EP0928862A1 - Abdichtungsvorrichtung für ein dachdurchquerendes Rohr, wie Rauchgas-Abfuhrrohr - Google Patents

Abdichtungsvorrichtung für ein dachdurchquerendes Rohr, wie Rauchgas-Abfuhrrohr Download PDF

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Publication number
EP0928862A1
EP0928862A1 EP98204300A EP98204300A EP0928862A1 EP 0928862 A1 EP0928862 A1 EP 0928862A1 EP 98204300 A EP98204300 A EP 98204300A EP 98204300 A EP98204300 A EP 98204300A EP 0928862 A1 EP0928862 A1 EP 0928862A1
Authority
EP
European Patent Office
Prior art keywords
roof
sealing
pipe
sealing construction
construction according
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
EP98204300A
Other languages
English (en)
French (fr)
Other versions
EP0928862B1 (de
Inventor
Gijsbert Michiel Zijlstra
Dirk Johannes Van Schellebeek
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.)
Ubbink BV
Original Assignee
Ubbink Nederland BV
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 Ubbink Nederland BV filed Critical Ubbink Nederland BV
Publication of EP0928862A1 publication Critical patent/EP0928862A1/de
Application granted granted Critical
Publication of EP0928862B1 publication Critical patent/EP0928862B1/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

Definitions

  • the invention relates to a sealing construction for a pipe, such as a flue gas discharge pipe or a ventilation pipe, through a roof.
  • a drawback here is that the oval hole in the roof is often made larger than the diameter of the pipe in order to lead the pipe through easily and to be able to place the pipe vertically.
  • the (warmer) air from the space under the roof will then be led to the outside as a result of a chimney effect.
  • Water vapour in the air can then condensate against the (colder) outer part of the roof construction, and against a possible shielding and/or a possible foil at the outside of the roof construction, which foil is vapour permeable. If the condensation moisture subsequently enters the roof construction, rot and the like may occur. At outside temperatures below zero, ice accumulation will occur, as a result of which at rise of the temperature a large quantity of moisture runs into the roof construction.
  • a sealing construction for a pipe such as a flue gas discharge pipe, through a roof
  • the sealing construction is arranged on the inside of the roof and comprises a frame portion and a first flexible sealing ring portion around the pipe.
  • a sealing construction which can easily be arranged on the inside of the roof, which can be used for various angles of inclination of the roof, because the ring portion accommodates the skewness, and which gives an aesthetic look.
  • the sealing construction also ensures than no warm air leaves the house along the pipe, as a result of which loss of energy is prevented.
  • the frame portion comprises an attachment portion which is attached to the inside of the roof, and a transitional portion which is connected to the attachment portion, with an opening which surrounds the pipe at a distance, in which the flexible sealing ring portion is arranged in the opening of the transitional portion.
  • an attachment portion is provided meant for attachment against the roof, and a transitional portion which can offer the sealing construction an aesthetic look and which holds the ring.
  • the transitional portion substantially has the shape of a hood and more preferably is substantially spherical.
  • the ring is made circular, so that the ring has the smallest possible circumference and as little of the expensive ring material as possible is needed.
  • the sealing construction can be nested in this way, and the sealing construction is attractive aesthetically speaking.
  • the attachment portion is at an angle with the plane of the opening in the transitional portion, which is the average of angles of inclination of roofs occurring the most.
  • the sealing construction can be used for most inclining roofs, in any case for roofs with an angle of inclination between 40° and 50°.
  • the frame portion is integrally formed, as a result of which the frame portion can easily and economically be manufactured.
  • the frame portion is provided with a sealing material, for instance in the form of a foam strip or labyrinth, to better seal the frame portion against the roof.
  • a sealing material for instance in the form of a foam strip or labyrinth
  • Such a sealing can be necessary when the inside if the roof is not level.
  • some flexible ribs around the transitional portion are referred to, which are able to tilt at unevenesses of the roof and which offer more resistance for the remaining flow of air, so that less air passes by.
  • the frame portion is provided with a second flexible sealing ring to seal the frame portion against the roof.
  • a durable sealing for the frame portion against the roof has been provided.
  • the second sealing ring has been arranged around the attachment portion of the frame portion and has a circumferential lip which is oriented towards the roof.
  • the second sealing ring is easy to arrange around the attachment portion and aesthetically speaking gives an fine framing of the attachment portion.
  • the lip which is flexible, gives a good sealing against a roof which is not entirely level.
  • the frame portion is made from polypropylene, polyethene or polyvinyl chloride, as a result of which a light and firm frame portion is available.
  • first and second sealing ring are made from thermoplastic elastomer, as this material has a good deformability and sealing effect.
  • Figure 1 shows a roof construction 1 with a pipe construction 2 extending through the roof and a first exemplary embodiment of the sealing construction 3 according to the invention.
  • the roof construction 1 consists of a carrying layer 10 for the roof-covering, such as bitumen or tiles, an insulation layer 11 and roof boarding 13 to conceal the insulation.
  • the beams between the carrying layer 10 and the roof boarding 13 have not been shown.
  • the pipe construction 2 consists of a pipe 20 with a hood (not shown).
  • a foil (not shown) has been arranged on the carrying layer 10, which foil connects to the pipe 20, which foil is waterproof and vapour permeable. This foil is particularly of importance during building, so as not to let rain water penetrate, whereas moisture from the newly built house can indeed evaporate.
  • This sealing construction consists of an attachment portion 31, a transitional portion 32 and a sealing ring 33.
  • the attachment portion has been secured against the roof boarding with attachment means such as screws and for instance has a rectangular shape.
  • the attachment portion changes into a substantially spherical transitional portion 32 which has an opening at its bottom side which opening is larger than the cross-section of the pipe 20.
  • the sealing ring 33 has been accommodated, which in the unarranged situation has an opening which is a little smaller than the cross-section of the pipe 20.
  • a sealing material such as a foam strip (not shown) has been arranged on the attachment portion around the transitional portion, which seals the sealing construction against the roof slope 13, so that no flow of air can arise between the roof and the sealing construction.
  • the sealing ring 33 has been made of a flexible sealing material, preferably thermoplastic elastomer, which can become wider when the pipe 20 is extended through it and which sealingly connects to the pipe 20.
  • the sealing construction 3 is slid around the pipe 20, in which the sealing ring seals around the pipe 20 a little stretched.
  • the attachment portion 31 is placed against the inside of the roof, and secured to the roof slope 13 with for instance screws. If necessary before securing it can be checked again whether the pipe is vertical.
  • the pipe 20 is connected to for instance a cooker hood or central heating installation, or such like installation.
  • the diameter of the opening in the sealing ring is preferably chosen such that it can seal said sealing ring at two different pipe diameters, which are a little larger than the diameter of the opening in the unstretched sealing ring.
  • the attachment portion is at an angle of for instance 45° with respect to the centre line in the opening in the transitional portion.
  • the sealing construction can be used for most roofs, also with a roof pitch which differs from 45°, as the sealing ring accommodates the skewness of the pipe in relation to the sealing construction.
  • Figure 2 shows a second exemplary embodiment of the sealing construction according to the invention. With respect to figure 1, 100 has been added to corresponding reference numbers.
  • the sealing construction 103 of figure 2 consists of a attachment portion 131, a transitional portion 132 and a first sealing ring 133.
  • the attachment portion 131 can be secured to the roof boarding by means of screws and can for instance have an oval shape.
  • the attachment portion 131 changes into a substantially hood-shaped transitional portion 132, which at its bottom side has an opening which is larger than the cross-section of the pipe to which the sealing construction has to seal (in figure 1 pipe 20). In this opening a first sealing ring 133 has been accommodated which has the same function as sealing ring 33 in figure 1.
  • a second sealing ring 34 has been arranged, which can be seen on a larger scale in figure 3.
  • the sealing ring 34 closes around the attachment portion 131 and does nor need to be further secured.
  • the sealing ring 34 has a lip 35 which extends in the direction of the roof boarding (13 in figure 1) against which the sealing ring 34 has to seal.
  • the sealing ring 34 has been made of a flexible material, such as a thermoplastic elastomer.
  • the flexible lip 35 provides a good sealing against roof boarding which is not entirely level, so that no warm air can flow out of the house between the attachment portion 131 and the roof boarding and subsequently along the pipe through the roof either.
  • sealing construction 103 is analogous to the use of sealing construction 3, as described above.
  • the sealing construction according to the invention provides an aesthetic sealing for a pipe through a roof which is simple to arrange and which prevents that a chimney effect occurs around the pipe, as a result of which condensation may occur which may lead to rot and the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
EP19980204300 1998-01-09 1998-12-18 Abdichtungsvorrichtung für ein dachdurchquerendes Rohr, wie Rauchgas-Abfuhrrohr Expired - Lifetime EP0928862B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1007993 1998-01-09
NL1007993A NL1007993C2 (nl) 1998-01-09 1998-01-09 Afsluitconstructie voor een pijp, zoals een rookgasafvoerpijp, door een dak.

Publications (2)

Publication Number Publication Date
EP0928862A1 true EP0928862A1 (de) 1999-07-14
EP0928862B1 EP0928862B1 (de) 2004-11-24

Family

ID=19766320

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980204300 Expired - Lifetime EP0928862B1 (de) 1998-01-09 1998-12-18 Abdichtungsvorrichtung für ein dachdurchquerendes Rohr, wie Rauchgas-Abfuhrrohr

Country Status (3)

Country Link
EP (1) EP0928862B1 (de)
DE (1) DE69827756T2 (de)
NL (1) NL1007993C2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1120511A2 (de) * 2000-01-27 2001-08-01 Gabriele Kleinert Vorrichtung zum Abdecken einer Dachöffnung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2985465A (en) * 1957-12-20 1961-05-23 Monarch Rubber Company Roof flange construction
US3313559A (en) * 1964-03-18 1967-04-11 L R Oatey Company Roof flashing with elastomeric collar
US4265058A (en) * 1978-03-06 1981-05-05 The Logsdon Foundation Roof flashing structures
US4437687A (en) * 1980-11-24 1984-03-20 Wilson James H Waterproof assembly or sealing an aperture housing a conduit
US4526407A (en) * 1981-04-27 1985-07-02 Oatey Co. Roof flashing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2985465A (en) * 1957-12-20 1961-05-23 Monarch Rubber Company Roof flange construction
US3313559A (en) * 1964-03-18 1967-04-11 L R Oatey Company Roof flashing with elastomeric collar
US4265058A (en) * 1978-03-06 1981-05-05 The Logsdon Foundation Roof flashing structures
US4437687A (en) * 1980-11-24 1984-03-20 Wilson James H Waterproof assembly or sealing an aperture housing a conduit
US4526407A (en) * 1981-04-27 1985-07-02 Oatey Co. Roof flashing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1120511A2 (de) * 2000-01-27 2001-08-01 Gabriele Kleinert Vorrichtung zum Abdecken einer Dachöffnung
EP1120511A3 (de) * 2000-01-27 2001-10-10 Gabriele Kleinert Vorrichtung zum Abdecken einer Dachöffnung

Also Published As

Publication number Publication date
NL1007993C2 (nl) 1999-07-12
DE69827756D1 (de) 2004-12-30
EP0928862B1 (de) 2004-11-24
DE69827756T2 (de) 2005-12-15

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