B29D 30/52 Unvulcanised treads, e.g. on used tyres; Retreading (apparatus for forming vulcanising treads B29C35/02; apparatus characterised by the means for holding wheels or parts thereof B60B30/00)
Introduced: January 1985
Title
Titles differ between systems:
IPC: Unvulcanised treads, e.g. on used tyres; Retreading
CPC: Unvulcanised treads, e.g. on used tyres; Retreading (apparatus for forming vulcanising treads B29C35/02; apparatus characterised by the means for holding wheels or parts thereof B60B30/00)
Full Title
Full titles differ between systems:
Producing pneumatic or solid tyres or parts thereof > Pneumatic tyres or parts thereof > Unvulcanised treads, e.g. on used tyres; Retreading
Producing pneumatic or solid tyres or parts thereof (producing inner tubes B29D23/24; constructional form of tyres or parts thereof B60C; connection of valves to inflatable elastic bodies B60C29/00; testing of tyres G01M17/02) > Pneumatic tyres or parts thereof > Unvulcanised treads, e.g. on used tyres; Retreading (apparatus for forming vulcanising treads B29C35/02; apparatus characterised by the means for holding wheels or parts thereof B60B30/00)
Of 7 combined children, 5 exist in both systems.
2 codes are CPC-only extensions.
Note: 2 CPC extensions are marked as secondary classification only.
IPC defines codes here since 1985.
Child Classifications
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- B29D 30/58 Applying bands of rubber treads, i.e. applying camel backs since 1985 +3 CPC IPC+CPC Available in IPC and CPC
- B29D 30/66 Moulding treads on to tyre casings, e.g. non-skid treads with spikes since 1985 +3 CPC IPC+CPC Available in IPC and CPC
- B29D 30/68 Cutting profiles into the treads of tyres since 1985 +1 CPC IPC+CPC Available in IPC and CPC