EP0262401B1 - Vorrichtung zur Halterung eines Ankers beim Betonieren eines Betonfertigteiles - Google Patents
Vorrichtung zur Halterung eines Ankers beim Betonieren eines Betonfertigteiles Download PDFInfo
- Publication number
- EP0262401B1 EP0262401B1 EP87112460A EP87112460A EP0262401B1 EP 0262401 B1 EP0262401 B1 EP 0262401B1 EP 87112460 A EP87112460 A EP 87112460A EP 87112460 A EP87112460 A EP 87112460A EP 0262401 B1 EP0262401 B1 EP 0262401B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaped member
- lifting
- lifting part
- member according
- 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.)
- Expired - Lifetime
Links
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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/142—Means in or on the elements for connecting same to handling apparatus
-
- 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 molded body with the features of the preamble of claim 1.
- blind holes are formed in the molded body material on the head side, which are open on the upper or lifting side facing away from the precast concrete part. After the concrete has hardened, two round rods can be inserted into these blind holes, by means of which the shaped bodies can be subsequently removed from the precast concrete element by scissors-like compression. When installing or manufacturing the prefabricated concrete part, it can happen that the blind holes fill up with concrete, so that the round bars cannot be inserted and thus subsequent removal of the molded body is not possible. Another disadvantage is that for the subsequent lifting of the molded body from the precast concrete always round rods are to be kept or procured that fit into the blind holes of the molded body.
- the object of the invention is to develop a molded body with the features of the preamble of claim 1 to the effect that absolutely reliable extraction from the prefabricated concrete part can be achieved with simple means without special lever bars.
- the molded body 1 according to the invention can be cast with an anchor 2 into a prefabricated concrete part (not shown here) produced with the help of a removed formwork 3. It can be seen that the formwork 3 is penetrated by a wing nut 4, the mounting screw 5 and that under the formwork 3 there is a holding plate 6, which in a formed on the upper lifting side 7 rectangular recess 8 of the molded body 1 so it can be used that a largely flat conclusion is given. On the underside of the holding plate 6 there are two cylindrical pins 9 which can be inserted into two bores 10 of the molded body 1.
- the molded body 1 has, as shown in FIG. 6 two mold core parts 11, 12 which have high material stability and can preferably be made of polyamide, as a result of which the molded body 1 is given a high degree of inherent rigidity.
- the core parts 11, 12 are surrounded by a jacket 13, which consists of a flexible material and can preferably be made of an elastic polyurethane, which is resistant to chemical-physical effects on the part of the concrete or the formwork material (formwork oil or the like) and mechanical loads largely resists when inserting the anchor 2 and removing the molded body 1 from the precast concrete part.
- the flexible jacket 13 is designed so that there is a film hinge-like predetermined bending point 14 in the center region at the base of the recess 8, so that the two sides of the molded body 1 with the two core parts 11, 12 can be bent somewhat upward about the axis of the predetermined bending point 14 and the lugs 16, 17 of the core parts 11, 12 engaging in an opening of the armature head 15 disengage and release the armature 2.
- the holes 10 used to fasten the molded body 1 to the formwork 3 are spaced to the left and right of the predetermined bending point 14.
- the bore 10 shown on the left in the drawing (FIG. 6) has a metal plate 18 in the lower region, which can have such shapes that a bayonet-type pin lock is possible.
- a threaded nut 19 is held, into which a pin thread can be screwed, so that the molded body 1 with its upper end face or lifting side 7 can be pulled against the inside of the formwork 3.
- the molded body 1 has at least one lifting part 20.
- the lifting part 20 can preferably be a wire rope or a cord, it being advantageous to form the rope as a loop or loop, so that an insertion opening 21 is formed, into which an auxiliary tool, preferably a so-called mason hammer, which the concrete workers at the daily work as a common tool is always available, can be inserted to pry out the molded body 1 from the precast concrete.
- the lifting part 20 for example from a sheet of metal, as a flat rectangular tab, for example a hinge, and to provide this with a hole into which the auxiliary tool or mason hammer can be inserted.
- the loop-shaped lifting part designed as a rope 20 can preferably consist of metal wires or a highly tear-resistant plastic cord.
- the ends of the wire rope-shaped raised body 20 can be combined by means of a crimp sleeve 23 and fixed with this in the molded body 1.
- the ends of the cable loop-shaped lifting part 20 are combined on a threaded bolt 24, via which a firm anchoring in the molded body 1 can also be achieved.
- the lifting part 20 can expediently be positioned on the shaped body 1 in such a way that it is located within the shell-shaped recess 8 on the upper head side or lifting side 7. It may be advantageous to measure the total length or the sum of the length of the lifting slings 20 so that it is not greater than the length of the recess 8. This ensures that the lifting parts 20 are in any case entirely from the recess 8 can be recorded and stored sunk in this. For this purpose, it may be advantageous to arrange the lifting slings 20 so that they are embedded somewhat obliquely in the molded body 1, in such a way that the two lifting parts are slightly inclined towards one another, so that an inwardly inclined inclination toward the center of the molded body is predetermined is. This ensures that the lifting loops 20 are automatically folded inwards against the formwork 3 when the molded body 1 is screwed on and bend into the recess 8 by itself or in a positively driven manner.
- the two lifting parts 20 are fastened in one of the two mold core parts 11, 12, whereby they can expediently be cast in the plastic material of the mold core parts 11, 12, so that there is a positive anchoring. It can be seen that the lifting loops 20 are at an even greater distance from one another than the two bores 10 of the molded body 1.
- the loop-shaped lifting parts 20 are thus anchored with their crimp sleeves 23 to the left or right next to the bores 10 in the molded core parts 11, 12, so that for a smooth levering out of the molded body 1 from the prefabricated concrete part there are relatively large lever arms from the lifting parts 20 to the predetermined bending point 14 located in the center of the distance.
- FIG. 2 and 6 show that the lifting parts 20 are erected and the upper lifting side 7 protrude outwards.
- a mason hammer or the like can be inserted into the insertion openings 21 to lift out the molded body 1.
- the cable loop-shaped lifting parts 20 are bent inwards and are thus completely recessed in the recess 8.
- the only wire-shaped lifting part 20 is arranged in an arc shape in the region of the recess 8, so that a bracket is practically formed, which spans the predetermined bending point 14 and the two bores 10 of the molded body 1.
- one end 25 of the rope-shaped lifting bracket 20 is firmly cast in one (left) mold core part 11 and the other end 26 in the other (right) mold core part 12 of the molded body 1.
- the ends 25, 26 can be bent into hooks 22 similar to those shown in FIG. 3 shown.
- the arch-shaped lifting part 20 can also be bent so that it is located within the recess 8.
- This design has the advantage that only an auxiliary tool, such as a mason hammer, is to be placed in the middle of the rope-shaped lifting part 20 and only has to be pulled vertically upwards in one direction for lifting the molded body 1, the molded body 1 being centered around the predetermined bending point 14 can tilt up slightly and can thus be lifted out of the precast concrete more easily. In this embodiment, too, a uniform distribution of the lifting forces on the two sides of the molded body 1 is achieved.
- the advantage is achieved that, when the shaped body 1 is installed over a wide area and the concrete is subsequently pulled off or smoothed by the resilient restoring forces of the wire loops 20, the shaped body 1 is easily found again and again even if it should have sunk a bit into the concrete.
- the surface of the molded body 1 is covered with a thin concrete layer of about 2 to 5 mm, so that the lifting side 7 of the molded body 1 is no longer visible.
- the preferably wire-loop-shaped lifting parts 20 also offer the advantage that later, after the concrete has hardened when the molded part 1 is lifted out, the mason hammer, which is always readily available to the concrete worker, can be used as a hook by guiding the tip of the mason hammer through the loop and the Shaped body 1 by oblique drawing can be lifted upwards.
- the cable loop-shaped lifting parts 20 easily fold when screwing the molded body 1 and immerse it in the recess 8 of the molded body 1. After the molded body 1 has been removed from the formwork 3, the wire loops can spring back and are thus immediately ready for use again.
- a major advantage is that no drilling holes can run anymore and that the lifting slings 20 can be hooked into the lifting slings 20 at any time with simple auxiliary tools that are always present in the construction and the molded body 1 can be pulled out without problems.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Joining Of Building Structures In Genera (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863629772 DE3629772A1 (de) | 1986-09-02 | 1986-09-02 | Formkoerper zur halterung eines ankers beim betonieren eines betonfertigteiles |
DE3629772 | 1986-09-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0262401A1 EP0262401A1 (de) | 1988-04-06 |
EP0262401B1 true EP0262401B1 (de) | 1990-11-28 |
Family
ID=6308696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87112460A Expired - Lifetime EP0262401B1 (de) | 1986-09-02 | 1987-08-27 | Vorrichtung zur Halterung eines Ankers beim Betonieren eines Betonfertigteiles |
Country Status (8)
Country | Link |
---|---|
US (1) | US4821994A (no) |
EP (1) | EP0262401B1 (no) |
JP (1) | JPH07122336B2 (no) |
KR (1) | KR880004188A (no) |
CA (1) | CA1291630C (no) |
DE (2) | DE3629772A1 (no) |
DK (1) | DK162032C (no) |
NO (1) | NO873665L (no) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5004208A (en) * | 1990-01-25 | 1991-04-02 | Domizio George T | Removable recess forming insert |
FR2672648B1 (fr) * | 1991-02-08 | 1993-04-16 | Mure Ets | Dispositif pour le maintien, provisoire d'un organe de levage sur une surface metallique de coffrage pendant les phases de coulee et de prise du beton d'un element en beton prefabrique. |
DE9105539U1 (no) * | 1991-05-04 | 1991-08-14 | Mtk-Magnettechnik Gmbh & Co. Kg, 5650 Solingen, De | |
DE9117119U1 (de) * | 1991-09-25 | 1996-02-01 | Philipp Gmbh Geb | Seilschlaufeneinlegeteil für den Verbund von Betonfertigteilen |
GB9309594D0 (en) * | 1993-05-10 | 1993-06-23 | Conac Ltd | Method and apparatus for use in forming recesses in cast bodies |
US5651911A (en) * | 1995-11-02 | 1997-07-29 | Pennypacker; J. Edward | Removable insert for forming recess |
DE29612573U1 (de) * | 1996-07-20 | 1997-11-20 | Pfeifer Seil Hebetech | Vorrichtung zum Verbund von Betonfertigteilen |
DE29616746U1 (de) * | 1996-09-25 | 1996-11-14 | Ytong Ag | Transportverankerung |
IT1305797B1 (it) * | 1998-06-25 | 2001-05-16 | G M Attrezzature S R L | Metodo di ancoraggio di sicurezza particolarmante per il sollevamentodi lastroni in calcestruzzo e congegno di aggancio attuativo di esso. |
US6082700A (en) * | 1998-12-17 | 2000-07-04 | Dayton Superior Corporation | Anchor positioning insert |
AU770091B2 (en) * | 1999-04-08 | 2004-02-12 | Dayton Superior Corporation | Concrete void former and cooperating cover |
US6581996B1 (en) | 1999-04-27 | 2003-06-24 | Lawrence Fromelius | Lifting system for use in hoisting, particularly heavy cast panels |
DE19950675C5 (de) * | 1999-10-21 | 2005-04-21 | Gebr. Seifert Gmbh + Co | Transportanker zum Einbetten in Stahlbetonfertigteile |
US6550834B2 (en) * | 2000-11-30 | 2003-04-22 | Lawrence Fromelius | Removable insert for creating a void space, as in precast concrete panels |
WO2001081234A2 (en) * | 2000-04-26 | 2001-11-01 | Lawrence Fromelius | Lifting system for use in hoisting, particularly heavy cast panels |
US6431508B1 (en) * | 2000-11-06 | 2002-08-13 | The United States Of America As Represented By The Secretary Of The Navy | Adaptable and universal system for attachments |
US6575424B2 (en) | 2001-03-26 | 2003-06-10 | George Thomas Domizio | Void forming device |
US6769663B2 (en) * | 2001-06-25 | 2004-08-03 | Meadow Burke Products | Void forming and anchor positioning apparatus and method for concrete structures |
ES2217905B1 (es) * | 2001-10-26 | 2006-02-01 | Jesus Sanchez Reñasco | Sistema de registro empotrable para anclajes en obra. |
US7032354B2 (en) | 2001-12-19 | 2006-04-25 | Universal Form Clamp Co., Inc. | Sandwich erection lift anchor with welding plate assembly |
US7127859B2 (en) * | 2002-02-08 | 2006-10-31 | George Domizio | Hand-held void-forming system and anchor applicator |
CA2376531A1 (en) * | 2002-03-14 | 2003-09-14 | Sky Cast Inc. | Hole forming plug |
US20030213206A1 (en) * | 2002-05-01 | 2003-11-20 | Universal Form Clamp Co., Inc. | Anchor for embedment in concrete members |
US7222460B2 (en) | 2002-07-17 | 2007-05-29 | Dayton Superior Corporation | Cover for a concrete construction |
US7137609B2 (en) * | 2003-01-09 | 2006-11-21 | Pennsylvania Insert Corp. | Pulling iron pocket, lid and shield |
US7111432B2 (en) * | 2003-02-19 | 2006-09-26 | Universal Form Clamp Of Chicago, Inc. | Passthrough concrete anchor |
US7004443B2 (en) * | 2003-03-19 | 2006-02-28 | Dayton Superior Corporation | Concrete void former |
US20050044811A1 (en) * | 2003-08-27 | 2005-03-03 | Universal Form Clamp Co., Inc. | Ring lift anchor |
US20050055958A1 (en) * | 2003-08-27 | 2005-03-17 | Universal Form Clamp Co., Inc. | W foot 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 |
NZ566024A (en) * | 2005-09-06 | 2011-09-30 | Itw Construction Products Australia Pty Ltd | Void former for forming a viod in cast concrete |
US20070251169A1 (en) * | 2006-04-26 | 2007-11-01 | Dahl Kjell L | Grouted rebar dowel splice |
US8413400B2 (en) * | 2006-06-13 | 2013-04-09 | Woodstock Percussion Pty Ltd. | Recess former for concrete panels |
US8024896B2 (en) * | 2007-02-21 | 2011-09-27 | Michael Azarin | Anchor recess former |
US20100000175A1 (en) * | 2008-07-02 | 2010-01-07 | Rod Johnson | Recess Forming and Anchor Positioning Apparatus |
US20220316224A1 (en) * | 2009-04-09 | 2022-10-06 | Pf3 Global, Llc | Systems and Methods of Concrete Apparatus with Incorporated Lifter |
US11371252B2 (en) * | 2018-07-11 | 2022-06-28 | Pf3 Global Llc | Systems and methods of concrete apparatus with incorporated lifter |
US8511038B2 (en) * | 2011-02-15 | 2013-08-20 | Randel Brandstrom | Concrete panel with fiber reinforced rebar |
US8959847B2 (en) | 2012-06-20 | 2015-02-24 | Meadow Burke | Method and apparatus for attaching temporary lifting members to an existing lifting anchor |
US9151065B1 (en) | 2012-09-27 | 2015-10-06 | A.L. Patterson, Inc. | Precast concrete lift anchor assembly |
US8800220B1 (en) * | 2012-09-28 | 2014-08-12 | Sidney E. Francies, III | Precast concrete recess insert |
US8826605B2 (en) | 2012-10-05 | 2014-09-09 | Oldcastle Precast, Inc. | Lifting and bracing system for a wall panel |
CA2997743A1 (en) | 2017-03-14 | 2018-09-14 | Silverline Safety Systems Corp. | Recessed concrete anchor |
KR102011716B1 (ko) * | 2017-05-19 | 2019-08-19 | 주식회사 메이크순 | 건축 슬래브용 인서트 |
US10132092B1 (en) * | 2017-07-26 | 2018-11-20 | Maestro International, Llc | Recess insert for lift anchor assembly |
US10968645B2 (en) | 2018-03-20 | 2021-04-06 | Meadow Burke, Llc | Anchor and clutch assembly |
CN112313053A (zh) * | 2018-06-22 | 2021-02-02 | 瑞斯泽巴迪泰灵公司 | 用于在混凝土中形成空隙的装置和方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US587751A (en) * | 1897-08-10 | John mcmurtrie | ||
US1324485A (en) * | 1919-12-09 | Bottle stopper | ||
US1975235A (en) * | 1932-06-22 | 1934-10-02 | Benedict Stone Products Compan | Building block |
CH241196A (de) * | 1942-09-10 | 1946-02-28 | Bohaboj Wenzel | Pfropfen mit Pfropfenzieher. |
US3187694A (en) * | 1963-10-03 | 1965-06-08 | A P Green Fire Brick Company | Metal cased refractory with protected suspending means |
DE7032714U (de) * | 1970-08-17 | 1970-12-17 | Bernicke Hans | Formkasten mit hebeanker in der senkrechten. |
FR2221354A1 (en) * | 1973-03-12 | 1974-10-11 | Delaune Jean | Bottle stopper with partial circular slot in rim - is opened by pulling wings formed by folding back rim |
DE2806261C2 (de) * | 1978-02-15 | 1986-08-14 | Pfeifer Seil- Und Hebetechnik Gmbh & Co, 8940 Memmingen | Vorrichtung zum Transport von Betonfertigteilen |
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 |
DE3037596C2 (de) * | 1980-10-04 | 1983-12-15 | Siegfried 7135 Wiernsheim Fricker | Formkörper zur Halterung eines Ankers beim Betonieren eines Betonfertigteiles |
US4367892A (en) * | 1980-10-23 | 1983-01-11 | The Burke Company | Lift system for tilt-up walls |
DE8219083U1 (de) * | 1982-07-03 | 1982-10-14 | Halfeneisen GmbH & Co KG, 4000 Düsseldorf | Bewehrungsanschlussschiene |
-
1986
- 1986-09-02 DE DE19863629772 patent/DE3629772A1/de not_active Withdrawn
-
1987
- 1987-08-20 KR KR870009129A patent/KR880004188A/ko not_active Application Discontinuation
- 1987-08-21 DK DK435487A patent/DK162032C/da not_active IP Right Cessation
- 1987-08-27 EP EP87112460A patent/EP0262401B1/de not_active Expired - Lifetime
- 1987-08-27 DE DE8787112460T patent/DE3766458D1/de not_active Expired - Lifetime
- 1987-09-01 CA CA000545826A patent/CA1291630C/en not_active Expired - Lifetime
- 1987-09-01 US US07/092,314 patent/US4821994A/en not_active Expired - Lifetime
- 1987-09-01 JP JP62216558A patent/JPH07122336B2/ja not_active Expired - Lifetime
- 1987-09-01 NO NO873665A patent/NO873665L/no unknown
Also Published As
Publication number | Publication date |
---|---|
KR880004188A (ko) | 1988-06-02 |
US4821994A (en) | 1989-04-18 |
NO873665L (no) | 1988-03-03 |
DK435487A (da) | 1988-03-03 |
DE3629772A1 (de) | 1988-03-03 |
NO873665D0 (no) | 1987-09-01 |
DK435487D0 (da) | 1987-08-21 |
DK162032B (da) | 1991-09-09 |
DK162032C (da) | 1992-02-10 |
JPS6370774A (ja) | 1988-03-30 |
EP0262401A1 (de) | 1988-04-06 |
DE3766458D1 (de) | 1991-01-10 |
JPH07122336B2 (ja) | 1995-12-25 |
CA1291630C (en) | 1991-11-05 |
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