Insertable thermotic module for self-heating cans
AssigneeExpressasia Berhad
InventorKenneth W. Kolb
Life of this patent
Estimating the term…
Abstract
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.
Claims22
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.
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.
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.
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.
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.
Dependencies are inferred from the claim text.