EP3771798A1 - Fire retardant disc and method for producing the same - Google Patents

Abstract

The invention creates a fire protection pane (10) with two main surfaces (18, 20) and a narrow end face (22) surrounding the fire protection pane, the end face (22) having at least some areas of a coating (34) with an intumescent coating material (36). The invention also provides a method for producing a fire protection pane (10).

Description

The invention relates to a fire protection pane. The invention also relates to a method for producing a fire protection pane. The invention also relates to a fire protection closure element having a fire protection pane and a fire protection closure.

In order to prevent fire from spreading between areas of a building in the event of a fire, fire sections separated by fire barriers must be provided in buildings in accordance with fire protection regulations.

1. [1] Firmendruckschrift "Aluminium- und Stahl-Rohrrahmenobjekttüren HE/HL" der Hörmann KG Verkaufsgesellschaft mit dem Druckvermerk "Stand 08.2018 / Druck 08.2018 / HF 84563 DE / PDF", veröffentlicht im August unter anderem über das Internet

entnommen werden.Examples of fire closures can be found in the publication

1. [1] Company publication "Aluminum and steel tubular frame object doors HE / HL" from Hörmann KG sales company with the printer's note "Status 08.2018 / Print 08.2018 / HF 84563 DE / PDF", published in August, including on the Internet

can be removed.

According to the prior art, glazed fire closures are also known. Fire closures of this type are particularly attractive because, on the one hand, they offer the prescribed fire protection and, on the other hand, they allow a large spatial impression and incidence of light, for example.

Such fire closures are tested according to the German standard DIN 4102 and classified according to their fire behavior.

The invention has set itself the task of creating a simple way of improving the fire protection of glazed fire protection closures.

To achieve this object, the invention creates a fire protection pane according to claim 1. A fire protection closure element, a fire protection closure and a method for producing a fire protection pane are the subject matter of the independent claims.

Advantageous configurations are the subject of the subclaims.

According to one aspect, the invention creates a fire protection pane with two main surfaces and a narrow end face encircling the fire protection pane, the end face having a coating with an intumescent coating material at least in some areas.

One embodiment of a fire protection pane accordingly provides that the circumferential, edge-side end face or jacket surface of the fire protection pane has a coating with an intumescent coating material at least in some areas.

When exposed to heat, the intumescent coating material increases in volume and foams up. As a result, the coating forms an insulation layer as a heat brake in the event of a fire.

It is preferred that the coating material is formed by an applied, intumescent lacquer.

One embodiment of the invention provides that the coating is formed from an intumescent lacquer.

The paint is suitable for direct application to the face of the fire protection pane. After drying, it forms a continuous, solid film on the surface of the fire protection pane.

It is preferred that the end face is coated completely all around with the intumescent coating material.

Accordingly, the lacquer preferably covers the narrow face of the fire protection pane not only in certain areas, but continuously and completely circumferentially. This means that there are no uncovered areas at the edge of the fire protection pane and the fire protection can unfold its full effect.

It is preferred that the fire protection pane has a first glass pane and a second glass pane, which are connected to one another at the end faces by spacer profiles, a cavity between the glass panes being filled with a fire protection gel.

The fire protection pane comprises a first and a second pane of glass which are preferably congruent in terms of length and width dimensions and are arranged parallel to one another except for a distance.

The first and second panes of glass are preferably made of toughened safety glass.

The glass panes are connected to one another on the edge and circumferentially by spacer profiles, which on the one hand can establish a firm connection between the glass panes and on the other hand seal a cavity between the glass panes from the outside.

The spacer profiles are preferably made of plastic or polyamide.

By sealing off the spacer profiles of the cavity between the glass panes, the cavity can be filled with a fire protection gel.

The fire protection gel has the property, for example, of cooling when exposed to fire and of blocking or at least preventing the passage of radiant heat.

The fire protection gel is preferably transparent in the normal case, so that the light permeability of the fire protection pane is not impaired.

The intumescent lacquer is not only used to improve the fire protection of the fire protection pane, but also has the effect that the peripheral sealing of the cavity of the fire protection pane is protected from moisture.

It is preferred that the intumescent lacquer comprises organic binders, water, mineral fillers, pigments and additives as foam-forming agents.

According to a further aspect, the invention creates a fire protection closure element comprising a fire protection pane and at least one retaining profile with a glass rebate surrounding the fire protection pane.

For example, the retaining profile is U-shaped and has a glass rebate which at least in some areas encloses the edge of the fire protection pane.

The at least one holding profile preferably forms a frame which runs completely around the fire protection pane and in which the fire protection pane is enclosed.

The at least one retaining profile also has a sealing effect on the fire protection pane in the glass rebate.

In such an arrangement, the intumescent coating on the end face of the fire protection pane can accordingly be arranged completely circumferentially in an area between the rebate base of the glass rebate and the end face of the fire protection pane.

It is preferred that the at least one retaining profile is designed as an aluminum and / or wood retaining profile.

Wood or aluminum retaining profiles have the advantage that they are easy to process and can easily be adapted to the dimensions of the fire protection pane.

In the event of fire, areas of the retaining profiles on the fire side are exposed to fire and heat and can wear out and / or fall off.

As a result, the sealing and stabilizing effect of the retaining profiles can be lost in the event of a fire.

The coating of the fire protection pane on the end face ensures that the area between the fire protection pane and the rebate base is sealed even in the event of a fire.

Furthermore, the coating, which foams up in the event of a fire, develops a wedge effect and wedge forces which are directed perpendicular to the narrow end face of the fire protection pane and are arranged between the glass rebate of the at least one retaining profile and the fire protection pane.

This seals the glass rebate area.

In addition, the intumescent coating presses against the base of the rebate of the glass rebate of the retaining profile in the event of a fire and also holds the fire protection pane in place.

In the event of fire, the coating preferably also develops this sealing and stabilizing effect if the glass pane on the fire side bursts.

It is preferred that the fire protection closure element is designed as part of a fixed glazing, a fire protection door sash and / or a fire protection window sash.

The fire protection closure element can be used in many ways. It is conceivable to use it with fixed glazing, as part of a fire protection door sash, or a fire protection window sash or the like.

According to a further aspect, the invention creates a fire protection closure for preventing fire from spreading between areas of a building in the event of a fire with a fire protection closure element.

1. a) Vorsehen einer Brandschutzscheibe mit zwei Hauptflächen und einer schmalen, die Brandschutzscheibe umlaufenden Stirnfläche;
2. b) Beschichten der Stirnfläche der Brandschutzscheibe zumindest bereichsweise mit einem intumeszierenden Beschichtungsstoff.

According to a further aspect, the invention provides a method for producing a fire protection pane, which comprises the steps:

1. a) providing a fire protection pane with two main surfaces and a narrow end face that encircles the fire protection pane;
2. b) Coating the end face of the fire protection pane at least in some areas with an intumescent coating material.

Different coating processes in step b) are conceivable. For example, the end face can be coated with an intumescent coating material by spraying methods, powder coating, painting, dip coating or the like.

• b1) Auftragen eines intumeszierenden Lackes zumindest bereichsweise auf die Stirnfläche der Brandschutzscheibe; und
• b2) Trocknung des intumeszierenden Lackes.

It is preferred that step b) comprises the steps:

• b1) applying an intumescent lacquer at least in certain areas to the end face of the fire protection pane; and
• b2) drying the intumescent paint.

It is preferred that the intumescent lacquer is applied with a paint roller and / or a cartridge gun.

The invention provides a method that is particularly easy to use through the use of intumescent varnish. The paint can be applied to the front surface of a fire protection pane in areas at the factory or on the construction site with a paint roller and / or a cartridge gun.

It is preferred that the end face of the fire protection pane is coated completely all around with the intumescent coating material.

Advantages of the invention can be described as follows:
The special lacquer which foams up in the event of a fire is preferably applied to the end face of the edge bond of the fire protection pane and not flat on the edge area of the fire protection pane.

As a result, the glazing rebate area is protected directly and not indirectly via the glazing bead or stop level.

Another advantage, especially in applications with aluminum or wood profile systems or with profile systems that wear out and / or fall off on the fire side in the event of a fire, is that with the present invention the sealing effect in the case of loss of the profile systems on the fire side Glass rebate area is retained.

In the event of fire, the coating particularly preferably fills the glass rebate area all the way around, regardless of the profile system used.

In the event of a fire, a pane of glass facing the fire side can still burst. If the frother is applied to the edge of the surface of the glass pane instead of the end face of the fire protection pane, it can be lost in the event of a fire. This can be avoided by applying it to the face.

Particularly preferably, an intumescent coating material with high permanent elasticity is provided, which participates in movements that result from the permanent load on the fire protection closure element, so that the fire protection closure element does not experience brittle cracks.

In addition to improving fire protection, the special lacquer used protects the secondary sealing of the fire protection pane from moisture.

The lacquer is also suitable for outdoor use.

If an intumescent varnish is provided, the invention creates a method for producing a fire protection pane with improved fire protection that can be carried out particularly easily and quickly by applying the special varnish with a paint roller or a cartridge gun.

Fig. 1

Eine schematische Querschnittsdarstellung einer mit einem intumeszierenden Beschichtungsstoff beschichteten Brandschutzscheibe gemäß einer Ausführungsform der Erfindung;

Fig. 2

eine schematische Seitenansicht der Brandschutzscheibe;

Fig. 3

eine Darstellung einer Beflammung eines Eckbereichs der Brandschutzscheibe;

Fig. 4

eine vergrößerte Draufsicht auf den Eckbereich der Brandschutzscheibe nach Beflammung;

Fig. 5

eine Seitenansicht des Eckbereichs der Brandschutzscheibe nach Beflammung;

Fig. 6

eine schematische Querschnittsdarstellung eines Brandschutzabschlusselements gemäß einer Ausführungsform der Erfindung; und

Fig. 7

einen Brandabschluss gemäß einer Ausführungsform der Erfindung.

An exemplary embodiment is explained in more detail below with reference to the accompanying drawings. It shows:

Fig. 1

A schematic cross-sectional illustration of a fire protection pane coated with an intumescent coating material according to an embodiment of the invention;

Fig. 2

a schematic side view of the fire protection pane;

Fig. 3

a representation of a flaming of a corner area of the fire protection pane;

Fig. 4

an enlarged plan view of the corner area of the fire protection pane after exposure to a flame;

Fig. 5

a side view of the corner area of the fire protection pane after exposure to flame;

Fig. 6

a schematic cross-sectional representation of a fire protection closure element according to an embodiment of the invention; and

Fig. 7

a fire closure according to an embodiment of the invention.

Fig. 1 shows a schematic cross-sectional representation of a fire protection pane 10 according to an embodiment of the invention.

In the present example, the fire protection pane has a first glass pane 12 and a second glass pane 14.

The first glass pane 12 and the second glass pane 14 can be made of toughened safety glass.

Alternatively, the fire protection pane 10 can also have a plurality of panes of glass or a composite pane of glass.

In the present exemplary embodiment, the first glass pane 12 of the fire protection pane 10 has a first main surface 18 on the outside.

On the opposite outer side of the second glass pane 14, the fire protection pane 10 has a second main surface 20.

The first main surface 18 and the second main surface 20 are arranged parallel to one another.

The first glass pane 12 and the second glass pane 14 are connected to one another parallel to one another via a spacer profile 16 at a distance from one another.

The spacer profile 16 forms a cavity 24 between the first glass pane 12 and the second glass pane 14.

The cavity 24 is preferably filled with a transparent fire protection gel 26.

At right angles to the first main surface 18 and the second main surface 20, the fire protection pane 10 has a narrow end surface 22 or jacket surface.

The end face 22 encloses the first glass pane 12 and the second glass pane 14.

The end face 22 can be formed by the edges 28, 30 of the first glass pane 12 and the second glass pane 14 and a sealing compound 32 arranged on the outer side of the spacer profile 16.

The end face 22 has a coating 34 with an intumescent coating material 36.

The coating material 36 can be formed by an applied, intumescent paint 38.

Fig. 2 shows the fire protection pane 10 from a side perspective.

The fire protection pane 10 in the present embodiment is rectangular in plan view.

Other forms of fire protection pane 10 are conceivable.

For example, the fire protection pane can also have a round or oval shape.

How out Fig. 2 it can be seen that the fire protection pane 22 is coated with the intumescent paint 38 all the way around the circumferential end face 22.

In the normal case, the lacquer 38 has the effect that the circumferential sealing of the cavity 24 of the fire protection pane 10 is protected from moisture by the sealing compound 32.

Alternatively, the lacquer 38 can also be applied only in areas.

Fig. 3 shows flame exposure to a corner of the fire protection pane 10.

In the event of a fire, the fire protection pane 10 can be directly exposed to the flames 62 and the heat.

The intumescent paint 38 foams up under the action of heat and expands.

The glass pane 12, 14 facing the flame 62 bursts at the points of greatest exposure to heat.

Fig. 4 shows an enlarged plan view of the corner area of the fire protection pane 10 after the flame.

As from the Fig. 4 the glass pane 12, 14 facing the flames 62 can also be seen here burst. Furthermore, the fire protection gel 26 located in the cavity 24 of the fire protection pane 10 can be discolored and its composition changed.

A fire protection attached to the main surfaces 18, 20 can be lost due to the bursting of the glass pane 12, 14.

In the present exemplary embodiment, however, the lacquer 38 is applied to the end face 22.

Fig. 5 shows a further illustration of the corner area of the fire protection pane 10 exposed to flame after exposure to flame. For illustration, the foamed material 64 of the intumescent paint 38 was removed from the end face 22 in the corner area of the fire protection pane 10 and placed on the fire protection pane 10.

The foamed material 64 is preferably permanently elastic.

Fig. 6 shows a schematic cross-sectional illustration of a fire protection closure element 40.

The fire protection closure element 40 has a fire protection pane 10 and a retaining profile 42.

In the present example, the holding profile 42 comprises an edge post 44 and a glazing bead 46.

The glazing bead 46 can preferably be mounted on the edge posts 44.

Other embodiments of the retaining profiles 42 are conceivable.

For example, the retaining profile 42 can also comprise a rung which is arranged between two fire protection panes 10 and surrounds them.

The glazing bead 46 and the edge posts 44 form a glazing rebate 50 that surrounds the fire protection pane 10.

The holding profile 42 can be designed as an aluminum and / or wood holding profile 48.

As already mentioned above, the coating 34 with the intumescent coating material 36 is arranged on the end face 22.

The coating 34 is thus arranged between the rebate base 52 of the glass rebate 50 and the fire protection pane 10.

The retaining profile 42 of the fire protection closure element 40 can have the property that in the event of a fire it can be consumed and / or fall off on the fire side.

This can also influence the stability of the fire protection pane 10, which is normally held by the holding profile 42.

Furthermore, in the event of a fire, the glass pane 12, 14 facing the fire can burst as it did before Figs. 3 to 5 evident.

Since the coating 34 is arranged between the rebate base 52 and the fire protection pane 10, it is not lost in the event of a fire.

In the event of a fire, the coating 34 expands between the rebate base 52 of the glass rebate 50 and the fire protection pane 10. This area is sealed by the foamed material 64.

The seal prevents the fire from spreading further and / or smoke penetration.

Furthermore, the intumescent lacquer 38 has a wedge effect in the event of a fire and causes wedge forces between the rebate base 52 and the fire protection pane 10.

In this way, the fire protection pane 10 is held in its position.

Since the foamed material 64 is permanently elastic, it is possible to react to movements that result from the permanent load on the fire protection closure element 40.

This prevents the fire protection closure element 40 from cracking.

Fig. 7 shows an example of a fire protection closure 54.

In the present example, the fire closure 54 has a plurality of fire protection closure elements 40.

The retaining profiles 42 each form a frame around the fire protection panes 10.

As from the Fig. 7 As can be seen, the fire protection closure element 40 can be designed as part of a fixed glazing 56 and / or a fire protection door leaf 60.

Other glazed fire closures 54 are conceivable. For further examples, reference is again made to the publication [1] mentioned at the beginning.

The invention also provides a method for producing a fire protection pane 10.

In a particularly preferred manner, the intumescent paint 38 is applied to the end face 22 of the fire protection pane 10 with a paint roller and / or a cartridge gun.

The application is easy to carry out and can also be carried out on site.

The paint 38 then dries.

The fire protection pane 10 can then be framed in the retaining profile 42 of a fire protection closure element 40.

List of reference symbols:

10

Fire protection pane

12

first pane of glass

14th

second pane of glass

16

Spacing profile

18th

first major surface

20th

second main surface

22nd

Face

24

cavity

26th

Fire protection gel

28

Edge of the first pane of glass

30th

Edge of the second pane of glass

32

Sealing compound

34

Coating

36

intumescent coating material

38

intumescent lacquer

40

Fire protection closure element

42

Retaining profile

44

Edge stems

46

Glazing bead

48

Aluminum or wood retaining profile

50

Glazing rebate

52

Rebate base

54

Fire protection closure

56

Fixed glazing

60

Fire protection door leaf

62

flame

64

foamed material

Claims (13)

Fire protection pane (10) with two main surfaces (18, 20) and a narrow end face (22) surrounding the fire protection pane, the end face (22) having a coating (34) with an intumescent coating material (36) at least in some areas. Fire protection pane (10) according to Claim 1, characterized in that the coating material (36) is formed by an applied, intumescent paint (38). Fire protection pane (10) according to one of the preceding claims, characterized in that the end face (22) is coated all the way around with the intumescent coating material (36). Fire protection pane (10) according to one of the preceding claims, characterized in that the fire protection pane has a first glass pane (12) and a second glass pane (14), which are connected to one another at the end faces (22) by spacer profiles (16), with a cavity (24) between the glass panes (12, 14) is filled with a fire protection gel (26). Fire protection pane (10) according to claim 2, characterized in that the intumescent paint (38) comprises organic binders, water, mineral fillers, pigments and additives as foam-forming agents. Fire protection closure element (40), comprising a fire protection pane (10) according to one of the preceding claims and at least one retaining profile (42) with a glass rebate (50) surrounding the fire protection pane (10). Fire protection closure element (40) according to Claim 6, characterized in that the at least one retaining profile (42) is designed as an aluminum and / or wood retaining profile. Fire protection closure element (40) according to one of Claims 6 or 7, characterized in that it is designed as part of fixed glazing (56), a fire protection door sash (60) and / or a fire protection window sash. Fire protection closure (54) for preventing fire from spreading between areas of a building in the event of fire, characterized by a fire protection closure element (40) according to one of Claims 6 to 8. A method for producing a fire protection pane (10), comprising the steps: a) providing a fire protection pane (10) with two main surfaces (18, 20) and a narrow end face (22) surrounding the fire protection pane; b) Coating the end face (22) of the fire protection pane (10) at least in certain areas with an intumescent coating material (36). Method for producing a fire protection pane (10) according to claim 10, characterized in that step b) comprises the steps: b1) applying an intumescent varnish (38) at least in certain areas to the end face (22) of the fire protection pane; and b2) drying the intumescent paint (38). Method according to Claim 11, characterized in that the intumescent paint (38) is applied with a paint roller and / or a cartridge gun. Method for producing a fire protection pane (10) according to one of Claims 10 to 12, characterized in that the end face (22) of the fire protection pane (10) is completely coated all around with the intumescent coating material (36).

Images