초록 ▼

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 c

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/m3 and a portion of the binding agent, relative to the fiber mass, in the range of 1 to 3 weight %.

대표청구항 ▼

What is claimed is: 1. A fire protection gate, comprising: bilateral steel plate shells, with a temperature resistant fire protection inset located between said bilateral steel plate shells; at least one insulating element in the form of a plate, said at least one insulating element comprised of mi

What is claimed is: 1. A fire protection gate, comprising: bilateral steel plate shells, with a temperature resistant fire protection inset located between said bilateral steel plate shells; at least one insulating element in the form of a plate, said at least one insulating element comprised of mineral fibers soluble in a physiological milieu and at least one binding agent, said mineral fibers of said at least one insulating element having an alkali/earth alkali mass ratio of <1 and the fiber structure of said at least one insulating element is determined by an average geometrical fiber diameter less than or equal to 4 um (microns); and wherein a portion of the binding agent, relative to a mass of the fiber content of the insulating element is in the range of 1 to 3 weight % and has a gross density in the range of 60 to 130 kg/m3. 2. The fire protection gate according to claim 1, wherein said binding agent is an organic binding agent. 3. The fire protection gate according to claim 1, wherein a portion of said binding agent, relative to the fiber mass of said at least one insulating element, is within the range of 1 to 2% by weight. 4. The fire protection gate according to claim 1, wherein said at least one insulating element has a point of fusion according to DIN 4102, Part 17, of ≧1,000° C. 5. The fire protection gate according to claim 1, wherein said mineral fibers of said at least one insulating element are produced by internal centrifugation with a centrifuging basket temperature of at least 1,000° C. 6. The fire protection gate according to one of the preceding claim 1, wherein the resetting force, measured as pressure tension at 10% sprain according to DIN EN 826 of said at least one insulating element, integrated in said fire protection gate meets at least one of the following: at a fire resistance category T30, amounts to <4 kPa; at a fire resistance category of T60, amounts to <6 kPa; and at a fire resistance category of T90, amounts to <8 kPa. 7. The fire protection gate according to claim 1, wherein said at least one insulating element features a dehydrating substance under thermal influence. 8. The fire protection gate according to claim 7, wherein said dehydrating substance is integrated in at least a discrete layer between said mineral fibers of said at least one insulating element, the discrete layer, being in a plane aligned parallel to a main surface of said insulating element. 9. The fire protection gate according to claim 8, wherein said dehydrating substance is provided homogeneously in said at least one insulating element. 10. The fire protection gate according to claim 1, wherein said fiber content of said at least one insulating element is within the following ranges in % by weight: SiO2 39-55 Al2O3 16-27 CaO  6-20 MgO  1-5 Na2O  0-15 K2O  0-15 R2O (Na2O + K2O) 10-14.7 P2O5  0-3 Fe2O3 (iron altogether) 1.5-15 B2O3  0-2 TiO2  0-2 Other  0-2.0 11. The fire protection gate according to claim 1, wherein said at least one insulation element has a bead portion. 12. The fire protection gate according to claim 2, wherein said organic binding agent is phenol formaldehyde resin. 13. The fire protection gate according to claim 1, wherein said at least one insulating element has a gross density at a fire resistance category T30 of between about 60 to 80 kg/m3. 14. The fire protection gate according to claim 1, wherein said at least one insulating element has a gross density at a fire resistance category T60 of between about 80 to 110 kg/m3. 15. The fire protection gate according to claim 1, wherein said at least one insulating element has a gross density at a fire resistance category T90 of between about 110 to 130 kg/m3. 16. The fire protection gate according to claim 7, wherein said dehydrating substance comprises aluminum hydroxide. 17. The fire protection gate according to claim 10, wherein said fiber content of said at least one insulating element is within the following ranges % by weight: SiO2 39-52 Al2O3 16-26 CaO  8-18 MgO  1-4.9 Na2O  2-12 K2O  2-12 R2O (Na2O + K2O) 10-13.5 P2O5  0-2 Fe2O3 (iron altogether) 3.2-8  B2O3  0-1 TiO2 0.4-1