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PCE
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DIFF Subgroup
C03B 18/20

Composition of the atmosphere above the float bath; Treating or purifying the atmosphere above the float bath

Introduced: January 1980

Full Title

Shaping glass in contact with the surface of a liquid > Forming sheets > Composition of the atmosphere above the float bath; Treating or purifying the atmosphere above the float bath

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 1980.

Child Classifications

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  • C03B 18/22 Controlling or regulating the temperature of the atmosphere above the float tank since 1980 IPC+CPC Available in IPC and CPC