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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||426/396 ; 53/84 ; 53/425 ; 53/432|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 27 인용 특허 : 0|
Open-top cup-shaped containers which contain supplies of perishable foodstuffs are transported seriatim past a station where they receive jets of preserving gas which expels air from the unfilled portions of containers, and the containers are then sealed by application of metallic or plastic foils which are bonded or otherwise sealingly secured to washer-like rims surrounding the open tops of the containers. The foils can be partially applied ahead of the gas introducing station and are thereupon finally sealed in at least one second step, particularly i...
A method of preserving perishable goods which are stored in substantially cup-shaped containers having open tops and are sealable in said containers by closures overlying the open tops, comprising the steps of partially attaching the closures to the containers so as to establish at least one path for evacuation of air from each container; introducing into the containers a preserving gas such that the introduced gas expands in and expels air from those portions of the containers which are not filled with goods by causing air to leave the containers along ...