EP0190171B1 - Device for retaining snow - Google Patents

Device for retaining snow Download PDF

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Publication number
EP0190171B1
EP0190171B1 EP85903206A EP85903206A EP0190171B1 EP 0190171 B1 EP0190171 B1 EP 0190171B1 EP 85903206 A EP85903206 A EP 85903206A EP 85903206 A EP85903206 A EP 85903206A EP 0190171 B1 EP0190171 B1 EP 0190171B1
Authority
EP
European Patent Office
Prior art keywords
section
web
retainer device
snow
wall
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.)
Expired
Application number
EP85903206A
Other languages
German (de)
French (fr)
Other versions
EP0190171A1 (en
Inventor
Werner Lohrer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcan Holdings Switzerland AG
Original Assignee
Schweizerische Aluminium AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schweizerische Aluminium AG filed Critical Schweizerische Aluminium AG
Priority to AT85903206T priority Critical patent/ATE34006T1/en
Publication of EP0190171A1 publication Critical patent/EP0190171A1/en
Application granted granted Critical
Publication of EP0190171B1 publication Critical patent/EP0190171B1/en
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
    • E04D13/10—Snow traps ; Removing snow from roofs; Snow melters
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0408—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
    • E04C2003/0421—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section comprising one single unitary part
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/043—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the hollow cross-section comprising at least one enclosed cavity
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/0434—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the open cross-section free of enclosed cavities
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/0439—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the cross-section comprising open parts and hollow parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0452—H- or I-shaped
    • E04C2003/0456—H- or I-shaped hollow flanged, i.e. "dogbone" metal beams

Abstract

A device for retaining snow and intended to be mounted on roofs or similar inclined surfaces comprises two section bars (12) spaced from each other and presenting at least one longitudinal wall (14) and connected by a web (11) extending between said walls. Said section bars (12) consist of hollow section bars and are extruded into a single piece with the web (11).

Description

Die Erfindung betrifft eine Schneehaltevorrichtung für die Montage auf Dächern oder entsprechenden Flächen mit zwei in Abstand zueinander verlaufenden Profilen, die zumindest eine Längswand aufweisen sowie durch wenigstens einen zwischen den Längswänden verlaufenden Steg verbunden sind.The invention relates to a snow holding device for mounting on roofs or corresponding surfaces with two spaced profiles which have at least one longitudinal wall and are connected by at least one web running between the longitudinal walls.

Eine derartige Schneehaltevorrichtung offenbart die Schrift zum DE-U-8 229 095 ; zwei Winkelstäbe sind durch Querstege miteinander leiterartig verbunden und in seitliche Haltebügel eingeschoben. Dieses zaunartige Element ist mit dem erheblichen Nachteil behaftet, daß sich an dem unten abstehenden Winkelstreifen Nässe ablagern kann, insbesondere dann, wenn durch nicht sachgemäße Befestigung die Vorrichtung etwas schräg verläuft. Dann bildet der untere Winkel eine Wasserrinne, in weicher das Wasser stehen bleibt und Korrosionen erzeugt. Außerdem gefährden die abstehenden Teile dieser Schneehaltevorrichtung einen Benutzer, beispielsweise einen Monteur.Such a snow holding device is disclosed in DE-U-8 229 095; two angle bars are connected to each other like a ladder by crossbars and inserted into the side bracket. This fence-like element has the considerable disadvantage that moisture can accumulate on the angled strip protruding below, in particular if the device runs somewhat obliquely due to improper fastening. Then the lower angle forms a water channel in which the water stops and creates corrosion. In addition, the protruding parts of this snow holding device endanger a user, for example a fitter.

Als weiterer Mangel muß angesehen werden, daß die Herstellung einer derartigen Konstruktion sehr aufwendig ist und an den Verbindungsstellen der einzelnen Elemente Korrosionsnester anbietet.Another shortcoming must be considered that the manufacture of such a construction is very complex and offers corrosion nests at the connection points of the individual elements.

Angesichts dieser Gegebenheiten hat sich der Erfinder das Ziel gesetzt, ein korrosionsarmes, auf einfache Weise herzustellendes und problemlos montierbares Element geringen Gewichts zu fertigen, was erfindungsgemäß dadurch erfolgt, daß die Profile als Hohlprofile mit keinerlei nach außen abstehenden Teilen ausgebildet und mit dem Profilsteg einstückig auf dem Wege des Strangpreßens aus Aluminium oder einer Aluminiumlegierung hergestellt sind. Darüber hinaus sind die zueinander weisenden Innenwände der Hohlprofile vom Profilsteg weg auseinanderführend geneigt.In view of these circumstances, the inventor has set itself the goal of producing a low-corrosion element that is easy to manufacture and can be assembled easily and of low weight, which is done according to the invention in that the profiles are designed as hollow profiles with no outwardly projecting parts and are integral with the profile web the way of extrusion are made of aluminum or an aluminum alloy. In addition, the mutually facing inner walls of the hollow profiles are inclined away from the profile web.

Die erfindungsgemäße Schneehaltevorrichtung ist durch den Strangpreßvorgang problemlos zu fertigen und zwar ohne abstehende Teile. Die Hohlprofile sind dank des Strangpreßvorgangs völlig geschlossen und können infolgedessen keine Flüssigkeit in sich aufnehmen. Von besonderer Bedeutung ist die Schräglage der beiden einander zugekehrten Innenwände ; hierdurch kann auch bei unsachgemäßer Montage die oben beschriebene Auffangrinne für Flüssigkeit nicht entstehen.The snow holding device according to the invention is easy to manufacture by the extrusion process and without any protruding parts. Thanks to the extrusion process, the hollow profiles are completely closed and as a result cannot absorb any liquid. The inclined position of the two inner walls facing each other is of particular importance; as a result, the above-described collecting channel for liquid cannot arise even if improperly installed.

Nach einem weiteren Merkmal der Erfindung schließt die Innenwand mit dem Profilsteg einen Neigungswinkel von 110 bis 150°, bevorzugt 140°, ein und gewährleistet in besonderem Maße, daß auf der Innenwand weder Schnee noch Wasser stehenbleiben können. Dieser Vorzug kann erfindungsgemäß noch durch eine leichte Krümmung des Hohlprofilquerschnitts der Innenwand unterstützt werden.According to a further feature of the invention, the inner wall with the profile web encloses an inclination angle of 110 to 150 °, preferably 140 °, and ensures to a particular degree that neither snow nor water can remain on the inner wall. This advantage can be supported according to the invention by a slight curvature of the hollow profile cross section of the inner wall.

Als günstig hat es sich erwiesen, die Längsachse des Profilsteges als Symmetrieebene zu nutzen ; zu beiden Seiten dieser Symmetrieebene sind gleiche Profilkonturen angeordnet, beispielsweise ein Hohlprofil mit Zwischeninnenwand und Seitenwand vorgesehenem und zu beiden genannten Wänden geneigtem Zwischenstreifen. Diese besonders gefällige Form bietet über ihre Optik hinaus besonders wenig Angriffsflächen für ein Liegenbleiben von Schnee oder Flüssigkeit, darüber hinaus aber eine Montageerleichterung, da das erfindungsgemäße Profil nie mit einer « falschen » Seite montiert wird.It has proven to be advantageous to use the longitudinal axis of the profile web as a plane of symmetry; The same profile contours are arranged on both sides of this plane of symmetry, for example a hollow profile with an intermediate strip provided between the inner wall and the side wall and inclined to both walls. In addition to its appearance, this particularly pleasing shape offers particularly little contact surfaces for snow or liquid to remain lying down, but also makes installation easier, since the profile according to the invention is never installed with a “wrong” side.

Als günstige Form des Hohlprofilquerschnitts ergibt sich ein Rechteckprofil, das mit einem Eck an den Profilsteg anschließt, wobei die diesem benachbarten Rechteckseiten die Innenwände bilden.As a favorable form of the hollow profile cross section, a rectangular profile results, which adjoins the profile web with a corner, the adjacent rectangular sides forming the inner walls.

Die an sich aus der Schrift zum DE-U- 8 229 095 bekannten Zwischenräume zwischen den dort vorhandenen Stegen sind erfindungsgemäß im Profilsteg dadurch erzeugt, daß man Ausnehmungen ausstanzt, welche bevorzugt zwischen sich Stege bilden, die quer zu den beiden Hohlprofilen verlaufen.The spaces between the webs present there, which are known per se from DE-U-8 229 095, are produced in the profile web according to the invention by punching out recesses which preferably form webs between them which run transversely to the two hollow profiles.

Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele sowie anhand der Zeichnung ; diese zeigt in :

  • Fig. 1 : eine geschnittene Schrägsicht auf einen Profilstreifen mit Hohlprofilen ;
  • Fig. 2.: den Querschnitt durch ein anderes Ausführungsbeispiel.
  • Fig. 3 : einen Querschnitt durch ein Hohlprofil.
Further advantages, features and details of the invention result from the following description of preferred exemplary embodiments and from the drawing; this shows in:
  • Fig. 1: a sectional oblique view of a profile strip with hollow profiles;
  • Fig. 2 .: the cross section through another embodiment.
  • Fig. 3: a cross section through a hollow profile.

Ein auf einem Dach festlegbarer Profilstreifen 10 einer Höhe i von beispielsweise 150 mm zum Halten von Dachlawinen besteht nach Fig. 1 aus einem Profilsteg 11 mit beidends angeordneten Hohlprofilen 12. Diese sind zusammen mit dem Profilsteg 11 aus Leichtmetall einstückig auf dem Wege des Strangpressens hergestellt.According to FIG. 1, a profile strip 10, which can be fixed on a roof and has a height i of 150 mm, for example, for holding roof avalanches, consists of a profile web 11 with hollow profiles 12 arranged on both sides.

Der Innenraum 13 jenes Hohlprofils 12 wird von einem Abschnitt des Profilsteges 11, einer dazu rechtwinkligen Längswand 14, einer zum Profilsteg 11 parallelen Seitenwand 15 sowie einer geneigten Innenwand 16 begrenzt ; letztere schließt mit dem Profilsteg 11 einen Winkel w von bevorzugt 140° ein.The interior 13 of that hollow profile 12 is delimited by a section of the profile web 11, a longitudinal wall 14 perpendicular thereto, a side wall 15 parallel to the profile web 11 and an inclined inner wall 16; the latter includes an angle w of preferably 140 ° with the profile web 11.

In den verbliebenen Mittelstreifen des Profilsteges 11 sind Ausnehmungen 17 eingebracht, beispielsweise eingestanzt, die Zwischenstege 18 bilden.In the remaining central strip of the profile web 11, recesses 17 are made, for example stamped, which form intermediate webs 18.

Beim Ausführungsbeispiel der Fig. 2 ist die Längsachse des Profilsteges 11 eine Symmetrieebene E für den stranggepreßten Profilstreifen 10a. Hier gehen vom Profilsteg 11 einer Höhe h beidends in einem Winkel t von etwa 70° zwei Innenwände 16 ab, an die jeweils mit einem Winkel n ein Zwischenstreifen 16a anschließt, der in die Seitenwand 15 übergeht. Die Längswand 14 wird durch jene Symmetrieebene E in der Mitte geteilt.In the embodiment of FIG. 2, the longitudinal axis of the profile web 11 is a plane of symmetry E for the extruded profile strip 10 a . Here go from the profile web 11 of a height h at both ends at an angle t of about 70 °, two inner walls 16, each of which adjoins at an angle n an intermediate strip 16 a , which merges into the side wall 15. The longitudinal wall 14 is divided by that plane of symmetry E in the middle.

In Fig. 3 ist ein Hohlprofil 12 mit quadratischem Querschnitt zu erkennen, der mit einer Ecke an den Profilsteg 11 angeformt ist.In Fig. 3 is a hollow profile 12 with a square Recognize cross section, which is formed with a corner on the profile web 11.

Claims (10)

1. A snow retainer device for mounting on roofs or corresponding sloping areas, having two sections (12) running at a distance apart, which exhibit at least one longitudinal wall (16) and also are connected by at least one web (11) running between the longitudinal walls, characterized in that the sections are made as hollow sections (12) having absolutely no parts standing up on the outside and are produced by way of extrusion from aluminium or aluminium alloy with the web in one piece as a section web (11).
2. A snow retainer device as in Claim 1, characterized in that inner walls (16) pointing at one another on the hollow sections (12) are carried by the section web (11) at a slope away from one another.
3. A snow retainer device as in Claim 1 or 2, characterized in that the hollow section (12) exhibits in each case a sidewall adjoining the longitudinal wall (14) and the inner wall (16) runs between the latter and the section web (11).
4. A snow retainer device as in one of the Claims 1 to 3, characterized in that the inner wall (16) includes with the section web (11) an angle of inclination (w) of from 110 to 150°, preferably 140°.
5. A snow retainer device as in one of the Claims 1 to 4, characterized in that the longitudinal axis of the section web (11) is a plane of symmetry (E).
6. A snow retainer device as in one of the Claims 1 to 5, characterized in that between the inner wall (16) and the sidewall (15) running in parallel with the section web (11) runs an intermediate strip (16J which slopes with respect to both of them.
7. A snow retainer device as in Claim 1 or 5, characterized in that the hollow section (12) exhibits an essentially rectangular, preferably square cross-section and is moulded by one corner onto the section web (11) so that two adjacent walls of the cross-section form inner walls (16).
8. A snow retainer device as in one of the Claims 1 to 7, characterized in that the inner wall (16) exhibits a curvature in cross-section.
9. A snow retainer device as in one of the Claims 1 to 8, characterized in that cutouts (17) are stamped into the section web (11).
10. A snow retainer device as in Claim 1 or 9, characterized in that the cutouts (17) form intermediate webs (18) between them.
EP85903206A 1984-07-30 1985-07-24 Device for retaining snow Expired EP0190171B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85903206T ATE34006T1 (en) 1984-07-30 1985-07-24 SNOW DEVICE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19848422675U DE8422675U1 (en) 1984-07-30 1984-07-30 SNOW HOLDING DEVICE
DE8422675U 1984-07-30

Publications (2)

Publication Number Publication Date
EP0190171A1 EP0190171A1 (en) 1986-08-13
EP0190171B1 true EP0190171B1 (en) 1988-05-04

Family

ID=6769337

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85903206A Expired EP0190171B1 (en) 1984-07-30 1985-07-24 Device for retaining snow

Country Status (6)

Country Link
EP (1) EP0190171B1 (en)
DE (2) DE8422675U1 (en)
FI (1) FI861307A (en)
IS (1) IS3028A7 (en)
NO (1) NO860929L (en)
WO (1) WO1986000950A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7866095B2 (en) * 2004-09-27 2011-01-11 Renscience Ip Holdings Inc. Roof edge vortex suppressor
WO2008058310A1 (en) * 2006-11-14 2008-05-22 Srb Construction Technologies Pty Ltd A sideform system
WO2019109134A1 (en) * 2017-12-05 2019-06-13 Exhibition & Theatre Projects Pty Ltd A truss batten

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2029645A (en) * 1933-12-18 1936-02-04 Stran Steel Corp Structural element
DE1023210B (en) * 1952-06-25 1958-01-23 Stahlbau Michael Lavis Soehne Welded beam
CH396370A (en) * 1961-05-18 1965-07-31 Alusuisse Metal profile bar
US3342007A (en) * 1964-08-03 1967-09-19 Anthes Imp Ltd Structural member
CH452160A (en) * 1967-05-31 1968-05-31 Kuenzle David Snow guard and protection device for slab and tile roofs
GB2086971B (en) * 1980-11-05 1984-08-08 Kwikform Ltd Structural beam
DE8229095U1 (en) * 1981-10-23 1983-02-03 Willa, Siegfried, 3900 Brig, Wallis FASTENING DEVICE FOR A SNOW HOLDING DEVICE

Also Published As

Publication number Publication date
NO860929L (en) 1986-03-12
FI861307A0 (en) 1986-03-26
WO1986000950A1 (en) 1986-02-13
EP0190171A1 (en) 1986-08-13
DE3562502D1 (en) 1988-06-09
IS3028A7 (en) 1985-08-30
FI861307A (en) 1986-03-26
DE8422675U1 (en) 1984-12-13

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