WO2004065718A1 - Fire resistant gutter plug - Google Patents
Fire resistant gutter plug Download PDFInfo
- Publication number
- WO2004065718A1 WO2004065718A1 PCT/AU2004/000063 AU2004000063W WO2004065718A1 WO 2004065718 A1 WO2004065718 A1 WO 2004065718A1 AU 2004000063 W AU2004000063 W AU 2004000063W WO 2004065718 A1 WO2004065718 A1 WO 2004065718A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plug
- foam
- fire retardant
- stormwater
- closed cell
- Prior art date
Links
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 11
- 239000006260 foam Substances 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000003063 flame retardant Substances 0.000 claims abstract description 17
- 238000003780 insertion Methods 0.000 claims abstract description 14
- 230000037431 insertion Effects 0.000 claims abstract description 14
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000654 additive Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000004698 Polyethylene Substances 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 229920003023 plastic Polymers 0.000 claims abstract description 5
- 239000004033 plastic Substances 0.000 claims abstract description 5
- -1 polyethylene Polymers 0.000 claims abstract description 5
- 229920000573 polyethylene Polymers 0.000 claims abstract description 5
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 239000006261 foam material Substances 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 239000003818 cinder Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004590 silicone sealant Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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
- E04D13/076—Devices or arrangements for removing snow, ice or debris from gutters or for preventing accumulation thereof
- E04D13/0767—Strainers at connection between gutter and down pipe
-
- 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
-
- 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
- E04D13/064—Gutters
- E04D13/0645—Connections between gutter and down pipe
-
- 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
- E04D13/08—Down pipes; Special clamping means therefor
Definitions
- the present invention relates to preventing buildings from fire ingress and, in particular, to apparatus that may be used for damming the guttering of homes and other buildings.
- the ash and cinders can fall into storm water guttering that surrounds the
- any leaves or other vegetative matter contained within the guttering can be set alight
- a plug formed of fire resistant compressible plastics material and shaped for insertion into a into a stormwater system to thereby prevent drainage of fluid from said stormwater system.
- the material is sufficiently resilient to accommodate insertion into said stormwater system, and yet sufficiently malleable so that said material moulds into the shape of fixtures of said stormwater system into which said plug is inserted.
- a material is sufficiently resilient to accommodate insertion into said stormwater system, and yet sufficiently malleable so that said material moulds into the shape of fixtures of said stormwater system into which said plug is inserted.
- the block of closed cell fire retardant flexible foam material.
- the block is shaped
- Figs. 1 to 4 illustrate exemplary shapes for fire resistant gutter plugs according the present disclosure
- Fig. 5 illustrates a traditional prior art comiection between guttering and downpipe
- Fig. 6 illustrates use of a gutter plug to dam the storm water system of Fig. 5; and Fig. 7 illustrates a manufacturing process for the gutter plug.
- Fig. 6 illustrates use of a gutter plug to dam the storm water system of Fig. 5; and
- Fig. 7 illustrates a manufacturing process for the gutter plug.
- the present disclosure proposes that the bags and other cloth materials described above for obstructing the downpipes of stormwater systems in homes and other buildings, be replaced by a fire resistant plug shaped to reliably occlude the connection between guttering and downpipe.
- Figs. 1 to 4 show various shapes and configurations of a fire resistant plug that may be used in traditional domestic arrangements in Australia.
- Traditional downpipe structures in Australia have two common sizes, those being 100 mm X 75 mm, and 100 mm x 50 mm.
- Some downpipe arrangements utilise 90 mm diameter PVC pipe connections.
- the plugs of Figs. 1 to 4 are preferably manufactured from closed cell flexible foam, cut from a moulded block, to the requisite shape. Such foams are compressible and, as a consequence, the plug to be used is arranged to be "oversize" in comparison to the downpipe connection to be occluded.
- the plug material is preferably sufficiently resilient to withstand the stress of insertion in an emergency situation, and yet sufficiently malleable so that it will mould into the shape of the downpipe and other fixtures into which it is inserted.
- Fig. 1 shows a plug having a cross-section dimension of 110 mm x 110 mm, suitable for the 100 mm square downpipe referred to above.
- FIG. 2 shows an arrangement having a cross-sectional dimension of 85 mm x 110 mm which may be used for a 75 x 100 mm cross-section downpipe.
- Fig. 3 shows a 60 mm X 110 mm cross-section plug which may be used for downpipes having a 50 mm x 100 mm cross-section.
- Fig. 4 shows a cylindrical plug having a diameter of 100 mm, thereby being adapted to be used in 90 mm diameter PVC storm pipe.
- Each of the plugs shown in Figs. 1 to 4 preferably has a depth (or height) of 50 mm, which experiments by the present inventor have shown is sufficient to adequately engage and occlude the stormwater structures.
- Fig. 5 illustrates part of a traditional domestic stormwater arrangement in
- guttering 50 is arranged along the rim of the roof (not illustrated) of the building.
- a coupling 52 is provided which inserts through a hole formed in the base of the guttering 50 to provide a vertical outlet for stormwater from the guttering 50.
- a downpipe 54 is shaped to fit over the outlet 52 to channel water away from the guttering 50 to a terrestrial drainage pipe or channel.
- the outlet 52 is secured to the guttering 50 by means of pop-rivets and silicone sealants, with the guttering 54 being attached to the outlet 52 by means of pop rivets where necessary.
- PVC glues are often used to adhere and seal the stormwater fixtures. The glues are typically provided to adhere the complementary male and female coupling members of such fixtures.
- the guttering may be flooded with water, fire fighting foam, or other non-combustible liquid to achieve the desired effect.
- the closed cell flexible foam that may be used for the plug 60 may for example be manufactured from polyethylene foam, EVA foam, or a combination thereof.
- Other foams or plastics materials and structures, having a sufficient balance between resilience and malleability, as discussed above, may alternatively be used.
- an elastomeric polyurethane or neoprene, with a fire retardant can be used, but may be cost prohibitive.
- Fire resistant silicones may also be shaped to perform as the described plugs.
- the closed cell flexible foam may be manufactured using the "bun" process, well known in the art.
- the foams Preferably, have a density of 30 - 100kg per cubic metre.
- foam manufacturing materials 71 known in the art, are mixed in a low-sheer Banbury-type mixer 72.
- the mixed material 73 is then formed into a sheet 74 on a mill 75, and placed in flat moulds 76 in a heated hydraulic press 77.
- blocks formed by the moulds expand from the press 77 and are placed in a larger mould 78 ("a foaming chamber") where further expansion takes place.
- the blocks are then cooled and removed from the moulds 78. Blocks up to 110mm thickness can be readily manufactured in this manner. Once removed from the moulds, the blocks can then be cut 79 to size to form the plugs 60.
- fire retardant additives 80 are provided to the foam materials 71 during the mixing stage.
- the fire retardant additives 80 form part of the foam structure and provide that the final manufactured plugs 60 will be resistant to ignition.
- the fire retardant additives may, for example, be decabromodiphenyl oxide, or antimony trioxide. Other suitable retardants may be used depending upon the type of material from which the plugs are being manufactured.
- Figs. 1 to 4 show a variety of shapes and configurations that may be used, it is to be noted that one plug (having dimensions approximately 85 mm X 110 mm x 50 mm) can be produced to fit the two common sizes of rectangular outlet (ie. 100 mm X 75 mm, and 100 mm x 50 mm). This can be achieved using one face for one side and another face of the same plug for the other size. Alternatively, plugs can be stepped to accommodate a variety of shapes and sizes. Further, experiments by the present inventor indicate that a square plug (eg. Fig. 1, or another size) can fit into a round hole, such as that formed by PVC 90mm storm pipe, which might otherwise have associated therewith the plug of Fig. 4.
- a square plug eg. Fig. 1, or another size
- a round hole such as that formed by PVC 90mm storm pipe, which might otherwise have associated therewith the plug of Fig. 4.
- a household would have between 4 to 6 such plugs readily available for use during a fire emergency whereby the householder may insert the plugs into each downpipe outlet relatively quickly so as to thereafter fill the guttering. Because of the likelihood of deformity (ie. loss of shape "memory") and damage during removal after use, the present inventor cautions against repeated use of the plugs. Preferably, new plugs should be used for each fire emergency.
- the dimensions of the plugs mentioned above are only exemplary for normal dimensions of Australian stormwater fixtures and the like. Further, dimensions will vary depending upon the compressibility of the material being used. Less compressible materials will necessitate blocks more closely sized to the fixtures into which they are to be inserted.
- the word “comprising” means “including principally but not necessarily solely”. Variations of the word “comprising” such as “comprise” and “comprises” have correspondingly varied meanings.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
- Revetment (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2004206034A AU2004206034A1 (en) | 2003-01-21 | 2004-01-20 | Fire resistant gutter plug |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003900239A AU2003900239A0 (en) | 2003-01-21 | 2003-01-21 | Fire resistant gutter plug |
AU2003900239 | 2003-01-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004065718A1 true WO2004065718A1 (en) | 2004-08-05 |
Family
ID=30004946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU2004/000063 WO2004065718A1 (en) | 2003-01-21 | 2004-01-20 | Fire resistant gutter plug |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU2003900239A0 (en) |
WO (1) | WO2004065718A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8220206B2 (en) | 2004-04-15 | 2012-07-17 | American Gutter Filter, Inc. | Gutter filter |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5650448A (en) * | 1995-04-03 | 1997-07-22 | Kay-Metzeler Limited | Flame retardant flexible foam |
US5942561A (en) * | 1995-03-03 | 1999-08-24 | Tosoh Corporation | Fire-retardant polymer composition |
US6289935B1 (en) * | 2000-08-25 | 2001-09-18 | George Tash | Drainpipe test plug device |
-
2003
- 2003-01-21 AU AU2003900239A patent/AU2003900239A0/en not_active Abandoned
-
2004
- 2004-01-20 WO PCT/AU2004/000063 patent/WO2004065718A1/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5942561A (en) * | 1995-03-03 | 1999-08-24 | Tosoh Corporation | Fire-retardant polymer composition |
US5650448A (en) * | 1995-04-03 | 1997-07-22 | Kay-Metzeler Limited | Flame retardant flexible foam |
US6289935B1 (en) * | 2000-08-25 | 2001-09-18 | George Tash | Drainpipe test plug device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8220206B2 (en) | 2004-04-15 | 2012-07-17 | American Gutter Filter, Inc. | Gutter filter |
Also Published As
Publication number | Publication date |
---|---|
AU2003900239A0 (en) | 2003-02-06 |
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