EP1132545A2 - Matériel de coffrage - Google Patents

Matériel de coffrage Download PDF

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Publication number
EP1132545A2
EP1132545A2 EP01105512A EP01105512A EP1132545A2 EP 1132545 A2 EP1132545 A2 EP 1132545A2 EP 01105512 A EP01105512 A EP 01105512A EP 01105512 A EP01105512 A EP 01105512A EP 1132545 A2 EP1132545 A2 EP 1132545A2
Authority
EP
European Patent Office
Prior art keywords
base
formwork material
carrier
welding station
panel
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
EP01105512A
Other languages
German (de)
English (en)
Other versions
EP1132545A3 (fr
EP1132545B1 (fr
Inventor
Willibald Fischer
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 DE10037193A external-priority patent/DE10037193C2/de
Application filed by Individual filed Critical Individual
Publication of EP1132545A2 publication Critical patent/EP1132545A2/fr
Publication of EP1132545A3 publication Critical patent/EP1132545A3/fr
Application granted granted Critical
Publication of EP1132545B1 publication Critical patent/EP1132545B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E04G9/06—Forming boards or similar elements the form surface being of metal

Definitions

  • the invention relates to a formwork material according to the preamble of the claim 1 and a device for its production.
  • Such formwork material is known from EP 0 507 054 B1.
  • the known Formwork material consists of an expanded metal sheet that is between stiffening elements is welded in the form of cross and longitudinal bars of a metal grid.
  • This formwork material is made by using the longitudinal bars, the metal panel and the cross bars in the predetermined orientation in an electric welding station merges and there the longitudinal and transverse bars at their crossing points the metal plate welded together.
  • the longitudinal bars lie flat during feeding on a conveyor table and are pushed into the welding station by a slide.
  • the crossbars are just above the welding station from a Welding station conveyed magazine to the predetermined location. The fuse the mutual position of the bars and the plate takes over at the welding station arranged holder.
  • the well-known formwork material is for the most varied Applications very well usable.
  • the only disadvantage is that it where a higher stability of the formwork is required, such as B. at the Formwork of EP 513 740, by the trusses known in the prior art must be additionally strengthened.
  • the invention is therefore based on the task of producing formwork material that is simple to manufacture with increased rigidity as well as an apparatus and a method to provide for its manufacture.
  • the configuration according to the invention makes an extremely stable formwork material achieved with a stiffening integrated in the formwork material, which nevertheless in used in the same way as the known formwork material on the construction site can be.
  • the formwork material according to the invention is particularly suitable for large, straight formwork, but is also deformable to a limited extent, so that shaped Formwork become possible.
  • Claim 2 describes a particularly useful dimensioning of the carrier perpendicular to the board.
  • the measure according to claim 3 improves the stability of the formwork material crucial.
  • Claims 5 to 11 describe various preferred exemplary embodiments for beams for the formwork material according to the invention, depending on the special Requirements can be selected. So are composed of bars Lattice girders are easy to prefabricate and, thanks to their openwork, offer a good one Concrete connection when the formwork material according to the invention for the production lost formwork is used. In addition, the bars of the lattice girder be included in the reinforcement. Flat beams, both in the form of a flat lattice girder as well as in the form of a flat metal strip are, however more deformable.
  • the object is further achieved by the device according to claim 12.
  • the inventive design of the device allows the inventive Formwork material despite the use of a certain extension vertically to the panel showing the carrier, even if it has a non-stable cross-section have, are simple and inexpensive to manufacture.
  • a laterally protruding part on the carrier in particular a Base bar for a lattice girder, supported by this contact surface.
  • Claim 16 describes a modification of the device according to the invention for one Beam with a modified cross-section.
  • Claims 17 to 23 describe further or alternative modifications of the invention Device specially designed for semi-automatic production are adapted, since the carrier can also be fed automatically here.
  • a formwork material 1 which comprises a panel 2 made of a metal sheet, in particular an expanded metal sheet, and welded to the panel 2 on both sides contains first and second stiffening elements 3 and 4.
  • the second stiffening elements 4 run longitudinally on the opposite one Side of panel 2, in Fig. 1 below, and are according to the preferred Embodiment designed as a lattice girder.
  • the second stiffening element 4 is a flat lattice girder 5 which, e.g.
  • a base bar 6, a ridge bar 7 and a spacer 8 which contains the base bar 6 and holds the ridge bar 7 at a predetermined distance between 2 and 30 cm, preferably between 3 to 30 cm, in particular between 2 to 20 cm, at least the base rod 6 is made of weldable material.
  • the spacer 8 is made preferably also from a metal rod that is curved in a wave or zigzag shape is and with its reversal areas with both the base rod 6 and with the Ridge rod 7 is connected, in particular welded.
  • the flat lattice girder 5 is 2 shows, constructed so that the base bar 6 and the ridge bar 7 each next the spacer 8 are arranged, the outwardly facing surfaces both the base bar 6 and the ridge bar 7 with the outward-facing Surfaces of the spacer 8 essentially in the area of the reversal points swear.
  • Fig. 2 for the sake of simplicity, there are two different arrangements shown by base and ridge bar 6, 7 - once on opposite sides and once on the same side of the spacer 8.
  • Each formwork material 1 can however, also have lattice girders 5 in only one arrangement.
  • the flat lattice girder is about welding points 9 with the panel 2 and the opposite stiffening elements 3 welds that the spacer 8 is substantially vertical extends to the level of table 2 and the ridge bar 7 preferably in the largest possible Keeps distance from table 2, while the welding through the welding points 9 at the crossing points between the stiffening elements 3 and the base rod 6 of the flat lattice girder 5 takes place.
  • the device 10 has a welding station 11, which is preferred is designed for electro spot welding and an upper electrode 12 and one has lower electrode 13.
  • the device 10 further includes a first feed path 14 for feeding the lower stiffening element 4, a second feed path 15 for feeding the Table 2 and a third feed line 16 for feeding the transverse stiffening elements 3rd
  • the feed section 14 contains a plurality of channel-like guides 17 (FIG. 4), that run parallel to each other and at a distance perpendicular to the plane of the drawing lie in a row.
  • FIG. 3 there was a limitation of the channel-like guidance 17 omitted to show the stiffening element 4.
  • Each gutter-like Guide 17 is designed to receive a flat lattice girder 5 such that this preferably runs perpendicular to the fed table 2.
  • an additional guide rail for the left variant of the lattice girder 5 from FIG. 2 17a can be provided relative to the base rod 6.
  • the feed device 14 contains further a slide 14a, with the cut pieces of the stiffening element 4 can be pushed in the direction of arrow A through the welding station 11. However, it is also possible to supply the stiffening elements 4 continuously.
  • the feed device 15 for the panel 2 is shown separately in Fig. 3; the table 2 can, however, especially when using cut pieces of the second Stiffening elements 4, also be cut to length and directly on the stiffening elements 4 are placed in their guides 17.
  • the cover 21 has a gap 22 through which the metal rods of the first stiffening elements 3 transversely and preferably at right angles to the second stiffening elements 4 in succession and at intervals down to the already on the second stiffening elements 4 lying panel 2 fall, with a hold-down 23 it is ensured that the rods cannot roll away and that the Table 2 lies flat on the lattice girder. Then the whole unit is in the Welding station 11 inserted.
  • the guide trough 17 ends shortly before the welding station.
  • the lower one Welding electrode 13 is provided with a substantially flat surface is arranged such that the base rod 6 when the flat lattice girder 5 is advanced slides onto the lower welding electrode 13. This is done through a guide cheek 24 supports that of the lower welding electrode 13 at a horizontal distance opposite, which corresponds to the thickness of the spacer 8. In vertical Direction, the guide cheek 24 is the same or shorter than the spacer 8, see above that the ridge bar 7 does not collide with the guide cheek 24.
  • FIG. 6 shows a further exemplary embodiment of a formwork material according to the invention 1 ', except for the use of a lattice girder that differs in shape 25 for the lower, second stiffening element 4 according to the embodiment Fig. 1 corresponds.
  • the lattice girder of the formwork material 1 ' has a triangular shape Cross section on and resembles a conventional truss.
  • the lattice girder 25 has two base bars 26, a ridge bar 27 and two spacers 28, which also (not visible in the figure), made of wavy or zigzag bent metal bars exist and for a distance between 5 and 50 cm between the base distance and the ridge bar perpendicular to table 2.
  • the spacers 28 are related the triangular cross section of the lattice girder 25 on the inside of the base rods, and with their upper surfaces (with respect to FIG. 6) in alignment and outside on the ridge bar 27, also welded flush with its lower surface (with respect to FIG. 6).
  • Everyone Base rod 26 is through panel 2 with a weld 9 with the metal rods of the upper, first stiffening element 3 welded.
  • the different shape of the second stiffening element 4 requires a guide trough 29 deviating shape in the area of the feed device 14 shown in FIG. 7 is.
  • the guide trough 29 has a cross section of the lattice girder 25 which is adapted to triangular cross-section, the wall slope and size of which are so dimensioned may be that the base rods 26 protrude from the top of the guide.
  • the welding station As shown in FIG. 8 shows, modified.
  • two lower electrodes 13a and per grid support 25 13b provided, which serve in the same way as a support for the base rods 26, such as this has already been described with reference to the first exemplary embodiment.
  • an additional guide beam is no longer necessary.
  • a single upper electrode 12 cooperates, so the two welds 9 that are at the intersections with each Metal rod of the upper first stiffening elements 3 through the panel 2 necessary are generated by a single welding process.
  • the second stiffening elements 4 are used Lattice girders 5 or 25 are first prefabricated from base, ridge and spacer bars. Then a predetermined number of these lattice girders 5 or 25 is in the guide troughs 17 or 29 inserted, either either or only selected guide channels be loaded with one of the lattice girders 5 or 25. Then they will Lattice girder 5 or 25 and the panel 2 pushed step by step through the welding station 11, the walking speed matched to the welding speed becomes.
  • the roller 20 rotates in the same cycle and conveys the metal rods 3 in predetermined distances from the welding unit 11.
  • FIG. 9 shows, in a schematic illustration similar to FIG. 3, a further device 100 for the production of formwork material.
  • the device 100 includes one Welding station 111 in the form of a welding press with a large stroke for the electro-spot welding process.
  • the welding device 111 includes an upper electrode 112 and a lower electrode 113 which are provided at the welding points.
  • the device 100 also contains a feed section 114, via which one of the stiffening elements, in the present case the metal rods 3, in particular made of structural steel, be fed.
  • the metal rod is drawn off from a supply roll 130 and, preferably by pushing, over a directional path, not shown, in which the Metal rod 3 is bent straight, in the direction of arrow A into the welding station 111 funded.
  • Device 100 further includes a feed path 115 for panel 2, which is above the feed section 114 is arranged and also contains a supply roll 131, from which the panel 2 is peeled and first straight in a straightening device 132 is bent before the panel 2 into the welding device 111 in the direction of Arrow A is promoted.
  • a feed path 115 for panel 2 which is above the feed section 114 is arranged and also contains a supply roll 131, from which the panel 2 is peeled and first straight in a straightening device 132 is bent before the panel 2 into the welding device 111 in the direction of Arrow A is promoted.
  • an inlet guide 133 Shortly before the welding device 111 is an inlet guide 133 is provided with an inlet gap that widens in the direction of arrow A. The inlet guide 133 ensures that the panel 2 is smooth and immovable on the Metal rods 3 is pushed overlying into the welding station 111.
  • the welding station 111 there is a distance in front of the upper welding electrode 112 Magnet 134 arranged, which extends into the area of the inlet guide 133 and whose upper surface as a support surface 134a for the ridge bar of a flat lattice girder 5 is formed.
  • the bearing surface 134a lies so far above the inlet guide 133 that the base rod 6 of the lattice girder 5 rests on the panel 2.
  • the flat lattice girder 5 is fed to the welding station 111 via a feed path 116 9, which is perpendicular to the plane of the drawing in FIG. 9, as in FIG. 10 is shown in more detail.
  • the feed path 116 for the lattice girder 5 preferably also contains a not shown supply roll for the lattice girder 5 or a kind Magazine or the like, from which pieces of greater length or pieces already cut to length of the lattice girder 5 are fed to the welding station 111 in the direction of the arrow B. can.
  • a cutting device 135 is provided, which cuts the lattice girder 5 to the desired length.
  • a guide receptacle in the form of a U-shaped guide groove 136 in Direction of the double arrow C in and out of the welding station 111 movable.
  • the U-shaped guide groove 136 is shaped and dimensioned so that it transport the flat lattice girder 5 in the upright position shown in FIG. 9 and can hold.
  • this is for example through the supply roll up to welding position 111 and into which guiding groove 136 located in the welding station, while the upper one Electrode 112 of the welding press was moved up.
  • the upper electrode 112 of the welding station 111 is pulled up, so that the finished formwork material 1 from the welding station 111 so far can emerge until the next welding point of a lattice girder 5 is reached.
  • the formwork material 1 can then be processed in a further cutting device 137 can be cut to the desired length.
  • the device 100 can therefore be essentially fully automatic and in cycles operate.
  • FIG. 11 shows a further exemplary embodiment of a formwork material according to the invention with the panel 2 and the rod-shaped stiffening elements 3 of the embodiment according to FIG. 1.
  • a modified beam is formed over the welding spots 9 35 connected to the panel 2 and the stiffening bars 3.
  • the carrier 35 is made from a strip of metal sheet, 1 to 3 mm thick, the free longitudinal edges were angled in opposite directions. That way forms one bend on one of the longitudinal edges, the base 36 and the other bend on the other longitudinal edge the ridge 37, with base 36 and ridge 37 through the remaining web 38 as a spacer in the predetermined described above Be kept apart.
  • the carrier 35 can be used in both devices are welded to the panel 2 and the stiffening rod 3.
  • the web contains 38 openings 39, which were either punched into the sheet metal strip later or already are present if for the carrier 35 a perforated metal sheet, such as a perforated plate is used.
  • the carrier can be used, provided that this increases the strength Extend perpendicular to the board.
  • rods all elongated should Elements are included, e.g. profile bars, strips, strips or the like.
  • the base bars in a triangular lattice girder within of the cross section these lattice girders can also be arranged with their tips as a basis on the board.
  • a V-shaped sheet is also preferred free base edges angled on both sides and / or a flat at the tip can be used as a carrier.
  • the stiffening elements be formed as supports on both sides of the board.
  • the expanded metal panel can be a smooth board, or a board made of perforated sheet metal or another openwork metal can be used.
  • the guide channels of the device must not necessarily limited by plate-shaped components, but can for example, also be formed by appropriately arranged guide rods.
  • the individual parts can be fed to the welding station manually, semi-automatically or automatically.
  • the guide receptacle of the first embodiment also the device can be equipped with a magnet.
  • the feed the stiffening rods in the first embodiment can also be a slide or analogous to the second embodiment over a temporal conveyor line, if necessary. from the supply roll and via a cutting device.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wire Processing (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
EP20010105512 2000-03-09 2001-03-05 Matériel de coffrage Expired - Lifetime EP1132545B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10011519 2000-03-09
DE10011519 2000-03-09
DE10037193 2000-07-31
DE10037193A DE10037193C2 (de) 2000-03-09 2000-07-31 Schalungsmaterial

Publications (3)

Publication Number Publication Date
EP1132545A2 true EP1132545A2 (fr) 2001-09-12
EP1132545A3 EP1132545A3 (fr) 2003-07-23
EP1132545B1 EP1132545B1 (fr) 2008-12-31

Family

ID=26004769

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010105512 Expired - Lifetime EP1132545B1 (fr) 2000-03-09 2001-03-05 Matériel de coffrage

Country Status (1)

Country Link
EP (1) EP1132545B1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2413339A (en) * 2004-04-22 2005-10-26 Tony Killarney Lost shuttering having walls of expanded metal mesh
DE202010005218U1 (de) 2010-04-16 2010-06-24 Peca-Verbundtechnik Gmbh Schalungssystem
DE202009004804U1 (de) 2009-05-12 2010-10-14 Peca-Verbundtechnik Gmbh Schalungssystem
DE202009014872U1 (de) 2009-12-16 2011-04-28 Peca - Verbundtechnik Gmbh Fugenschalungselement
DE102020109530B3 (de) * 2020-04-06 2021-05-27 Max Frank GmbH & Co. Kommanditgesellschaft Schalungssystem
DE102020109531B3 (de) 2020-04-06 2021-07-29 Max Frank GmbH & Co. Kommanditgesellschaft Schalungssystem

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0507054A1 (fr) 1991-04-05 1992-10-07 Peca-Verbundtechnik Gmbh Elément de coffrage
EP0513740A1 (fr) 1991-05-16 1992-11-19 Willibald Fischer Coffrage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9111725U1 (fr) * 1991-09-19 1993-01-28 Fischer, Willibald, 8312 Dingolfing, De
DE4442639A1 (de) * 1994-11-30 1996-06-13 Peca Verbundtechnik Schalungselement

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0507054A1 (fr) 1991-04-05 1992-10-07 Peca-Verbundtechnik Gmbh Elément de coffrage
EP0513740A1 (fr) 1991-05-16 1992-11-19 Willibald Fischer Coffrage

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2413339A (en) * 2004-04-22 2005-10-26 Tony Killarney Lost shuttering having walls of expanded metal mesh
DE202009004804U1 (de) 2009-05-12 2010-10-14 Peca-Verbundtechnik Gmbh Schalungssystem
EP2253779A2 (fr) 2009-05-12 2010-11-24 Peca Verbundtechnik GmbH Système de coffrage
DE202009014872U1 (de) 2009-12-16 2011-04-28 Peca - Verbundtechnik Gmbh Fugenschalungselement
EP2336446A2 (fr) 2009-12-16 2011-06-22 Peca Verbundtechnik GmbH Elément de coffrage articulé pour joints
DE202010005218U1 (de) 2010-04-16 2010-06-24 Peca-Verbundtechnik Gmbh Schalungssystem
EP2378030A2 (fr) 2010-04-16 2011-10-19 Peca Verbundtechnik GmbH Système de coffrage
DE102020109530B3 (de) * 2020-04-06 2021-05-27 Max Frank GmbH & Co. Kommanditgesellschaft Schalungssystem
DE102020109531B3 (de) 2020-04-06 2021-07-29 Max Frank GmbH & Co. Kommanditgesellschaft Schalungssystem
EP3892789A1 (fr) 2020-04-06 2021-10-13 Max Frank GmbH & Co. KG Système de coffrage

Also Published As

Publication number Publication date
EP1132545A3 (fr) 2003-07-23
EP1132545B1 (fr) 2008-12-31

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