces of dough such as doughnuts
{
(A21C 11/163 takes precedence; apparatus for filling baked articles A21C 15/007)
}
A21C 9/061
. .
{
Making continuous filled tubular products, e.g. with subsequent cutting
}
A21C 9/063
. .
{
Applying a folding, wrapping, rolling action (A21C 9/045, A21C 9/061 take precedence)
}
A21C 9/065
. .
{
by means of injection into a piece of dough (filling baked articles A21C 15/007)
}
Collapse
A21C 9/066
. .
{
using two separate sheets or pieces of dough with filling in between, e.g. crimped at their edges; Ravioli-making machines (A21C 11/163 takes precedence)
}
A21C 9/068
. . .
{
Tools for crimping or trimming of edges or rims, e.g. hand-operated
}
Collapse
A21C 9/08
.
Depositing, arranging and conveying apparatus for handling pieces, e.g. sheets of dough
{
(for handling liquid or semi-liquid dough, e.g. batter A21C 5/006)
}
A21C 9/081
. .
{
Charging of baking tins or forms with dough
}
A21C 9/083
. .
{
Manipulating tins, pans etc., e.g. charging or discharging conveyors, trolleys or ovens
}
A21C 9/085
. .
{
Separating, spacing, orienting or aligning discrete dough pieces, e.g. after passing a cutting device
}
A21C 9/086
. .
{
Stacking or unstacking discrete dough sheets (with filling in between sheets A21C 9/045)
}
A21C 9/088
. .
{
Folding or bending discrete dough pieces or dough strips (twisting strips of dough A21C 3/08; with filling action A21C 9/063; forming toroid-shaped dough pieces A21C 11/002)
}
Collapse
A21C 11/00
Other machines for forming the dough into its final shape before cooking or baking
A21C 11/002
.
{
the shape being toroid-like, e.g. bagels, doughnuts (extruding machines for toroid shaped products A21C 11/166)
}
Collapse
A21C 11/004
.
{
forming the dough into a substantially disc-like shape with or without an outer rim, e.g. for making pie crusts, cake shells or pizza bases
}
A21C 11/006
. .
{
by pressing or press-moulding (A21C 11/008 takes precedence)
}
A21C 11/008
. .
{
by press-rolling
}
Collapse
A21C 11/02
.
Embossing machines
A21C 11/04
. .
with cutting and embossing rollers or drums
{
(A21C 11/106 takes precedence)
}
A21C 11/06
. .
handling regularly pre-shaped sheets of dough
A21C 11/08
. .
with engraved moulds, e.g. rotary machines with die rolls
Collapse
A21C 11/10
.
combined with cutting apparatus
{
(A21C 11/004 takes precedence)
}
A21C 11/103
. .
{
having multiple cutting elements slidably or rotably mounted in a diaphragm-like arrangement
}
A21C 11/106
. .
{
using hand-operated cutting tools (A21C 9/068 takes precedence)
}
Collapse
A21C 11/12
.
Apparatus for slotting, slitting or perforating the surface of pieces of dough
A21C 11/14
. .
for star-like stamping
Collapse
A21C 11/16
.
Extruding machines
A21C 11/163
. .
{
Applying co-extrusion, i.e. extruding two or more plastic substances simultaneously, e.g. for making filled dough products; Making products from two or more different substances supplied to the extruder
}
A21C 11/166
. .
{
for making toroid-shaped products, e.g. doughnuts (A21C 11/163 takes precedence)
}
A21C 11/18
. .
with pistons
A21C 11/20
. .
with worms
A21C 11/22
.
Apparatus with rollers and cutting discs or blades for shaping noodles
A21C 11/24
.
Apparatus for cutting out noodles from a sheet or ribbon of dough by an engaging pair of grooved rollers
Collapse
A21C 13/00
Provers, i.e. apparatus permitting dough to rise
{
(testing dough properties G01N 33/10)
}
A21C 13/02
.
with endless conveyers
{
e.g. for moving the dough pieces progressively through the prover
}
A21C 14/00
Machines or equipment for making or processing dough, not provided for in other groups of this subclass
Collapse
A21C 15/00
Apparatus for handling baked articles
Collapse
A21C 15/002
.
{
Apparatus for spreading granular material on, or sweeping or coating the surface of baked articles (of pieces of dough A21C 9/04; for confectionary A23G 3/28)
}
A21C 15/005
. .
{
of which at least the dispensing part is hand-held, e.g. comprising a flexible container, pouch or gun-like applicator
}
A21C 15/007
.
{
Apparatus for filling baked articles (filling pieces of dough A21C 9/06; filled bakery products A21D 13/0019, A21D 13/085)
}
Collapse
A21C 15/02
.
Apparatus for shaping or moulding baked wafers; Making multi-layer wafer sheets
A21C 15/025
. .
{
Apparatus for shaping or moulding baked wafers, e.g. to obtain cones for ice cream
}
A21C 15/04
.
Cutting or slicing machines or devices specially adapted for baked articles other than bread (for cutting or slicing bread B26B, B26D)
This page is owned by Office of Patent Classification.
Last Modified: 04/16/2013 4:31:16 PM