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Void-Free Lid for Food PackagingFlexible cover eliminates air pockets in sealed container. Universal food-package lid formed from flexible plastic. Partially folded, lid unfolded by depressing center portion. Height of flat portion of lid above flange thereby reduced. Pressure of food against central oval depression pops it out, forming dome that provides finger grip for mixing contents with water or opening lid. Therefore food stays fresh, allows compact stacking of partially filled containers, and resists crushing. Originally developed for packaging dehydrated food for use in human consumption on Space Shuttle missions. Other uses include home canning and commercial food packaging.
Document ID
19860000189
Document Type
Other - NASA Tech Brief
Authors
Watson, C. D. (ESD Corp.)
Farris, W. P. (ESD Corp.)
Date Acquired
August 12, 2013
Publication Date
June 1, 1986
Publication Information
Publication: NASA Tech Briefs
Volume: 10
Issue: 2
ISSN: 0145-319X
Subject Category
FABRICATION TECHNOLOGY
Report/Patent Number
MSC-20661
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.