IPC Definitions - January 01, 2012
F16H 57/029 - Definition
This group covers:
Gearboxes characterised by means for preventing escape of liquids (e.g. lubrication oil) or gases.
Gearboxes characterised by means for preventing ingress of liquids, gases, dust or the like.
Attention is drawn to the following places, which may be of interest for search:
Sealings | F16J 15/00 |