| 摘要 |
<p>The mattress (1) has fibrous sub-assemblies (11-13) with mineral fiber woolen fabrics (2-4) placed parallel to a main surface of the mattress and separated by a mineral fiber tissue (5) e.g. verrane. Refractory particles (8) i.e. metasilicates, are placed in the fabrics, and a refractory glue layer (6) is integrated between two of the sub-assemblies. A cover (7) includes a mineral fiber tissue e.g. continuous glass fiber, impregnated by fire retardant silicone and enclosing the sub-assemblies, where handles (10) are placed on a main surface of the cover. Independent claims are also included for the following: (1) a method for manufacturing a fire protection mattress (2) a drawing chamber placed in a tunnel, comprising walls.</p> |
