Aroma-preserving canister for coffee and other granulated products

Abstract

The invention relates to an improved canister for preserving aroma of coffee or other spices having aroma, comprising; a hollow body of the canister and a cap sealing the body, wherein the improved canister is characterized by having an elastic disk sealing the canister and placed horizontally inside the canister at about 0.5-1.5 cm under the cap, the disk having a major stationary portion and a minor movable portion, and the cap, the body of the canister or the movable portion contains means for pressing and bending the disk movable portion downwardly when the canister is sealed and having optionally means for retracting the disk movable portion back to its original horizontal sealing position when the canister is uncapped. Thus the aroma and freshness are preserved in the unused product in a hygienic manner.

Dependencies are inferred from the claim text.