Fireproof door for hotels, skyscrapers and the like
AssigneeIndustrie-Wert Beteiligungsgesellschaft mbH
InventorsHeinz Holter, Heinz Gresch, Heinrich Igelbuscher
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Abstract
A fireproof door has a fabric of ceramic or glass fibers attached to a metal frame and covered by facings. The fabric which also may be used as a fireproof mat consists of layers of titanium-treated ceramic or glass fibers felted together by similar needlelike fibers extending through an intermediate layer of fireproof particulate material.
Claims12
Fireproof door, especially for hotels, skyscrapers, or similar buildings consisting of a metal frame with metal fittings and an insulation layer made of fireproof material arranged inside the metal frame as well as a facing attached to the metal frame, wherein the insulation layer is made of an elastic, flexible, fireproof fabric made of ceramic fibers and the layer is fixed to the metal frame.
Fireproof door, especially for hotels, skyscrapers, or similar buildings consisting of a metal frame with metal fittings and an insulation layer made of fireproof material arranged inside the metal frame as well as a facing attached to the metal frame, wherein the insulation layer is made of an elastic, flexible, fireproof fabric made of fibers treated with a metal and the layer is fixed to the metal frame.
Dependencies are inferred from the claim text.