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 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.

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B27N 3/083 CPC only CPC only
B27N 3/086 CPC only CPC only
B27N 3/10 Moulding of mats since 1985 IPC+CPC Available in IPC and CPC
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 3/20 characterised by using platen-presses 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
B27N 3/28 characterised by using extrusion presses since 1985 IPC+CPC Available in IPC and CPC

Class B27,2013–2023, worldwide · Source: EPO PATSTAT

Class B27,2013–2023, worldwide · Source: EPO PATSTAT