Methods and plugs to seal apertures in tube plates of heat excha

Details Methods and plugs to seal apertures in tube plates of heat excha Methods and plugs to seal apertures in tube plates of heat excha

1977-02-10

1978-02-21

Myhre, Charles J.

Ammunition and explosives

Igniting devices and systems

138 89, 138 97, 165 76, F42B 304, F16L 5510, F28F 1100

Patent

active

040746305

ABSTRACT:
A method and a plug to seal a defective tube of a heat exchanger in the place, where said tube extends in a tube plate, said plug being inserted in the tube plate and having two coaxial cavities, each of which is open at one end and contains an explosive charge and firing means, and said plug being jammed in the tube plate in a gas and liquid tight manner by its radial expansion due to the explosion of its charges -- and a heat exchanger, of which at least one of its tubes has been plugged by means of the described plugs.

REFERENCES:
patent: 3203479 (1965-08-01), Hindman
patent: 3555656 (1971-01-01), Brown et al.
patent: 3590877 (1971-07-01), Leopold et al.
patent: 3724062 (1973-04-01), Cantrell et al.
patent: 3785291 (1974-01-01), Bergbauer et al.
patent: 3919940 (1975-11-01), Ploger et al.

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