Device to remove atmospheric oxygen and the closure of glass jars and other containers canning similar for fresh conservation of foodstuffs class.

摘要

Device to remove atmospheric oxygen and the closure of glass jars canning and other containers of similar kind for fresh conservation characterized food because a closure disk (a) which may be coal asbestos or other porous suitable material and fireproof is attached to the bottom of the jar lid (f) whose back is provided with a thin layer (b) sealing of bottles.