Pass-through firestop apparatus and methods

Details Pass-through firestop apparatus and methods Pass-through firestop apparatus and methods

E - Fixed Constructions

04

G

E04G 15/06 (2006.01) A62C 2/00 (2006.01) F16L 5/00 (2006.01) F16L 5/04 (2006.01)

Patent

CA 2732116

Herein are disclosed are apparatus and methods for forming firestopped through-penetrations in poured concrete partitions. The apparatus and methods use an intumescent firestop ring that can be used in combination with a removable sleeve. The firestop ring is detachably mounted on the outer surface of the sleeve form, near one end of the sleeve. The sleeve is positioned and concrete poured around it. After solidification of the concrete the sleeve can be removed to provide a through-penetration containing the firestop ring, secured to the solidified concrete. The firestop ring may optionally comprise one or more retainers and/or one or more insulating spacers.

La présente invention concerne un appareil et des procédés permettant de former des trous traversants avec coupe-feu dans des cloisons en béton coulé. Lesdits appareil et procédés utilisent un anneau coupe-feu intumescent pouvant être combiné à un manchon amovible. Lanneau coupe-feu est monté détachable sur la surface extérieure de la forme du manchon, à proximité dune extrémité du manchon. Le manchon est positionné, et le béton est coulé autour de lui. Après solidification du béton, le manchon peut être retiré, formant ainsi un trou traversant contenant lanneau coupe-feu, fixé au béton solidifié. Lanneau coupe-feu peut éventuellement comprendre un ou plusieurs dispositifs de retenue et/ou un ou plusieurs espaceurs isolants.

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