EP2615235A1 - Verfahren zur Herstellung eines Rahmenprofils für eine feuerfeste Tür - Google Patents

Verfahren zur Herstellung eines Rahmenprofils für eine feuerfeste Tür Download PDF

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Publication number
EP2615235A1
EP2615235A1 EP12000128.4A EP12000128A EP2615235A1 EP 2615235 A1 EP2615235 A1 EP 2615235A1 EP 12000128 A EP12000128 A EP 12000128A EP 2615235 A1 EP2615235 A1 EP 2615235A1
Authority
EP
European Patent Office
Prior art keywords
groove
intumescent material
frame profile
frame
binder
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.)
Ceased
Application number
EP12000128.4A
Other languages
English (en)
French (fr)
Inventor
designation of the inventor has not yet been filed The
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.)
RF Technologies NV SA
Original Assignee
RF Technologies NV SA
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 RF Technologies NV SA filed Critical RF Technologies NV SA
Priority to EP12000128.4A priority Critical patent/EP2615235A1/de
Priority to EP13150807.9A priority patent/EP2626501A1/de
Publication of EP2615235A1 publication Critical patent/EP2615235A1/de
Ceased 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
    • 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
    • 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 present invention relates to a profile for the manufacturing of a frame of fire resistant doors.
  • GB 1,377,059 wherein the frame profile is manufactured by laminating fire-resistant plywood alternated with strips of intumescent material ("foaming strips").
  • the present invention concerns a method for manufacturing a frame profile for a fire resistant door, said method comprising:
  • the present invention further concerns frame profile for a fire resistant door, said profile comprising:
  • the present invention concerns a door comprising a frame profile as identified above, whereby the groove with the intumescent material provided therein is situated at the outer periphery of the door frame.
  • the solid beam is manufactured out of a solid body, preferably of a composite comprising wood.
  • the groove provided in the solid beam has a depth/width ratio of 1 or more, preferably 1,5 or more, most preferably 2 or more.
  • the width of the groove is preferably 7mm broad or less.
  • a preferred intumescent material used with a method according to the present invention comprises graphite.
  • the frame profile of the present invention preferably lacks a decorative strip or masking strip covering the groove comprising the intumescent material.
  • Figure 1 represents a fire resistant door 1 comprising a frame 2 surrounding a core 3 fixed in said frame 2.
  • the frame comprises vertical styles and horizontal beams further referred to as frame profiles 4.
  • the frame profiles 4 are provided with a groove 5 at the outer periphery of the frame, which grooves 5 extend in the longitudinal direction of the frame profiles 4 and preferably over the entire length of each profile 4.
  • the groove 5 has a depth (D)/width (W) ratio of 1 or more, more preferably 1,5 or more and most preferably 2 or more.
  • the width (W) of each groove 5 - measured at the outer peripheral surface of the frame profile- is preferably less than 7 mm broad.
  • each profile can be provided with a plurality of grooves 5 as represented in figures 3 to 5 .
  • intumescent material is defined as one that undergoes a chemical change when exposed to heat or flames, becoming viscous then forming expanding bubbles that harden into a dense, heat insulating multicellular char.
  • Intumescent material that can be applied is for example a composition comprising (expandable) graphite and a polymeric binder.
  • a method for manufacturing the above frame profile comprises the steps of:
  • the intumescent material may be made by preparing a mixture of the expandable graphite, the polymeric binder and a liquid and causing or allowing the mixture to harden.
  • the binder may either be a flexible or elastomeric binder or a thermosetting formaldehyde resin.
  • the binder is a flexible or elastomeric binder
  • he graphite is preferably present in an amount of 15 to 60% by weight based on the combined weight of the binder and graphite, while the binder and the graphite are present in a total amount of at least 70% by weight based on the weight of the intumescent material.
  • the intumescent material may comprise a plasticizer in an amount that preferably does not exceed 15% by weight based on the weight of the intumescent material.
  • a suitable plasticizer is dibutyl phthalate.
  • the intumescent material may be made by preparing a mixture of the expandable graphite, the polymeric binder and water and causing or allowing the mixture to harden. Hardening may occur at least in part due to evaporation of water.
  • the flexible binder may be or comprise a polymer selected from vinyl acetate polymers, styrene polymers, vinyl chloride polymers, acrylic polymers, vinyl butyral polymers, melamine/urea/phenol formaldehyde resins, polyesters and phenolic resins.
  • the intumescent material may be made by preparing a mixture of the expandable graphite and a liquid emulsion or dispersion of the elastomeric binder and causing or allowing the mixture to cure by coagulation or cross-linking of the elastomeric binder.
  • Suitable emulsions or dispersions of the elastomeric binder may comprise Neoprene latex 115 and Neoprene latex 671. These latices are marketed by Du Pont.
  • Neoprene latex 115 is described as a chloroprene copolymer with carboxyl functionality of pH 7.
  • Neoprene latex 671 is described as polychloroprene in anionic colloidal system, pH 12.5. It may be advantageous to add one or more organic accelarators such as thiocarbanilide, diphenylguanidine or hexamethylenediamine to the emulsion or dispersion of the elastomer,
  • the thermosetting binder may be, for example, melamine formaldehyde resin, urea formaldehyde resin, phenol formaldehyde resin, resorcinol formaldehyde resin or a mixture of two or more of these resins.
  • Melamine formaldehyde resin is particularly preferred as the thermosetting binder because it provides an intumescent material which can intumesce smoothly and free of sputtering of graphite particles.
  • the thermosetting binder may incorporate a minor proportion of one or more of the flexible polymers referred to above in order to improve the flexural properties and to reduce shrinkage of the binder.
  • the intumescent material may comprise 20 to 60% by weight of melamine formaldehyde resin as the binder (calculated as uncross-linked resin) and 10 to 50%, more preferably 10 to 40%, by weight of the expandable graphite.
  • the amount of the expandable graphite is in the range of 20 to 60% by weight based on the total weight of the binder and graphite.
  • the intumescent material may be made by preparing a mixture of the expandable graphite and the binder and causing or allowing the mixture to harden by curing or cross-linking of the binder.
  • the intumescent material may expand, forming a solid foam or puff, to 8 to 25 times its original volume on heating to elevated temperature.
  • the intumescent material may further comprise one or more reinforcing agents and/or fillers.
  • Such reinforcing agents and fillers may be selected from glass fibre, cellulose-based fibre, chopped tissue, rockwool, china clay, chalk, gypsum, silicas and mineral silicates e.g. calcium silicate.
  • Hardening or curing may be effected at ambient temperature However, it may often be preferable to effect curing at elevated temperature, such as 50 DEG to 60 DEG C., such temperature obviously having to be kept below a temperature at which intumescence of the graphite or rapid dissolution of dissolved air (which would cause bubbles to form in the liquid mixture) would occur.
  • elevated temperature such as 50 DEG to 60 DEG C.
  • curing is effected generally mainly by evaporation of water (or other liquid).
  • curing may occur additionally or alternatively by cross-linking of the polymeric binder.
  • the binder is a rubber
  • one or more compounds selected from oxides and salts of metals, such as zinc may be used to accelerate hardening of the rubber.
  • Zinc borate is a suitable zinc salt for this purpose.
  • the mixture may further comprise a catalyst to improve and/or accelerate hardening of the intumescent material.
  • a catalyst include hydrochloric acid, sulphuric acid, phosphoric acid, organic acids such as formic acid, acetic acid, maleic acid, malic acid, tartaric acid and citric acid, ammonium phosphates and alkali metal phosphates.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
EP12000128.4A 2012-01-11 2012-01-11 Verfahren zur Herstellung eines Rahmenprofils für eine feuerfeste Tür Ceased EP2615235A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP12000128.4A EP2615235A1 (de) 2012-01-11 2012-01-11 Verfahren zur Herstellung eines Rahmenprofils für eine feuerfeste Tür
EP13150807.9A EP2626501A1 (de) 2012-01-11 2013-01-10 Verfahren zur Herstellung eines Rahmenprofils für eine feuerfeste Tür

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12000128.4A EP2615235A1 (de) 2012-01-11 2012-01-11 Verfahren zur Herstellung eines Rahmenprofils für eine feuerfeste Tür

Publications (1)

Publication Number Publication Date
EP2615235A1 true EP2615235A1 (de) 2013-07-17

Family

ID=45507395

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12000128.4A Ceased EP2615235A1 (de) 2012-01-11 2012-01-11 Verfahren zur Herstellung eines Rahmenprofils für eine feuerfeste Tür

Country Status (1)

Country Link
EP (1) EP2615235A1 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1377059A (en) 1972-06-23 1974-12-11 Micropore International Ltd Fire-proof structures
BE1011525A3 (nl) 1997-10-31 1999-10-05 Houtconstructies Wyckaert Nv Brandwerende poort.
US6115976A (en) 1999-09-20 2000-09-12 Wood Door Products, Inc. Door edge assembly for creating a smoke seal about a closed door mounted within a door frame
WO2008030087A1 (en) * 2006-09-05 2008-03-13 Wijnveld B.V. Fire-resistant door and method for the manufacture of an edge beam, a reinforcement strip and glazing beams for that door
GB2450728A (en) * 2007-07-04 2009-01-07 Jeld Wen Uk Ltd Fire resistant door

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1377059A (en) 1972-06-23 1974-12-11 Micropore International Ltd Fire-proof structures
BE1011525A3 (nl) 1997-10-31 1999-10-05 Houtconstructies Wyckaert Nv Brandwerende poort.
US6115976A (en) 1999-09-20 2000-09-12 Wood Door Products, Inc. Door edge assembly for creating a smoke seal about a closed door mounted within a door frame
WO2008030087A1 (en) * 2006-09-05 2008-03-13 Wijnveld B.V. Fire-resistant door and method for the manufacture of an edge beam, a reinforcement strip and glazing beams for that door
GB2450728A (en) * 2007-07-04 2009-01-07 Jeld Wen Uk Ltd Fire resistant door

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