Explosion resistant assembly including mutually engageable...

F - Mech Eng,Light,Heat,Weapons – 42 – B

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Details

F42B 39/00 (2006.01) B65D 88/14 (2006.01) B65D 90/32 (2006.01) F42B 39/14 (2006.01)

Patent

CA 2301612

A lightweight explosion-mitigating assembly including at least a containment structure and a door is disclosed. The containment stucture (10) and door (14) each include at least one set of engagement flanges (20, 22, 24, 30, 32, 34). The flanges are movable between an interlocking arrangement and a non- interlocking arrangement. In the non-interlocking arrangement, the flanges are sufficiently relatively operatively free from each other to permit movement of the door relative to the containment structure between open and closed positions. On the other hand, in the interlocking arrangement, the door is in the closed position and the flanges are both mutually engageable and slidable relative to each other into mutual engagement and out of mutual engagement. When mutually engaged, the containment-structure flange (20, 22, 24) and the door flange (30, 32, 34) are not pivotable relative to each other between the interlocking and non-interlocking arrangements, yet sliding movement of the flanges relative to each other out of mutual engagement permits at least one of the containment-structure flange and the door flange to be moved relative to each other between the interlocking and non-interlocking arrangements. This structure may be lightweight, especially when elongated flanges are used, and does not rely on the bending stiffness of the structure to mitigate explosive forces.

L'invention concerne un ensemble léger atténuant les explosions et comportant au moins une structure de confinement et une porte. Cette structure de confinement et cette porte possèdent chacune au moins un ensemble de bords de solidarisation. Ces bords sont mobiles entre une position de verrouillage et une position de non verrouillage. Dans cette dernière, les bords se trouvent suffisamment et relativement fonctionnellement dégagés l'un de l'autre pour permettre le mouvement de la porte par rapport à la structure de confinement entre des positions ouverte et fermée. En revanche, en position de verrouillage, la porte est fermée et les bords sont solidarisés et désolidarisés par coulissement. Lorsqu'ils sont solidarisés, le bord de la structure de confinement et le bord de la porte ne peuvent pivoter l'un par rapport à l'autre entre les positions de verrouillage et de non verrouillage, néanmoins le mouvement de coulissement des bords l'un par rapport à l'autre en vue de les désolidariser permet à au moins l'un des bords de se déplacer par rapport à l'autre entre les positions de verrouillage et de non verrouillage. Cette structure peut être légère, en particulier lorsque des bords allongés sont utilisés, et elle n'est pas tributaire de sa rigidité en flexion pour atténuer les forces explosives.

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