EP1122375B1 - Flexibler Dachentlüfter und sein Einsatzteil - Google Patents

Flexibler Dachentlüfter und sein Einsatzteil Download PDF

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Publication number
EP1122375B1
EP1122375B1 EP00122431A EP00122431A EP1122375B1 EP 1122375 B1 EP1122375 B1 EP 1122375B1 EP 00122431 A EP00122431 A EP 00122431A EP 00122431 A EP00122431 A EP 00122431A EP 1122375 B1 EP1122375 B1 EP 1122375B1
Authority
EP
European Patent Office
Prior art keywords
lead
insert
membrane
fitting
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.)
Expired - Lifetime
Application number
EP00122431A
Other languages
English (en)
French (fr)
Other versions
EP1122375A2 (de
EP1122375A3 (de
Inventor
Palle Skydal
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.)
JA Plastindustri AS
Original Assignee
JA Plastindustri AS
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 JA Plastindustri AS filed Critical JA Plastindustri AS
Publication of EP1122375A2 publication Critical patent/EP1122375A2/de
Publication of EP1122375A3 publication Critical patent/EP1122375A3/de
Application granted granted Critical
Publication of EP1122375B1 publication Critical patent/EP1122375B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
    • E04D13/147—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs
    • E04D13/1473—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs specially adapted to the cross-section of the parts extending above the roof
    • E04D13/1476—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs specially adapted to the cross-section of the parts extending above the roof wherein the parts extending above the roof have a generally circular cross-section
    • 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

Definitions

  • the present invention concerns a ventilation lead-in as indicated in the preamble of claim 1, and an insert for fitting therein as indicated in claim 6.
  • Roof constructions for houses most often comprise an underroof mainly consisting of a membrane which is disposed under-the tiles or slabs.
  • the membrane ensures that rain or drift snow possibly blown in under the tiles does not get into the building or into the insulation located under the roof.
  • a ventilation pipe is fitted through the membrane.
  • Ventilation pipes There are different forms of ventilation pipes described in the patent literature.
  • a ventilation pipe is described in International patent application WO-A-93/18254.
  • This ventilation pipe has a collar for fitting in a hole in a plastic membrane where the lower part of the collar has a slit so that the ventilation pipe may be mounted in the hole by a spiral movement, whereafter the membrane is disposed between the lower part and the upper part of the collar.
  • DE-A-3 118 468 describes a ventilation lead-in comprising two parallel plates squeezing a membrane.
  • this ventilation pipe has the drawback that possible rain water running from the upper part of the roof down the membrane, may run from the upper side of the plastic membrane along the collar to the lower side of the plastic membrane. Thus the underroof becomes increasingly leaking the more ventilation pipes are mounted.
  • a suitable hole is provided in the membrane, preferably the membrane in the underroof.
  • the ventilation lead-in which is pliable, is pressed together and placed in the hole with an annular flange at each side of the membrane over the edge of the membrane. Then the two flanges are squeezed together so that they are brought to abut on each other, whereafter the flanges squeeze about an annular area of the membrane around the edge of the membrane.
  • This fitting is very easy to perform, and the ventilation lead-in may be mounted in the membrane from the upper side of the membrane. Therefore, no access to the underroof from the underside is needed which is an advantage.
  • the ventilation lead-in comprises an insert with net for fitting in the lead-in, where the insert has central insert hole formed by a second annular connecting wall.
  • the insert has an upper and a lower annular insert flange, where the lower insert flange extends downwards, and where the upper insert flange extends fiusto-conically upwards in a first stable condition, preferably before fitting, and where the upper insert flange extends fiusto-conically downward in a second stable condition, preferably after the fitting, whereby the lower and the upper insert flanges are squeezing the two annular flanges of the lead-in after fitting.
  • This insert is significant if drifting snow is blown in under the roof covering.
  • the net in the insert causes that drift snow is not blown into the hole but is blown over across the net in the insert.
  • the lower flange of the lead-in comprises a projection at its inner side facing the central hole.
  • the projection is shaped with a straight-edge and so that the straight edge after fitting the lead-in is mainly perpendicular to the plane of the membrane.
  • the projection is formed to facilitate the fitting of the insert as the straight edge forms a suitable abutment for the insert.
  • the lead-in is symmetrical about the plane of the membrane. In this case, it is unimportant how the lead-in is facing when performing the fitting, thereby facilitating the fitting for the user.
  • the lead-in has the shape of a solid of revolution.
  • the ventilation lead-in in principle may have many different shapes, like elliptical or polygonal, for example with rounded comers, most often it is preferred that the hole through the membrane is circular. This embodiment is advantageous for making a product in a simple way.
  • the ventilation lead-in is made of a material comprising polymer, for example plastic.
  • the material has to be long-term durable and waterproof, and therefore synthetic polymers with the right elasticity are suitable materials even though it is possible to use other materials in connection with the invention.
  • Fig. 1 shows a cross-section of a lead-in 1 according to the invention in moulded shape.
  • the lead-in 1 has a central through-going hole 2 formed by a first annular connecting wall 3 between an upper flange 4 and a lower flange 5.
  • the lead-in is shown in the first stable condition where the upper 4 and the lower annular flange 5 extend frusto-conically away from the first central annular connecting wall 3 in each their direction.
  • the lead-in 1 according to the invention is made of a flexible material so that the lead-in 1 may be folded together and thereby passed into a hole in membrane 6, after which the lead-in 1 may be placed with one of the annular flanges at each their side of the membrane over the edge 7 of the membrane.
  • Fig. 2 shows the lead-in 1 according to the invention after placing in the hole of the membrane 6.
  • FIG. 3 shows a cross-section of a lead-in 1 according to the invention after fitting.
  • Both flanges 4,5 extend frusto-conically away from the first central annular connecting wall 3 in the same direction as the membrane 6 is thereby fixed by squeezing between the two flanges 4,5.
  • the edge area 16 of the membrane between the two flanges 4,5 is forced to bend upwards. Water flowing on the surface 17 of the membrane 6 will therefore run around the lead-in 1 and will not penetrate into the hole 2 and under the membrane.
  • the lower flange 5 is provided with a projection 14 causing that the uppermost part of the hole 2 has a vertical wall 15.
  • the projection 14 is chosen because it facilitates fitting of the insert.
  • the projection 14 may be shaped in many other ways and in principle is not necessary for the invention.
  • the upper flange 4 is provided with a corresponding projection.
  • Fig. 4 shows a cross-section of an insert 8 according to the invention in moulded shape and in a first stable condition.
  • the insert 8 has a central insert hole 9 formed by a second annular connecting wall 10.
  • the insert 8 has an upper 11 and a lower annular insert flange 12, where the lower insert flange 12 extends downwards, and where the upper insert flange 11 extends frusto-conically upwards.
  • the insert is furthermore provided with a net 13.
  • Fig. 5 shows a cross-section of an insert 8 according to the invention after fitting in the lead-in 1.
  • the insert 8 is placed with the lower insert flange 12 in the hole 2 of the lead-in 1.
  • the outer side of the lower insert flange 12 abut on the inner side of the lead-in 1, where this inner side is constituted by the projection 14.
  • the insert 8 is brought from its first stable condition to the second stable condition where the upper 11 and the lower insert flange 12 are squeezing about the lead-in 1.
  • the net 13 protects against drifting snow as snow drifting over the insert hole will be lead by the hole and not fall down into the hole under the net due to the eddies arising over the net.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Tents Or Canopies (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Materials For Medical Uses (AREA)
  • Glass Compositions (AREA)
  • Insulators (AREA)
  • Body Structure For Vehicles (AREA)
  • Duct Arrangements (AREA)

Claims (7)

  1. Belüftungszuführung (1) zum Einpassen in eine Membran, bevorzugt ein Unterdach, wobei die Zuführung ein zentrales Loch (2) aufweist, das durch eine erste ringförmige Verbindungswand (3) zwischen einem oberen und einem unteren ringförmigen Flansch (4; 5) ausgebildet wird, die dafür eingerichtet sind, auf jeweils einer Seite der Membran angeordnet zu werden, dadurch gekennzeichnet, dass
    die Zuführung (1) biegsam ist,
    die oberen und die unteren ringförmigen Flansche (4; 5) sich vor dem Einpassen in einem ersten stabilen Zustand kegelstumpfförmig jeweils in einer Richtung weg von der ersten zentralen ringförmigen Verbindungswand (3) erstrecken,
    die oberen und die unteren ringförmigen Flansche (4; 5) sich nach dem Einpassen in einem zweiten stabilen Zustand kegelstumpfförmig in der gleichen Richtung weg von der ersten zentralen ringförmigen Verbindungswand (3) erstrecken, während die Membran dadurch festgehalten wird, indem sie zwischen den zwei Flanschen (4; 5) gepresst wird.
  2. Belüftungszuführung (1) nach Anspruch 1, dadurch gekennzeichnet, dass der untere Flansch (4) einen Vorsprung (14) auf seiner dem zentralen Loch (32 zugewandten Innenseite aufweist und dass der Vorsprung (14) mit einer geraden Kante und so gestaltet ist, dass die gerade Kante nach dem Einpassen der Zuführung (1) hauptsächlich senkrecht zu der Ebene der Membran (6) ist.
  3. Belüftungszuführung (1) nach einem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Zuführung (1) um die Ebene der Membran (6) symmetrisch ist.
  4. Belüftungszuführung (1) nach einem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Zuführung (1) eine Form wie ein Rotationskörper hat.
  5. Belüftungszuführung (1) nach einem vorhergehenden Anspruch, dadurch gekennzeichnet, dass sie (1) aus einem Material besteht, das mindestens ein Polymer umfasst.
  6. Einsatz (8) zum Einpassen in eine Belüftungszuführung (1) nach einem der Ansprüche 1 bis 5, bei dem
    der Einsatz ein Netz (13) aufweist,
    der Einsatz ein zentrales Einsatzloch (9) aufweist, das durch eine zweite ringförmige Verbindungswand (10) ausgebildet wird,
    dadurch gekennzeichnet, dass
    der Einsatz (8) biegsam ist,
    der Einsatz (8) einen oberen und einen unteren ringförmigen Einsatzflansch (11; 12) aufweist, wobei sich der untere Einsatzflansch (12) nach unten erstreckt und wobei sich der obere Einsatzflansch (11) vor dem Einpassen in einem ersten stabilen Zustand kegelstumpfförmig nach oben erstreckt,
    der obere Einsatzflansch (11) sich nach dem Einpassen in einem zweiten stabilen Zustand kegelstumpfförmig nach unten erstreckt, wodurch der untere und der obere Einsatzflansch (11; 12) nach dem Einpassen um die zwei ringförmigen Flansche (4; 5) der Zuführung (1) gepresst werden.
  7. Einsatz (8) nach Anspruch 6, dadurch gekennzeichnet, dass er (8) aus einem Material besteht, das mindestens ein Polymer umfasst.
EP00122431A 2000-02-01 2000-10-13 Flexibler Dachentlüfter und sein Einsatzteil Expired - Lifetime EP1122375B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK200000165A DK173535B1 (da) 2000-02-01 2000-02-01 Ventilationsgennemføring
DK200000165 2000-02-01

Publications (3)

Publication Number Publication Date
EP1122375A2 EP1122375A2 (de) 2001-08-08
EP1122375A3 EP1122375A3 (de) 2001-10-04
EP1122375B1 true EP1122375B1 (de) 2003-04-02

Family

ID=8159062

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00122431A Expired - Lifetime EP1122375B1 (de) 2000-02-01 2000-10-13 Flexibler Dachentlüfter und sein Einsatzteil

Country Status (5)

Country Link
EP (1) EP1122375B1 (de)
AT (1) ATE236318T1 (de)
DE (1) DE60001909T2 (de)
DK (1) DK173535B1 (de)
NO (1) NO20010536L (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011036170A1 (de) 2009-09-26 2011-03-31 Monier Roofing Components Gmbh Dachdurchgangspfanne

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK147365C (da) * 1981-02-27 1984-12-24 Henning Zinkar Nielsen Udluftningsventil til tage
DE3118468A1 (de) * 1981-05-09 1982-11-25 Fa.Hans Klöber, 5828 Ennepetal Anordnung an mit einer folienartigen unterspannbahn ausgestatteten pfannenbestueckten daechern
DK29992A (da) 1992-03-05 1993-09-06 Polysheet As Udluftningsventil til tage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011036170A1 (de) 2009-09-26 2011-03-31 Monier Roofing Components Gmbh Dachdurchgangspfanne
DE102009043172A1 (de) 2009-09-26 2011-06-16 Monier Roofing Components Gmbh Dachdurchgangspfanne

Also Published As

Publication number Publication date
EP1122375A2 (de) 2001-08-08
NO20010536L (no) 2001-08-02
DE60001909D1 (de) 2003-05-08
NO20010536D0 (no) 2001-01-31
DE60001909T2 (de) 2004-02-12
DK173535B1 (da) 2001-02-05
EP1122375A3 (de) 2001-10-04
ATE236318T1 (de) 2003-04-15
DK200000165A (da) 2001-02-05

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