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WO1998045565A1 - Sealing strip between two constructional parts - Google Patents

Sealing strip between two constructional parts Download PDF

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Publication number
WO1998045565A1
WO1998045565A1 PCT/SE1998/000668 SE9800668W WO9845565A1 WO 1998045565 A1 WO1998045565 A1 WO 1998045565A1 SE 9800668 W SE9800668 W SE 9800668W WO 9845565 A1 WO9845565 A1 WO 9845565A1
Authority
WO
WIPO (PCT)
Prior art keywords
sealing strip
web
elastic material
adhesive
plastic
Prior art date
Application number
PCT/SE1998/000668
Other languages
French (fr)
Swedish (sv)
Inventor
Johan STRÖMBERG
Original Assignee
Stroemberg Johan
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 Stroemberg Johan filed Critical Stroemberg Johan
Priority to AU70927/98A priority Critical patent/AU7092798A/en
Publication of WO1998045565A1 publication Critical patent/WO1998045565A1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/62—Tightening or covering joints between the border of openings and the frame or between contiguous frames
    • E06B1/68—Tightening or covering joints between the border of openings and the frame or between contiguous frames by profiled external parts
    • 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
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/6812—Compressable seals of solid form
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/62—Tightening or covering joints between the border of openings and the frame or between contiguous frames
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/62—Tightening or covering joints between the border of openings and the frame or between contiguous frames
    • E06B2001/626—Tightening or covering joints between the border of openings and the frame or between contiguous frames comprising expanding foam strips

Definitions

  • the present invention concerns a sealing strip for filling, isolating and sealing an air space between two constructional parts, e.g. a frame and a wall between two walls, etc. and which includes a compressible, elastic material, which is retained in its compressed state by a cover and a method for producing the same.
  • window frames and door frames When applying window frames and door frames in a wall opening they are adjusted with the aid of wedges, whereafter the side parts of the frames are screwed or nailed on the wall.
  • the gap Between these constructional parts is formed a gap, which is needed to allow the adjustment of the window or the door.
  • the gap must be filled and the sealing must fulfil the demands on heat isolation.
  • the sealing also serves as a barrier for moisture and steam, and for sound isolation.
  • the purpose with the invention is to solve the above mentioned problems and to achieve a sealing strip of the in the introduction mentioned type, which: - is simple to apply and place in right position also in narrow gaps,
  • Figure 1 shows a horizontal cut through a window mounted within a wall opening and sealed with the sealing strip in accordance with the invention.
  • Figure 2 and 3 show cuts through the sealing strip in accordance with Figure 1 in compressed closed and in open, expanded state.
  • Figure 4 and 5 show with analogous cuts compared to Figure 2 and 3 a modified embodiment.
  • Figure 6 shows schematically a device for manufacturing of the sealing strip in accordance with the invention.
  • the sealing strip in accordance with the invention in the drawing designated 11, consists in its basic configuration of a compressable, elastic material 12 and a cover surrounding said elastic material, which in its uncompressed, i.e. expanded state has good heat isolating characteristics comprising elimination of air draught/passage.
  • the material should have a cell structure with interconnecting open cells, and may consist of a suitable plastic foam, but may also be a cellulose derivate or similar. The important thing is that the material is so elastic that it can be compressed and regain essentially its original volume when the pressure ceases. The compression can occur in different ways, mechanically by pressing together the strip of plastic foam, e.g.
  • the cover is adapted thereafter.
  • a vacuum compression demands that the cover is hermetically closed, which means that the strip has a limited length, e.g. is measure adapted, while a mechanical compression demands a cover , which can resist the pressure from the compressed material but can be open at the ends.
  • a shrinking film can be used, which is shrinked with an oversize of the film so that transversal folds are formed, which in shrinked state form transversal reinforcement bands around the compressed strip.
  • an insert 14 in the form of a paper or plastic band or similar stiffens the strip of plastic foam, which can be applied on one or both sides of the paper or plastic band.
  • the cover 13 has during transport and assembly only a protecting function. However, generally the cover 13 is after the assembly in a gap 15 between two constructional parts, e.g. a frame 16 or a wall 17, according to Figure 1, opened at least along the end border 19, which is turned against the outside while the end border which is turned against the room remains closed and forms a steam barrier 18 if the material in the cover is diffusion tight.
  • two constructional parts e.g. a frame 16 or a wall 17, according to Figure 1
  • opened at least along the end border 19 which is turned against the outside while the end border which is turned against the room remains closed and forms a steam barrier 18 if the material in the cover is diffusion tight.
  • the compression of the elastic sealing strip does not solely have the purpose of reducing the thickness, but by compressing and impregnating the plastic foam with an adhesive, the sealing strip, will have a certain stiffness perpendicular to its longitudinal direction and at the same time the strip remains bendable in its longitudinal direction so that it can be bent around a frame, and for easier handling also can be winded up for transportation.
  • the adhesive can for instance be a bitumen mass, which when heated is softened so that expansion can occur, while at room temperature the adhesive prevents the compressed sealing strip from expansion.
  • the cover 13 which can consists of a plastic film, which only to a very limited degree participate in the expansion of the plastic foam, can at least at one end border, preferably at three end borders, be equipped with an inwards folded part, while the fourth end border, which in applied state is turned inwards and which is intended to be opened, lacks said folds.
  • the purpose is to simplify the expansion, which will not be prevented by a "too tight" cover.
  • the opening of the outward turned end side of the sealing strip can most, simply be done with a knife, but it is also possible that when manufacturing the sealing strip apply, a tear thread or similar in said end side which thread when drawing it opens said end side.
  • the sealing strip is manufactured in the following way and as illustrated in the shown device in Figure 6.
  • a web of cellular plastic 21 is fed into a tray 22, which is provided with a stirrer 23 and filled with a mass of bitumen for impregnating the web of cellular plastic.
  • the mass of bitumen or other adhesive is preferably in the form of a water dispersion in order to achieve optimal penetration in the cellular plastic material.
  • a suitable dispersion of bitumen comprising about 50 - 70 weights -% bitumen and about 30 - 50 weights -% water.
  • the web of cellular plastic is fed through the tray 22 by conveyors 24, which in several places allow the web of cellular plastic to pass through the press nip of rolls 25 for compression and following expansion of the web of cellular plastic material in order to fill the cellularplastic material with a mass of bitumen.
  • This mass of bitumen has such a temperature, at least 80 degrees Celsius, that the viscosity gives an easy penetration of the mass into the cellular plastic material.
  • the viscosity of the adhesive, bitumen or other adhesive can also be regulated by addition of a solvent, which is removed in a later step.
  • the temperature of the bitumen is regulated by heating elements 26 applied in the tray 22.
  • the web of cellular plastic material is thereby compressed to a few percent of its initial volume.
  • the web of cellular plastic is thereafter allowed to expand, whereby it takes up a mass of bitumen through suction, (replacing air which earlier exists in the web).
  • the web of cellular plastic 21 is thereafter again pressed, together in a pressing nip of a roll pair, 27, and is compressed again to a few percent of its earlier volume/thickness.
  • the web of cellular plastic 21 is thereafter allowed to regain its initial volume or essentially its initial volume by expansion.
  • the web is fed on a conveyor through a drying means for elimination of the solvent in the mass of bitumen, or another for the purpose suitable adhesive composition, or for fixation of the bitumen or another adhesive composition.
  • the web of cellular plastic is thereafter chilled and preferably treated with talcum in order to eliminate "tackiness".
  • the amount of adhesive is about 20 - 30 weights -% of the weight if the end product. The amount of adhesive is however dependent of the cell structure and of the type of adhesive.
  • the web of cellular plastic is thereafter fed to a packaging station, where the web 21 of cellular plastic first is compressed between in the embodiment shown two pairs of pressure rolls 28 for compression of the web 21 of cellular plastic.
  • two plastic films are fed on both side of the web 21 of cellular plastic, which films are welded together by heat welding or by induction welding with the aid of welding tools 21 along the both longitudinal sides of the compressed web of cellular plastic.
  • the compressed web 21 of cellular plastic is divided along its longitudinal axis for production of two parallel webs, whereby the plastic film is also welded between said webs.
  • the compressed web 21 of cellular plastic is welded crosswise to its longitudinal axis by application of heat with the heating tools 32 and is cut to suitable lengths, preferably in pairs, in a cutting station 33.
  • the compressed and in plastic films , packed webs 21 of cellular plastic is thereafter packed and stored berfore distribution.
  • the web of cellular plastic may consist of plastic of polyurethane, neoprene rubber or polyolefme, such as polyethylene, polypropylene. Different copolymers, such as ethenevinylacetate - copolymer, can also be suitable in order to achieve a sufficient form stable web of cellular plastic.
  • the structure of the cellular plastic can be open or cross- linked.
  • the web of cellular plastic can also on one of its sides have a closed cell structure achieved by a suitable cooling treatment and or heating treatment when producing the cellular plastic material,
  • the web of cellular plastic can also be integrated with a plastic film on one or several sides if this is desirable in view of handling.
  • the used adhesive is preferably bitumen or a non-hardening adhesive, such as ethenevinylacetate acrylate, whereby when using an uncoloured adhesive of the mentioned type this adhesive is painted. Otherwise the cellular plastic material can be coloured to achieve a colour effect, as can be desirable when using the sealing strip as dilation joint in house constructions. In such a case the out-turned side of the joining/sealing strip should also be impermeable to allow painting.
  • the adhesive could also be provided with sodium silicate or aluminium hydroxide in order to improve the fire-retardation.
  • sodium silicate 25% of a solution of waterglass in water is added to the adhesive.
  • the demand on the cellular plastic material is that it shall regain its initial form after compression, but this expansion should not be too fast as one then cannot handle, the sealing strip.
  • the expansion shall after elimination of the plastic film or after opening of the plastic film, to allow expansion, occur within a half to one hour.
  • the expansion is allowed by lowering the compression pressure, by eliminating or tearing the surrounding plastic film, or by heating up the adhesive in a suitable way to facilitate the expansion. Heating can be achieved with radiation heat, hot air or with another in this connection suitable heating source.
  • the plastic film for packaging should be eliminated in order to achieve a better connection/tight adhesion between for instance window frame and wall or between two wall elements .
  • Compression of the sealing strip after abso ⁇ tion of adhesive can also as mentioned occur by application of a vacuum. In such a case a more complicated equipment is needed and the sealing strip must be encased more effectively in a store cover to withstand expansion before use.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Sealing Material Composition (AREA)
  • Gasket Seals (AREA)

Abstract

The present invention concerns a sealing strip for filling, isolating and sealing of an air gap, between two constructional parts, e.g. a frame and a wall, between two walls etc. and which includes a compressible, elastic material, which is retained in its compressed state by a cover. The material is of such a type and/or is provided with an insert that in a compressed state is transversally stiff and in its longitudinal direction is bendable, preferably possible to wind-up. The sealing strip includes a retardation agent which delays the expansion. The cover of the sealing strip is openable and/or removable and the elastic material is expandable all over its length. The elastic material is a foam plastic impregnated with a retardation agent, e.g. foam of polyurethane, neoprene rubber, polyolefine and/or a copolymer of ethenevinylacetates. The retardation material is of the kind which under influence of the oxygen in the air, increased temperature, moisture or similar during a time of several minutes up to hours, successively eliminates the delay effect of the elastic material.

Description

SEALING STRIP BETWEEN TWO CONSTRUCTIONAL PARTS
The present invention concerns a sealing strip for filling, isolating and sealing an air space between two constructional parts, e.g. a frame and a wall between two walls, etc. and which includes a compressible, elastic material, which is retained in its compressed state by a cover and a method for producing the same.
THE BACKGROUND OF THE INVENTION
When applying window frames and door frames in a wall opening they are adjusted with the aid of wedges, whereafter the side parts of the frames are screwed or nailed on the wall.
Between these constructional parts is formed a gap, which is needed to allow the adjustment of the window or the door. The gap must be filled and the sealing must fulfil the demands on heat isolation. The sealing also serves as a barrier for moisture and steam, and for sound isolation.
Sealing of the gap is nowdays mainly done with strips of mineral wool covered in plastic which mineral wool is pressed into the gap against a bottom list with the aid of a tool. It still happens that hemp or jute is used as sealing material. A drawback with this known method is that it demands a lot of work, that it can be done so hard that, the frame is bending and gives an unsatisfactory result, as a guaranteed complete and even, filling cannot be achieved. Some of these problems can be solved by using a joining foam, which is sprayed into the gap and which expands during the setting. The joining foam is however during the spraying dangerous for the health , is not diffusion impermeable against the inside, the frame is fixated so that it cannot be adjusted later. Measures must be taken so that the side parts of the frames do not bend inwards during the foaming. The joining foam has unwanted features for the environment and is much more expensive than the sealing material and the sealing work together. In order to achieve a steam barrier it is also necessary to apply a diffusion tight elastic soft joining of for instance EPDM (Ethene Proper Rubber) or solid rubber.
THE PURPOSE WITHTHE INVENTION
The purpose with the invention is to solve the above mentioned problems and to achieve a sealing strip of the in the introduction mentioned type, which: - is simple to apply and place in right position also in narrow gaps,
- adapts itself also to relatively big gaps and unevenness ,
- does not give a harmful pressure against the surfaces which delimits the gap,
- can be adjusted afterwards,
- can be bent around a corner,
- can be cut in suitable lengths,
- has good heat and sound isolating characteristics,
- is diffusion tight and forms a steam barrier against the room,
- is cheap to manufacture,
- is environmentally friendly.
THE SOLUTION OF THE PROBLEM
These tasks have been solved by a material of such type and /or is provided with an insert, that in compressed state is transversally stiff and in its longitudinal direction is bendable, preferably possible to wind-up, that the sealing strip is provided with a material which delays the expansion and that the sealing strip is openable along one of the thin sides, and that the elastic material is expendable along its entire length.
DESCRIPTION OF THE DRAWINGS
The invention will below be more closely described in connection with a few embodiments and with reference to the enclosed drawings.
Figure 1 shows a horizontal cut through a window mounted within a wall opening and sealed with the sealing strip in accordance with the invention.
Figure 2 and 3 show cuts through the sealing strip in accordance with Figure 1 in compressed closed and in open, expanded state.
Figure 4 and 5 show with analogous cuts compared to Figure 2 and 3 a modified embodiment.
Figure 6 shows schematically a device for manufacturing of the sealing strip in accordance with the invention. DESCRIPTION OF EMBODIMENTS
The sealing strip in accordance with the invention, in the drawing designated 11, consists in its basic configuration of a compressable, elastic material 12 and a cover surrounding said elastic material, which in its uncompressed, i.e. expanded state has good heat isolating characteristics comprising elimination of air draught/passage. The material should have a cell structure with interconnecting open cells, and may consist of a suitable plastic foam, but may also be a cellulose derivate or similar. The important thing is that the material is so elastic that it can be compressed and regain essentially its original volume when the pressure ceases. The compression can occur in different ways, mechanically by pressing together the strip of plastic foam, e.g. when passing through the press nip between two ools or by vacuum but also for instance by drying a viscose sponge and then letting it expand by the influence of a liquid, which contains a binder which retains the sponge in its expanded state when the solvent in the binder has steamed away.
Depending on which method of compression that has been used, the cover is adapted thereafter. A vacuum compression demands that the cover is hermetically closed, which means that the strip has a limited length, e.g. is measure adapted, while a mechanical compression demands a cover , which can resist the pressure from the compressed material but can be open at the ends. Preferably a shrinking film can be used, which is shrinked with an oversize of the film so that transversal folds are formed, which in shrinked state form transversal reinforcement bands around the compressed strip. It is also possible that an insert 14 in the form of a paper or plastic band or similar stiffens the strip of plastic foam, which can be applied on one or both sides of the paper or plastic band.
If the compressible material consists of a viscose sponge the cover 13 has during transport and assembly only a protecting function. However, generally the cover 13 is after the assembly in a gap 15 between two constructional parts, e.g. a frame 16 or a wall 17, according to Figure 1, opened at least along the end border 19, which is turned against the outside while the end border which is turned against the room remains closed and forms a steam barrier 18 if the material in the cover is diffusion tight. The compression of the elastic sealing strip does not solely have the purpose of reducing the thickness, but by compressing and impregnating the plastic foam with an adhesive, the sealing strip, will have a certain stiffness perpendicular to its longitudinal direction and at the same time the strip remains bendable in its longitudinal direction so that it can be bent around a frame, and for easier handling also can be winded up for transportation. The adhesive can for instance be a bitumen mass, which when heated is softened so that expansion can occur, while at room temperature the adhesive prevents the compressed sealing strip from expansion.
The cover 13, which can consists of a plastic film, which only to a very limited degree participate in the expansion of the plastic foam, can at least at one end border, preferably at three end borders, be equipped with an inwards folded part, while the fourth end border, which in applied state is turned inwards and which is intended to be opened, lacks said folds. The purpose is to simplify the expansion, which will not be prevented by a "too tight" cover. The opening of the outward turned end side of the sealing strip, can most, simply be done with a knife, but it is also possible that when manufacturing the sealing strip apply, a tear thread or similar in said end side which thread when drawing it opens said end side.
The sealing strip is manufactured in the following way and as illustrated in the shown device in Figure 6. A web of cellular plastic 21 is fed into a tray 22, which is provided with a stirrer 23 and filled with a mass of bitumen for impregnating the web of cellular plastic. The mass of bitumen or other adhesive is preferably in the form of a water dispersion in order to achieve optimal penetration in the cellular plastic material. A suitable dispersion of bitumen comprising about 50 - 70 weights -% bitumen and about 30 - 50 weights -% water. The web of cellular plastic is fed through the tray 22 by conveyors 24, which in several places allow the web of cellular plastic to pass through the press nip of rolls 25 for compression and following expansion of the web of cellular plastic material in order to fill the cellularplastic material with a mass of bitumen. This mass of bitumen has such a temperature, at least 80 degrees Celsius, that the viscosity gives an easy penetration of the mass into the cellular plastic material. The viscosity of the adhesive, bitumen or other adhesive, can also be regulated by addition of a solvent, which is removed in a later step. The temperature of the bitumen is regulated by heating elements 26 applied in the tray 22. The web of cellular plastic material is thereby compressed to a few percent of its initial volume. The web of cellular plastic is thereafter allowed to expand, whereby it takes up a mass of bitumen through suction, (replacing air which earlier exists in the web). The web of cellular plastic 21 is thereafter again pressed, together in a pressing nip of a roll pair, 27, and is compressed again to a few percent of its earlier volume/thickness. The web of cellular plastic 21 is thereafter allowed to regain its initial volume or essentially its initial volume by expansion. Thereafter the web is fed on a conveyor through a drying means for elimination of the solvent in the mass of bitumen, or another for the purpose suitable adhesive composition, or for fixation of the bitumen or another adhesive composition. The web of cellular plastic is thereafter chilled and preferably treated with talcum in order to eliminate "tackiness". The amount of adhesive is about 20 - 30 weights -% of the weight if the end product. The amount of adhesive is however dependent of the cell structure and of the type of adhesive.
The web of cellular plastic is thereafter fed to a packaging station, where the web 21 of cellular plastic first is compressed between in the embodiment shown two pairs of pressure rolls 28 for compression of the web 21 of cellular plastic. At the same time two plastic films are fed on both side of the web 21 of cellular plastic, which films are welded together by heat welding or by induction welding with the aid of welding tools 21 along the both longitudinal sides of the compressed web of cellular plastic. In one embodiment the compressed web 21 of cellular plastic is divided along its longitudinal axis for production of two parallel webs, whereby the plastic film is also welded between said webs. In suitable mutual distance the compressed web 21 of cellular plastic is welded crosswise to its longitudinal axis by application of heat with the heating tools 32 and is cut to suitable lengths, preferably in pairs, in a cutting station 33. The compressed and in plastic films , packed webs 21 of cellular plastic is thereafter packed and stored berfore distribution.
The web of cellular plastic may consist of plastic of polyurethane, neoprene rubber or polyolefme, such as polyethylene, polypropylene. Different copolymers, such as ethenevinylacetate - copolymer, can also be suitable in order to achieve a sufficient form stable web of cellular plastic. The structure of the cellular plastic can be open or cross- linked. The web of cellular plastic can also on one of its sides have a closed cell structure achieved by a suitable cooling treatment and or heating treatment when producing the cellular plastic material, The web of cellular plastic can also be integrated with a plastic film on one or several sides if this is desirable in view of handling.
The used adhesive is preferably bitumen or a non-hardening adhesive, such as ethenevinylacetate acrylate, whereby when using an uncoloured adhesive of the mentioned type this adhesive is painted. Otherwise the cellular plastic material can be coloured to achieve a colour effect, as can be desirable when using the sealing strip as dilation joint in house constructions. In such a case the out-turned side of the joining/sealing strip should also be impermeable to allow painting.
The adhesive could also be provided with sodium silicate or aluminium hydroxide in order to improve the fire-retardation. When using sodium silicate 25% of a solution of waterglass in water is added to the adhesive.
The demand on the cellular plastic material is that it shall regain its initial form after compression, but this expansion should not be too fast as one then cannot handle, the sealing strip. The expansion shall after elimination of the plastic film or after opening of the plastic film, to allow expansion, occur within a half to one hour.
The expansion is allowed by lowering the compression pressure, by eliminating or tearing the surrounding plastic film, or by heating up the adhesive in a suitable way to facilitate the expansion. Heating can be achieved with radiation heat, hot air or with another in this connection suitable heating source.
At expansion the plastic film for packaging should be eliminated in order to achieve a better connection/tight adhesion between for instance window frame and wall or between two wall elements . Compression of the sealing strip after absoφtion of adhesive can also as mentioned occur by application of a vacuum. In such a case a more complicated equipment is needed and the sealing strip must be encased more effectively in a store cover to withstand expansion before use.
The invention is not limited to the above shown and described embodiments but a lot of variations are possible within the scope of the following patent claims.

Claims

PATENT CLAIMS
1. A sealing strip for filling, isolating and sealing of an air gap between two constructional parts, e.g. a frame and a wall, between two walls etc. and which includes a compressible, elastic material which is retained in its compressed state by a cover, whereby the material is of such a type and/or is provided with an insert, that it in compressed state is transversally stiff and in its longitudinal direction is bendable, preferably possible to wind- up, said sealing strip has a retardation agent which delays the expansion, and the cover of the sealing strip is openable and/or removable and the elastic material is expandable all over its length, characterized in that the elastic material consists of one with a retardation agent impregnated foamed plastic e.g. polyurethane foam, neoprene rubber, polyolefine and/or a copolymer of ehtenevinylacetates, and that the retardation agent is of a type which under the influence of the oxygen in the air, increased temperature, moisture or similar during a time of several minutes up to hours, successively eliminates the retardation effect of the elastic material.
2. A sealing strip according to claim 1, characterized in that the insert in the sealingstrip is a band of paper, plastic or similar, on which band on at least one side of it is applied or fastened said elastic material.
3. A sealing strip according to claim 1, characterized in that it is encased in a diffusionimpermeable cover.
4. A sealing strip according to claim 3, characterized in that the cover is a film of shrinking plastic.
5. Method for manufacturing of a sealing strip according to claims 1 - 4, characterized in that the elastic material in the form of a web of cellular plastic is applied in a tray (22) comprising adhesive in which tray the web (21) of cellular plastic through one or several compressions and following expansions takes up said adhesive, that the web (21) of cellular plastic thereafter with its contents of adhesive is exposed to a drying step, that the web of cellular plastic thereafter is exposed to a chilling step, that the web of cellular plastic is compressed to a few percent of its initial volume, that the web of cellular plastic thereafter is encased in a cover which retains the compression, that the web of cellular plastic finally possibly is divided and cut in for final use suitable form and/or length.
6. Method according to claim 5, characterized in that the adhesive is chosen from the group, consisting of bitumen and ethenevinylacetate acrylate.
7. Method according to claim 5, characterized in that the elastic material is a polymer material with open or cross linked structure, and is chosen from the group, consisting of polyurethane, neoprene rubber, polyolefines and ethenvinylacetate copolymer.
8. Method according to claim 5, characterized in that the adhesive is in the form of a water dispersion.
9. Method according to claim 7, characterized in that a solution of 25% sodium silicate (waterglass) it applied in the adhesive to make it t fire- retardent.
10. Method according to claim 7, characterized in that the polymer material has one side with impermeable cell structure.
PCT/SE1998/000668 1997-04-09 1998-04-09 Sealing strip between two constructional parts WO1998045565A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU70927/98A AU7092798A (en) 1997-04-09 1998-04-09 Sealing strip between two constructional parts

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9701292A SE9701292D0 (en) 1997-04-09 1997-04-09 Sealing strip between two structural parts
SE9701292-6 1997-04-09

Publications (1)

Publication Number Publication Date
WO1998045565A1 true WO1998045565A1 (en) 1998-10-15

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Country Status (3)

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AU (1) AU7092798A (en)
SE (1) SE9701292D0 (en)
WO (1) WO1998045565A1 (en)

Cited By (19)

* Cited by examiner, † Cited by third party
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WO2000037762A1 (en) * 1998-12-10 2000-06-29 Jerry Kumlin Process for preparing expandable fibrous material
WO2001021921A1 (en) * 1999-09-17 2001-03-29 Illbruck Gmbh Sealing strip for sealing a joint
WO2002072990A1 (en) * 2001-03-11 2002-09-19 Vkr Holding A/S System and methods for sealing to components such as building components, in particular windows, doors and similar building elements
WO2002090702A1 (en) * 2001-05-04 2002-11-14 Andersen Corporation Enveloped foam shim, fenestration installation kit and method for installing a fenestration
EP1936247A1 (en) 2006-12-18 2008-06-25 ISO-Chemie GmbH Sealing tape made of soft foam
EP1936246A1 (en) * 2006-12-18 2008-06-25 ISO-Chemie GmbH Sealing tape of foam material and its method of manufacture
DE102007029693A1 (en) * 2007-06-27 2008-08-07 Siemens Ag One-sided self adhesive insulating tape useful for expansion joints, sealings or prefabricated parts, consists of pre-compressed, impregnated polyurethane-soft foam, which is transferred with particles from electrically conducting material
EP2138665A2 (en) 2008-06-23 2009-12-30 ISO-Chemie GmbH Precompressed sealing tape
US20100047548A1 (en) * 2007-02-14 2010-02-25 Martin Deiss Sealing Tape for Sealing a Joint
EP2333177A1 (en) * 2009-12-11 2011-06-15 ISO-Chemie GmbH Precompressed sealing tape
EP2333178A1 (en) * 2009-12-11 2011-06-15 ISO-Chemie GmbH Precompressed sealing tape
US20110302873A1 (en) * 2009-12-11 2011-12-15 Iso-Chemie Gmbh Sealing Tape
EP2415942A1 (en) 2010-08-05 2012-02-08 ISO-Chemie GmbH Sealing tape
US8329275B2 (en) 2006-12-18 2012-12-11 Iso-Chemie Gmbh Sealing tape for sealing a gap
EP2505759A3 (en) * 2010-08-11 2014-11-12 A I B Slaczka, Szpura, Dytko spólka jawna Flashing tape, in particular for windows and doors and method of flashing tape production
CN104214268A (en) * 2014-07-15 2014-12-17 北京科英精益技术有限公司 Method for compressing and filling foams
EP3538718A1 (en) * 2016-11-08 2019-09-18 Tchüpp GmbH Expansion wool
CN110722806A (en) * 2019-11-01 2020-01-24 吉林大学 Filling method for elongated aluminum alloy section cavity
CN112127780A (en) * 2020-10-19 2020-12-25 王小兰 Expansion sealing strip applied to fireproof space and preparation method thereof

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EP2253790A1 (en) * 1999-09-17 2010-11-24 RPM Ireland IP Ltd. Sealing strip and method of making a foam strip
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US6672597B1 (en) 1999-09-17 2004-01-06 Illbruck Gmbh Sealing strip for sealing a joint
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WO2002072990A1 (en) * 2001-03-11 2002-09-19 Vkr Holding A/S System and methods for sealing to components such as building components, in particular windows, doors and similar building elements
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US8329275B2 (en) 2006-12-18 2012-12-11 Iso-Chemie Gmbh Sealing tape for sealing a gap
US8318280B2 (en) 2006-12-18 2012-11-27 Iso-Chemie Gmbh Sealing tape of soft foam and method for its production
US20100047548A1 (en) * 2007-02-14 2010-02-25 Martin Deiss Sealing Tape for Sealing a Joint
US8551594B2 (en) * 2007-02-14 2013-10-08 Iso-Chemie Gmbh Sealing tape for sealing a joint
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