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Patent Searching and Data


Matches 551 - 600 out of 6,916

Document Document Title
WO/1992/002344A1
Incorporation of solid aggregates into powdered cement which later dissolve, evaporate, volatilize, or melt leaving voids in the cement composition is disclosed. Cementitious articles are prepared by manipulating powdered hydraulic cemen...  
WO/1992/001845A1
A girder (10) comprises a web (12) of reinforced concrete with steel plates (14, 16) attached to opposite sides of the web (12) to form flanges which project from the web (12). The steel plates (14, 16) are attached to the web (12) by me...  
WO/1992/000174A1
A storage vault (2, 182) includes an inner tank (4, 4', 152, 180) entombed within a concrete outer tank (8) by first erecting a pair of sidewall forms (51) on a base plate (44) to create an open-top enclosure (54). The inner tank (180) c...  
WO/1991/019058A1
The clay tile proposed consists of a clay-bound core layer (20) with, on each side of it, a surface layer (22, 24) of netlike, tear-resistant textile material which is at least partially embeddedin the clay of the core layer (20).  
WO/1991/017875A1
Novel compositions and methods of hydrating hydraulic cement without mechanical mixing of the cement and water are disclosed. Cementitions articles are prepared by manipulating powdered hydraulic cement compositions using known or novel ...  
WO/1991/017031A1
When a heavy body of concrete is cast in a mould cavity (21), a filler member with a pair of jaws and a lifting anchor (17) held between the jaws of the filler member may be arranged within the cavity of the mould (21) through an opening...  
WO/1991/016514A1
The present invention refers to an apparatus for facilitating the positioning of essentially horizontally arranged reinforcing irons in moulds for moulding of essentially vertically arranged building elements of concrete or the like. The...  
WO/1991/013214A1
An anchoring insert (5), for supporting steps for example, is placed into the wall of a manhole or inspection chamber in such a manner that any hole made during insertion is sealed during manufacture. Apparatus (13) for inserting the ins...  
WO/1990/015191A1
For certain mass-produced finished products, especially points sleepers, the correct fitting of inserted components is of crucial importance. During their manufacture, the inserted components must be neither damaged nor shifted. During t...  
WO/1990/008635A1
A process is described for the production of a concrete post (1) in which prestressing elements (2) are connected to prefabricated concrete pieces (3; 4) and the prestressing elements (2) are tensioned and enclosed in that state in a mou...  
WO/1990/005818A1
The method comprises substantially the forming of a reusable formwork (9) of the upper part of the slab and the mounting, upside down, of the assembly of truss elements (1) connected between each other and to the support sections (2), th...  
WO/1990/002234A1
Spacer for wire armouring in the walls of concrete pipes cast in moulds. Radially projecting fastening elements (12, 13, 17) are provided on one side of a basic body (11, 16) to connect the latter to the wire armouring (3, 4). The other,...  
WO/1990/000647A1
In forms for point sleepers, the base plate (3) of the form also serves as a template for the positions of the built-in components. Usually, a new form is made for each series of a particular type of sleeper. In the case of small series ...  
WO/1989/008540A1
Transport anchors (2) for insertion in a form (3) for concrete parts (4) are available in an anchor magazine (8). An insertion gripper (16) takes the lowest transport anchor (2) from the anchor magazine (8) and is pivoted to an insertion...  
WO/1989/008170A1
In a process for the removal of corrosive ions of reinforced concrete, the concrete is moistened with water or electrolyte over a suitable time period and thereafter is dried over a suitable time period. Moistening and drying is repeated...  
WO/1989/005222A1
In order to manufacture ceramic mouldings with embedded reinforcement which possess a good surface quality and improved resistance and toughness, the reinforcement is designed as an inherently rigid three-dimensional supporting framework...  
WO/1989/002815A1
In order to manufacture plate-like floor elements for false floors, a mould is used that is composed of a tub made of a high traction-resistant material and a ceramic cover plate that closes the top of the tub and is rigidly secured to t...  
WO/1989/000102A1
A method and apparatus for the construction of low-cost building structure through the synergistic composition of material, process, and structural design. In a first embodiment, a specially fashioned balloon (14), in the shape of a hous...  
WO/1988/010345A1
In a curtain wall of metal-stud-frame type in which a metal frame is attached to the back surface of a concrete panel through a flexible anchor, a self-supporting type solid, knitted goods formed by knitting fibers in three dimensional d...  
WO/1988/007934A1
Methods and arrangements for forming prestressed concrete members (40) wherein a pressure-containing casing (50) is disposed around the outside surface of the concrete member (42) and is spaced therefrom so that a cavity (56) is formed b...  
WO/1988/005104A1
Tridimensional load carrying structure comprised of reinforced concrete slabs, of which the weight has been reduced by interior recesses. Said structure may be made by means of independent blocks (G) which are prefabricated and juxtapose...  
WO/1988/002049A1
During the production of concrete sleepers for points on the pre-stressed bed, and in order to fix the tube-shaped assembly components at the bottom of the sleeper casing, a recoverable device (60) is incorporated which comprises a trunn...  
WO/1987/004976A1
A cement board having bare surfaces and a woven mesh of reinforcing fibers (16) underlying the top, bottom, and longitudinal edge surfaces is made continuously on an improved apparatus which comprises a pair of edger rails (34) which sli...  
WO/1987/003530A1
In order to form a heating element, a coil-shaped hollow path, cut into a plate (10), is filled with an exothermally reacting pulverulent mixture and is compressed by means of a correspondingly shaped pusher (13), a platen being then app...  
WO/1987/003638A1
The abovementioned bolt is provided with an anchor section (12) having a thickened anchor head (13) and a retaining section (14) located at a distance. The latter has a thickened retaining head (15). The anchor section (12) with its anch...  
WO/1987/002301A1
Continuous fibres are passed into a cement grout and are tension-wound into at least one layer on a layer previously projected on to a mandrel, and comprised of a mixture of cement and short fibres. Thereafter, an appropriate drying time...  
WO/1986/007559A1
Apparatus for and a method of casting annular concrete articles such as poles or pipes. The apparatus and method comprises establishing a suitable mould (10), defining the desired mould cavity or shape (13) into which wet or uncured conc...  
WO/1986/005774A1
A method for manufacturing a fibre reinforced ceramic material which comprises forming a preform (11) of ceramic fibres, placing the preform in a porous mould (12, 13) and applying a ceramic slip (14) to the preform in the mould. The sli...  
WO/1986/004376A1
The decorative laminated element is comprised of an outer decorative facing (1) consisting of mortar and of an insulating sublayer (3) consisting of light concrete, a filamentary intermediate layer (2) reinforcing the connection between ...  
WO/1985/005321A1
Method for the preparation of an artificial marble product, in which said method an artificial marble mix (1) that contains stone powder and hardening resin is cast into a mould, a wooden core (2) is placed onto the mix and enclosed in m...  
WO/1985/005067A1
Wires (28), (30) and other conduits are placed accurately within a molded product by attaching them to rods (34) which extend into a mold (20). The rods have notches (42) on their sides; each wire is held in a notch by a cord (44) which ...  
WO/1985/004362A1
A method of producing a prestressed continuous concrete product, according to which method mould units (2) are connected one after another to form a sequence of moulds (1) and the moulds are provided with prestressing wires (10), whereaf...  
WO/1985/004361A1
A method of and a casting bed for producing a concrete product, especially an endless concrete blank prestressed in at least two directions. In order to enable a prestressing wire to be arranged in position and tightened in a simpler man...  
WO/1985/004360A1
Transport anchors (2) to be introduced into moulds for concrete parts are held at disposal in a magazine (1). An ejection device (3) transversally displaceable with respect to the longitudinal axis of the lowest transport anchor (2) in t...  
WO/1985/003930A1
In producing a pre-cast composite structure of a carbon fiber-reinforced concrete, an insulating layer having an electrical resistance of at least 100 ohms is formed on the surface of an iron member to which the concrete mix will come in...  
WO/1985/000319A1
A base (12) is provided including first, second and third adjoining marginal portions (14, 16 and 20) with each marginal portion also including the adjacent half of a marginal zone (18) of the base. A first stationary wall (22) is fixedl...  
WO/1983/003276A1
A load-bearing compound slab which has been manufactured by combining a corrugated steel sheet (1) by means of dowels (2) with a concrete slab, and the procedure for manufacturing such a structure. Compared with a standard compound slab ...  
WO/1983/001410A1
Process and apparatus for producing fabric-reinforced, thin concrete panels suitable as a backer board for construction materials such as ceramic tile, slate and thin brick. Prior art methods tend to be labor intensive and require undue ...  
WO/1983/000457A1
A Mold Box (2) for molding a ceramic die having spaced heating wires embedded therein. Removable rod supports (18) support rods (16) which extend into close relationship to the mold surface in the mold box (2). Rods (16) support heater r...  
WO/1982/002916A1
A beam-like building component (1) comprises a first concrete beam-part (2) provided with a longitudinally extending reinforcement (4) and a second, concrete beam-part (3) provided with a longitudinally extending reinforcement (5) and sp...  
WO/1982/002167A1
Method for manufacturing reinforced concrete railway sleepers, characterized in that it comprises substantially the mounting, through openings (2, 3) arranged at the bottom of the mould (1), of two parts or elements (5) of a rail clamp, ...  
WO/1981/003170A1
Shaped articles with a coherent matrix comprising homogeneously arranged bodies (A) (18, 14) of a size of from about 50 66 to about 0.5 (Alpha)m, such as silica dust particles, and densely packed bodies or particles (B) (12) having a siz...  
WO/1981/002910A1
Plurality of structural products comprising segregated slabs, (21, 23) process of making such structural products, and apparatus for performing such process of making such products and structures incorporating such products. The product ...  
WO/1980/002527A1
A concrete mould employs resilient side shuttering (2), made of rubber for example, which is prevented from deflecting, when concrete is poured, by tensioning wires (6a, 6b) extending along the length of the shuttering. Pieces of the shu...  
WO/1980/000959A1
Shaped articles with a coherent matrix which comprises homogeneously arranged inorganic solid particles (A) of a size of from about 50 66 to about 0.5 micron, such as silica dust particles, and densely packed solid particles (B) having a...  
JP6764504B1
[Subject] The manufacturing method of the precast concrete beam with way which was excellent in working efficiency compared with the former is provided. [Means for Solution] A manufacturing method of a precast concrete beam with way, It ...  
JP2020147010A
[Subject] A jig for upper pillar fabrication which can be easily established in a seat board is provided. [Means for Solution] It is jig 1 for upper pillar fabrication used when manufacturing an upper pillar which has steel pipe 5 for jo...  
JP2020147991A
[Subject] A mold for upper pillar fabrication which can fabricate an upper pillar appropriately is provided. [Means for Solution] It is related with mold 1 for upper pillar fabrication for manufacturing an upper pillar which has cylindri...  
JP6751694B2  
JP2020138521A
To cope with a change in a sheath embedding angle by appropriately cutting a diameter-expanded flange portion with the same mold. A cylindrical resin molded tube 30 having a predetermined length and a cylindrical portion 11a having an ou...  

Matches 551 - 600 out of 6,916