Protective device for thermochemical ice penetrator

Details Protective device for thermochemical ice penetrator Protective device for thermochemical ice penetrator

1992-01-10

1993-09-21

Neuder, William P.

Boring or penetrating the earth

Ice boring

299 3, F25C 504

Patent

active

052460789

ABSTRACT:
Improved ice penetrator apparatus includes protective apparatus for the thermochemical ice penetrator to prevent an undesired explosive sound producing chemical reaction between water and the material of said ice penetrator, particularly while the penetrator is resident in a buoy tube prior to release. The protective apparatus at least partially covers the thermochemical ice penetrator and forms a unitary assembly therewith. The characteristic of the protective material is such that it is non-reactive to the ice penetrator material, typically lithium and/or a sodium lithium alloy, and to water. The protective apparatus may assume any of a diving bell, clam shell and banana skin structural form.

REFERENCES:
patent: 4651834 (1987-03-01), Eninger et al.
patent: 4923019 (1990-05-01), Gammon

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