EP2395192B1 - Two-leaf fire door with improved fire resistance - Google Patents

Two-leaf fire door with improved fire resistance Download PDF

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Publication number
EP2395192B1
EP2395192B1 EP11166476.9A EP11166476A EP2395192B1 EP 2395192 B1 EP2395192 B1 EP 2395192B1 EP 11166476 A EP11166476 A EP 11166476A EP 2395192 B1 EP2395192 B1 EP 2395192B1
Authority
EP
European Patent Office
Prior art keywords
leaf
mating
contact edge
fire door
leaves
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
EP11166476.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2395192A1 (en
Inventor
Gebhard Meinrad Locher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
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
Application filed by Individual filed Critical Individual
Publication of EP2395192A1 publication Critical patent/EP2395192A1/en
Application granted granted Critical
Publication of EP2395192B1 publication Critical patent/EP2395192B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
    • E06B3/362—Double winged doors or windows
    • E06B3/365—Astragals for double doors
    • 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
    • E06B5/167—Devices blocking doors or windows inside its frame in case of fire

Definitions

  • the present invention relates to a two-leaf fire door with improved fire resistance.
  • fire doors are made with a fixed metal frame within which are hinged the leaves, which are made with metal paneling on the two sides, front and back.
  • a current solution for solving the problem involve using metal sheets with the application of plasterboard, thus increasing the thicknesses and so making the leaves considerably heavier, as well as considerably increasing the production costs, but without actually solving the problem with certainty because, while the measures adopted make it possible to increase the resistance time, they do not give absolute certainty that the battens will not move apart and allow the flames to pass through.
  • the aim of the invention is to solve the problem explained above, by providing a two-leaf fire door with improved fire resistance which makes it possible to maintain, even under the heaviest conditions, a mutual coupling between the mating upright members between the leaves, thus preventing their mutual moving apart.
  • an object of the invention is to provide a fire door in which it is possible to obtain an optimal closing, while at the same time having a door that is relatively light and has a low cost.
  • Another aim of the present invention is to provide a fire door that, owing to its distinctive implementation features, is capable of offering the widest guarantees of reliability and safety in use.
  • Another object of the present invention is to provide a fire door that can be easily implemented using elements and materials that are readily available on the market and which, moreover, is competitive also from a merely economical viewpoint.
  • the two-leaf fire door with improved fire resistance which is generally designated with the reference numeral 1, comprises a fixed frame 2 to which are connected, by means of hinges 3, a first leaf 4 or principal leaf, and a second leaf 5 or secondary leaf.
  • the first leaf 4 defines an abutment wing 10 at the region of mating with a contact edge 11, which is formed on the central upright member of the second leaf 5.
  • mating means are provided which act between the leaves when, due to the presence of flames, relative sliding occurs between the abutment wing 10 and the contact edge 11 along a direction which is substantially perpendicular to the pivoting axes of the leaves 4 and 5.
  • the mating means have an L-shaped element 20 which is fixed to the edge of the first leaf 4 below the abutment wing, where a connecting portion 21 is provided, which ends in a mating tooth 22 accommodated in a slot 23 which is obtained, for example by cutting, directly on the contact edge 11.
  • the slot 23 is delimited, in the direction of the first leaf, by an engagement portion 25 which hooks with the tooth 22 when, due to the propagation of flames, mutual sliding begins between the abutment wing and the contact edge; this sliding is permitted only for a reduced portion, after which it is prevented, since the tooth 22, by engaging the engagement portion 25 does not allow the mutual separation between the abutment wing and the contact edge.
  • the L-shaped elements 20 are spaced at a pre-established distance longitudinally along the mating region between abutment wing 10 and contact edge 11, so as to create a plurality of mutual mating regions which render the overall structure particularly stable.
  • the solution adopted i.e. a tooth, which extends substantially perpendicular to the abutment wing, does not create any hindrance during the normal steps of using the leaf, since the tooth is inserted in the slot 23 during the normal mating between the first and second leaves.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Special Wing (AREA)
EP11166476.9A 2010-06-09 2011-05-18 Two-leaf fire door with improved fire resistance Active EP2395192B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI2010A001029A IT1401293B1 (it) 2010-06-09 2010-06-09 Porta tagliafuoco a due ante con migliorata resistenza al fuoco.

Publications (2)

Publication Number Publication Date
EP2395192A1 EP2395192A1 (en) 2011-12-14
EP2395192B1 true EP2395192B1 (en) 2016-07-20

Family

ID=42996431

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11166476.9A Active EP2395192B1 (en) 2010-06-09 2011-05-18 Two-leaf fire door with improved fire resistance

Country Status (2)

Country Link
EP (1) EP2395192B1 (it)
IT (1) IT1401293B1 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL2728101T3 (pl) * 2012-10-31 2017-07-31 Hörmann KG Freisen Wieloskrzydłowe drzwi przeciwpożarowe i skrzydła do tych drzwi
DE102013113127B4 (de) * 2013-11-27 2015-11-26 Hörmann KG Freisen Feuerschutztürflügel für eine Ein- oder Mehrflügelfeuerschutztür sowie Mehrflügel-Feuerschutztür
ES2551178B1 (es) * 2014-05-13 2016-09-08 Puertas Padilla, S.L. Pasador para puertas cortafuego de dos hojas
JP6438680B2 (ja) * 2014-05-22 2018-12-19 株式会社竹中工務店 防火扉

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT403498B (de) * 1994-07-20 1998-02-25 Steba Brandschutztore Ges M B Fixiereinrichtung für brandschutztüren

Also Published As

Publication number Publication date
EP2395192A1 (en) 2011-12-14
IT1401293B1 (it) 2013-07-18
ITMI20101029A1 (it) 2011-12-10

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