EP0712973A1 - Aérateur universel à éléments latéraux plissés moulé par injection - Google Patents

Aérateur universel à éléments latéraux plissés moulé par injection Download PDF

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Publication number
EP0712973A1
EP0712973A1 EP95117993A EP95117993A EP0712973A1 EP 0712973 A1 EP0712973 A1 EP 0712973A1 EP 95117993 A EP95117993 A EP 95117993A EP 95117993 A EP95117993 A EP 95117993A EP 0712973 A1 EP0712973 A1 EP 0712973A1
Authority
EP
European Patent Office
Prior art keywords
strip
shaped device
side part
section
ventilation
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.)
Granted
Application number
EP95117993A
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German (de)
English (en)
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EP0712973B1 (fr
Inventor
Alfons Knoche
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.)
MBE Moderne Befestigungselemente GmbH
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0712973A1 publication Critical patent/EP0712973A1/fr
Application granted granted Critical
Publication of EP0712973B1 publication Critical patent/EP0712973B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
    • E04D1/36—Devices for sealing the spaces or joints between roof-covering elements
    • 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
    • E04D13/17—Ventilation of roof coverings not otherwise provided for
    • E04D13/174—Ventilation of roof coverings not otherwise provided for on the ridge of the roof
    • E04D13/176—Ventilation of roof coverings not otherwise provided for on the ridge of the roof formed by flexible material suitable to be rolled up

Definitions

  • the invention relates to a strip-shaped device for covering a gap running longitudinally on the roof between a ridge or ridge screed and roofing panels according to the preamble of claim 1.
  • Such a device is known as a sealing apron from European Patent No. 0 389 058 B1.
  • This sealing apron has a fastening part for fastening to a flat roof part and a cover part, at least is partially corrugated and the corrugated part is made of resiliently deployable material, the height of the corrugations decreasing from the outer edge of the cover part towards the fastening part and the cover part is free of thick support means and is integrally formed with the fastening part.
  • the main disadvantage of this sealing apron is that the cover part, although it can spread out into the valleys of roofing slabs with the aid of its wave shape that increases towards the outside, due to the design in the transition part between the fastening part and the cover part, no sufficient pressure on the profiled roof part exercises.
  • the transition described above is not stiff enough for this. This lack of spring action results in the sealing apron sealing poorly.
  • the sealing ability of the cover parts also suffers from the fact that the height of the corrugations decreases towards the fastening part, as a result of which the structure of the cover part no longer provides any rigidity.
  • a ridge or ridge cover for roofs covered with roofing panels is known from European Patent No. 0 117 391 B1.
  • the sealing edge part of this ridge or ridge cover is designed like a comb, the teeth of the edge part being connected to one another by an edge strip bridging the tooth gaps and made of flexible material.
  • an expandable edge part serves to enable the sealing part to adapt to the corrugated surface of the roofing panels.
  • This fan is produced in the extrusion process, the teeth of the comb-like edge part having to be punched out.
  • Protruding stiffeners or webs to improve the rigidity in the transition area between the fastening part and the edge part can only be applied by spraying.
  • a device is to be created which can be produced relatively inexpensively and inexpensively and nevertheless has good sealing properties.
  • the main advantage of the device according to the invention lies in the rigidity which it has at the transition from the ventilation section to the adjacent side part. This stiffness creates a spring effect that over the Ventilation sections from the support acts on the side parts of the device and leads to the fact that these side parts are pressed into the profile of the roofing panels and into their valleys with a sufficiently large force effect, that is to say a sufficiently large pressure.
  • the pleating of the side parts and their material thickness decreasing towards their outer edge support a complete and sufficiently strong pressing as well as a good seal at the edges of the side parts.
  • Structural reinforcement is provided in that the height of the pleating essentially remains the same from the ventilation sections to the outer edges of the side parts.
  • the pressure created by the spring action can be passed on to the edges of the side parts because of this wave structure, with no or only slight deflection of the side parts around the longitudinal axis of the device.
  • the provided reinforcement devices are decisive for the transverse rigidity of the side parts in the area of the transition from the ventilation section to the side part.
  • the device has spacers spaced in the longitudinal direction, which are preferably arranged in the transition region from the ventilation section to the adjacent side part, and essentially serve to prevent components lying on the device from blocking the ventilation paths.
  • the reinforcing devices can each be arranged in the area of these spacers, as a result of which the reinforcing spring action will be established in this area.
  • reinforcement devices there is of course also the possibility of placing reinforcement devices both in the area of the spacers and between them.
  • this is characterized in that the spacings of the reinforcing devices in the longitudinal direction of the strip-shaped device correspond to the division of the waveform formed by the roofing panels.
  • the spring effect at the transition between the ventilation section and the side part is particularly important in those places where the edges of the pleated apron have to dip into the troughs of the profiled roof covering panels. It is therefore important to design a device according to the invention in this way, or to place the reinforcement devices in the division so close together that there is sufficient rigidity for the valleys of the roofing slabs in order to ensure the tightness at the edges.
  • the strip-shaped device can thus be optimally designed according to predetermined divisions of the waveform of the roofing panels.
  • the reinforcing devices have reinforcing ribs running out from the upper part of a spacer on the outside of this and along the side part along the pleated side part, and preferably additionally having additional ribs running transversely over the ventilation section.
  • the reinforcing ribs running over the spacers which can extend to the upper part of the spacer, ensure an improved area Stiffness. This is especially true when this embodiment is designed so that the reinforcing ribs run into the apex of a pleating section that is curved outwards.
  • the depth of the reinforcing ribs preferably increases steadily from the upper part of the spacer to its end, which ends in the apex of an outwardly curved pleating section.
  • the areas of the side part closer to the edge, which are supported by the reinforcing ribs, which have a greater depth in this area, are very well supported in their transverse rigidity by this measure.
  • the reinforcement devices on the inside of the strip-shaped device opposite a spacer at and / or between the spacers have reinforcement inserts and preferably additional inserts which run transversely below the ventilation section and which cover the transition area at the edge between the side part and the ventilation section bridge.
  • These reinforcing inserts arranged on the inside can be arranged in addition to the reinforcing ribs on the outside or as the only stiffeners on the inside.
  • reinforcing ribs and reinforcing inserts are provided both outside and inside, which are arranged at and between the spacers.
  • An advantageous education the reinforcing inserts can be reached through the triangular webs bridging the edge region between the side part and the ventilation section.
  • a strip-shaped device according to the invention can be produced in one piece by means of an injection molding technique.
  • This type of production ensures an inexpensive and inexpensive production which, compared to extrusion and deep-drawing processes, only makes it possible to produce the raised contours.
  • the device according to the invention consists of a thermoplastic, in particular a polyolefin.
  • the device consists of a polypropylene material with additives for improving the resistance to UV light and increasing the elasticity of the pleated side part. This can avert harmful influences of UV light and ensure the tightness of the side parts.
  • the height of the pleating measured from wave crest to wave trough, can be approximately 2 mm to 10 mm, in particular 4 to 8 mm and particularly preferably 5 to 7 mm. It will depend on the demands on the elasticity of the pleated side panel and is therefore in height on the different profiles of the roofing body, such as Example brick, adjust.
  • the material thickness of the side parts on the outer edges should be approximately 0.2 mm to 0.6 mm, in particular 0.3 mm to 0.5 mm, while the material thickness of the side parts at the transition to the ventilation sections is approximately 0.5 mm to 1.1 mm. 5 mm, in particular 0.8 mm to 1.2 mm should be. It should be ensured that, according to the invention, the material thickness at the transition to the ventilation sections is greater than at the outer edges of the side parts. With the specified values, a well-sealing strip-shaped device can be produced, which, because of its lower material thickness, has good sealing ability and elasticity at the outer edges and, with its higher material thickness in the transition area between the side part and the ventilation section, enables good rigidity or spring action.
  • the pleated side parts preferably have an expandable shape which is constructed in particular from circular arcs, trapezoidal shapes, angular shapes or U-shapes which run into one another.
  • an expandable shape which is constructed in particular from circular arcs, trapezoidal shapes, angular shapes or U-shapes which run into one another.
  • all conceivable spreadable shapes can be used here.
  • this is characterized in that the pleated side parts have spring ribs running transversely to the wave shape or in the apex direction of the pleating. Depending on their training, these can strengthen and improve the internal spring stiffness of the pleated side parts. With spring ribs attached along the apex line, the pressing force on the roof tiles can thus be further improved, while in the transverse direction, for example under the apex at the edge of the pleated side part attached spring ribs cause a kind of leaf spring effect to reinforce the structure.
  • a strip-shaped device according to the invention can be designed to be rollable and can be laid by the meter.
  • strips with lengths of 5-10 meters can be produced here, which are made from the product produced by the endless process.
  • a preferred method of making such strips is the extrusion process.
  • FIG. 1 shows the essential parts of a roof ridge with an assembled strip-shaped device according to the invention, which will be referred to as ventilation strips 1 in the following.
  • the ventilation strip 1 is fastened with its support 11 on the upper surface of a ridge screed 2 running longitudinally along the roof, for example nailed on. Between the ridge screed and the upper edges of the roofing tile 3 there is a gap along the roof, which must be covered by the ventilation strip 1. This gap is essentially bridged by the ventilation section 12 of the ventilation strip 1 adjoining the support 11, in which case ventilation openings 14 ensure sufficient air passage from the area under the ventilation section 12 to the area under the ridge tile 4.
  • Adjacent to the ventilation section 12 are the side parts 20 of the ventilation strip 1, which extend from the edge of the ventilation section 12 to their outer edges molded into the valleys of the roof tiles 3.
  • the side parts 20 are pleated in a wave shape, namely from the connection to the ventilation section 12 to their outer edges at the same height. When applied to the profile of the roof tiles 3, the pleating causes the side parts 20 Spread out on their outer edges and fit closely to the profile of the roof tiles. This ensures sealing against the ingress of liquids and snow.
  • spacers 13 are attached as a support for the ridge tile 4.
  • Reinforcing ribs 22 extend from the upper sections of the spacers 13 to the outwardly curved pleating sections and give the ventilation strip 1 sufficient stiffness in this transition region, which acts in such a way that the side part 20 is pressed onto the roof tiles 3 with sufficient spring force so that there is a sufficient sealing effect.
  • the ventilation strip 1 described here consists of a polypropylene material with additives for improving the resistance to UV light and increasing the elasticity of the pleated side part 21 (see FIG. 2).
  • a polypropylene material with additives for improving the resistance to UV light and increasing the elasticity of the pleated side part 21 (see FIG. 2).
  • another thermoplastic in particular a polyolefin, can be used.
  • the ventilation strip 1 shown in the figures has, in order to improve the transverse rigidity at the transition between the ventilation section 12 and the side part 20, both reinforcing ribs 22 attached to the outside of the spacers 13 and reinforcing inserts 23 located inside in this transition area (see FIGS. 2 and 3).
  • These reinforcing devices 22, 23 are arranged along the ventilation strip 1 so that they provide an optimal pressure of the side parts, especially in the areas where the apron must fit into a trough of the profiled roofing tiles or tile 3.
  • the longitudinal distances between the reinforcing ribs 22 and the reinforcing inserts 23 dimensioned so that they correspond to the division of the waveform formed by the bricks 3.
  • the reinforcing inserts 23, 22 should have a correspondingly narrow division.
  • FIG. 2 shows a cross section through the ventilation strip 1 at a point where reinforcing ribs 22 are attached to improve the transverse rigidity.
  • the ventilation strip 1 is symmetrical with respect to the center line and has in the middle the support 11, which comes to rest and is fastened on the ridge screed 2 (see FIG. 1) when the ventilation strip 1 is in the assembled state. Slightly rising upwards, a ventilation section 12 adjoins the side edges of the support 11, in which the ventilation openings 14 (not shown here, see FIG. 1) are located.
  • the spacers 13 are shown here, which protrude upward from the edges of the ventilation sections.
  • the ventilation section 12 is followed by the side part 20, which is designed in its lower section as a pleated side part 21.
  • the side part 20 has a material thickness of 0.8 to 1.2 mm at the connection area to the ventilation section 12, while it is only about 0.3 mm to 0.5 mm thick at its outer edge 24. Due to this difference in material thickness, the pleated side part 21 can expand very well on the outer edge 24 and thus optimally fulfill the sealing function.
  • the ventilation strip must, however, just in the transition area between the ventilation section 12 and the side part 20 also have a sufficiently high transverse rigidity along the side part 20.
  • the measure serves first to make the material of the side parts in the above-mentioned transition region 12, 20 thicker than at the outer edges 24.
  • the reinforcing rib 22 intended to further increase this transverse rigidity is now shown. It extends from the upper region of the spacer 13 to the beginning of the pleated section 21 of the side part 20. In the example shown, it runs out into the apex of a pleating section which is curved outwards.
  • the depth of the reinforcing rib 22 increases continuously from the upper part of the spacer 13 to the connection to the pleated side part 21, and thus has the effect that the spring force which arises in the transition region between the ventilation section 12 and the side part 20 is optimally passed on to the side part 20 .
  • the height of the pleating measured from wave crest to wave trough, corresponds to approximately 5 to 7 mm in this exemplary embodiment.
  • the spring force can be optimally transmitted to the sealing edges 24 due to its structure-reinforcing effect.
  • FIG. 3 shows a cross section through a ventilation strip 1 according to the invention, which is placed at a location where reinforcement inserts 23 are located in the inner part.
  • the structure of the ventilation strip 1 in this FIG. 3 is essentially the same as in FIG. 2.
  • essentially triangular reinforcement inserts 23 are fitted on the inside in the transition area between the ventilation section 12 and the side part 20.
  • the reinforcing inserts 23 also stiffen the transition area 12, 20 here in the area of a spacer 13, so that there is also sufficient pressing force of the side part 20 on the roof tiles 3 at this point when the ventilation strip with its support 11 is fastened to a ridge screed, i.e. when the pleated side panels 21 fit into the profiled roofing panels.
  • FIG. 4 shows a cross section, as is also shown in FIG. 2, with the difference that additional additional ribs 22a extending transversely over the ventilation section 12 are shown here, which further increase the rigidity of the transition area from the ventilation section 12 to the side part 20, and thus ensure an even better tightness of the ventilation strip.
  • the longitudinal arrangement of the additional ribs 22a can correspond to that of the reinforcing ribs 22, but there is also the possibility of attaching a large number of additional ribs 22a to reinforce the spring action along the ventilation strip 1 at any desired location.
  • FIG. 5 shows a cross section through the ventilation strip in accordance with that of FIG. 3, additional attachments 23a which are also attached and running transversely below the ventilation section being shown here.
  • the additional inserts 23a provide one further improvement of the stiffness in the transition area from the ventilation section 12 to the side part 20.
  • the arrangement of the additional inserts 23a along the ventilation strip 1 is determined only by the requirement for the stiffness, ie they can be arranged both at locations where reinforcement inserts 23 are also present, but also as a multitude with and between them.
  • FIG. 6 is a cross-sectional view of a side part (20) in the apex direction of the pleating, in which a spring rib (30) is visible. This runs longitudinally over the apex of a pleating section (21) and thus reinforces its rigidity against deflection. Another effect of this spring rib (30) is that it can very well transmit the pressing force of the side parts (20) onto the roof tiles up to the outer edge (24) of the pleated sections (21). Such spring ribs (30) can be arranged on each pleating section, in particular on each apex.
  • FIG. 7 shows a perspective sectional view, in which spring ribs (31), which are attached under the apex of the pleating and extend transversely to the apex direction, are shown. These act as a further structural reinforcement and exert a leaf spring effect, with a very good prestressing of the pleated sections (21).

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Transplanting Machines (AREA)
  • Soil Working Implements (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP95117993A 1994-11-21 1995-11-15 Aérateur universel à éléments latéraux plissés moulé par injection Expired - Lifetime EP0712973B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4441296A DE4441296C2 (de) 1994-11-21 1994-11-21 Universallüfter mit plissierten Seitenteilen in gespritzter Ausführung
DE4441296 1994-11-21

Publications (2)

Publication Number Publication Date
EP0712973A1 true EP0712973A1 (fr) 1996-05-22
EP0712973B1 EP0712973B1 (fr) 1999-03-31

Family

ID=6533707

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95117993A Expired - Lifetime EP0712973B1 (fr) 1994-11-21 1995-11-15 Aérateur universel à éléments latéraux plissés moulé par injection

Country Status (6)

Country Link
EP (1) EP0712973B1 (fr)
AT (1) ATE178380T1 (fr)
DE (2) DE4441296C2 (fr)
ES (1) ES2130503T3 (fr)
NO (1) NO305997B1 (fr)
PL (1) PL178467B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0791699A1 (fr) * 1996-02-23 1997-08-27 Alfons Knoche Closoir de ventilation enroulable pour faîte et arête de toits ainsi que son procédé de fabrication

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29723495U1 (de) 1997-01-17 1998-09-03 Knoche Alfons Extrudierter Universallüfter mit plissierten Seitenteilen
DE19820771A1 (de) * 1998-05-08 1999-11-25 Alfons Knoche Mehrteiliger Universallüfter
DE102005022940A1 (de) * 2005-05-19 2006-11-23 Lafarge Roofing Components Gmbh & Co. Kg First- und Gratabdeckung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0117391A2 (fr) 1983-02-26 1984-09-05 BRAAS & CO. GMBH Recouvrement de faîte ou d'arête pour toits recouverts de plaques
EP0389058A1 (fr) 1989-03-23 1990-09-26 Ubbink B.V. Raccord d'étanchéité pour couvrir les ouvertures entre des parties plane et profilée d'un toit
DE4001766A1 (de) 1990-01-23 1991-08-01 Albrecht Dipl Ing Kloeckner First- und gratbelueftung fuer pfannendaecher
WO1993009309A1 (fr) * 1991-10-31 1993-05-13 Kloeber Johannes Bande d'etancheite pour faite de toiture
DE4404166A1 (de) * 1994-02-10 1995-08-17 Bwk Dachzubehoer Gmbh First- oder Gratlüfterelement für die Hinterlüftung von Dächern

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8814924U1 (de) * 1988-11-30 1989-02-23 Norm A.M.C. AG, Erstfeld, Uri Lüfterkappe für First- und Gratabdeckungen
DE9209275U1 (de) * 1992-07-10 1992-09-17 Fleck, Oskar, 4354 Datteln Gratentlüftungselement
DE4406166A1 (de) * 1994-02-25 1995-08-31 Hermann Meyer Vorläufiges schreitendes Streckenausbaugestell mit endgültigem Voll- bzw. Teilverzug für die untertägige Streckenauffahrung in Stundenrichtung mit der Teilschnittmaschine vor dem Einbringen des restlichen endgültigen Streckenausbaus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0117391A2 (fr) 1983-02-26 1984-09-05 BRAAS & CO. GMBH Recouvrement de faîte ou d'arête pour toits recouverts de plaques
EP0389058A1 (fr) 1989-03-23 1990-09-26 Ubbink B.V. Raccord d'étanchéité pour couvrir les ouvertures entre des parties plane et profilée d'un toit
DE4001766A1 (de) 1990-01-23 1991-08-01 Albrecht Dipl Ing Kloeckner First- und gratbelueftung fuer pfannendaecher
WO1993009309A1 (fr) * 1991-10-31 1993-05-13 Kloeber Johannes Bande d'etancheite pour faite de toiture
DE4404166A1 (de) * 1994-02-10 1995-08-17 Bwk Dachzubehoer Gmbh First- oder Gratlüfterelement für die Hinterlüftung von Dächern

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0791699A1 (fr) * 1996-02-23 1997-08-27 Alfons Knoche Closoir de ventilation enroulable pour faîte et arête de toits ainsi que son procédé de fabrication

Also Published As

Publication number Publication date
NO305997B1 (no) 1999-08-30
PL311433A1 (en) 1996-05-27
NO954678D0 (no) 1995-11-20
ATE178380T1 (de) 1999-04-15
EP0712973B1 (fr) 1999-03-31
NO954678L (no) 1996-05-22
DE4441296C2 (de) 2003-04-24
DE59505503D1 (de) 1999-05-06
ES2130503T3 (es) 1999-07-01
PL178467B1 (pl) 2000-05-31
DE4441296C1 (de) 1996-07-04

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