Method of assessing the product shelf life in a package
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01N-015/08
G01N-017/00
출원번호
US-0184496
(2005-07-19)
등록번호
US-7278292
(2007-10-09)
우선권정보
DE-10 2004 039 210(2004-08-12)
발명자
/ 주소
Wild,Hans Peter
K?ssner,Klaus
Spinner,Frank
출원인 / 주소
Rudolf Wild GmbH & Co. KG
대리인 / 주소
Stroock & Stroock & Lavan LLP
인용정보
피인용 횟수 :
1인용 특허 :
8
초록▼
A method for the assessment of the product shelf life in a package, and a device for accelerating the permeation of a test gas into a package. To significantly reduce the test time and to accelerate the permeation of a test gas, and in order to supply realistic results of the time-dependent permeati
A method for the assessment of the product shelf life in a package, and a device for accelerating the permeation of a test gas into a package. To significantly reduce the test time and to accelerate the permeation of a test gas, and in order to supply realistic results of the time-dependent permeations into the charged product in a simple manner, a closed package filled with charged product is placed in an overpressure chamber, and stored in the overpressure chamber over a specified time period under overpressure and at a specified temperature in a test gas atmosphere, wherein a defined amount of test gas permeates into the package. The package is stored over a certain time period under the influence of heat and/or light and then the charged product is subjected to analytical and/or sensory examination. The device includes an overpressure container for the accommodation of at least one package with a closable inlet opening, a gas inlet for feeding the test gas, a gas outlet for discharging the test gas, and a device for setting and maintaining an overpressure.
대표청구항▼
The invention claimed is: 1. Method for the assessment of a product shelf life in a package, comprising the following steps of: a) placing a closed package (4), filled with the charged product, in an overpressure chamber (1); b) storing the package (4) in the overpressure chamber (1) over a time pe
The invention claimed is: 1. Method for the assessment of a product shelf life in a package, comprising the following steps of: a) placing a closed package (4), filled with the charged product, in an overpressure chamber (1); b) storing the package (4) in the overpressure chamber (1) over a time period t1 at overpressure p1 and at a certain temperature T1 in a test gas atmosphere, wherein a defined amount Q of the test gas permeates into the package; c) storing the package (4) over a certain time period t2 under the influence of heat and/or light; and d) conducting analytical and/or sensory examination of the charged product, subsequent to storing the package over time period t2, for an amount of the test gas. 2. Method according to claim 1, wherein the test gas comprises O2. 3. Method according to claim 2, wherein the test gas comprises pure O2. 4. Method according to claim 1, wherein the temperature T1 in step b) lies in a range from approximately 5? C. to 40? C. 5. Method according to claim 4, wherein the temperature T1 in step b) lies in the range from approximately 15 to 25? C. 6. Method according to claim 1, wherein in step b) the overpressure p1 lies in a range up to approximately 2.5 MPa. 7. Method according to claim 1, wherein in step b) in the overpressure chamber (1) a relative settable moisture content is set which lies in a range from approximately 0 to 100%. 8. The method according to claim 1, wherein the temperature T2 in step c) lies in a range from approximately 25 to 60? C. 9. Method according to claim 1, and the additional step of determining a real storage time period treal equivalent to the time period t1 in which the same defined quantity Q of the test gas permeates into the package (4) at ambient pressure (standard pressure) Pstandard. 10. Method according to claim 1, wherein for step b) the time t1 and the overpressure p1 as well as the temperature T1 are established such that a defined amount Q of test gas permeates into the package (4), which corresponds to the amount Qreal, which permeates into the package in real time at ambient pressure (standard pressure) Pstandard. 11. Method according to claim 1, wherein the package is a plastic bottle. 12. Method according to claim 1, wherein in step c), the time period t2 lies in a range from 48 to 720 hours. 13. Method according to claim 1, in that after step c), when in connection with carbonized CO2 charged product, the step of setting the CO2 content of the charged product to correspond to the CO2 content which the charged product would have after storage over the real-time storage period treal. 14. The method according to claim 1, wherein in step b) in the overpressure chamber (1) a relative moisture content is set which lies in a range from approximately 40 to 50%. 15. The method according to claim 1, comprising accelerating the permeation of the test gas into the package (4) by using a device comprising: an overpressure container (1) for the accommodation of at least one package (4) with a closable inlet opening (9), a gas inlet (2) for feeding in the test gas, a gas outlet (3) for discharging the test gas, and a facility for setting and holding an overpressure (p1). 16. The method according to claim 15, wherein the device comprises a heating device (5) for maintaining the at least one package (4) at a certain temperature T1. 17. The method according to claim 15, wherein the device comprises a facility (11) for setting the relative moisture content in the overpressure container (1). 18. The method according to claim 15, wherein the gas outlet (3) is connected to a gas measurement system (8) for the analysis of the atmospheric composition of the test gas inside the overpressure container. 19. The method according to claim 15, wherein the container can be operated in a pressure range up to approximately 2.5 MPa. 20. The method according to claim 19, wherein the pressure range is up to approximately 2.0 MPa.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (8)
Tata, Murthy, Apparatus and technique for measuring permeability and permeant sorption.
Izutsu, Naoki; Yajima, Nobuyuki, Method of measuring gas transmission rate of plastic film and measuring apparatus and computer program product used therefor.
Lyssy Georges H. (Rotfluhstrasse 87 CH 8702 Zollikon ; Zurich CH), Process for measuring permeability to gas of walls and/or closure of three-dimensional encasing elements.
Mayer, Daniel W.; Tuomela, Stephen D., Method of measuring the transmission rate of a permeant through a container and determining shelf life of a packaged product within the container.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.