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US 12,398,543 B2Granted
Hose coupling for a hydrant, and hydrant
AssigneeVonroll Infratec (Investment) AG
InventorSascha Wenger
Life of this patent
Estimating the term…
Abstract
A hose coupling for a hydrant has a ventilation device. The ventilation device has a non-return valve that is received in a receptacle incorporated into an outer flange of the hose coupling.
Claims16
A hose coupling (10) for a hydrant, wherein the hose coupling (10) comprises a ventilation device (18), wherein the ventilation device (18) comprises a non-return valve (20), which is accommodated in a receptacle (22) incorporated into an outer flange (24) of the hose coupling (10),
- wherein the ventilation device (18) further comprises a ventilation path (42) between the receptacle (22) and the interior of the hydrant, and
- wherein the ventilation path (42) comprises a first path (44) extending in the external flange (24) between the receptacle (22) and an external thread (14) of the hose coupling (10), and a second path (46) adjoining the first path (44), the second path (46) being formed as a recess incorporated in the external thread (14) of the hose coupling (10) in the axial direction thereof or the second path (46) being formed as a longitudinal bore within the material of the outer edge of the hose coupling (10).
Dependencies are inferred from the claim text.