Dispensing cap with automatic valve for containers for transporting and dispensing liquid or creamy substances
First Claim
1. A dispensing cap with automatic valve for containers for transporting and dispensing liquid or creamy substances, comprising means for sealed fixing the cap to a container neck, and a dispensing port opening towards the outside of the cap and associated with said automatic valve, the valve comprising a body formed of soft plastic material and means for fixing the valve to the cap, and at least one first and one second flexible flap able to assume a closed position in which, when the valve is subjected to a pressure from inside the container less than a determined value, the flaps, by resting on each other, form a seal to prevent the substance in the container from escaping, and an open position in which said flaps, when the pressure from inside the container acting on said valve exceeds said predetermined value, flex to enable fluid dispensing, said first and said second flap are formed in at least two different planes, such that when the pressure inside the container equals the external pressure they assume a rest position in which between the lower surface of the first flap and the upper surface of the second flap at least one slit is present, enabling air to pass.
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Accused Products
Abstract
A dispensing cap with automatic valve for containers for transporting and dispensing liquid or creamy substances, including ways for its sealed fixing to a container neck, and a dispensing port associated with the automatic valve, the valve containing a body formed of soft plastic material and provided with ways for its fixing to the cap, and at least one first and one second flexible flap able to assume a closed position, the first and the second flap being formed in at least two different planes, such that when the pressure inside the can equals the external pressure they assume a rest position in which a passage space is present between them to enable air to pass.
18 Citations
15 Claims
- 1. A dispensing cap with automatic valve for containers for transporting and dispensing liquid or creamy substances, comprising means for sealed fixing the cap to a container neck, and a dispensing port opening towards the outside of the cap and associated with said automatic valve, the valve comprising a body formed of soft plastic material and means for fixing the valve to the cap, and at least one first and one second flexible flap able to assume a closed position in which, when the valve is subjected to a pressure from inside the container less than a determined value, the flaps, by resting on each other, form a seal to prevent the substance in the container from escaping, and an open position in which said flaps, when the pressure from inside the container acting on said valve exceeds said predetermined value, flex to enable fluid dispensing, said first and said second flap are formed in at least two different planes, such that when the pressure inside the container equals the external pressure they assume a rest position in which between the lower surface of the first flap and the upper surface of the second flap at least one slit is present, enabling air to pass.
Specification