Device for partial closing of vent of milk tank, has tube extended at upper end by bowl, and cap fixed on opening of bowl in order to cover opening while being remote from opening for arranging drain passage between cap and opening

摘要

The device (2) has a body (3) including a tube (31) extended at an upper end by a bowl (32). A filter (33) is closed at an upper end by a disk (332) and mounted inside the bowl in extension of the tube in order to be coaxial with the tube. The bowl includes an annular intermediate partition (34) extended from a bottom (320) of the bowl at distance from an outer face of the filter and from a side wall (321) of the bowl. A cap (4) is fixed on the opening to cover the opening while being remote from the opening for arranging a drain passage (353) between the cap and the opening.