Fire protection gate and correlated fire protection inset

Details Fire protection gate and correlated fire protection inset Fire protection gate and correlated fire protection inset

2004-10-04

2010-06-22

Edwards, N. (Department: 1794)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Noninterengaged fiber-containing paper-free web or sheet...

C052S456000, C052S784110, C109S065000

Reexamination Certificate

active

07740931

ABSTRACT:
At a fire protection gate with an encompassing structure and bilateral steel plate shells, between which a fire protection inset is provided, consisting of at least an insulating element in the form of a plate of mineral fibers, soluble in a physical milieu and reinforced with a binding agent, the composition of the mineral fibers of said insulating element features an alkali/earth alkali-mass relation of <1 and the fiber structure of said insulating element is determined by an average geometrical fiber diameter of ≦4 μm, a gross density in the range of 60 to 130 kg/m3and a portion of the binding agent, relative to the fiber mass, in the range of 1 to 3 weight %.

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