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US 8,186,995 B2Granted
Survival tool fire starter with mischmetal flint rod
OwnerAndrew C. Putrello, Jr.inventor
Life of this patent
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Abstract
A fire-starter device for survival or emergency use has a handle portion and case portion that twist together, to sheath a mischmetal flint rod inside the case, and a seal ring protects the flint rod from environmental moisture. The case has a steel strike plate and a guide channel. The mischmetal flint rod favorably has a composition of cerium—50%, lanthanum—26%, magnesium—10%, praseodymium—3%, neodymium—1%, and iron—10%.
Claims5
A flint-based fire-starter survival tool, comprising
- a handle portion which includes
- a handle base having a gripping surface;
- a male threaded portion extending distally from the handle base;
- and
- a mischmetal flint rod extending distally from said male threaded portion, wherein said rod is formed of a mischmetal material having a high standard reduction potential and a composition, by weight, as follows:
- Cerium—one half
- Lanthanum—26%
- Magnesium—at least ten percent
- Other rare earth elements—up to five percent
- Iron—balance;
- and
- a case portion that detachably mates with said handle portion to sheath said flint rod, and which includes
- a case base having an axial cavity adapted to accept said mischmetal flint rod and a female threaded portion at a proximal end of said axial cavity to mate with said male threaded portion;
- a steel strike plate affixed to a distal surface of said case base;
- and
- a guide channel formed in said case base leading to said strike plate for guiding said flint rod to contact said strike plate.
13 more elements
Dependencies are inferred from the claim text.