CH600104A5 - Filling structural cavities with insulating material - Google Patents
Filling structural cavities with insulating materialInfo
- Publication number
- CH600104A5 CH600104A5 CH1539575A CH1539575A CH600104A5 CH 600104 A5 CH600104 A5 CH 600104A5 CH 1539575 A CH1539575 A CH 1539575A CH 1539575 A CH1539575 A CH 1539575A CH 600104 A5 CH600104 A5 CH 600104A5
- Authority
- CH
- Switzerland
- Prior art keywords
- foam
- glass
- cavities
- reaction mixture
- liquid
- Prior art date
Links
- 239000011810 insulating material Substances 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 239000003365 glass fiber Substances 0.000 claims abstract description 7
- 239000006261 foam material Substances 0.000 claims abstract description 5
- 239000004033 plastic Substances 0.000 claims abstract description 4
- 229920003023 plastic Polymers 0.000 claims abstract description 4
- 229920002635 polyurethane Polymers 0.000 claims abstract description 3
- 239000004814 polyurethane Substances 0.000 claims abstract description 3
- 239000011521 glass Substances 0.000 claims description 22
- 239000006260 foam Substances 0.000 claims description 18
- 239000011541 reaction mixture Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 6
- 238000011065 in-situ storage Methods 0.000 claims description 4
- 229920003002 synthetic resin Polymers 0.000 claims description 4
- 239000000057 synthetic resin Substances 0.000 claims description 4
- 238000005470 impregnation Methods 0.000 claims description 3
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 239000008258 liquid foam Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 210000000056 organ Anatomy 0.000 claims description 2
- 239000011496 polyurethane foam Substances 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims description 2
- 239000004071 soot Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
- B29B7/905—Fillers or reinforcements, e.g. fibres with means for pretreatment of the charges or fibres
-
- 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
- E04B1/7604—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 fillings for cavity walls
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Building Environments (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
Structural cavities are filled with an insulating material by cutting a matted glass fibre web with randomly oriented locally bonded fibres and feeding the cut fibres to a worm screw mixer in which the fibres are mixed with a liquid, foamable plastics mixt. and discharging the resulting mixt. into the cavities.Used for filling floor and wall cavities of buildings and ship structures with fire- and waterproof plastics foam material, e.g. of polyurethane.
Description
Gegenstand vorliegender Erfindung ist ein Verfahren zum Ausfüllen von Hohlräumen eines Baues mit einer Isoliermasse.
Es sind wärmeisolierend wirkende Schaumstoffmaterialien bekannt, insbesondere auf Polyurethan-Basis, die zu einem wesentlichen Gewichtsanteil, etwa im Bereich von 5 bis 35 Gew. So, bezogen auf ihr Gesamtgewicht, ungerichtete Glasfäden in homogener Verteilung enthalten und ein Raumgewicht von etwa 50 bis 250 Gramm pro Liter haben. Dank ihrer inneren Glasfaser-Verstärkung weisen solche Isoliermaterialien bedeutend höhere Druck- bzw. Zug-Festigkeitswerte auf und bleiben auch bei Temperaturen im Bereich von etwa 80 bis 1500 C mechanisch stabil. Bei leichten Bränden sind solche Isoliermaterialien noch selbstlöschend, und auch nach schweren Bränden lassen solche Materialien noch ein etwas tragfähiges Glas-Russ-Gemisch zurück.
Für mancherlei Anwendungsfälle, beispielsweise zum Ausfüllen von Hohlräumen zwischen Doppelwänden bzw. Böden in Gebäuden und Schiffen wäre es wünschbar, glasfaserverstärktes Schaumstoffmaterial bekannter Art im flüssigen Zustande in situ in die Hohlräume einfüllen zu können und darin zu einem monolithischen, tragfähigen und weitgehend stabilen Isoliermaterial aufschäumen und als Schaum aushärten lassen zu können, der, sofern er selbst eine geschlossenzellige Struktur aufweist, praktisch kein Wasser aufnimmt.
Bisher mussten Isolierstoff-Bauelemente beim Aufbau von Hohlräumen mit eingebaut werden oder es musste nachträglich in leere Hohlräume loses Isoliermaterial eingeschüttet werden.
Ziel und Aufgabe der vorliegenden Erfindung ist es, die technischen Voraussetzungen für eine Einbringung in situ von flüssigem, schäumfähigem und glasfaserverstärktem Schaumstoff-Reaktions-Gemisch zu schaffen.
Erfindungsgemäss ist das Verfahren zum Ausfüllen von Hohlräumen eines Baues mit einer Isoliermasse gekennzeichnet durch eine Verwendung eines Zwangsmisch- und Förderaggregates für die fortwährende Durchtränkung von einerseits zugeführten, lufthaltigen, komprimierbaren und quasi-formelastischen Glasfädenkörpern aus ungerichteten, örtlich verklebten Glasfäden mit anderseits zugeführtem flüssigem, schäumfähigem und sich im Schaumzustand verfestigendem Kunstharz-Reaktionsgemisch.
Ein Ausführungsbeispiel des erfindungsgemässen Verfahrens ist in der Zeichnung schematisch dargestellt. Das dargestellte Zwangsmisch- und Förderaggregat 1 für die fortwährende Durchtränkung von Glasfädenkörpern 20, die in einen Einfülltrichter 11 eingebracht werden, mit einem flüssigen Schaumstoffreaktionsgemisch 30, das aus einem bekannten Komponentenmischer 3 in den Zuführstutzen 12 des Mischaggregates 1 gefördert wird, enthält gemäss Beispiel eine motorisch angetriebene Förder- und Misch-Schnecke 10. Die Glasfädenkörper 20 werden mit Hilfe einer Schneidvorrichtung 2 aus einem lufthaltigen, quasi-elastisch komprimierbaren Glasfäden-Vlies ausgeschnitten. Dem Komponentenmischer 3 werden in dosierten Mengen anteilen aus zwei Zahnradpumpen 31 die flüssigen, allein nicht reaktionsfähigen Komponenten des Schaumstoffreaktionsgemisches 30 zugeführt.
Die dem Mischaggregat 1 durch den Trichter 11 zugeführten Glasfädenkörper 20 werden von der Schnecke 10 oder einem ähnlichen Organ unter totaler Luftverdrängung komprimiert und mit dem Kunststoffreaktionsgemisch 30 zum Ausgang 13 gefördert, wo eine Masse 40 von breiigen Glasfädenkörpern austritt, die direkt in irgendeinen Hohlraum 4 eingefüllt wird, dort nach einiger Zeit zu schäumen anfängt und als ein monolithischer glasfaserverstärkter Hartschaumstoff, beispielsweise Polyurethan-Hartschaumstoff, aushärtet.
PATENTANSPRUCH
Verfahren zum Ausfüllen von Hohlräumen eines Baues mit einer Isoliermasse, gekennzeichnet durch eine Verwendung eines Zwangsmisch- und Förderaggregates (1) für die fortwährende Durchtränkung von einerseits zugeführten, lufthaltigen, komprimierbaren und quasi-formelastischen Glasfädenkörpern (20) aus ungerichteten, örtlich verklebten Glasfäden mit anderseits zugeführtem flüssigem, schäumfähigem und sich im Schaumzustand verfestigendem Kunstharz Reaktionsgemisch (30).
**WARNUNG** Ende DESC Feld konnte Anfang CLMS uberlappen**.
The present invention relates to a method for filling cavities in a building with an insulating compound.
Thermally insulating foam materials are known, in particular based on polyurethane, which contain a substantial proportion by weight, for example in the range of 5 to 35 wt. So, based on their total weight, non-directional glass threads in homogeneous distribution and a density of about 50 to 250 grams per liter. Thanks to their internal glass fiber reinforcement, such insulating materials have significantly higher compressive and tensile strength values and remain mechanically stable even at temperatures in the range from about 80 to 1500 C. In the case of light fires, such insulating materials are still self-extinguishing, and even after severe fires, such materials leave behind a somewhat stable glass-soot mixture.
For many applications, for example for filling cavities between double walls or floors in buildings and ships, it would be desirable to be able to fill glass fiber reinforced foam material of known type in the liquid state in situ into the cavities and to foam and foam therein to form a monolithic, load-bearing and largely stable insulating material to be able to cure as foam which, if it has a closed-cell structure itself, absorbs practically no water.
Until now, insulating material components had to be built in when creating cavities or loose insulating material had to be poured into empty cavities afterwards.
The aim and object of the present invention is to create the technical prerequisites for the introduction in situ of a liquid, foamable and glass fiber-reinforced foam reaction mixture.
According to the invention, the method for filling cavities in a building with an insulating compound is characterized by the use of a compulsory mixing and conveying unit for the continuous saturation of air-containing, compressible and quasi-dimensionally elastic glass filament bodies made of non-directional, locally glued glass filaments with liquid, foamable on the other hand and a synthetic resin reaction mixture which solidifies in the foam state.
An embodiment of the method according to the invention is shown schematically in the drawing. The compulsory mixing and conveying unit 1 shown for the continuous impregnation of glass filament bodies 20, which are introduced into a hopper 11, with a liquid foam reaction mixture 30, which is conveyed from a known component mixer 3 into the feed connection 12 of the mixing unit 1, contains a motorized according to the example driven conveying and mixing screw 10. The glass thread bodies 20 are cut with the aid of a cutting device 2 from an air-containing, quasi-elastically compressible glass thread fleece. The component mixer 3 is supplied in metered amounts from two gear pumps 31 with the liquid, solely non-reactive components of the foam reaction mixture 30.
The glass filament bodies 20 fed to the mixing unit 1 through the funnel 11 are compressed by the screw 10 or a similar organ with total displacement of air and conveyed with the plastic reaction mixture 30 to the outlet 13, where a mass 40 of pulpy glass filament bodies emerges, which is filled directly into any cavity 4 is, there begins to foam after some time and cures as a monolithic glass fiber reinforced rigid foam, for example rigid polyurethane foam.
PATENT CLAIM
A method for filling cavities in a building with an insulating compound, characterized by the use of a compulsory mixing and conveying unit (1) for the continuous saturation of air-containing, compressible and quasi-dimensionally elastic glass thread bodies (20) made from undirected, locally glued glass threads on the other supplied liquid, foamable synthetic resin reaction mixture (30) which solidifies in the foam state.
** WARNING ** End of DESC field could overlap beginning of CLMS **.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1539575A CH600104A5 (en) | 1975-11-27 | 1975-11-27 | Filling structural cavities with insulating material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1539575A CH600104A5 (en) | 1975-11-27 | 1975-11-27 | Filling structural cavities with insulating material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH600104A5 true CH600104A5 (en) | 1978-06-15 |
Family
ID=4408748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1539575A CH600104A5 (en) | 1975-11-27 | 1975-11-27 | Filling structural cavities with insulating material |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH600104A5 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2403430A1 (en) * | 1977-09-19 | 1979-04-13 | Johns Manville | THERMAL INSULATION MATERIAL AND ITS MANUFACTURING PROCESS |
| CN105143569A (en) * | 2013-04-22 | 2015-12-09 | 允仁学 | Ecological building and insulation structural body thereof and method for assembling insulation structural body |
| DE102020129636A1 (en) | 2020-11-10 | 2022-05-12 | H & S Anlagentechnik Gmbh | Metering screw arrangement and system for recycling polyurethane with the relevant metering screw arrangement |
-
1975
- 1975-11-27 CH CH1539575A patent/CH600104A5/en not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2403430A1 (en) * | 1977-09-19 | 1979-04-13 | Johns Manville | THERMAL INSULATION MATERIAL AND ITS MANUFACTURING PROCESS |
| CN105143569A (en) * | 2013-04-22 | 2015-12-09 | 允仁学 | Ecological building and insulation structural body thereof and method for assembling insulation structural body |
| DE102020129636A1 (en) | 2020-11-10 | 2022-05-12 | H & S Anlagentechnik Gmbh | Metering screw arrangement and system for recycling polyurethane with the relevant metering screw arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |