IPC 7 English version
F25C-F25C00518

SECTION F – MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING


F 25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES


F 25 CPRODUCTION, WORKING, STORING, OR DISTRIBUTION OF ICE (frozen sweets, including ice-cream, their production A23G 9/00; concentrating solutions by removing frozen solvents B01D 9/04; purification of water by freezing C02F 1/22; refrigeration machines, plants, or systems F25B; solidification of gases or gaseous mixtures F25J; freeze-drying F26B) [2]


Note

 In this subclass, the following term is used with the meaning indicated:

 "ice" means any frozen liquid and also covers frozen semiliquids or pasty substances.  [2]



1/

00Production of ice (F25C 3/00 takes precedence)

1/

02.Production of natural ice, i.e. without refrigeration

1/

04.by using stationary moulds

1/

06..open or openable at both ends

1/

08.by immersing freezing chambers or plates into water

1/

10.by using rotating or otherwise moving moulds (F25C 1/08 takes precedence)

1/

12.by freezing water on cooled surfaces, e.g. to form slabs

1/

14..to form thin sheets which are removed by scraping or wedging, e.g. in the form of flakes

1/

16.by partially evaporating water in a vacuum

1/

18.of a particular transparency or translucency, e.g. by injecting air

1/

20..by agitation

1/

22.Construction of moulds; Filling devices therefor (metering by volume in general G01F)

1/

24..for refrigerators, e.g. freezing trays


3/

00Production of ice or snow for the purposes specified in the subgroups of this group

3/

02.for ice rinks (shape of rinks A63C 19/10; construction of rinks E01C)

3/

04.for sledging or ski trails; Production of artificial snow (shape of trails A63C 19/10; construction of trails E01C)


5/

00Working or distributing ice

5/

02.Tools or machines for disintegrating, removing, or harvesting ice

5/

04..without the use of saws

5/

06...by deforming bodies with which the ice is in contact, e.g. by inflatable members

5/

08...by heating bodies in contact with the ice

5/

10....using hot refrigerant; using fluid heated by refrigerant

5/

12...Ice-shaving machines

5/

14.Tools or machines for shaping or finishing ice pieces, e.g. ice presses

5/

16.Tools or devices for ice handling not covered by any other subclass

5/

18.Storing ice