EP1698745A2 - Système d'éléments de structure portante d'ossature tridimensionnelle - Google Patents

Système d'éléments de structure portante d'ossature tridimensionnelle Download PDF

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Publication number
EP1698745A2
EP1698745A2 EP06012580A EP06012580A EP1698745A2 EP 1698745 A2 EP1698745 A2 EP 1698745A2 EP 06012580 A EP06012580 A EP 06012580A EP 06012580 A EP06012580 A EP 06012580A EP 1698745 A2 EP1698745 A2 EP 1698745A2
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EP
European Patent Office
Prior art keywords
head
connection
wall
support structure
slot
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Withdrawn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
EP06012580A
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German (de)
English (en)
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EP1698745A3 (fr
Inventor
Erfindernennung liegt noch nicht vor Die
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Wilhelm Layher Verwaltungs GmbH
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Wilhelm Layher Verwaltungs GmbH
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Application filed by Wilhelm Layher Verwaltungs GmbH filed Critical Wilhelm Layher Verwaltungs GmbH
Publication of EP1698745A2 publication Critical patent/EP1698745A2/fr
Publication of EP1698745A3 publication Critical patent/EP1698745A3/fr
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    • 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
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
    • E04G7/302—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members
    • E04G7/306—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect
    • E04G7/307—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect with tying means for connecting the bars or members
    • 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
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/02—Connections between parts of the scaffold with separate coupling elements
    • E04G7/06—Stiff scaffolding clamps for connecting scaffold members of common shape
    • E04G7/22—Stiff scaffolding clamps for connecting scaffold members of common shape for scaffold members in end-to-side relation
    • 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
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
    • E04G7/32—Scaffolding bars or members with non-detachably fixed coupling elements with coupling elements using wedges

Definitions

  • the invention relates to a support structure element arrangement of a space structure, in particular a grandstand, a podium or scaffold, which is formed torsionally rigid with the aid of stems and at least one connection head having rod-shaped connecting elements.
  • connection heads For connection to vertical scaffolding posts, horizontal slides with through holes for wedges are known on them. About the discs are connected with rod elements connected connection heads. Taking into consideration the purpose and production malleable heads are used suitably, which are suitable for welding with steel pipes. There are various embodiments of such connection heads, for example according to DE-OS 39 34 857. Although such connection heads have proven extremely effective in practice, they seem to be improved in many respects.
  • connection head is the element in a framework that occurs most frequently or almost most often in rod scaffolds equipped with connection nodes. Because of this connection head all forces of the respective connecting element into the vertical bar and the other bars, it also has the utmost importance for the safety of the users. Production optimization and application optimization are demands on every technical component. To a connection head of a scaffold they are provided in particular.
  • a connector which consists of two profiled thin-walled half-shells.
  • Each half-shell has an insertion tab with a semicircular cross-section for insertion into a tubular element.
  • the half shells inserted into the tube element are each welded to the tube element over its circumference.
  • This two-part connector is completely unsuitable for the construction of high static and / or dynamic stresses exposed space structures also in safety aspects.
  • connection heads of fasteners under several conditions in terms of material costs, weight, production times, production costs and operating expenses even with different loads and in terms of occurring in space structures stress conditions, Force and torque transmission ratios and supporting functions of fasteners for the vast majority of purposes to make cheaper than previous connection heads of fasteners, in particular the limited outer surfaces material volume of the connection head so in the outer edge regions to arrange that the connecting element formed with the connection head manufacturing technology, load and weight is designed to be more advantageous.
  • Support structure element arrangement of a space structure in particular a grandstand, a podium or scaffolding, which is formed torsionally rigid with the aid of stems and at least one connection head rod-shaped connecting elements, wherein the connection head with a connection part and a plant part with contact surfaces having plant -Wand parts to rest on the stems, and in which the existing of malleable cast-iron connection head is limited in the circumferential direction with side wall parts and up and down with wall parts, the forces transmitting material areas Nutzippo are designed to be free and the side wall parts with vertical Outside surfaces are formed, which include an eighth part of a full circle engaging wedge angle, and the connection head has an upper head part and a lower head part, which are integrally connected to each other and between which reaching to the connecting part, the A nlageseite and the vertical outer surfaces open slot for attachment to a on the rod-shaped framework element, in particular a stem mounted perforated disc is formed and formed in the upper head part, an upper wedge opening and the lower head part
  • the imaginary surface between the connection part and the abutment part is formed with a vertical plane contacting the slot surfaces.
  • connection part has a stop surface for abutment of the fixedly connectable to it rod-shaped connecting element and preferably by the ratio of the limited with the outer wall surfaces including the stop surface volume and the mass of the terminal head limited volume and the mass of the connection head is at least 1.2 times, preferably 1.3 to 2.0 times the specific volume of the connection head consisting of solid material.
  • connection head can have substantially equal wall thicknesses extending from the vertical outer surfaces to the horizontal and / or the oblique outer surfaces under all surface regions, with the exception of transition regions in the corners extending inwards. This allows the creation of connecting elements with a connection head with further improved structural design with regard to secure transmission of high forces and moments.
  • the frame 20 of FIG. 1 forms a space frame with vertical stems 21, horizontal bars 22, diagonal bars 23, horizontal support bars 24 and scaffolding floors 25, which are mounted by means of hooking means, in particular suspension claws 26 on the horizontal support bars 24.
  • the stems 21 are based on height-adjustable feet 27 on the ground.
  • the stems 21 can also be short-rod elements of consoles, Lattice girders or other space frame elements.
  • connecting elements in the form of perforated discs 30 on the stems 21 by means of welds 33 are attached.
  • Such perforated disks 30 may be equipped with the illustrated, but also with differently shaped holes and additional auxiliary equipment. In this preferred embodiment, different sized holes 31 are formed.
  • Scaffolding elements or connecting elements 35 such as e.g. the horizontal bars 22 and the horizontal support bars 24, are to be connected to the smaller holes 31.1.
  • Diagonally connectable fasteners 35 such as e.g. the diagonal bars 23, are to be connected to the larger holes 31.2.
  • the connecting elements 35 are mainly horizontal bars 22, horizontal support bar 24 and diagonal bars 23. These may have different lengths depending on their purpose. Horizontal bars 22 may also be used as railing 37 as shown in FIG.
  • the connecting elements 35 are formed with cylindrical tubes 38, also referred to as elongated rod parts or scaffolding tubes, which are welded to the connection heads 40.
  • cylindrical tubes 38 also referred to as elongated rod parts or scaffolding tubes, which are welded to the connection heads 40.
  • the circular cylindrical tubes 38 instead of the circular cylindrical tubes 38 but also differently shaped support elements can be used.
  • the connecting heads 40 are placed over the horizontally arranged perforated discs 30 and fixed there by means of the wedges 41, which are guided by corresponding wedge openings 137, 152 and the holes 31 of the perforated discs 30.
  • the wedges 41 have in the lower end as a captive piercing pin or rivet 42.
  • a side recess 43 is designed so that you can put the wedge 41 in the raised position parallel to the tube 38.
  • Each terminal head 40 has an abutment portion 80 having an upper head portion 44 and a lower head portion 45 and an annular shaped terminal portion 50.
  • the terminal head 40 is symmetrical about the stem axis 53 and the tube axis 54 containing vertical plane of symmetry 55th (Fig. 7) formed.
  • the upper head portion 44 has the height 56 and has - as in FIGS. 4 and 5 most clearly numbered - the upper side wall portions 46.1, 46.2, the upper wall portion 48 and the upper abutment wall portion 51.
  • the lower head portion 45 is formed with the lower side wall portions 47.1, 47.2, the lower wall portion 49 and the lower abutment wall portion 52 and has the height 57, which corresponds to the height 56 here.
  • Each terminal head 40 has a height 58 (FIG.
  • the slot 60 is arranged, which serves to receive the perforated disc 30 through which the connection head 40 is inserted for attachment of the connecting elements 35 connected to it.
  • the slot 60 formed in a rectangular plane in a plane parallel to the vertical plane of symmetry 55 is delimited by the upper slot surfaces 61.1, 61.2 and the lower slot surfaces 62.1, 62.2. These each run parallel to one another and are formed parallel to the tube axis 54 and normal to the vertical plane of symmetry 55.
  • For connection part 50 out of the slot 60 is limited by the vertical slot surfaces 63.1, 63.2, which are also parallel to each other in a common plane and each perpendicular to the upper and lower slot surfaces 61, 62 are formed.
  • transitions between the horizontal, upper slot surfaces 61, 62 and the vertical slot surfaces 63 are each rounded with the radius 64, the Here, about 36% of the wall thickness 82 of the upper and the lower side wall portions 46 and 47 in the region of the slot 60 is.
  • the slot width 68 is slightly larger than the thickness 69 of the perforated disc 30. This measure is particularly true for the tube 38 lying towards the bottom of the slot 60. It can also be provided that the slot width 68 widens towards the insertion point to the insertion and to improve alignment.
  • the upper and lower side wall portions 46, 47 are designed tapering substantially wedge-like on the stem and pulley center 71. They each have the upper vertical outer surfaces 72.1, 72.2, the lower vertical outer surfaces 73.1, 73. 2 and each formed in the outer contour of triangular upper transition surfaces 74.1, 74.2 and lower transition surfaces 76.1, 76.2.
  • the upper and lower vertical outer surfaces 72 and 73 associated with the side wall parts 46 and 47 are each located in a common plane 77.1, 77.2 containing the stem axis 53 and are at the wedge angle 79 about the stem and disk center 71 with respect to one another arranged offset (Fig. 7).
  • the wedge angle 79 is exactly 45 °, so that up to eight connection heads 40 can be mounted on a perforated disc 30. However, for this purpose, the wedge angle 79 may also be less than 45 °.
  • the upper vertical outer surfaces 72.1, 72.2 and the lower vertical outer surfaces 73.1, 73.2 of the upper side wall parts 46.1, 46.2 and the lower side wall parts 47.1, 47.2 each have the slightly recessed wall surface regions 230.1, 230.2 and 231.1, 231.2.
  • Their transitional contours to the vertical outer surfaces 72.1, 72.2; 73.1, 73.2 point to the outer contours or the outer boundary surfaces of the vertical outer surfaces 72.1, 72.2; 73.1, 73.2 each have a distance 232 which corresponds approximately to the wall thickness 83 of the side wall parts 46 or 47 in the region of the slot 60.
  • the wall surface areas 230.1, 230.2; 231.1, 231.2 are parallel to the associated vertical outer surfaces 72.1, 72.2; 73.1, 73.2 formed and these opposite sunk by a depth to the inside, which corresponds to about 14% of the wall thickness 83 of the side wall portions 46 and 47 in the region of the slot 60.
  • the recessed wall surface areas 230.1, 230.2; 231.1, 231.2 form handle grips favorable for handling and facilitate the position fixing and gripping of the connection heads 40 during production.
  • the upper side wall parts 46.1, 46.2 and the lower side wall parts 47.1, 47.2 are offset in the region of their upper vertical outer surfaces 72.1, 72.2 and lower vertical outer surfaces 73.1, 73.2 with substantially parallel to these inwards extending upper inner wall surfaces 81.1, 81.2 and lower inner wall surfaces 82.1, 82.2 designed and have the wall thickness 83, which here about 20 to 30% of the outer handle radius 87 and / or 1.5 to 3 times the wall thickness 32 of the stem 21.
  • the abutment wall parts 51, 52 have the upper and lower, concavely arched upper and lower abutment surfaces 84, 85 arranged in alignment with one another.
  • the outer radius 86 of the contact surfaces 84, 85 corresponds to the handle outer radius 87.
  • the upper and lower bearing surface 84, 85 are each designed rectangular in the outer contour, advantageously both contact surfaces 84, 85 equal or about the same size and symmetrical to the parallel to the slot surfaces 61, 62 at the level of half the slot width 68th extending horizontal plane 90 are designed.
  • the contact surfaces 84, 85 therefore both have the same width 91 and the same height 92.1 or 92.2.
  • the arc length 93 of the contact surfaces 84, 85 is just so large in each of the connection heads 40, 40.1, 40.2 chosen so that it corresponds to the product of the stem outer radius 87 and the wedge angle 79 in radians, taking into account the radii 181.
  • a maximum width 91 of the contact surfaces 84, 85 given, so that the surface pressure between the connection head 40 and stem 21 is further minimized and also occurring on the connection head 40 side or torsional forces by positive support of the connection head 40 on the stem 21 safely transferred to this become.
  • connecting heads 40 are mutually optimally supported on their mutually facing vertical outer surfaces 72, 73, so that the occurring at the connection head 40 side or torsional forces collected by the forming structure composite in addition to a large area or on the Stem 21 are transferred.
  • the upper and lower abutment wall portions 51, 52 each have a rectangular opening 94, 95, which is bounded by the upper and the lower abutment surface 84, 85 and which have a width 107 and a height 108.
  • the abutment wall parts 51, 52 have the inner vertical wedge abutment surfaces 96.1, 96.2, 96.3, 96.4, which are arranged in a common plane 97 extending parallel to the abutment surfaces 84, 85.
  • the abutment wall parts 51, 52 are each formed with the insertion wall parts 100, 101, which have the inclined by the angle 102, 103 to the slot 60 outwardly flat inclined surfaces 104, 105, wherein in the present embodiment, the angle 102, 103 equal are large and each slightly larger than the eighth part of a full circle.
  • the thus formed recess 106 allows easy insertion of the connection head 40 on the perforated disc 30 and a secure contact of the contact surfaces 84, 85 on the stem 21st
  • the upper and lower side wall portions 46, 47 merge in the region of the vertical slot surface 63 in the terminal part 50 and are there to form the parallel to the vertical plane of symmetry 55 ( Figure 5) extending circle segment surface 111 is cut.
  • the circular segment 111 delimiting sheet 112 and the vertical slot surface 63 containing vertical extending tendon 113 intersect at the upper intersection 114 and the lower intersection 115.
  • the hypotenuse 117 of the triangular upper transition surface 74 of the upper side wall portion 46 extends obliquely upward from the upper intersection 114 up to the upper abutment side corner 118 of the terminal head 40
  • the shorter catheter 119 of the upper transition surface 74 is formed by the transition edge 121 at the transition to the upper, parallel to the horizontal slit surfaces 61, 62 extending upper horizontal wall portion 122 of the upper wall portion 48, wherein the length 123 of the transition edge 121 about the height 92.1 of the upper contact surface 84 corresponds.
  • the longer catheter 124 of the upper transition surface 74 is formed by the transition edge 126 to the part-spherical upper transition wall portion 127 of the upper wall portion 48.
  • the lower triangular transition surface 76 (FIG. 4) is limited to the lower abutment surface 85 by its hypotenuse 131. Starting at the lower intersection point 115, this extends obliquely downwards at the front to the lower wall part 49 and intersects it at the intersection 132. It has a distance 133 from the lower abutment surface 85 which corresponds to the distance 136 (FIG. 10) of the abutment-side vertical wedge. Stop surface 96.4 of the lower wedge opening 137 of the lower abutment surface 85 corresponds.
  • the shorter catheter 138 of the lower transition surface 76 extends from the upper point of intersection 115 obliquely downward forward to the intersection 139 or the intersection of the lower wall portion 49 with the part-spherical lower transition wall portion 141.
  • the longer catheter 142 of the lower transition surface 76 is formed with the lower transition edge 143 at the transition to the horizontal, parallel to the slot surfaces 61, 62 extending sub-wall portion 49.
  • the upper wall portion 48 is on the plant side with the upper horizontal wall portion 122 (Fig. 5 above) and the connection part 50 toward the part-spherical upper transition wall portion 127 formed.
  • the upper horizontal wall portion 122 and the transition wall portion 127 have the outer surfaces 146 and 147 and the inner surfaces 148 and 149 (FIG. 10) extending parallel thereto.
  • the upper horizontal wall portion 122 and the transition wall portion 127 have substantially a thickness 150 which is about half as large as the wall thickness 83 of the side wall portions 46, 47 in the region of the slot 60. In the region of the upper abutment wall portion 51, the wall thickness 151 is slightly larger and is about 65% of the wall thickness 83 of the side wall parts 46, 47.
  • the upper rectangular wedge opening 152 is provided, which is designed symmetrically to the vertical plane of symmetry 55 (Fig. 7). It is formed with the vertical wedge abutment surface 96.1 and has a distance 153 of the parallel wedge support surfaces 154, 155 corresponding width 156 (FIG. 9). This is slightly larger than the wedge thickness 157, so that the wedge 41 unhindered but supported is feasible.
  • the vertical wedge abutment surface 96.1 of the upper wedge opening 152 is normal to the vertical plane of symmetry 55 and normal to the horizontal plane 90 (FIG. 9) and has a distance 158 (FIG. 10) from the upper abutment surface 84 is equal to the distance 136 of the lower wedge-stop surface 96.4 of the lower abutment surface 85th
  • the upper transition wall portion 127 and the lower transition wall portion 141 are also rearwardly of the tube axis 54 in view of good accessibility of the weld region 159 of the annular bead 160 ( Figure 8) of the port portion 50 Beveled and designed partially spherical.
  • the part-spherical design of the upper transition wall portion 127 also means the advantage that granular substances, for example sand, do not remain on the surface 161 of the assembled connection head 40. This avoids the risk of jamming or surface damage of the abutment surfaces 84, 85 and the stem outer surface 162 (FIG. 3). Furthermore, this contamination of freshly painted or directed walls is avoided.
  • the lower wall part 49 (FIG. 4) is formed with the lower horizontal wall part 171 (FIG. 10) extending parallel to the slit surfaces 61, 62 and the lower transition wall part 141.
  • the lower wedge opening 137 (FIGS. 9 and 10) is provided, which has a substantially rectangular shape. It has the length 173 and the width 174. Their hole edges are on both sides of the lower wedge-abutment surface 96.4 towards, chamfered towards the vertical plane of symmetry 55 with the inclined surfaces 186.1, 186.2 chamfered to support a centering of the wedge 41.
  • the lower wedge opening 137 of the connecting head 40 has a the insertion of the lower, the rivet 42 having the end 36 of the wedge 41 and a plugging in the upper end-turn 70 of the wedge 41 arranged underneath, not shown in the figures terminal head enabling hole edge design.
  • This allows easy handling and secure stacking of the connection heads of fasteners even during transport.
  • the advantageous design in particular the upper outer surfaces including the upper horizontal wall portion 122 and the lower horizontal wall portion 171 at.
  • the lower horizontal wall part 171 and the transition wall part 141 of the lower wall part 49 have the outer surfaces 176, 177 and the inner surfaces 178, 179 parallel thereto. This corresponds to the wall thickness of the upper wall portion 48 and is here also about half as large as the wall thickness 83 of the side wall portions 46, 47. In the region of the lower abutment wall portion 52, the wall thickness 184 (FIG. 10) is slightly larger and is about 65% of the wall thickness 83 of the side wall parts 46, 47.
  • All transitions between the side wall portions 46, 47 and the upper and lower abutment wall portions 51, 52 and between them and the top and bottom wall portion 48, 49 and between the side wall portions 46, 47 and the part-spherical transition wall portions 127, 141 are each rounded with the radius 181, which here is about 30% of the wall thickness 83 of the side wall portions 46, 47.
  • the upper and lower transition wall portions 127 and 141 pass in the regions of the rear tube-side opening edges 182, 183 of the upper and lower wedge openings 152 and 137, respectively, and the side wall portions 46, 47 pass in the areas of the vertical slit surfaces 63.1, 63.2 in the annular bead 160 of the connection part 50 via.
  • the straight opening edges 246.1, 246.2, 246.3, 246.4 here are assigned to the inwardly facing surfaces of Zentrierlappen 197.1, 197.2, 197.3, 197.4, while the partially circular segment-shaped opening edges 252.1, 252.2, 252.3, 252.4 each in the circumferential direction between the Zentrierlappen 197.1 , 197.2, 197.3, 197.4 lying areas of the annular bead 160 are assigned.
  • connection part 50 has, at its tube-side end 194, the beveled annular surface 195 which is beveled towards the tube axis 54.
  • the inclined annular surface 195 is bounded by the annular vertical abutment surface 196, which is normal to the horizontal plane 90 and normal to the vertical plane of symmetry 55.
  • the annular bead 160 is in the region between the circular segment surface 111, the upper and lower outer surfaces 147 and 144 of the transition wall portions 127 and 141 and the inclined annular surface 195 with the part-circular segment-shaped outer surfaces 134 and 140 of the rear transition wall parts 128th and 129 ( Figures 4 and 6).
  • the inclined annular surface 195 has the width 211, the outer diameter 198 and the inner diameter 199 (FIG. 4), which is slightly smaller than the tube outer diameter 39 of the tube 38 and serves to accommodate the V-seam design weld metal.
  • the annular bead 160 For centering of the tube 38, the annular bead 160, the four each offset by an angle of 90 ° to each other Zentrierlappen 197.1, 197.2, 197.3, 197.4.
  • Their substantially cylindrically curved outer surfaces 222.1, 222.2, 222.3, 222.4 lie on a circle with the diameter 223. This corresponds to the inner diameter 224 of the tube 38, so that the connecting head 40 inserted with its centering tabs 197 centered in the tube 38 and subsequently with this can be welded.
  • the connecting head 40 has inside the wedge receiving space 200 (FIG. 6), which is also referred to as the usable space, and which is designed in a sectional plane running parallel to the horizontal plane 90 in the shape of an isosceles trapezium (FIG.
  • the trapezoidal base 201 is formed on the tube side by the normal to the vertical plane of symmetry 55 and normal to the horizontal plane 90 extending inner surfaces 202 of the connection part 50.
  • the Trapezecken 206, 207, 208, 209 are designed rounded to allow a low-tension power transmission.
  • the inwardly projecting support web 214 which projects through the wedge receiving space 200 parallel to the slot surfaces 61, 62, is formed. Its cross-section 216 is also shown in FIG. 10.
  • the projecting into the wedge receiving space 200 support web part 217 is formed wing-shaped with an upper inclination angle 218. This corresponds to the wedge angle 110 between the front stop edge 98 and the lower abutment edge 109 of the wedge 41, which limits the recess 43 to the impact end 70 back.
  • the wedge 41 in the pulled-out state be placed on the interior boundary surface 226 of the support bar 214 to save space and transport.
  • the tip 219 located in the wedge receiving space 200 has a distance 221 from the upper vertical wedge stop face 96.1.
  • the support bar 214 serves on the one hand as a support for the wedge 41 when the connection head 40 is disassembled, and on the other hand for integral structural reinforcement with structurally favorable design of the connection head 40th
  • connection heads 40, 340, 440 are designed in such a way that they have an increased specific volume compared to the previously known connection heads. This characteristic value is used in particular in the lightweight construction technique and is determined by the ratio of the volume and the mass of a shaped body. The larger the specific volume, the lower the mass for the same volume or the larger the volume for the same mass. In the above-mentioned connection heads 40, 340, 440 an increase in the specific volume is achieved in that the mass of the connection heads 40, 340, 440 is concentrated substantially in the edge regions of the connection heads, so that with respect to the transmission, in particular of bending and torsional forces structurally low designed connection head with simple production and low weight is possible.
  • the volume of the connecting heads 40, 340, 440 is thereby essentially by the outer wall surfaces, in particular the abutment surfaces 84, 85 of the abutment wall portions 51, 52, the slot 60, 360, 460 limiting slot surfaces 61, 62, 63 and the Wedge angle 79 enclosing vertical outer surfaces 72, 73 of the plant part 80, 380, 480 limited.
  • the volume of the installation part 80, 380, 480 is further limited by an imaginary transition area or an inner area imaginary surface between the plant part 80, 380, 480 and the terminal part 50 of the connecting head 40.
  • This transition region is expediently a vertical vertical plane 240 touching the vertical slit surfaces 63.1, 63.2 (FIG. 10).
  • connection heads 40, 340 in addition to the specific volume of the contact part 80, 30 and the specific volume of the connection part 50, 350 are increased, so that the specific volume of the entire connection head 40, 340 by the ratio of the outer Wall surfaces including the stop surface of limited volume and the mass of the connection head is formed and at least 1.2 times the specific volume of the solid material connection head.
  • Fig. 12 shows the connection head 340, which is connectable with the cross-sectionally U-shaped profile horizontal support bar 24. It is formed with the terminal part 350 and the abutment part 380, which has the upper head part 344 and the lower head part 345 and the horizontal slot 360.
  • the plant part 380 is the same as the connecting head 40 for connecting the pipe 38 with the exception of transition areas at the transition to the advantageous in terms of the U-shaped support bar connection part 350.
  • connection part 350 is formed with the U-profile 353 open at the top with the legs 354.1, 354.2, 354.3 extending in the direction of the longitudinal axis of the horizontal support bar 24, also referred to as a U-shaped connecting element.
  • the upwardly open U-profile 353 of the connection part 350 allows good accessibility of the weld at low weight of the connection head 40.
  • ends of the legs 354.1, 354.2, 354.3 of the circumferential centering collar 390 is arranged. Whose outer surfaces are formed such that the horizontal support bar 24 can come with its wall parts at a small distance fitting to the outer surfaces to the plant.
  • the two lateral limbs 354.1 and 354.2 then point to the centering collar 390, which likewise extends in the direction of the longitudinal axis of the horizontal support bar 24 and its longitudinal wall parts extending centering tabs 397.1 and 397.2.
  • Their outer surfaces 398.1 and 398.2 have a distance corresponding to the distance of the side wall portions or the side legs of the horizontal support bar 24, so that an easy assembly in the production is possible.
  • Fig. 13 designed with a hinge part connecting head 440 is shown for pivotally connecting a diagonal bar 23.
  • the terminal head 440 has the terminal part 450 and the abutment part 480 formed with the upper head part 444, the lower head part 445 and the horizontal slot 460.
  • the installation part 480 with the exception of transition areas at the transition to the part of the joint advantageously designed with respect to the part 450 designed to be the same as the connection head 40 for connecting the pipe 38th
  • the terminal part 450 is formed with the vertical wall part 485 and the hinge tab 490.
  • the joint flap 490 with respect to the axis of the shaft 453 facing center line 455 of the connecting head 440 forms the angle 475, which is 135 ° here.
  • the hinge flap 490 has in its disk-shaped vertical end portions of the parallel outer surfaces 491 and 492.
  • the joint pocket 490 is designed with the radius 497.
  • Concentric with the radius 497, the bore 495 is provided. Its longitudinal axis is normal to the outer surfaces 491, 492 and serves to receive a connectable to the diagonal bar 27 cylindrical bearing and coupling element.
  • the distance between the bore 495 of the vertical wall portion 485 and its outer contour are designed coordinated so that the diagonal bar 23 is pivotable starting from a central position to both sides by exactly 90 ° to the slot plane.
  • connection heads 40, 340, 440 with the part-spherical, bevelled and rounded wall parts avoids undesirable tilting of the stacked in a transport box connection heads 40, 340, 440. This allows increased positional and transport safety by separating the connection heads 40, 340, 440 and easy removal of the stacked connection heads 40, 340, 440.
  • the patent application deals with a group of inventions which are interconnected in such a way that they realize a single general inventive concept consisting in respecting the connection heads of connecting elements under several conditions on material costs, weight, production times, production costs and operating expenses even with different loads and with regard to the load conditions, force and torque transfer conditions occurring in space structures As well as supporting functions of fasteners for the vast majority of purposes to make cheaper than previous connection heads of fasteners.
  • the first part of the invention group is based essentially on the task of finding an improved wall or partial wall design of the utility rooms having connecting head.
  • Plant wall parts 51, 52 is designed to rest on the stems 21, and wherein the existing of malleable material connecting head 40 in the circumferential direction with side wall portions 46, 47 and up and down with wall parts 122, 127, 128, 171, 141, 129 is limited, the forces transmitting material areas Nutzsammlung are designed to be free and the side wall portions 46, 47 are formed with vertical outer surfaces 72.1, 72.2, 73.1, 73.2, which include the eighth part of a full circle engaging wedge angle 79 , and the terminal head 40 has an upper head portion 44 and a lower head portion 45, between which a up to the connecting part 52 reaching, to the contact side and the
  • stems 21 a stem outer radius 87 and a wall thickness 32 having round tubes Steel are.
  • connecting members designed in this way, the advantageous construction of an entire framework is possible.
  • the vertical outer surfaces 72, 73 and the associated inner wall surfaces 81, 82 of the upper and preferably also the lower side wall portions 46,47 in the vicinity of the slots 60 substantially parallel to a wall thickness 83rd in the range of about 20 to 30% of the outer handle radius 87 and / or in the range of 1.5 to 3 times the wall thickness 32 of the handle 21 are designed.
  • the distances 65 and 75 of the upper end 67 of the upper abutment surface 84 and the lower end 88 of the lower abutment surface 85 of the slot 60 in height of half the slot width 68 intersecting horizontal plane 90 are equal, wherein preferably the upper abutment surface 84 and the lower abutment surface 85 are equal.
  • the contact surfaces 84, 85 each have an arc length 93, the product of the stem outer radius 87 and the Wedge angle 79 in radians corresponds. As a result, a minimum surface pressure between the contact surfaces of the connection head and the framework stem is achieved.
  • contact surfaces 84, 85 are designed in relation to the handle outer diameter 87 and the wall thickness 32 of the handle 21 adapted.
  • the support web 214 has a substantially planar, at an angle 218 inclined interior boundary surface 226, wherein the angle 218 preferably corresponds to the wedge angle 110 between the front stop edge 98 and the rear abutment edge 109 of the wedge 41. This allows the space-saving storage of the wedge on the wedge head for convenient storage and transport of fasteners.
  • the oblique upper and lower wall portions adjacent to the wedge openings at about the same wall thickness in the upper and lower head portion 44, 45 bearing the fact that the width of the upper wedge opening 152 only the wedge thickness 157 plus movement and the width of the lower wedge opening 137 corresponds to at least the thickness of a mounted in the region of the lower end 36 of the wedge 41 captive, are designed differently.
  • the vertical side wall portions 46, 47 relative to the vertical outer surfaces 72, 73 have slightly recessed wall surface portions 230, 231, which preferably have transitional contours to the vertical outer surfaces 72, 73, to the outer contours the vertical outer surfaces 72, 73 have a distance 232 which corresponds approximately to the wall thickness 83 of the vertical side wall portions 46, 47.
  • connection head 40 symmetrical to a the stem and pulley center 71 and the bisector of the wedge angle 79 containing vertical plane of symmetry 55 is formed. As a result, a tilting or rotary or torsional stresses is created safely and uniformly transmitting connection head of a connecting element with favorable material utilization.
  • the essential part of the upper outer surfaces 74.1, 74.2, 147.1, 147.2, 134.1, 134.2 are designed bevelled in the direction of outer edges of the connection head 40. This avoids the formation of interfering deposits on the surface of the connection head.
  • At least one of the abutment wall portions 51, 52 is formed with an inclined surface 104, 105 having insertion wall portion 100, 101, wherein the inclined surface 104, 105 to the horizontal slot surfaces 61, 62 and the slot 106 around a Angle 102, 103 is formed inclined.
  • each of the abutment wall parts 51, 52 is formed with inclined inclined surfaces 104, 105 having insertion wall parts 100, 101, wherein at least one of the angles 102, 103 is greater than the eighth part of a full circle.
  • the two angles 102, 103 are the same size.
  • the vertical outer surfaces (72, 73) and the associated inner wall surfaces (81, 82) of the upper and preferably also of the lower side wall portions (46, 47) in the vicinity of the slots (60, 360, 460) are designed substantially parallel to a wall thickness (83).
  • the rod element is tubular, in particular with an outer diameter, an inner diameter and a wall thickness having tube is formed. This makes it possible for connection heads of connecting elements designed with tubular bar or profile elements to have an improved wall or partial wall configuration of the service compartment having connection head.
  • the stems (21) are round tubes made of steel, with a stem outer radius (87) and a wall thickness (32) and wherein the wall thickness (83) of the side wall parts (46, 47) in the range of about 20 to 30% of the outer handle radius (87) and / or in the range of 1.5 to 3 times the wall thickness (32) of the stem (21) is designed.
  • the wall thickness (83) in the range of 2.5 to 4 times the wall thickness of the connected to the connection head (40, 340) bar element and / or in the range of about 10 to 16% of the outer diameter (39 ) of the tube (38) is designed.
  • the rod element is tubular, in particular with an outer diameter (39), an inner diameter (89) and a wall thickness (29) having tube (38) is formed.
  • connection part (50) can have an opening (245) which is connected to the wedge accommodation space (200) and whose opening edges (246, 251) span an opening diameter (250, 252) which is at least 60 % is preferably 65 to 85% of the inner diameter (89) of the tube (38). This makes it even easier and in terms of manufacturing and transmission of forces and moments as well as the connection conditions Of tubular connecting elements structurally low designed connection head possible.
  • the rod element is formed with an upwardly open profile, in particular a U-profile.
  • connection part (50, 350) has a stop surface (196, 396) configured to fit the rod element, adapted to the joining and stress conditions and the rod element.
  • connection part (50, 350) in the region of the abutment surface (196, 396) has a thickness (193) which is approximately the wall thickness (29) of the rod element and preferably approximately the average wall thickness of the connection head (40 ) corresponds. This allows a simple and secure welding of the two scaffolding elements.
  • connection part (450) has a joint part, which is pivotally connected to the rod element, in particular a diagonal rod (23).
  • the joint part is formed with a hinge lug (490) at an angle (475) of 135 ° to a shaft (353) facing center line (455) of the connection head (440).
  • a hinge lug (490) at an angle (475) of 135 ° to a shaft (353) facing center line (455) of the connection head (440).
  • the distances (65 and 75) of the upper end (67) of the upper bearing surface (84) and the lower end (88) of the lower abutment surface (85) of the slot (60) in the amount of Half of the slot width (68) intersecting horizontal plane (90) are equal, preferably the upper abutment surface (84) and the lower abutment surface (85) are the same size.
  • the second part of the invention group is based essentially on the object to arrange the outer surfaces limited material volume of the connection head in the outer edge regions, that the connecting element formed with the connection head manufacturing technology, load and weight is designed to be more advantageous.
  • connection head 40, 340, 440 a with the contact surfaces 84, 85 of the system wall parts 51, 52, with the slot 60, 360, 460 limiting slot surfaces 61, 62, 63 and the d having wedge angle 79 enclosing vertical outer surfaces 72, 73 formed outer wall surfaces of limited volume, characterized in that by the ratio of with the outer wall surfaces and with an inner imaginary surface between terminal part 50, 350, 450 and plant part 80, 380, 480 limited volume and the mass of the plant part 80, 380, 480 of the connecting head 40th , 340, 440 formed specific volume of the connecting head 40, 340, 440 at least 1.2 times, preferably 1.3 to 2.0 times the specific volume of the existing solid material plant part of the connection head.
  • connection part 50, 350, 450 and the abutment part 80, 280, 480 with a slot surfaces 63.1, 63.2 contacting vertical plane 240 is formed.
  • connection part 50, 350 has a stop surface 196, 396 for conditioning the firmly connectable with him rod-shaped connecting element 35 and preferably by the ratio of the outer wall surfaces including the stop surface 196, 396 limited volume and the Mass of the connecting head 40, 340 formed specific volume of the connecting head 40, 340 is at least 1.2 times, preferably 1.3 to 2.0 times the specific volume of the solid material connection head. This allows the creation of fasteners of space structures with a connection head is designed to be cheaper in terms of occurring in space structures stress conditions, power and torque ratios and support functions of fasteners.
  • connection head 40, 340, 440 of the vertical outer surfaces 72.1, 72.2; 73.1, 73. 2, the horizontal and / or the oblique outer surfaces 146, 147; 176, 177 starting from below all surface areas except for transition areas in corners extending inwardly has substantially the same wall thicknesses. This allows the creation of connecting elements with a connection head with further improved structural design with regard to secure transmission of high forces and moments.
  • Another part of the invention group is based on the task of finding an improved wall or partial wall design of the utility rooms having connection head for connection heads of designed with tubular rod or profile elements connecting elements.
  • the vertical outer surfaces 72, 73 and the associated inner wall surfaces 81, 82 of the upper and preferably also the lower side wall portions 46,47 in the vicinity of the slots 60 substantially parallel to a wall thickness 83 in the range of about 10 to 16% of the outer diameter 39 of the tube 38 and / or in the range of 2.5 to 4 times the wall thickness 29 of the tube 38 are designed.
  • the connecting element is formed with scaffolding element parts which, in particular in scaffolding occurring static and dynamic stresses are designed to match each other in an advantageous manner.
  • connection part 50 in the region of the stop surface 196 has a thickness 193 which corresponds approximately to the wall thickness 29 of the tube 38, wherein preferably the thickness 193 corresponds approximately to the average wall thickness of the connection head 40. It is further provided that the ratio of the average wall thickness of the connecting head 40 and the wall thickness 29 of the tube 38 and the fixed to the terminal part 50 of the connecting head 40 rod member is designed adapted in terms of a good and secure welding of the two scaffolding elements.
  • connection part 50 is designed with centering lugs 197.1, 197.2, 197.3, 197.4 which extend outward beyond the abutment surface 196, whose outer surfaces 222.1, 222.2, 222.3, 222.4 span a diameter 223 which is slightly smaller than the one Inner diameter 89 of the tube 38, wherein preferably four each offset in a circumferential angle of 90 ° to each other arranged Zentrierlappen 197.1, 197.2, 197.3, 197.4 are provided. This allows for easy and precise fitting of the rod to be firmly connected to the connection head.
  • connection part 50 has an opening 245 communicating with the wedge-receiving space 200, whose opening edges 246, 251 span an opening diameter 247, 252 of at least 60%, preferably 65 to 85% of the inner diameter 89 of the tube 38 is.
  • connection head for connection heads of designed with suspension or support profiles connecting elements, such as horizontal support bar is another part of the invention group.
  • the vertical outer surfaces and the associated inner wall surfaces of the upper and preferably also the lower side wall portions in the vicinity of the slots 360 substantially parallel to a wall thickness in the range of about 2.5 to 4 times the Wall thickness of the terminal head 340 fixedly connected rod element are designed.
  • the connecting element is formed with scaffolding element parts, which are designed to be coordinated with one another in an advantageous manner with regard to the static and dynamic stresses occurring, in particular, in scaffolding.
  • connection heads is suitable, in particular, as a horizontal support bar for supporting scaffolding floors provided with claws.
  • connection part 350 of the connection head 340 is formed with an upwardly open U-profile 353. This facilitates assembly and allows better accessibility when welding the connection head with the profile rod element.
  • connection part 350 is designed with centering tabs 397.1, 397.2 extending outwardly beyond the stop surface 396, wherein preferably two horizontally spaced centering tabs 397.1, 397.2 are provided whose outer surfaces 398.1, 398.2 are at a distance from one another is slightly smaller than the distance between the opposite inner surfaces of the side legs of the U-shaped rod element.
  • connection part 350 is designed with a slightly over the abutment surface 396 rising circumferential centering collar 390.
  • Another part of the invention group is based on the problem to find for connecting heads of articulated connecting elements, such as diagonal bars, an improved wall or partial wall design of the utility rooms having connecting head.
  • the hinge part at an angle 475 of 135 ° to a stem axis 353 facing center line 455 of the connecting head 440 to arrange.
  • the joint part is formed with a hinge flap 490, which preferably in partial areas parallel outer surfaces 491, 492 and preferably has a bore 495 for receiving a connectable to the rod member cylindrical bearing and coupling element.
  • joint flap 490 is designed rounded at its end facing away from the connection part 450 end 496 with a radius 497. This avoids possibly disturbing corner areas and allows a further weight reduction.
  • the support structure element arrangement is formed with the connecting element (35), which has the wedge-shaped connection head (40.1, 40.2) with horizontal slot for attachment to a, on the stem (21) mounted perforated disc (30).
  • the connection head (40.1, 40.2) has wedge openings (152) for the wedge (41) which can be inserted through the latter and through the perforated disc (30).
  • the existing of malleable cast iron connection head (40.1, 40.2) has the plant part (80) and the connection part (50).
  • the plant part (80) has the plant surfaces (84) having plant-wall parts (51) for engagement with the stem (21).
  • connection head (40.1, 40.2) is limited in the circumferential direction with the, the vertical outer surfaces (72.1, 72.2) having side wall parts (46.1, 46.2) and up and down with other outer wall surfaces having wall portions whose forces transmitting material areas are formed with the release of utility rooms.
  • the connection part (50) is firmly connected to a rod element. This is in particular a tube (38), but it can also be provided a U-shaped bar or a hinged to the connection head (40.1, 40.2) connected diagonal bar.
  • the horizontal and / or oblique outer surfaces extend essentially in all wall thicknesses under all surface regions, with the exception of transitional regions in the corners.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Prostheses (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Springs (AREA)
  • Road Paving Structures (AREA)
  • Body Structure For Vehicles (AREA)
  • Cultivation Of Plants (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Manipulator (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Supports For Pipes And Cables (AREA)
  • Supports For Plants (AREA)
EP06012580A 1998-02-14 1999-02-11 Système d'éléments de structure portante d'ossature tridimensionnelle Withdrawn EP1698745A3 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19806094A DE19806094A1 (de) 1998-02-14 1998-02-14 Anordnung von Tragstruktur-Elementen eines Raumtragwerkes
EP04013072A EP1452667B1 (fr) 1998-02-14 1999-02-11 Système d'éléments de structure portante d'ossature tridimensionnelle
EP99102598A EP0936327B1 (fr) 1998-02-14 1999-02-11 Système d'éléments de structure portante d'ossature tridimensionnelle

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP04013072A Division EP1452667B1 (fr) 1998-02-14 1999-02-11 Système d'éléments de structure portante d'ossature tridimensionnelle

Publications (2)

Publication Number Publication Date
EP1698745A2 true EP1698745A2 (fr) 2006-09-06
EP1698745A3 EP1698745A3 (fr) 2006-11-02

Family

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Family Applications (3)

Application Number Title Priority Date Filing Date
EP06012580A Withdrawn EP1698745A3 (fr) 1998-02-14 1999-02-11 Système d'éléments de structure portante d'ossature tridimensionnelle
EP99102598A Expired - Lifetime EP0936327B1 (fr) 1998-02-14 1999-02-11 Système d'éléments de structure portante d'ossature tridimensionnelle
EP04013072A Revoked EP1452667B1 (fr) 1998-02-14 1999-02-11 Système d'éléments de structure portante d'ossature tridimensionnelle

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Application Number Title Priority Date Filing Date
EP99102598A Expired - Lifetime EP0936327B1 (fr) 1998-02-14 1999-02-11 Système d'éléments de structure portante d'ossature tridimensionnelle
EP04013072A Revoked EP1452667B1 (fr) 1998-02-14 1999-02-11 Système d'éléments de structure portante d'ossature tridimensionnelle

Country Status (7)

Country Link
EP (3) EP1698745A3 (fr)
AT (2) ATE293196T1 (fr)
DE (3) DE19806094A1 (fr)
ES (2) ES2271736T3 (fr)
PL (1) PL204051B1 (fr)
PT (2) PT1452667E (fr)
TR (1) TR199900311A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008043339A1 (fr) * 2006-10-11 2008-04-17 Wilhelm Layher Verwaltungs-Gmbh Cadre vertical en métal
FR2939464A1 (fr) * 2008-12-10 2010-06-11 Mills Perfectionnement aux tours d'etaiement

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DE10308853B3 (de) * 2003-02-27 2004-09-09 Wilhelm Layher Vermögensverwaltungs-Gmbh Fahrbare Absturz-Sicherungsvorrichtung für Baustellen auf Flachdächern
DE10317842B4 (de) * 2003-04-16 2012-03-01 Wilhelm Layher Verwaltungs-Gmbh Einhängevorrichtung
GB2404712B (en) * 2003-08-05 2006-10-25 Hill Anthony Designs Connector
DE102008006911A1 (de) * 2008-01-24 2009-07-30 Wilhelm Layher Verwaltungs-Gmbh Zum Aufbau einer Rahmenstütze, eines Traggerüsts und/oder eines Traggerüstturms bestimmter Vertikalrahmen
DE202008009700U1 (de) 2008-07-19 2008-10-09 MJ-Gerüst GmbH Anschlußkopf für einen Riegel eines Gerüstes
DE102010000472A1 (de) 2010-02-19 2011-08-25 Wilhelm Layher Verwaltungs-GmbH, 74363 Baugerüst und Verfahren zum Montieren bzw. Demontieren eines derartigen Baugerüsts
CN101892737B (zh) * 2010-07-06 2012-07-25 开平创誉棚架设备有限公司 一种菊花扣接式脚手架
DE202010013128U1 (de) 2010-12-15 2011-03-03 Wilhelm Layher Verwaltungs-Gmbh Anschlusskopfeinrichtung zum Anschluss an einer Lochscheibe eines Gerüststiels bzw. zum Koppeln mehrerer mit Lochscheiben versehenen Gerüststiele
CN102094515B (zh) * 2010-12-24 2012-09-05 浙江中南建设集团有限公司 一种脚手架
DE102011001796A1 (de) 2011-04-05 2012-10-11 Wilhelm Layher Verwaltungs-Gmbh Gerüststiel
WO2012163340A1 (fr) 2011-06-01 2012-12-06 Wilhelm Layher Verwaltungs-Gmbh Ensemble comprenant une pièce d'échafaudage et un élément d'échafaudage vertical
CN102518293B (zh) * 2011-12-08 2014-01-08 张福胜 用于组合脚手架节点连接的自锁球铰蝶形卡组件
CN105544960A (zh) * 2016-01-28 2016-05-04 天津九为实业有限公司 一种支撑架或脚手架用的连接横杆
CN106401166A (zh) * 2016-11-21 2017-02-15 福州大学 一种脚手架快速连接装置及其施工方法
DE102019133939A1 (de) 2019-12-11 2021-06-17 Wilhelm Layher Verwaltungs-Gmbh Vorrichtung zum lösbaren befestigen wenigstens einer geländereinrichtung an einem gerüstelement

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US4867274A (en) * 1987-01-24 1989-09-19 Langer Ruth Geb Layher Scaffold system
DE3934857A1 (de) * 1989-10-19 1991-04-25 Langer Ruth Geb Layher Anschlusskopf fuer geruest
FR2723153A1 (fr) * 1994-07-29 1996-02-02 Abc Minet Sa Piece d'assemblage pour l'accouplemement dans deuxplans orthogonaux d'au moins deux elements tubulaires
WO1999028573A1 (fr) * 1997-12-01 1999-06-10 Plettac Ag Dispositif d'accouplement pour traverse d'appui

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DE2822676C2 (de) * 1978-05-24 1982-08-19 Eberhard 7129 Güglingen Layher Verbindungsvorrichtung für Gerüstelemente
FR2479412A1 (fr) * 1980-03-27 1981-10-02 Select Etem Sa Noeud de liaisons multidirectionnelles pour barres de structures porteuses variees
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CA1229113A (fr) * 1983-10-26 1987-11-10 Neil W. Woods Echafaudage a disques de blocage
DE3824823A1 (de) * 1988-07-21 1990-01-25 Langer Ruth Geb Layher Anschlussausbildung fuer horizontaltraeger von geruestboeden
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US4867274A (en) * 1987-01-24 1989-09-19 Langer Ruth Geb Layher Scaffold system
DE3934857A1 (de) * 1989-10-19 1991-04-25 Langer Ruth Geb Layher Anschlusskopf fuer geruest
FR2723153A1 (fr) * 1994-07-29 1996-02-02 Abc Minet Sa Piece d'assemblage pour l'accouplemement dans deuxplans orthogonaux d'au moins deux elements tubulaires
WO1999028573A1 (fr) * 1997-12-01 1999-06-10 Plettac Ag Dispositif d'accouplement pour traverse d'appui

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008043339A1 (fr) * 2006-10-11 2008-04-17 Wilhelm Layher Verwaltungs-Gmbh Cadre vertical en métal
US8978822B2 (en) 2006-10-11 2015-03-17 Wilhelm Layher Verwaltungs-Gmbh Vertical frame of metal
FR2939464A1 (fr) * 2008-12-10 2010-06-11 Mills Perfectionnement aux tours d'etaiement
FR3057595A1 (fr) * 2008-12-10 2018-04-20 Mills Perfectionnement aux tours d'etaiement.
FR3058432A1 (fr) * 2008-12-10 2018-05-11 Mills Perfectionnement aux tours d'etaiement.

Also Published As

Publication number Publication date
EP1452667B1 (fr) 2006-08-09
PT1452667E (pt) 2006-11-30
ES2239415T3 (es) 2005-09-16
ATE335896T1 (de) 2006-09-15
DE19806094A1 (de) 1999-08-19
DE59911887D1 (de) 2005-05-19
EP0936327B1 (fr) 2005-04-13
EP1452667A1 (fr) 2004-09-01
TR199900311A3 (tr) 1999-09-21
PT936327E (pt) 2005-06-30
ATE293196T1 (de) 2005-04-15
ES2271736T3 (es) 2007-04-16
EP0936327A1 (fr) 1999-08-18
EP1698745A3 (fr) 2006-11-02
PL331443A1 (en) 1999-08-16
DE59913767D1 (de) 2006-09-21
PL204051B1 (pl) 2009-12-31
TR199900311A2 (xx) 1999-09-21

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