Title: Reclosable air-tight containers with evacuation means

Abstract: A container for perishable articles or substances includes a replaceable closure member capable of forming an airtight seal with a body portion of the container. An evacuation valve is provided on the closure member or another accessible part of the container allowing substantially complete evacuation of air trapped therein after closing the container. Means is also provided to relieve the vacuum to facilitate reopening of the container. The invention is applicable to household containers for foodstuffs as well as industrial containers for chemicals, pharmaceuticals and other materials requiring an air-free environment.

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Inventors: Rossi, Thomas J. (Sumner, MD, US)

Application Number: 515719
Filing Date: 1974-10-17
Publication_date: 1976-03-16
Assignee:
Primary Class(es): 206/524.8 53/432, 220/203.04, 312/284, 426/404
Other Classes:
US Patent Ref:

1598590	Aug, 1926	Staunton	215/262.
2890810	Jun, 1959	Rohling	220/231.
3233727	Feb, 1966	Wilson	220/367.
3415357	Dec, 1968	VAN Natter	206/315.
3511288	May, 1970	Swett et al.	150/.

Other Refs:
Primary Examiner: Hall, George T.
Assistant Examiner:
Attorney: Fishburne, Jr.; B. P.