Heating-nozzle arrangement
AssigneeTetra Laval Holdings & Finance S.A.
InventorBent MADSEN
Life of this patent
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Abstract
A heating-nozzle arrangement for heating a partly formed packaging container, comprises one or more nozzle assemblies, arranged to direct a heated air flow to portions of a packaging container to be sealed; a gas-supply portion, arranged to supply a mass flow of heated gas to the nozzle assembly, further the nozzle assembly comprises at least a first and a second hole pattern and that the heating-nozzle arrangement further comprises a selector for directing the mass flow of heated air towards the first hole pattern or the second hole pattern respectively.
Claims14
A heating-nozzle arrangement for heating a partly formed packaging container, the heating-nozzle arrangement comprising:
- one or more nozzle assemblies, arranged to direct a heated gas flow to portions of a packaging container to be sealed;
- an air-supply portion, arranged to supply a mass flow of heated air to the nozzle assembly;
- the nozzle assembly comprising a plurality of holes arranged in at least a first hole pattern and a second hole pattern;
- and
- a selector for directing the mass flow of heated air towards the first hole pattern or the second hole pattern respectively, the heating nozzle arrangement being operable according to a first operation condition in which the mass flow of heated air is directed to the first hole pattern and a second hole pattern so that the heated air flows out the holes in both the first and second hole patterns and a second operation condition in which the mass flow of heated air is directed to the first hole pattern only so that the heated air flows out the holes in only the first hole pattern, the selector being configured to to change between the first and second operating conditions.
Dependencies are inferred from the claim text.