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PCE
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DIFF Subgroup
F16K 21/10

with hydraulic brake cylinder acting on the closure member

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Fluid-delivery valves > Self-closing valves, i.e. closing automatically after operation > in which the closing movement, either retarded or not, starts immediately after opening > with hydraulic brake cylinder acting on the closure member

CPC:

Fluid-delivery valves, (for liquid handling B67D; for flushing devices for water-closets or the like E03D) > Self-closing valves, i.e. closing automatically after operation > in which the closing movement, either retarded or not, starts immediately after opening > with hydraulic brake cylinder acting on the closure member

No child classifications to compare. This is a leaf node in both IPC and CPC.