초록

A protected trigger usable in initiating crystallization of a supercooled salt solution comprises a thin metallic strip containing multiple openings. The strip is protected as by a peripheral frame and/or by a metallic coating.

대표청구항 ▼

For use in initiating crystallization of a supercooled salt solution, a trigger comprising (a) a thin, metallic strip having a perimeter, (b) said strip having a multiplicity of openings formed therein, each opening characterized as having opposed edges which face one another in near touching relati

For use in initiating crystallization of a supercooled salt solution, a trigger comprising (a) a thin, metallic strip having a perimeter, (b) said strip having a multiplicity of openings formed therein, each opening characterized as having opposed edges which face one another in near touching relation, (c) the strip further characterized as having configurations between which it is bendable for causing said edges to initiate progressive exothermic crystallization of said salt in the solution, (d) and a non-metallic, cup-shaped frame extending about said perimeter and receiving and mounting said strip, the frame defining openings at opposite sides of the strip, one opening larger than the other, (e) the frame having a side wall which supports the periphery of the metallic strip so that a central portion of the strip may be flexed relative to said side wall.