Vessel cap
AssigneeGobubl Limited
InventorMICHAEL DAVID GORMLEY
Life of this patent
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Abstract
A vessel cap (100, 10) for exchanging gas in and pressuring a vessel headspace (30), the cap (100, 10) comprising a cap inlet (11), a seal (12) arranged to form a gas-tight seal on a vessel opening, a pressure reducing valve, a gas inlet port (25) arranged to allow incoming gas into the vessel headspace (30), a gas outlet port (31) arranged to allow outgoing gas to escape from the vessel headspace (30).
Claims44
A vessel cap for exchanging gas in and pressuring a vessel headspace, the cap comprising:
- a cap inlet;
- a seal arranged to form a gas-tight seal on a vessel opening;
- a pressure reducing valve;
- a gas inlet port arranged to allow incoming gas into the vessel headspace;
- a gas outlet port arranged to allow outgoing gas to escape from the vessel headspace.
The cap of any preceding claim wherein the pressure reducing valve comprises a movable member, the movable member having a first surface in fluid communication with the cap inlet.
The cap of any preceding claim wherein the gas inlet port comprises a non-return valve.
The cap of any preceding claim wherein the gas outlet allows outgoing gas to escape to atmosphere.
The cap of any preceding claim further comprising a two-stage seal and unseal arrangement.
The cap of any preceding claim further comprising a lever comprising a lip arranged to engage with the neck of the vessel to provide the gas-tight seal.
The cap of any preceding claim wherein the incoming gas comprises carbon dioxide.
The cap of any preceding claim wherein the outgoing gas comprises air.
A method for exchanging gas in and pressuring a vessel headspace, the method comprising:
- providing a cap inlet;
- providing a seal arranged to form a gas-tight seal on a vessel opening;
- providing a pressure reducing valve;
- providing a gas inlet port arranged to allow incoming gas into the vessel headspace;
- providing a gas outlet port arranged to allow outgoing gas to escape from the vessel headspace.
Dependencies are inferred from the claim text.