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| Number | Title | Issue Date |
| 6360501 | Guide unit for a tension member at a structural component A guide or deflecting unit for a tension member at a structural component of a structure extending outside of the cross-section of the structure. The tension member extends with a change of direction over a deflection point formed at the structural compon... | 03/26/2002 |
| 6322281 | Corrosion-protected tension member of steel A corrosion-protected tension member of steel composed of a plurality of individual wires twisted into a strand, wherein each of the individual wires of the strand is composed of a steel wire freed from deposits by a surface treatment and surrounded by a ... | 11/27/2001 |
| 6055691 | Method of mounting and tensioning a freely tensioned tension member and device for carrying out the method A method of mounting and tensioning a freely tensioned tension member, particularly a stay cable for a cable-stayed bridge, and a device for carrying out the method, wherein the polyethylene casing of each individual strand is removed during the tensionin... | 05/02/2000 |
| 5924250 | Sealing arrangement in a bundled tension member for prestressed concrete A sealing arrangement for closing off the areas to be filled with a casting compound of a tension member composed of a bundle of individual elements arranged within a tubular sheathing, for example, a stay cable of a cable-stayed bridge, includes a sealin... | 07/20/1999 |
| 5809710 | Method of tensioning a tension member composed of a plurality of individual elements A method of tensioning parallel prestressing members of a building or building component of prestressed concrete or a tension member composed of a plurality of individual elements, such as steel rods, steel wires or steel strands, wherein the individual e... | 09/22/1998 |
| 5803641 | Device for use in inserting individual tension elements of a freely tensioned member into a tubular sheathing A device to be used in inserting the individual tension elements of a freely tensioned tension member, for example, a stay cable for a cable-stayed bridge, into a tubular sheathing. A guide element to be attached to the front end of an individual element ... | 09/08/1998 |
| 5707181 | Method of producing an intended breaking point in a tension member for a soil anchor A method of producing an intended breaking point at a predetermined location of a tension member for a soil anchor of a strain-hardened steel or a steel which is not which is not in a thermodynamic equilibrium, for example, a wire or a steel wire strand, ... | 01/13/1998 |
| 5683519 | Method of cleaning and exposing portions of limited length of strands of steel wire A method and a device for cleaning and exposing portions of limited length of strands of steel wire which are surrounded by a corrosion protection substance, particularly grease, wherein the strands of steel wire and the corrosion protection substance are... | 11/04/1997 |
| 5624628 | Method of introducing a casting compound into a hollow space A method of introducing a casting compound composed of aggregates and a matrix with a hardening binder into a hollow space within a tubular sheathing of a tension member composed of one or more individual elements, particularly in the anchoring range of t... | 04/29/1997 |
| 5603589 | Method for manufacturing an anchor element for a soil anchor for a rock anchor, rock bolt or the like, from a strand of twisted steel wire A method of manufacturing an anchor element for a soil anchor or rock anchor, rock bolt or the like, from a strand of twisted steel wire. The anchor element includes a central wire and outer wires arranged radially relative to the central wire. The anchor... | 02/18/1997 |
| 5472296 | Corrosion protected support element for a soil anchor or a rock anchor, a pressure pile or the like A corrosion-protected support element for a soil anchor or a rock anchor or a pressure pile includes a support member which is provided with a tubular casing. The hollow space between the support member and the casing is filled out by a hardening material... | 12/05/1995 |
| 5439629 | Method and apparatus for producing prefabricated components from pretensioned prestressed concrete A method for the manufacture of pretensioned prestressed concrete sleepers wherein, the tensioning wires are taken directly from one or more rolls of wire and are introduced in a longitudinal feed into a tensioning frame, and the tensioning wires (5) are ... | 08/08/1995 |
| 5389765 | Arrangement for severing the tension member of a soil anchor at a predetermined location by induction heating An arrangement for severing a tension member of a permanent soil anchor of ferromagnetic material at a predetermined location includes a coil surrounding the tension member in a tubular manner at the predetermined location, wherein the coil is mountable t... | 02/14/1995 |
| 5135164 | Prestressed concrete railroad tie A prestressed concrete railroad tie having a tie body made up of two end members for supporting rail attachment parts and a central section extending between and interconnecting the end members and having a transverse cross-section smaller than the transv... | 08/04/1992 |
| 4970773 | Method of and apparatus for locating operational surfaces on a track electromagnetically levitated vehicles On a track for electromagnetically levitated vehicles, to adjust and secure side guide rails on a beam-like support member forming the track, after stators are adjusted and fixed to the support member, the side guide rails are held in position relative to... | 11/20/1990 |
| 4971493 | Anchoring device for the rod-shaped tension member of an anchor, especially a rock member An anchoring device for a tension member of an earth- or rock anchor, where a support element transmitting the tensile force is arranged between an anchoring element undisplaceably connected with the tension member and an anchor plate abuttable against a ... | 11/20/1990 |
| 4958961 | Anchoring arrangement for a rod-shaped tension member formed of fiber reinforced composite material A rod-shaped tension member formed of fiber reinforced composite material is utilized as an anchoring rod in foundation and mining construction, or as a reinforcing member in concrete and prestressed concrete construction. At least, in an axially extendin... | 09/25/1990 |
| 4908129 | Impervious layer formation process and landfill adsorption system An arrangement for retaining harmful substances contained in water seeping from a waste dumping ground body includes an impervious layer of mineral sealing materials, such as clay, with an adjacent adsorption layer containing materials capable of binding ... | 03/13/1990 |
| 4905896 | Railroad roadway for high speed rail-mounted vehicles A railroad railway for rail-mounted vehicles capable of high speed travel includes a track grating formed of rails and ties with the ties partially embedded in a poured-in-place steel reinforced concrete slab. The concrete slab is mounted on a continuous ... | 03/06/1990 |
| 4904122 | Anchoring device, such as a rock anchor An anchoring device, such as a rock anchor, includes an anchor rod with force transmission ribs projecting outwardly from its outside surface. An anchor nut is in threaded engagement with the rod and has at least an axially extending portion formed of a m... | 02/27/1990 |
| 4878327 | Corrosion protected tension member for use in prestressed concrete and method of installing same A corrosion-protected tension member, such as a tendon for prestressed concrete with post-tensioning, is made up of a bundle of individual tension elements, such as strands, arranged within a tubular envelope. The tension member extends between anchoring ... | 11/07/1989 |
| 4877463 | Method for producing rolled steel products, particularly threaded steel tension members To produce threaded steel tension members, steel is used with a C-content of 0.50 to 0.80%, preferably 0.75%, a Si-content of 0.20 to 0.50%, preferably 0.25%, and a Mn content of 0.30 to 0.80%, preferably 0.60%. Exiting from the rolling heat at the outlet... | 10/31/1989 |
| 4856254 | Method of placing steel tendons through ducts in a concrete structural member In pulling or pushing steel tendons, such as strands of steel wire through ducts positioned in a concrete structural member, the ducts are sheathing tubes encased in the concrete of the structural member. To limit the friction acting on the tendon as it i... | 08/15/1989 |
| 4848052 | Spacer for tension member A tendon for use in prestressed concrete is made up of a plurality of individual elements such as strands of steel wire arranged in a uniform array around and spaced radially outwardly from a center point. A spacer for the tendon includes a star-shaped ba... | 07/18/1989 |
| 4773247 | Apparatus for forming a bulge in a stranded steel wire cable An apparatus for forming a radially outwardly directed bulge in an axially extending stranded steel wire cable for use as an anchor in a concrete structural component includes a frame with a pair of side walls. A clamping device is mounted on one end of t... | 09/27/1988 |
| 4718209 | Wedge anchorage for a tension member in a prestressed concrete structure A wedge anchorage for an axially elongated tension member, encased in and arranged to prestress a concrete structure, includes an anchor member with a conically widening surface where a wedge seats for securing the tension member in the tensioned state wi... | 01/12/1988 |
| 4669143 | Support system for a multiple-span bridge A support system for a multiple-span bridge constructed of reinforced concrete or prestressed concrete includes a primary structure and a secondary structure. The primary structure bridges the spans between intermediate supports or between an abutment and... | 06/02/1987 |
| 4664555 | Tension member for a rock anchor or the like A tension member for use as a rock anchor or the like has a plurality of steel wires embedded in a tubular member with a central bore and formed of a hardenable plastics material, such as a synthetic resin. The outer surface of the tubular member is profi... | 05/12/1987 |
| 4652179 | Method of and device for severing a tension member in a prestressed grouted anchor A prestressed grouted anchor has a portion of an axially extending prestressed tension member grouted in a receiving material while the remaining portion of the tension member extends from the grouted portion. The remaining portion is separated from the g... | 03/24/1987 |
| 4648146 | Apparatus for and method of assembling a tension tie member In the assembly of a tension tie member between spaced anchors when the tie member is made up of a number of individual tension elements, such as steel wires, steel strands or the like, enclosed within a tubular sheathing, the tension elements are inserte... | 03/10/1987 |
| 4630971 | Apparatus for anchoring rock and the like An anchoring apparatus for insertion into a borehole in a rock stratum for supporting the rock surface or wall, such as in a rock tunnel or rock excavation, includes a tension member in the form of an axially elongated steel rod with force transmission ri... | 12/23/1986 |
| 4624440 | Adjustable formwork for concrete structures An adjustable formwork for forming the corner surfaces of concrete structural members includes a first and a second formwork unit. Each formwork unit extends transversely of the other and has a surface which forms one of the concrete surfaces of the concr... | 11/25/1986 |
| 4610117 | Multiple-span bridge support system for vehicles with high braking forces In a multi-span bridge support system, the superstructure includes a row of elongated single-span girders arranged end-to-end and supported at their ends on vertical support columns. At least two adjacent girders in a row are provided with fixed bearings ... | 09/09/1986 |
| 4594827 | Tension member, particularly for use as a diagonal cable in a stayed girder bridge A tension member is secured at each end to a separate anchoring system for transferring the tensile force from the member to a support structure. The tension member is made up of individual elements disposed in parallel over an axial length located betwee... | 06/17/1986 |
| 4589156 | Support structure, particularly for a long span bridge A support structure, such as a bridge support structure for long spans between supports, includes a beam-like girder formed of reinforced concrete or prestressed concrete connected to and supported on the upper ends of support piers so that the girder is ... | 05/20/1986 |
| 4559691 | Device for securing a sleeve on the abutting ends of reinforcing bars A device for securing a sleeve on the abutting ends of two axially aligned reinforcing bars includes an upper device part, a lower device part aligned below the upper device part and a drawing die mounted on the lower device part. Cylinder-piston units in... | 12/24/1985 |
| 4513556 | Removable tension member for a grout anchor A temporary anchor for securing part of a structure to the earth includes a tension member made up of at least two complementary shaped parts forming a regular shaped exterior. One or more ribs are formed on the exterior peripheral surface of each part so... | 04/30/1985 |
| 4513465 | Stiffening girder for a stayed cable bridge A stiffening girder for a stayed cable bridge, constructed of reinforced concrete or prestressed concrete, is formed by a closed multi-cell box extending in the long direction of the bridge. The upper part of the box is a substantially horizontally extend... | 04/30/1985 |
| 4489024 | Method of and apparatus for the manufacture of prefabricated prestressed concrete members Prefabricated prestressed concrete members are formed on a stressing bed with a number of working stations arranged next to one another along the length of the bed. A frame froms the working stations and the frame is movable over the stressing bed. With a... | 12/18/1984 |
| 4487526 | Method of and structure for erecting an artificial island An artificial island located on the high sea is formed of a support structure and a platform mounted on the upper end of the support structure. During erection, the support structure, not completed for its full height, is moved into position and founded o... | 12/11/1984 |
