A - Human Necessities – 62 – C
Patent
A - Human Necessities
62
C
A62C 2/06 (2006.01) F16L 5/04 (2006.01)
Patent
CA 2197558
A penetration firestop that permits longitudinal (L) and radial (R) movement of a pipe (42) through an opening in a partition (44) where the opening has a cross-sectional area larger than a cross-sectional area of the pipe, comprising: a) a thermal insulator (47) generally surrounding the pipe slidably engaged with a first side of the partition to substantially cover the opening; b) a first seal (52) interposed between thermal insulator and the pipe, the first seal permitting longitudinal movement of the pipe through the insulator; c) a second seal (62) interposed between the thermal insulator and the partition, the second seal permitting radial movement of the pipe and insulator relative to the opening; and d) securing means (58) for allowing radial movement of the insulator relative to the opening while generally maintaining engagement of the insulator to the first side of the partition so that the opening remains substantially covered during movement of the pipe.
Ce dispositif coupe-feu pour ouvertures permet un déplacement longitudinal (L) et radial (R) d'un tuyau (42) à travers une ouverture pratiquée dans un cloison (44) et dont la section est supérieure à celle du tuyau, et il comprend: a) un isolant thermique (47) entourant généralement le tuyau et entrant en contact de manière coulissante avec un premier côté de la cloison afin de couvrir sensiblement l'ouverture; b) un premier élément (52) d'étanchéité intercalé entre l'isolant thermique et le tuyau et permettant un déplacement longitudinal du tuyau à travers l'isolant; c) un second élément (62) d'étanchéité placé entre l'isolant thermique et la cloison et permettant un déplacement radial du tuyau et de l'isolant par rapport à l'ouverture; et d) des moyens (58) de fixation destinés à permettre un déplacement radial de l'isolant par rapport à l'ouverture tout en maintenant généralement le contact entre l'isolant et le premier côté de la cloison de manière que l'ouverture reste sensiblement couverte lors du déplacement du tuyau.
Minnesota Mining And Manufacturing Company
Smart & Biggar
The Minnesota Mining & Manufacturing Company
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