EP0049455A2 - Corps de moulage pour le maintien d'ancre et pour la production d'une cavité dans une pièce fabriquée en béton - Google Patents

Corps de moulage pour le maintien d'ancre et pour la production d'une cavité dans une pièce fabriquée en béton Download PDF

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Publication number
EP0049455A2
EP0049455A2 EP81107706A EP81107706A EP0049455A2 EP 0049455 A2 EP0049455 A2 EP 0049455A2 EP 81107706 A EP81107706 A EP 81107706A EP 81107706 A EP81107706 A EP 81107706A EP 0049455 A2 EP0049455 A2 EP 0049455A2
Authority
EP
European Patent Office
Prior art keywords
shaped body
body according
core parts
jacket
anchor
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
EP81107706A
Other languages
German (de)
English (en)
Other versions
EP0049455B1 (fr
EP0049455A3 (en
Inventor
Siegfried Fricker
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.)
Leviat GmbH
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
Application filed by Individual filed Critical Individual
Priority to AT81107706T priority Critical patent/ATE6915T1/de
Publication of EP0049455A2 publication Critical patent/EP0049455A2/fr
Publication of EP0049455A3 publication Critical patent/EP0049455A3/de
Application granted granted Critical
Publication of EP0049455B1 publication Critical patent/EP0049455B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/28—Cores; Mandrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/005—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects with anchoring or fastening elements for the shaped articles
    • 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
    • E04G15/04—Cores for anchor holes or the like around anchors embedded in the concrete

Definitions

  • the invention relates to a shaped body for holding an anchor when concreting a precast concrete element and for producing a recess in the precast concrete element corresponding to its negative shape, into which the head of the anchor protrudes, fastening devices for connecting the shaped body to the anchor and to the formwork being provided in the shaped body.
  • the anchor head is inserted and held in this known shaped body and the shaped bodies are then firmly attached to the inside of the formwork for the later precast concrete part.
  • the formwork is loosened and the molded body is removed from the finished precast concrete element, so that a recess corresponding to the negative shape of the molded body is formed on the concrete surface into which the head of the anchor protrudes.
  • Suitable lifting tools for example a coupling head, can then engage the anchor head and lift or transport the precast concrete element.
  • the rubber body cannot be ruled out that it shows signs of aging when it is used several times over a longer period of time, that embrittlement phenomena occur in particular in those areas that are subjected to bending or compression during the various operations.
  • the shaped body consists of two rigid core parts which are connected by means of a jacket enveloping them, the jacket forming a flexible connecting bridge between the two core parts.
  • the basic idea of the invention is therefore to choose the structural design in such a way that the two components, core parts and jacket, each perform specific tasks for which they are particularly suitable: the core, for example formed from a polyamide, takes up the largest volume proportion of the total Molded body and ensures a high mechanical strength and dimensional stability of the molded body. Such a core is much cheaper to produce than a steel insert.
  • the second component, the jacket is made of a flexible plastic that is resistant to the chemicals used in concrete and formwork work is, for example polyurethane or soft PVC, embrittlement phenomena due to mechanical or chemical influences can no longer occur with such a jacket.
  • An embodiment of the invention provides that the material thickness of the jacket is the smallest over the end faces of the core parts.
  • This shoulder thus formed serves practically as a hinge point when fastening the molded body on the inside of the formwork: since the force is exerted between the two shoulders, the two core parts are pressed together, i.e. the more firmly the molded body clamps in the anchor between them is attached to the formwork. This ensures that the anchor is positioned securely during reinforcement installation and when pouring concrete.
  • each core part has at least one through hole which is at least partially filled by the material of the jacket.
  • At least one of the two core parts has a steel plate in a bore with an opening lying coaxially to the bore, which has a shape deviating from the circular shape for the bayonet connection of external fastening devices.
  • a suitable fastening device for example the threaded screw shown in FIG. 1 with a suitable end
  • the formwork board can be removed very easily after the concreting process has been carried out in that the bayonet catch by a A quarter turn of the mounting rod is released. This eliminates the time-consuming loosening of a threaded connection to remove the formwork. Since this steel plate is anchored in one of the two core parts, the stresses occurring in the case of a bayonet connection can easily be absorbed by the molded body.
  • Another embodiment of the molded body provides that the connecting bridge has a reinforced edge area.
  • This edge area can be designed such that it corresponds to the spatial configuration of the front end of the anchor body, so that here a certain centering of the anchor occurs in the sense that a vertical positioning of the anchor in the precast concrete part is facilitated and specified.
  • a further advantageous embodiment provides that the two core parts have a nose for penetrating an opening in the anchor head, with which they engage with one another via a corresponding shape or indentation with beveled side surfaces.
  • the beveled side surfaces center the two halves of the molded body relative to each other when enclosing the opening of the anchor body, so that a perfect recess with smooth recess walls in the later precast concrete is guaranteed, which also ensures the perfect immersion of the coupling head in this recess.
  • FIG. 1 shows the molded body 10 according to the invention, which is cast together with an anchor 50 into a prefabricated concrete part 80, from which the formwork 70 is being removed.
  • the molded body 10 was pressed against the formwork 70 by means of the wing nut 61 and the threaded rod 60 and by means of a bayonet mechanism, which will be explained in more detail below.
  • the two core parts 20 and 30 extend upwards so far that their end faces 42 lie over the connecting bridge 41 and the joint effect mentioned at the outset occurs.
  • the connecting bridge 41 On the mutually facing surfaces of these two halves of the molded body, a nose 21, 31 is attached, the dimensions of which are matched to the passage opening of the armature 50, so that these two lugs 21 and 31 define the armature 50 in its later position in the prefabricated concrete part and cut out the access opening.
  • the connecting bridge 41 also has a reinforced edge area 410 which is matched to the roof-shaped design of the anchor 50 in its front area. Due to the design of the edge area in connection with the hinge effect of the end faces 42, the end face 52 of the anchor 50 is also pressed against the edge area 410, so that the anchor 50 is positioned perpendicular to the later surface of the precast concrete part.
  • the two lugs 21 and 31 each have a corresponding shape 211 or indentation 311 with bevelled side surfaces, as a result of which the two halves of the shaped body according to the invention are centered on one another.
  • incisions or grooves 25, 35 with dovetail cross section are provided in the core parts, which at least at least partially also filled with the material of the jacket 40.
  • Bores 23 and 33 also serve, in addition to the same purpose as the undercuts, namely for the positive connection, also for receiving fastening devices of the molded body on the formwork 70;
  • the bore 33 has a screw nut 34 into which a threaded rod similar to the threaded rod 60 shown in FIG. 1 can be screwed and which thus presses the end face of the molded body against the inside of the formwork 70.
  • An embodiment of the invention provides that at least one bore within one of the two core parts 20 or 30 has a steel plate 24 instead of the screw nut 34, the bore of which has two lateral formations into which the correspondingly designed front end of a fastening device can be inserted, which after Passing through the steel plate is locked by a quarter turn in the manner of a bayonet lock (see also Fig. 1). It is important that the screw nut 34 or the steel plate 24 can be supported on the rigid, resistant material of the core part 20 or 30 when screwing in or locking a fastening device for pressing against the formwork board 70.
  • the material for the core parts 20 and 30 was chosen to be polyamide, for the jacket 40 polyurethane or soft PVC.
  • the shaped body according to the invention therefore consists of polyamide in all those areas (core parts 20 and 30) in which high material stability is required gives required rigidity.
  • polyurethane is used that is flexible and resistant to chemical-physical influences on the part of the concrete or formwork material (formwork oil or similar).

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Piles And Underground Anchors (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
EP81107706A 1980-10-04 1981-09-29 Corps de moulage pour le maintien d'ancre et pour la production d'une cavité dans une pièce fabriquée en béton Expired EP0049455B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81107706T ATE6915T1 (de) 1980-10-04 1981-09-29 Formkoerper zur ankerhalterung und zur erzeugung einer aussparung in einem betonfertigteil.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3037596A DE3037596C2 (de) 1980-10-04 1980-10-04 Formkörper zur Halterung eines Ankers beim Betonieren eines Betonfertigteiles
DE3037596 1980-10-04

Publications (3)

Publication Number Publication Date
EP0049455A2 true EP0049455A2 (fr) 1982-04-14
EP0049455A3 EP0049455A3 (en) 1982-08-25
EP0049455B1 EP0049455B1 (fr) 1984-04-04

Family

ID=6113633

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81107706A Expired EP0049455B1 (fr) 1980-10-04 1981-09-29 Corps de moulage pour le maintien d'ancre et pour la production d'une cavité dans une pièce fabriquée en béton

Country Status (4)

Country Link
US (1) US4383674A (fr)
EP (1) EP0049455B1 (fr)
AT (1) ATE6915T1 (fr)
DE (1) DE3037596C2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5535979A (en) * 1993-05-10 1996-07-16 Conac Limited Apparatus for use in forming recesses in cast bodies
WO2001081161A2 (fr) 2000-04-27 2001-11-01 Vrijhof Ankers Beheer B.V. Ancre comportant une verge
CN102839752A (zh) * 2012-09-19 2012-12-26 黄昆 一种混凝土预制件连接器

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3629772A1 (de) * 1986-09-02 1988-03-03 Siegfried Fricker Formkoerper zur halterung eines ankers beim betonieren eines betonfertigteiles
DE3733703C2 (de) * 1987-10-06 1995-12-14 Unistrut Europ Aussparungskörper
US6082700A (en) * 1998-12-17 2000-07-04 Dayton Superior Corporation Anchor positioning insert
USD438991S1 (en) 2000-02-04 2001-03-13 Dayton Superior Corporation Concrete anchor including an elliptical base
USD438649S1 (en) 2000-02-04 2001-03-06 Dayton Superior Corporation Concrete anchor including an octagonal base
USD437063S1 (en) 2000-02-04 2001-01-30 Dayton Superior Corporation Concrete anchor including a pentagonal base
USD436674S1 (en) 2000-02-04 2001-01-23 Dayton Superior Corporation Concrete anchor
USD437062S1 (en) 2000-02-04 2001-01-30 Dayton Superior Corporation Concrete anchor including a hexagonal base
US6769663B2 (en) * 2001-06-25 2004-08-03 Meadow Burke Products Void forming and anchor positioning apparatus and method for concrete structures
US7032354B2 (en) 2001-12-19 2006-04-25 Universal Form Clamp Co., Inc. Sandwich erection lift anchor with welding plate assembly
US20030213206A1 (en) * 2002-05-01 2003-11-20 Universal Form Clamp Co., Inc. Anchor for embedment in concrete members
USD520649S1 (en) 2003-02-19 2006-05-09 Universal Form Clamp Co., Inc. Pass through concrete anchor
US7111432B2 (en) * 2003-02-19 2006-09-26 Universal Form Clamp Of Chicago, Inc. Passthrough concrete anchor
USD540657S1 (en) 2003-08-27 2007-04-17 Universal Form Clamp Of Chicago, Inc. W foot anchor
US20050055958A1 (en) * 2003-08-27 2005-03-17 Universal Form Clamp Co., Inc. W foot anchor
USD547524S1 (en) 2003-08-27 2007-07-24 Universal Form Clamp Of Chicago, Inc. Ring lift anchor
US20050044811A1 (en) * 2003-08-27 2005-03-03 Universal Form Clamp Co., Inc. Ring lift anchor
US7065925B2 (en) * 2004-02-11 2006-06-27 Universal Form Clamp Of Chicago, Inc. Concrete anchor
US20060248811A1 (en) * 2005-05-04 2006-11-09 Universal Form Clamp Co., Inc. Anchor positioning assembly
USD560872S1 (en) * 2006-05-03 2008-01-29 Universal Building Products, Inc. Anchor for tilt-up concrete slabs
USD559499S1 (en) * 2006-05-03 2008-01-08 Universal Building Products, Inc. Cap for anchor on tilt-up concrete slabs
USD569071S1 (en) * 2006-05-03 2008-05-13 Universal Building Products, Inc. Flat anchor for tilt-up concrete slabs
US7441375B2 (en) * 2006-11-06 2008-10-28 Lang Frank J Cover for pockets in precast concrete panels
AU2008234382A1 (en) * 2007-04-02 2008-10-09 Cfs Concrete Forming Systems Inc. Methods and apparatus for providing linings on concrete structures
CA2816303C (fr) 2007-11-09 2015-06-02 Cfs Concrete Forming Systems Inc. Composants de connecteur pour des systemes de coffrage et leurs procedes d'utilisation
WO2009092158A1 (fr) * 2008-01-21 2009-07-30 Octaform Systems Inc. Systèmes de coffrage fixe pour fenêtres et autres ouvertures de bâtiment
WO2010037211A1 (fr) * 2008-10-01 2010-04-08 Cfs Concrete Forming Systems Inc. Appareil et procédés pour l'habillage de structures en béton avec des revêtements souples de textile ou analogue
CA2748168C (fr) 2009-01-07 2015-12-15 Cfs Concrete Forming Systems Inc. Procedes et appareil pour restaurer, reparer, renforcer et/ou proteger des structures utilisant du beton
US8943774B2 (en) 2009-04-27 2015-02-03 Cfs Concrete Forming Systems Inc. Methods and apparatus for restoring, repairing, reinforcing and/or protecting structures using concrete
US8793953B2 (en) 2009-02-18 2014-08-05 Cfs Concrete Forming Systems Inc. Clip-on connection system for stay-in-place form-work
US8137444B2 (en) * 2009-03-10 2012-03-20 Calera Corporation Systems and methods for processing CO2
WO2012003587A1 (fr) 2010-07-06 2012-01-12 Cfs Concrete Forming Systems Inc. Système de poussée pour restaurer, réparer, renforcer, protéger, isoler et/ou revêtir des structures
WO2013040495A1 (fr) 2011-09-16 2013-03-21 Goss Construction, Inc. Systèmes et procédés de coffrage
CA2855739C (fr) 2011-11-24 2016-10-11 Cfs Concrete Forming Systems Inc. Coffrage restant en place avec panneaux anti-deformation
US9206614B2 (en) 2011-11-24 2015-12-08 Cfs Concrete Forming Systems Inc. Stay-in-place formwork with engaging and abutting connections
WO2013102274A1 (fr) 2012-01-05 2013-07-11 Cfs Concrete Forming Systems Inc. Connexions panneau à panneau pour garnitures de maintien en place utilisées pour réparer des structures
US10151119B2 (en) 2012-01-05 2018-12-11 Cfs Concrete Forming Systems Inc. Tool for making panel-to-panel connections for stay-in-place liners used to repair structures and methods for using same
US9315987B2 (en) 2012-01-05 2016-04-19 Cfs Concrete Forming Systems Inc. Systems for restoring, repairing, reinforcing, protecting, insulating and/or cladding structures with locatable stand-off components
US8959847B2 (en) 2012-06-20 2015-02-24 Meadow Burke Method and apparatus for attaching temporary lifting members to an existing lifting anchor
US8826605B2 (en) 2012-10-05 2014-09-09 Oldcastle Precast, Inc. Lifting and bracing system for a wall panel
WO2015081445A1 (fr) 2013-12-06 2015-06-11 Cfs Concrete Forming Systems Inc. Composants de garniture de revêtement de structure et procédés de fabrication et d'utilisation de ceux-ci
AU2015240346B2 (en) 2014-04-04 2019-04-18 Cfs Concrete Forming Systems Inc. Liquid and gas-impermeable connections for panels of stay- in-place form-work systems
EP3397823B1 (fr) 2015-12-31 2022-03-09 CFS Concrete Forming Systems Inc. Appareil de revêtement de structure à largeur ajustable et outil pour celui-ci
EP3607152B1 (fr) 2017-04-03 2023-09-27 CFS Concrete Forming Systems Inc. Revêtements de plafond de maintien en place à grande portée
EP3728763A4 (fr) 2017-12-22 2021-10-13 CFS Concrete Forming Systems Inc. Douilles-entretoises à encliquetage pour restaurer, réparer, renforcer, protéger, isoler et/ou barder des structures
US10968645B2 (en) 2018-03-20 2021-04-06 Meadow Burke, Llc Anchor and clutch assembly
CA3128405A1 (fr) 2019-02-08 2020-08-13 Cfs Concrete Forming Systems Inc. Dispositifs de retenue permettant de restaurer, reparer, renforcer, proteger, isoler et/ou habiller des structures

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US1970860A (en) * 1932-06-22 1934-08-21 Benedict Stone Products Compan Method of molding a concrete block equipped with a lifting strap
US2366656A (en) * 1941-08-08 1945-01-02 George J Saffert Apparatus for holding an anchor in a mold
GB866164A (en) * 1957-04-01 1961-04-26 Alexander Feldmann Method and means of forming cavities in cast materials such as concrete
DE1949631U (de) * 1966-09-20 1966-11-10 Haeussler Ernst Vorrichtung zur herstellung von transportankerausnehmungen.
FR2167274A5 (en) * 1972-01-11 1973-08-24 Arteon Marcel Cast panels contg inserts -eg anchorage bolts temporarily - located during casting between split plastic (gps) shells
US4101626A (en) * 1974-08-24 1978-07-18 Bridgestone Tire Company Limited Method for molding an article expanded at the center portion and having the maximum inner diameter at said portion for a liquid elastomer
AT338637B (de) * 1975-03-24 1977-09-12 Polyair Maschinenbau Gmbh Giess- oder spritzform zur herstellung von reifen
DE2935825C2 (de) * 1979-09-05 1981-09-24 Ernst Dr.-Ing. 4300 Essen Haeussler Vorrichtung zur Erzeugung einer einen Ankerkopf konzentrisch umgebenden, etwa halbkugelförmigen Aussparung in der Oberfläche eines Stahlbetonfertigteiles

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5535979A (en) * 1993-05-10 1996-07-16 Conac Limited Apparatus for use in forming recesses in cast bodies
WO2001081161A2 (fr) 2000-04-27 2001-11-01 Vrijhof Ankers Beheer B.V. Ancre comportant une verge
CN102839752A (zh) * 2012-09-19 2012-12-26 黄昆 一种混凝土预制件连接器
CN102839752B (zh) * 2012-09-19 2014-07-09 黄昆 一种混凝土预制件连接器

Also Published As

Publication number Publication date
DE3037596A1 (de) 1982-04-15
EP0049455B1 (fr) 1984-04-04
US4383674A (en) 1983-05-17
ATE6915T1 (de) 1984-04-15
DE3037596C2 (de) 1983-12-15
EP0049455A3 (en) 1982-08-25

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