DIFF Subgroup
C03B 23/023 by bending
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Re-forming shaped glass > Re-forming glass sheets > by bending
CPC:
Re-forming shaped glass (re-forming fibres or filaments C03B37/14) > Re-forming glass sheets > by bending
Of 4 combined children, 3 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1980.
Child Classifications
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- C03B 23/03 by press-bending between shaping moulds since 1980 +3 CPC IPC+CPC Available in IPC and CPC
- C03B 23/035 using a gas cushion or by changing gas pressure, e.g. by applying vacuum since 1980 +1 CPC IPC+CPC Available in IPC and CPC