EP2146043B1 - A fireproof door - Google Patents

A fireproof door Download PDF

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Publication number
EP2146043B1
EP2146043B1 EP20090478001 EP09478001A EP2146043B1 EP 2146043 B1 EP2146043 B1 EP 2146043B1 EP 20090478001 EP20090478001 EP 20090478001 EP 09478001 A EP09478001 A EP 09478001A EP 2146043 B1 EP2146043 B1 EP 2146043B1
Authority
EP
European Patent Office
Prior art keywords
sheet
door
frame
sides
thermo
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
Application number
EP20090478001
Other languages
German (de)
French (fr)
Other versions
EP2146043A2 (en
EP2146043A3 (en
Inventor
Remigijus Guobys
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Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40251579&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2146043(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of EP2146043A2 publication Critical patent/EP2146043A2/en
Publication of EP2146043A3 publication Critical patent/EP2146043A3/en
Application granted granted Critical
Publication of EP2146043B1 publication Critical patent/EP2146043B1/en
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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
    • 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
    • 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
    • E06B3/7015—Door leaves characterised by the filling between two external panels
    • 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
    • E06B3/72—Door leaves consisting of frame and panels, e.g. of raised panel type
    • 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
    • E06B3/7015—Door leaves characterised by the filling between two external panels
    • E06B2003/703—Door leaves characterised by the filling between two external panels containing a metallic layer
    • 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
    • E06B3/7015—Door leaves characterised by the filling between two external panels
    • E06B2003/7042—Door leaves characterised by the filling between two external panels with a fire retardant layer
    • 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
    • E06B2003/7059—Specific frame characteristics
    • E06B2003/7074—Metal frames

Definitions

  • the present invention relates to a fireproof door the purpose of which is to separate one room from the next one and to stand a particular minimal temperature for a certain period of time whereas the shape and measurements of the door remain unchanged.
  • Fireproof doors are designed to close the door opening reliably and tightly in case of fire and to prevent fire and smoke to extent to another living compartments by limiting the air supply into the room possessed by fire. Special requirements are determined subject to the use of the door: the door should be in conformance with special class of resistance to fire, which should secure a reliable barrier against fire for a certain period of time.
  • Commonly fireproof doors used in commercial and dwelling-houses consist of rectangular metal frame coated with laminated metal plates with thermo and sound insulation installed in between. The design of such door is described in document US2003/033786 .
  • the present invention relates to a fireproof door, resistant to thermo and mechanical deformations.
  • the door of the present invention consists of a single metal sheet installed within a perimetric door frame.
  • the door is reinforced by a lattice construction consisting of plurality of rectangular tray-shaped profiles arranged horizontally and gradually over each other and fixed symmetrically to a metal sheet from both sides thereof, the profiles being linked up by several vertical metal ribbons which are connected to upper and lower door frame rails and to each tray-shaped profile.
  • the chambers formed on both sides of the sheet by the sheet itself, trays and ribbons are packed with a thermo-insulating material.
  • the whole door construction is covered from both sides with any chosen decorative cover fixed to the door frame.
  • the door 1 consists of a rectangular frame 2 surrounding a rectangular metal sheet 3 installed within and in the middle of the frame 2.
  • the metal sheet 3 is welded peripherally to a frame 2.
  • the door 1 is reinforced from both sides of a sheet 3 by a lattice construction consisting of plurality of rectangular tray-shaped profiles 4 installed horizontally and gradually over each other and welded symmetrically by their lateral surfaces to both sides of a metal sheet 3. Profiles 4 with their opposite lateral surfaces are connected to vertical metal ribbons 5, which are in turn connected to upper and lower rails 2a, 2b of the door frame 2.
  • a lattice construction consisting of plurality of rectangular tray-shaped profiles 4 installed horizontally and gradually over each other and welded symmetrically by their lateral surfaces to both sides of a metal sheet 3.
  • Profiles 4 with their opposite lateral surfaces are connected to vertical metal ribbons 5, which are in turn connected to upper and lower rails 2a, 2b of the door frame 2.
  • Such lattice construction makes the door 1 extremely rigid and highly resistant to mechanical deformation.
  • thermo-insulating material for example rock wool 6, as shown in fig.3 .
  • an aesthetic exterior view of the door could be formed using decorative panels of any material fixed to both sides of a frame 2 (not shown in the drawings).
  • the door 1 of such construction characterizes by extremely high resistance both to mechanical and thermo deformation. Since both sides of the door sheet 3 are covered with protective thermo-insulating layer 6, the sheet remains geometrically unchanged for a time period sufficient to either quench the fire inside the room or the fire source to burn out. The testing results showed that under the same temperature conditions the door of the present invention remained in practice unwarped, whereas the common double-sheet fireproof door with internal thermo-insulation had warped and opened the way for flame and smoke.
  • the fireproof door of the present invention could be manufactured either using a continuous metal sheet 3 or separate segments 3a, 3b, 3c, etc., fixed by appropriate edges to a frame 2 and interconnected by adjacent relative edges by welding to rectangular tray-shaped profiles 4. Such construction of the door allows to considerably reduce the manufacturing costs without changing in practice its fire protection and mechanical characteristics.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Special Wing (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)

Description

    TECHNICAL FIELD
  • The present invention relates to a fireproof door the purpose of which is to separate one room from the next one and to stand a particular minimal temperature for a certain period of time whereas the shape and measurements of the door remain unchanged.
    • BACKGROUND ART
  • Fireproof doors are designed to close the door opening reliably and tightly in case of fire and to prevent fire and smoke to extent to another living compartments by limiting the air supply into the room possessed by fire. Special requirements are determined subject to the use of the door: the door should be in conformance with special class of resistance to fire, which should secure a reliable barrier against fire for a certain period of time. Commonly fireproof doors used in commercial and dwelling-houses consist of rectangular metal frame coated with laminated metal plates with thermo and sound insulation installed in between. The design of such door is described in document US2003/033786 .
  • The basic and substantial drawback of such fireproof door is that under the influence of high temperature the door leaf is deformed. It is related to the phenomenon that the metal sheet of the door leaf being heated expands, whereas the opposite side of the door leaf, which is not affected by fire, does not change its measurements. Therefore the door leaf warps forming a gap across the middle of the door leaf (in case the door of the room occupied by fire swings inward) or at the top and bottom of the door leaf (in case the door swings outward). Thus the door looses its hermetic characteristics and opens the way for the air supply to the room possessed by fire as well as for heat, smoke and fire expansion to the adjacent rooms.
    • SUMMARY OF INVENTION
  • The present invention relates to a fireproof door, resistant to thermo and mechanical deformations. Otherwise than a standard fireproof door consisting of a perimetric frame and two peripheral metal sheets with thermo-insulation in between, the door of the present invention consists of a single metal sheet installed within a perimetric door frame. Additionally, the door is reinforced by a lattice construction consisting of plurality of rectangular tray-shaped profiles arranged horizontally and gradually over each other and fixed symmetrically to a metal sheet from both sides thereof, the profiles being linked up by several vertical metal ribbons which are connected to upper and lower door frame rails and to each tray-shaped profile. The chambers formed on both sides of the sheet by the sheet itself, trays and ribbons are packed with a thermo-insulating material.
  • The whole door construction is covered from both sides with any chosen decorative cover fixed to the door frame.
  • It was unexpectedly discovered that such simple at first glance door construction containing a single metal sheet arranged within a door frame demonstrates rather high resistance to temperature deformation. It is due to, that in the door of such construction fire flames coming from any side of the door first encounter with a protective thermo-insulating layer which protects constructional metal sheet being beyond the insulation from excessive heating and, hence, from temperature deformation. The testing results show, that the door of such cosntruction fully performs the barrier functions, when ordinary fireproof door was already loosing its hermetic characteristics. Additionally, extra installed lattice construction provides the door with special mechanical strength and makes the door hardly deformable.
    • BRIEF DESCRIPTION OF DRAWINGS
  • Further the invention will be described in detail with reference to the drawings, wherein:
    • Fig.1 is a front view of the door construction without decorative cover;
    • Fig.2 is a perspective view of the door construction with a truncated door angle, disclosing a lattice construction of the door in more detail;
    • Fig.3 is a perspective view of the door of the present invention packed with thermo-insulation.
    DESCRIPTION OF THE PREFERRED EMBODIMENT
  • As seen in fig.1 and fig.2 the door 1 consists of a rectangular frame 2 surrounding a rectangular metal sheet 3 installed within and in the middle of the frame 2. In general case the metal sheet 3 is welded peripherally to a frame 2.
  • Additionally the door 1 is reinforced from both sides of a sheet 3 by a lattice construction consisting of plurality of rectangular tray-shaped profiles 4 installed horizontally and gradually over each other and welded symmetrically by their lateral surfaces to both sides of a metal sheet 3. Profiles 4 with their opposite lateral surfaces are connected to vertical metal ribbons 5, which are in turn connected to upper and lower rails 2a, 2b of the door frame 2. Such lattice construction makes the door 1 extremely rigid and highly resistant to mechanical deformation.
  • Internal chambers formed on both sides of a sheet 3 by a sheet 3, profiles 4 and ribbons 5 are packed with an appropriate thermo-insulating material, for example rock wool 6, as shown in fig.3. Finally, an aesthetic exterior view of the door could be formed using decorative panels of any material fixed to both sides of a frame 2 (not shown in the drawings). As it was mentioned above the door 1 of such construction characterizes by extremely high resistance both to mechanical and thermo deformation. Since both sides of the door sheet 3 are covered with protective thermo-insulating layer 6, the sheet remains geometrically unchanged for a time period sufficient to either quench the fire inside the room or the fire source to burn out. The testing results showed that under the same temperature conditions the door of the present invention remained in practice unwarped, whereas the common double-sheet fireproof door with internal thermo-insulation had warped and opened the way for flame and smoke.
  • The fireproof door of the present invention could be manufactured either using a continuous metal sheet 3 or separate segments 3a, 3b, 3c, etc., fixed by appropriate edges to a frame 2 and interconnected by adjacent relative edges by welding to rectangular tray-shaped profiles 4. Such construction of the door allows to considerably reduce the manufacturing costs without changing in practice its fire protection and mechanical characteristics.

Claims (4)

  1. A fireproof door comprising a frame, a barrier metal sheet and a thermo-insulating material characterized by consisting of:
    - a single rectangular metal sheet (3);
    - a frame (2) fixed to a metal sheet (3) and surrounding the metal sheet (3);
    - a lattice construction arranged on both sides of the sheet (3) and fixed to a frame (2) and each side of a sheet (3);
    - a thermo-insulating material (6) packed on both sides of the sheet (3) in the chambers formed by a lattice construction; and
    - an external decorative door cover fixed to a frame (2) from both sides of the frame (2).
  2. A fireproof door according to claim 1, wherein the lattice construction consists of:
    - a plurality of rectangular tray-shaped profiles (4) arranged horizontally and gradually over each other and fixed symmetrically to both sides of a sheet (3);
    - a plurality of vertical ribbons (5) connected to each profile (4) and to upper and lower rails (2a, 2b) of the frame (2) on both sides of a sheet (3).
  3. A fireproof door according to claims 1 and 2, characterized in that a thermo-insulation (6) is packed in the chambers on both sides of a sheet (3) formed by a sheet (3), trays (4) and ribbons (5).
  4. A fireproof door according to claim 1, characterized in that sheet (3) consists of a plurality of separate sheet segments (3a, 3b, 3c ...) fixed by appropriate edges to a frame (2) and interconnected by adjacent relative edges by welding to rectangular tray-shaped profiles (4).
EP20090478001 2008-07-18 2009-06-12 A fireproof door Active EP2146043B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LT2008054A LT5557B (en) 2008-07-18 2008-07-18 A fire - door

Publications (3)

Publication Number Publication Date
EP2146043A2 EP2146043A2 (en) 2010-01-20
EP2146043A3 EP2146043A3 (en) 2011-08-24
EP2146043B1 true EP2146043B1 (en) 2014-04-16

Family

ID=40251579

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090478001 Active EP2146043B1 (en) 2008-07-18 2009-06-12 A fireproof door

Country Status (3)

Country Link
EP (1) EP2146043B1 (en)
DK (1) DK2146043T3 (en)
LT (1) LT5557B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104100187B (en) * 2014-07-18 2015-10-28 浙江顾家门业有限公司 A kind of reinforcement structure for high anti-seismic Anti-deformation door
JP6241769B1 (en) * 2016-11-28 2017-12-06 パナソニックＩｐマネジメント株式会社 Cap member and door provided with the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB220666A (en) * 1923-02-21 1924-08-21 Edwin William Buckley Improvements in fire-proof doors, partitions, shutters and the like
US2215894A (en) * 1938-06-11 1940-09-24 James Mfg Co Ironclad door
US20030033786A1 (en) 2001-08-17 2003-02-20 Leon Yulkowski Fire door assembly
JP4620683B2 (en) * 2004-01-07 2011-01-26 キュウ パク，ビョン Reinforcing body assembly and method for manufacturing steel door

Also Published As

Publication number Publication date
EP2146043A2 (en) 2010-01-20
LT2008054A (en) 2009-01-26
EP2146043A3 (en) 2011-08-24
LT5557B (en) 2009-03-25
DK2146043T3 (en) 2014-06-30

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