EP2157270B1 - Profilé calorifuge pour constructions ignifuges et profilé composite pour façades, fenêtres et portes - Google Patents

Profilé calorifuge pour constructions ignifuges et profilé composite pour façades, fenêtres et portes Download PDF

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Publication number
EP2157270B1
EP2157270B1 EP08162505.5A EP08162505A EP2157270B1 EP 2157270 B1 EP2157270 B1 EP 2157270B1 EP 08162505 A EP08162505 A EP 08162505A EP 2157270 B1 EP2157270 B1 EP 2157270B1
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EP
European Patent Office
Prior art keywords
profile
insulating
heat
web
metal profiles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP08162505.5A
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German (de)
English (en)
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EP2157270A1 (fr
Inventor
Harald Dr.-Ing. Schulz
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RP Technik GmbH Profilsysteme
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RP Technik GmbH Profilsysteme
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Priority to EP08162505.5A priority Critical patent/EP2157270B1/fr
Publication of EP2157270A1 publication Critical patent/EP2157270A1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B3/26301—Frames with special provision for insulation with prefabricated insulating strips between two metal section members
    • E06B3/26303—Frames with special provision for insulation with prefabricated insulating strips between two metal section members with thin strips, e.g. defining a hollow space between the metal section members
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B3/26301—Frames with special provision for insulation with prefabricated insulating strips between two metal section members
    • E06B3/26305—Connection details
    • E06B2003/26316—Disconnectable connections or permitting shifting between the sections
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B2003/26394—Strengthening arrangements in case of fire
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B3/273—Frames with special provision for insulation with prefabricated insulating elements held in position by deformation of portions of the metal frame members
    • E06B3/2735—Frames with special provision for insulation with prefabricated insulating elements held in position by deformation of portions of the metal frame members comprising a sheet metal member, an edge or which is bent over the edge of the other metal member with interposition of an insulating element

Definitions

  • the invention relates to a thermal insulation profile for fire protection structures for attachment between two mutually spaced metal profiles and a composite profile for facades, windows and doors with such a thermal insulation profile.
  • Thermal insulation profiles for fire protection structures are used for the construction of frames in the area of windows, doors and facades.
  • insulating webs are used between the frame, which are anchored in a direction perpendicular to its longitudinal extent in the metal profiles.
  • Another alternative design is from the DE 31 02 616 A1 , known.
  • the separate metal inserts shown herein in the area of the fastening tabs of an insulating web connection are connected to each other by a winding of fibers of fire-resistant material, whereby the heat flow between the metal profiles is reduced.
  • Another alternative solution is to connect an insulating strip with low thermal conductivity with a heat-resistant additional element that engages in receiving geometries of the metal profiles, which are different from the mounting grooves for attaching the Dämm advisor.
  • This design serves to eliminate the need for producing a complex composite element with plastic-encapsulated metal inserts.
  • the metal profiles are to be designed so that separate receiving geometries are provided, in which the heat-resistant additional element engages as possible without direct, heat-conducting contact.
  • a multi-part insulating bridge which consists of a poor thermal conductivity plastic strip which extends over the entire length of the insulating web and foot profiling for attachment in metal profiles.
  • the foot profilings are recessed at equal intervals and it is used in these recesses to the foot profiling contoured foot profiling a bridge bridge made of metal.
  • the task of these bridge bridges made of metal is to selectively transport heat in the event of fire on the side facing away from the fire, so that there existing Intumescentmaterial when reaching a response temperature free water crystal and thereby cool the main profile.
  • the DE 44 43 762 A1 represents the closest prior art.
  • the invention has for its object to provide a thermal insulation for fire protection structures and a composite profile with such a thermal insulation profile, which are characterized by a high variability of the Dämmstegs with simple and cost-effective production.
  • the inventive thermal insulation profile for fire protection structures for attachment between two spaced-apart metal profiles comprises a Isoliersteg of a material with low thermal conductivity, which has attachment lugs designed and dimensioned for positive reception in a retaining contour of the metal profiles, and receiving recesses in the form of groove-shaped depressions has in the field of fastening approaches.
  • the thermal insulation profile further comprises at least one insertion profile, which is releasably secured to the insulating web from a heat-resistant, non-combustible material and having a web portion and two arranged on the opposite longitudinal sides of the web portion fixing portions which are insertable into the receiving recesses of the insulating and designed and dimensioned to be held in a form-fitting manner in the receiving recesses of the insulating web.
  • the thermal insulation profile is composed of two components, an insulating web and at least one insertion profile.
  • the insert profile is releasably secured to the insulating bar by being pressed into receiving recesses in the attachment lugs of the insulating bar and is held therein.
  • the insertion profile is held positively, which can also be present in addition by frictional engagement in a designed as a groove-shaped recess receiving recess.
  • the insert profile In the longitudinal direction of the insulating web (perpendicular to the plane of the figures shown), the insert profile is held by friction.
  • the thermal insulation profile of two separate components can be modularly assembled, which is on the one hand with low production costs and thus cost-effectively feasible and on the other hand offers a high variability of the thermal insulation profile.
  • the basic geometry of the insulating bar can be combined with different insert profiles.
  • stainless steel with low corrosion resistance can be used indoors, while stainless steel can be used outdoors. It is also possible that over the length of a strip-shaped insulating web a plurality of spaced-apart short insertion profiles are pressed.
  • the thermal insulation profile according to the invention is particularly variable and cost-adaptable to the respective requirements. Unlike in the prior art, the insertion profile neither has to be adapted to the contour of the attachment lugs of the insulating web, still different receiving spaces must be provided on the metal profiles.
  • thermal insulation profile according to the invention is that by the reinforcement of the insulating web through the insertion profile an additional burglar resistance occurs because the metal profiles can not be so easily disassemble.
  • the insert profile consists essentially of sheet metal which has folds in the region of the fixing sections. This represents the simplest form of such an insert profile with very low material and manufacturing costs.
  • the U-shaped fixing sections can be designed so that the legs of the U-shape abut each other and thus there is a material doubling. Alternatively, it is also possible to connect the two legs by another arc with each other, so that there is a free space between them.
  • the U-shape so that the legs of the U-shape are not parallel to each other, but diverging apart, for example, with increasing distance to the arc connecting the legs.
  • the above-mentioned forms are designed with respect to the desired function of the fixing sections, which are to be pressed into the receiving recesses and held in a form-fitting manner, on the other hand maintain a positive contact between the metal profiles in case of fire.
  • the insertion profile can also be bent in the region of the fixing sections so that the fixing sections are three-layered.
  • the insertion profile may be facilitated in the receiving recesses of the insulating web, but at the same time hindered in the attachment to the folds of the insertion profile on the side of the metal profiles, the heat conduction from the metal profile on the insertion.
  • the material thickness of the web portion is less than 1.0mm and is preferably between 0.5mm and 0.8mm.
  • the range indicated as being preferred has proven to be a suitable compromise between the desired strength and a meaningful reduction in the cross-section available for heat conduction in steel insert profiles.
  • Austenitic stainless steel has proven to be a particularly suitable material for the insert profiles because of its relatively low thermal conductivity with good corrosion resistance.
  • the insert profile has punched-out portions in the web portion, wherein preferably these punched-out portions can be configured as a multiplicity of rectangular punched-out portions with rounded corners, oblong holes or circular holes.
  • Punching in the web section are generally used to unwanted.
  • the provision of punched holes thus represents a measure complementary or alternative to the provision of a low material thickness of the web portion, but also the choice of material for the insertion section to the desired sufficient. To combine strength with the lowest possible heat conduction.
  • the web portion of the insertion profile extends at a distance from the insulating web in the region between the fastening lugs. In this way, it is to be avoided that a part of the heat flow extending over the web section is coupled into the insulating web, thereby increasing the total undesired heat flow.
  • the retaining contours and fixing sections are dimensioned and designed so that after melting of the insulating strip in case of fire, the metal profiles are held together by the insertion profile until this fails.
  • the retaining contours of the metal profiles, the attachment lugs of the insulating web and the insertion sections are designed and dimensioned so that in the installed state in the composite profile of at least one insert section not the holding contours of the metal profiles touched.
  • the heat flow can be introduced by heat conduction directly into the insertion profile and can be reintroduced into the opposite metal profile in this. This would result in an undesirable "short circuit", which is to be strictly avoided, especially in the field of windows, doors and facades, where the metal profiles are often at very different temperature levels.
  • Fig. 1 shows an inventive thermal insulation 10, which is secured between metal sections 12a, 12b.
  • the thermal insulation profile 10 has for this purpose widened fastening lugs 14, which are inserted into retaining contours 16a, 16b of the metal profiles 12a, 12b and are fixed in a form-fitting manner.
  • the widened mounting lugs 14 are designed and dimensioned so that they in the retaining contours 16 a, 16 b either in the longitudinal direction, ie perpendicular to the plane of the Fig. 1 can be inserted or in the plane of the Fig. 1 can be inserted, followed by a curling of the retaining contours 16a, 16b to produce the desired positive connection.
  • the insulating web 18 of the thermal insulation 10 is made of a material with low thermal conductivity, usually a plastic material, the geometry between the retaining contours 16 a, 16 b and the attachment lugs 14 but also be designed so that it Locally when rolling the retaining contours 16a, 16b may lead to a deformation or a slight shearing of material of the attachment approaches, as indicated by reference numeral 20.
  • the insulating web 18 has receiving recesses in the form of channel-shaped depressions 22, which are each formed in the region of the fastening lugs 14. Such a groove-shaped depression in the attachment lug 14 of an insulating web 18 is in Fig. 2 shown, wherein the geometry of the insulating webs 18 in Fig. 1 and 2 does not match.
  • the channel-shaped recesses 22 are preferably produced by a cutout or already in the course of the extrusion of the insulating web and are arranged and dimensioned so that the fixing sections 24 of an insert profile 26 can be pressed therein.
  • the insertion profile 26 consists of a web portion 28, connect to the opposite sides in the longitudinal direction of the fixing.
  • the fixing sections 24 of the insertion profile 26 are formed by a fold of the substantially sheet-like material of the insertion profile, wherein in addition to a simple fold substantially 90 °, the fixing sections 24 are additionally bent by 180 ° again in the region of the illustrated arc 30, so that there is a doubling of the material thickness in the region of the fixing sections 24.
  • the insert profile 26 is made of a heat-resistant, non-combustible material and preferably made of stainless steel. Although stainless steel has a low thermal conductivity compared to steel and aluminum, but compared to the plastic material preferably used for the insulating material has good thermal conductivity. Thus, the relatively good heat conducting stainless steel material no direct heat conduction between the Metal profiles 12a, 12b produced, the receiving recesses 22 and the fixing portions 24 are dimensioned and matched to one another that in the inserted state of the insert 26 in the insulating strip 18 no contact between the insert profile 2 and the metal profiles 12a, 12b, ie the Einlegeprofils 26 not abuts the metal profiles.
  • the insert profile 26 is preferably made of sheet metal, with a material thickness of less than 1 mm and preferably between 0.4 mm and 0.8 mm being particularly favorable for reducing the material cross section available for heat conduction.
  • the fixing portions 24 as well as the receiving recesses in the form of groove-shaped recesses 22 are dimensioned so that they are inserted only in the longitudinal direction, ie perpendicular to the plane in the retaining contours 16 a, 16 b of the metal profiles 12 a, 12 b, but not by the in Fig. 1 denoted by the symbol A clear opening width can escape from the holding contours. This ensures that in case of fire and after softening or complete melting of the material of the fastening lugs 14, the metal profiles 12a; 12b are still provisionally held together by acting as a mounting bracket insertion profile 26.
  • the insertion profile 26 is held by the clamping connection between the fixing sections 24 and the channel-shaped depressions 22, which, however, is always releasable again. So it is even possible to use for special, not inventive applications the insulating web 18 without it pressed-insertion profile.
  • Fig. 3a and Fig. 3b show a further embodiment of a thermal insulation profile 10, wherein the fixing portion of the insertion profile 26 consists of two individual elements. These are on the one hand the bent portion 36, which is formed integrally with the web portion 28, on the other a flat piece 38 which is connected to the folded portion 36, for example by wedging or using double-sided adhesive tape 40.
  • the channel-shaped Recess 22 in the insulating web 18 dimensioned so that after pressing the insert profile 26 consisting of web portion, folded portion 36 and glued thereto flat piece 38 of the bent portion 36 is clamped with the sheet 38 applied thereto in the channel-shaped recess 22.
  • Fig. 4a shows a further embodiment in which the insulating web 18 is indicated only by broken lines and the insertion profile 26 aier utilizat fixing sections 24, which consists of a folded portion 36, an adjoining sheet 30 and a turn adjoining the sheet second leg 42.
  • the two legs of the substantially U-shaped fixing portion 24 are not adjacent to each other, but are spaced apart and also diverge with increasing distance from the arc 30.
  • the elasticity of the material of the insertion profile can be exploited by the second leg 42 in the in Fig. 4b shown arrow direction B during the depression of the insertion profile 26 in the Insulating web 18 bends and then resets elastically, whereby an improved clamping connection between the insertion profile 26 and the insulating web 18 can be made.
  • Fig. 5 shows a further embodiment of the thermal insulation 10 according to the invention, which differs in two essential points from the in Fig. 1
  • the fixing portions 24 are formed in the manner shown that the material in the region of the fixing three layers abuts each other, on the other is the insert 26 in the region of the web portion 28 is not at the intermediate portion 32 of the insulating web 18 between the Attachment approaches 14, but is slightly spaced therefrom.
  • the insert 26 in the region of the web portion 28 is not at the intermediate portion 32 of the insulating web 18 between the Attachment approaches 14, but is slightly spaced therefrom.
  • FIG. 6 to 8 show for this purpose some possible geometry variants, which are, however, to be understood only as an example, because ultimately it depends only by introducing a tortuosity component, ie a tortuous heat transport path that is longer than the distance between the fixing sections, and / or by the reduction in the cross-section available for heat conduction reduces the heat conduction.
  • Fig. 6 are rectangular cutouts 44 with rounded corners over a large area in the web portion 28 is introduced, while in the embodiment according to Fig. 7 the punched holes 44 are provided in the form of two slot rows with punched holes 44a and 44b.
  • FIG. 8 Another easy-to-implement design is in Fig. 8 represented, according to which there are two rows of circular holes 44c in the form of a perforated grid with staggered holes in the region of the web portion.
  • Fig. 6 to 8 In each case, a suitable compromise between the reduction of the required strength of the entire insertion profile 26 for the fire and the normally desired reduction of the heat conduction is to be found.
  • the thermal insulation profile 10 is composed of two individual parts which are exactly matched to one another in terms of geometry, but nevertheless can be used variably and are interchangeable with one another within the framework of the coordinated geometries.
  • Both the insulating web 18 as well as the insertion profile 26 are easy to manufacture. Unlike insertion profiles, which are already embedded in the insulating web production technology, these parts can be made separately from each other and only be pre-assembled at a later date.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Special Wing (AREA)

Claims (12)

  1. Profilé calorifuge pour constructions ignifuges pour le montage entre deux profilés métalliques (12a, 12b) agencés à distance l'un de l'autre, comprenant :
    - une nervure isolante (12) en un matériau présentant une faible thermoconductibilité , qui
    -- présente des saillies de fixation (14) qui sont conçues et dimensionnées pour se loger avec complémentarité de formes dans un contour de retenue (16a, 16b) de l'un des profilés métalliques (12a, 12b) ; et
    -- des évidements de réception (22) dans la zone des saillies de fixation (14) ; ainsi que
    - au moins un profilé d'insertion (26) qui
    -- est fixé de manière détachable sur la nervure isolante (12) ;
    -- se compose d'un matériau non combustible résistant à la chaleur ; et
    -- présente une section de nervure (28) et deux sections de fixation (24) agencées sur les côtés longitudinaux opposés de la section de nervure (28) qui sont insérables dans les évidements de réception (22) et sont conçues et dimensionnées afin d'être maintenues avec complémentarité de formes dans les évidements de réception (22) ;
    caractérisé en ce que :
    les évidements de réception sont des cavités en forme de rigole (22).
  2. Profilé calorifuge selon la revendication 1, caractérisé en ce que :
    le profilé d'insertion (26) se compose sensiblement de tôle métallique qui présente des chanfreins (36) dans la zone des sections de fixation (24).
  3. Profilé calorifuge selon la revendication 2, caractérisé en ce que :
    le profilé d'insertion (26) est replié sensiblement en U dans la zone des sections de fixation (24).
  4. Profilé calorifuge selon la revendication 3, caractérisé en ce que :
    la distance entre les branches des sections de fixation en U (24) augmente à distance croissante d'un arc (30) les reliant.
  5. Profilé calorifuge selon la revendication 2, caractérisé en ce que :
    le profilé d'insertion (26) est replié dans la zone des sections de fixation (24) de sorte que le matériau présente trois couches dans la zone des sections de fixation (24) .
  6. Profilé calorifuge selon la revendication 2, caractérisé en ce que :
    un autre élément (38), de préférence en un matériau à thermoconductibilité médiocre est fixé, de préférence collé (40), sur les chanfreins (36).
  7. Profilé calorifuge selon l'une quelconque des revendications précédentes,
    caractérisé en ce que :
    l'épaisseur du matériau de la section de nervure (28) est inférieure à 1 mm et de préférence est comprise entre 0,5 et 0,8 mm.
  8. Profilé calorifuge selon l'une quelconque des revendications précédentes,
    caractérisé en ce que :
    le profilé d'insertion (26) présente des découpes (44 ; 44a ; 44b ; 44c) dans la section de nervure, de préférence sous la forme d'une pluralité de découpes rectangulaires avec des coins arrondis (44), des trous oblongs (44a, 44b) ou des trous ronds et circulaires (44c).
  9. Profilé calorifuge selon l'une quelconque des revendications précédentes,
    caractérisé en ce que :
    la section de nervure (28) du profilé d'insertion (26) est agencée à distance de la nervure isolante (18) dans la zone (32) entre les saillies de fixation (14).
  10. Profilé composite pour façades, fenêtres et portes, en particulier pour constructions ignifuges avec un profilé calorifuge selon l'une quelconque des revendications précédentes ainsi que deux profilés métalliques (12a, 12b) avec des contours de retenue (16a, 16b), dans lesquels le profilé calorifuge (10) s'engage avec complémentarité de formes.
  11. Profilé composite selon la revendication 10, caractérisé en ce que :
    les contours de retenue (16a, 16b) ainsi que les sections de fixation (24) sont dimensionnés et conçus de sorte que les profilés métalliques (12a, 12b) soient maintenus par le profilé d'insertion (26) après un enlèvement par fusion de la nervure isolante (18) en cas d'incendie.
  12. Profilé composite selon l'une quelconque des revendications 10 ou 11,
    caractérisé en ce que :
    les contours de retenue (16a, 16b) des profilés métalliques (12a, 12b),, les saillies de fixation (14) de la nervure isolante (18) et les sections de fixation (24) du profilé d'insertion (26) sont conçus et dimensionnés de sorte que le au moins un profilé d'insertion (26) ne touche pas les contours de retenue (16a, 16b) des profilés métalliques (12a, 12b).
EP08162505.5A 2008-08-18 2008-08-18 Profilé calorifuge pour constructions ignifuges et profilé composite pour façades, fenêtres et portes Active EP2157270B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08162505.5A EP2157270B1 (fr) 2008-08-18 2008-08-18 Profilé calorifuge pour constructions ignifuges et profilé composite pour façades, fenêtres et portes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08162505.5A EP2157270B1 (fr) 2008-08-18 2008-08-18 Profilé calorifuge pour constructions ignifuges et profilé composite pour façades, fenêtres et portes

Publications (2)

Publication Number Publication Date
EP2157270A1 EP2157270A1 (fr) 2010-02-24
EP2157270B1 true EP2157270B1 (fr) 2016-03-30

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011051510A1 (de) * 2011-07-01 2013-01-03 Michael Korff Distanzstück für gedämmte Tragstrukturen
CN111593999A (zh) * 2020-05-21 2020-08-28 晋中鑫铭格新材料科技有限公司 一种新型三层复合粘接式节能门窗型材及制作工艺

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Publication number Priority date Publication date Assignee Title
DE3102616A1 (de) 1981-01-27 1982-09-02 Helmar Dr.Dr. 8530 Neustadt Nahr Isolierkoerper
DE9422222U1 (de) 1994-12-08 1998-12-17 Schüco International KG, 33609 Bielefeld Rahmenwerk aus Metallprofilen in Brandschutzausführung für Fenster, Türen, Fassaden oder Glasdächer
DE19818769C2 (de) * 1998-04-27 2001-07-12 Ingbuero Dr Ing Harald Schulz Wärmedämmleiste
DE19900793C2 (de) * 1999-01-12 2001-11-22 Ingbuero Dr Ing Harald Schulz Brandschutzleiste

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Title
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