Patent ID: 11884477
Assignee: APTAR DORTMUND GMBH
Field: Handling (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 14:
15. A dispensing apparatus configured for dispensing a fluid comprising:
a container and a valve, the valve comprising a valve housing,
a valve element movably arranged in the valve housing and a spring device configured to return the valve element to a closed position, the spring device comprising a contact region sliding on a counterface of the valve housing when moving the valve element from a closed to an open position and vice versa,
wherein materials of the spring device or contact region and of the counterface are matched to one another in such a way that the contact region slides at least substantially silently on the counterface during a movement of the valve element; and wherein the contact area and/or the counterface consist at least predominantly of polyketone.