helically

Introduced: January 1985

Full Title

Full titles differ between systems:

IPC:

Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor > Winding and joining, e.g. winding spirally > helically

CPC:

Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor (B29C61/10 takes precedence) > Winding and joining, e.g. winding spirally > helically

Of 7 combined children, 5 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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B29C 53/581 +1 CPC CPC only CPC only
B29C 53/583 +4 CPC CPC only CPC only
B29C 53/60 using internal forming surfaces, e.g. mandrels since 1985 +2 CPC IPC+CPC Available in IPC and CPC
B29C 53/72 using external forming surfaces since 1985 IPC+CPC Available in IPC and CPC
B29C 53/74 using a forming surface inthe shape of an endless belt which is recycled after the forming operation since 1985 IPC+CPC Available in IPC and CPC
B29C 53/76 about more than one axis since 1985 IPC+CPC Available in IPC and CPC
B29C 53/78 using profiled sheets or strips since 1985 +1 CPC IPC+CPC Available in IPC and CPC