EP0103774A1 - Dispositif de formation d'un espace dans des planchers en béton - Google Patents

Dispositif de formation d'un espace dans des planchers en béton Download PDF

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Publication number
EP0103774A1
EP0103774A1 EP83108348A EP83108348A EP0103774A1 EP 0103774 A1 EP0103774 A1 EP 0103774A1 EP 83108348 A EP83108348 A EP 83108348A EP 83108348 A EP83108348 A EP 83108348A EP 0103774 A1 EP0103774 A1 EP 0103774A1
Authority
EP
European Patent Office
Prior art keywords
box
recess body
body according
side walls
recess
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.)
Withdrawn
Application number
EP83108348A
Other languages
German (de)
English (en)
Inventor
Allo Assmann
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE19828223838U external-priority patent/DE8223838U1/de
Priority claimed from DE19838303314U external-priority patent/DE8303314U1/de
Application filed by Individual filed Critical Individual
Publication of EP0103774A1 publication Critical patent/EP0103774A1/fr
Withdrawn legal-status Critical Current

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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
    • 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
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E04G9/021—Forming boards or similar elements the form surface being of cardboard
    • 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
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/08—Forming boards or similar elements, which are collapsible, foldable, or able to be rolled up
    • E04G9/083—Forming boards or similar elements, which are collapsible, foldable, or able to be rolled up which are foldable

Definitions

  • the invention relates to a recess body for the production of openings in concrete ceilings.
  • openings in the ceiling must often be left open, through which later pipes, pipes or the like are laid.
  • a suitably shaped recess body is attached to the formwork for the ceiling before concreting.
  • a box folded from a stamped part which is formed from the same stamped part or from separate stamped parts Stiffening element takes.
  • the stamped parts for the boxes and stiffening elements can be manufactured at low cost from waterproof corrugated cardboard, plastic or other suitable materials and can be stored in a space-saving manner when unfolded. Attachment to the formwork and subsequent removal from the concrete ceiling are possible in a simple manner.
  • the box and / or the stiffening elements can be provided at the lower end with fastening tabs which can be nailed directly onto the formwork.
  • the stiffening element is a stabilizing cross formed from two punched parts which are put together crosswise, which is attached to the formwork and onto which the box is pushed in such a way that the stabilizing cross forms the diagonals of the box.
  • the stiffening element is a lid, which is inserted at a distance below the upper edge of the box in its upper opening and is integrally connected to the walls of the box via a connecting part.
  • the recess body is made from a single stamped part.
  • FIG. 1 shows a recess body 10 according to the invention, which is fastened on a formwork panel 12 of a formwork for a concrete ceiling.
  • the recess body 10 comprises a box 14 shown in Figure 2, which receives a stabilizing cross 16 shown in Figure 5, as indicated in Figure 1 by dashed lines.
  • the box 14 is made from a stamped part, for example from corrugated cardboard, and comprises four side walls 18, 20, 22, 24 which are connected to one another at three vertical edges 26, 28, 30 of the box by folding lines and at the fourth vertical edge 32 by gluing or are connected to one another by suitable means such as clips, adhesive strips or the like.
  • a lid 36 with a tab 38 is hinged to the upper edge of the side wall 24 via a fold line 34.
  • the lid 36 shown in FIG. 2 in the open position normally closes the upper opening of the box 14. At the lower end, the box 14 is open.
  • the stabilizing cross 16 comprises two punched parts 40 and 42 shown in FIGS. 3 and 4, each of which has a vertical slot 44 and 46 in the lower and upper half, respectively.
  • the slots 44, 46 allow the punched parts to be joined crosswise in the manner shown in FIG.
  • two fastening corners 50 and 52 are articulated in each case via fold lines 48.
  • a fastening corner 50 and a fastening corner 52 are each folded over one another in such a way that they can be nailed together onto the formwork panel 12 with the aid of a nail 54.
  • the box 14 After attaching the stabilizing cross 16 on the formwork, the box 14 is from above on the Sta billing cross turned.
  • the stamped parts 40, 42 are provided on their outer edges lying against the vertical edges of the box 14 with teeth 56 for securely holding the box 14 in place.
  • FIG. 6 shows another embodiment of the recess body 10 according to the invention, which is produced from a single stamped part 58, which is shown in FIG. 8 together with a slightly modified stamped part 58 'for a further recess body.
  • a cover 60 is provided for reinforcement, which is fitted into the upper opening of the box at a distance from the upper end of the box 14, as can be seen more clearly in FIG.
  • a connecting element 64 is articulated to the side wall 24 via a fold line 62, which is provided with a U-shaped angled slot 66.
  • a connecting element 70 is articulated to the side wall 18 via a folding line 68, the ends 72, 74 of which can be folded along pre-folded folding lines 76 in accordance with the shape of the slot 66, so that the connecting element 70 can be inserted through the slot 66 from the outside. By bending back the ends 72, 74, the connecting elements 64, 70 are firmly hooked together.
  • the cover 60 is articulated via a fold line 78 to the upper edge of the connecting element 64, the height of which is less than that of the side walls 18 to 24.
  • the cover 60 is connected to a support flap 82 via a fold line 80.
  • two stiffening tabs 86 are provided on the two remaining sides of the cover 60.
  • fastening tabs 88 are provided, which can optionally be angled inward or outward along parallel fold lines 90, 92 and fastened on the formwork panel 12.
  • the parallel fold lines 90, 92 allow a gradual adjustment of the height of the recess body 10 to the thickness of the concrete wall.
  • the fold lines 26, 28, 30 and 62 are preferably perforated so that they can easily be torn open if necessary.
  • perforated tear lines can also be provided on the upper edges of the side walls 18 to 24 in order to adjust the height of the recess body.
  • the stamped part 58 ' differs from the stamped part 58 in that only two side walls 20', 24 'are provided with fastening tabs 88' and in that instead of the support tab 82 an extension 94 'is provided on one of the stiffening tabs 86'. Stamped parts with the shape of the stamped part 58 'can be stamped out with little waste if the individual stamped parts are arranged in the manner shown in FIG.
  • the recess body 10 is surrounded in the lower area by a collar 96, which is glued to the side walls of the box 14, for example.
  • the collar 96 creates a step 100 on the inner wall of the opening 102 formed by the recess body 10 in the concrete ceiling. If after laying the pipes and lines running through the opening 102, the opening is filled with concrete should, formwork elements made of corrugated cardboard, plastic, expanded metal or the like can be placed on the gradation 100. This has the advantage that the formwork elements do not need to be supported from below.
  • a sleeve 104 that can be pushed over the box 14 from above is provided instead of the collar 96.
  • FIG. 11 shows a further modification of the stamped part 58.
  • the cover 60 is connected to the upper edge of one of the side walls 18 to 24 via fold lines 106, 108 and a connecting part 110.
  • the width of the connecting part 110 defines the distance that the cover 60 has from the upper edge of the box 14.
  • the cover 60 is advantageously attached to the side wall 22, which lies opposite the connecting part 64 provided with the slot 66.
  • connecting means such as adhesive strips, clips and the like can be used instead of the connecting elements 64, 70 to connect the side walls 18 and 24 of the box 14.

Landscapes

  • 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)
EP83108348A 1982-08-24 1983-08-24 Dispositif de formation d'un espace dans des planchers en béton Withdrawn EP0103774A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19828223838U DE8223838U1 (de) 1982-08-24 1982-08-24 Aussparungskoerper fuer betondecken
DE8223838U 1982-08-24
DE19838303314U DE8303314U1 (de) 1983-02-08 1983-02-08 Aussparungskoerper fuer betondecken
DE8303314U 1983-02-08

Publications (1)

Publication Number Publication Date
EP0103774A1 true EP0103774A1 (fr) 1984-03-28

Family

ID=25949294

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83108348A Withdrawn EP0103774A1 (fr) 1982-08-24 1983-08-24 Dispositif de formation d'un espace dans des planchers en béton

Country Status (1)

Country Link
EP (1) EP0103774A1 (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2248468A (en) * 1990-09-20 1992-04-08 Kheok Soon Chin Device for embedding in concrete for sanitary plumbing and drainage system
EP0542116A1 (fr) * 1991-11-15 1993-05-19 SCHÖCK BAUTEILE GmbH Elément de coffrage perdu
FR2732709A1 (fr) * 1995-04-04 1996-10-11 Meunier Jean Francis Boites de reservation
AU675945B2 (en) * 1992-06-30 1997-02-27 Frederick Joseph Mancer Sacrificial collapsible isolation void forming formwork systems
WO2000011281A1 (fr) * 1998-08-20 2000-03-02 Harm Benjamin Steyn Elements de formation de vides et enveloppe desdits elements
FR2788541A1 (fr) * 1999-01-15 2000-07-21 Francois Schohn Ebauche plane de boites pour les coffrages perdus de reservation
GB2356888A (en) * 1999-11-24 2001-06-06 Anthire Ltd Former element
GB2405651A (en) * 2003-09-04 2005-03-09 Hilti Ag Extension for creating lead - through in cast material
EP1662071A3 (fr) * 2004-11-26 2008-05-21 Alfredo Montinaro Procédé et boîte de réservation pour poser des tubes et des conduits dans une dalle de bâtiment
FR2933116A1 (fr) * 2008-06-25 2010-01-01 Ds Smith Kaysersberg Boites de reservation pour constructions en beton
FR2955343A1 (fr) * 2010-01-15 2011-07-22 Mabamure Soc D Expl Structure de boite de reservation pour une dalle de beton
GB2567892A (en) * 2017-10-31 2019-05-01 Abbey Pynford Holdings Ltd A retaining barrier
DE102020000645A1 (de) 2020-01-31 2021-08-05 Tehalit Gmbh Schalungsvorrichtung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB829308A (en) * 1956-08-14 1960-03-02 Udalls Prestressed Concrete Lt Improvements in or relating to casting concrete structures in situ
FR1235540A (fr) * 1959-05-29 1960-07-08 Dropsy S A Coffrages en carton pour former les cavités des dalles et panneaux évidés en béton armé
US3109217A (en) * 1961-02-27 1963-11-05 Lawrence Paper Co Apparatus for use in forming concrete slabs
DE1986772U (de) * 1968-06-06 Reiner Huxohl, 4800 Bielefeld Schalkorper fur Dekkenaussparungen
DE7244959U (de) * 1973-03-15 Huxohl R Schalkörper für Deckenaussparungen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1986772U (de) * 1968-06-06 Reiner Huxohl, 4800 Bielefeld Schalkorper fur Dekkenaussparungen
DE7244959U (de) * 1973-03-15 Huxohl R Schalkörper für Deckenaussparungen
GB829308A (en) * 1956-08-14 1960-03-02 Udalls Prestressed Concrete Lt Improvements in or relating to casting concrete structures in situ
FR1235540A (fr) * 1959-05-29 1960-07-08 Dropsy S A Coffrages en carton pour former les cavités des dalles et panneaux évidés en béton armé
US3109217A (en) * 1961-02-27 1963-11-05 Lawrence Paper Co Apparatus for use in forming concrete slabs

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2248468A (en) * 1990-09-20 1992-04-08 Kheok Soon Chin Device for embedding in concrete for sanitary plumbing and drainage system
GB2248468B (en) * 1990-09-20 1994-11-23 Kheok Soon Chin Plastic coupling for sanitary plumbing and drainage system
EP0542116A1 (fr) * 1991-11-15 1993-05-19 SCHÖCK BAUTEILE GmbH Elément de coffrage perdu
AU675945B2 (en) * 1992-06-30 1997-02-27 Frederick Joseph Mancer Sacrificial collapsible isolation void forming formwork systems
FR2732709A1 (fr) * 1995-04-04 1996-10-11 Meunier Jean Francis Boites de reservation
WO2000011281A1 (fr) * 1998-08-20 2000-03-02 Harm Benjamin Steyn Elements de formation de vides et enveloppe desdits elements
FR2788541A1 (fr) * 1999-01-15 2000-07-21 Francois Schohn Ebauche plane de boites pour les coffrages perdus de reservation
GB2356888A (en) * 1999-11-24 2001-06-06 Anthire Ltd Former element
GB2356888B (en) * 1999-11-24 2003-10-29 Anthire Ltd Former element
GB2405651A (en) * 2003-09-04 2005-03-09 Hilti Ag Extension for creating lead - through in cast material
EP1662071A3 (fr) * 2004-11-26 2008-05-21 Alfredo Montinaro Procédé et boîte de réservation pour poser des tubes et des conduits dans une dalle de bâtiment
FR2933116A1 (fr) * 2008-06-25 2010-01-01 Ds Smith Kaysersberg Boites de reservation pour constructions en beton
FR2955343A1 (fr) * 2010-01-15 2011-07-22 Mabamure Soc D Expl Structure de boite de reservation pour une dalle de beton
GB2567892A (en) * 2017-10-31 2019-05-01 Abbey Pynford Holdings Ltd A retaining barrier
DE102020000645A1 (de) 2020-01-31 2021-08-05 Tehalit Gmbh Schalungsvorrichtung

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19841129