Joints and connections – Including frangible component
Patent
1977-09-23
1978-08-15
Kundrat, Andrew V.
Joints and connections
Including frangible component
403 16, 403379, 102 495, F16B 100
Patent
active
041068750
ABSTRACT:
A pair of structural members are coupled by a tongue and groove joint hav a groove half and a tongue half. To secure the joint, bolts extend transversely through aligned bolt holes and, on each side of the tongue half holes, are so-called `collapsing` slots. A linear explosive is placed in the base of the groove near the inner end of the tongue. The metal thickness of the tongue lying between the explosive and its holes and slots forms a `web` which, upon detonation, collapses into the slots. The collapse stretches the web portion adjacent the bolt holes sufficiently to produce a rupture or opening through which the bolts pass to permit separation of the structural members. The separation also is responsive to the explosive force so that the members are accelerated apart in opposite directions.
REFERENCES:
patent: 3139031 (1964-06-01), Schroter et al.
patent: 3230885 (1966-01-01), Weber et al.
patent: 3362290 (1968-01-01), Carr et al.
patent: 3486410 (1969-12-01), Drexelius et al.
Critchlow Paul N.
Kundrat Andrew V.
Sciascia Richard S.
The United States of America as represented by the Secretary of
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