Heater product, system and composition
First Claim
Patent Images
1. A heater product comprising:
- a first cavity in which a first part of a heater composition is disposed, the first part comprising calcium oxide;
a second cavity in which a second part of a heater composition is disposed, the second part comprising water, an reaction-initiation delayer and water-release limiter; and
a barrier between the first cavity and the second cavity, such that when the barrier is removed, the first and second parts combine to provide an exothermic reaction.
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Abstract
A heater product may have a first cavity in which a first part of a heater composition is disposed, a second cavity in which a second part of a heater composition is disposed, and a barrier between the first cavity and the second cavity, such that when the barrier is removed, the first and second parts combine to provide an exothermic reaction. A pull strip may be used to remove the barrier, and at least one reinforcing strip may be used to guide the pull strip. The first part may include calcium oxide and the second part may include water, an reaction-initiation delayer and water-release limiter.
133 Citations
21 Claims
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1. A heater product comprising:
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a first cavity in which a first part of a heater composition is disposed, the first part comprising calcium oxide;
a second cavity in which a second part of a heater composition is disposed, the second part comprising water, an reaction-initiation delayer and water-release limiter; and
a barrier between the first cavity and the second cavity, such that when the barrier is removed, the first and second parts combine to provide an exothermic reaction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A heater product comprising:
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an outer pouch, the outer pouch having a wall with an inner surface that defines an outer pouch cavity and an opening therethrough;
an inner pouch disposed within the outer pouch cavity and attached to the outer pouch, the inner pouch having a wall with an inner surface that defines at least one inner pouch cavity and an outer surface;
a pull strip with a first portion secured to the outer surface of the inner pouch and a second portion disposed through the opening in the outer pouch;
at least one reinforcing strip secured to the outer surface of the inner pouch to guide a tear formed in the wall of the inner pouch when force is applied to the pull strip;
a first part of a heater composition disposed in the outer pouch cavity and a second part of a heater composition disposed in the inner pouch cavity, the first and second parts capable of an exothermic reaction when combined. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification