IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0245650
(2002-09-17)
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발명자
/ 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
Jones, Walker, Waechte Poitevent, Carrere &
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인용정보 |
피인용 횟수 :
18 인용 특허 :
36 |
초록
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A self-heating container which comprises a container body having an internal beverage section and a thermic cavity. A liquid reactant is positioned in a first section of the thermic cavity and a solid reactant positioned in a second section of the thermic cavity. The solid reactant includes at least
A self-heating container which comprises a container body having an internal beverage section and a thermic cavity. A liquid reactant is positioned in a first section of the thermic cavity and a solid reactant positioned in a second section of the thermic cavity. The solid reactant includes at least 70% by weight CaO and at least 5% by weight of a carbonate from the group consisting of MgCO3, CaCO3, SrCO3, BaCO3, and RaCO3.
대표청구항
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I claim: 1. A self-heating container comprising: a. a container body with a thermic heating module cavity; b. a thermic heating module engaging said cavity; c. a vent combined with said thermic heating module, said vent resisting an internal pressure of more than 2 psi prior to activation of said
I claim: 1. A self-heating container comprising: a. a container body with a thermic heating module cavity; b. a thermic heating module engaging said cavity; c. a vent combined with said thermic heating module, said vent resisting an internal pressure of more than 2 psi prior to activation of said thermic heating module and resisting internal pressure of no more than 2 psi after activation of said thermic heating module. 2. The self-heating container according to claim 1, wherein a. said thermic heating module includes a dividing wall separating first and second chemical reactants and an end cap having an actuator for puncturing said dividing wall; and b. said is vent positioned between said end cap and said dividing wall and has a vent seal positioned to block said vent, said vent seal comprising a sealing disc constructed to move out of engagement with said vent upon activation of said module. 3. The self-heating container according to 2, wherein said thermic module includes a water cup positioned therein and said vent is formed by a series of ridges formed on a bottom perimeter surface of said water cup. 4. The self-heating container according to claim 3, wherein said sealing disc is positioned between said series of ridges and said end cap, said sealing disc further including a center aperture through which said actuator extends. 5. The self-heating container according to claim 1, wherein after activation of said module, said vent releases internal pressure at substantially atmospheric pressure. 6. A thermic module for a self-heating container, wherein said container includes a bottom end with a cavity having internal walls formed therein for receiving said thermic module, said thermic module further comprising: a. a first cup having plastic walls and containing a first chemical reactant; b. a second cup containing a second chemical reactant; c. a dividing wall positioned between said first and second cups such that said first and second chemical reactants cannot mix; d. an end cap positioned below said second cup and retaining said second chemical reactant within said second cup; e. an actuator fur puncturing said dividing wall positioned between said end cap and said dividing wall; f. a first vent positioned between said end cap and said dividing wall; and g. a vent seal operatively connected to said actuator and positioned to block said first vent, said vent seal being constructed such that depressing said actuator moves said vent seal to unblock said first vent. 7. The thermic module of claim 6, wherein said first vent comprises a series of ridges formed on a bottom perimeter surface of said second cup. 8. The thermic module of claim 7, wherein said vent seal is a sealing disc positioned between said series of ridges and said end cap, said sealing disc further including a center aperture through which said actuator extends. 9. The thermic module of claim 8, wherein said sealing disc is constructed of a material and thickness which withstands temperatures of up to approximately 150째 C. for at least ten minutes. 10. The thermic module of claim 8, wherein upward movement of said actuator moves said sealing disk out of engagement with said series of ridges. 11. The thermic module of claim 6, further comprising a second, pressure activated vent, wherein the pressure from mixing reactants must exceed at least about 2 psi before said second vent is activated. 12. The thermic module according to claim 6, wherein said thermic module comprises a solid reactant, said solid reactant including at least 70% by weight CaO and at least 5% by weight of a carbonate from the group consisting of MgCO3, CaCO3, SrCO3, BaCO 3, and RaCO3. 13. The thermic module according to claim 12, wherein said carbonate is between approximately 5% and 25% by weight of said solid reactant. 14. The thermic module according to claim 13, wherein said carbonate is approximately 12.5% by weight of said solid reactant. 15. The thermic module according to claim 6, further comprising: a. a container body incorporating said thermic module; a label fitted onto said container, said label comprising a first layer formed of a shrink-wrap material and a second insulating layer of a polymer foam material adhered to said layer of shrink-wrap material. 16. The thermic module according to claim 15, wherein a strip of absorbent material is positioned around the bottom portion of said container prior to the application of said label. 17. The thermic module according to claim 15, wherein a third layer of absorbent material is adhered to said second layer of insulating material. 18. The thermic module according to claim 17, wherein said absorbent material is a pliable highly absorbent paper. 19. The thermic module according to claim 15, wherein said thermic module is a heating module. 20. The thermic module according to claim 15, wherein said polymer foam material is adhered to said shrink wrap material prior to said label being applied to said container body. 21. A self-heating container, wherein said container includes a bottom end with a cavity having an internal wall formed therein for receiving said thermic module, said container further comprising: a. a first chemical reactant position within said cavity; b. a cup positioned below said first chemical reactant, said cup containing a second chemical reactant and having a sealing ring formed around an outside diameter of said cup in order to engage said internal wall of said cavity and form a moisture tight seal; c. an end cap positioned below said cup and retaining said second chemical reactant within said cup; d. an actuator for puncturing a top portion of said cup; e. a vent positioned between said end cap and said top portion of said cup; and f. a vent seal operatively connected to said actuator and positioned to block said vent, said vent seal being constructed such that depressing said actuator moves said vent seal to unblock said vent. 22. A thermic module for a self-heating container, wherein said container includes a bottom end with a cavity having internal walls formed therein for receiving said thermic module, said thermic module further comprising: a. a first cup having plastic walls and containing a first chemical reactant; b. a second cup containing a second chemical reactant; c. a dividing wall positioned between said first and second cups such that said first and second chemical reactants cannot mix; d. an end cap positioned below said second cup and retaining said second chemical reactant within said second cup; e. an actuator for puncturing said dividing wall positioned between said end cap and said dividing wall; f. a first vent positioned between said end cap and said dividing wall and comprising a series of ridges formed on a bottom perimeter surface of said second cup; and g. a vent seal positioned to block said first vent, said vent seal comprising a sealing disc positioned between said series of ridges and said end cap, said sealing disc further including a center aperture through which said actuator extends, thereby unblocking said first vent upon activation of said module.
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