Construction of housing (methods for welding housings B23K); Use of materials therefor

Introduced: September 1968

Title

Titles differ between systems:

IPC: Construction of housings; Use of materials therefor

CPC: Construction of housing (methods for welding housings B23K); Use of materials therefor

Full titles differ between systems:

IPC:

Construction of housings; Use of materials therefor

CPC:

Construction of housing (methods for welding housings B23K); Use of materials therefor

Of 9 combined children, 7 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

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F16K 27/003 CPC only CPC only
F16K 27/006 CPC only CPC only
F16K 27/02 of lift valves (for reducing the flow resistance of screw-spindle lift-valves F16K1/06) +8 CPC IPC+CPC Available in IPC and CPC
F16K 27/04 of sliding valves +3 CPC IPC+CPC Available in IPC and CPC
F16K 27/06 of taps or cocks +3 CPC IPC+CPC Available in IPC and CPC
F16K 27/07 of cutting-off parts of tanks, e.g. tank-cars since 1985 IPC+CPC Available in IPC and CPC
F16K 27/08 Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves IPC+CPC Available in IPC and CPC
F16K 27/10 Welded housings +3 CPC IPC+CPC Available in IPC and CPC
F16K 27/12 Covers for housings IPC+CPC Available in IPC and CPC