Passive fire protection systems for conduit, cable trays, suppor

Stock material or miscellaneous articles – Structurally defined web or sheet – Nonplanar uniform thickness material

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428 345, 428 346, 428 365, 428245, 428268, 428913, 428920, 428921, 405157, 405211, 405216, 156 82, 156 88, B32B 328, E02D 560

Patent

active

056816405

ABSTRACT:
A passive fire protection system for the protection of conduits, cable trays, support rods, and structural steel against flame and heat in a severe total environment type fire such as a hydrocarbon fire which includes a multi-layered (laminated), flexible material containing a plurality of layers of intumescent materials. This multi-layered material is configured such that it provides a containment system for the carbonaceous foam resulting from the expansion of the intumescent materials.

REFERENCES:
patent: 4600634 (1986-07-01), Langer
patent: 5158397 (1992-10-01), Koos et al.
patent: 5169265 (1992-12-01), Butler
patent: 5206088 (1993-04-01), Raevsky
patent: 5378530 (1995-01-01), Metivaud et al.

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