Patent ID: 11938496
Assignee: APTAR ITALIA S.P.A.
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 5:
6. The dispenser according to claim 1, wherein said second shutoff element comprises:
an anchoring portion designed to be received in a receiving portion of said dispensing head in such a way as to make said second shutoff element and said dispensing head integral with each other;
a sealing portion, having a substantially elongate shape and designed to occlude said central opening, forming a closed configuration of the delivery valve;
a connecting portion, joining said sealing portion to said anchoring portion and configured to allow the movement, by elastic deformation, of said sealing portion relative to said anchoring portion in such a way as to open the delivery valve in the case of a pressure of said dosing chamber greater than a predetermined threshold value.