1. CPC Sections
  2. CPC Section A
  3. CPC Class A21
  4. CPC Subclass A21C
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CPC
COOPERATIVE PATENT CLASSIFICATION
​
A21C
MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH [2023-01]
WARNING

  • {In this subclass, non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.}
A21C 1/00
Mixing or kneading machines for the preparation of dough [2023-01]
A21C 1/003
.
{Plant; Systems, i.e. flow charts or diagrams} [2013-01]
A21C 1/006
.
{Methods} [2013-01]
A21C 1/02
.
with vertically-mounted tools; Machines for whipping or beating [2013-01]
A21C 1/04
.
with inclined rotating mixing arms or levers [2013-01]
A21C 1/06
.
with horizontally-mounted mixing or kneading tools; Worm {or screw} mixers [2013-01]
A21C 1/065
. .
{Worm or screw mixers, e.g. with consecutive mixing receptacles} [2013-01]
A21C 1/08
.
with rollers [2013-01]
A21C 1/083
. .
{by calendering, i.e. working between rollers (using rollers for shaping dough A21C 3/02)} [2013-01]
A21C 1/086
. .
{having a receptacle rotating about a vertical axis cooperating with rotary rollers} [2013-01]
A21C 1/10
.
with additional aerating apparatus for the manufacture of aerated doughs [2013-01]
A21C 1/105
. .
{the gas being introduced through the shaft of a rotary tool} [2013-01]
A21C 1/12
.
for the preparation of dough directly from grain [2013-01]
A21C 1/14
.
Structural elements of mixing or kneading machines; {Parts; Accessories} [2013-01]
A21C 1/1405
. .
{Tools} [2013-01]
A21C 1/141
. . .
{having mixing or cutting elements essentially perpendicular to their axes} [2013-01]
A21C 1/1415
. . .
{Shafts; Heads therefor} [2013-01]
A21C 1/142
. .
{Feeding mechanisms, e.g. skip lifting mechanisms} [2013-01]
A21C 1/1425
. . .
{for feeding in measured doses} [2013-01]
A21C 1/143
. . .
{using pneumatic means} [2013-01]
A21C 1/1435
. . .
{for liquids (A21C 1/1425 takes precedence)} [2013-01]
A21C 1/144
. .
{Discharge mechanisms} [2013-01]
A21C 1/1445
. . .
{using tiltable receptacles; Tilting mechanisms therefor} [2013-01]
A21C 1/145
. .
{Controlling; Testing; Measuring (A21C 1/1425 takes precedence)} [2013-01]
A21C 1/1455
. . .
{Measuring data of the driving system, e.g. torque, speed, power} [2013-01]
A21C 1/146
. . .
{Measuring properties of the dough, e.g. moisture, electrical conductivity, temperature (A21C 1/1455 takes precedence)} [2013-01]
A21C 1/1465
. .
{Drives} [2013-01]
A21C 1/147
. . .
{for planetary motion} [2013-01]
A21C 1/1475
. . .
{Brakes therefor} [2013-01]
A21C 1/148
. .
{Safety arrangements (A21C 1/1485 takes precedence)} [2013-01]
A21C 1/1485
. .
{Doors; Closures; Operating, e.g. safety, mechanisms therefor} [2013-01]
A21C 1/149
. .
{Receptacles, e.g. provided with means for carrying or guiding fluids, e.g. coolants} [2013-01]
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} [2013-01]
A21C 3/00
Machines or apparatus for shaping batches of dough before subdivision [2017-08]
A21C 3/02
.
Dough-sheeters; Rolling-machines; Rolling-pins [2023-01]
A21C 3/021
. .
{Rolling-pins; Hand-operated spreading or rolling devices (A21C 11/004 takes precedence)} [2013-01]
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)} [2013-01]
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)} [2013-01]
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)} [2013-01]
A21C 3/027
. . .
{with multiple rollers moving in a closed loop, e.g. in an orbital path; Planetary roller systems} [2013-01]
A21C 3/028
. .
{using rollers having a shape other than straight round cylinders (A21C 3/04 takes precedence)} [2013-01]
A21C 3/04
.
Dough-extruding machines {; Hoppers with moving elements, e.g. rollers or belts as wall elements for drawing the dough} [2017-08]
A21C 3/06
.
Machines for coiling sheets of dough, e.g. for producing rolls [2023-01]
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} [2013-01]
A21C 3/08
.
Machines for twisting strips of dough, e.g. for making pretzels [2013-01]
A21C 3/10
.
combined with dough-dividing apparatus [2013-01]
A21C 5/00
Dough-dividing machines [2013-01]
A21C 5/003
.
{with revolving bodies, e.g. with bodies having spaces separated by radially oriented elements or walls} [2013-01]
A21C 5/006
.
{for dispensing liquid or semi-liquid dough, e.g. batter} [2013-01]
A21C 5/02
.
with division boxes and ejection plungers [2013-01]
A21C 5/04
. .
with division boxes in a revolving body with radially-working pistons [2013-01]
A21C 5/06
. .
with division boxes in a revolving body with axially-working pistons [2013-01]
A21C 5/08
.
with radial, i.e. star-like, cutter-blades slidable in the slots of, and relatively to, a pressing-plunger [2023-01]
A21C 7/00
Machines which homogenise the subdivided dough by working other than by kneading [2013-01]
A21C 7/005
.
{the dough pieces being worked in radially disposed cavities in a rotating drum} [2013-01]
A21C 7/01
.
with endless bands {(A21C 7/005 takes precedence)} [2013-01]
A21C 7/02
.
with moulding channels (A21C 7/01 takes precedence) [2013-01]
A21C 7/04
.
with moulding cups (A21C 7/01 takes precedence) [2013-01]
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 [2013-01]
A21C 9/00
Other apparatus for handling dough or dough pieces [2013-01]
A21C 9/02
.
Apparatus for hanging or distributing strings of dough, such as noodles, spaghetti or macaroni, on bars [2013-01]
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)} [2013-01]
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)} [2013-01]
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)} [2013-01]
A21C 9/061
. .
{Making continuous filled tubular products, e.g. with subsequent cutting} [2013-01]
A21C 9/063
. .
{Applying a folding, wrapping, rolling action (A21C 9/045, A21C 9/061 take precedence)} [2013-01]
A21C 9/065
. .
{by means of injection into a piece of dough (filling baked articles A21C 15/007)} [2013-01]
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)} [2013-01]
A21C 9/068
. . .
{Tools for crimping or trimming of edges or rims, e.g. hand-operated} [2013-01]
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)} [2013-01]
A21C 9/081
. .
{Charging of baking tins or forms with dough} [2013-01]
A21C 9/083
. .
{Manipulating tins, pans etc., e.g. charging or discharging conveyors, trolleys or ovens} [2013-01]
A21C 9/085
. .
{Separating, spacing, orienting or aligning discrete dough pieces, e.g. after passing a cutting device} [2013-01]
A21C 9/086
. .
{Stacking or unstacking discrete dough sheets (with filling in between sheets A21C 9/045)} [2013-01]
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)} [2013-01]
A21C 11/00
Other machines for forming the dough into its final shape before cooking or baking [2013-01]
A21C 11/002
.
{the shape being toroid-like, e.g. bagels, doughnuts (extruding machines for toroid shaped products A21C 11/166)} [2013-01]
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} [2013-01]
A21C 11/006
. .
{by pressing or press-moulding (A21C 11/008 takes precedence)} [2013-01]
A21C 11/008
. .
{by press-rolling} [2013-01]
A21C 11/02
.
Embossing machines [2013-01]
A21C 11/04
. .
with cutting and embossing rollers or drums {(A21C 11/106 takes precedence)} [2013-01]
A21C 11/06
. .
handling regularly pre-shaped sheets of dough [2013-01]
A21C 11/08
. .
with engraved moulds, e.g. rotary machines with die rolls [2013-01]
A21C 11/10
.
combined with cutting apparatus {(A21C 11/004 takes precedence)} [2013-01]
A21C 11/103
. .
{having multiple cutting elements slidably or rotably mounted in a diaphragm-like arrangement} [2013-01]
A21C 11/106
. .
{using hand-operated cutting tools (A21C 9/068 takes precedence)} [2013-01]
A21C 11/12
.
Apparatus for slotting, slitting or perforating the surface of pieces of dough [2013-01]
A21C 11/14
. .
for star-like stamping [2013-01]
A21C 11/16
.
Extruding machines [2013-01]
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} [2013-01]
A21C 11/166
. .
{for making toroid-shaped products, e.g. doughnuts (A21C 11/163 takes precedence)} [2013-01]
A21C 11/18
. .
with pistons [2013-01]
A21C 11/20
. .
with worms [2013-01]
A21C 11/22
.
Apparatus with rollers and cutting discs or blades for shaping noodles [2013-01]
A21C 11/24
.
Apparatus for cutting out noodles from a sheet or ribbon of dough by an engaging pair of grooved rollers [2013-01]
A21C 13/00
Provers, i.e. apparatus permitting dough to rise [2023-01]
A21C 13/02
.
with endless conveyors {, e.g. for moving the dough pieces progressively through the prover} [2016-08]
A21C 14/00
Machines or equipment for making or processing dough, not provided for in other groups of this subclass [2013-01]
A21C 15/00
Apparatus for handling baked articles [2013-01]
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)} [2013-01]
A21C 15/005
. .
{of which at least the dispensing part is hand-held, e.g. comprising a flexible container, pouch or gun-like applicator} [2013-01]
A21C 15/007
.
{Apparatus for filling baked articles (filling pieces of dough A21C 9/06; filled bakery products A21D 13/30, A21D 13/80)} [2017-01]
A21C 15/02
.
Apparatus for shaping or moulding baked wafers; Making multi-layer wafer sheets [2013-01]
A21C 15/025
. .
{Apparatus for shaping or moulding baked wafers, e.g. to obtain cones for ice cream} [2013-01]
A21C 15/04
.
Cutting or slicing machines or devices specially adapted for baked articles other than bread [2023-01]