|
|
| SECTION B– PERFORMING OPERATIONS; TRANSPORTING |
|
| B 27 | WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL |
|
| B 27 N | MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL (containing cementitious material B 28 B; shaping of substances in a plastic state B 29 C; fibreboards made from fibrous suspensions D 21 J; drying F 26 B 17/00) |
|
| Note |
|
| This subclass does not cover treatment of compositions which are in a plastic state, or worked by the same type of process or apparatus as plastics, which is covered by subclass B 29 B or B 29 C. [4] |
|
1/ | 00 | Pretreatment of moulding material [4] |
|
1/ | 02 | . | Mixing the material with binding agent (mixing in general B 01 F) [4] |
|
3/ | 00 | Manufacture of substantially flat articles, e.g. boards, from particles or fibres [4] |
|
3/ | 02 | . | from particles [4] |
|
3/ | 04 | . | from fibres [4] |
|
3/ | 06 | . | 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 [4] |
|
3/ | 08 | . | Moulding or pressing (presses in general B 30 B) [4] |
|
3/ | 10 | . | . | Moulding of mats [4] |
|
3/ | 12 | . | . | . | from fibres [4] |
|
3/ | 14 | . | . | . | Distributing or orienting the particles or fibres [4] |
|
3/ | 16 | . | . | Transporting the material from mat moulding stations to presses (B 27 N 3/22 takes precedence); Apparatus specially adapted for transporting the material or component parts therefor, e.g. cauls (transport devices in general B 65 G) [4] |
|
3/ | 18 | . | . | Auxiliary operations, e.g. preheating, humidifying, cutting-off [4] |
|
3/ | 20 | . | . | characterised by using platen-presses [4] |
|
3/ | 22 | . | . | . | Charging or discharging [4] |
|
3/ | 24 | . | . | characterised by using continuously acting presses having endless belts or chains moved within the compression zone [4] |
|
3/ | 26 | . | . | characterised by using continuously acting presses having a heated press drum and an endless belt to compress the material between belt and drum [4] |
|
3/ | 28 | . | . | characterised by using extrusion presses [4] |
|
5/ | 00 | Manufacture of non-flat articles [4] |
|
5/ | 02 | . | Hollow articles [4] |
|
7/ | 00 | After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity [4] |
|
9/ | 00 | Arrangements for fireproofing (fireproofing materials C 09 K 21/00) |
|
 |