EP0741826A1 - Isoliermatte mit einer lage mineralfasern - Google Patents

Isoliermatte mit einer lage mineralfasern

Info

Publication number
EP0741826A1
EP0741826A1 EP95906905A EP95906905A EP0741826A1 EP 0741826 A1 EP0741826 A1 EP 0741826A1 EP 95906905 A EP95906905 A EP 95906905A EP 95906905 A EP95906905 A EP 95906905A EP 0741826 A1 EP0741826 A1 EP 0741826A1
Authority
EP
European Patent Office
Prior art keywords
mat
mineral fibre
covering
fibres
mineral
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
EP95906905A
Other languages
English (en)
French (fr)
Other versions
EP0741826B1 (de
Inventor
Luis Jorgen Norgaard
Anders Ulf Clausen
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.)
Rockwool AS
Original Assignee
Rockwool International AS
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 Rockwool International AS filed Critical Rockwool International AS
Publication of EP0741826A1 publication Critical patent/EP0741826A1/de
Application granted granted Critical
Publication of EP0741826B1 publication Critical patent/EP0741826B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/001—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by provisions for heat or sound insulation
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4209—Inorganic fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/593—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives to layered webs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/7654—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings
    • E04B1/7658—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings comprising fiber insulation, e.g. as panels or loose filled fibres
    • E04B1/7662—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings comprising fiber insulation, e.g. as panels or loose filled fibres comprising fiber blankets or batts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/04—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
    • E04B9/045—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like being laminated
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/16—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of fibres, chips, vegetable stems, or the like
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B2001/7683—Fibrous blankets or panels characterised by the orientation of the fibres

Definitions

  • Insulating mat comprising a mineral fibre layer
  • the present invention relates to a rectangular insulating mat comprising a mineral fibre layer made from a single unit of mineral
  • Mats of the above mentioned type are i.a. used for the insulation of ceilings, walls and roofs and are advantageous in that they are shapable and consequently easy to adapt to the mounting sites.
  • IS the mats can be mounted completely or partially without cutting, which is undesirable as it is labour-intensive and as loose fibres are thereby released to the environment.
  • the object of the present invention is to provide an insulating mat of the type stated in the introductory part of claim 1 by which it is possible to reduce or eliminate the release of loose fibres to the surroundings caused by the compression of the mat.
  • the insulating mat according to the invention which is characterized in comprising an air-permeable covering which covers at least the predominant part of the two main surfaces of the mat and which is attached to the mat.
  • the mat according to the invention presents the advantage that due to the attachment of the covering to the mat only loose fibres from the cut surface formed will be released during the cutting of the mat. In contrast loose fibres from the entire surface of the mat are released during the cutting of a mat enclosed with a loose envelope, and this further involves the risk that the envelope will come off or be pulled off the mat completely.
  • the fact that the covering is attached to the mat instead of having the form of a loose envelope furthermore presents the advantage that it becomes easier to handle the mat as it is easier to get a grip of the mat, and the risk of tearing up the covering and the mineral fibre material during handling is considerably reduced.
  • the covering attached to the mat imparts an increased bending stiffness to the mat when the mat is located in a manner so as not to be fully supported and so that the covering is substantially stretched, e.g. located so as to be fixed between rafters in a slightly compressed state or located in such a manner that the ends of the mat rest on separate ceiling joists, in which case the mat will be deflected as a result of its own weight.
  • the covering will serve to reduce the deflection degree of the mat to the extent that the covering is stretched or will be stretched during the incipient deflection of the mat.
  • a loosely enclosing envelope will have no impact on the stiffness of the mat and, besides, such a covering will sag from a mat without a support, which is undesirable.
  • the mat according to the invention is advantageous in that it has a far better feel than a uncovered mat.
  • a commercially available mineral fibre product for the insulation of pipes, ducts and tanks comprises a rock fibre layer consisting of rod-shaped lamellae and an attached covering which on one main surface of the mat consists of heavy paper having a high air permeability and which on the other main surface of the mat consists of an air-permable layer of a non-woven material.
  • the rock fibres are located in planes perpendicular to the plane of the mat.
  • the mat according to the invention differs from the above mentioned prior art mat in that it is made from a single unit of mineral fibre material as opposed to a number of rod-shaped units, and that the entire covering is air-permeable and compressible in a direction parallel with the plane of the mat, whereas the prior art mat is compressible in the longitudinal direction of one of the main surfaces and rigid in the longitudinal direction of the other main surface, which properties make it suitable for covering curved surfaces.
  • matrix means a plate formed element
  • air permeable covering means a covering having an air resistance of less than 100 mm water column.
  • the covering used preferably has an air resistance of less than 50 mm water column and more preferably less than 25 mm water column.
  • the air resistance of a material is defined as the pressure drop across the material measured in mm water column when an air stream having a velocity of 0.186 m/s is conveyed towards the material in a direction perpendicular to the plane of the material.
  • the covering material used should have such an air permeability that the velocity at which the compression of the mat is effected in connection with its use is not reduced noticeably as compared to an uncovered mat and that it allows the mat to be machine-packaged under compression.
  • the mineral fibre material used for the mat according to the invention may be produced by converting a mineral melt into fibres, adding a binder to said fibres and causing them to form a fibre web which optionally is subjected to a vertical compression in order to arrange the fibres in planes parallel with the surface of the fibre web and subsequently subjecting the fibre web to a longitudinal compression to obtain a fibre web in which the fibres are predominantly located in planes substantially perpendicular to the plane of the mat.
  • Such a fibre web is more easily compressible in the longitudinal direction than both in the vertical and transverse direction.
  • the fibre web is cut in such a manner that the longitudinal direction of the mat corresponds to the transverse and longitudinal direction, respectively, of the fibre web.
  • a heat curable binder is preferably used, in which case the vertical and longitudinal compression is effected before the fibre web is subjected to a heat treatment for curing the binder.
  • An alternative method of producing a mineral fibre material suitable for the mat according to the invention consists in folding a web of mineral fibre material, in which the fibres are located in planes parallel with the plane of the web, so as to form foldings extending parallel with the transverse direction of the web.
  • the foldings may e.g. be formed by conveying the web through a cooperating pair of conveyor belts which are operated in such a manner that the conveyor belts having a fixed mutual spacing are caused to perform a vertical pendular movement of a constant amplitude at the outlet end.
  • a waved web is formed which is conveyed through two pairs of consecutively located, cooperating conveyor belts, the latter pair being driven at a lower speed than the former pair, and by means of which a longitudinal compression of the waved web is effected so as to form a folded web.
  • mineral fibres mean rock wool fibres, glass fibres, slag fibres and similar synthetic fibres made from mineral starting materials.
  • the mineral fibre material preferably consists of rock wool fibres and preferably has a density corresponding to a weight of between 15 kg/m 3 and 60 kg/m 3 .
  • the density is preferably between 10 and 60 kg/m 3 .
  • binder which is conventionally used in the production of mineral fibre products may be used as a binder.
  • a modified or unmodified phenol resin such as resol or novolak is preferably used.
  • the covering may be applied directly to the mineral fibre material, e.g. by spraying, as described in i.a. international application No.
  • the covering may be produced separately and subsequently be attached to the mineral fibre material by means of a layer of adhesive, by melting/welding or by sewing.
  • the covering is preferably made of a non-woven organic or inorganic material.
  • useful materials are materials of organic synthetic fibres, such as fibres of polyethylene, polypropylene, nylon and polyester.
  • the covering may have the form of a gauze of such fibres, e.g. a gauze with a weight of between 5 and 100 g/m 2 .
  • non-woven coverings made from natural fibres such as fibres of cellulose, flax, coconut, hemp and the like, are useful.
  • glas fibre gauze with a weight of between 10 and 100 g/m 2 made from glas fibres having a thickness of about 5-13 ⁇ m can be mentioned.
  • the covering may be made from mixtures or combinations of one or more of the above mentioned materials.
  • Perforated foils such as a polyethylene or polypropylene foil having a weight of from 10 to 150 g/m 2 or a metal foil, such as an aluminium foil, may be used as covering material instead of non-woven materials.
  • the perforated foil may have the form of a laminate, including a laminate consisting of a plastic foil and a paper layer or a plastic foil and a metal foil.
  • the covering material optionally contains a fire retardent agent which may be any known fire retardent agent, such as fire retarders containing halogen compounds, phosphor compounds or substances containing water or releasing water when exposed to heat.
  • a fire retardent agent which may be any known fire retardent agent, such as fire retarders containing halogen compounds, phosphor compounds or substances containing water or releasing water when exposed to heat.
  • said layer of adhesive may have the form of an air permeable, fully adhered layer, i.e. a layer covering substantially all the contact points between the covering material and the mineral fibre material, or it may have the form of separate zones of any form as well as bands, threads, stripes, dots or rows of dots.
  • an adhesive layer in the form of bands, stripes or rows of dots extending perpendicularly to the direction in which the mat is most easily compressible.
  • a preferred method of attaching the covering to the mineral fibre material consists in contacting pieces of the covering material with the surface of the mineral fibre material prior to the heat curing of the binder, and subsequently heat curing the binder.
  • the binder particles located close to the surface of the mineral fibre layer form bonds between the covering and the mineral fibre layer and thereby bind the former to the latter.
  • the method presents the advantage that use of an adhesive can be avoided, and as a result thereof the calorific value of the finished mat is reduced and the fire properties of the mat is thus improved.
  • said covering is preferably made from a material having a high flexibility so that the covering does not reduce the compressibility of the mat to an unexpedient degree.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • Textile Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Laminated Bodies (AREA)
  • Building Environments (AREA)
  • Nonwoven Fabrics (AREA)
  • Glass Compositions (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
EP95906905A 1994-01-28 1995-01-24 Isoliermatte mit einer lage mineralfasern Expired - Lifetime EP0741826B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DK12794 1994-01-28
DK127/94 1994-01-28
DK12794 1994-01-28
PCT/DK1995/000033 WO1995020707A1 (en) 1994-01-28 1995-01-24 Insulating mat comprising a mineral fibre layer

Publications (2)

Publication Number Publication Date
EP0741826A1 true EP0741826A1 (de) 1996-11-13
EP0741826B1 EP0741826B1 (de) 2001-04-25

Family

ID=8090052

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95906905A Expired - Lifetime EP0741826B1 (de) 1994-01-28 1995-01-24 Isoliermatte mit einer lage mineralfasern

Country Status (9)

Country Link
EP (1) EP0741826B1 (de)
AT (1) ATE200812T1 (de)
AU (1) AU1532395A (de)
CZ (1) CZ292903B6 (de)
DE (1) DE69520784T2 (de)
HU (1) HUT75222A (de)
PL (1) PL315656A1 (de)
SK (1) SK284382B6 (de)
WO (1) WO1995020707A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998057000A1 (en) 1997-06-13 1998-12-17 Rockwool Limited Fire stops for use in buildings
DE59810045D1 (de) * 1997-07-31 2003-12-04 Thueringer Daemmstoffwerke Gmb Dämmelement aus Mineralwolle und Verfahren zur seinen Herstellung
GB2329864A (en) * 1997-10-01 1999-04-07 Kenneth Hughes Williams Insulating material
EP0939173B2 (de) * 1998-02-28 2010-10-27 Deutsche Rockwool Mineralwoll GmbH & Co. OHG Verfahren zur Herstellung einer Dämmstoffplatte aus Mineralfasern und Dämmstoffplatte
GB2393456B (en) * 2002-09-26 2005-11-16 Trade Fabrication Systems Ltd A wall panel
US20050284065A1 (en) * 2004-06-02 2005-12-29 Shaffer Roy E Faced fibrous insulation
PL412081A1 (pl) * 2015-04-21 2016-10-24 Tabor Aneta Tomisol Mata izolacyjna lamelowa i linia produkcyjna do wytwarzania maty izolacyjnej lamelowej
US20230027875A1 (en) * 2021-07-23 2023-01-26 Whirlpool Corporation Scrim layer on insulation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR938294A (fr) * 1944-11-08 1948-09-09 Owens Corning Fiberglass Corp élément de construction
US3230995A (en) * 1960-12-29 1966-01-25 Owens Corning Fiberglass Corp Structural panel and method for producing same
BE789716A (fr) * 1971-10-05 1973-02-01 Rockwool As Panneaux isolants et leur fabrication
GB9004018D0 (en) * 1990-02-22 1990-04-18 Siderise Ltd Manufacture of mineral fibre products in layer form
DK135391D0 (da) * 1991-07-15 1991-07-15 Rockwool Int Isolationselement og isolationslag sammensat af saadanne elementer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9520707A1 *

Also Published As

Publication number Publication date
HUT75222A (en) 1997-04-28
PL315656A1 (en) 1996-11-25
SK97496A3 (en) 1997-05-07
HU9602049D0 (en) 1996-09-30
CZ292903B6 (cs) 2004-01-14
EP0741826B1 (de) 2001-04-25
AU1532395A (en) 1995-08-15
DE69520784D1 (de) 2001-05-31
WO1995020707A1 (en) 1995-08-03
DE69520784T2 (de) 2001-08-09
CZ209496A3 (en) 1997-03-12
SK284382B6 (sk) 2005-02-04
ATE200812T1 (de) 2001-05-15

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