EP0460444A1

EP0460444A1 - Fire protection door

Info

Publication number: EP0460444A1
Application number: EP91108097A
Authority: EP
Inventors: Thomas J. Hörmann
Original assignee: Hoermann KG Freisen
Current assignee: Hoermann KG Freisen
Priority date: 1990-06-06
Filing date: 1991-05-17
Publication date: 1991-12-11
Also published as: DE9006389U1

Abstract

Fire protection door with a fire protection door leaf and a casing on which the door leaf is articulated and into which it reaches in the closing state, covering its reveal, and on whose reveal is arranged a sheeting (3) which swells up under the action of heat, the casing also being designed in such a way as to provide heat insulation in that it has, in the longitudinal direction of the frame members, at least two rows of elongated holes (2) which extend in said longitudinal direction and which are provided, as seen in a perpendicular direction with respect to the plane defined by the casing, underneath the sheeting (3) in such a way as to overlap one another. <IMAGE>

Description

Es ist bekannt, die Türblätter von Feuerschutztüren feuerhemmend auszubilden und den Schlitz zwischen dem Türblatt und dem Zargenrahmen im Brandfalle dadurch zu verschließen, daß ein Streifen aus im Brandfalle aufschäumenden Materials, beispielsweise Palusol, im Bereich des Zargensteges bzw. der Laibung der Zarge angeordnet bzw. dort festgelegt ist.It is known to design the door leaves of fire protection doors to be fire-resistant and to close the slot between the door leaf and the frame frame in the event of fire in that a strip of material which foams in the event of fire, for example Palusol, is arranged in the region of the frame web or the reveal of the frame or is set there.

Um auch die Zarge wärmegedämmt auszubilden, werden erfindungsgemäß im Bereich der Zargenlaibung oder des Zargensteges unterhalb des Streifens aus unter Hitzeeinwirkung aufschäumenden Materials - ggfs. in Form einer auf die einzelnen Zargenholme getrennt sich erstreckenden Beplankung - wenigstens zwei Reihen von Langlöchern vorgesehen, die sich hinsichtlich ihrer Längsausdehnung in Holmrichtung des Zargenrahmens erstrecken und derart gegeneinander versetzt ausgebildet sind, daß sich hinsichtlich der Wärmeleitwege von der einen Türseite zur anderen bzw. von dem einen Zargenspiegel aus gesehen zu dem anderen ein mäanderförmiger Materialstegverlauf ergibt.In order to also provide the frame with thermal insulation, according to the invention, at least two rows of elongated holes are provided in the area of the frame reveal or the frame web below the strip of material that foams under the influence of heat - if necessary in the form of a covering that extends separately to the individual frame spars Longitudinal extension in the spar direction of the frame frame and are offset from one another in such a way that with regard to the heat conduction from one side of the door to the other or from one frame mirror to the other, a meandering material web course results.

Aufgrund dieses mäanderförmigen Wärmeleitweges von einem Spiegel zum ander hin gesehen wird die Wärmeleitstrecke erheblich länger als die Breite der Zargenlaibung bzw. deutlich größer als diese, was von der Zahl der parallelen Reihen von Langlöchern und deren Länge sowie Beabstandung abhängt, und zugleich wird die Breite des Wärmeleitweges entsprechend verringert. Die Schlitzreihen sind nicht sichtbar, bei geschlossenem Türblatt bereits durch die bandseitige Türblattstirnseite und im übrigen durch die Beplankung aus dem Streifen bei Hitze aufquellenden Werkstoffes. Die durch die Schlitzreihen bedingte Schwächung der Zarge im Bereich der Laibung läßt sich in Grenzen halten, und die Festigkeit des Zargenrahmens sowie vor allem dessen Verankerung mit der umgebenden Wandung wird dadurch erhöht, daß zwischen der Laibung der Mauerwandung und der Laibung der Zarge einzufüllender Mörtel in die Schlitze eindringt. Man erhält somit sowohl eine Verbesserung der Festlegung der Zarge in der Maueröffnung als auch eine Stabilisierung der Form des Zargenrahmens schlechthin.Due to this meandering heat conduction path from one mirror to the other, the heat conduction path becomes considerably longer than the width of the frame reveal or significantly larger than this, which depends on the number of parallel rows of elongated holes and their length and spacing, and at the same time the width of the Heat conduction reduced accordingly. The rows of slots are not visible, with the door leaf closed, through the hinge-side door leaf front and, moreover, by the planking from the strip of material which swells in the heat. The weakening of the frame in the area of the reveal due to the rows of slots can be kept within limits, and the strength of the frame frame and, above all, its anchoring to the surrounding wall is increased by the fact that mortar to be filled in between the reveal of the wall wall and the reveal of the frame the slots penetrate. This results in both an improvement in the fixing of the frame in the wall opening and a stabilization of the shape of the frame per se.

Aus der Zeichnung - Figuren 1 und 2 - ergibt sich im Querschnitt durch einen vertikalen Zargenholm mit im Schließzustand befindlichen Türblatt sowie in einer Ausschnitt-Draufsicht auf die Laibung eines Zargenholmes eine vierreihige Anordnung von Langlöchern, die sich hinsichtlich benachbarter Reihen jeweils mittig überlappen, so daß sich der vorstehend angesprochene mäanderförmige Wärmeleitstegverlauf zwischen den Lochreihen ergibt.From the drawing - Figures 1 and 2 - results in cross-section through a vertical frame spar with the door leaf in the closed state and in a sectional plan view of the reveal of a frame spar a four-row arrangement of elongated holes, which overlap each other with respect to adjacent rows, so that the meandering heat-conducting web course mentioned above results between the rows of holes.

Claims

Fire protection door with a fire protection door leaf and a frame to which the door leaf is articulated and engages in the closed state (covering the reveal) and on the reveal of which a planking swelling when exposed to heat is arranged.
characterized by
that the frame frame (1) in the longitudinal direction of the frame spars has at least two rows of elongated holes (2) extending in this longitudinal direction, which are provided in the perpendicular direction to the plane spanned by the frame frame (1) overlapping one another below the planking (3) .

Fire protection door according to claim 1,
characterized by
that the distance between each two elongated holes (2) seen in the longitudinal direction of each row of elongated holes (2) is significantly smaller, in particular approximately 1/10, the length of the elongated holes (2).

Fire protection door according to claim 1 or 2,
characterized by
that all elongated holes (2) are of the same length.

Fire protection door according to one of claims 1 to 3,
characterized by
that the elongated holes (2) of one row in the longitudinal direction, the distances between the elongated holes (2) of the respectively adjacent row of elongated holes, viewed in the perpendicular direction to the plane spanned by the frame frame (1), approximately with their central length region spread.

Fire protection door according to one of claims 1 to 4,
characterized by
that the elongated holes (2) of each of the two, three or four parallel rows of elongated holes (2) are approximately 50 mm long and 7 mm wide, that the distance between the elongated holes (2) of each row is 5 mm and that the vertical to the distance between adjacent rows of slots seen through the frame (1) is about 5 mm wide.

Fire protection door according to one of claims 1 to 4,
characterized by
that the rows of slots are provided at least in the two vertical frame bars of the frame frame (1).