Method of explosively expanding tubes

Details Method of explosively expanding tubes Method of explosively expanding tubes

1974-06-17

1976-02-24

Lanham, C. W.

Metal deforming

By application of fluent medium, or energy field

By kinetic energy of fluid or field

29421E, B21D 2602

Patent

active

039396819

ABSTRACT:
This invention provides a method of securing the tube ends of a plurality of explosively expandable metal tubes to a tube plate in which the tubes are inserted utilizing explosive cartridges equipped with a heat sensitive means. The heat sensitive means is in operative proximity to the explosive charges. There are also provided heating means capable of effectively heating the heat sensitive means. Expansion of the tubes located at multiple positions is effected by successively exploding the charges by the application of heat energy to the heat sensitive means.

REFERENCES:
patent: 3409969 (1968-11-01), Simons et al.
patent: 3426681 (1969-02-01), Oliver
patent: 3442105 (1969-05-01), Susnowicz et al.
patent: 3503110 (1970-03-01), Berry et al.
patent: 3672035 (1972-06-01), Liberman
patent: 3739614 (1973-06-01), Cranston

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