Method for pressurizing containers with nitrogen
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65B-031/00
B65D-051/28
B65D-025/08
B65D-081/20
B65D-081/28
출원번호
US-0814097
(2010-06-11)
등록번호
US-9051098
(2015-06-09)
발명자
/ 주소
Abercrombie, III, James Scott
Day, Nicholas Joseph
Naud, Darren L.
출원인 / 주소
Inoflate, LLC
대리인 / 주소
Ohlandt, Greeley, Ruggiero & Perle, LLP
인용정보
피인용 횟수 :
2인용 특허 :
56
초록▼
A container comprising a compartment and a closure, which hermetically seals the compartment. The closure comprises an active insert device that comprises one or more reactants that when initiated enter into a diazotization reaction produces nitrogen gas which is delivered to the compartment to incr
A container comprising a compartment and a closure, which hermetically seals the compartment. The closure comprises an active insert device that comprises one or more reactants that when initiated enter into a diazotization reaction produces nitrogen gas which is delivered to the compartment to increase the pressure of the compartment. The active insert device includes a filter that filters the gas and a vent port through which the gas is delivered to the compartment. A seal opens and closes the vent port based on a pressure difference between the compartment and the vent port side of the seal.
대표청구항▼
1. A method for delivering a gas to a container that includes a closure that hermetically seals and closes said container, said method comprising: disposing an active insert device into said container, wherein said active insert device comprises one or more reactants, wherein one of said reactants c
1. A method for delivering a gas to a container that includes a closure that hermetically seals and closes said container, said method comprising: disposing an active insert device into said container, wherein said active insert device comprises one or more reactants, wherein one of said reactants comprises a primary amine selected from the group consisting of: sodium sulfamate, n-propyl amine, anilene, propylamide, and o-propyl sulfamate;initiating said reactants into a diazotization reaction to produce a gas within said active insert device; anddelivering said gas to a headspace of said container, thereby increasing a pressure of said headspace of said container. 2. The method of claim 1, wherein said primary amine is from the group of R—NH2, where R is selected from the group consisting of: normal alkyl amines, aromatic amines, amides, and salts of sulfamates. 3. The method of claim 1, wherein a second of said reactants comprises a proton donor and either a nitrite salt or a nitrite ester. 4. The method of claim 3, wherein said nitrite salt is selected from the group of the salts of nitrous acid, consisting of: lithium nitrite, sodium nitrite, potassium nitrite, calcium nitrite, and barium nitrite, and wherein said nitrite ester is selected from a group consisting of: nitrite esters of alcohols. 5. The method of claim 3, wherein said proton donor is any organic acid or any non-organic acid. 6. The method of claim 5, wherein said organic acid is selected from the group consisting of: mono and dihydrogen citrates, citric, ascorbic, carboxylic and phenolic acids, and wherein said non-organic acid is selected from the group consisting of: hydrochloric, sulfuric and bisulfate. 7. The method of claim 1, wherein said diazotization reaction is initiated in response to energy provided by an external energy source. 8. The method of claim 7, wherein said energy creates contact between the reactants and initiates said diazotization reaction. 9. The method of claim 7, wherein said active insert device further comprises a heat producing element in thermal transfer relationship to said reactant, and wherein said source of energy provides electromagnetic energy that induces an electrical current in said heat producing element so as to thermally initiate said diazotization reaction. 10. The method of claim 1, wherein said active insert device is disposed on said closure, and wherein said disposing step comprises fastening said closure to said container. 11. The method of claim 1, further comprising: filtering said gas before delivery to said headspace of said container. 12. The method of claim 11, wherein said gas is nitrogen, and wherein said filtering step uses a filter material that retains reaction products of said reaction while allowing said nitrogen gas to be delivered to said headspace of said container. 13. The method of claim 12, wherein said filter material contains a mixture of permanganate, hydroxide and activated carbon that allows nitrogen gas to be delivered to said headspace of said container while retaining any carbon dioxide, oxides of nitrogen, formaldehyde, acid gases, amines, chlorine, cyanide, nitrates, nitrites and hydrocarbons of said reaction. 14. The method of claim 1, wherein said gas is delivered to said headspace of said container via at least one vent port, further comprising; closing said vent port when a pressure on the active insert device side of said vent port equalizes with a pressure of said headspace of said container so as to prevent back flow.
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