GB2500518A - Fireproof door with phenolic resin core and glass fibre net or glass or carbon fibre cloth layers - Google Patents
Fireproof door with phenolic resin core and glass fibre net or glass or carbon fibre cloth layers Download PDFInfo
- Publication number
- GB2500518A GB2500518A GB1310548.1A GB201310548A GB2500518A GB 2500518 A GB2500518 A GB 2500518A GB 201310548 A GB201310548 A GB 201310548A GB 2500518 A GB2500518 A GB 2500518A
- Authority
- GB
- United Kingdom
- Prior art keywords
- door panel
- fireproof door
- plate
- surface plate
- panel structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003365 glass fiber Substances 0.000 title claims abstract description 13
- 239000004744 fabric Substances 0.000 title claims abstract description 11
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical group [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 title claims abstract description 7
- 239000000835 fiber Substances 0.000 title claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract 2
- 229910052799 carbon Inorganic materials 0.000 title abstract 2
- 239000011521 glass Substances 0.000 title 1
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 239000002023 wood Substances 0.000 claims abstract description 13
- 239000000378 calcium silicate Substances 0.000 claims abstract description 11
- 229910052918 calcium silicate Inorganic materials 0.000 claims abstract description 11
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002131 composite material Substances 0.000 claims abstract description 10
- 239000005011 phenolic resin Substances 0.000 claims abstract description 6
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 6
- 239000010451 perlite Substances 0.000 claims abstract description 5
- 235000019362 perlite Nutrition 0.000 claims abstract description 5
- 239000011121 hardwood Substances 0.000 claims abstract description 4
- 238000003475 lamination Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 17
- 238000001125 extrusion Methods 0.000 claims description 6
- 239000000395 magnesium oxide Substances 0.000 claims description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 6
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000011162 core material Substances 0.000 abstract description 19
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 3
- 239000010935 stainless steel Substances 0.000 abstract description 3
- 229920003266 Leaf® Polymers 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 239000010410 layer Substances 0.000 description 7
- 235000013824 polyphenols Nutrition 0.000 description 7
- 229920006305 unsaturated polyester Polymers 0.000 description 4
- 239000004412 Bulk moulding compound Substances 0.000 description 3
- 239000003677 Sheet moulding compound Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- 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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/82—Flush doors, i.e. with completely flat surface
- E06B3/822—Flush doors, i.e. with completely flat surface with an internal foursided frame
- E06B3/825—Flush doors, i.e. with completely flat surface with an internal foursided frame with a wooden frame
-
- 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
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
-
- 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
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
- E06B5/161—Profile members therefor
-
- 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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/7001—Coverings therefor; Door leaves imitating traditional raised panel doors, e.g. engraved or embossed surfaces, with trim strips applied to the surfaces
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Special Wing (AREA)
- Building Environments (AREA)
Abstract
A fireproof door panel comprising a front surface plate 31 and a rear surface plate 32 formed as door leafs, a quadrilateral frame, one or more sealing members 37 formed as outer edge sealing structures and a core material 40 formed as an inner sandwich structure, wherein the core material comprises phenolic resin. The core is adhered to the outer surface plates and a layer of glass fibre cloth, glass fibre net or carbon fibre net is attached to the outer surface panels. The core may also include perlite, calcium silicate or a wood composite plate. The frame may be a hard or foamed PVC, hard wood, high density press binding plates, multi wood laminations, stainless steel. A U shaped steel bar tube or rectangular steel pipe may be fastened to the frame member.
Description
I
A FIREPROOF DOOR PANEL STRUCTURE
BACKGROUND OF THE PRESENT INVENTION
1. Field of the Present Invention
The invention relates to a fireproof door panel, particularly to a fireproof door panel structure having phenolic resin, or perlite plate or calcium silicate plate as its core material.
2. Description of Prior Art
Normally the fireproof structure of the conventional door panel is constructed by filling the inner side of the door panel with fireproof material such as foamed phenolics to form a solid door panel which can provide a fireproof effect by fire retardance of the foamed phenolics.
When the door panel is on fire, even if the surface layer of the door panel is burned into ash the fire retardant material inside the door panel can still develop fireproof effect or the effect of blocking the fire out of the room and prevent the fire from spreading across the fireproof door.
The fireproof structure shown in Figs. I and 2 is a conventional plate type door panel 10 which is formed by covering the inner side of the surface plate 11, 12 with two magnesium oxide plates 23 having the same size as the surface plate 11, 12, and then filling the inner side of the door panel 10 with foamed phenolics 22. When the door panel 10 is on fire, the effect of blocking the fire out of the room is developed by the fire retardance of the foamed phenolics 22 and the magnesium plate 23.
However1 an upper rail 13, a lower rail 14, a left stile 15 and a right stile 16 of the conventional plate type door panel 10 are mostly made of PVC foamed material, plastic injection forming material or wood. When the door is on fire, the PVC foamed material, plastic injection forming material and wood all are unable to resist fire and are apt to burning, so that licking flames can run into the room through the gap between the door panel 10 and the doorfrarte due to the deformation or burning out of the door panel 10 caused by fire.
Consequently, though the conventional type door panel 10 has adopted the fire retardance material such as foamed phenolics 22 and magnesium oxide plate 23, or even further adopts knob reinforcing material 17, heat insulating plate 20 or reinforcing material 21 etc., there is room for further improvement of fireproof property of the conventional type door panel 10.
SIJMMARY OF THE INVENHON
In view of the above-mentioned drawbacks of the conventional type door panel, it is an object of the invention to seek to mitigate them.
According to the invention as defined in appended claim I, there is provided a fireproof door panel structure, comprising a front surface plate and a rear surface plate, a quadrilateral frame formed as a door frame, one or more sealing members formed as outer edge sealing structures and a core material formed as an inner sandwich structure, wherein the core comprises phenolic resin, the front and rear surface plates are adhesively bound to the core, at least one of the front and rear surface plates has a rough inner surface to increase the binding force and on an inner surface of the front surface plate and/or the rear surface plate is attached one or more layers selected from the group consistEng of glass-fibre cloth, glass-fibre net or carbon-fibre cloth.
In a door panel of the invention, the structure may comprise a front surface plate and a rear surface plate as door leafs, an upper rail, a lower rail, a left stile and a right stile formed as a quadrilateral frame of the door panel and sandwich core materials to fill up the hollow of the door panel therein! and the core material is provided with excellent fire retardance and can optionally be formed additionally from perlite plate, calcium silicate plate or wood composite plate, in addition to phenolic resin and/or formed phenolics.
In use of the invention if the door panel is on fire, the core material of the door panel can block the fire, prevent the fire from burning into the rOom and provide the effect of preventing the fire from spreading or burning across the door panel.
An improvement of the fireproof door panel of the invention may include having the front surface plate and the rear surface plate of the door panel made of SMC, BMC or FRP material of which the inner surface is covered with glass-fibre cloth, glass-fibre net or carbon-fibre cloth to form a flat type door panel with plane surface or the door panel carrying a rugged panel pattern.
A further improvement of the fireproof door panel of the invention may include having the quadrilateral frame of the door panel made of hard PVC! foamed PVC, PVC composite extrusion, hard wood block, high density press binding plate, multi-layer wood lamination, drawn and extruded unsaturated polyester (UP), stainless steel, galvanized and coated steel plate or calcium silicate plate.
Another improvement of the fireproof door panel of the invention may include having a sealing member for forming as an outer edge sealing structure of the fireproof door panel designed as a hard PVC sealing member, Foamed PVC sealing member, PVC composite extrusion sealing member, calcium silicate plate sealing member, U-shaped aluminum seaFing member or drawn-extruded U-shaped sealing member.
Yet another improvement of the fireproof door panel of the invention may include having the front surface plate or rear surface plate equipped with outer snap-connection means or inner snap-connection means or having the front surface plate and the rear surface plate assembled together by nailing the sealing member on the edges of the surface plate.
Further again another improvement of the fireproof door panel of the invention may include fastening on one of the frame members of the fireproof door panel a flat steel bar, a U-shaped steel bar or a rectangular cross-section steel pipe.
Further again an improvement of the fireproof door panel of the invention may include having one of the members of the quadrilateral frame of the door panel coated with fireproof heat expansive material, or sticking magnesium oxide plate on the centre, lower or upper part of the door panel to improve the fire retardance of the fireproof door panel.
Further again another optional improvement of the fireproof door panel of the invention is one wherein the front surface plate and/or the rear surface plate has one or more rugged panel pattern thereon.
BRIEF DESCRIPTION OF THE DRAWINGS
Fireproof door panel structures embodying certain aspects of the invention are hereinafter described, by way of example, with reference to accompanying schematic drawings.
Fig. 1 is a schematic drawing showing the cross section of the fireproof structure of a conventional plate type door panel; Fig. 2 is a longitudinal cross-sectional drawing of the convention plate type door panel shown in Fig. 1; Fig. 3 is a schematic drawing of a SMU fireproof door panel of the present invention without the one or more layers selected from the group consisting of glass-fibre Cloth, glass-fibre net or carbon-fibre doth; Fig. 4 is a cross-sectional drawing along line 4-4 of the fireproof door panel in Fig. 3 for showing the structure of the fireproof door panel; Fig. 5 is a cross-sectional drawing along line 5-5 of the fireproof door panel in Fig 3 for showing the structure of the fireproof door panel; Fig. 6 is a partial enlargement of a cross-sectional drawing to illustrate potential embodiments of some, but not all, elements of fireproof door panels according to the invention; Fig. 7 is a partial enlargement of a cross-sectional drawing to illustrate further different embodiments of some, but not all, elements of fireproof door panels of the invention; Fig. 8 is a cross-sectional diagram of a rectangular steel pipe adapted for use on a fireproof door panel according to the invention to improve the bending strength of the fireproof door panel; Fig. 9 is a cross-sectional diagram showing an assembly of fireproof door panel comprising a front surface plate and a rear surface plate provided with rugged panel patterns and equipped with outer snap-connection means for snap connection: and Fig. 10 is a cross-sectional diagram showing an assembly of fireproof door panel comprising a front surface plate and a rear surface plate provided with rugged panel patterns and equipped with inner snap-connection means for snap connection.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
Shown in from Fig. 3 to Fig. 5, the fireproof door panel 30 is constructed by two pieces of surface plate of door panel which form a front surface plate 31 and a rear surface plate 32 (as considered in use) of the door panel 30, and further comprises an upper rail 33, a lower rail 34, a left stile 35 and a right stile 36 (again as considered in use) to form a quadrilateral frame of the fireproof door panel 30, one or more sealing member 37 formed as an outer edge sealing structure, and core materials 40 to form an inner sandwich structure of the fireproof door panel 30.
The front surface plate 31 and the rear surface plate 32 is made of fibre reinforced plastic (FRP)I by a sheet molding compound (SMC) method, or by a Bulk Molding Compound (BMC) method, which inner side can be bound with one or more layers of glass-fibre cloth, or glass-fibre net or carbon-fibre cloth and which outer appearance can be shaped as a flat door panel as shown in Fig. 6, or a kind of surface plate having rugged panel pattern 31a, 32a as shown in Fig. 9, or a kind of surface plate equipped with outer snap-connection means 31b, 32b on outer edge sealing structure as shown in Fig. 9, or a kind of surface plate shown in Fig. 10 on which a piece of edge sealing material 37a is attached for being able to be trimmed to the desired size to form the surface plate of door panel as well as equipped with inner snap-connection means Sic, 32c.
And, the surface of the front surface plate 31 and the rear surface plate 32 can be designed as plain and smooth surface without wood grain or as a surface decorated with imitating solid wood grain, but the reverse side of the surface plate has a rough surface to increase the binding force when the surface plate is bound to the core material with adhesive.
The upper rail 33, the Tower rail 34, the left stile 35 and the right stile 36 are formed as a quadrilateral frame and assembled with the front surface plate 31 and the rear surface plate 32 to form the fireproof door panel 30. Therefore, the material for the upper rail 33. the lower rail 34, the left stile 35 and the right stile 36 must have the property of high strength and high fire retardance such as hard PVC, foamed PVC, PVC composite extrusion, drawn and extruded UP, hard wood, high density press binding plate, multi-layer wood lamination, stainless steel frame, galvanized and coated steel plate or calcium silicate plate. Or, one of the members of the quadrilateral frame of the door panel 30 shown in Fig. 6 shall be coated with fireproof and heat expansive material, or selectively a magnesium oxide plate 50 is stuck on the centre, upper layer or lower layer of the member of the quadrilateral frame to increase its ability of fire retardance.
Shown in from Fig. 6 to Fig. 8, on the outer side of the upper rail 33, the lower rail 34, the left stile 35 and the right stile 36 a flat steel bar 39a, or a U-shaped steel bar 39b or a rectangular steel pipe or tube 39c is attached to increase the bending strength of the fire proof door panel 30.
Also shown in Figs. 5 and 6, along the outer edge of the left stile 35 and/or the right stile 36 of the fireproof door panel 30 a sealing member 37 can be installed. The sealing member 37 shall also have high strength, fire resistance and fire retardance. and shall be made of hard PVC, foamed PVC, PVC composite extrusion, calcium silicate plate, wood or drawn-extruded UP, or can adopt U-shaped aluminum sealing material 60 for the outer sealing structure of the fireproof door panel 30 to increase its fire retardance.
The core material 40 formed as a sandwich structure inside the fireproof door panel 30 can be made of fireproof material such as phenolic resin or formed phenolics to form a solid core. It may additionally adopt directly one or more sheets of peniLe plate, or calcium siticate plate, to form the core 40 of the fireproof door panel, or in the way as shown in Fig. 6, on the inner side of the front surface plate 31 and the rear surface plate 32 to attach a sheet or piece of magnesium oxide plate 38 with the same size as the front surface plate 31 and the rear surface plate 32, and then install one or more sheets or pieces of perlite plate, calcium silicate plate or wood composite plate to form the core 40 of the fireproof door panel 30.
When the door panel 30 is on fire the core material 40 can block the fire and keep the fire out of the room, and prevent the fire from spreading across the door.
As concluded from the above, the fireproof door panel 30 provides not only the effect of preventing licking flames of fire from penetrating or passing the door through the gap along the edges of the door panel but also has the effect of forming a fire-wall with its core material which possesses not only the properties of high heat resistant and fire retardance hut also the property of no deformation caused by fire, so that a better fireproof property of the fireproof door panel 30 can be developed to block the fire and prevent the fire from passing the fireproof door panel and spreading across the door into a room or space closed by the door.
Claims (11)
- CLAIMS: 1. A fireproof door panel structure, comprising a front surface plate and a rear surface plate, a quadrilateral frame formed as a door frame, one or more sealing members formed as outer edge sealing structures and a core formed as an inner sandwich structure, wherein the core comprises phenolic resin, the front and rear surface plates are adhesively bound to the core, at least one of the front and rear surface plates has a rough inner surface to increase the binding force and on an inner surface of the front surface plate and/or the rear surface plate is attached one or more layers selected from the group consisting of glass-fibre cloth, glass-fibre net or carbon-fibre cloth.
- 2. A fireproof door panel structure according to claim 1, wherein the core additionally comprises one or more material selected from a group consisting of perlite. calcium silicate, and wood composite plate.
- 3. A fireproof door panel structure according to any preceding claim, wherein the quadrilateral frame comprises a material or materials selected from the group hard PVC, foamed PVC, PVC composite extrusion, drawn-extruded UP, hard wood block, high density press binding plate, multi-layer wood lamination, stainless teel. galvanized and coated steel plate or calcium silicate plate.
- 4. A fireproof door panel structure according to any of the preceding claims, wherein the sealing member comprises a material or materials selected from the group hard PVC sealing member, foamed PVC sealing member, PVC composite extrusion sealing member, calcium silicate sealing member or U-shaped aluminum sealing member.
- 5. A fireproof door panel structure according to any of the preceding claims, wherein the front surface plate and/or the rear surface plate is a flat type surface plate.
- 6. A fireproof door panel structure according to any one of the preceding claims, wherein the front surface plate and/or the rear surface plate comprises an outer snap-connection means or an inner snap-connection means.
- 7. A fireproof door panel structure according to any of the preceding claims, wherein the quadrilateral frame comprises a pluraifty of frame members.
- 8. A fireproof door panel structure according to claim 7, wherein at least one of the frame members has a steel bar, tube or pipe fastened thereon.
- 9. A fireproof door panel structure according to claim 7 or claim ST wherein on one of the members of the quaddlateral frame there is installed a magnesium oxide plate.
- 10. A doorway, comprising a fireproof door panel structure according to any preceding claim.
- 11. A building, including a fireproof door panel structure according to any of claims ito 9 or a doorway according to claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1310548.1A GB2500518B (en) | 2013-06-13 | 2013-06-13 | A fireproof door panel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1310548.1A GB2500518B (en) | 2013-06-13 | 2013-06-13 | A fireproof door panel structure |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB201310548D0 GB201310548D0 (en) | 2013-07-31 |
| GB2500518A true GB2500518A (en) | 2013-09-25 |
| GB2500518B GB2500518B (en) | 2014-01-01 |
Family
ID=48914501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1310548.1A Active GB2500518B (en) | 2013-06-13 | 2013-06-13 | A fireproof door panel structure |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2500518B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074446A (en) * | 2014-07-08 | 2014-10-01 | 重庆宏杰门业有限责任公司 | Fireproof door |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827847A (en) * | 2020-06-05 | 2020-10-27 | 于本波 | Novel indoor fireproof door and process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2161196A (en) * | 1984-07-04 | 1986-01-08 | Svensk Doerrteknik Ab | Fire door |
| EP1643075A2 (en) * | 2004-10-04 | 2006-04-05 | Environmental Seals Ltd. | Fire doors |
| EP1746242A2 (en) * | 2005-07-21 | 2007-01-24 | Environmental Seals Ltd. | Fire door |
-
2013
- 2013-06-13 GB GB1310548.1A patent/GB2500518B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2161196A (en) * | 1984-07-04 | 1986-01-08 | Svensk Doerrteknik Ab | Fire door |
| EP1643075A2 (en) * | 2004-10-04 | 2006-04-05 | Environmental Seals Ltd. | Fire doors |
| EP1746242A2 (en) * | 2005-07-21 | 2007-01-24 | Environmental Seals Ltd. | Fire door |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074446A (en) * | 2014-07-08 | 2014-10-01 | 重庆宏杰门业有限责任公司 | Fireproof door |
| CN104074446B (en) * | 2014-07-08 | 2016-02-17 | 重庆宏杰门业有限责任公司 | A kind of labeled door |
Also Published As
| Publication number | Publication date |
|---|---|
| GB201310548D0 (en) | 2013-07-31 |
| GB2500518B (en) | 2014-01-01 |
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