| 1/00 | Pretreatment of moulding material |
| 1/02 | Pretreatment of moulding material Mixing the material with binding agent (mixing in general B01F) |
| 3/00 | Manufacture of substantially flat articles, e.g. boards, from particles or fibres |
| 3/02 | Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles |
| 3/04 | Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres |
| 3/06 | Manufacture of substantially flat articles, e.g. boards, from particles or fibres Making particle boards or fibreboards, with preformed covering layers, the particles or fibres being compressed with the layers to a board in one single pressing operation |
| 3/08 | Manufacture of substantially flat articles, e.g. boards, from particles or fibres Moulding or pressing (presses in general B30B) |
| 3/10 | Manufacture of substantially flat articles, e.g. boards, from particles or fibres Moulding or pressing (presses in general B30B) Moulding of mats |
| 3/12 | Manufacture of substantially flat articles, e.g. boards, from particles or fibres Moulding or pressing (presses in general B30B) Moulding of mats from fibres |
| 3/14 | Manufacture of substantially flat articles, e.g. boards, from particles or fibres Moulding or pressing (presses in general B30B) Moulding of mats Distributing or orienting the particles or fibres |
| 3/16 | Manufacture of substantially flat articles, e.g. boards, from particles or fibres Moulding or pressing (presses in general B30B) Transporting the material from mat moulding stations to presses (B27N 3/22 takes precedence); Apparatus specially adapted for transporting the material or component parts therefor, e.g. cauls (transport devices in general B65G) |
| 3/18 | Manufacture of substantially flat articles, e.g. boards, from particles or fibres Moulding or pressing (presses in general B30B) Auxiliary operations, e.g. preheating, humidifying, cutting-off |
| 3/20 | Manufacture of substantially flat articles, e.g. boards, from particles or fibres Moulding or pressing (presses in general B30B) characterised by using platen-presses |
| 3/22 | Manufacture of substantially flat articles, e.g. boards, from particles or fibres Moulding or pressing (presses in general B30B) characterised by using platen-presses Charging or discharging |
| 3/24 | Manufacture of substantially flat articles, e.g. boards, from particles or fibres Moulding or pressing (presses in general B30B) characterised by using continuously acting presses having endless belts or chains moved within the compression zone |
| 3/26 | Manufacture of substantially flat articles, e.g. boards, from particles or fibres Moulding or pressing (presses in general B30B) characterised by using continuously acting presses having a heated press drum and an endless belt to compress the material between belt and drum |
| 3/28 | Manufacture of substantially flat articles, e.g. boards, from particles or fibres Moulding or pressing (presses in general B30B) characterised by using extrusion presses |
| 5/00 | Manufacture of non-flat articles |
| 5/02 | Manufacture of non-flat articles Hollow articles |
| 7/00 | After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity |