EP2886744B1 - Formwork insert - Google Patents
Formwork insert Download PDFInfo
- Publication number
- EP2886744B1 EP2886744B1 EP13197712.6A EP13197712A EP2886744B1 EP 2886744 B1 EP2886744 B1 EP 2886744B1 EP 13197712 A EP13197712 A EP 13197712A EP 2886744 B1 EP2886744 B1 EP 2886744B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- formwork
- top wall
- collar element
- tube
- breakthrough
- 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.)
- Active
Links
- 238000009415 formwork Methods 0.000 title claims description 84
- 238000007789 sealing Methods 0.000 claims description 36
- 229920002943 EPDM rubber Polymers 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 claims 1
- 239000011796 hollow space material Substances 0.000 claims 1
- 238000009416 shuttering Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 6
- 244000089486 Phragmites australis subsp australis Species 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
- E04G15/06—Forms or shutterings for making openings, cavities, slits, or channels for cavities or channels in walls of floors, e.g. for making chimneys
- E04G15/061—Non-reusable forms
Definitions
- the present invention relates to a formwork insert for keeping a recess in a building structure, such as a concrete wall, a concrete floor or a concrete floor, in the region of a pipe penetration through the building structure according to the preamble of claim 1.
- a formwork insert which keeps free one end of a piece of pipe to be embedded in a floor or in a wall.
- the formwork liner is mounted on a formwork board with the cavity of the formwork liner facing the formwork board. During the subsequent casting of the concrete, the liquid concrete can not flow into the formwork insert, whereby a cavity or a recess in the building structure can be provided.
- the formwork insert from the CH 687 101 discloses the features of the introductory part of claim 1.
- a disadvantage of the technical teaching of the CH 687 101 is the fact that in an inaccurate cut along the grooves, liquid concrete through the gap between the formwork liner and the pipe outside can flow into the cavity of the formwork liner.
- the invention has for its object to provide a formwork insert, which overcomes the disadvantages of the prior art.
- the formwork insert should be designed such that it can be used more efficiently.
- a formwork insert for a building structure comprises a formwork housing with a top wall and a side wall adjoining the top wall and revolving around the top wall, the top wall and side wall defining a cavity. At least one aperture extending through the top wall along a central axis is disposed in the top wall. Furthermore, the formwork insert comprises a sleeve element with a central opening for receiving a pipe to be passed through the opening. The sleeve member extends circumferentially around the aperture and extends at least partially along the central axis of the aperture into the aperture. The sleeve element is completely encircling. The sleeve member has sound insulating and sealing properties.
- the formwork liner is easier to use in a shorter time, because the use of the thermosetting foam is eliminated.
- the cavity is not filled with the foam, which prevents a later scratching the same. All in all, the formwork insert according to the invention can thus be used more efficiently.
- the side wall ends with a Strin configuration, which lies in a plane.
- the formwork liner is in use on a formwork board.
- the end face also surrounds the said cavity.
- the sleeve element is softer and / or more elastic than the formwork housing.
- the sleeve member is good sealing and sound-insulating on the outside of the tube.
- the sleeve member extends completely through the aperture.
- the sleeve member thus has seen in the direction of the central axis an extent which corresponds at least to the thickness of the top wall.
- the sleeve member extends from the top of the top wall over the top of the top wall.
- the sleeve member extends from the underside of the top wall over the underside of the top wall. In the latter case, the sleeve thus extends into the cavity of the formwork housing.
- the top wall according to the invention is a flat wall and the side wall is at an angle to this flat wall.
- the angle between the top wall and the side wall can be 90 ° or greater.
- the sleeve element comprises on its outer side a circumferential groove, in which the top wall protrudes.
- the groove width of the groove substantially corresponds to the thickness of the top wall or the groove width is greater or smaller than the thickness of the top wall.
- the sleeve member can be stored in the opening of the formwork housing.
- the sleeve element has on its inside at least one circumferential sealing lip which can be applied to an outer surface of the tube.
- a possible gap between the outer surface of the tube and the sleeve member is bridged and it may, in particular with respect to fluids and Solid density, sealing point between the tube and sleeve element can be provided.
- the sealing lip extends from the inside into the central opening and reduces the diameter of the central opening.
- the clear width in the region of the sealing lip is then preferably smaller than the outer diameter of the tube.
- the sealing lip is preferably oriented at an angle to the central axis.
- the sealing lip is oriented such that it has a kind of inlet section for the tube and can be moved during insertion of the tube against the inside of the sleeve element.
- the sleeve element has a conically formed inlet region, the diameter of which decreases from the end face of the sleeve element as seen along the central axis with increasing distance from the end face.
- this conical inlet region extends from the top of the top wall away from the top wall. This means that the Strinseite spaced from the top.
- the sleeve element is configured cantilevered with respect to its outer shape over the upper side of the cover wall.
- the projection has seen in cross-section preferably in the form of a circumferential around the central axis concave recess.
- the sleeve member is integrally formed on the formwork housing. It can also be spoken of a cohesive connection, which for example via a Two-component injection molding process can be produced. It is a non-detachable connection between the formwork housing and the sleeve member.
- the sleeve element can be mechanically connected to the formwork element. Preferably via a positive connection or a frictional connection.
- the sleeve member is releasably connected to the formwork housing in connection.
- the sleeve member is an elastomeric body.
- the sleeve member of ethylene-propylene-diene rubber (EPDM).
- EPDM ethylene-propylene-diene rubber
- the sleeve element has a hardness in the range of 50 to 70 IRHD, in particular 60 IRHD.
- IRHD international rubber grades
- the sleeve element is preferably formed in one piece. The same can be said for the shuttering housing.
- the sleeve member has the shape of a profile which extends around the aperture.
- the aperture has a circular cross-section.
- the sleeve element is rotationally symmetrical with respect to a central axis.
- An arrangement comprises a formwork insert according to the above description and a pipe guided through the opening with an outer surface, wherein between the outer surface of the pipe and the breakthrough is the sleeve element which is elastically compressed at least in regions by the pipe.
- the tube is surrounded by a shell lying on the outer surface, which shell extends in sections between the tube and sleeve element, in particular up to the sealing lip.
- the tube is surrounded by a jacket lying on the outer surface of an insulating material, wherein parts of the Cuff element, in particular over the top of the top wall lying parts, hineinerarranged in the jacket.
- a formwork liner 1 according to an embodiment of the present invention for a building structure in the uninstalled state is shown.
- the formwork insert 1 serves to provide a cavity in the region of a pipe passage through a building structure, such as a wall or a ceiling.
- a building structure such as a wall or a ceiling.
- the Cavity has the function of providing a cavity for the pipe end of a pipe 9, which is passed through the building structure G.
- the pipe 9 passed through the building structure G is connected to another pipe 23.
- a corresponding pipe sleeve 24 is shown for the connection of the two tubes 9, 23 .
- the pipe sleeve 24 protrudes into the cavity 5, which is provided by the shuttering insert 1.
- the building structure G is typically poured through liquid concrete.
- the formwork insert 1 comprises a formwork housing 2 with a top wall 3 and a side wall 4 adjoining the top wall 3 and encircling the top wall 3.
- the top wall 3 and the side wall 4 delimit or define a cavity 5.
- This cavity 5 corresponds to the cavity, in FIG which the pipe sleeve 24 comes to rest.
- the side wall 4 extends completely around the top wall 3 around. In other words, the side wall 4 extends along the boundary edge of the top wall 3.
- the side wall 4 extends at an angle to the top wall 3.
- the angle carries the reference numeral ⁇ in the FIG. 4 and is typically 90 ° or greater. More preferably, the angle is about 91 ° to 95 °.
- the side wall 4 ends opposite the top wall 3 with an end face 25, which is flush with the building structure when installed.
- an opening 6 is arranged in the top wall 3.
- the opening 6, which can also be referred to as an opening, here has a circular cross-section.
- the cross section may also have a different shape.
- the shape of the breakthrough preferably corresponds to the cross-sectional shape of the tube.
- the opening 6 extends along a central axis M completely through the top wall 3 from its top 10 to the bottom 11 therethrough.
- the opening 6 is bounded by a provided by the top wall 3 lateral surface 27.
- the tube 9 is guided through the top wall 3 in the cavity 5.
- the formwork insert 1 comprises a sleeve element 7, which is arranged in the region of the opening 6.
- the sleeve member 7 has a central opening 8, which serves to receive the pipe 9 to be passed through the opening 6.
- the sleeve member 7 extends circumferentially around the aperture 6 around. Under circulating a complete circulation is understood.
- the sleeve element 7 thus has no interruption. Seen along the central axis M, the sleeve element 7 extends at least partially into the opening 6. In the embodiment shown, the sleeve element 7 extends completely through the aperture 6 and also beyond it, namely beyond the upper side 10 and the lower side 11 of the cover wall 3.
- the sleeve member 7 has sound insulating and sealing properties with respect to liquids and solids.
- the sleeve member 7 thus has on the one hand the function to prevent a sound coupling from the pipe 9 to the formwork housing 2. This is especially important in later use.
- the sleeve member 7 serves as a sealing member between the aperture 6 and the pipe 9.
- the sleeve member 7 prevents liquid concrete or concrete milk from entering through the area between the aperture 6 and the outer surface 20 of the pipe 9.
- the cavity 5 becomes in the manufacture of the building structure G not filled by concrete or concrete milk.
- the sleeve element 7 is particularly preferably softer and more elastic than the shuttering housing 2. Consequently, the sleeve element 7 can be easily deformed with respect to the shuttering housing 2.
- the sleeve element 7 along the central axis M extends completely through the opening 6 extends therethrough. Furthermore, the sleeve element 7 extends from the upper side 10 of the cover wall 3 beyond the upper side 10 of the cover wall 3. The same can be said with respect to the underside 11 of the top wall 3.
- the sleeve member 7 extends from the bottom 11 of the top wall over the bottom 11 of the top wall. The sleeve member 7 so protrudes into the cavity 5 a.
- the sleeve member 7 on its outer side 12 has a circumferential groove 13.
- the top wall 3 protrudes.
- the groove 13 has a groove width R.
- the groove width R is here greater than the thickness D of the top wall 3. Consequently, the sleeve member 7 is mounted with an axial play in the direction of the central axis M in the formwork housing 2.
- the groove width R may also correspond to the thickness D of the top wall or may be smaller than the thickness D.
- the sleeve element 7 would be clamped to formwork housing 2.
- the groove 13 adjoins, here in the region of the underside 11, a conical running surface 26.
- This conical surface 26 serves essentially as an assembly aid in the assembly of the sleeve member 7 in the opening 6.
- the sleeve member 7 can be positioned over the conical surface 26 at the opening 6 and then pushed into the opening 6 until the groove 13 at the height the top wall 3 comes to rest and the top wall 3 hineinerstreckt into the groove 13.
- the sleeve element 7 On its inner side 14, the sleeve element 7 has at least one circumferential sealing lip 15.
- the sealing lip 15 can be applied to an outer surface 20 of the tube 9 at protruding tube 9 and provides a corresponding sealing effect.
- exactly one single sealing lip 15 is shown, which is at an angle to the central axis M.
- a plurality of sealing lips may also be arranged at a distance from one another in the direction of the center axis M.
- the sealing lip 15 and the sealing lips extend completely circumferentially about the central axis M.
- the sealing lip 15 and the sealing lips thus have no interruption.
- the sealing lip 15 is formed on the sleeve member, wherein the sleeve member 7 is integrally formed.
- the sealing lip 15 or the sealing point is arranged erfindgunscopy such that, when the sleeve member 7 is in the opening 6 in the ready-to-use position, in the region of the lateral surface 27 of the opening 6.
- the lateral surface thereby provides a stop for the sleeve element 7 so that it can not expand radially with respect to the central axis M when the tube 9 protrudes.
- the sleeve element 7 has a conically formed inlet region 16 on its inner side 14.
- the diameter of the inlet region 16 decreases with increasing distance from the end face 17 of the sleeve element 7 along the central axis M.
- the conical inlet region 16 essentially serves to position the tube 9 to the opening 8 of the sleeve element 7, so that the tube centrally through the opening. 8 to be led. In this way, the most accurate positioning of the tube 9 in the central opening 8 can be achieved. As a result, the effect of the sealing lip 15 or of the sleeve element 7 is improved on the tube.
- the sleeve element 7 is formed projecting over the top 10 of the top wall 3.
- the diameter of the outer side 12 of the sleeve member 7 is thus increased with increasing distance from the top 10. This projection has the advantage that the sleeve member 7 can work optimally with the tube 9, as it is based on the FIGS. 6 to 8 is explained below.
- the sleeve element 7 can be formed on the formwork housing 2. This is preferably a cohesive connection between the sleeve element 7 and the shuttering housing 2. Particularly preferably, the sleeve element 7 and the shuttering housing 2 are produced by a two-component injection molding process. Alternatively, the sleeve element 7 can also be glued to the formwork housing 2. This embodiment provides a one-piece formwork insert 1, which is composed of the formwork housing 2 and the sleeve element 7. The sleeve element 7 is non-detachable connected to the shuttering housing 2.
- the sleeve element 7 can also be connected to the formwork housing 2 in a mechanically positive or non-positive manner. With regard to the mechanical connection, the groove 13 is advantageously arranged.
- the sleeve element 7 is detachably connected to the shuttering housing 2.
- the sleeve member 7 is preferably an elastic body.
- an elastomeric body In particular, sleeve member is made from ethylene-propylene-diene rubber and preferably has a hardness in the range of 50 to 70 IRHD, especially 60 IRHD.
- the cross section of the tube 9 is preferably equal to the cross section of the opening 6 and the central opening 7. Particularly preferred are circular cross sections.
- the formwork housing 2 has further openings 18 for the storage of fasteners 19, such as fastening nails 19, on.
- fasteners 19 such as fastening nails 19, on.
- the formwork housing 2 rests with its end face 25 on the formwork panel and the fastening elements 19 are connected to the formwork panel.
- the fasteners 19 are torn out after removal of the formwork panel from the formwork housing.
- FIG. 6 A first embodiment of an arrangement with a formwork insert 1 and a tube 9 passed through the aperture 6 is shown.
- the tube 9 has an outer surface 20, which is in direct contact with the sleeve member 7.
- the sleeve member 7 is located between the outer surface 20 of the tube 9 and the lateral surface 27 of the opening 6.
- the sleeve member 7 is at least partially elastically compressed by the tube 9.
- the sealing lip 15 is elastically compressed by the tube.
- the pipe 9 is a so-called empty pipe without a sheath.
- the outer surface 20 is in direct contact with the sealing lip 15, which provides a sealing action between the shuttering housing 1 and the tube 9.
- the tube 9 protrudes in the embodiment shown from the top 10 forth through the opening 6 and into the cavity 5 of the formwork housing 2 a.
- FIG. 7 a second embodiment of the arrangement, which comprises a formwork insert 1 and a tube 9 passed through the aperture 6, is shown.
- the tube 9 has a shell 21 lying on its outer side 20.
- the tube 9 is in equal contact with the sleeve member 7, as with respect to FIG. 6 explained.
- the outer side 20 of the tube 9 is in contact with the sleeve member 7, here via the sealing lip 15.
- the shell 21 projects in sections into the conical inlet region 16 a.
- the sheath 21 is in contact with the tube 9 and on the outside with the sleeve element 7.
- the sheath 21 extends to the sealing lip 15th
- FIG. 8 For example, another embodiment of the assembly including a form liner 1 and a pipe 9 is shown.
- the tube 9 is substantially the same as in FIG FIG. 6 arranged arrangement arranged.
- the outer side 20 of the tube 9 is in contact with the sleeve member 7, here on the sealing lip 15.
- the tube is surrounded here with a sheath 22 made of an insulating material.
- the sheath 22 is made of a relatively soft material and surrounds the said parts of the sleeve element 7 substantially completely.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Description
Die vorliegende Erfindung betrifft eine Schalungseinlage zum Freihalten einer Aussparung in einer Gebäudestruktur, wie einer Betonwand, eines Betonbodens oder einer Betondecke, im Bereich einer Rohrdurchführung durch die Gebäudestruktur nach dem Oberbegriff von Anspruch 1.The present invention relates to a formwork insert for keeping a recess in a building structure, such as a concrete wall, a concrete floor or a concrete floor, in the region of a pipe penetration through the building structure according to the preamble of
Aus der
Die Schalungseinlage aus der
Nachteilig an der technischen Lehre nach der
Um dies zu verhindern sind die Installateure teilweise dazu übergegangen, die Schnitte im Vergleich zum Rohr enger auszuführen, so dass das Rohr in der Schalungseinlage geklemmt wurde. Allerdings findet bei dieser Art der Rohrdurchführung eine Schallübertragung vom Rohr auf die Schalungseinlage und die Wand statt. Auch haben die Installateure die Schalungseinlage im Bereich des Rohrdurchtrittes mit einem aushärtenden Schaum gefüllt, was einerseits sehr aufwändig ist und andererseits bezüglich handwerklicher Gesichtspunkte alles andere als eine professionelle und dauerhafte Lösung ist.In order to prevent this, the installers have partly proceeded to make the cuts narrower in comparison to the pipe, so that the pipe was clamped in the formwork liner. However, in this type of pipe feedthrough a sound transmission from the pipe to the formwork liner and the wall takes place. The installers also have the formwork in the area of the pipe penetration with a hardening Foam filled, which is on the one hand very complex and on the other hand with regard to technical aspects is anything but a professional and permanent solution.
Ausgehend von diesem Stand der Technik liegt der Erfindung eine Aufgabe zugrunde, eine Schalungseinlage anzugeben, welche die Nachteile des Standes der Technik überwindet. Insbesondere soll die Schalungseinlage derart ausgebildet sein, dass diese effizienter einsetzbar ist.Based on this prior art, the invention has for its object to provide a formwork insert, which overcomes the disadvantages of the prior art. In particular, the formwork insert should be designed such that it can be used more efficiently.
Diese Aufgabe löst der Gegenstand von Anspruch 1. Demgemäss umfasst eine Schalungseinlage für eine Gebäudestruktur ein Schalungsgehäuse mit einer Deckwand und einer sich der Deckwand anschliessende und um die Deckwand umlaufende Seitenwand, wobei Deckwand und Seitenwand einen Hohlraum definieren. In der Deckwand ist mindestens ein sich durch die Deckwand entlang einer Mittelachse hindurch erstreckender Durchbruch angeordnet. Weiter umfasst die Schalungseinlage ein Manschettenelement mit einer zentralen Öffnung zur Aufnahme eines durch den Durchbruch hindurchzuführendes Rohr. Das Manschettenelement erstreckt sich umlaufend um den Durchbruch herum und erstreckt sich entlang der Mittelachse des Durchbruchs mindestens teilweise in den Durchbruch hinein. Das Manschettenelement ist dabei vollständig umlaufend ausgebildet. Das Manschettenelement weist schalldämmende und dichtende Eigenschaften auf.This object is achieved by the subject matter of
Mit dem Manschettenelement, welches zwischen der Schalungseinlage und dem Durchbruch angeordnet ist, wird aufgrund seiner Ausbildung eine Schallübertragung vom Rohr auf die Schalungseinlage verhindert und es wird eine Dichtung zwischen Rohr und Schalungseinlage bereitgestellt, so dass flüssiger Beton nicht zwischen das Rohr und den Durchbruch in den Hohlraum gelangen kann. Durch das Manschettenelement wird die Schalungseinlage einfacher in einer kürzeren Zeit einsetzbar, weil der Einsatz des aushärtenden Schaums entfällt. Zudem wird der Hohlraum auch nicht mit dem Schaum gefüllt, was ein späteres Auskratzen desselben verhindert. Alles in allem kann die erfindungsgemässe Schalungseinlage also effizienter eingesetzt werden.With the sleeve member, which is arranged between the formwork liner and the breakthrough, due to its formation, a sound transmission from the pipe is prevented on the formwork liner and there is provided a seal between the pipe and formwork liner, so that liquid concrete between the pipe and the breakthrough in the Cavity can get. By the sleeve element, the formwork liner is easier to use in a shorter time, because the use of the thermosetting foam is eliminated. In addition, the cavity is not filled with the foam, which prevents a later scratching the same. All in all, the formwork insert according to the invention can thus be used more efficiently.
Gegenüber der Deckwand endet die Seitenwand mit einer Strinfläche, welche in einer Ebene liegt. Mit dieser Stirnfläche liegt die Schalungseinlage im Einsatz auf einem Schalungsbrett auf. Die Stirnfläche umgibt zudem den besagten Hohlraum.Opposite the top wall, the side wall ends with a Strinfläche, which lies in a plane. With this face, the formwork liner is in use on a formwork board. The end face also surrounds the said cavity.
Besonders bevorzugt ist das Manschettenelement weicher und/oder elastischer als das Schalungsgehäuse ausgebildet. Hierdurch liegt das Manschettenelement gut dichtend und schalldämmend an der Aussenseite des Rohres an.Particularly preferably, the sleeve element is softer and / or more elastic than the formwork housing. As a result, the sleeve member is good sealing and sound-insulating on the outside of the tube.
Vorzugsweise erstreckt sich das Manschettenelement entlang der Mittelachse gesehen vollständig durch den Durchbruch hindurch. Das Manschettenelement weist also in Richtung der Mittelachse gesehen eine Ausdehnung auf, welche mindestens der Dicke der Deckwand entspricht.Preferably, as viewed along the central axis, the sleeve member extends completely through the aperture. The sleeve member thus has seen in the direction of the central axis an extent which corresponds at least to the thickness of the top wall.
Besonders bevorzugt erstreckt sich das Manschettenelement von der Oberseite der Deckwand über die Oberseite der Deckwand. Alternativ oder zusätzlich dazu erstreckt sich das Manschettenelement von der Unterseite der Deckwand über die Unterseite der Deckwand. Im letzteren Fall erstreckt sich die Manschette also in den Hohlraum des Schalungsgehäuses hinein.Particularly preferably, the sleeve member extends from the top of the top wall over the top of the top wall. Alternatively or additionally, the sleeve member extends from the underside of the top wall over the underside of the top wall. In the latter case, the sleeve thus extends into the cavity of the formwork housing.
Die Deckwand ist erfindungsgemäß eine ebene Wand und die Seitenwand steht winklig zu kann dieser ebenen Wand. Der Winkel zwischen Deckwand und Seitenwand kann 90° oder grösser sein.The top wall according to the invention is a flat wall and the side wall is at an angle to this flat wall. The angle between the top wall and the side wall can be 90 ° or greater.
Erfindungsgemäß umfasst das Manschettenelement auf seiner Aussenseite eine umlaufende Rille, in welche die Deckwand einragt. Die Rillenbreite der Rille entspricht im Wesentlichen der Dicke der Deckwand oder die Rillenbreite ist grösser oder kleiner als die Dicke der Deckwand. Über die Rille kann das Manschettenelement im Durchbruch des Schalungsgehäuses gelagert werden.According to the invention the sleeve element comprises on its outer side a circumferential groove, in which the top wall protrudes. The groove width of the groove substantially corresponds to the thickness of the top wall or the groove width is greater or smaller than the thickness of the top wall. About the groove, the sleeve member can be stored in the opening of the formwork housing.
Erfindungsgemäß weist das Manschettenelement auf seiner Innenseite mindestens eine umlaufende Dichtlippe auf, welche an eine Aussenfläche des Rohrs anlegbar ist. Über die Dichtlippe wird ein allfälliger Spalt zwischen der Aussenfläche des Rohr und dem Manschettenelement überbrückt und es kann eine, insbesondere bezüglich Fluiden und Feststoffen dichte, Dichtstelle zwischen Rohr und Manschettenelement bereitgestellt werden.According to the invention, the sleeve element has on its inside at least one circumferential sealing lip which can be applied to an outer surface of the tube. About the sealing lip a possible gap between the outer surface of the tube and the sleeve member is bridged and it may, in particular with respect to fluids and Solid density, sealing point between the tube and sleeve element can be provided.
Vorzugsweise erstreckt sich die Dichtlippe von der Innenseite in die zentrale Öffnung hinein und verkleinert den Durchmesser der zentralen Öffnung. Die lichte Weite im Bereich der Dichtlippe ist dann vorzugsweise kleiner als der Aussendurchmesser des Rohrs. Die Dichtlippe steht vorzugsweise winklig zur Mittelachse orientiert. Besonders bevorzugt ist die Dichtlippe derart orientiert, dass diese eine Art Einlaufabschnitt für das Rohr aufweist und beim Einschieben des Rohrs gegen die Innenseite des Manschettenelementes bewegt werden kann.Preferably, the sealing lip extends from the inside into the central opening and reduces the diameter of the central opening. The clear width in the region of the sealing lip is then preferably smaller than the outer diameter of the tube. The sealing lip is preferably oriented at an angle to the central axis. Particularly preferably, the sealing lip is oriented such that it has a kind of inlet section for the tube and can be moved during insertion of the tube against the inside of the sleeve element.
Besonders bevorzugt weist das Manschettenelement einen konisch ausgebildeten Einlaufbereich auf, dessen Durchmesser sich von der Stirnseite des Manschettenelementes her gesehen entlang der Mittelachse mit zunehmendem Abstand von der Stirnseite verkleinert. Vorzugsweise erstreckt sich dieser konische Einlaufbereich von der Oberseite der Deckwand von der Deckwand weg. Das heisst, dass die Strinseite beabstandet zur Oberseite liegt.Particularly preferably, the sleeve element has a conically formed inlet region, the diameter of which decreases from the end face of the sleeve element as seen along the central axis with increasing distance from the end face. Preferably, this conical inlet region extends from the top of the top wall away from the top wall. This means that the Strinseite spaced from the top.
Besonders bevorzugt ist das Manschettenelement bezüglich seiner Aussenform über der Oberseite der Deckwand auskragend ausgebildet ist. Die Auskragung weist im Querschnitt gesehen vorzugsweise die Form einer um die Mittelachse umlaufenden konkaven Ausnehmung auf.With particular preference, the sleeve element is configured cantilevered with respect to its outer shape over the upper side of the cover wall. The projection has seen in cross-section preferably in the form of a circumferential around the central axis concave recess.
Vorzugsweise ist das Manschettenelement am Schalungsgehäuse angeformt. Es kann auch von einer stoffschlüssigen Verbindung gesprochen werden, welche beispielsweise über ein Zwei-Komponenten-Spritzgussverfahren hergestellt werden kann. Es handelt sich um eine nicht-lösbare Verbindung zwischen dem Schalungsgehäuse und dem Manschettenelement.Preferably, the sleeve member is integrally formed on the formwork housing. It can also be spoken of a cohesive connection, which for example via a Two-component injection molding process can be produced. It is a non-detachable connection between the formwork housing and the sleeve member.
Alternativ ist das Manschettenelement mechanisch mit dem Schalungselement verbindbar. Vorzugsweise über einen Formschluss oder einen Kraftschluss. Hierbei ist das Manschettenelement lösbar mit dem Schalungsgehäuse in Verbindung.Alternatively, the sleeve element can be mechanically connected to the formwork element. Preferably via a positive connection or a frictional connection. Here, the sleeve member is releasably connected to the formwork housing in connection.
Vorzugsweise ist das Manschettenelement ein Elastomerkörper. Besonders bevorzugt ist das Manschettenelement aus Ethylen-Propylen-Dien-Kautschuk (EPDM). Insbesondere weist das Manschettenelement eine Härte im Bereich von 50 bis 70 IRHD, insbesondere 60 IRHD. IRHD (internationale Gummi-Härtegrade) wird gemessen nach der Norm ISO 48.Preferably, the sleeve member is an elastomeric body. Particularly preferred is the sleeve member of ethylene-propylene-diene rubber (EPDM). In particular, the sleeve element has a hardness in the range of 50 to 70 IRHD, in particular 60 IRHD. IRHD (international rubber grades) is measured according to the ISO 48 standard.
Das Manschettenelement ist vorzugsweise einstückig ausgebildet. Gleiches kann für das Schalungsgehäuse gesagt werden.The sleeve element is preferably formed in one piece. The same can be said for the shuttering housing.
Im Querschnitt gesehen weist das Manschettenelement die Gestalt eines Profils auf, welches sich um den Durchbruch herum erstreckt.Viewed in cross-section, the sleeve member has the shape of a profile which extends around the aperture.
Vorzugsweise weist der Durchbruch einen kreisrunden Querschnitt auf. Für den Einsatz in einem kreisrunden Durchbruch ist das Manschettenelement rotationssymmetrisch bezüglich einer Mittelachse ausgebildet.Preferably, the aperture has a circular cross-section. For use in a circular opening, the sleeve element is rotationally symmetrical with respect to a central axis.
Eine Anordnung umfasst eine Schalungseinlage nach obiger Beschreibung und ein durch den Durchbruch hindurchgeführes Rohr mit einer Aussenfläche, wobei zwischen der Aussenfläche des Rohrs und dem Durchbruch das Manschettenelement liegt, welches mindestens bereichsweise durch das Rohr elastisch komprimiert wird.An arrangement comprises a formwork insert according to the above description and a pipe guided through the opening with an outer surface, wherein between the outer surface of the pipe and the breakthrough is the sleeve element which is elastically compressed at least in regions by the pipe.
In einer Ausführungsform der Anordnung ist das Rohr mit einer auf der Aussenfläche liegenden Hülle umgeben, welche Hülle sich abschnittsweise zwischen Rohr und Manschettenelement, insbesondere bis hin zur Dichtlippe, erstreckt.In one embodiment of the arrangement, the tube is surrounded by a shell lying on the outer surface, which shell extends in sections between the tube and sleeve element, in particular up to the sealing lip.
In einer alternativen Ausführungsform ist das Rohr mit einer auf der Aussenfläche liegenden Ummantelung aus einem Isolationsmaterial umgeben, wobei sich Teile des Manschettenelementes, insbesondere über der Oberseite der Deckwand liegende Teile, in die Ummantelung hineinerstrecken.In an alternative embodiment, the tube is surrounded by a jacket lying on the outer surface of an insulating material, wherein parts of the Cuff element, in particular over the top of the top wall lying parts, hineinerstrecken in the jacket.
Weitere Ausführungsformen sind in den abhängigen Ansprüchen angegeben.Further embodiments are given in the dependent claims.
Bevorzugte Ausführungsformen der Erfindung werden im Folgenden anhand der Zeichnungen beschrieben, die lediglich zur Erläuterung dienen und nicht einschränkend auszulegen sind. In den Zeichnungen zeigen:
- Fig. 1
- eine perspektivische Ansicht einer Schalungseinlage nach einer Ausführungsform von oben;
- Fig. 2
- die Schalungseinlage von unten;
- Fig. 3
- eine Schnittansicht der Schalungseinlage nach
den Figuren 1 und 2 im eingebauten Zustand; - Fig. 4
- eine Schnittdarstellung durch die Schalungseinlage
nach den Figuren 1 und 2 ; - Fig. 5
- eine Detailansicht der
Fig. 4 ; - Fig. 6
- eine Schnittdarstellung einer Schalungseinlage nach
den Figuren 1 mit einem Rohr;bis 4 - Fig. 7
- eine Schnittdarstellung einer Schalungseinlage nach
den Figuren 1 mit einem Rohr, welches mit einer Hülle umgeben ist; undbis 4 - Fig. 8
- eine Schnittdarstellung einer Schalungseinlage nach
den Figuren 1 mit einem Rohr, welches mit einer Ummantelung umgeben ist.bis 4
- Fig. 1
- a perspective view of a formwork insert according to one embodiment from above;
- Fig. 2
- the formwork insert from below;
- Fig. 3
- a sectional view of the formwork insert according to
Figures 1 and 2 in the installed state; - Fig. 4
- a sectional view through the formwork insert after the
Figures 1 and 2 ; - Fig. 5
- a detailed view of the
Fig. 4 ; - Fig. 6
- a sectional view of a formwork insert after the
FIGS. 1 to 4 with a pipe; - Fig. 7
- a sectional view of a formwork insert after the
FIGS. 1 to 4 with a tube which is surrounded by a shell; and - Fig. 8
- a sectional view of a formwork insert after the
FIGS. 1 to 4 with a tube, which is surrounded by a sheath.
In den
Die Schalungseinlage 1 umfasst ein Schalungsgehäuse 2 mit einer Deckwand 3 und einer sich der Deckwand 3 anschliessenden und um die Deckwand 3 umlaufenden Seitenwand 4. Die Deckwand 3 und die Seitenwand 4 begrenzen bzw. definieren einen Hohlraum 5. Dieser Hohlraum 5 entspricht dem Hohlraum, in welchem die Rohrmuffe 24 zu liegen kommt. Die Seitenwand 4 erstreckt sich dabei vollständig um die Deckwand 3 herum. Mit anderen Worten gesagt verläuft die Seitenwand 4 entlang der Begrenzungskante der Deckwand 3. Die Seitenwand 4 verläuft winklig zur Deckwand 3. Der Winkel trägt das Bezugszeichen α in der
In der Deckwand 3 ist ein Durchbruch 6 angeordnet. Der Durchbruch 6, welcher auch als Öffnung bezeichnet werden kann, weist hier einen kreisrunden Querschnitt auf. Der Querschnitt kann aber auch eine andere Form aufweisen. Die Form des Durchbruches entspricht vorzugweise der Querschnittsform des Rohrs. Der Durchbruch 6 erstreckt sich entlang einer Mittelachse M vollständig durch die Deckwand 3 von ihrer Oberseite 10 bis zur Unterseite 11 hindurch. Der Durchbruch 6 wird durch eine durch die Deckwand 3 bereitgestellte Mantelfläche 27 begrenzt. Über diesen Durchbruch 6 wird das Rohr 9 durch die Deckwand 3 in den Hohlraum 5 geführt.In the
Weiter umfasst die Schalungseinlage 1 ein Manschettenelement 7, welches im Bereich des Durchbruchs 6 angeordnet ist. Das Manschettenelement 7 weist eine zentrale Öffnung 8 auf, welche der Aufnahme des durch den Durchbruch 6 hindurchzuführenden Rohrs 9 dient. Das Manschettenelement 7 erstreckt sich umlaufend um den Durchbruch 6 herum. Unter umlaufend wird ein vollständiges Umlaufen verstanden. Das Manschettenelement 7 weist also keinen Unterbruch auf. Entlang der Mittelachse M gesehen erstreckt sich das Manschettenelement 7 mindestens teilweise in den Durchbruch 6 hinein. In der gezeigten Ausführungsform erstreckt sich das Manschettenelement 7 vollständig durch den Durchbruch 6 hindurch und auch darüber, nämlich über die Oberseite 10 und die Unterseite 11 der Deckwand 3, hinaus.Furthermore, the
Das Manschettenelement 7 weist schalldämmende und bezüglich Flüssigkeiten und Feststoffen dichtende Eigenschaften auf. Das Manschettenelement 7 hat also einerseits die Funktion, eine Schalleinkoppelung vom Rohr 9 auf das Schalungsgehäuse 2 zu unterbinden. Dies insbesondere im späteren Gebrauch wichtig. Andererseits dient das Manschettenelement 7 als Dichtungselement zwischen dem Durchbruch 6 und dem Rohr 9. Das Manschettenelement 7 verhindert ein Eintreten von flüssigem Beton oder Betonmilch durch den Bereich zwischen Durchbruch 6 und der Aussenfläche 20des Rohrs 9. Folglich wird der Hohlraum 5 bei der Herstellung der Gebäudestruktur G nicht durch Beton bzw. Betonmilch gefüllt.The
Das Manschettenelement 7 ist besonders bevorzugt weicher und elastischer als das Schalungsgehäuse 2. Folglich lässt sich das Manschettenelement 7 leicht bezüglich des Schalungsgehäuses 2 verformen.The
In den
Andere Ausführungen sind ebenfalls denkbar. Beispielsweise ist es möglich, dass sich das Manschettenelement 7 von dem Durchbruch 6 her gesehen ausschliesslich durch den Durchbruch 6 und über die Oberseite 10 erstreckt oder dass sich das Manschettenelement 7 vom Durchbruch 6 her gesehen ausschliesslich aus dem Durchbruch 6 über die Unterseite 11 der Deckwand 3 hinauserstreckt.Other versions are also conceivable. For example, it is possible that the
Wie in der
Der Rille 13 schliesst sich, hier im Bereich der Unterseite 11, eine konische verlaufende Fläche 26 an. Diese konische Fläche 26 dient im Wesentlichen als Montagehilfe bei der Montage des Manschettenelementes 7 im Durchbruch 6. Das Manschettenelement 7 kann über die konische Fläche 26 am Durchbruch 6 positioniert werden und dann in den Durchbruch 6 geschoben werden, bis sich die Rille 13 auf der Höhe der Deckwand 3 zu liegen kommt und sich die Deckwand 3 in die Rille 13 hineinerstreckt.The
Auf seiner Innenseite 14 weist das Manschettenelement 7 mindestens eine umlaufende Dichtlippe 15 auf. Die Dichtlippe 15 ist dabei an einer Aussenfläche 20 des Rohrs 9 bei hindurchragendem Rohr 9 anlegbar und stellt eine entsprechende Dichtwirkung bereit. In der vorliegenden Ausführungsform ist genau eine einzige Dichtlippe 15 gezeigt, welche winklig zur Mittelachse M steht. Es können aber in alternativen Ausführungsformen auch mehrere Dichtlippen in Richtung der Mittelachse M beabstandet zueinander angeordnet sein. Die Dichtlippe 15 bzw. die Dichtlippen erstrecken sich dabei vollständig umlaufend um die Mittelachse M. Die Dichtlippe 15 bzw. die Dichtlippen weisen also keinen Unterbruch auf. Die Dichtlippe 15 ist dem Manschettenelement angeformt, wobei das Manschettenelement 7 einstückig ausgebildet ist.On its
Die Dichtlippe 15 bzw. die Dichtstelle ist erfindgunsgemäß derart angeordnet, dass diese, wenn das Manschettenelement 7 im Durchbruch 6 in der gebrauchsfertigen Position ist, im Bereich der Mantelfläche 27 des Durchbruches 6 ist. Die Mantelfläche stellt dabei einen Anschlag für das Manschettenelement 7 bereit, so dass sich dieses bei hindurchragendem Rohr 9 nicht radial zur Mittelachse M ausdehnen kann.The sealing
Oberhalb der Oberseite 10 weist das Manschettenelement 7 auf dessen Innenseite 14 einen konisch ausgebildeten Einlaufbereich 16 auf. Der Durchmesser des Einlaufbereichs 16 verkleinert sich mit zunehmendem Abstand von der Stirnseite 17 des Manschettenelementes 7 entlang der Mittelachse M. Der konische Einlaufbereich 16 dient im Wesentlichen der Positionierung des Rohrs 9 zu der Öffnung 8 des Manschettenelementes 7, sodass das Rohr zentral durch die Öffnung 8 geführt wird. Hierdurch kann eine möglichst genaue Positionierung des Rohrs 9 in der zentralen Öffnung 8 erreicht werden. Dadurch wird die Wirkung der Dichtlippe 15 beziehungsweise des Manschettenelementes 7 auf das Rohr verbessert.Above the
Bezüglich seiner Aussenform ist das Manschettenelement 7 über der Oberseite 10 der Deckwand 3 auskragend ausgebildet. Der Durchmesser der Aussenseite 12 des Manschettenelementes 7 wird also mit zunehmendem Abstand von der Oberseite 10 vergrössert. Diese Auskragung hat den Vorteil, dass das Manschettenelement 7 optimal mit dem Rohr 9 zusammenarbeiten kann, so wie dies anhand der
Das Manschettenelement 7 kann am Schalungsgehäuse 2 angeformt sein. Es handelt sich dabei vorzugsweise um eine stoffschlüssige Verbindung zwischen dem Manschettenelement 7 und dem Schalungsgehäuse 2. Besonders bevorzugt werden das Manschettenelement 7 und das Schalungsgehäuse 2 mit einem zwei Komponenten-Spritzguss Verfahren hergestellt. Alternativ kann das Manschettenelement 7 auch am Schalungsgehäuse 2 angeklebt sein. Diese Ausführungsform stellt eine einstückige Schalungseinlage 1 bereit, welche sich aus dem Schalungsgehäuse 2 und dem Manschettenelement 7 zusammensetzt. Das Manschettenelement 7 ist dabei nicht-lösbar mit dem Schalungsgehäuse 2 verbunden.The
In einer alternativen Ausführungsform kann das Manschettenelement 7 auch mechanisch insbesondere formschlüssig oder kraftschlüssig, mit dem Schalungsgehäuse 2 verbunden sein. Bezüglich der mechanischen Verbindung ist vorteilhafterweise die Rille 13 angeordnet. Das Manschettenelement 7 ist dabei lösbar mit dem Schalungsgehäuse 2 verbunden.In an alternative embodiment, the
Das Manschettenelement 7 ist vorzugsweise ein elastischer Körper. Insbesondere ein Elastomerkörper. In der besonders bevorzugten Ausführungsform ist Manschettenelement aus Ethylen-Propylen-Dien-Kautschuk hergestellt und weist vorzugsweise eine Härte im Bereich von 50 bis 70 IRHD, insbesondere 60 IRHD, auf.The
Der Querschnitt des Rohrs 9 ist vorzugsweise gleich dem Querschnitt des Durchbruches 6 und der zentralen Öffnung 7. Besonders bevorzugt sind kreisrunde Querschnitte.The cross section of the
Das Schalungsgehäuse 2 weist weitere Öffnungen 18 für die Lagerung von Befestigungselementen 19, wie Befestigungsnägel 19, auf. Über diese Befestigungsnägel kann das Schalungsgehäuse 2 auf einer Schaltafel befestigt werden. Das Schalungsgehäuse 2 liegt dabei mit seiner Stirnseite 25 auf der Schaltafel auf und die Befestigungselemente 19 werden mit der Schaltafel verbunden. Die Befestigungselemente 19 werden nach Entfernung der Schaltafel aus dem Schalungsgehäuse hinausgerissen.The
In der
Das Rohr 9 ragt in der gezeigten Ausführungsform von der Oberseite 10 her durch den Durchbruch 6 und in den Hohlraum 5 des Schalungsgehäuses 2 ein.The
In der
In der
Bezüglich der Form des Schalungsgehäuses 2 kann mit Blick auf die
- 11
- Schalungseinlageform liner
- 22
- Schalungsgehäuseformwork housing
- 33
- Deckwandtop wall
- 44
- SeitenwandSide wall
- 55
- Hohlraumcavity
- 66
- Durchbruchbreakthrough
- 77
- Manschettenelementcollar member
- 88th
- zentrale Öffnungcentral opening
- 99
- Rohrpipe
- 1010
- Oberseitetop
- 1111
- Unterseitebottom
- 1212
- Aussenseiteoutside
- 1313
- Rillegroove
- 1414
- Innenseiteinside
- 1515
- Dichtlippesealing lip
- 1616
- Einlaufbereichintake area
- 1717
- Stirnseitefront
- 1818
- Öffnungenopenings
- 1919
- Befestigungselementefasteners
- 2020
- Aussenflächeouter surface
- 2121
- Hülleshell
- 2222
- Ummantelungjacket
- 2323
- weiteres Rohranother tube
- 2424
- Rohrmuffepipe socket
- 2525
- Stirnseitefront
- 2626
- Flächearea
- 2727
- Mantelflächelateral surface
- DD
- Dickethickness
- RR
- Rillenbreitegroove width
- GG
- Gebäudestrukturbuilding structure
Claims (13)
- A formwork insert (1) for a building structure, wherein the formwork insert (1) comprises a formwork housing (2) with a top wall (3) and a side wall (4) adjoining and encircling said top wall (3),
wherein the top wall (3) and the side wall (4) define a hollow space (5), said top wall being a plane wall and said side wall being arranged at an angle with respect to said plane wall,
wherein at least one breakthrough (6) with a lateral surface (27) extending through the top wall (3) along a center axis (M) is arranged in the top wall (3),
characterized in that
the formwork insert (1) further comprises a collar element (7) with a central opening (8) for receiving a tube (9) to be passed through the breakthrough (6), wherein the collar element (7) extends circumferentially around the breakthrough (6) and extends at least partially into the breakthrough (6) along the center axis (M) of the breakthrough (6),
that the collar element (7) comprises sound-absorbing and sealing properties,
that the collar element (7) comprises on its outer side (12) a circumferential groove (13), into which the top wall (3) protrudes, its groove width (R) corresponding to the thickness (D) of the top wall (3) or its groove width (R) being larger or smaller than the thickness (D) of the top wall (3), and
that the collar element (7) on its inner side (14) comprises at least one circumferential sealing lip (15), which can bear against an outer surface (20) of the tube (9), wherein the sealing lip (15) is positioned in the area of the lateral surface (27) of the breakthrough (6). - The formwork insert according to claim 1, characterized in that the collar element (7) is softer and/or more elastic than the formwork housing (2).
- The formwork insert (1) according to claim 1 or 2, characterized in that the collar element (7), when viewed along the center axis (M), extends completely through the breakthrough (6) and/or that the collar element (7) extends from the top side (10) of the top wall (3) over the top side (10) of the top wall (3) and/or that the collar element (7) extends from the lower side (11) of the top wall (3) over the lower side (11) of the top wall (3).
- The formwork insert (1) according to any one of the preceding claims, characterized in that the opening (8) of the collar element (7) comprises a conically shaped inlet area (16) whose diameter, when viewed from the front side (17) of the collar element (7), reduces along the center axis (M) with increasing distance from the front side (17).
- The formwork insert (1) according to any one of the preceding claims, characterized in that the collar element (7) with respect to its external shape is designed so as to project over the top side (10) of the top wall (3) and/or that the collar element (7) comprises on its outer side (12) a conically shaped surface (26), which surface (26) preferably adjoins the groove (13).
- The formwork insert (1) according to any one of the preceding claims, characterized in that the collar element (7) is, in particular integrally, formed on the formwork housing (2), or that the collar element (7) is mechanically, in particular positively and/or in a force-fitting manner, connectable to the formwork housing (2).
- The formwork insert (1) according to any one of the preceding claims, characterized in that the collar element (7) is an elastomer body.
- The formwork insert (1) according to any one of the preceding claims, characterized in that the collar element (7) is made of ethylene-propylene-diene rubber and/or that the collar element (7) has a hardness in the region between 50 to 70 IRHD, in particular 60 IRHD.
- The formwork insert (1) according to any one of the preceding claims, characterized in that the cross-sectional shape of the breakthrough (6) and the central opening (7), respectively, essentially corresponds to the cross-sectional shape of the tube (9) to be passed through, wherein said cross-section is preferably circular, and/or that the formwork housing (2) comprises further openings (18) for the bearing of fastening elements (19) such as fastening nails.
- An arrangement comprising a formwork insert (1) according to any one of the preceding claims and a tube (9) being passed through the breakthrough (6) with an outer surface (20), wherein the collar element (7) is arranged between the outer surface (20) of the tube (9) and the breakthrough (6), which is at least in a section elastically compressed by the tube (9).
- The arrangement according to claim 10, characterized in that the tube (9) is surrounded by a sheath (21) lying on the outer surface (20), which sheath (20) extends sectionwise between the tube (9) and the collar element (7), in particular to the sealing lip (15).
- The arrangement according to claim 10, characterized in that the tube (9) is surrounded by a wrapping (22) lying on the outer surface (20) and being made from an insulating material, wherein parts of the collar element (7), in particular parts lying over the top side (10) of the top wall (3), extend into the wrapping (22).
- The arrangement according to any one of claims 10-12, characterized in that the formwork insert (1) is located in the building structure (G) and with its outer side (12) is essentially completely in contact with the building structure (G).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13197712.6A EP2886744B1 (en) | 2013-12-17 | 2013-12-17 | Formwork insert |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13197712.6A EP2886744B1 (en) | 2013-12-17 | 2013-12-17 | Formwork insert |
Publications (2)
Publication Number | Publication Date |
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EP2886744A1 EP2886744A1 (en) | 2015-06-24 |
EP2886744B1 true EP2886744B1 (en) | 2017-02-01 |
Family
ID=49816854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP13197712.6A Active EP2886744B1 (en) | 2013-12-17 | 2013-12-17 | Formwork insert |
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EP (1) | EP2886744B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107477078A (en) * | 2017-08-27 | 2017-12-15 | 长沙明道信息科技有限公司 | A kind of hinge positioning sleeve for filling drawing pen |
US10975567B2 (en) | 2017-12-21 | 2021-04-13 | Reliance Worldwide Corporation | Extendable sleeve for poured concrete deck |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2130492A1 (en) * | 1970-06-22 | 1972-02-10 | Augl Joseph Adolf | Formwork Fassonstuecke for cable passages in walls or floors |
AU605100B3 (en) * | 1986-05-06 | 1990-10-24 | Paul Robertson | A slab and slab penetration apparatus |
DE4006760C1 (en) * | 1990-03-03 | 1991-06-13 | Hydac Technology Gmbh, 6603 Sulzbach, De | Elastic pipe at right angle across a wall - to provide better vibration barrier between pipe and wall |
CH687101A5 (en) | 1993-11-04 | 1996-09-13 | Schenk & Sohn O | Device for holding end of pipe, with casing concreted into wall or floor |
DE19857784A1 (en) * | 1998-12-15 | 2000-06-29 | Daimler Chrysler Ag | Cable entry through a wall |
KR100377275B1 (en) * | 1999-06-25 | 2003-03-28 | 이향재 | Connecter to joint cable protect pipe in manhole wall |
US8122680B2 (en) * | 2006-07-05 | 2012-02-28 | High Concrete Group Llc | Concrete conduit members |
EP2363552B1 (en) * | 2010-03-03 | 2012-07-04 | Hauff-Technik GmbH & Co. KG | Use of an attachment piece for attachment to a seal |
-
2013
- 2013-12-17 EP EP13197712.6A patent/EP2886744B1/en active Active
Non-Patent Citations (1)
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