NO134461B - - Google Patents
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- Publication number
- NO134461B NO134461B NO649/73A NO64973A NO134461B NO 134461 B NO134461 B NO 134461B NO 649/73 A NO649/73 A NO 649/73A NO 64973 A NO64973 A NO 64973A NO 134461 B NO134461 B NO 134461B
- Authority
- NO
- Norway
- Prior art keywords
- strips
- mat
- mineral wool
- stated
- compression
- Prior art date
Links
- 239000011490 mineral wool Substances 0.000 claims description 71
- 230000006835 compression Effects 0.000 claims description 24
- 238000007906 compression Methods 0.000 claims description 24
- 239000000835 fiber Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 239000011230 binding agent Substances 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims description 12
- 239000002344 surface layer Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000005304 joining Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 4
- 210000000056 organ Anatomy 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 239000011152 fibreglass Substances 0.000 claims 1
- 238000009987 spinning Methods 0.000 description 14
- 239000004033 plastic Substances 0.000 description 13
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000005755 formation reaction Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 239000000123 paper Substances 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 229920002522 Wood fibre Polymers 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002655 kraft paper Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000002025 wood fiber Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D53/00—Machines or devices for sawing with strap saw-blades which are effectively endless in use, e.g. for contour cutting
- B23D53/005—Machines or devices for sawing with strap saw-blades which are effectively endless in use, e.g. for contour cutting with a plurality of band saw blades or band saw blades having plural cutting zones, e.g. contiguous oppositely-moving saw blade portions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B25/00—Feeding devices for timber in saw mills or sawing machines; Feeding devices for trees
- B27B25/04—Feeding devices for timber in saw mills or sawing machines; Feeding devices for trees with feed chains or belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
- B32B19/06—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- D04H1/42—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
- D04H1/4218—Glass fibres
- D04H1/4226—Glass fibres characterised by the apparatus for manufacturing the glass fleece
-
- 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
- D04H1/64—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 the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
- D04H1/645—Impregnation followed by a solidification process
-
- 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
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/74—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being orientated, e.g. in parallel (anisotropic fleeces)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/20—All layers being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
- B32B2315/08—Glass
- B32B2315/085—Glass fiber cloth or fabric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
- B32B2315/14—Mineral wool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2471/00—Floor coverings
- B32B2471/04—Mats
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Laminated Bodies (AREA)
- Nonwoven Fabrics (AREA)
- Treatment Of Fiber Materials (AREA)
Description
Mineralull fremstilles slik at man i en spinnemaskin tilveie-bringer dannelse av fine fibre av smeltet mineral, f.eks. glass, sten, slagg e.l., hvilke av en vifte kastes ut mot et vandrende bånd, på hvilket fibrene samles opp. På vei fra spinnemaskinen til båndet eller eventuelt på selve båndet besproytes fibrene med forskjellige væskeformede produkter. Av og til tilsettes en olje for å binde stov frembragt ved spinningen og for å gi fibrene hydrofobe egenskaper, og som regel tilsettes et bindemiddel, beregnet på å fiksere fibermassen til en viss form. Bindemiddelet er vanligvis av plasttype og virker slik at fibrene fikseres til hverandre i beroringspunktene. Bindemiddelet stabiliseres ved varmebehandling. Varmebehandlingen har til formål ved fordampning å fjerne eventuelt forekommende vann, å herde bindemiddelet, hvis dette består av en herdeplast eller å smelte det hvis det består av en termoplast. Mineral wool is produced in such a way that, in a spinning machine, the formation of fine fibers of molten mineral, e.g. glass, stone, slag etc., which are thrown out by a fan towards a traveling belt, on which the fibers are collected. On the way from the spinning machine to the belt or possibly on the belt itself, the fibers are sprayed with various liquid products. Occasionally, an oil is added to bind lint produced during spinning and to give the fibers hydrophobic properties, and as a rule a binding agent is added, designed to fix the fiber mass into a certain shape. The binder is usually of the plastic type and acts so that the fibers are fixed to each other at the points of contact. The binder is stabilized by heat treatment. The purpose of the heat treatment is, by evaporation, to remove any water present, to harden the binder, if it consists of a thermosetting plastic or to melt it if it consists of a thermoplastic.
Under forlopet fra spinnemaskinen til båndet danner fibrene sloyfer og bukter, og når disse felles ned på båndet, lagrer de During the course from the spinning machine to the belt, the fibers form loops and bends, and when these fall onto the belt, they store
seg med buktens eller sloyfens plan helt eller mer eller mindre nesten parallelt med båndets plan. Derved oppstår en sterkt ut-preget skiktdannelse i den fremstilte mineralullmatte, hvilken forer til at denne blir meget komprimerbar i retning vinkelrett på sitt eget plan men vesentlig meget mindre komprimerbar i alle forskjellige retninger som faller parallelt med mineralullmattens plan. itself with the plane of the bay or sloyf completely or more or less almost parallel to the plane of the band. Thereby, a strongly pronounced layer formation occurs in the manufactured mineral wool mat, which leads to this becoming very compressible in a direction perpendicular to its own plane but significantly much less compressible in all different directions that fall parallel to the plane of the mineral wool mat.
For adskillige formål er kanhende denne egenskap onskelig og nyttig men for andre formål er den avgjort skadelig. Man kan som eksempel på et tilfelle hvor komprimerbarheten er skadelig, nevne anvendelsen av mineralullmatten som isolering omkring ror, cisterner og lignende, hvilke inneholder medier som med hensyn til temperatur skiller seg vesentlig fra omgivelsene. Ved vikling av en mineralullmatte av foran angitte slag rundt f.eks. et ror trekkes nemlig de ytre sjikt sammen i periferien retning, hvilket forer til kompresjon av materialet og redusert isolasjonsvirkning. Et annet eksempel er anvendelsen som isola-sjon i gulv og bjelkelag, hvor man må kunne belaste mineralullmatten i retning vinkelrett på dens plan uten at den trykkes sammen. Ved anbringelsen av en mineralullmatte i et bjelkelag for varmeisolasjon av dette, hvorved matten kan bli belastet med en kraft som virker vinkelrett på dens plan, trykkes den likeledes sammen og får mindre tykkelse men oker i tetthet. Mineralullmatten får derved mindre isolasjonsevne på grunn av dens reduserte tykkelse, men samtidig oker det spesifikke iso-lasjonstall litt på grunn av tetthetsokningen. For several purposes this characteristic may be desirable and useful, but for other purposes it is decidedly harmful. As an example of a case where the compressibility is harmful, the use of the mineral wool mat as insulation around rudders, cisterns and the like, which contain media whose temperature differs significantly from the surroundings, can be mentioned. When wrapping a mineral wool mat of the type specified above around e.g. a rudder, namely the outer layers are pulled together in the peripheral direction, which leads to compression of the material and reduced insulation effect. Another example is the application as insulation in floors and joists, where it must be possible to load the mineral wool mat in a direction perpendicular to its plane without it being pressed together. When placing a mineral wool mat in a joist layer for thermal insulation thereof, whereby the mat can be loaded with a force that acts perpendicular to its plane, it is likewise pressed together and becomes less thick but increases in density. The mineral wool mat thereby has less insulating capacity due to its reduced thickness, but at the same time the specific insulation figure increases slightly due to the increase in density.
Mange andre eksempler ville kunne anfores. Man har med full klarhet angående disse forhold allerede foreslått avvekslende å skjære opp mineralullmatten fra den ene og fra den andre side idet en del av mineralullmatten blir værende i ikke oppskåret stand samt derpå å brette mineralullmatten avvekslende i den ene og den andre retning om de gjenværende, ikke gjennornskårne deler, slik at mineralullmatten antar siksakform. Denne kjente fremgangsmåte forer imidlertid til at en viss spenst opptrer ved hvert omboyningssted, og denne spenst forer igjen til at en til-boyelighet oppstår til langsgående hulrom ved brettestedene, slik at matten ikke vil henge godt sammen. Det er allerede blitt foreslått efter herdingen av mineralullmatten å dele denne opp i fra hverandre adskilte strimler, hvilke er blitt vendt 90° omkring sin egen lengdeakse og derefter er blitt sammenfoyet, slik at man har fått hva man kaller et lamellprodukt. Isteden-for å vende strimlene 90° om lengdeaksen, kan man med samme virkning omorientere dem på annen måte. Sammenføyningen har som regel skjedd samtidig på to forskjellige måter eller i det minste i hvert enkelt tilfelle på én av de to forskjellige måter. Man har således enten limt undersiden av lamellene mot et underlag, f.eks. et sjikt av kraftpapir eller en hensiktsmessig trefiberplate og/eller man har limt sammen de mot hverandre vendte sider av mineralull-lamellene til en plan formasjon. Many other examples could be cited. With full clarity regarding these conditions, it has already been proposed to alternately cut open the mineral wool mat from one side and from the other, with part of the mineral wool mat remaining in an uncut state, and then to fold the mineral wool mat alternately in one and the other direction about the remaining , not re-cut parts, so that the mineral wool mat assumes a zigzag shape. However, this known method leads to a certain resilience occurring at each folding point, and this resilience in turn leads to a tendency to create longitudinal cavities at the folding points, so that the mat will not hang together well. It has already been proposed, after the mineral wool mat has hardened, to divide it into separate strips, which have been turned 90° around their own longitudinal axis and then joined together, so that what is called a lamellar product has been obtained. Instead of turning the strips 90° about the longitudinal axis, they can be reoriented in another way with the same effect. The joining has usually taken place simultaneously in two different ways or at least in each individual case in one of the two different ways. One has thus either glued the underside of the slats to a substrate, e.g. a layer of kraft paper or a suitable wood fiber board and/or you have glued together the opposite sides of the mineral wool slats into a flat formation.
De nevnte limemetoder krever omkostninger og arbeide og fordyrer derved det fremstilte produkt. De aktuelle limtyper er som regel brennbare, og man har således i det i og for seg ikke brennbare materiale som danner mineralullmattens effektive masse, innfoyet et brennbart materiale, hvilket oker mineralullmattens brennbarhet. Anvendes papir er jo også dette brennbart. The aforementioned gluing methods require costs and work and thereby make the manufactured product more expensive. The types of glue in question are usually flammable, and thus a flammable material has been inserted into the non-flammable material that forms the effective mass of the mineral wool mat, which increases the flammability of the mineral wool mat. If paper is used, this is also flammable.
Foreliggende oppfinnelse har forst og fremst til formål å unngå limefremgangsmåten ifolge dén hittil anvendte metode ved fremstilling av lamellerte mineralullmatter eller -plater. Oppfinnelsen baserer seg nemlig på en iakttagelse, nemlig at det med fordel ved overholdelse av visse særskilte forsiktighetsregler er mulig å tilveiebringe lamellert konsistens av mineralullmatten allerede for den er blitt herdet. Hvis man vender på kant eller på annen måte omorienterer de fra hverandre skilte strimler og presser dem mot hverandre, for den derved dannede mineralullmatte innfores i herdeseksjonen, tjener det tilforte bindemiddel, vanligvis en herdbar plast, som bindemiddel samtidig mellom fibrene i det indre av strimlene og mellom strimlene, og man får en kontinuerlig mineralullmatte, hvor fibrene er orientert stort sett på tvers av mattens plan og uten at man har behovt å til-jfore hverken lim eller papir. Hvis man imidlertid skulle fore strimlene sammen i den vendte stilling i retning mot herdeapparaturen uten at hver enkelt strimmel i pakken befinner seg under det ved kompresjon frembragte trykk, ville strimlene kunne skil-les fra hverandre, de ville kunne anta en i sideretning boyet formasjon, og sammenholdet innenfor pakken ville i vesentlig utstrekning kunne gå tapt. Oppfinnelsen vedrorer derfor også opprettholdelse av trykket i strimlene i retning av den blivende pakkes plan under hele dennes vei frem til herdeapparaturen. The present invention primarily aims to avoid the gluing process according to the method used until now when producing laminated mineral wool mats or sheets. The invention is based on an observation, namely that it is advantageous, by observing certain special precautions, to provide a laminated consistency of the mineral wool mat already before it has been hardened. If one turns on edge or otherwise reorients the separated strips and presses them against each other, for the resulting mineral wool mat is inserted into the curing section, the added binder, usually a curable plastic, serves as a binder simultaneously between the fibers in the interior of the strips and between the strips, and you get a continuous mineral wool mat, where the fibers are oriented largely across the plane of the mat and without the need to add either glue or paper. If, however, the strips were to be brought together in the facing position in the direction of the curing apparatus without each individual strip in the package being under the pressure produced by compression, the strips could be separated from each other, they would be able to assume a sideways bent formation, and cohesion within the package could be largely lost. The invention therefore also relates to maintaining the pressure in the strips in the direction of the plane of the remaining package during its entire path to the curing apparatus.
Oppfinnelsen vedrorer således en fremgangsmåte for fremstilling av matter eller plater av tverrlaminert mineralull idet man går ut fra spunnet og i det minste med fikseringsmiddel impregnert mineralull i form av en kontinuerlig lopende matte. Den dannede matte deles opp i fra hverandre helt adskilte strimler, og disse omorienteres ved å vendes ved vridning. De ligger tla parallelt og inntil hverandre, forskrudd i det minste stort sett 90° om lengdeaksen, slik at de ligger med snittflatene i sairane plan, hvorpå de innordnes i et parallelt forlop tett The invention thus relates to a method for producing mats or sheets of cross-laminated mineral wool starting from spun and at least fixative-impregnated mineral wool in the form of a continuously running mat. The formed mat is divided into completely separate strips, and these are reoriented by turning by twisting. They lie tla parallel and next to each other, twisted at least by 90° about the longitudinal axis, so that they lie with their cut surfaces in the same plane, after which they are arranged in a parallel course closely
inntil hverandre i en slik retning at de vil ligge side mot side. next to each other in such a direction that they will lie side by side.
Ifolge oppfinnelsen skjer oppdelingen av matten i strimler for herdingen av fikseringsmidlet men efterat matten er blitt komprimert, og omorienteringen av strimlene skjer forst derpå. I omorientert stilling tilfores strimlene til et apparat for herding av fikseringsmiddelet, slik at dette samtidig vil tjene som bindemiddel mellom de enkelte fibre og som bindemiddel mellom strimlene. Strimlene innmates ved sin forskruning mellom parvis samvirkende transportbånd, anordnet for å oppta hver strimmel fra oppdelingsanordningen og å forskru den med i det minste stort sett 90° samt å overfore strimlene til innbyrdes parallelle According to the invention, the division of the mat into strips takes place for the curing of the fixing agent, but after the mat has been compressed, and the reorientation of the strips only takes place afterwards. In the reoriented position, the strips are fed to a device for curing the fixing agent, so that this will simultaneously serve as a binding agent between the individual fibers and as a binding agent between the strips. The strips are fed by twisting between pairs of cooperating conveyor belts, arranged to receive each strip from the dividing device and to twist it by at least substantially 90° and to transfer the strips to mutually parallel
stillinger inntil hverandre frem til-herdeapparatet. positions next to each other until the curing device.
Ved denne fremgangsmåte oppnår man den store fordel at strimlene befinner seg under kontinuerlig kompresjon, slik at i det indre av den enkelte strimmel kan ingen omorientering av fibrene With this method, one achieves the great advantage that the strips are under continuous compression, so that in the interior of the individual strip no reorientation of the fibers can
finne sted utover den, som har skjedd ved kompresjonen, og denne ! kompresjon opprettholdes helt til det tilfelle, når strimlene passerer gjennom herdeapparatet, slik at samtidig binding i det take place beyond that which has occurred during the compression, and this ! compression is maintained until the case, when the strips pass through the curing apparatus, so that simultaneous bonding in it
lindre av strimlene og mellom strimlene finner sted. easing off the strips and between the strips takes place.
Oppfinnelsen vil bli beskrevet nærmere nedenfor i forbindelse med et på tegningene vist utforelseseksempel. Det er imidlertid underforstått at oppfinnelsen ikke er begrenset til dette spesi-elle utforelseseksempel, idet mange forskjellige modifikasjoner av dette kan forekomme innenfor oppfinnelsens ramme. The invention will be described in more detail below in connection with an embodiment shown in the drawings. It is understood, however, that the invention is not limited to this particular embodiment, as many different modifications of this can occur within the scope of the invention.
På tegningene viser fig. 1 et prinsippskjema for en anordning for fremstilling av tverrorientert mineralull ifolge foreliggende oppfinnelse, mens fig. 2 viser en skjematisk detaljskisse av spinneapparaturen. In the drawings, fig. 1 a schematic diagram of a device for the production of transversely oriented mineral wool according to the present invention, while fig. 2 shows a schematic detailed sketch of the spinning apparatus.
Fig. 3 viser en tilsvarende skisse av dele- og vendeapparaturen, Fig. 3 shows a corresponding sketch of the dividing and turning apparatus,
og fig. 4 viser en tilsvarende skisse av herdeapparaturen i et anlegg ifolge fig. 1. and fig. 4 shows a corresponding sketch of the curing apparatus in a plant according to fig. 1.
I fig. 1 er en kupolovn for smelting av mineralet betegnet 10. En stråle av mineralsmelten 11 renner ned mot spinneanordningen, som i dette tilfelle vises med bare ett spinnehul 12, selv om som regel flere i kaskade efter hverandre anordnede spinnehjul vil være mere formålstjenlig. Spinnehjulene som således i fig. 1 representeres av hjulet 12, roterer med stor hastighet, og på grunn av sentrifugalkraften slynges den seige mineralsmelte ut i form av fine tråder 13. Disse besproytes f.eks. på sin vei mot oppsamlingsanordningen med en opplosning av en plast, som ved oppvarming forer til fordampning av opplosningsmiddelet og derved binder sammen de enkelte mineralfibre i deres krysningspunkter. Plastdusjen tilfores ved hjelp av et munnstykke 14. In fig. 1 is a cupola furnace for melting the mineral designated 10. A jet of mineral melt 11 flows down towards the spinning device, which in this case is shown with only one spinning hole 12, although as a rule several spinning wheels arranged in cascade one after the other would be more expedient. The spinning wheels which thus in fig. 1 is represented by the wheel 12, rotates at high speed, and due to the centrifugal force the tough mineral melt is ejected in the form of fine threads 13. These are sprayed, e.g. on its way towards the collection device with a dissolution of a plastic, which when heated leads to evaporation of the solvent and thereby binds together the individual mineral fibers at their crossing points. The plastic shower is fed using a nozzle 14.
På denne måte impregnert med en stadig i flytende tilstand forekommende plastopplosning når mineralullen til et bånd 15, på hvilket den avleires under innvirkning av en vifte 16, som suger luft gjennom båndet 15 ned i en sugekasse 17. Båndet er fortrinnsvis utfort som endelost bånd, som beveger seg over to valser 18, 19, av hvilke den ene er motordrevet (ikke vist på tegningen). På båndet lagres derved en los ansamling av sterkt sjiktet mineralull i form av en matte 20, som hensiktsmessig kan komprimeres ved trykk fra en pressvalse 21. I eventuelt komprimert, ennu ikke herdet og sterkt elastisk tilstand passerer mineralullmatten ut i form av matten 22. Impregnated in this way with a constantly liquid plastic solution, the mineral wool reaches a band 15, on which it is deposited under the influence of a fan 16, which sucks air through the band 15 into a suction box 17. The band is preferably laid out as an endless band, which moves over two rollers 18, 19, one of which is motor-driven (not shown in the drawing). A loose accumulation of strongly layered mineral wool is thereby stored on the belt in the form of a mat 20, which can suitably be compressed by pressure from a press roller 21. In a possibly compressed, not yet hardened and highly elastic state, the mineral wool mat passes out in the form of the mat 22.
Umiddelbart efterat matten har forlatt båndet 15, kommer den Immediately after the mat has left the belt 15, it arrives
inn i området for deleorganene 23. Disse er vist i form av sager. Flere slike sager er anordnet ved siden av hverandre, slik at de skjuler hverandre, og folgelig sees bare én slik sag på fig. 1. Delingen behover selvsagt ikke skje i plan, hvilket man oppnår ved hjelp av sager 23. Matten deles imidlertid på denne måte opp i et antall strimler, som vandrer inn i et vendeapparat. Dette består for hver strimmel av to avgivende valser 24, 25, som er anordnet med horisontale aksler, samt to mottagende valser 26 og 27, som er anordnet med vertikale aksler. Et endelost bånd 28 loper over valsene 24 og 26, mens et andre endelost bånd 29 loper over valsene 25 og 27. Disse bånd 28 og 29 vil således mellom seg fange opp mineralullstrimmelen og vende denne ved den forskruning som båndene underkastes på sin vei fra valsene 24, 25 til valsene 26, 27. into the area of the dividing organs 23. These are shown in the form of saws. Several such saws are arranged next to each other, so that they hide each other, and consequently only one such saw is seen in fig. 1. The division does not of course need to take place in a plane, which is achieved with the help of saws 23. However, the mat is divided in this way into a number of strips, which travel into a turning device. This consists for each strip of two emitting rollers 24, 25, which are arranged with horizontal axes, and two receiving rollers 26 and 27, which are arranged with vertical axes. An endless belt 28 runs over the rollers 24 and 26, while a second endless belt 29 runs over the rollers 25 and 27. These belts 28 and 29 will thus between them catch the mineral wool strip and turn it by the twisting that the belts undergo on their way from the rollers 24, 25 to rollers 26, 27.
Hvis kompresjon av strimlene er foretatt, beholder disse If compression of the strips has been carried out, retain these
under sin bevegelse mellom båndene 28, 29 stadig denne kompresjon, som er bibragt dem ved hjelp av valsen 21, men de har en tilbøyelighet til å utvide seg elastisk i en retning, som på båndtransportoren 15 virket vertikalt, men som på grunn av strimmelens vending mellom båndene 28, 29 på en efter valsene 26, 27 folgende transportor 30 vil virke horisontalt. Derved presses de inntil hverandre liggende strimler mot hverandre, during their movement between the belts 28, 29 constantly this compression, which is imparted to them by means of the roller 21, but they have a tendency to expand elastically in a direction which on the belt conveyor 15 acted vertically, but which due to the turning of the strip between the bands 28, 29 on a conveyor 30 following the rollers 26, 27 will act horizontally. Thereby, the adjacent strips are pressed against each other,
når de ved hjelp av den over valsene 31, 32 bevegelige, endelose transportor 30 mates gjennom en ovn 33, i hvilken herdingen av det av munnstykket 14 påsproytede plastmateriale finner sted, f.eks. ved gjennomblåsing med varm gass. Tidligere var det vanlig å herde plasten umiddelbart efter at mineralullen hadde passert båndet 15, men i foreliggende tilfelle skjer herdingen således forst efter oppdeling i strimler og disses vending. when, by means of the endless conveyor 30 moving over the rollers 31, 32, they are fed through an oven 33, in which the hardening of the plastic material sprayed on by the nozzle 14 takes place, e.g. by blowing through with hot gas. In the past, it was common to harden the plastic immediately after the mineral wool had passed the band 15, but in the present case, the hardening thus takes place only after division into strips and their turning.
Det er tidligere kjent å sproyte på en plastopplosning på en måte som skjer ved hjelp av munnstykket 14. Man kan da med denne plastopplosning som bindemiddel efter herdingen i ovnen 33 ikke bare på den i og for seg kjente måte binde sam- It is previously known to spray on a plastic solution in a way that takes place with the help of the nozzle 14. You can then use this plastic solution as a binding agent after curing in the oven 33 not only in the manner known per se to bind together
men fibrene i krysningspunktene i hver strimmel, men også på but the fibers at the crossing points in each strip, but also on
den foran angitte måte forbinde de enkelte, innbyrdes nærbe-liggende strimler med hverandre. Dette forhold er allerede tidligere blitt anvendt i forbindelse med brettet mineralull. Derimot er det ikke kjent på samme måte å foye sammen fra hverandre losskårne strimler av mineralull, som på den foran angitte måte hver for seg er blitt forskrudd. Oppfinnelsen baserer seg på iakttagelsen av at dette er mulig. connect the individual, mutually adjacent strips to each other in the above-mentioned manner. This ratio has already previously been used in connection with folded mineral wool. On the other hand, it is not known in the same way to join together loosely cut strips of mineral wool, which have been individually twisted in the above-mentioned manner. The invention is based on the observation that this is possible.
Ved utgangssiden av ovnen 33 kommer folgelig en i tverretning sammenhengende, kontinuerlig, tverrlaminert mineralullmatte 34 frem. Denne kappes derpå ved hjelp av en kniv, en sag e.l. 35 At the outlet side of the oven 33, a transversely continuous, continuous, cross-laminated mineral wool mat 34 appears. This is then cut using a knife, a saw, etc. 35
i tilpassede lengder 36. in customized lengths 36.
En oppskjæring av mineralullmatten i strimler skjer således allerede for herdingen, og efter oppskjæringen legges strimlene til rette i innbyrdes tverrlaminert stilling. Når de derpå herdes, skjer på samme måte som da herdingen fant sted umiddelbart efter båndet 15 en binding mellom de i hver strimmel forekommende enkelte fibre i disses krysningspunkter, men utover dette skjer ved fremgangsmåten ifolge oppfinnelsen også en binding mellom et vertikalplan på en strimmel og det mot dette vertikalplan under trykk anliggende vertikalplan på den tilgren-sende strimmel. A cutting of the mineral wool mat into strips thus already takes place before curing, and after the cutting, the strips are arranged in a mutually cross-laminated position. When they are then hardened, in the same way as when the hardening took place immediately after the band 15, a bond occurs between the individual fibers occurring in each strip at their crossing points, but in addition to this, in the method according to the invention, a bond also occurs between a vertical plane on a strip and against this vertical plane under pressure the adjacent vertical plane of the adjacent strip.
Det forutsettes nu at man kjenner til hvorledes et spinneapparat for fremstilling av mineralull er anordnet. Et eksempel på et slikt spinneapparat er således skjematisk vist i fig. 1, inne-holdende spinnehjulet 12, men det er innlysende at oppfinnelsen ikke er begrenset til anvendelse av nettopp et slikt spinneapparat, idet ethvert spinneapparat kan komme på tale for oppfinnelsens formål. It is now assumed that one knows how a spinning apparatus for the production of mineral wool is arranged. An example of such a spinning apparatus is thus schematically shown in fig. 1, containing the spinning wheel 12, but it is obvious that the invention is not limited to the use of just such a spinning apparatus, since any spinning apparatus can be used for the purpose of the invention.
Fig. 2 viser et eksempel på hvorledes kompresjon av den dannede, fra begynnelsen meget lose mineralullmatte kan finne sted for tilveiebringelse av den ekspansjonstendens som kan være hensiktsmessig for i en senere fase å tilveiebringe trykket mellom de forskjellige strimler, som skal festes til hverandre for dannelse av den til slutt tverrlaminerte mineralullmatte. Fig. 2 shows an example of how compression of the formed, from the beginning very loose mineral wool mat can take place to provide the expansion tendency which may be appropriate for, in a later phase, providing the pressure between the different strips, which are to be attached to each other for formation of the finally cross-laminated mineral wool mat.
Slik det fremgår av det ovenstående, kan strimlene teoretisk sett skjæres til i hvilken som helst vinkelstilling til mattens lengderetning. Av praktiske grunner vil det imidlertid bare forekomme at de skjæres til enten på tvers av eller langsmed mattens lengderetning. Selv om i det nedenfor angitte utforelseseksempel det sistnevnte viser seg å være forholdet, skal oppfinnelsen imidlertid ikke være begrenset til dette. As can be seen from the above, the strips can theoretically be cut to any angle to the longitudinal direction of the mat. For practical reasons, however, it will only happen that they are cut either across or along the length of the mat. Even if in the embodiment shown below the latter turns out to be the ratio, the invention shall not be limited to this.
Den lose mineralull 20 transporteres i retning av pilen 37 av det endelose bånd 15, som loper over valsen 19. I fig. 1 ble anordningen for tilveiebringelse av kompresjon i form av en valse 21 skjematisk vist. Den mer fullstendige anordning for dette formål består av et andre endelost bånd 38, som loper over valsene 39, 40 og 41, idet en ytterligere valse 42 kan være anordnet for nedpressing av båndets ovre lop. Matten som i sin lose tilstand 20 har den tykkelse som vises til venstre i fig. 2, komprimeres på denne måte til en mindre tykkelse, men storre tetthet, som vist ved 22 til hoyre i samme figur. The loose mineral wool 20 is transported in the direction of the arrow 37 by the endless belt 15, which runs over the roller 19. In fig. 1, the device for providing compression in the form of a roller 21 was schematically shown. The more complete device for this purpose consists of a second endless band 38, which runs over the rollers 39, 40 and 41, as a further roller 42 can be arranged to press down the upper lap of the band. The mat, which in its loose state 20 has the thickness shown on the left in fig. 2, is compressed in this way to a smaller thickness, but greater density, as shown at 22 to the right in the same figure.
Umiddelbart efter valsen 41, hvor det endelose transportbånd 38 vender retning, er et sett av sagblad 43 anordnet. Det er uten avgjorende betydning for oppfinnelsen hvorledes disse sagblad er anordnet, hvis bare deres sageretning er slik at den kompri-merte matte 22 sages i strimler. Disse strimler kan således f.eks. gå tvers over mattens lengderetning, men ved den viste Immediately after the roller 41, where the endless conveyor belt 38 faces, a set of saw blades 43 is arranged. It is of no decisive importance to the invention how these saw blades are arranged, if only their sawing direction is such that the compressed mat 22 is sawn into strips. These strips can thus e.g. go across the mat's lengthwise direction, but with the one shown
utforelsesform loper de i mattens lengderetning. De er angitt ved 44. Ved strekingen i det indre av strimlene er sjiktret-ningen i dem antydet. For at man skal få en tverrlaminert mineralullmatte av dem, må de vendes 90° omkring sin egen lengdeakse, slik at f.eks. den side som i fig. 2 er betegnet med 45, danner underside. Dette skjer i anordningen ifolge fig. 3, design, they run in the lengthwise direction of the mat. They are indicated at 44. By the line in the interior of the strips, the layering direction in them is indicated. In order to get a cross-laminated mineral wool mat from them, they must be turned 90° around their own longitudinal axis, so that e.g. the side as in fig. 2 is denoted by 45, forms the underside. This takes place in the device according to fig. 3,
som er beregnet på å folge umiddelbart efter anordningen ifolge fig. 2, slik det også fremgår av fig. 1. which is intended to follow immediately after the device according to fig. 2, as also appears from fig. 1.
I fig. 3 er for oversiktens skyld bare det maskinelle utstyr vist, og dette er til og med vist fragmentarisk. Fagmannen vil imidlertid umiddelbart forstå hvorledes det ser ut i komplett tilstand. En motor 46 er anordnet for ved hjelp av en rem 47 In fig. 3, for the sake of overview, only the mechanical equipment is shown, and this is even shown fragmentarily. However, the person skilled in the art will immediately understand what it looks like in complete condition. A motor 46 is provided for by means of a belt 47
å drive to valser 48 og 49. For styring av remmen 47 er dessuten to drive two rollers 48 and 49. For steering the belt 47 is also
et par ytterligere hjelpevalser 50 og 51 anordnet. Over hver av valsene 48 og 49 loper et sett av endelose transportbånd, av hvilke bare transportbåndene 52 resp. 53 er vist. Disse to transportbånd er anbragt slik at de mellom seg opptar strimmelen 44, se fig. 2. De er forskrudd, idet valsene 48 og 49 loper horisontalt, mens derimot valsene 54 og 55 står vertikalt. Folgen blir som man lett innser, at strimmelen mellom de to bånd 5 2 og 53 vil bli vendt på kant, slik at dens sjiktretning vil ligge vertikalt, når den forlater båndene 5 2 og 53 ved valsene 54 og 55. a pair of additional auxiliary rollers 50 and 51 provided. Above each of the rollers 48 and 49 runs a set of endless conveyor belts, of which only the conveyor belts 52 and 53 is shown. These two conveyor belts are arranged so that between them they occupy the strip 44, see fig. 2. They are twisted, as rollers 48 and 49 run horizontally, while rollers 54 and 55 are vertical. The consequence is, as one can easily see, that the strip between the two belts 5 2 and 53 will be turned on its edge, so that its layer direction will be vertical, when it leaves the belts 5 2 and 53 at the rollers 54 and 55.
Når anordningen er i funksjon, vil således et storre antall slike tverrorienterte strimler i bredde fremfores forbi valsene 54 og 55 resp. de med disse parallelt ordnede valser. De mates derved inn i den anordning som vises i fig. 4. Man gjen-finner i denne figur de to endelose bånd 5 2 og 53, som loper over valsene 54 resp. 55. Hele pakken av slike tverrorienterte strimler opptas ved overgangen til anordningen ifolge fig. 4 mellom et par endelose transportbånd 56, 57, som loper over valsene 58 resp. 59, likesom et par på fig. 4 ikke synlige valser ved de motsatte, til hoyre på tegningen ikke viste bukter av de endelose bånd 56, 57. When the device is in operation, a larger number of such transversely oriented strips in width will thus be advanced past the rollers 54 and 55 resp. those with these parallel arranged rollers. They are thereby fed into the device shown in fig. 4. In this figure, you can find the two endless belts 5 2 and 53, which run over the rollers 54 and 54 respectively. 55. The entire package of such transversely oriented strips is taken up at the transition to the device according to fig. 4 between a pair of endless conveyor belts 56, 57, which run over the rollers 58 resp. 59, like a pair in fig. 4 not visible rollers at the opposite, to the right of the drawing not shown bays of the endless bands 56, 57.
Det bor nu bemerkes at strimlene ennu ikke er herdet. Efter-som de er blitt komprimert, har de beholdt sin fulle elastiske tilbakegangskraft i forhold til den kompresjon for hvilken de eventuelt ble utsatt i anordningen ifolge fig. 2 under innvirkning av båndet 38, og de soker folgelig å ekspandere igjen. Under denne ekspansjon presses de i horisontal retning mot hverandre, slik at et i mange tilfeller onskelig anleggstrykk fås mellom dem for at de ved passering gjennom herdeapparatet 33 skal feste godt til hverandre, uten at man behover å tilfore lim og uten at det blir nodvendig å fore dem med papir, vevet stoff é.l. materiale. It should now be noted that the strips have not yet hardened. After they have been compressed, they have retained their full elastic return force in relation to the compression to which they were possibly subjected in the device according to fig. 2 under the influence of the band 38, and they therefore seek to expand again. During this expansion, they are pressed in a horizontal direction against each other, so that in many cases a desirable contact pressure is obtained between them so that when they pass through the curing apparatus 33 they will stick well to each other, without the need to add glue and without it being necessary to line them with paper, woven fabric etc. material.
Som regel vil ikke friksjonen mellom pakken av strimler på den ene side, og båndene 56, 57 på den andre side, være tilstrekkelig til å fore frem pakken av strimler i en virkelig parallell-bevegelse. Båndene 56, 57 er nemlig i forste rekke beregnet på å skape et mottrykk mot ekspansjonstrykket fra strimlene. Av den grunn er ved anordningen ifolge fig. 4 også et antall, på tegningen to ytterligere endelose bånd 61 og 62 anordnet for å lope omkring en horisontal, vinkelrett på fremforingsretningen gående valse 63 tilsvarende valsen 31 i fig. 1, likesom en ytterligere vendaksel, som imidlertid ikke er synlig i fig. 4, da den ville falle til hoyre av billedflaten, men som vises ved 32 i fig. 1. Mellom båndene 61 og 62 samt på hver side av disse kan man anordne glatte bordbaner 64, 65, på hvilke pakken av tverrlaminerte strimler loper på sin vei inn i herdeovnen 33. As a rule, the friction between the pack of strips on the one hand, and the bands 56, 57 on the other side, will not be sufficient to advance the pack of strips in a truly parallel movement. The bands 56, 57 are primarily intended to create a counter pressure against the expansion pressure from the strips. For that reason, in the device according to fig. 4 also a number, in the drawing two further endless belts 61 and 62 arranged to run around a horizontal roller 63 running perpendicular to the feed direction corresponding to the roller 31 in fig. 1, as well as a further turning shaft, which, however, is not visible in fig. 4, as it would fall to the right of the image surface, but which is shown at 32 in fig. 1. Between the bands 61 and 62 and on each side of these, smooth table tracks 64, 65 can be arranged, on which the package of cross-laminated strips runs on its way into the curing oven 33.
Fra herdeovnen 33 loper derpå pakken ut med et forband tilveie-bragt ved herding av den ved dusjanordningen 14, fig. 1, tilforte plastopplosning, dels på allerede velkjent måte mellom de enkelte fibre i mineralullmatten, spesielt ved disses krysningspunkter, dels også mellom de vertikale langsider av strimlene. From the curing oven 33, the package then flows out with a bandage provided by curing it at the shower device 14, fig. 1, added plastic dissolution, partly in an already well-known way between the individual fibers in the mineral wool mat, especially at their crossing points, partly also between the vertical long sides of the strips.
Ved at sagingen av mineralullmatten, fig. 2, skjedde i mineralullmattens lengderetning, vil strimlene lope i lengderetningen av hele det maskinelle utstyr, billedlig talt med uendelig lengde, hvilken i virkeligheten bare begrenses av de avbrudd som uunngåelig oppstår ved stansing av maskinen for rengjoring, service eller opphor av arbeidet av annen grunn. Dette er selvsagt en stor fordel, da det derved er mulig ved en kappean-ordning, som imidlertid ikke utgjor noen del av foreliggende oppfinnelse, men som vises ved 35 i fig. 1, å skjære til mineralullmatter i stykker 36 av onsket lengde. Dessuten kan selvsagt også en sidekappeanordning forekomme, som skjærer av de kanhende noe ujevne kanter på mineralullmatten. Oppfinnelsen er imidlertid på ingen måte begrenset til denne utforelsesform, selv om den har betydelige fordeler. Man kan således også i de tilfeller hvor dette av en eller annen grunn ansees for mere fordelaktig, la sagene eller avskjæringsorganene 43, se fig. 2, arbeide i retning på tvers av mattens lengderetning eller ellers i en hvilken som helst hensiktsmessig retning, og man må da bare sorge for at de frembragte strimler på egnet måte transporteres bort fra sageanordningen for derpå å behandles på den ihåte som foran er beskrevet i forbindelse med den på tegningene In that the sawing of the mineral wool mat, fig. 2, occurred in the longitudinal direction of the mineral wool mat, the strips will run in the longitudinal direction of the entire mechanical equipment, figuratively speaking with infinite length, which in reality is only limited by the interruptions that inevitably occur when the machine is stopped for cleaning, service or cessation of work for other reasons . This is of course a great advantage, as it is thereby possible with a kappean arrangement, which, however, does not form any part of the present invention, but which is shown at 35 in fig. 1, to cut mineral wool mats into pieces 36 of the desired length. In addition, there can of course also be a side cutting device, which cuts off the possibly somewhat uneven edges of the mineral wool mat. However, the invention is in no way limited to this embodiment, although it has significant advantages. One can thus also, in cases where this is considered more advantageous for one reason or another, let the saws or the cutting members 43, see fig. 2, work in a direction across the longitudinal direction of the mat or otherwise in any appropriate direction, and one then only has to ensure that the produced strips are transported in a suitable way away from the sawing device to then be processed in the manner described above in connection with the one in the drawings
viste utforelsesform. shown embodiment.
i in
Det er nu innlysende at oppfinnelsen ikke er begrenset til fremstilling av slike plane formasjoner av tverrlaminert mineralull, som ikke er forsynt méd kledning. Selve fremstillingsfremgangs-måten ifolge det ovenstående frembyr nemlig i seg selv så store fordeler at den egner seg godt for tilpasning selv om man vil bekle mineralullmatten med et hensiktsmessig, i og for seg kjent materiale, f.eks. kraftpapir. Et spesielt fordelaktig materiale er glassfiberduk, som jo ikke er brennbar men har storre strekkholdfasthet i alle retninger enn papir. Man kan selvsagt også feste den dannede mineralullmatte til et annet underlag, f.eks. en kryssfinérplate, trefiberplate e.l. It is now obvious that the invention is not limited to the production of such planar formations of cross-laminated mineral wool, which are not provided with cladding. The manufacturing process itself according to the above offers in itself such great advantages that it is well suited for adaptation even if one wants to cover the mineral wool mat with an appropriate material known in and of itself, e.g. kraft paper. A particularly advantageous material is glass fiber cloth, which is not flammable but has greater tensile strength in all directions than paper. You can of course also attach the formed mineral wool mat to another substrate, e.g. a plywood sheet, fiberboard, etc.
Styrken av det dannede forband mellom strimlene blir, slik man vil forstå av det ovenstående, avhengig av flere forskjellige omstendigheter. Under forutsetning av at konsentrasjonen av den anvendte plastopplosning og plastens kjemiske beskaffenhet er hensiktsmessig avveiet, innvirker på dette selvsagt mengden påsproytet plastopplosning, men i særlig hoy grad har det vist seg at styrken blir avhengig av den elastiske kraft, med hvilken strimlene ligger an eller presses mot hverandre under passering av det apparat som er vist i fig. 4. Denne elastiske kraft kan igjen være avhengig av graden av kompresjon i det apparat, som er vist i fig. 2. Ved praktiske forsok har man funnet at en kompresjon på i det vesentlige 50%, dvs. en slik kompresjon at mattens tykkelse minsker til omtrent halvparten av dens opprinnelige tykkelse er fullt tilstrekkelig, at en svakere kompresjon under visse omstendigheter kan foranledige et forringet forband, og at en vesentlig sterkere kompresjon er praktisk talt uten verdi for forbandets godhet. Derimot kan man ved sterkere kompresjon meddele det fremstilte produkt andre fordelaktige egenskaper. The strength of the formed connection between the strips is, as will be understood from the above, dependent on several different circumstances. On the condition that the concentration of the plastic solution used and the chemical nature of the plastic are appropriately balanced, the amount of plastic solution sprayed on naturally affects this, but to a particularly high degree it has been shown that the strength depends on the elastic force with which the strips are attached or pressed towards each other during the passage of the apparatus shown in fig. 4. This elastic force can again depend on the degree of compression in the device, which is shown in fig. 2. In practical tests, it has been found that a compression of essentially 50%, i.e. such a compression that the thickness of the mat is reduced to approximately half of its original thickness is fully sufficient, that a weaker compression under certain circumstances can lead to a deteriorated connection , and that a significantly stronger compression is practically of no value for the goodness of the dressing. On the other hand, stronger compression can give the manufactured product other advantageous properties.
Stabiliteten i den fremstilte tverrlaminerte mineralullmatte kan ytterligere forbedres ved at man for oppskjæringen i strimler under og/eller over mineralullmatten mater inn et forsterknings-eller armeringssjikt, hvilket selvsagt fortrinnsvis bor være av et ikke brennbart materiale og kan bestå av glassfiberduk. Dette resp. disse sjikt vil da bli delt opp i forbindelse med dannelsen av strimlene, og de vil folge med mineralullstrimlene slik at de lagrer seg i vertikal retning ved sammenfoynings-flåtene mellom strimlene, hvor de i det ferdige produkt tjener som overordentlig gode armeringsmidler. The stability of the manufactured cross-laminated mineral wool mat can be further improved by feeding in a reinforcement or reinforcement layer for the cutting into strips under and/or above the mineral wool mat, which of course should preferably be of a non-combustible material and can consist of glass fiber cloth. This or these layers will then be split up in connection with the formation of the strips, and they will follow with the mineral wool strips so that they are stored in a vertical direction at the joining rafts between the strips, where in the finished product they serve as extremely good reinforcements.
Det er vanlig at man for visse særskilte formål forsyner en mineralullmatte, da også en slik mineralullmatte hvor mineralullen er tverrorientert, med et overflatesjikt. Også i foreliggende tilfelle kan naturligvis et slikt overflatesjikt påleg- It is common for certain special purposes to provide a mineral wool mat, then also such a mineral wool mat where the mineral wool is transversely oriented, with a surface layer. Also in the present case, of course, such a surface layer can be
ges efter den sammenlegging av strimlene, hvorved den tverrorienterte mineralullmatte dannes. Overflatesjiktet kan legges på given after the joining of the strips, whereby the transversely oriented mineral wool mat is formed. The surface layer can be applied
den ene side eller på begge sider. Overflatesjiktet resp. over-flates j iktene kan bestå av mineralullsjikt, som er adskilt fra den opprinnelig foreliggende bane for oppdeling av denne i strimler. Det er selvsagt også mulig å pålegge overflatesjikt på mineralullbanen både for dens oppdeling og efter sammenleg-gingen. on one side or on both sides. The surface layer or the surface layers can consist of a mineral wool layer, which is separated from the originally present web for dividing it into strips. It is of course also possible to apply a surface layer to the mineral wool web both before its division and after joining.
I fig. 4 vises som eksempel på dette tilforsel av et slikt sjikt In fig. 4 is shown as an example of this supply of such a layer
67 rundt valsen 63. Dette tynne sjikt kan bestå av mineralull, 67 around the roller 63. This thin layer can consist of mineral wool,
som i forveien er skåret ut fra samme mineralullbane 22 eller fra en annen mineralullbane, men det kan også bestå av papir, glassfiberduk, trefiberplate eller annet egnet produkt. Et slikt overflatesjikt kan ikke bare legges på undersiden eller oversiden av den dannede formasjon, men også, hvis onskelig, på begge sider av denne. Ved passering gjennom herdeovnen 33 which has been cut in advance from the same mineral wool web 22 or from another mineral wool web, but it can also consist of paper, glass fiber cloth, wood fiber board or other suitable product. Such a surface layer can be placed not only on the underside or the top of the formed formation, but also, if desired, on both sides thereof. When passing through the curing oven 33
festes dette eller disse sjikt til det frembragte lamellerte produkt. attach this or these layers to the produced laminated product.
Claims (16)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7201938A SE366729C (en) | 1972-02-17 | 1972-02-17 | METHOD OF PRODUCING A LAMEL PRODUCT OF MINERAL WOOL AND SUBSEQUENT HARDENING THEREOF |
Publications (2)
Publication Number | Publication Date |
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NO134461B true NO134461B (en) | 1976-07-05 |
NO134461C NO134461C (en) | 1976-10-13 |
Family
ID=20259104
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NO649/73A NO134461C (en) | 1972-02-17 | 1973-02-16 |
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AT (1) | AT353477B (en) |
BE (1) | BE795596A (en) |
CH (1) | CH588587A5 (en) |
DE (1) | DE2307577C3 (en) |
FI (1) | FI58453C (en) |
FR (1) | FR2172361B1 (en) |
GB (1) | GB1403322A (en) |
IT (1) | IT979141B (en) |
NL (1) | NL7302119A (en) |
NO (1) | NO134461C (en) |
SE (1) | SE366729C (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2340818A1 (en) * | 1976-02-10 | 1977-09-09 | Rockwool Ab | Composite duplex laminates of inorganic wool boards - with crossed fibre axes, for enhanced compressive and delamination strengths |
DE2638805C2 (en) * | 1976-08-27 | 1985-11-07 | Vsesojuznyj naučno-issledovatel'skij institut teploizoljacionnych i akustičeskich stroitel'nych materialov i izdelij VNIITEPLOIZOLJACIJA, Vilna/Vilnjus | Process for the production of mineral fiber boards |
SE7910063L (en) * | 1978-12-26 | 1980-06-27 | Vnii Teploizolyatsio | METHOD AND DEVICE FOR MANUFACTURING MINERAL FIBER PLATES |
FR2454900A1 (en) * | 1979-04-26 | 1980-11-21 | Inst Teploizolyatsionnykh Ak | Thermal and acoustic insulating plate mfr. - includes thermal treatment to fix sections of fibre blanket to be cut into boards |
GB2120972A (en) * | 1982-05-26 | 1983-12-14 | Rolls Royce | Composite structure |
DE3222228A1 (en) * | 1982-06-12 | 1983-12-15 | VEB Zementkombinat, DDR 4500 Dessau | Mechanical process for the perpendicular alignment of mineral wool fibres |
DK165926B (en) * | 1990-12-07 | 1993-02-08 | Rockwool Int | PROCEDURE FOR THE MANUFACTURE OF INSULATION PLATES COMPOSED BY INVOLVED CONNECTED STABLE MINERAL FIBER ELEMENTS |
DE4432866C1 (en) * | 1994-09-15 | 1996-02-01 | Rockwool Mineralwolle | Mineral wool fibre material prodn. in vertical layers |
EP1106743B1 (en) * | 1999-12-08 | 2005-04-06 | Deutsche Rockwool Mineralwoll GmbH & Co. OHG | Process and device for manufacturing a fibrous insulation web |
FR2809119A1 (en) * | 2000-05-17 | 2001-11-23 | Saint Gobain Isover | METHOD OF FORMING AND PACKAGING INSULATING FELTS AND ITS IMPLEMENTING DEVICE |
DE102005032785B4 (en) * | 2005-07-14 | 2009-02-26 | Knauf Insulation Gmbh | Cuboid mineral fiber product |
FI20105564A0 (en) | 2010-05-21 | 2010-05-21 | Saint Gobain Rakennustuotteet | Insulation piece, insulating method and insulating packaging |
PL412081A1 (en) | 2015-04-21 | 2016-10-24 | Tabor Aneta Tomisol | Insulation lamella mat and the production line for manufacturing insulation lamella mat |
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US2373500A (en) * | 1943-01-01 | 1945-04-10 | Johns Manville | Method and apparatus for making felted materials |
US2546230A (en) * | 1947-10-10 | 1951-03-27 | Johns Manville | Glass product and method of making the same |
US2949953A (en) * | 1955-05-26 | 1960-08-23 | Maio Vincent Di | Pipe insulator and method of making same |
US3012923A (en) * | 1957-09-30 | 1961-12-12 | Owens Corning Fiberglass Corp | Fibrous products and method and apparatus for producing same |
DE1760179C3 (en) * | 1968-04-13 | 1974-12-05 | E.A.H. Naue Kg, 4992 Espelkamp | Process for the production of a laminated cover pile for the production of upholstery bodies from rubberized animal hair or plant fibers |
SE319720B (en) * | 1968-10-21 | 1970-01-19 | Gullfiber Ab | |
GB1321852A (en) * | 1969-07-01 | 1973-07-04 | Toray Industries | Fibrous sheet and a method of manufacturing the same |
-
0
- BE BE795596D patent/BE795596A/en unknown
-
1972
- 1972-02-17 SE SE7201938A patent/SE366729C/en unknown
-
1973
- 1973-02-01 AT AT88773A patent/AT353477B/en not_active IP Right Cessation
- 1973-02-12 FI FI407/73A patent/FI58453C/en active
- 1973-02-13 GB GB709073A patent/GB1403322A/en not_active Expired
- 1973-02-14 CH CH210973A patent/CH588587A5/xx not_active IP Right Cessation
- 1973-02-15 IT IT20431/73A patent/IT979141B/en active
- 1973-02-15 NL NL7302119A patent/NL7302119A/xx unknown
- 1973-02-16 DE DE2307577A patent/DE2307577C3/en not_active Expired
- 1973-02-16 FR FR7305584A patent/FR2172361B1/fr not_active Expired
- 1973-02-16 NO NO649/73A patent/NO134461C/no unknown
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NL7302119A (en) | 1973-08-21 |
DE2307577C3 (en) | 1982-09-02 |
AT353477B (en) | 1979-11-12 |
FR2172361A1 (en) | 1973-09-28 |
SE366729B (en) | 1974-05-06 |
IT979141B (en) | 1974-09-30 |
SE366729C (en) | 1983-11-28 |
FI58453B (en) | 1980-10-31 |
ATA88773A (en) | 1979-04-15 |
NO134461C (en) | 1976-10-13 |
CH588587A5 (en) | 1977-06-15 |
FI58453C (en) | 1981-02-10 |
DE2307577A1 (en) | 1973-08-23 |
FR2172361B1 (en) | 1977-07-22 |
BE795596A (en) | 1973-06-18 |
DE2307577B2 (en) | 1977-05-18 |
GB1403322A (en) | 1975-08-28 |
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