[특허]Dual state food packaging

Dual state food packaging 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65D-081/20 B65D-001/34
출원번호	US-0064700 (1993-05-20)
발명자 / 주소	Gorlich Michael P. (Hilton Head Island SC)
출원인 / 주소	World Class Packaging Systems, Inc. (Hilton Head Island SC 02)
인용정보	피인용 횟수 : 66 인용 특허 : 0

초록 ▼

Dual state packaging may be implemented with a tray having a peripheral flange adapted to receive a pair of membranes to enclose the tray. The lower membrane is the more permeable of the two. It may be attached to a first surface of the flange. The second membrane is attached to a second outer surface of the flange without direct connection except through the tray to the more permeable membrane. The two connection surfaces may be separated by a depression to facilitate the cutting away of the material forming the more permeable membrane in a continuous manufacturing process. With the less permeable membrane in place, a desired gaseous environment may be maintained within the package. When it is desired to change the gaseous environment, the upper less permeable membrane may be peeled away allowing gaseous communication through the lower more permeable membrane.

대표청구항 ▼

A package for selectively permitting gaseous communication with the atmosphere comprising: a tray having sidewalls defining a cavity; a product to be exposed to varying gaseous conditions contained in said cavity of said tray; said tray comprising an outwardly directed flange extending around the perimeter of said tray; said flange comprising an inner flange portion adjacent said sidewalls and an outer flange portion that is further away from said sidewalls than said inner flange portion; said flange further comprising a depressed portion between said inner and outer flange portions, said depressed portion extending downwardly from and connected to both said inner and outer flange portions to form a depression in said flange, said inner and outer flange portions and said depression extending completely around the perimeter of said tray; said package further comprising an upper membrane and a lower membrane; said lower membrane being more gas permeable than said upper membrane; said lower membrane extending entirely across the cavity of said tray and secured to said inner flange portion completely around its perimeter to enclose said product in said tray cavity; said upper membrane, being less gas permeable than said lower membrane, completely coveting said lower membrane but being unsecured to said lower membrane; said upper membrane being secured to said outer flange portion to completely seal and enclose the lower membrane and the product in the tray cavity; said lower membrane not extending outwardly beyond said depression and onto said outer flange portion; and said lower membrane being obtained from a larger web of material, and said depression is designed to facilitate the cutting of said lower membrane from said web after said web is placed on said tray during manufacture of said package.

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James R. Mabry ; Henry Walker Stockley, III ; E. Susanne Troutt, Dual web package having improved gaseous exchange.
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Noel David C. (Greer SC) Barmore Charles R. (Moore SC) Stockley ; III H. Walker (Spartanburg SC) Troutt E. Susanne (Spartanburg SC), Dual web package having improved gaseous exchange.
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Mueller, Walter B., Laminate for case-ready packaging including a gas-impermeable film capable of delaminating into a gas-permeable portion and a gas-impermeable portion, and a gas-permeable film bonded thereto.
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Kocher Patrick N. ; Mudar Kimberly Ann ; Mueller Walter Berndt ; Stockley H. Walker, Laminate having a coextruded, multilayer film which delaminates and package made therefrom.
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Kocher Patrick N. ; Mudar Kimberly Ann ; Mueller Walter Berndt ; Stockley H. Walker, Laminate having a coextruded, multilayer film which delaminates and package made therefrom.
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Kocher Patrick N. ; Owens Robin D., Lidded package having a tab to facilitate peeling.
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Sanfilippo James J. ; Sanfilippo John E. ; Edwards Bruce E., Meat packaging apparatus and method.
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DelDuca Gary R. ; Goulette Stephen L. ; Hansen Darryl P. ; Luthra Vinod K., Method and apparatus for inserting an oxygen scavenger into a modified atmosphere package.
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Kocher Patrick N., Method and apparatus for making a peelable film.
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Noel David C. (Greer SC) Stockley ; III Henry W. (Spartanburg SC), Method of preparing a package having a multiple-film lid.
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Stockley ; III Henry W. (Spartanburg SC) Krebs Art T. (Spartanburg SC), Method of shrinking film to apply lidstock and package made therefrom.
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DelDuca, Gary R.; Deyo, Alan E.; Luthra, Vinod K.; Wu, Wen P., Methods of using an oxygen scavenger.
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DelDuca, Gary R.; Deyo, Alan E.; Luthra, Vinod K.; Wu, Wen P., Methods of using an oxygen scavenger.
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DelDuca,Gary R.; Deyo,Alan E.; Luthra,Vinod K.; Wu,Wen P., Methods of using an oxygen scavenger.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Dual state food packaging 원문보기

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Dual state food packaging 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (66)

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