Movable fireproof wall and joint

Claim 1

A MOVABLE FIREPROOF PARTITION ASSEMBLY WHICH COMPRISES IN COMBINATION, (1) A PLURALITY OF INCOMBUSTIBLE CORE ELEMENTS EXTENDING SUBSTANTIALLY FROM THE FLOOR TO THE CEILING OF A ROOM, SAID CORE ELEMENTS CHARACTERIZED BY HAVING VERTICAL RECESSES IN THEIR LONGITUDINAL EDGES, (2) INCOMBUSTIBLE SPLINES SEATED IN SAID RECESSES, SAID SPLINES CHARACTERIZED BY EXTENDING BEYOND THE PLANES OF SAID EDGES AND ABUTTING ONE AGAINST THE OTHER, (3) INCOMBUSTIBLE POSTS POSITIONED ALONG THE ENTIRE EXTENDING FACE SURFACE OF SAID SPLINES, (4) AFFIXING MEANS EXTEND ING THROUGH SAID POSTS AND SAID SPLINES, (5) LEVELLING BOLTS POSITIONED ALONG THE BOTTOM EDGES OF SAID CORE ELEMENTS WHICH ARE ADAPTED TO ADJUST THE LEVELS AND HEIGHTS OF SAID CORE ELEMENTS (6) A WOOD CEILING RUNNER RIGIDLY AFFIXED TO A CEILING, (7) EDGE TRIM ELEMENTS RIGIDLY AFFIXED TO SAID CEILING RUNNER AND EXTENDING VERTICALLY DOWNWARDLY IN A MANNER TO ENCASE THE UPPER EDGES OF SAID PANELS AND TO PROVIDE A SPACE BETWEEN SAID UPPER EDGES AND SAID CEILING RUNNER, WHEREBY WHEN SAID LEVELLING BOLTS ARE ACTUATED, PLAY IS PROVIDED FOR MOVEMENT IN SAID SPACE.