EP3656940A1 - Schwellenpolster - Google Patents
Schwellenpolster Download PDFInfo
- Publication number
- EP3656940A1 EP3656940A1 EP18207977.2A EP18207977A EP3656940A1 EP 3656940 A1 EP3656940 A1 EP 3656940A1 EP 18207977 A EP18207977 A EP 18207977A EP 3656940 A1 EP3656940 A1 EP 3656940A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- load
- carrying
- sill
- pad
- rubber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920001971 elastomer Polymers 0.000 claims abstract description 55
- 239000005060 rubber Substances 0.000 claims abstract description 55
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 238000013016 damping Methods 0.000 claims abstract description 23
- 230000002787 reinforcement Effects 0.000 claims abstract description 19
- 230000008961 swelling Effects 0.000 claims abstract description 18
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 10
- 238000005304 joining Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 12
- 239000006260 foam Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 229920003052 natural elastomer Polymers 0.000 description 10
- 229920001194 natural rubber Polymers 0.000 description 10
- 244000043261 Hevea brasiliensis Species 0.000 description 8
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229920005549 butyl rubber Polymers 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229920001084 poly(chloroprene) Polymers 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003197 gene knockdown Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
Images
Classifications
-
- 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
- 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
- E04B1/36—Bearings or like supports allowing movement
-
- 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
- E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
-
- 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
- E04B2001/6818—Joints with swellable parts
Definitions
- the present inventive concept relates to a load-carrying, vibration-damping sill-pad for placement between two building elements and to a method of manufacturing the same.
- Sill-pads are load-carrying, resilient elements placed between building elements, for example between a wall and a floor, between a wall and a ceiling, or between a floor and a supporting structure of the floor. They absorb and dampen vibrations, thereby preventing the vibrations from propagating between the building elements and spreading throughout the building structure of which the building elements form part.
- sill-pads are produced as rectangular blocks of polyurethane.
- a load-carrying, vibration-damping and sound-insulating sill-pad for placement between two building elements, in the form of an extruded, preferably co-extruded, profile, comprising a load-carrying base block made of rubber, and at least one sealing lip made of rubber and formed on the base block.
- the one or more sealing lips extend longitudinally along the sill-pad.
- sealing lip should be understood a non-load-carrying member configured to provide sealing by pushing against a surface due to being biased through bending.
- a sill-pad which, through the sealing lip, may seal against at least one of the building elements.
- the sill-pad provides excellent sound insulation, by reducing transmission of sound through the gap between the building elements - such transmission being a case of so-called flanking transmission - to a degree otherwise not possible without additional sealing arrangements external to the sill-pad.
- both vibration damping between the building elements and excellent reduction of flanking transmission is provided by a single element, the sill-pad.
- the amount of construction material needed to provide both vibration damping and sound insulation is reduced, leading to a reduction in material cost and required installation work.
- the sill-pad is in the form of an elongated extruded profile in one piece, which can be cut to suitable length, the sill-pad is easy to install in comparison to individual, short, polyurethane blocks.
- the rubber may be ethylene propylene diene monomer rubber (EPDM), which is a durable material that has elastic properties and absorption properties that are well suited for vibration damping, as well good sealing properties.
- EPDM ethylene propylene diene monomer rubber
- the rubber may be any other natural or synthetic rubber such as natural rubber (NR), styrene rubber (SBR), chloroprene rubber (CR), butyl rubber (IIR), silicone rubber (Q), or a mixture thereof, such as a mixture of natural rubber and styrene rubber (NR/SBR).
- the base block may be made of rubber having a first hardness and the at least one sealing lip of rubber having a second hardness, wherein the second hardness is different from the first hardness.
- the second hardness is lower than the first hardness.
- the base block being made in a harder-grade rubber allows the base block to provide suitable hardness and stiffness to be load-carrying and have suitable elasticity properties for vibration damping, while the softer-grade rubber of the sealing lip allows the sealing lip to be soft enough to follow the surface of the building element, improving sealing, and thereby improving the reduction of flanking transmission of sound.
- the sill pad may further comprise one or more load-carrying bulges formed on top of the base block, with the one or more load-carrying bulges being made of rubber. Since the sill-pad is in the form of an extruded profile, the one or more load-carrying bulges extend longitudinally along the sill-pad. Typically, the one or more load-carrying bulges have a curved surface and/or extends outward from a substantially flat main surface of the base block.
- a building element located on top of the sill-pad will rest on the one or more load-carrying bulges.
- the existence of one or more load-carrying bulges allow tuning of the vibration-damping properties of the sill-pad, including frequency damping response, independently of the basic stiffness and load-carrying properties provided by the base block of the sill-pad. Due to the one or more load-carrying bulges providing an interface between the building element located on top of the sill-pad and the rest of the sill-pad, the geometry of the one or more load-carrying bulges will be decisive for the vibration-damping properties of the sill-pad.
- these properties may be tuned by varying the geometry, for example the cross-section area or surface curvature, of the one or more load-carrying bulges, or, alternatively or additionally, by adjusting the rubber hardness of the one or more load-carrying bulges.
- the one or more load-carrying bulges may be made of rubber having a third hardness different from the first hardness. Typically, the third hardness is lower than the first hardness.
- the first hardness may be a Shore A hardness in the range 40-90 and preferably in the range 60-90.
- the second hardness and/or the third hardness may be a Shore A hardness in the range 40-90 and preferably in the range 40-60.
- the base block may have a U-shaped cross-section, comprising a first load-carrying section, a second load-carrying section, and a joining section, the first load-carrying section and the second load-carrying section being transversally spaced and joined by the joining section, so that a gap for a fire swelling strip or a reinforcement strip is formed between the first load-carrying section and the second load-carrying section.
- the gap provides space for an optional thermally-expanding fire swelling strip which provides a fire barrier, improving fire safety.
- a reinforcement strip typically made of hard, such as 90 Shore A hardness, rubber, preferably EPDM, may be placed in the gap, in case a high load-carrying capacity is required.
- a sound-insulating foam strip may be placed in the gap for improving sound insulation and/or thermal insulation. This is advantageous when two sill pads meet at a 90-degree angle, each sill-pad having a 45-degree cut relative to their respective transversal directions, wherein the flexible sound-insulating foam strip may be bent at a 90-degree angle and put in the respective gaps across the interface between the two sill-pads, improving sealing in the gap between the sill pads.
- the gap formed in the sill-pad may be used for several different applications.
- the specific application may be chosen on the construction site according to need, using the same basic sill-pad, only supplemented with, e.g., a fire-swelling strip, a reinforcement strip, or a sound-insulating foam strip, according to need.
- a fire-swelling strip e.g., a fire-swelling strip, a reinforcement strip, or a sound-insulating foam strip, according to need.
- this is cost saving, as only one kind of sill-pad needs to be ordered and can be used in several different settings.
- the joining section may preferably have a thickness of at most 5 mm and more preferably at most 3 mm. This makes the joining section thin enough to allow the functions of the fire-swelling strip or the reinforcement strip to dominate, while still providing enough sturdiness for keeping the two load-carrying sections together.
- the gap may have snap stops located on either load-carrying section for keeping a reinforcement strip or similar in place.
- the sill-pad may further comprise a substantially flat lateral flange made of rubber, preferably EPDM, for nailing or stapling the sill-pad to one of the two building elements, wherein the lateral flange preferably has a thickness of at most 3 mm.
- a substantially flat lateral flange made of rubber, preferably EPDM, for nailing or stapling the sill-pad to one of the two building elements, wherein the lateral flange preferably has a thickness of at most 3 mm.
- This provides a convenient way of attaching the sill-pad to the lower one of the building elements by nailing the sill-pad to the lower one of the building elements.
- a fire swelling strip may be placed on the flange.
- a method of manufacturing load-carrying vibration-damping and sound-insulating sill-pad for placement between two building elements comprising extruding, preferably co-extruding a load-carrying base block made of rubber, and at least one sealing lip made of rubber and formed on the base block.
- the method may further comprise extruding, preferably co-extruding one or more load-carrying bulges formed on top of the base block, the one or more load-carrying bulges being made of rubber.
- a load-carrying, vibration-damping and/or sound-insulating sill-pad for placement between two building elements, in the form of an extruded profile made of rubber, comprising a load-carrying base block made of rubber, and one or more load-carrying bulges made of rubber, the one or more load-carrying bulges being formed on top of the base.
- a method of manufacturing a vibration-damping and/or sound-insulating sill-pad for placement between two building elements comprising extruding, preferably co-extruding a load carrying base block made of rubber, and one or more load-carrying bulges made of rubber, the one or more load-carrying bulges being formed on top of the base.
- a load-carrying, vibration-damping sill-pad for placement between two building elements, in the form of an extruded profile, comprising a load-carrying base block made of rubber, wherein the base block has a U-shaped cross-section, comprising a first load-carrying section, a second load-carrying section, and a joining section, the first load-carrying section and the second load-carrying section being transversally spaced and joined by the joining section, so that a gap for a fire swelling strip or a reinforcement strip is formed between the first load-carrying section and the second load-carrying section, the joining section preferably having a thickness of at most 5 mm and more preferably at most 3 mm.
- a method of manufacturing load-carrying vibration-damping sill-pad for placement between two building elements comprising extruding a load-carrying base block made of rubber, wherein the base block has a U-shaped cross-section, comprising a first load-carrying section, a second load-carrying section, and a joining section, the first load-carrying section and the second load-carrying section being transversally spaced and joined by the joining section, so that a gap for a fire swelling strip or a reinforcement strip is formed between the first load-carrying section and the second load-carrying section, the joining section preferably having a thickness of at most 5 mm and more preferably at most 3 mm.
- kits comprising the sill-pad of the first, third, or fifth aspects, and one or more selected from the following, adapted to fit in the gap: a fire swelling strip, a reinforcement strip and/or a sound-insulating strip.
- Fig. 1 shows a cross-sectional view of a sill-pad 2 in the form of an extruded profile made of rubber.
- the rubber is ethylene propylene diene monomer rubber (EPDM), but other natural or synthetic rubbers such as natural rubber (NR), styrene rubber (SBR), chloroprene rubber (CR), butyl rubber (IIR), silicone rubber (Q) or a mixture thereof, such as a mixture of natural rubber and styrene rubber (NR/SBR) are also possible.
- EPDM ethylene propylene diene monomer rubber
- NR natural rubber
- SBR styrene rubber
- CR chloroprene rubber
- IIR butyl rubber
- silicone rubber Q
- the sill-pad 2 when in use, provides vibration damping by absorbing vibrations from one more building elements with which it is in contact.
- the sill-pad 2 is in the form of an extruded profile, it has the same cross-section along the length of the sill-pad.
- the extruded profile may be cut into suitable lengths either at the point of manufacturing or at the point of use. A typical such length is several meters.
- the sill-pad 2 is mainly formed by a load-carrying base block 4.
- the outer envelope of the base block 4 is generally rectilinear, having a width D1, which typically may be about 60 mm.
- the base block 4 has an optional gap 14 which will be further described below.
- the base block 4 has a height D4, which typically is about 17 mm.
- the base block 4 is made from rubber having a first Shore A hardness in the range 40-90 and preferably in the range 60-90. Typically, it may be made from rubber having a Shore A hardness of 70.
- the base block 4 When the sill-pad 2 is in use for damping vibrations between an upper building element (not shown) and a lower building element (not shown), the base block 4 will rest with its lower surface on the lower building element and the upper building element will rest on top of the sill-pad 2.
- each opposite lateral upper corner of the base block 4 there is a diagonally upward-pointing sealing lip 6.
- These two sealing lips 6 thus formed extend up to a height D6, which is larger than the height D4 of the base block 4 and the height D5 of the optional load-carrying bulges 8 (see below). Therefore, with the sill-pad 2 in use, the upper building element will push downwards onto the sill-pad on which it is resting, bending the sealing lips 6, biasing the sealing lips 6 through bending so that the sealing lips 6 push back against the building element, sealing against the surface of the upper building element, thereby reducing sound transmission through the gap between the upper building element end the lower building element.
- a typical height D6 is about 26 mm.
- the sealing lips 6 may be made from rubber having a second Shore A hardness in the range 40-90, preferably in the range 40-60. Typically, the sealing lips 6 may be made from rubber having a Shore A hardness of 50.
- the sealing lips 6 may be omitted from the sill-pad 2.
- the sill-pad 2 optionally further comprises a set of load-carrying bulges 8 formed on top of the base block 4, which here has the form of an otherwise substantially flat surface.
- each bulge 8 has a semicircular cross-section, thus having a curved surface, although other geometries for the budge 8 are equally possible.
- the diameter of each of the semicircles forming each bulge 8 may be between 3 mm and 10 mm.
- the diameter of each bulge 8 semicircle may be about 6 mm.
- the upper building element With the sill-pad in use, the upper building element will rest on the load-carrying bulges 8, which will slightly compress along with the base block 4. In an uncompressed state, the bulges reach to a height D5, which amounts to the height of the base block 4 plus the radius of the bulges. This height D5 lies between the height D6 of the sealing lip 6, when present, and the height D4 of the base block 4.
- the load carrying bulges 8 may be made from rubber having a third Shore A hardness in the range 40-90, preferably in the range 40-60. Typically, they may be made from rubber having a Shore A hardness of 50.
- the base block 4 may, instead of being a solid block having a rectangular cross section, have a U-shaped cross-section, comprising, as depicted in Fig. 1 , a first load carrying-section 10 and a second load-carrying section 12, transversally spaced apart from each other and therebetween joined by a thin joining section 16, thereby forming a gap 14 between the first load-carrying section 10 and the second load-carrying section 12.
- the joining section 16 will rest on the lower building element.
- the first load-carrying section 10 has a width D7 and the second load-carrying section 12 has a width D8.
- widths D7 and D8 are each between 20% and 40% of the total width D1 of the base block 4.
- D7 and D8 are each about one third of D1, or about the same as the height D4 of the base block.
- each of D7 and D8 are between 10 mm and 30 mm.
- a typical value for each of D7 and D8 is about 20 mm.
- the ratios and measurements above allow for a good balance between the load-carrying and vibration-damping properties of the first load-carrying section 10 and the second load-carrying section 12 and leaving enough space in the gap for proper functioning of, e.g., a fire swelling strip or a reinforcement strip (see below).
- the joining section 16 preferably has a height D9 of less than 5 mm and more preferably of less than 3 mm.
- a typical value of D9 is, as depicted, about 2 mm.
- the gap may preferably have a height D4-D9 of at least 30% of the height D4 of the base block, more preferably least 50% of the height D4 of the base block, and most preferably at least 70% of the height D4 of the base block.
- An optional fire swelling strip 18 may be placed in the gap 14. Such a strip is intumescent, i.e ., it swells when heated. Thus, in case of fire, the fire swelling strip will expand, forming a fire barrier.
- the fire swelling strip 18 may for example be glued to the joining section 16. It will typically have a width slightly shorter than the width D1-D7-D8 of the gap 14, typically about 20 mm.
- the sill-pad 2 may further comprise an optional substantially flat lateral flange 22, which, with the sill-pad in use, will rest on the lower building element.
- the flange 22 is suitable for attaching the sill-pad to the lower building element, for example through nailing.
- the lateral flange 22 has a width D2.
- D2 is preferably at least 10 mm and more preferably at least 20 mm, allowing for enough space for nailing the lateral flange 22 to the lower building element.
- a typical width D2 is about 30 mm, as depicted.
- the lateral flange 22 has a height D3.
- D3 is preferably not more than 3 mm to allow for easy nailing of the flange 22 to the lower building element.
- a typical value of D2 is about 2 mm.
- the ratio of the width D2 of the lateral flange 22 to the height D3 of the lateral flange 22 is preferably at least 3:1, more preferably at least 5:1, and even more preferably at least 10:1, and most preferably about 15:1.
- the height D3 of the substantially flat lateral flange may amount to at most 30% of the height D4 of the base block, preferably at most 20% of the height D4 of the base block, and most preferably at most 12% of the height D4 of the base block.
- the lateral flange 22 may be made from rubber having a fourth Shore A hardness in the range 40-90, preferably in the range 40-60. Typically, they may be made from rubber having a Shore A hardness of 50. Making the lateral flange in a relatively softer-grade rubber allows for easy attachment of the sill-pad 2 to the lower building element, since it will be easy to knock down nails trough the flange 22 into the lower building element.
- a reinforcement strip 24 may be placed in the gap 14. This finds use where a high load is to be carried by the sill-pad 2.
- the reinforcement strip 24 may, as depicted, have one or more, typically two, load-carrying bulges 8, typically of the same kind as the base block 4.
- the fire swelling strip 18 may be placed in the substantially flat flange 22.
- the base block 4 may have, on each side of the gap 14, snap stops 20.
- a sound-insulating foam strip may be placed in the gap 14.
- a foam strip may be made from cellular rubber and preferably have a density in the range 0,4 - 0,8 g/cm 3 .
- the flexible sound-insulating foam strip may be bent at a 90-degree angle and put in the respective gaps across the interface between the two sill-pads.
- the foam strip may have an internal cavity which may extend along the length of the foam strip.
- the sill-pad 2 may be manufactured by co-extruding the base block 4 and one or more of the sealing lips 6, load-carrying bulges 8, and substantially flat flange 22 using methods known per se.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18207977.2A EP3656940A1 (de) | 2018-11-23 | 2018-11-23 | Schwellenpolster |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18207977.2A EP3656940A1 (de) | 2018-11-23 | 2018-11-23 | Schwellenpolster |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3656940A1 true EP3656940A1 (de) | 2020-05-27 |
Family
ID=64476936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18207977.2A Pending EP3656940A1 (de) | 2018-11-23 | 2018-11-23 | Schwellenpolster |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP3656940A1 (de) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5833646A (ja) * | 1981-08-25 | 1983-02-26 | Nitto Electric Ind Co Ltd | コンクリ−ト構造物の水密接続構造 |
DE19731802A1 (de) * | 1997-07-24 | 1999-01-28 | Hans Guenter Dipl Ing Lehnen | Anpress- und Fugendichtungen für Wandmodulbausysteme |
DE102012101989A1 (de) * | 2011-03-16 | 2012-09-20 | Stekox Gmbh | Auflager, insbesondere für zwei zueinander positionierbare Bauteile |
-
2018
- 2018-11-23 EP EP18207977.2A patent/EP3656940A1/de active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5833646A (ja) * | 1981-08-25 | 1983-02-26 | Nitto Electric Ind Co Ltd | コンクリ−ト構造物の水密接続構造 |
DE19731802A1 (de) * | 1997-07-24 | 1999-01-28 | Hans Guenter Dipl Ing Lehnen | Anpress- und Fugendichtungen für Wandmodulbausysteme |
DE102012101989A1 (de) * | 2011-03-16 | 2012-09-20 | Stekox Gmbh | Auflager, insbesondere für zwei zueinander positionierbare Bauteile |
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