Abstract: A telescopic push-pull prop 10 for the construction industry has an outer tube 12 and at least one threaded rod or inner tube 14. An outer thread 22 of the inner tube 14 engages with an inner thread 24 of the outer tube 12. The inner thread 24 of the outer tube 12 is arranged at an axial separation from a free end 26 of the outer tube 12. The inner thread 24 of the outer tube 12 is produced by an at least partially circumferential reduction of the outer tube 12 over a mandrel positioned in the outer tube 12, the mandrel having an outer thread. At its free end 26, the outer tube 12 has an edge section 34 with a pass-through cross-section 32? that is reduced with respect to a nominal width 36 of the outer tube.

Abstract: A locking device 21 for an anchor bar 2 of an anchor system of a concrete wall formwork has an annular sealing element 15 for sealing off an anchor penetration hole 13 in the formwork facing 7 and a threaded nut element 24 for threading the anchor bar 2 into a threaded nut thread of the threaded nut element. A tubular guiding device 45 is flush with the threaded nut thread of the threaded nut element 24 on the end of the threaded nut element 24 to be located at the concrete formwork side. The sealing element 15 has an elastic rubber inner sealing ring 46 and the free end 51 of the guiding device 45 to be located at the formwork element side is sealingly inserted with the inner sealing ring 46 into the sealing element 15.

Abstract: A climbing shoe (10) of a climbing formwork for fixing to a concreting section (14) of a building comprises a sliding shoe part (16) on which claws (50) are provided. At least one claw (50) is provided in a pivotal and/or telescopic manner on the sliding shoe part (16).

Abstract: A rail-guided climbing system having climbing brackets (36, 38, 40) in which climbing rails (32, 34) are guided, rigidly fixed to a scaffolding unit (12). Each climbing bracket (32, 34) has a joint (52) arranged between a first climbing bracket (40) and a second climbing bracket (38). The free end of the climbing rail (32, 34) may be inserted into a climbing bracket (36, 40) rigidly fixed on the construction (16) and the angular position of adjacent climbing rail sections (48, 50) is adjusted via the joint (52) using an adjuster device (58, 68).

Abstract: A method is proposed for constructing multi-story concrete structures using a rail-guided self-climbing formwork system. A climbing rail is thereby displaced in a vertical direction within lower and upper climbing shoes and a lower extension piece is positioned to extend vertically in a downward direction below a lower end of the climbing rail. The lower extension piece has a length which is less than the length of the climbing rail. The climbing rail is then displaced in the vertical direction until the lower extension piece is captured within the lower climbing shoe. The method simplifies construction of the lower stories of concrete structures.

Abstract: A method is proposed for constructing mufti-story concrete structures using a rail-guided self-climbing formwork system. A climbing rail is thereby displaced in a vertical direction within lower and upper climbing shoes and a lower extension piece is positioned to extend vertically in a downward direction below a lower end of the climbing rail. The lower extension piece has a length which is less than the length of the climbing rail. The climbing rail is then displaced in the vertical direction until the lower extension piece is captured within the lower climbing shoe. The method simplifies construction of the lower stories of concrete structures.

Abstract: A timber support (1) for the construction industry, has a top girder (3) and a bottom girder (4) which are interconnected using a joining element (6). A protective cap (10) that surrounds the end (9) of the girder is provided for the end of the girders. The protective cap (10) for the end of the girders has at least one fastening bracket (15) which partially covers a side of the joining element (6), and the fastening bracket (15) for attaching the protective cap (10) for the end of the girders is fixed to the side of the joining element (6) with the help of fastening means.

Abstract: The invention relates to a slab formwork system comprising a plurality of formwork elements (98) which have on their underside girders (2) which can be coupled to heads (28) of vertical supports (90), in which slab formwork system the head of a vertical support has a lifting lock (44-51; 87) fixing a girder of a formwork element in the vertical direction. In addition, the head of a vertical support has fixing elements (52-66) which prevent a movement of the grider in its longitudinal direction.

Abstract: A panel formwork T-shaped arrangement has panel formwork elements 61, 62 directly bordering an intermediate panel formwork compensation element 53. The associated formlinings 61a, 53a, 62a are in one plane. These formlinings 61a, 53a, 62a delimit on one side the continuous wall 84 of the T-shaped intersection to be produced. The three components 61, 53, 62 are engaged from behind by a crossbar 85 for mechanical stabilization. The two formlinings 55a, 57a delimit on both sides the abutting wall 86 of the T-shaped intersection to be produced. The lateral outer edges 12 and 17 of the inner limb 56 and the panel formwork element 61 are aligned with respect to each other at the edge plane R. The outer edges 78 and 81 of the inner limb 58 and the panel formwork element 62 are also aligned with respect to each other at the edge plane R?.

Abstract: A climbing shoe (10) comprises a sliding shoe section (16) and wall shoe section (18). The sliding shoe section (16) is designed so that it can guide and hold a climbing rail. The wall shoe section (18) is connected to the sliding shoe section (16) in an articulated manner.

Abstract: The invention concerns a panel formwork corner system, comprising a) a panel formwork inner corner element (1), with two inner limbs (5, 6) that are connected to each other and arranged at an angle with respect to each other, b) a panel formwork outer corner element (2) with two outer limbs (25, 26) that are rigidly connected to each other and disposed at an angle with respect to each other, c) two rectangular panel formwork elements (3, 4), each being formed with at least one tie hole (13, 14, 15, 16), wherein all tie holes (13, 14, 15, 16) of a panel formwork element (3, 4) are disposed in a common tie hole plane (A), wherein this tie hole plane (A) extends centrally between two parallel lateral outer edges (17, 18, 19, 20) of the rectangular panel formwork element (3, 4) and perpendicularly with respect to the formlining plane (SE), wherein the position of each tie hole (8, 9, 10, 11) of each inner limb (5, 6) with respect to three lateral outer edges (21, 12, 22) of the inner limb (5, 6) corresponds to t

Abstract: The invention relates to a ceiling formwork system comprising several formwork elements, the bottom face of which is provided with supports that can be coupled to heads of vertical props. At least some areas of the cross section of said supports are embodied in a C-shaped manner, with two legs extending from a basic section. One of the legs is designed as a supporting surface that is to rest on a head of a vertical prop while the head of a vertical prop is provided with fixing elements which engage into one respective recess of a supporting surface. Said recess is configured so as to selectively couple the support to the vertical prop in two directions that are offset relative to each other by 90° at the end of the supporting surface which faces away from the basic section.

Abstract: A ceiling joist formwork system (1) comprises a ceiling table (2), a vertical support (6), an inner board (3), a ceiling joist base (4), and an outer board (5), the outer board (5) and the ceiling joist base (4) being interconnected, especially rigidly interconnected. The vertical support (6) is rigidly fixed to the ceiling table (2), and the ceiling joist base (4) is fixed to the vertical support. The system is characterized in that the ceiling joist base (4) and the outer board (5) are rotatably mounted about a first articulated point (GP1) on the vertical support (6), a guide (7) is rigidly fixed to the inner board (3) and the guide (7) and the inner board (3) are rotatably mounted about a second articulated point (GP2) on the ceiling joist base (4). The inner board (3) is guided by means of an edge (14a, 14b) in relation to the ceiling table (2) along a direction comprising at least one component vertical to the formwork upper plane of the inner board (3).

Abstract: The invention relates to a ceiling formwork system comprising several grid elements, each of which is composed of a plurality of parallel longitudinal beams and at least one transversal beam that can be mounted or placed on vertical supports and extends perpendicular to the longitudinal beams. The longitudinal and transversal beams of the grid elements are rigidly interconnected. Standard grid elements are provided with two transversal beams in the opposite terminal areas of the longitudinal beams while transversal compensating grid elements are fitted with two transversal beams which are offset towards the inside in relation to the standard grid elements.

Abstract: The invention relates to a formwork system which comprises formwork elements having opposite formwork interior surfaces, which can be interlinked at a distance to one another by means of formwork ties. Said formwork ties are constituted of a bolt element and two locking elements that are configured so as to be coupled to the bolt elements in the two distal areas thereof facing away from each other and that are adapted to transmit tensile forces from the formwork elements onto the bolt element. The formwork system is characterized in that the locking elements comprise coupling elements for transmitting pressure forces from the formwork elements onto the bolt element.

Abstract: A prop head (17) of a formwork prop for a concrete ceiling has an end piece (15) facing the concrete ceiling, the end piece (15) having a longitudinal axis which extends substantially perpendicular to the plane of the concrete formwork. The prop head (17) also has a hinge mechanism (20) at the end piece (15) end facing away from the concrete ceiling. The longitudinal axis of the end piece (15) can be placed in swiveled positions relative to the longitudinal axis of the prop in hinged positions of the hinge mechanism (20), the hinged positions being lockable by means of fastening means (30), preferably on the hinge mechanism (20). A load-introducing center of gravity formed by the end piece (15) end facing the concrete ceiling essentially lies on a line encompassing the longitudinal axis (62) of the prop (2, 3, 4) in the hinged positions.

Abstract: A formwork element 10 for concrete structures, has a base body 12 of hollow profile construction having an outer side 14 designed as a form lining. The base body 12 is formed by at least two interlocking subsegments which are permanently connected to one another at their interlocking edge areas. The subsegments, such as edge segment and intermediate segment 16, 18, which are advantageously produced through extrusion, are advantageously hooked to one another to form an inseparable unit in the connected state.

Abstract: A locking device (20,21) for an anchor rod (2) of an anchor system of a concrete wall form, has a screw nut element for screwing the anchor rod through a screw thread of the screw nut element. A dome plate can be fastened to a back of a form element (5,6) of the concrete wall form by means of fastening elements (30) and has a spherically shaped plate section with an opening in which the screw nut element is arranged so as to have radial play. The screw nut element has a groove-type radial seat which accommodates the edges of the opening in the spherical plate sections.

Abstract: A turnbuckle device (12, 13, 14; 20; 35a, 35b, 35c; 44a, 44b, 44c) for clamping concrete shell elements (1, 2), having two claws (15a, 15b, 15c, 16a, 16b, 16c; 21, 22) and a wedge (17a, 17b, 17c; 23; 37a, 37b, 37c; 46a, 46b, 46c), the claws being displaceable toward one another in a clamping direction (34), the wedge being guided in the clamping device along a wedge guiding direction (33), and the scale of the propulsion of the wedge in the turnbuckle device determining the displacement of the claws, is characterized in that the wedge guiding direction and the clamping direction enclose an angle less than 90°. Mutual obstruction of the turnbuckle devices neighboring wedges is thus avoided.

Abstract: The invention relates to scaffold steps, with two separate side pieces (11) and a plurality of separate step elements (13, 13?, 13?), which can be detachably coupled to each other and to the side pieces.