Making flexible containers, e.g. envelopes or bags

Introduced: January 2017

CPC subdivides this area 2x more granularly than IPC with 7 additional codes.

7 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2017.

Child Classifications

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B31B 70/001 +1 CPC CPC only CPC only
B31B 70/003 CPC only CPC only
B31B 70/004 CPC only CPC only
B31B 70/005 CPC only CPC only
B31B 70/006 CPC only CPC only
B31B 70/008 CPC only CPC only
B31B 70/02 Feeding or positioning sheets, blanks or webs since 2017 +1 CPC IPC+CPC Available in IPC and CPC
B31B 70/14 Cutting, e.g. perforating, punching, slitting or trimming (cutting window openings B31B70/83) since 2017 +4 CPC IPC+CPC Available in IPC and CPC
B31B 70/25 +3 CPC CPC only CPC only
B31B 70/26 Folding sheets, blanks or webs since 2017 +6 CPC IPC+CPC Available in IPC and CPC
B31B 70/60 Uniting opposed surfaces or edges; Taping since 2017 +1 CPC IPC+CPC Available in IPC and CPC
B31B 70/74 Auxiliary operations since 2017 +2 CPC IPC+CPC Available in IPC and CPC
B31B 70/99 using hand tools since 2017 IPC+CPC Available in IPC and CPC