EP1996868A1 - Layered panel for use as fire surround - Google Patents
Layered panel for use as fire surroundInfo
- Publication number
- EP1996868A1 EP1996868A1 EP06808526A EP06808526A EP1996868A1 EP 1996868 A1 EP1996868 A1 EP 1996868A1 EP 06808526 A EP06808526 A EP 06808526A EP 06808526 A EP06808526 A EP 06808526A EP 1996868 A1 EP1996868 A1 EP 1996868A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- surround
- fire
- density material
- cells
- high density
- 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- Withdrawn
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/146—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers whereby one or more of the layers is a honeycomb structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/041—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
- F24B1/00—Stoves or ranges
- F24B1/18—Stoves with open fires, e.g. fireplaces
- F24B1/191—Component parts; Accessories
- F24B1/198—Surrounds-fronts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/06—Ornamental features, e.g. grate fronts or surrounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/718—Weight, e.g. weight per square meter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2311/00—Metals, their alloys or their compounds
- B32B2311/24—Aluminium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2318/00—Mineral based
- B32B2318/04—Stone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2607/00—Walls, panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
Definitions
- the present invention relates to a component for a fire, for example a surround and particularly, although not exclusively, to a surround for a fire, as well as a back panel, hearth and the like.
- Gas fires are well known for use in the home.
- One particular type of gas fire which is of increasing popularity is the flueless, flame effect gas fire.
- heavy surrounds are cumbersome. Manufacture, transport and installation such heavy surrounds may be problematic. For example, manoeuvring such items at all stages of the supply chain can be difficult and installation may require large labour costs, especially when installing at an elevated location.
- a first aspect of the invention provides a fire surround, the surround comprising a body fabricated from a light weight material to which is secured a fascia material.
- the fascia material is a natural material which may be selected from ceramics, stone, minerals or metal.
- the stone is preferably selected from limestone, marble, granite, slate and so on.
- the fascia may be 2 - 35 mm thick, say 2 to 20 mm and preferably 4 to 10mm, e.g. 5mm thick.
- the light weight material is porous.
- the term 'light weight' refers to a material having a density less than that of the fascia material.
- the fascia material say, stone, (e.g. granite having a density of 2600 kg rrf 3 )
- the light weight material will have a lower density, preferably over 50% less than that of the fascia, (e.g. a density of less than 1300kg nf 3 ), and most preferably significantly less than 50% of the density of the fascia material.
- the porous material may comprise an aluminium honeycomb material, preferably provided with an array of regular or irregular cells of which at least some may be interconnected to provide fluid communication therebetween.
- a core comprising cells has a facing bonded to a surface thereof.
- the core may be a flat structure with a facing bonded or otherwise secured to one or both major surfaces to form a panel.
- the fascia material is bonded to the light weight, e.g. porous material, for example, bonded to a facing of a core of a porous material.
- the component especially when used as a surround for a fire, will have a total weight of less than 40 kg, preferable less than 30 kg and preferably less than 25 kg when provided as an article in the form of a picture frame having external dimensions 1002 x 642 mm with a depth of 76 mm and an aperture of 538 x 286 mm.
- the low weight will ensure that the article can be elevated, preferably with ease, by two people.
- the light weight material e.g. the aluminium honeycomb panel, will be from 8 to 30 mm thick, preferably 10 to 20 mm thick and most preferably 11 to 18, say 15 mm thick.
- Figure 1 is a perspective view of a surround according to the invention.
- Figure 2 is a perspective view of the rear of a surround according to the invention.
- Figure 3A is an elevation of the surround of Figure 2;
- Figure 3B is a view along line A-A of Figure 3A;
- Figure 4 is an exploded view of a section through a surround according to the invention.
- Figure 5 is a perspective view indicating temperatures during operation.
- FIG. 1 there is shown a flueless gas effect fire FF which is provided with a surround 1 made in accordance with the invention.
- the fire FF is mounted on a wall W in an elevated position.
- the wall W may be, for example, a solid cavity, dry lined or timber frame construction wall.
- the surround 1 provides a frame 2, having a front 21 and sides 22, which defines an aperture 3 to accept, a fire FF.
- the surround 1 includes a body 4 of an aluminium honeycomb material 4 to which is bonded, on all exposed surfaces which are visible when installed, a stone fascia 5. Support blocks 6 are provided to improve the rigidity of the frame 2.
- Figure 4 shows an exploded and exaggerated view of a section through a surround 1 wherein the fascia 5 and honeycomb structure 4 are shown.
- the honeycomb structure 4 comprises a panel 40 formed of a pair of aluminium facings 41 bonded to core 42 comprising a plurality of cells 43. It will be appreciated that in the specific example shown the principal axis of the cells 43 is orthogonal to the principal axis of each facing 41.
- the panel 40 will typically be 15 mm thick although other thicknesses may be used.
- the cells 43 will typically have a hexagonal cross section.
- the physical data of a panel 40 fabricated from 3003 commercial grade aluminium is as follows:
- a two-part epoxy resin is used to bond the facings 41 to the core 42.
- the adhesive is pre-mixed and sprayed onto a surface of the facing 41 using a computer controlled spray booth.
- the facing 41 is brought into intimate contact with the core 42 and the adhesive wicks onto the walls of the cells 43.
- the panel 40 is then passed to a roller table to press to effect compression of the panel 40.
- the rollers or press may be heated to aid in the cure of the adhesive.
- the panel 40 may be formed with rebates or recesses for the reception of wiring, tubing or ancillary fixings to provide, for example, concealed connection points, if required.
- the wiring, tubing or ancillary fixings may be incorporated during manufacture of the panel 40 or may be located in the panel 40 subsequent to manufacture.
- the panel 40 may then be cut to size to provide a substrate from which the frame 2 can be constructed.
- the sides will typically be adhered to the front using a similar two part epoxy adhesive.
- the support blocks 6 are joined to the frame to help rigidify the structure.
- the fascia material 5 is then bonded to the facing 41 to cover all surfaces which are exposed in use.
- the adhesive is selected so that it will not degrade at the temperatures experienced during use and will not fail when exposed to thermal cycling regimes during use.
- a panel 40 formed as above, is bonded to either side of a sheet of fascia material, for example 10-12 mm thick stone.
- the stone can then be cut (e.g. sawed) in a direction orthogonal to the principal axis to provide two panels each comprising a honeycomb panel 40 and a stone fascia 5, e.g. the stone having a thickness of 5 to 6 mm.
- the fascia material will then be applied to the sides and around the central aperture 3. Whilst this does introduce a further cutting stage it also reduces the likelihood of damage occurring to the relatively thin stone material before it is adhered to the panel 40.
- stone may then be finished, e.g. polished, honed, decorated or painted, as appropriate.
- a typical surround, as shown in Figures 3A and 3B may be, say 1002 x 642 mm with a depth of 76 mm and an aperture 3 of 538 x 286 mm. Other sizes may be used.
- a surround 1 having a 15 mm thick body 4 of 3003 aluminium honeycomb panels 40 and a form as shown in Figure 3A and 3B, it has been found that when a 5mm thick fascia of granite is used, a surround 1 has a total weight of 19.4kg nrf 2 , compared to 60kg m "2 for an equivalent surround fabricated from granite.
- this represents a significant weight saving which will reduce shipping and installation costs, it may reduce material costs and the amount of natural materials which are used. It will also reduce the likelihood of damage to the surround 1 during transit.
- the surround 1 can be installed using fewer or lower duty fixings, fewer man hours and the risk of a catastrophic failure is correspondingly reduced.
- honeycomb materials which may be used include fibreglass, Kevlar, reinforced or unreinforced plastics and so on.
- the porous material need not be aluminium and/or a honeycomb structure.
- porous ceramics can be used. It is known that porous ceramics can have very low theoretical densities whilst maintaining structural strength.
- a porous ceramic material may be provided as a monolithic block or as several components joined together.
- low mass weight saving materials may be used, for example, pumice.
- the volume of free-space (e.g. air) in the body is significant (e.g. a major contributor) so that the overall mass is low.
- Means other than adhesives may be used to secure the body to the fascia, for example mechanical fixings, friction fits or snap fit arrangements.
- the surface temperature of the surround 1 is significantly less than the surface temperature of the glass of the fire FF. This shows that, even though there is much less mass of stone to absorb convected and/or conducted heat than would be the case with a solid surround, the temperature at the surface does not exceed 57°C and, in most locations the surround 1 may be touched without risk of burning.
- the means used to secure the two components together e.g. the adhesive
- the means used to secure the two components together must be capable of withstanding the stresses exerted thereon during use of the component which will, in use with a fire, be subjected to thermal cycling regimes (e.g. when the fire is in use and switched off).
- a two-part epoxy resin has been found to be suitable in this regard.
- the support blocks 6 may be replaced by aluminium brackets which may be screwed or riveted in place.
- An article made in accordance with the invention could be fabricated to provide a hearth or back panel for a fire. It could also be used to provide low weight picture frames or panels, e.g. fascia panels with a stone effect finish which would have the look and feel of solid stone but not the weight.
- the component could be used with electric fires, solid fuel fires, stoves, ovens and so on as well as Class 1 and Class 2 gas fires, all of which are to be considered 'fires' for the purposes of this invention.
- 'panel' is intended to mean an article which is self- supporting, that is an article which may bend but which can support its own weight when supported on an edge.
Abstract
A surround (1) for a fire (FF) comprises a body (2) fabricated at least in part from a relatively low density material (4) to which is secured a relatively high density fascia material (5).
Description
LAYERED PANEL FOR USE AS FIRE SURROUND
The present invention relates to a component for a fire, for example a surround and particularly, although not exclusively, to a surround for a fire, as well as a back panel, hearth and the like.
Gas fires are well known for use in the home. One particular type of gas fire which is of increasing popularity is the flueless, flame effect gas fire.
These fires are attractive because they do not have a flue and so can be relatively shallow. Examples of such fires are sold under the trademarks Burley Elan 4111 , Plasma Platinum and others.
Because of their size, and the fact that a chimney is not required, it is possible to install these fires in an elevated condition, for example mounted to a wall.
Modern internal walls used in many houses are fabricated from plasterboard which is skimmed with plaster. Clearly the weight-bearing characteristics of such walls is less than that of a cavity or solid wall.
It is usual to provide a surround around a gas fire for the purposes of aesthetics. In many cases it is desirous to have a stone surround. Conventional stone surrounds are heavy due to the density of stone.
It will be appreciated that there is a limit to the weight which can be borne by a dry lined or timber framed construction wall. Alternatively, a large number of fixings and/or reinforcements can be used to spread the load. The price of failure of a fixing when a fire is installed, for example, in an elevated position, may be catastrophic both in terms of damage to property and personal injury.
Moreover, heavy surrounds are cumbersome. Manufacture, transport and installation such heavy surrounds may be problematic. For example, manoeuvring such items at all stages of the supply chain can be difficult and installation may require large labour costs, especially when installing at an elevated location.
It is an object of the present invention to provide a solution to, or at least partially mitigate, one or more of the above-identified problems. Additionally or alternatively, it is an object of the invention to provide a new surround which is attractive and/or which satisfies contemporary design issues and/or which has a flexibility of use.
Accordingly, a first aspect of the invention provides a fire surround, the surround comprising a body fabricated from a light weight material to which is secured a fascia material.
Preferably the fascia material is a natural material which may be selected from ceramics, stone, minerals or metal. The stone is preferably selected from limestone, marble, granite, slate and so on.
Typically, the fascia may be 2 - 35 mm thick, say 2 to 20 mm and preferably 4 to 10mm, e.g. 5mm thick.
Preferably the light weight material is porous. In this specification the term 'light weight' refers to a material having a density less than that of the fascia material. For example, if the fascia material say, stone, (e.g. granite having a density of 2600 kg rrf3), the light weight material will have a lower density, preferably over 50% less than that of the fascia, (e.g. a density of less than 1300kg nf3), and most preferably significantly less than 50% of the density of the fascia material.
The porous material may comprise an aluminium honeycomb material, preferably provided with an array of regular or irregular cells of which at least some may be interconnected to provide fluid communication therebetween.
Preferably a core comprising cells has a facing bonded to a surface thereof. The core may be a flat structure with a facing bonded or otherwise secured to one or both major surfaces to form a panel.
Preferably the fascia material is bonded to the light weight, e.g. porous material, for example, bonded to a facing of a core of a porous material.
In all cases, it is preferred that the component, especially when used as a surround for a fire, will have a total weight of less than 40 kg, preferable less than 30 kg and preferably less than 25 kg when provided as an article in the form of a picture frame having external dimensions 1002 x 642 mm with a depth of 76 mm and an aperture of 538 x 286 mm. The low weight will ensure that the article can be elevated, preferably with ease, by two people.
Preferably, the light weight material, e.g. the aluminium honeycomb panel, will be from 8 to 30 mm thick, preferably 10 to 20 mm thick and most preferably 11 to 18, say 15 mm thick.
In order that the invention may be more fully understood, it will now be described by way of example only and with reference to the accompanying drawings, in which:
Figure 1 is a perspective view of a surround according to the invention;
Figure 2 is a perspective view of the rear of a surround according to the invention.
Figure 3A is an elevation of the surround of Figure 2;
Figure 3B is a view along line A-A of Figure 3A;
Figure 4 is an exploded view of a section through a surround according to the invention; and Figure 5 is a perspective view indicating temperatures during operation.
Turning to Figure 1 there is shown a flueless gas effect fire FF which is provided with a surround 1 made in accordance with the invention. As can be seen, the fire FF is mounted on a wall W in an elevated position. The wall W may be, for example, a solid cavity, dry lined or timber frame construction wall.
Turning to Figures 2, 3A and 3B the surround 1 provides a frame 2, having a front 21 and sides 22, which defines an aperture 3 to accept, a fire FF. The surround 1 includes a body 4 of an aluminium honeycomb material 4 to which is bonded, on all exposed surfaces which are visible when installed, a stone fascia 5. Support blocks 6 are provided to improve the rigidity of the frame 2.
Figure 4 shows an exploded and exaggerated view of a section through a surround 1 wherein the fascia 5 and honeycomb structure 4 are shown.
The honeycomb structure 4 comprises a panel 40 formed of a pair of aluminium facings 41 bonded to core 42 comprising a plurality of cells 43. It will be appreciated that in the specific example shown the principal axis of the cells 43 is orthogonal to the principal axis of each facing 41. The panel 40 will typically be 15 mm thick although other thicknesses may be used.
For ease of packing, the cells 43 will typically have a hexagonal cross section.
The physical data of a panel 40 fabricated from 3003 commercial grade aluminium is as follows:
Cell Size/ Compressive8 Density / kg rrf3 Gauge/mmb mm Strength/kg rrf2
6.4 435903 83.3 0.08
9.5 228497 57.7 0.08
12.7 116006 40.0 0.08
19.1 77337 28.8 0.08
25.4 52730 19.2 0.08 Table 1. Physical parameters of panel. a in the axial direction of the cells. bthe gauge of the aluminium used in construction of all parts.
To form a panel 40, a two-part epoxy resin is used to bond the facings 41 to the core 42. Typically the adhesive is pre-mixed and sprayed onto a surface of the facing 41 using a computer controlled spray booth. The facing 41 is brought into intimate contact with the core 42 and the adhesive wicks onto the walls of the cells 43. The panel 40 is then passed to a roller table to press to effect compression of the panel 40. The rollers or press may be heated to aid in the cure of the adhesive.
The panel 40 may be formed with rebates or recesses for the reception of wiring, tubing or ancillary fixings to provide, for example, concealed connection points, if required. The wiring, tubing or ancillary fixings may be incorporated during manufacture of the panel 40 or may be located in the panel 40 subsequent to manufacture.
The panel 40 may then be cut to size to provide a substrate from which the frame 2 can be constructed. The sides will typically be adhered to the front using a similar two part epoxy adhesive.
At this point, the support blocks 6 are joined to the frame to help rigidify the structure.
The fascia material 5 is then bonded to the facing 41 to cover all surfaces which are exposed in use. The adhesive is selected so that it will not degrade at the temperatures experienced during use and will not fail when exposed to thermal cycling regimes during use.
As an alternative, a panel 40, formed as above, is bonded to either side of a sheet of fascia material, for example 10-12 mm thick stone. The stone can then be cut (e.g. sawed) in a direction orthogonal to the principal axis to provide two panels each comprising a honeycomb panel 40 and a stone fascia 5, e.g. the stone having a thickness of 5 to 6 mm. The fascia material will then be applied to the sides and around the central aperture 3.
Whilst this does introduce a further cutting stage it also reduces the likelihood of damage occurring to the relatively thin stone material before it is adhered to the panel 40.
In either or both cases stone may then be finished, e.g. polished, honed, decorated or painted, as appropriate.
A typical surround, as shown in Figures 3A and 3B may be, say 1002 x 642 mm with a depth of 76 mm and an aperture 3 of 538 x 286 mm. Other sizes may be used.
For a surround 1 having a 15 mm thick body 4 of 3003 aluminium honeycomb panels 40 and a form as shown in Figure 3A and 3B, it has been found that when a 5mm thick fascia of granite is used, a surround 1 has a total weight of 19.4kg nrf2, compared to 60kg m"2 for an equivalent surround fabricated from granite.
Clearly, this represents a significant weight saving which will reduce shipping and installation costs, it may reduce material costs and the amount of natural materials which are used. It will also reduce the likelihood of damage to the surround 1 during transit.
Moreover because of the reduction in weight, the surround 1 can be installed using fewer or lower duty fixings, fewer man hours and the risk of a catastrophic failure is correspondingly reduced.
Other honeycomb materials which may be used include fibreglass, Kevlar, reinforced or unreinforced plastics and so on.
The porous material need not be aluminium and/or a honeycomb structure. For example, porous ceramics can be used. It is known that porous ceramics can have very low theoretical densities whilst maintaining structural strength.
A porous ceramic material may be provided as a monolithic block or as several components joined together.
Other low mass weight saving materials may be used, for example, pumice. In most cases it will be preferably that the volume of free-space (e.g. air) in the body is significant (e.g. a major contributor) so that the overall mass is low.
Means other than adhesives may be used to secure the body to the fascia, for example mechanical fixings, friction fits or snap fit arrangements.
It will be appreciated that when adhesives are used they are chosen to effect a good adhesion between the components over the entire temperature range of operation.
As will be seen in Figure 5, the surface temperature of the surround 1 is significantly less than the surface temperature of the glass of the fire FF. This shows that, even though there is much less mass of stone to absorb convected and/or conducted heat than would be the case with a solid surround, the temperature at the surface does not exceed 57°C and, in most locations the surround 1 may be touched without risk of burning.
It will also be appreciated that should the fascia and body have widely different coefficients of thermal expansion the means used to secure the two components together (e.g. the adhesive) must be capable of withstanding the stresses exerted
thereon during use of the component which will, in use with a fire, be subjected to thermal cycling regimes (e.g. when the fire is in use and switched off). A two-part epoxy resin has been found to be suitable in this regard.
In some cases mechanical fixings as well as, or in place of, adhesives may be used.
The support blocks 6 may be replaced by aluminium brackets which may be screwed or riveted in place.
An article made in accordance with the invention could be fabricated to provide a hearth or back panel for a fire. It could also be used to provide low weight picture frames or panels, e.g. fascia panels with a stone effect finish which would have the look and feel of solid stone but not the weight.
The component could be used with electric fires, solid fuel fires, stoves, ovens and so on as well as Class 1 and Class 2 gas fires, all of which are to be considered 'fires' for the purposes of this invention.
In this specification the term 'panel' is intended to mean an article which is self- supporting, that is an article which may bend but which can support its own weight when supported on an edge.
Claims
1. A surround for a fire comprising a body fabricated at least in part from a relatively low density material to which is secured a relatively high density fascia material.
2. A surround according to Claim 1, wherein the fascia material is a natural material.
3. A surround according to Claim 2, wherein the natural material is selected from ceramics, stone (e.g. limestone, marble, granite, slate), minerals or metal.
4. A surround, according to any of Claims 1 , 2 or 3, wherein the fascia is from 2 to 35mm thick, say 2 to 20mm and preferably 4 to 10mm thick.
5. A surround, according to any preceding Claim, wherein the low density material is porous defining one or more cells.
6. A surround, according to any preceding Claim, wherein the body is fabricated, at least in part, from an aluminium honeycomb material, which material defines one or more cells.
7. A surround, according to any preceding Claim, wherein the body is fabricated, at least in part from a material comprising an array of regular and/or irregular cells.
8. A surround, according to Claim 5, 6 or 7, wherein a plurality of cells are provided and the, or at least some of the, cells are interconnected to provide fluid communication therebetween.
9. A surround, according to any preceding Claim, wherein the relatively low density material comprises a core which comprises cells and to a surface of which core a facing is bonded or otherwise secured.
10. A surround, according to Claim 9, wherein the core is flat with two major surfaces with a facing bonded or otherwise secured to one or both major surfaces to form a panel.
11. A surround, according to any preceding Claim, wherein the relatively low density material may comprise one or more rebates, recesses or apertures for the reception of wiring, tubing and/or ancillary fixings.
12. A surround, according to any preceding Claim, wherein the fascia material is bonded to the body by an adhesive.
13. A surround according to Claim 12, wherein the adhesive is selected to be able to withstand temperatures in excess of 500C, in use.
14. A combination of a fire and a surround as claimed in any of Claims 1 to 13.
15. A combination according to Claims 14, wherein the fire is a flueless fire.
16. A combination according to Claims 14 or 15, wherein, the surround has wiring, tubing and so on received therein for connection of the fire to a utility.
17. A method of forming a fire surround, the method comprising securing a relatively low density material to a first major surface of a relatively high density material and subsequently cutting the high density material.
18. A method according to Claim 17, further comprising securing a further relatively low density material to a second major face of the relatively high density material and cutting the high density material in a direction parallel to the first and second major faces of the relatively high density material.
19. A method according to Claim 18, comprising subsequently finishing the cut surface of the high density material.
20. A method according to Claim 19, wherein said finishing comprises polishing, honing or painting.
21. A method according to any of Claims 15 to 20, further comprising providing side portions to provide a structure having a partially enclosed space behind a front panel.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0605701A GB2429186B (en) | 2006-03-22 | 2006-03-22 | Fire surrounds |
PCT/GB2006/004234 WO2007107686A1 (en) | 2006-03-22 | 2006-11-14 | Layered panel for use as fire surround |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1996868A1 true EP1996868A1 (en) | 2008-12-03 |
Family
ID=36383924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06808526A Withdrawn EP1996868A1 (en) | 2006-03-22 | 2006-11-14 | Layered panel for use as fire surround |
Country Status (7)
Country | Link |
---|---|
US (1) | US20090000212A1 (en) |
EP (1) | EP1996868A1 (en) |
CN (1) | CN101356406A (en) |
AU (1) | AU2006340624A1 (en) |
CA (1) | CA2643576A1 (en) |
GB (1) | GB2429186B (en) |
WO (1) | WO2007107686A1 (en) |
Cited By (1)
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WO2012143304A2 (en) | 2011-04-18 | 2012-10-26 | Parrot Sa | Liquid formulation for ophtalmic devices |
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DE102005051557A1 (en) * | 2005-10-26 | 2007-05-03 | Planolith Gmbh Messtechnik-Sondermaschinenbau | Composite body based on natural and / or artificial stone and ceramic |
US10540693B1 (en) | 2012-08-20 | 2020-01-21 | Amazon Technologies, Inc. | Advertisements responsive to coupon states |
AT514047A1 (en) * | 2013-03-12 | 2014-09-15 | Karl Stefan Riener | Visual element for the coverage of functional parts of a heater as well as heating device equipped therewith |
US10089654B1 (en) | 2015-09-24 | 2018-10-02 | Amazon Technologies, Inc. | Detecting expired content within slots in a user interface |
US10750857B1 (en) * | 2019-01-12 | 2020-08-25 | Michael T. Baker | Lightweight non-combustible decorative mantel |
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-
2006
- 2006-03-22 GB GB0605701A patent/GB2429186B/en active Active
- 2006-11-14 AU AU2006340624A patent/AU2006340624A1/en not_active Abandoned
- 2006-11-14 CN CNA2006800505283A patent/CN101356406A/en active Pending
- 2006-11-14 WO PCT/GB2006/004234 patent/WO2007107686A1/en active Application Filing
- 2006-11-14 US US11/911,012 patent/US20090000212A1/en not_active Abandoned
- 2006-11-14 EP EP06808526A patent/EP1996868A1/en not_active Withdrawn
- 2006-11-14 CA CA002643576A patent/CA2643576A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2659131A1 (en) * | 1990-03-01 | 1991-09-06 | Gallier Michel | Fireplace surround device which can be adjusted to the dimensions of the hearth |
US20040200470A1 (en) * | 2003-04-11 | 2004-10-14 | Rumens Kurt W. F. | Direct vent fireplace installation |
Non-Patent Citations (1)
Title |
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See also references of WO2007107686A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012143304A2 (en) | 2011-04-18 | 2012-10-26 | Parrot Sa | Liquid formulation for ophtalmic devices |
Also Published As
Publication number | Publication date |
---|---|
GB0605701D0 (en) | 2006-05-03 |
GB2429186A (en) | 2007-02-21 |
CN101356406A (en) | 2009-01-28 |
CA2643576A1 (en) | 2007-09-27 |
WO2007107686A1 (en) | 2007-09-27 |
AU2006340624A1 (en) | 2007-09-27 |
GB2429186B (en) | 2008-06-11 |
US20090000212A1 (en) | 2009-01-01 |
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