Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures

Introduced: September 1968

Title

Titles differ between systems:

IPC: Making inlet or outlet arrangements of cans, tins, baths, bottles or other vessels; Making can ends; Making closures

CPC: Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures

Full Title

Full titles differ between systems:

IPC:

Making hollow objects > characterised by the use of the objects > Making inlet or outlet arrangements of cans, tins, baths, bottles or other vessels; Making can ends; Making closures

CPC:

Making hollow objects (from thick-walled or non uniform tubes B21K21/00) > characterised by the use of the objects (making heat exchangers B21D53/02) > Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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B21D 51/383 +1 CPC CPC only CPC only
B21D 51/40 Making outlet openings, e.g. bung holes IPC+CPC Available in IPC and CPC
B21D 51/44 Making closures, e.g. caps (folded of thin metal foils in the way of making paper caps B31D5/00; making closures in conjunction with applying same B67B) +2 CPC IPC+CPC Available in IPC and CPC