Flexible composite multiple layer fire-resistant insulation...

B - Operations – Transporting – 32 – B

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B32B 5/26 (2006.01) B32B 17/02 (2006.01) B64C 1/40 (2006.01)

Patent

CA 2679952

A flexible composite multiple layer fire-resistant insulation structure (100) has a primary facing surface (210) and a secondary facing surface (220). There is at least one dimensionally stable membrane (400) having a primary membrane surface (210)and a secondary membrane surface (220). At least a portion of the secondary facing surface is attached to the primary membrane surface. There is also at least one lofted insulative layer (600) having a primary insulative surface and a secondary insulative surface. The at least one woven fabric facing layer (200) may be formed of various materials, including amorphous silica glass and S-glass fiberglass. Different weaving patterns may be used to weave the facing layer. The facing layer may include a fire resistive treatment, which may in turn include a phosphate containing compound, and more particularly, may include dicalcium phosphate. In certain embodiments, multiple layers of the above are provided, and the structure may be enclosed in an abrasion resisting sheath.

L'invention concerne une structure d'isolation multicouche, composite, flexible et résistant au feu (100) présentant une surface de regard primaire (210) et une surface de regard secondaire (220). Au moins une membrane dimensionnellement stable (400) est munie d'une surface de membrane primaire (210) et d'une surface de membrane secondaire (220). Au moins une portion de la surface de regard secondaire est attachée à la surface de membrane primaire. De plus, moins une couche isolante bombée (600) présente une surface isolante primaire et une surface isolante secondaire. La ou les couches opposée à l'étoffe tissée (200) peut être formée de divers matériaux dont du verre de silice amorphe et de la fibre de verre en S. Différents motifs de tissage peuvent être utilisés pour tisser la couche opposée, qui peut inclure un traitement résistant au feu contenant un composé de phosphate, et plus particulièrement, du phosphate dicalcique. Dans certains modes de réalisation, de multiples couches susmentionnées sont prévues ; la structure peut être entourée d'une gaine résistant à l'abrasion.

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