Casings (modified for heating or cooling F01D25/14); Casing parts, e.g. diaphragms, casing fastenings (casings for rotary machines or engines in general F16M )

Introduced: September 1968

Title

Titles differ between systems:

IPC: Casings; Casing parts, e.g. diaphragms, casing fastenings

CPC: Casings (modified for heating or cooling F01D25/14); Casing parts, e.g. diaphragms, casing fastenings (casings for rotary machines or engines in general F16M )

Full Title

Full titles differ between systems:

IPC:

Component parts, details, or accessories, not provided for in, or of interest apart from, other groups > Casings; Casing parts, e.g. diaphragms, casing fastenings

CPC:

Component parts, details, or accessories, not provided for in, or of interest apart from, other groups > Casings (modified for heating or cooling F01D25/14); Casing parts, e.g. diaphragms, casing fastenings (casings for rotary machines or engines in general F16M )

CPC subdivides this area 3x more granularly than IPC with 2 additional codes.

2 codes are CPC-only extensions.

Child Classifications

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F01D 25/243 CPC only CPC only
F01D 25/246 CPC only CPC only
F01D 25/26 Double casings; Measures against temperature strain in casings +1 CPC IPC+CPC Available in IPC and CPC