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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||426/410 ; 53/408 ; 53/433 ; 53/434|
|발명자 / 주소||
|출원인 / 주소||
|인용정보||피인용 횟수 : 19 인용 특허 : 0|
A process for packaging units of food in which the food units are placed on a bottom film and slits made in the film. The film with the food units thereon is passed into an open chamber, the chamber closed, and a vacuum drawn on it followed by back-filling with a substantially oxygen-free gas. The film with the food units thereon and a top film over the units is then subjected to vacuum and the top and the bottom films sealed. Alternately the package may be back-filled with oxygen-free gas prior to being sealed about the food unit. The disclosure include...
A process for packaging foods comprising passing a unit of food between a top film and a bottom film into an open first chamber, said bottom film having an opening therein to one side of said unit, withdrawing air from said first chamber through a passage which is open at a position below said opening, whereby pressure within said chamber is reduced, sealing said top and bottom films along a line which extends about said unit and encloses said opening, introducing a gas which is substantially free of oxygen through a passage which opens at a position und...