EP2519702B1 - Panel assembly comprising a panel and a frame - Google Patents
Panel assembly comprising a panel and a frame Download PDFInfo
- Publication number
- EP2519702B1 EP2519702B1 EP10803661.7A EP10803661A EP2519702B1 EP 2519702 B1 EP2519702 B1 EP 2519702B1 EP 10803661 A EP10803661 A EP 10803661A EP 2519702 B1 EP2519702 B1 EP 2519702B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wall
- panel
- frame
- panel assembly
- edges
- 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.)
- Active
Links
- 229920002994 synthetic fiber Polymers 0.000 claims description 7
- 239000012774 insulation material Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- 230000009970 fire resistant effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F19/00—Other details of constructional parts for finishing work on buildings
- E04F19/08—Built-in cupboards; Masks of niches; Covers of holes enabling access to installations
-
- 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
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
- E04D13/035—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts
- E04D13/0351—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts the parts pivoting about a fixed axis
- E04D13/0354—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts the parts pivoting about a fixed axis the parts being flat
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/01—Trap-doors
Definitions
- the present invention relates to a panel assembly comprising a panel and a frame, which panel can be hinged between an open and a closed position with respect to the frame.
- the invention in particular relates to a panel assembly, also referred to as "roof hatch” or “roof door”, which is intended to allow a user safe access to horizontal or slightly sloping roofs, in combination with a ladder, folding steps or a fixed staircase.
- roof hatches are also supplied in special versions, for example fire resistant and/or explosion relief versions.
- An explosion relief panel, in practice also called “explosion vent” is known, for example from NL 2000112 .
- Said known panel assembly is used in particular for diverting any explosive forces to which the structure of a building in which there is a risk of gas or dust explosions is exposed directly via the panel so as to spare the building.
- a drawback of the known panel is that it is made of a thermally conductive material, so that heat transfer between the outside of the building and the inside of the building can take place via the panel assembly. This is disadvantageous, because heat is thus lost from the building when the outside temperature is lower than the temperature in the building, or, quite the opposite, because heat enters the building when the outside temperature is higher. Both situations involve a loss of energy because additional heating or cooling and/or ventilation of the building is needed.
- the panel assembly of the kind described in the introductory paragraph according to the preamble of claim 1 is characterised in that the parts of the panel assembly that face outward in use are thermally separated from the parts of the panel assembly that face inward in use, wherein an insulating strip is provided between the panel and the frame, wherein said strip is made of a synthetic material, in particular rubber, characterized in that the frame comprises an inner wall and at least partially an outer wall, wherein the outer wall faces outward in use, wherein the inner wall faces inward in use, and wherein the inner wall and the outer wall define a space for accommodating a second insulating material, wherein the inner wall and the outer wall of the frame comprise edges that extend at least substantially perpendicularly from the inner wall and the outer wall near a first end zone, wherein the two edges of the inner wall and the outer wall face one another and wherein a third insulating strip is provided between the two edges.
- an insulating strip is provided between the panel and the frame, which strip is made of a synthetic material, for example rubber.
- a synthetic material for example rubber.
- two insulating, hollow, air-containing sections are provided between the panel and the frame, which sections are in particular made of a flexible synthetic material or of rubber.
- Said third insulating strip is in particular made of a synthetic material with a coefficient of thermal conduction ( ⁇ ) as low as possible.
- European patent publication no. 1 387 020 discloses an inspection flap for reversibly closing an opening in a wall/ceiling covering comprises a frame fixed to the wall/ceiling covering, and a facing panel removably arranged in the frame.
- the facing panel is permanently connected on the inner side of the wall/ceiling covering facing the opening with a high-temperature- and/or flame-resistant panel which fills the opening.
- US patent publication no. 4,299,059 teaches a ceiling-mounted attic door features a continuous outer panel of flame-resistant plaster board, an intermediate layer of thermal insulating material and marginal sealing gaskets and insulating strips arranged to thermally seal the marginal edges of the door when it occupies a normally closed position within its associated door opening.
- Belgium patent publication no. 900.741 discloses a fire-door having a central symmetrical insulating panel covered on each face by a layer of mineral wool of high density.
- the outer layers can be of plastics foam or insulating panels. The thickness of the outer layers is selected to determine the performance of the door.
- the outer surfaces of the composite are enclosed by sheet steel, or fire resistant material panels, the peripheral edges of which are retained by screws. The edges are recessed to take a heat-expansible material.
- the panel comprises two spaced, plate-shaped walls, the first plate-shaped wall facing outward in use and the second plate-shaped wall facing inward in use, which two plate-shaped walls define a space in which an insulation material is present.
- the panel in particular comprises plastic connecting means for connecting the two plate-shaped walls.
- the two plate-shaped walls are glued together.
- the two plate-shaped walls comprise edges that extend at least substantially perpendicularly from the walls near the circumferential zones thereof, wherein the two edges of the two plate-shaped walls face one another, and wherein a second insulating strip is provided between the two edges.
- Said insulating strip is in particular made of a synthetic material with a coefficient of thermal conduction ( ⁇ ) as low as possible.
- FIG 1 there is shown a panel assembly 1 comprising a panel 2 and a frame 3, which panel assembly 1 is installed in the roof of a building 6.
- the panel 2 can be hinged between an open position and a closed position relative to the frame 3 by means of hinges 4, which open position of the panel 2 is shown in figure 1 .
- two strips 5 are provided near the circumferential zone of the panel 2, which strips 5 are preferably made of a synthetic material, more preferably rubber. Said strips 5 insulate the panel 2 from the frame 3 in the closed position, so that transfer of heat from the panel 2 to the frame 3 is not possible.
- the presence of the strips 5 prevents air from flowing from outside the building 6 into the building 6, and/or vice versa, via a clearance that may be present between the panel 2 and the frame 3.
- the panel 2 comprises two spaced plate-shaped walls 10,11.
- the first wall 10 faces the outer side of the building 6 and the second wall 11 faces the inner side of the building 6.
- An insulation material 12 is provided between the two walls 10,11, which insulation material 12 is preferably made of polyurethane.
- PIR/PUR with a coefficient of thermal conduction ( ⁇ ) as low as possible, for example 0.021 W/m.K, is used.
- the two walls 10,11 are connected by means of screws 13 which extend through the insulation material 12 and which engage in a threaded cylinder 14.
- the screws 13 and/or the cylinders 14 are preferably made of plastic material.
- several screws 13 and cylinders 14 are provided, preferably near a circumferential zone of the panel 2.
- the two walls 10,11 are provided with upright edges 15 and 16, respectively.
- the upright edges 15, 16 extend perpendicularly from the walls 10, 11, with the edges 15, 16 facing each other.
- the edges 15, 16 extend partially parallel to each other, whilst an insulating strip 17 is provided between the two edges 15, 16. Said strip thus extends near the circumferential zone of the panel 2, in such a manner that the outward facing side of the panel 2 is thermally separated from the inward facing side of the panel 2.
- the frame 3 comprises an inner wall 20, which faces the inner side of the building 6.
- the frame 3 further at least partially comprises an outer wall 21, which extends parallel to and spaced from the inner wall 20.
- An insulation material 22 is provided between the inner wall 20 and the upper wall 21.
- the outer wall 21 comprises a section 23, under which the roof covering of the roof is to terminate and which functions to drain away moisture present on the outer wall 21, in such a manner that said moisture cannot enter the building 6.
- the wall 20 and the outer wall 21 are provided with edges 24,25 extending perpendicularly thereto near end zones thereof. Said edges 24,25 are arranged at an angle of about 90°, such that the end zones of the inner wall 20 and the outer wall 21 exhibit a U-shape. Between said edges 24,25 an insulation strip 26 is provided, which insulation strip thermally separates the inner wall 21 from the upper wall 21.
- the strips 5 extend or on either side of the strips 17,26.
- heat is efficiently prevented from flowing from outside the building 6 into the building 6, and vice versa, through the space 28 between the panel 2 and the frame 3.
- any heat transfer between the outer wall 25 of the frame 3 and the wall 10 of the panel 2 as well as between the inner wall 24 of the freight 3 and the wall 11 of the panel 2 is prevented in an efficient manner.
- the invention is not limited to the embodiment discussed in the foregoing, but that it also extends to other variants that fall within the scope of the appended claims.
- the panel and/or the frame may be configured differently, in which connection it is important that a part of the panel and/or the frame that faces upwards in use be thermally separated from a part of the panel and/or the frame that faces inwards in use.
- a panel assembly in use is understood to mean a panel assembly installed in or on a building.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Description
- The present invention relates to a panel assembly comprising a panel and a frame, which panel can be hinged between an open and a closed position with respect to the frame.
- The invention in particular relates to a panel assembly, also referred to as "roof hatch" or "roof door", which is intended to allow a user safe access to horizontal or slightly sloping roofs, in combination with a ladder, folding steps or a fixed staircase. Such roof hatches are also supplied in special versions, for example fire resistant and/or explosion relief versions. An explosion relief panel, in practice also called "explosion vent" is known, for example from
NL 2000112 - A drawback of the known panel is that it is made of a thermally conductive material, so that heat transfer between the outside of the building and the inside of the building can take place via the panel assembly. This is disadvantageous, because heat is thus lost from the building when the outside temperature is lower than the temperature in the building, or, quite the opposite, because heat enters the building when the outside temperature is higher. Both situations involve a loss of energy because additional heating or cooling and/or ventilation of the building is needed.
- It is an object of the invention to improve the known panel assembly. It is in particular an object of the invention to provide a panel assembly by means of the heat transfer through the panel assembly is at least reduced.
- In order to accomplish that object, the panel assembly of the kind described in the introductory paragraph according to the preamble of claim 1 is characterised in that the parts of the panel assembly that face outward in use are thermally separated from the parts of the panel assembly that face inward in use, wherein an insulating strip is provided between the panel and the frame, wherein said strip is made of a synthetic material, in particular rubber, characterized in that the frame comprises an inner wall and at least partially an outer wall, wherein the outer wall faces outward in use, wherein the inner wall faces inward in use, and wherein the inner wall and the outer wall define a space for accommodating a second insulating material, wherein the inner wall and the outer wall of the frame comprise edges that extend at least substantially perpendicularly from the inner wall and the outer wall near a first end zone, wherein the two edges of the inner wall and the outer wall face one another and wherein a third insulating strip is provided between the two edges. By providing thermal separations or interruptions between the parts of the panel assembly that face outward in use and the parts of the panel assembly that face inward in use, at least less heat transfer is possible between the outward facing parts and the inward facing parts of the panel assembly. As a result, less energy is needed for maintaining the desired temperature in the building in which the panel assembly is installed. As indicated, an insulating strip is provided between the panel and the frame, which strip is made of a synthetic material, for example rubber. Preferably, two insulating, hollow, air-containing sections are provided between the panel and the frame, which sections are in particular made of a flexible synthetic material or of rubber. Said third insulating strip is in particular made of a synthetic material with a coefficient of thermal conduction (λ) as low as possible.
- European patent publication no.
1 387 020 discloses an inspection flap for reversibly closing an opening in a wall/ceiling covering comprises a frame fixed to the wall/ceiling covering, and a facing panel removably arranged in the frame. The facing panel is permanently connected on the inner side of the wall/ceiling covering facing the opening with a high-temperature- and/or flame-resistant panel which fills the opening. -
US patent publication no. 4,299,059 teaches a ceiling-mounted attic door features a continuous outer panel of flame-resistant plaster board, an intermediate layer of thermal insulating material and marginal sealing gaskets and insulating strips arranged to thermally seal the marginal edges of the door when it occupies a normally closed position within its associated door opening. - Belgium patent publication no.
900.741 - In a preferred embodiment of a panel assembly according to the invention, the panel comprises two spaced, plate-shaped walls, the first plate-shaped wall facing outward in use and the second plate-shaped wall facing inward in use, which two plate-shaped walls define a space in which an insulation material is present. The panel in particular comprises plastic connecting means for connecting the two plate-shaped walls. In another preferred variant, the two plate-shaped walls are glued together.
- In another preferred embodiment of a panel assembly according to the invention, the two plate-shaped walls comprise edges that extend at least substantially perpendicularly from the walls near the circumferential zones thereof, wherein the two edges of the two plate-shaped walls face one another, and wherein a second insulating strip is provided between the two edges. Said insulating strip is in particular made of a synthetic material with a coefficient of thermal conduction (λ) as low as possible.
- The invention will now be explained in more detail with reference to figures illustrated in a drawing, in which
-
Figure 1 is a perspective view of a panel assembly according to an embodiment of the invention installed in a building; -
Figure 2 is a cross-sectional view of the panel assembly offigure 1 ; and -
Figure 3 is a cross-sectional perspective view of the panel offigure 1 . - In
figure 1 there is shown a panel assembly 1 comprising apanel 2 and aframe 3, which panel assembly 1 is installed in the roof of abuilding 6. Thepanel 2 can be hinged between an open position and a closed position relative to theframe 3 by means of hinges 4, which open position of thepanel 2 is shown infigure 1 . Asfigure 2 shows, twostrips 5 are provided near the circumferential zone of thepanel 2, whichstrips 5 are preferably made of a synthetic material, more preferably rubber. Saidstrips 5 insulate thepanel 2 from theframe 3 in the closed position, so that transfer of heat from thepanel 2 to theframe 3 is not possible. Furthermore, as also appears fromfigure 2 , the presence of thestrips 5 prevents air from flowing from outside thebuilding 6 into thebuilding 6, and/or vice versa, via a clearance that may be present between thepanel 2 and theframe 3. - As
figure 2 shows, thepanel 2 comprises two spaced plate-shaped walls first wall 10 faces the outer side of thebuilding 6 and thesecond wall 11 faces the inner side of thebuilding 6. Aninsulation material 12 is provided between the twowalls insulation material 12 is preferably made of polyurethane. In another preferred variant, PIR/PUR with a coefficient of thermal conduction (λ) as low as possible, for example 0.021 W/m.K, is used. As appears fromfigure 3 , the twowalls screws 13 which extend through theinsulation material 12 and which engage in a threadedcylinder 14. Thescrews 13 and/or thecylinders 14 are preferably made of plastic material. Preferably,several screws 13 andcylinders 14 are provided, preferably near a circumferential zone of thepanel 2. - From
figure 1 it furthermore appears that the twowalls upright edges upright edges walls edges edges insulating strip 17 is provided between the twoedges panel 2, in such a manner that the outward facing side of thepanel 2 is thermally separated from the inward facing side of thepanel 2. - It furthermore appears from
figure 2 that theframe 3 comprises aninner wall 20, which faces the inner side of thebuilding 6. Theframe 3 further at least partially comprises anouter wall 21, which extends parallel to and spaced from theinner wall 20. Aninsulation material 22 is provided between theinner wall 20 and theupper wall 21. Fromfigure 2 it further appears that theouter wall 21 comprises asection 23, under which the roof covering of the roof is to terminate and which functions to drain away moisture present on theouter wall 21, in such a manner that said moisture cannot enter thebuilding 6. - As
figure 2 furthermore shows, thewall 20 and theouter wall 21 are provided withedges edges inner wall 20 and theouter wall 21 exhibit a U-shape. Betweensaid edges insulation strip 26 is provided, which insulation strip thermally separates theinner wall 21 from theupper wall 21. - As
figure 2 further shows, thestrips 5 extend or on either side of thestrips building 6 into thebuilding 6, and vice versa, through thespace 28 between thepanel 2 and theframe 3. Furthermore, any heat transfer between theouter wall 25 of theframe 3 and thewall 10 of thepanel 2 as well as between theinner wall 24 of thefreight 3 and thewall 11 of thepanel 2 is prevented in an efficient manner. - It is noted that the invention is not limited to the embodiment discussed in the foregoing, but that it also extends to other variants that fall within the scope of the appended claims. Thus it will be apparent that the panel and/or the frame may be configured differently, in which connection it is important that a part of the panel and/or the frame that faces upwards in use be thermally separated from a part of the panel and/or the frame that faces inwards in use. It is furthermore noted that the phrase "a panel assembly in use" is understood to mean a panel assembly installed in or on a building.
Claims (5)
- A panel assembly (1) comprising a panel (2) and a frame (3), which panel (2) can be hinged between an open and a closed position relative to the frame (3), wherein the parts of the panel assembly (1) that face outward in use are thermally separated from the parts of the panel assembly (1) that face inward in use, wherein an insulating strip (5) is provided between the panel (2) and the frame (3), wherein said strip (5) is made of a synthetic material, and wherein the frame (3) comprises an inner wall (20) and at least partially an outer wall (21), wherein the outer wall (21) faces outward in use, wherein the inner wall (20) faces inward in use, characterized in that the inner wall (20) and the outer wall (21) define a space for accommodating a second insulating material (22), wherein the inner wall (20) and the outer wall (21) of the frame (3) comprise edges (24, 25) that extend at least substantially perpendicularly from the inner wall (20) and the outer wall (21) near a first end zone, wherein the two edges (24, 25) of the inner wall (20) and the outer wall (21) face one another and wherein a third insulating strip (26) is provided between the two edges (24, 25).
- A panel assembly (1) according to claim 1, wherein the panel (2) comprises two spaced, plate-shaped walls (10, 11), the first plate-shaped wall (10) facing outward in use and the second plate-shaped wall (11) facing inward in use, which two plate-shaped walls (10, 11) define a space in which an insulation material (12) is present.
- A panel assembly (1) according to claim 2, wherein the panel (2) comprises connecting means (13, 14) for connecting the two plate-shaped walls.
- A panel assembly (1) according to claim 3, wherein said connecting means (13, 14) are made of plastic material.
- A panel assembly (1) according to claim 2, 3 or 4,
wherein the two plate-shaped walls (10, 11) comprise edges (15, 16) that extend at least substantially perpendicularly from the walls (10, 11) near the circumferential zones thereof, wherein the two edges (15, 16) of the two plate-shaped walls (10, 11) face one another, and wherein a second insulating strip (17) is provided between the two edges (15, 16).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL10803661T PL2519702T3 (en) | 2009-12-29 | 2010-12-20 | Panel assembly comprising a panel and a frame |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL2004028A NL2004028C2 (en) | 2009-12-29 | 2009-12-29 | SHIELD COMPOSITION. |
PCT/NL2010/050871 WO2011081518A2 (en) | 2009-12-29 | 2010-12-20 | Panel assembly |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2519702A2 EP2519702A2 (en) | 2012-11-07 |
EP2519702B1 true EP2519702B1 (en) | 2013-08-28 |
Family
ID=42605240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10803661.7A Active EP2519702B1 (en) | 2009-12-29 | 2010-12-20 | Panel assembly comprising a panel and a frame |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2519702B1 (en) |
DK (1) | DK2519702T3 (en) |
NL (1) | NL2004028C2 (en) |
PL (1) | PL2519702T3 (en) |
WO (1) | WO2011081518A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016101809A1 (en) | 2015-02-13 | 2016-08-18 | The Bilco Company | Hatch with thermally broken frame |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8971348B2 (en) * | 2012-10-31 | 2015-03-03 | Qualcomm Incorporated | Allocation of voice idle time period for inter-RAT measurement |
AU2015246127B2 (en) * | 2014-10-24 | 2021-04-22 | Rakman International Pty Ltd | A fire rated access panel and duct system |
NL2018304B1 (en) * | 2017-02-03 | 2018-08-28 | Staka Bouwproducten B V | Roof hatch |
HUP2100350A1 (en) * | 2021-10-11 | 2023-04-28 | Stal West Zrt | Insulated opening, especially roof exit |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4299059A (en) * | 1980-03-10 | 1981-11-10 | Cardinal Industries, Inc. | Thermally insulated, fire resistant attic door |
DE3231968C2 (en) * | 1982-04-16 | 1986-03-20 | Dictator Technik - Ruef & Co, 8902 Neusäß | Fire door |
BE900741A (en) * | 1984-10-03 | 1985-02-01 | Vanderplanck Metalworks S A | Fire resistant door or partition - has sandwich construction of insulation and mineral wool enclosed in steel shell |
DE10235614A1 (en) * | 2002-08-02 | 2004-02-19 | Riegelhof & Gärtner oHG | inspection flap |
NL2000112C2 (en) * | 2006-06-21 | 2007-12-27 | Gorter Bouwprodukten B V | Shutter assembly. |
-
2009
- 2009-12-29 NL NL2004028A patent/NL2004028C2/en active
-
2010
- 2010-12-20 EP EP10803661.7A patent/EP2519702B1/en active Active
- 2010-12-20 PL PL10803661T patent/PL2519702T3/en unknown
- 2010-12-20 WO PCT/NL2010/050871 patent/WO2011081518A2/en active Application Filing
- 2010-12-20 DK DK10803661.7T patent/DK2519702T3/en active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016101809A1 (en) | 2015-02-13 | 2016-08-18 | The Bilco Company | Hatch with thermally broken frame |
US9670671B2 (en) | 2015-02-13 | 2017-06-06 | The Bilco Company | Hatch with thermally broken frame |
DE102016101809B4 (en) | 2015-02-13 | 2021-07-08 | The Bilco Company | Roof access hatch, composite component |
Also Published As
Publication number | Publication date |
---|---|
NL2004028C2 (en) | 2011-06-30 |
WO2011081518A2 (en) | 2011-07-07 |
DK2519702T3 (en) | 2013-11-25 |
EP2519702A2 (en) | 2012-11-07 |
PL2519702T3 (en) | 2014-01-31 |
WO2011081518A3 (en) | 2012-06-14 |
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