| IPC 6 English version | B28-B28B01124 | |
| B28B 13/00 - B28B 23/22 >> |
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SECTION B | – PERFORMING OPERATIONS; TRANSPORTING |
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WORKING CEMENT, CLAY, OR STONE |
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SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER (foundry moulding B 22 C; working stone or stone-like material B 28 D; shaping of substances in a plastic state, in general B 29 C; making layered products not composed wholly of these substances B 32 B; shaping in situ, see the relevant classes of section E) |
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Note |
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In this subclass, the following term is used with the meaning indicated: |
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– | "the material" means: |
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(a) | clay or other ceramic compositions; |
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(b) | slag; |
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(c) | mixtures with water-setting properties given by clay, cementitious material, or slag. |
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1/ | 00 | Producing shaped articles from the material (using presses B 28 B 3/00; shaping on moving conveyers B 28 B 5/00; producing tubular articles B 28 B 21/00) |
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1/ | 02 | . | by turning or jiggering |
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1/ | 04 | . | by tamping or ramming (followed by pressing B 28 B 3/02) |
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1/ | 08 | . | by vibrating or jolting |
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1/ | 087 | . . | by means acting on the mould [6] |
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1/ | 093 | . . | by means directly acting on the material, e.g. by cores wholly or partly immersed in the material (internal vibrators for compacting concrete in situ E 04 G 21/08) [6] |
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1/ | 10 | . . | and applying pressure otherwise than by the use of presses |
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1/ | 14 | . | by simple casting, the material being neither forcibly fed nor positively compacted (for molten material B 28 B 1/54) |
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1/ | 16 | . . | for producing layered articles (coating B 28 B 11/04) |
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1/ | 20 | . | by centrifugal or rotational casting (slip-casting involving rotation of the mould B 28 B 1/28; for molten material B 28 B 1/54) |
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1/ | 24 | . | by injection moulding |
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1/ | 26 | . | by slip-casting, i.e. by casting a suspension or dispersion of the material in a liquid-absorbent or porous mould, the liquid being allowed to soak into or pass through the walls of the mould; Moulds therefor (B 28 B 1/52 takes precedence) |
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1/ | 28 | . . | involving rotation of the mould |
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1/ | 29 | . | by profiling or strickling the material in open moulds or on moulding surfaces |
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1/ | 30 | . | by applying the material on to a core, or other moulding surface to form a layer thereon (to form a permanent layer B 28 B 19/00) |
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1/ | 32 | . . | by projecting, e.g. spraying (spraying in general B 05 B, B 05 D) |
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1/ | 34 | . . . | by centrifugal force |
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1/ | 38 | . . | by dipping (in general B 05 C, B 05 D) |
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1/ | 40 | . . | by wrapping, e.g. winding |
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1/ | 42 | . . . | using mixtures containing fibres, e.g. for making sheets by slitting the wound layer |
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1/ | 44 | . | by forcing cores into filled moulds for forming hollow articles |
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1/ | 48 | . | by removing material from solid section preforms for forming hollow articles, e.g. by punching or boring |
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1/ | 50 | . | specially adapted for producing articles of expanded material, e.g. cellular concrete (chemical aspects C 04 B) |
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1/ | 52 | . | specially adapted for producing articles from mixtures containing fibres (by wrapping on to mandrels B 28 B 1/42) |
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1/ | 54 | . | specially adapted for producing articles from molten material, e.g. slag (chemical aspects C 04 B) |
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3/ | 00 | Producing shaped articles from the material by using presses (shaping on moving conveyers B 28 B 5/00) |
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3/ | 02 | . | wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form |
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3/ | 04 | . . | with one ram per mould (B 28 B 3/10 takes precedence) |
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3/ | 06 | . . . | with two or more ram and mould sets |
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3/ | 08 | . . | with two or more rams per mould |
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3/ | 10 | . . | each charge of material being compressed against previously formed body |
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3/ | 12 | . | wherein one or more rollers exert pressure on the material |
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3/ | 14 | . . | with co-operating pocketed rollers |
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3/ | 16 | . . | with co-operating profiled rollers |
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3/ | 18 | . . | Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring |
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3/ | 20 | . | wherein the material is extruded |
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3/ | 22 | . . | by screw or worm |
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3/ | 24 | . . | by reciprocating plunger |
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3/ | 26 | . . | Extrusion dies |
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5/ | 00 | Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in, or on conveyers irrespective of the manner of shaping (shaping aspects, see the relevant groups) |
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5/ | 02 | . | on conveyers of the endless-belt or chain type (in combination with pressing rollers B 28 B 3/12) |
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5/ | 04 | . | in moulds moved in succession past one or more shaping stations (on turntables B 28 B 5/06) |
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5/ | 06 | . | in moulds on a turntable |
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5/ | 08 | . . | intermittently rotated |
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5/ | 10 | . | in moulds carried on the circumference of a rotating drum |
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5/ | 12 | . . | intermittently rotated |
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7/ | 00 | Moulds; Cores; Mandrels (specially adapted for the production of tubular articles B 28 B 21/00) |
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7/ | 02 | . | Moulds with adjustable parts |
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7/ | 04 | . . | one or more of the parts being pivotally mounted |
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7/ | 06 | . | Moulds with flexible parts |
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7/ | 08 | . | Moulds provided with means for tilting or inverting |
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7/ | 10 | . | Moulds with means incorporated therein, or carried thereby, for ejecting the moulded article (devices, not forming part of the mould, for ejecting the moulded article B 28 B 13/06) |
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7/ | 12 | . . | by fluid pressure |
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7/ | 14 | . | Moulds with means incorporated therein, or carried thereby, for cutting the moulded article into parts (cutting means independent of the mould B 28 B 11/14) |
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7/ | 16 | . | Moulds for making shaped articles with cavities or holes open to the surface |
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7/ | 18 | . . | the holes passing completely through the article |
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7/ | 20 | . | Moulds for making shaped articles with undercut recesses, e.g. dovetails |
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7/ | 22 | . | Moulds for making units for prefabricated buildings; Moulds for making prefabricated stair units |
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7/ | 24 | . | Unitary mould structures with a plurality of moulding spaces |
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7/ | 26 | . | Assemblies of separate moulds |
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7/ | 28 | . | Cores; Mandrels |
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7/ | 30 | . . | adjustable, collapsible, or expanding |
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7/ | 32 | . . . | inflatable (connection of valves to inflatable elastic bodies B 60 C 29/00) |
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7/ | 34 | . | Moulds, cores, or mandrels of special material, e.g. destructible materials (for slip-casting B 28 B 1/26) |
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7/ | 36 | . | Linings or coatings (lubricating surfaces of moulds, cores, or mandrels B 28 B 7/38) |
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7/ | 38 | . | Treating surfaces of moulds, cores, or mandrels to prevent sticking |
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7/ | 40 | . | characterised by means for modifying the properties of the moulding material [5] |
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7/ | 42 | . . | for heating or cooling, e.g. steam jackets [5] |
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7/ | 44 | . . | for treating with gases or degassing, e.g. for de-aerating [5] |
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7/ | 46 | . . | for humidifying or dehumidifying [5] |
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11/ | 00 | Apparatus or processes for treating or working the shaped articles (specially adapted for tubular articles B 28 B 21/92; decoration or surface treatment in general B 05, B 44; compacting concrete in situ in connection with building E 04 G 21/06; drying F 26) |
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11/ | 02 | . | for attaching appendages, e.g. handles, spouts |
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11/ | 04 | . | for coating (glazing, engobing C 04 B) |
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11/ | 06 | . . | with powdered or granular material |
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11/ | 08 | . | for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads |
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11/ | 10 | . . | by using presses |
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11/ | 12 | . | for removing parts of the articles by cutting |
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11/ | 14 | . | for dividing shaped articles by cutting |
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11/ | 16 | . . | for extrusion |
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11/ | 18 | . | for removing burr |
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11/ | 22 | . | for cleaning |
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11/ | 24 | . | for curing, setting or hardening (processes for influencing or modifying the setting or hardening ability of mortars, concrete or artificial stone compositions, in general C 04 B 40/00) [6] |
| ^ | B28B 13/00 - B28B 23/22 >> |