Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings

Introduced: September 1968

Of 8 combined children, 6 exist in both systems.

2 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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F28F 9/001 +2 CPC CPC only CPC only
F28F 9/005 CPC only CPC only
F28F 9/007 Auxiliary supports for elements since 1995 +1 CPC IPC+CPC Available in IPC and CPC
F28F 9/02 Header boxes; End plates +10 CPC IPC+CPC Available in IPC and CPC
F28F 9/20 Arrangements of heat reflectors, e.g. separately-insertible reflecting walls IPC+CPC Available in IPC and CPC
F28F 9/22 Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates +1 CPC IPC+CPC Available in IPC and CPC
F28F 9/24 Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates (F28F1/38 takes precedence; in general F15D) IPC+CPC Available in IPC and CPC
F28F 9/26 Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators (connecting different sections in water heaters F24H9/14 ) +1 CPC IPC+CPC Available in IPC and CPC