Patent 10358275 was granted and assigned to Plitek on July, 2019 by the United States Patent and Trademark Office.
One-way pressure relief valves having a plural-part dry strap are disclosed. One-way pressure relief valves may be applied to a product package to evacuate gas from the package. In embodiments, the plural-part dry strap comprises overlapping dry strap parts which impart improved operation to the valve.