Uniting opposed surfaces or edges; Taping

Introduced: January 2017

Full Title

Making rigid or semi-rigid containers, e.g. boxes or cartons > Uniting opposed surfaces or edges; Taping

Of 6 combined children, 5 exist in both systems.

1 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2017.

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B31B 50/61 CPC only CPC only
B31B 50/62 by adhesives since 2017 +3 CPC IPC+CPC Available in IPC and CPC
B31B 50/64 by applying heat or pressure, e.g. by welding (to unite areas where adhesives are applied B31B50/62) since 2017 +5 CPC IPC+CPC Available in IPC and CPC
B31B 50/68 by stitching, stapling or riveting since 2017 +3 CPC IPC+CPC Available in IPC and CPC
B31B 50/72 by applying and securing strips or sheets since 2017 +2 CPC IPC+CPC Available in IPC and CPC
B31B 50/73 by mechanically interlocking integral parts, e.g. by tongues and slots (interconnecting side walls during folding by plungers moving through folding dies B31B50/46) since 2017 +1 CPC IPC+CPC Available in IPC and CPC

Class B31,2013–2023, worldwide · Source: EPO PATSTAT

Class B31,2013–2023, worldwide · Source: EPO PATSTAT