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REGULATING APPARATUS FOR A PRESSURE ACTIVATED ONE-WAY VALVE

[Category : - OTHER]
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A regulating apparatus for a pressure activated one-way valve. The one-way valve is for mounting on a container to permit the release of gas from within the container and to control the ingress of atmospheric air. The regulating apparatus comprises a sealed and expandable chamber containing a gas. The chamber is operatively associated with the one-way valve such that when the chamber is exposed to elevated temperatures and/or reduced external pressure the gas within the chamber expands and exerts a force upon the one-way valve or portions thereof. The force tends to maintain the one-way valve in a closed or semi-closed configuration.

This is a low profile add on to various valves to eliminate or reduce the bricking effect when coffee packages or other valve packages experience large pressure or temperature changes.

Related patents are active in Canada, United Kingdom, Germany, France, Ireland, Netherlands and Italy.

Three research papers on headspace composition, factors affecting degassing quantities and valve function, design and application.

Patent publications:

US 9657856

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o2i (Canada)

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