EP2886744A1 - Semelle de coffrage - Google Patents

Semelle de coffrage Download PDF

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Publication number
EP2886744A1
EP2886744A1 EP13197712.6A EP13197712A EP2886744A1 EP 2886744 A1 EP2886744 A1 EP 2886744A1 EP 13197712 A EP13197712 A EP 13197712A EP 2886744 A1 EP2886744 A1 EP 2886744A1
Authority
EP
European Patent Office
Prior art keywords
formwork
top wall
sleeve element
insert
tube
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.)
Granted
Application number
EP13197712.6A
Other languages
German (de)
English (en)
Other versions
EP2886744B1 (fr
Inventor
Yves Cortellini
Pascal Graf
Peter Höfliger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Geberit International AG
Original Assignee
Geberit International AG
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 Geberit International AG filed Critical Geberit International AG
Priority to EP13197712.6A priority Critical patent/EP2886744B1/fr
Publication of EP2886744A1 publication Critical patent/EP2886744A1/fr
Application granted granted Critical
Publication of EP2886744B1 publication Critical patent/EP2886744B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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.
  • 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 is preferably a flat wall and the side wall is angled to this flat wall.
  • the angle between the top wall and the side wall is 90 ° or larger.
  • 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 sealing lip can also be dispensed with, in which case provision must be made for circumferential contact between the outer surface of the tube and the opening in the sleeve element, so that a seal is ensured between the tube and the sleeve.
  • a planar contact between the inside of the sleeve member and the tube may be provided or it may be present on the inside of a circumferential bead, which is brought into contact with the tube.
  • 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 which adjoins the top wall 3 and revolves around 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.
  • 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 it would also be possible that is dispensed with the sealing lip and that the sleeve member 7 acts only with its inner side 14 on the outer surface 20 of the tube 9 and thus provides a sealing effect. Further, the sealing effect could also be provided by one or more sealing beads, which stand out from the inside 14 become.
  • the sealing lip 15 or the sealing point is preferably arranged such that, when the sleeve element 7 is in the opening 6 in the ready-to-use position, it is in the area of the lateral surface 27 of the aperture 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)
EP13197712.6A 2013-12-17 2013-12-17 Semelle de coffrage Active EP2886744B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13197712.6A EP2886744B1 (fr) 2013-12-17 2013-12-17 Semelle de coffrage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13197712.6A EP2886744B1 (fr) 2013-12-17 2013-12-17 Semelle de coffrage

Publications (2)

Publication Number Publication Date
EP2886744A1 true EP2886744A1 (fr) 2015-06-24
EP2886744B1 EP2886744B1 (fr) 2017-02-01

Family

ID=49816854

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13197712.6A Active EP2886744B1 (fr) 2013-12-17 2013-12-17 Semelle de coffrage

Country Status (1)

Country Link
EP (1) EP2886744B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107477078A (zh) * 2017-08-27 2017-12-15 长沙明道信息科技有限公司 一种可装绘图笔的铰链定位套
EP3728921A4 (fr) * 2017-12-21 2021-08-11 Reliance Worldwide Corporation Manchon extensible pour plateforme en béton coulé

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2130492A1 (de) * 1970-06-22 1972-02-10 Augl Joseph Adolf Schalungsfassonstuecke fuer Leitungsdurchlaesse in Waenden oder Boeden
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 (de) 1993-11-04 1996-09-13 Schenk & Sohn O Vorrichtung zum Freihalten des Endes eines Rohrleitungsstuecks.
EP1010584A2 (fr) * 1998-12-15 2000-06-21 DaimlerChrysler AG Traversée de conduite à travers une paroi
US6357188B1 (en) * 1999-06-25 2002-03-19 Hyang Jae Lee Connector for connecting cable-protecting pipe
US20080005996A1 (en) * 2006-07-05 2008-01-10 High Industries, Inc. Concrete conduit members
EP2363552A1 (fr) * 2010-03-03 2011-09-07 Hauff-Technik GmbH & Co. KG Utilisation d'une rehausse pour le rehaussement sur un bourrage d'étanchéité

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2130492A1 (de) * 1970-06-22 1972-02-10 Augl Joseph Adolf Schalungsfassonstuecke fuer Leitungsdurchlaesse in Waenden oder Boeden
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 (de) 1993-11-04 1996-09-13 Schenk & Sohn O Vorrichtung zum Freihalten des Endes eines Rohrleitungsstuecks.
EP1010584A2 (fr) * 1998-12-15 2000-06-21 DaimlerChrysler AG Traversée de conduite à travers une paroi
US6357188B1 (en) * 1999-06-25 2002-03-19 Hyang Jae Lee Connector for connecting cable-protecting pipe
US20080005996A1 (en) * 2006-07-05 2008-01-10 High Industries, Inc. Concrete conduit members
EP2363552A1 (fr) * 2010-03-03 2011-09-07 Hauff-Technik GmbH & Co. KG Utilisation d'une rehausse pour le rehaussement sur un bourrage d'étanchéité

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107477078A (zh) * 2017-08-27 2017-12-15 长沙明道信息科技有限公司 一种可装绘图笔的铰链定位套
EP3728921A4 (fr) * 2017-12-21 2021-08-11 Reliance Worldwide Corporation Manchon extensible pour plateforme en béton coulé
US11603659B2 (en) 2017-12-21 2023-03-14 Reliance Worldwide Corporation Cap for a tubular sleeve for a concrete structure

Also Published As

Publication number Publication date
EP2886744B1 (fr) 2017-02-01

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