Burn control apparatus for solid fuel
AssigneeZippo Manufacturing Company
InventorsWilliam Eugene Rabbitt, Robert F. Soreo
Life of this patent
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Abstract
An apparatus in which a solid fuel mass is burned controls the burn rate to slow the burning process and extend the lifespan of the solid fuel mass. The apparatus has a base cup configured to receive a lower portion of the solid fuel mass, and a descent cup configured to receive an upper portion of the solid fuel mass, wherein the descent cup includes a flame orifice. The descent cup is telescopically associated with the base cup and moves toward the base cup as the solid fuel mass is burned, and a flame produced as the solid fuel mass is burned extends outwardly from the flame orifice of the descent cup.
Claims13
An apparatus in which a solid fuel mass is burned, the apparatus comprising:
- a base cup configured to receive a lower portion of the solid fuel mass;
- and
- a descent cup configured to receive an upper portion of the solid fuel mass, the descent cup including a flame orifice;
- wherein the descent cup is telescopically associated with the base cup and moves toward the base cup as the solid fuel mass is burned;
- wherein a flame produced as the solid fuel mass is burned extends outwardly from the flame orifice of the descent cup;
- and
- wherein the base cup has an external cylindrical shape defined by an outer diameter, and the descent cup has an internal cylindrical shape defined by an inner diameter greater than the outer diameter of the base cup.
A method of burning a solid fuel mass, the method comprising:
- placing a lower portion of the solid fuel mass in a base cup;
- placing a descent cup over an upper portion of the solid fuel mass, the descent cup including a flame orifice;
- igniting the solid fuel mass such that a flame extends outwardly from the flame orifice of the descent cup;
- allowing the descent cup to descend toward the base cup as the solid fuel mass burns;
- and
- stopping the descent of the descent cup in a position wherein the base cup is at least partially received within an interior of the descent cup.
Dependencies are inferred from the claim text.