DIFF Subgroup
B27N 3/08 Moulding or pressing (presses in general B30B)
Introduced: January 1985
Title
Titles differ between systems:
IPC: Moulding or pressing
CPC: Moulding or pressing (presses in general B30B)
Full Title
Full titles differ between systems:
IPC:
Manufacture of substantially flat articles, e.g. boards, from particles or fibres > Moulding or pressing
CPC:
Manufacture of substantially flat articles, e.g. boards, from particles or fibres > Moulding or pressing (presses in general B30B)
Of 9 combined children, 7 exist in both systems.
2 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1985.
Child Classifications
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- B27N 3/16 Transporting the material from mat moulding stations to presses (B27N3/22 takes precedence); Apparatus specially adapted for transporting the material or component parts therefor, e.g. cauls (transport devices in general B65G) since 1985 IPC+CPC Available in IPC and CPC
- B27N 3/18 Auxiliary operations, e.g. preheating, humidifying, cutting-off since 1985 +2 CPC IPC+CPC Available in IPC and CPC
- B27N 3/24 characterised by using continuously acting presses having endless belts or chains moved within the compression zone since 1985 IPC+CPC Available in IPC and CPC
- B27N 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 since 1985 IPC+CPC Available in IPC and CPC