Fire and heat protection wrap for structural steel columns, beam

Details Fire and heat protection wrap for structural steel columns, beam Fire and heat protection wrap for structural steel columns, beam

1998-09-03

2000-06-13

Copenheaver, Blaine

Stock material or miscellaneous articles

Hollow or container type article

Glass, ceramic, or sintered, fused, fired, or calcined metal...

405157, 405216, 428 347, 428 3691, 428920, 442117, 442138, B32B 108, F16L 1102

Patent

active

060747145

ABSTRACT:
A fire and heat protection wrapping system is described for wrapping structural steel such as steel columns, beams and open web joists used in steel construction of all types of edifices. The protection wrapping system includes a concentric composite laminate structure having a plurality of concentric layers for the protection of structural steel components which are exposed to high temperatures of up to five hours (5 hrs) in duration. The plurality of concentric layers includes an outer first layer, an inner second layer, an inner third layer and an inner core fourth layer for wrapping the structural steel component. The outer first layer is a fiberglass textile having an intumescent coating resistant to heat, water and impact. The inner second layer is a metal foil layer for reflecting heat and eliminates the convection transfer of heat. The inner core third layer is a low conductivity refractory blanket for reducing the transmission of heat. The inner core fourth layer is a metal foil layer for reflecting heat and eliminating the convection transfer of heat.

REFERENCES:
patent: 5319155 (1994-06-01), Maroist
patent: 5442131 (1995-08-01), Borgwarth
patent: 5660899 (1997-08-01), Rockney et al.
patent: 5681640 (1997-10-01), Kiser
patent: 5985385 (1999-11-01), Gottfried

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