Being the valve for the fluid dosage which is installed in the neck of the container where the fluid enters, the aforementioned valve to have the valve, itself as for the valve itself, to possess with the valve component which can move with pause position and dosage position in the quantitative chamber and the aforementioned quantitative chamber, aforementioned quantitative chamber to have with the aforementioned valve component and above cooperating in resistance leakage state, the gasket and the bottom gasket, the aforementioned valve the aforementioned valve itself and to have the neck gasket which in the neck of the aforementioned container cooperates in resistance leakage state, as for the aforementioned neck gasket, the gasket above the description above of the quantitative chamberThe valve that it is made, inside the gasket underneath the description above on the one hand and as the detail part which is unified.流体が入った容器のネックに設置される流体投与のための弁であって、前記弁は弁本体を有し、弁本体は、定量チャンバと前記定量チャンバの中で休止位置と投与位置との間を移動することができる弁部材とを有し、前記定量チャンバは、前記弁部材と耐漏洩様態で協働する上側ガスケットと下側ガスケットとを有し、前記弁は、前記弁本体と前記容器のネックとに耐漏洩様態で協働するネックガスケットを有し、前記ネックガスケットは、定量チャンバの前記上側ガスケットと前記下側ガスケットとのうち一方と一体化された単一部品として作られている、という弁。
