EP1724410A2 - Einstellbare Befestigungsvorrichtung fur einen Dachablauf - Google Patents

Einstellbare Befestigungsvorrichtung fur einen Dachablauf Download PDF

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Publication number
EP1724410A2
EP1724410A2 EP06445025A EP06445025A EP1724410A2 EP 1724410 A2 EP1724410 A2 EP 1724410A2 EP 06445025 A EP06445025 A EP 06445025A EP 06445025 A EP06445025 A EP 06445025A EP 1724410 A2 EP1724410 A2 EP 1724410A2
Authority
EP
European Patent Office
Prior art keywords
ring
roof
fixing device
drain
enclosing
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.)
Withdrawn
Application number
EP06445025A
Other languages
English (en)
French (fr)
Other versions
EP1724410A3 (de
Inventor
Per Sommerhein
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.)
Per Sommerhein AB
Original Assignee
Per Sommerhein AB
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 Per Sommerhein AB filed Critical Per Sommerhein AB
Publication of EP1724410A2 publication Critical patent/EP1724410A2/de
Publication of EP1724410A3 publication Critical patent/EP1724410A3/de
Withdrawn legal-status Critical Current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
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • 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
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0409—Drainage outlets, e.g. gullies

Definitions

  • the present invention concerns devices in conjunction with a roof drain for the drainage of roofs, and more specifically a device according to the preamble of claim 1.
  • high capacity drainage systems are used. These systems are often designed with drains that are distributed on the roof surface in order to collect great volumes of rainwater.
  • the drains are in turn connected to conduit systems that run under the roof and convey the water to for example a main sewer system.
  • the roof construction often consists of three main parts. Externally, there is a watertight membrane, for instance a foil, possibly in multiple layers, acting as a water sealing layer. Under the membrane there is a layer of insulation supported by the (inner) roof that carries the live and dead loads of the roof.
  • a watertight membrane for instance a foil, possibly in multiple layers, acting as a water sealing layer.
  • a layer of insulation supported by the (inner) roof that carries the live and dead loads of the roof.
  • a roof drain for such a roof is connected to the sealing membrane as well as fixed to the supporting roof.
  • the connection between the roof drain and the membrane layer must be watertight; the fixation of the roof drain to the supporting roof must secure the roof drain mechanically to the supporting roof construction.
  • the fixation to the supporting roof can be arranged as a connection between said roof and the neck of the roof drain or a pipe firmly connected to this neck. It is important that this fixation can carry any load the roof drain may be subjected to, in order to reduce the movement between the membrane layer and the drain to a minimum. Such movements may cause cracks in the membrane layer with water leakage as a consequence. The water from such leaks may damage the roof and calls for immediate repairs, which increase the overall costs of maintenance.
  • Another improvised solution has been to use wedges that are struck down in between the pipe and the surrounding supporting roof, to wedge up the drain.
  • a drawback with this solution is that it is difficult to achieve a proper fit for the wedges and taking into account the angle between the pipe and the supporting roof. Further, this solution is somewhat arbitrary and it is difficult to achieve repeatable high quality results.
  • none of the above fixing solutions provide for a sealing between the pipe of the drain and the supporting roof, through which the pipe traverses. This may entail air with high water vapour content to condense against the external membrane or in the insulation layer.
  • a main object is consequently to devise a device for fixing and adjusting a roof drain to a supporting roof that is simple and yet provides for a reliable and effective connection adaptable to different roofs with different inclination angles.
  • a fixation is achieved with a device that has a first portion to be mounted to the drain or to a pipe rigidly connected to the drain and a second portion to be mounted to the supporting roof.
  • the first portion of the device, to be mounted to the drain includes a ring-like member that fits around the pipe connected to the drain and at least one member that encloses, at least partially, the ring-like member.
  • This at least one member can be made to clamp or squeeze the ring-like member.
  • This is accomplished by at least one tightening member that can tighten the enclosing member around the ring-like member, which in turn tightens around the pipe and clamps it.
  • the enclosing member is in the form of two rings that enclose the ring-like member and the pipe and are arranged at a distance from each other, one above the other, trapping the ring-like member between them.
  • the tightening member which for instance can be one or more bolts running through holes of the two rings, can be made to bring the two rings towards each other and gradually squeeze the ring-like member in between. Due to design of the inner surface of the enclosing member and the outer surface of the ring-like member, the squeezing of the two rings will transform into a deformation of the ring-like member. This deformation results in a crimping of the ring-like member, which then clamps the pipe.
  • the enclosing member has the form of a circle or a ring, but has a slit straight through it. Thus, it looks like a not quite closed circle.
  • This slit has two opposing faces, that, when brought together, decreases the circumscribed inner circumference of the enclosing member.
  • the ring-like member is thereby compressed by the surrounding enclosing member. This compression clamps the pipe.
  • the form of the ring-like member would preferably be adapted to the kind of enclosing member used.
  • Suitable outer contours include a truncated cone and a spherical surface.
  • the ring-like member has a spherical outer surface and the enclosing member has a corresponding inner surface, a kind of ball and socket joint arises.
  • the enclosing member variably can be displaced in relation to the ring-like member, which enables an adjustment to different slopes of the roof, without further means.
  • the inner ring-like member is designed to be partly deformed under pressure from the enclosing member, in order to tightly clamp the pipe of the drain.
  • the deformation should preferably be resilient.
  • the ring-like member could be fitted with a slit, it could be fitted with a cavity or could be made of a material that in itself is sufficiently resilient or a combination of any of these features.
  • Fig. 1 illustrates schematically a roof construction in which an adjustable fixing device 1 of the invention is used.
  • the roof includes a membrane layer 4 and a supporting roof 3 with isolation 5 stuck in between.
  • a drain 2 in this figure is connected to the membrane layer 4 and a connecting pipe 9 extends through the supporting roof 3.
  • the drain 2 is fixed to the supporting roof 3 by means of the adjustable fixing device 1.
  • the adjustable fixing device rigidly connects the drainpipe of the drain to the supporting roof by having a first portion connected to the pipe and a second portion connected to the roof.
  • the first portion to be connected to the pipe, includes a ring-like member, an enclosing member that at least partially encloses the ring-like member and at least one tightening member.
  • the tightening member is adapted to tighten up the enclosing member, which in turn has at least one surface adapted to mutually cooperate with at least a part of the ring-like member, whereby the surface of the enclosing presses on the ring-like member, so as to deform the ring-like member, which then clamps the pipe.
  • the enclosing member is in the form of two rings 10, 11 that surround the ring-like member 8. Further, it includes a tightening member 12, here in the form of bolts 12.
  • the outer surface 14 of the ring-like member 8 mutually cooperates with the inner surface 13 of the enclosing members, the two rings 10, 11. In this case, the two surfaces are mutually spherical.
  • both rings 10, 11 are fitted with through bores and the bores of one of the rings are fitted with threads, whereby tightening can be effected by bolts. When the bolts 12 are tightened, the two rings 10, 11 are brought towards each other.
  • ⁇ denotes the angle that is formed between the perpendicular of the roof and the general direction of the pipe 9. This angle will vary with different slopes of different roofs.
  • Fig. 3 illustrates a second embodiment of the invention.
  • the enclosing member, enclosing the ring-like member 8 comprises a one-piece ring 20 or circle with a slit 19 in it.
  • the slit creates two opposing faces 17, 18, which, according to the invention, are brought towards each other.
  • the tightening member 12 is a bolt 12, for instance, that traverses the enclosing member 20, across the slit 19. When the bolt is tightened, it will force the faces 17, 18 of the slit together. In this way, the enclosing member 20 will squeeze and deform the ring-like member 8, which then clamps the pipe 9.
  • ⁇ denotes the angle that is formed between the perpendicular of the roof and the general direction of the pipe 9.
  • the design of the ring-like member 8 could take many forms. The basic idea is that it is adapted to the enclosing member, with one or more surfaces that cooperate with one or more surfaces of the enclosing member. When the surfaces of the enclosing member moves, they act on the cooperating surfaces of the ring-like member compressing the ring-like member.
  • One possible design to achieve this compression is shown in fig. 4.
  • the ring-like member has the outer form of a slotted truncated cone.
  • the enclosing member is in the form of two rings, one pressing ring 30 and one base ring 31.
  • the base ring 31 has an oblique surface in which the ring-like member 8 fits.
  • the pressing ring 30 is situated opposite the base ring 31 and rests on the ring-like member 8. In order to compress the ring-like member 8, the pressing ring 30 presses on the ring-like member 8, forcing it down between the oblique surface of the base ring 31 and the pipe 9. Due to the cooperating action of said oblique surface and the surface of the ring-like member, the ring-like member 8 is clamped to the pipe 9.
  • ⁇ denotes the angle that is formed between the perpendicular of the roof and the general direction of the pipe 9.
  • ring-like member 8 is spherical.
  • Fig. 2. The outer surface 14 of the ring-like member 8 is thus spherical and the corresponding surface 13 of the enclosing member 10, 11 is also spherical.
  • the principle of clamping the ring remains the same; the enclosing member is made pressing on the ring-like member, which then clamps the pipe. Because of the spherical surface of the ring-like member, a special feature of this joint occurs; it is possible clamp the ring in different positions, which transforms into different slopes of the pipe. It is thus possible to compensate for an arbitrary slope of the roof.
  • the enclosing member it is not necessary for the enclosing member to be two rings, like in fig. 2, it will work just as well with one ring, as in fig.3.
  • the adjustable fixing device 1 includes a portion 7 that can be fixed to the supporting roof. It could for instance be a mounting plate that is secured to said roof by any suitable means, such as nails, screws, etc.
  • the mounting plate could be integral with the enclosing member 10, or it could be fixed to said member 10 by suitable means, such as the tightening bolts 12.
  • the varying angle between the roof and the pipe has to be considered in the adjustable fixing device.
  • one possible solution for achieving this is to use a spherical design of the ring-like member/enclosing member.
  • This adaptation could be an inclined fitting of the ring-like member in the enclosing member or it could be an inclined surface of the enclosing member resting on the mounting plate.
  • the enclosing member is given a shape resembling a wedge. This can be seen in fig. 4, where the base ring 31 is slightly wedge-like and thus adopts for the angle ⁇ .
  • the second portion 7 of the adjustable fixing device e.g. a mounting plate
  • a height compensation means as a function of roof slope.
  • Said height compensation means would keep the neck of the drain, or a pipe connected to said neck, vertical in use while adapting the second portion 7 to the slope of the roof.
  • the compensation means could for instance be a bending of the mounting plate in suitable positions. (Fig. 5) It could also be a distance piece, screws with different lengths or any arrangement that adjusts for the slooped roof.
  • the deformation of the ring-like member can be made possible in different ways. For instance with a slit 15, a cavity 16 (fig. 6) or being made of a resilient material. If the ring-like member is made with a cavity 16, it will promote resilient action because of the space that arise between the ring-like member and the pipe, allowing a flexing of the ring-like member. Also, in this way the area of the ring-like member that bears on the pipe will decrease, increasing the local pressure on the pipe. This enhances clamping.
  • the enclosing member of the above embodiments may of course have any other shape than circular, e.g. rectangular, as long as the inner surface fits around the pipe.
  • said inner surface could thus be circular to fit a circular pipe.
  • the device according to the invention proves to provide a fairly airtight seal between the space above the supporting roof and the space below.
  • the airtight construction reduces problems with water condensation in the space above the supporting roof. If an absolute airtight construction is needed, the device of the invention could possibly be supplemented with suitable seals.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Tents Or Canopies (AREA)
EP06445025A 2005-05-16 2006-05-16 Einstellbare Befestigungsvorrichtung fur einen Dachablauf Withdrawn EP1724410A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0501097A SE528529C2 (sv) 2005-05-16 2005-05-16 Justerbar fixeringsanordning för takutlopp

Publications (2)

Publication Number Publication Date
EP1724410A2 true EP1724410A2 (de) 2006-11-22
EP1724410A3 EP1724410A3 (de) 2008-12-24

Family

ID=36698646

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06445025A Withdrawn EP1724410A3 (de) 2005-05-16 2006-05-16 Einstellbare Befestigungsvorrichtung fur einen Dachablauf

Country Status (3)

Country Link
US (1) US20060260212A1 (de)
EP (1) EP1724410A3 (de)
SE (1) SE528529C2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6304800B2 (ja) * 2013-11-27 2018-04-04 ロンシール工業株式会社 ドレイン床構造
DE102018110087A1 (de) * 2018-04-26 2019-10-31 ACO Severin Ahlmann GmbH & Co Kommanditgesellschaft Anschlussvorrichtung, Ablaufsystem und Verfahren

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US936991A (en) * 1909-01-16 1909-10-12 Acme Mfg Company Adjustable roof-flange.
US1503421A (en) * 1921-09-30 1924-07-29 William F Innes Roof connection
US3018078A (en) * 1960-01-21 1962-01-23 Holdren Brothers Inc Device for mounting a conduit to a tank
US3095219A (en) * 1958-06-23 1963-06-25 Johns Manville Drain or vent pipe construction having means to allow lateral and longitudinal expansion
DE1271643B (de) * 1964-02-19 1968-06-27 Passavant Werke Ablauf fuer Flachdaecher od. dgl.
US4984308A (en) * 1989-07-17 1991-01-15 Handal Victor H Toilet sealing ring

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306738A (en) * 1979-09-28 1981-12-22 Lindquist William W Flanged fittings for floors or roofs
US4759163A (en) * 1986-07-14 1988-07-26 Robertson Harvey C Roof drain assembly
CA1283138C (en) * 1987-02-20 1991-04-16 Katharine Anne Uglow Roof drain coupling
US4953819A (en) * 1989-11-15 1990-09-04 Davis Dale C Adjustable support clamp apparatus and method
US5966884A (en) * 1998-01-09 1999-10-19 Olympic Manufacturing Group, Inc. Vented roof drain insert
US6269495B1 (en) * 2000-06-06 2001-08-07 C&D Innovations, L.C. Adjustable floor drain apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US936991A (en) * 1909-01-16 1909-10-12 Acme Mfg Company Adjustable roof-flange.
US1503421A (en) * 1921-09-30 1924-07-29 William F Innes Roof connection
US3095219A (en) * 1958-06-23 1963-06-25 Johns Manville Drain or vent pipe construction having means to allow lateral and longitudinal expansion
US3018078A (en) * 1960-01-21 1962-01-23 Holdren Brothers Inc Device for mounting a conduit to a tank
DE1271643B (de) * 1964-02-19 1968-06-27 Passavant Werke Ablauf fuer Flachdaecher od. dgl.
US4984308A (en) * 1989-07-17 1991-01-15 Handal Victor H Toilet sealing ring

Also Published As

Publication number Publication date
US20060260212A1 (en) 2006-11-23
SE528529C2 (sv) 2006-12-05
EP1724410A3 (de) 2008-12-24
SE0501097L (sv) 2006-11-17

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