作者: James A. Carson
DOI:
关键词:
摘要: An air removal device which extracts from within an tight flexible wall storage container such as a plastic bag, after the has been sealed, to provide internal environment of reduced atmospheric pressure container. The contains valve and housing is releasably attached providing self contained mechanism for puncturing device, inserting single directional resealing thereon can then be pump. invention employs employing techniques enhance quality life perishables other items.