EP0448001A2 - Dormant de porte - Google Patents

Dormant de porte Download PDF

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Publication number
EP0448001A2
EP0448001A2 EP91104109A EP91104109A EP0448001A2 EP 0448001 A2 EP0448001 A2 EP 0448001A2 EP 91104109 A EP91104109 A EP 91104109A EP 91104109 A EP91104109 A EP 91104109A EP 0448001 A2 EP0448001 A2 EP 0448001A2
Authority
EP
European Patent Office
Prior art keywords
groove
strip
fire protection
frame
edge
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
Application number
EP91104109A
Other languages
German (de)
English (en)
Other versions
EP0448001B1 (fr
EP0448001A3 (en
Inventor
Theo Schröders
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
Priority to AT91104109T priority Critical patent/ATE98334T1/de
Publication of EP0448001A2 publication Critical patent/EP0448001A2/fr
Publication of EP0448001A3 publication Critical patent/EP0448001A3/de
Application granted granted Critical
Publication of EP0448001B1 publication Critical patent/EP0448001B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/04—Frames for doors, windows, or the like to be fixed in openings
    • E06B1/12—Metal frames
    • 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
    • E06B5/164—Sealing arrangements between the door or window and its frame, e.g. intumescent seals specially adapted therefor

Definitions

  • the invention relates to a door frame and a method for its production from a sheet metal strip of less than 3 mm in thickness.
  • the door frame should be provided with two grooves, one of which serves to receive a fire protection strip and a second groove to accommodate a sealing strip.
  • the fire protection strip consists of material that foams up under the influence of heat
  • the sealing strip consists of elastically deformable material.
  • the first groove should be formed in an area of the frame which, when a door leaf is in the closed position, lies opposite its end face.
  • the second groove should be formed in an area of the frame which, in the closed position of a door leaf, is opposite an edge strip of the visible surface of the door leaf.
  • Such a door frame is known from DE 37 43 712 Cl and is also provided with two grooves for attaching a fire protection strip and a sealing strip. So that the door frame, despite the relatively small thickness of the sheet metal from which the profile for the frame is rolled, is still sufficient to the required load and stiffening function, stiffening profiles are arranged on the side of the frame facing away from the door leaf, which are partially welded over their cross-section to surface parts of the frame and otherwise run at different distances from surface parts of the frame. This gives the frame a sandwich-like structure in the area of the stiffening profiles, which is characterized by its high resilience.
  • the known door frame can therefore be made of sheet metal less than 3 mm thick and still meet the strength requirements imposed on the door frame.
  • the stiffening profiles provided on the back of the frame for reasons of stability not only make the known door frame more expensive, but also increase its weight and make it more difficult to install the door frame in a masonry opening in such a way that the stiffening profiles provided at intervals over the length of the frame legs have special free spaces in the area of the opening reveal are to be provided.
  • the manufacturing and installation costs of the known door frame are therefore relatively high.
  • the invention has for its object to obtain a door frame of the type described, which, despite the low thickness of the sheet metal from which the profiles for the door frame are to be made, are characterized by great rigidity without the door frame having additional stiffening profiles is to be provided.
  • a method of the generic type mentioned in the preamble of claim 1 is assumed and proposed to deform the sheet metal strip in the cold state into a profile, the cross section of which corresponds to that of the frame provided with the grooves, and from sections of which are produced exclusively by cold forming received profile to form the frame.
  • the relatively small thickness of the sheet metal strip makes it possible to deform the frame profile, which is often angled due to its two grooves and its other shape, in the cold state, which surprisingly results in an extraordinary increase in strength. This completely compensates for the low material thickness and leads, for example, to a bending stiffness of the frame, which is comparable with values which door frames achieve, which are made from hot-rolled sheet metal profiles with a thickness exceeding 2.5 mm.
  • the S- or Z-arch connecting the groove edges results in a step-like design of the frame profile between the two grooves, which further increases the rigidity of the door frame.
  • a corner angle frame there are consequently no less than fourteen changes in direction in the profile contour in the cross-section of the profile.
  • the fire protection strip received by the dovetail-shaped first groove in cross section is provided, at least on its broad side facing the bottom of the groove, with its edge strips projecting beyond both narrow sides.
  • the fire protection strip with its edge strips protruding from the narrow sides can be clipped into the groove and held firmly in it without additional fasteners being required.
  • the clipping of the fire protection strip into the dovetail-shaped undercut groove does not require a great deal of effort due to the rounded edge edges of the groove, this process can be further facilitated in that, according to a further embodiment of the invention, the edge strips projecting beyond the narrow sides of the fire protection strip are inclined outwards towards the median plane the fire protection strip are aligned.
  • the fire protection strip can also be provided on its broad side facing away from the bottom of the groove with its two narrow sides projecting edge strips which lie in the plane of the broad side and form-fit against the rounded edges of the groove.
  • the fire protection strip completely fills the groove and is flush with the edge strips on both sides of the groove.
  • a section of a door frame produced according to the method of the invention and designed as a corner frame is shown in cross section:
  • the frame is formed from sections of a profile 1, which is made from a sheet metal strip of less than 2.2 mm thickness. Starting from a flat sheet metal strip, this is deformed in the cold state, preferably by rolling, so that in the profile 1 finally obtained, a first dovetail-shaped undercut groove 2 for receiving a fire protection strip 3 and, at the same time, a second, likewise undercut groove 4 for receiving an elastic sealing strip 5 are formed.
  • the grooves 2 and 4 are arranged so that the fire protection strip 3 in the groove 2 of the end face of a door leaf, not shown lies opposite and the sealing strip 5 in the groove 4 arranged at right angles to the groove 2 is opposite an edge strip of the visible surface of the door leaf when the door leaf is in its closed position.
  • edge edges 6 and 7 of the groove 2 run in a pronounced arc, as do edge edges 8 and 9 of the groove 4.
  • This not only increases the flexural rigidity of the profile 1, but also the fire protection strip 3 and the sealing strip 5 press into the grooves 2 and 4, respectively, with little force, despite the opening cross section narrowed by the respective undercut of the grooves 2 and 4.
  • the bending stiffness of the profile 1 is greatly improved by an S-shaped arch 10, which on the one hand merges into the edge 6 of the groove 2 and on the other hand into the edge 8 of the groove 4, since each deformation area of the profile 1 contributes to additional material strengthening.
  • molded edge strips 11 protrude beyond the narrow sides of the fire protection strip 3 and are directed slightly upwards, so that the fire protection strip 3 can be effortlessly clipped into the groove 2 and then the Edges of the edge strips 11 can bear resiliently against the reveal of the groove 2.
  • edge strips 12 also protrude from the broad side of the fire protection strip 3 facing away from the bottom of the groove 2 and over its narrow side and pass into the boundary regions of the groove 2 almost continuously.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Special Wing (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Door And Window Frames Mounted To Openings (AREA)
  • Making Paper Articles (AREA)
EP91104109A 1990-03-21 1991-03-16 Dormant de porte Expired - Lifetime EP0448001B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT91104109T ATE98334T1 (de) 1990-03-21 1991-03-16 Tuerzarge.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4008998A DE4008998A1 (de) 1990-03-21 1990-03-21 Tuerzarge und verfahren zu ihrer herstellung
DE4008998 1990-03-21

Publications (3)

Publication Number Publication Date
EP0448001A2 true EP0448001A2 (fr) 1991-09-25
EP0448001A3 EP0448001A3 (en) 1992-02-26
EP0448001B1 EP0448001B1 (fr) 1993-12-08

Family

ID=6402680

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91104109A Expired - Lifetime EP0448001B1 (fr) 1990-03-21 1991-03-16 Dormant de porte

Country Status (5)

Country Link
EP (1) EP0448001B1 (fr)
AT (1) ATE98334T1 (fr)
DE (1) DE4008998A1 (fr)
ES (1) ES2047355T3 (fr)
PT (1) PT97085B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4323202C1 (de) * 1993-07-12 1994-08-11 Theo Schroeders Türzarge mit einer Brandschutzleiste
FR2738866A1 (fr) * 1995-09-14 1997-03-21 Malerba Dugelet Profile metallique pour la realisation d'un encadrement coupe-feu de baie de cloison, membrure coupe-feu en faisant application et encadrement coupe-feu realise a partir de telles membrures

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008031364A1 (de) * 2008-07-04 2010-01-07 Stöbich Brandschutz GmbH Zarge
KR101589054B1 (ko) * 2014-06-11 2016-01-27 주식회사 중일 단열 방화문 설치구조
KR101865248B1 (ko) 2016-10-27 2018-07-04 영림임업 주식회사 연동형 미닫이문용 사이드문틀
CN109989691A (zh) * 2019-04-28 2019-07-09 中山市富门木制品有限公司 一种防火门

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH448451A (de) * 1965-12-10 1967-12-15 Forming Ag Türzargenprofil und Verfahren zu dessen Herstellung
BE794217A (fr) * 1972-01-19 1973-05-16 Rapena Patent & Verwaltungs Ag Procede de fabrication de barres profilees et corps assembles a partir de celles-ci
FR2300206A1 (fr) * 1975-02-10 1976-09-03 Garrigues Ets Profile pour la fabrication de cadres de po
DE7916590U1 (de) * 1979-06-08 1979-10-31 Hoermann Kg, 6699 Freisen Zarge insbesondere fuer feuerschutztueren
DE3423550C1 (de) * 1984-06-26 1985-04-18 Hörmann KG Freisen, 6699 Freisen Feuerschutztür
DE8419182U1 (de) * 1984-06-26 1985-10-24 Hörmann KG Freisen, 6699 Freisen Feuerschutztür
DE3743712C1 (en) * 1987-12-23 1989-01-12 Theo Schroeders Door case
DE8801361U1 (de) * 1988-02-04 1988-03-24 Schröders, Theo, 5140 Erkelenz Feuerschutztürblatt
DE9003276U1 (de) * 1990-03-21 1990-06-13 Schröders, Theo, 5140 Erkelenz Türzarge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4323202C1 (de) * 1993-07-12 1994-08-11 Theo Schroeders Türzarge mit einer Brandschutzleiste
FR2738866A1 (fr) * 1995-09-14 1997-03-21 Malerba Dugelet Profile metallique pour la realisation d'un encadrement coupe-feu de baie de cloison, membrure coupe-feu en faisant application et encadrement coupe-feu realise a partir de telles membrures

Also Published As

Publication number Publication date
EP0448001B1 (fr) 1993-12-08
EP0448001A3 (en) 1992-02-26
PT97085B (pt) 1998-10-30
DE4008998A1 (de) 1991-09-26
ES2047355T3 (es) 1994-02-16
PT97085A (pt) 1993-03-31
ATE98334T1 (de) 1993-12-15

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