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WO/1994/009227 |
This invention provides a concrete form made of a thermoplastic resin which is obtained by thermally press molding a thermoplastic resin containing a predetermined amount of a glass fiber having a specific mean fiber length. A ceiling pl...
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WO/1994/008912 |
Aggregates, matrices, and composites exhibiting enhanced structural characteristics, together with methods and apparatuses for their manufacture, are disclosed. The aggregates of the present invention have a three-dimensional shape, a Te...
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WO/1994/007666 |
Concrete forms (10) utilizing a laminated concrete form liner (13) comprising a porous fabric (16) laminated to a drainage scrim (17). The laminated form liner (13) is untensioned and used in combination with a support to form a concrete...
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WO/1994/008110 |
This invention pertains to a novel adjustable formwork system which can be used in the manufacture of a wide range of structurally efficient cross-sectional shaped concrete beams, columns and structures. A cast-in-place concrete beam for...
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WO/1994/008097 |
The invention is a composite masonry block having a front surface (12) and a back surface (18) which are adjoined by first and second side surfaces (14, 16), as well as a top surface (10) and a bottom surface (8) each lying adjacent the ...
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WO/1994/004330 |
Containers incorporating a hydraulically settable structural matrix including a hydraulically settable binder such as cement for use in the storing, dispensing, and/or packaging of food and beverage products are disclosed. The disposable...
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WO/1994/003313 |
The invention concerns a mould for the production of mouldings containing liquid, such as roof tiles made from clay or a similar material. The mould is made up of two layers, one of which (the layer which comes in contact with the materi...
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WO/1993/025761 |
The present invention is directed to an apparatus for forming concrete pathways. The apparatus comprises a mold (10) incorporating a plurality of openings (14) for receiving concrete therein. The mold openings (14) define separate and di...
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WO/1993/025756 |
In the manufacture of switch-point sleeper blocks of varying lengths and having a varying number of rail attachment devices provided in varying positions therealong, there is used a number of matrices (1) which are placed in a long form ...
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WO/1993/025362 |
A vault for dual containment of the fluids by an inner tank (204) and an outer tank (383) is produced by the apparatus and method described. The tendency of the inner tank (204) to bob up in response to buoyancy from fluid concrete is co...
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WO/1993/017846 |
A method wherein (a) a predetermined amount of concrete is fed into a mould (3) on a moulding plate (29) which is removably mounted on a vibrating table (4); (b) the concrete in the mould (3) is compressed to give an element (2) having a...
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WO/1993/017820 |
A method of removing a core from an object formed by injection moulding starting from a compound comprising a metallic and/or ceramic powder material. The outer contour of the object is formed against an external tool arranged in an inje...
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WO/1993/017205 |
A concrete formwork member including a plane forming skin (1) adhered to a metal stiffening sheet (2) which is in turn secured to a joining and stiffening frame (3). The forming skin (1) is an enamelled metal sheet and its forming surfac...
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WO/1993/013923 |
A method and apparatus for injection molding powder suspensions is disclosed wherein an elastomeric bladder (12) is disposed within a mold cavity (20) of a mold (22). A powder suspension (46) comprising a powder and a binder system is in...
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WO/1993/010310 |
In lawn covers made of paving stones (10) mutually separated by a relatively large gap, the paving stones are linked to each other so as not to move in relation to each other by a holding grid (11) imbedded in the paving stones (10) and ...
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WO/1993/008972 |
A device for making through openings in reinforced concrete articles during their production comprises an insert corresponding to the form of the opening to be made and having an axial channel (4) and a lock for fixing the position of th...
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WO/1993/007339 |
A paving assembly (1) comprises a plurality of paving elements (2) interconnected by a reinforcing and interconnecting mesh (5) of plastics material. Adjacent paving elements (2) are joined by frangible links (15) which assist in spacing...
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WO/1993/004831 |
In order to simplify the transport of parts to be exchanged (5', 6, 6', 7, 7') of a vertical press (1), devices (10, 10', 11) for lifting and transporting these parts are incorporated into the press. Appropriately, the lifting and transp...
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WO/1993/004008 |
Fibre-reinforced plaster plates are produced according to a single layer, continuous filtration process. A suspension of hemihydrate plaster and wet processed lignocellulose-containing fibres, preferably from used paper, is dewatered on ...
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WO/1993/003899 |
Fibre-reinforced plaster plates are produced in a multi-layered continuous filtration process. A suspension of plaster and wet processed fibres, preferably from used paper, is dewatered on at least two travelling screens. At least two la...
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WO/1993/004250 |
A pole (1) suitable for providing a support structure for one or more conductors, the said pole comprising at least first (2) and second (4) elongated sections which are integrally formed and connected, wherein said first section constit...
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WO/1993/003898 |
A method of making three-dimensional impressions, such as a persons facial appearance and expression including the steps of applying an irreversible hydrocolloid base layer, allowing base layer to harden to gel-like consistency, applying...
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WO/1993/003900 |
A molding machine (10) for casting a modular mass-produced concrete product. The molding machine includes a stationary support system (12) and a rotatable apparatus (11) having a horizontal axis of rotation (13). Rotational means (24) ro...
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WO/1993/001924 |
A concrete plate molding apparatus which can be easily assembled or disassembled, and wherein concrete plates with different surface designs can be efficiently molded at no additional cost. The apparatus comprises: a support base 20; a s...
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WO/1993/000207 |
The mould is designed for pressing ceramic wall and floor tiles (26) affording one or more re-entrant grooves (28) or recesses (31) in the reverse face, of which the undercut surfaces are suitably angled in relation to an axis normal to ...
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WO/1992/021834 |
A precast insulated concrete panel (10) and a method of forming same and a building structure incorporating such panel is described. The precast insulated concrete panel (10) is comprised of an outer insulating skin (18) formed by a rigi...
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WO/1992/020470 |
Waste products which are to be disposed of by burial, are mixed with a hardening substance in bags (10) which contain and are wrapped around circular or approximately circular frames (14). The circular shape enables efficient mixing. The...
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WO/1992/020884 |
A prefabricatable staircase is described, having two concrete stringers (10, 11) or, alternatively, one such stringer (10, 11) and a supporting post. Between the stringers (10, 11) or between the stringer and the supporting post extend t...
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WO/1992/018723 |
A device, a so-called shuttering panel bearer, for stair formwork, including a plurality of substantially identical, mutually sequential hollows or notches (1), essentially V-shaped or L-shaped hollows or notches, defined by two mutually...
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WO/1992/013690 |
The mould is comprised of a bottom (4) wherein are provided grooves (8) extended transversely between containment sidewalls (6); said sidewalls (6) have windows (14) which are aligned with the grooves (8) which preferably are delimited b...
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WO/1992/011981 |
The proposal is for a process and device for making moulded parts (11), especially concrete shaft sections. The parts are shaped in a mould consisting of a core (15), a casing (20) and a lower sleeve (24) into which the moulding compound...
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WO/1992/010611 |
A method and a mould for casting a covering tiling formed by concrete tiles in such a way that moulds are placed as a set of moulds on the surface to be covered, fresh concrete is brought into the set of moulds and it is allowed to set. ...
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WO/1992/010346 |
Concrete forms utilizing an improved concrete form liner comprising a two-sided fabric having a different range of pore sizes on one side compared to the opposite side. In one embodiment, a microporous coating, such as an ethylene-vinyl ...
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WO/1992/010349 |
Moulded articles in the form of tiles are produced in a disposable continuous carrier (M2) provided with a plurality of discrete self-supporting cavities (214) which are first fully filled with a particulate filler to which is subsequent...
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WO/1992/010345 |
A method for making multilayer construction articles consists in transforming the bottom (1) of a mould (2) into a vacuum mould plate (5) on the surface of which are consecutively placed a reinforcing grid (3) with anchor elements (8), a...
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WO/1992/010347 |
This invention relates generally to the fabrication of materials for use as tools (22) in various applications. Specific emphasis is placed upon certain ceramic matrix composite materials and metal matrix composite materials for use as t...
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WO/1992/008589 |
An apparatus for manufacturing prestressed concrete piles or beams, in particular railway ties. The apparatus comprises a casting mould which is divisible into segments each having the length of a beam to be formed. Wire tensioning devic...
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WO/1992/005022 |
A light-weight yet sturdy ceramic article, is manufactured by initially forming at least one fugitive core (14) including a main portion (15) and at least one holding portion (16) projecting from the main portion and then positioning the...
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WO/1992/002344 |
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...
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WO/1992/001214 |
An apparatus and method for providing a test sample (14) of concrete from a large poured area of concrete (11) includes a mold (12) placed within the concrete form (10) and having a continuous sidewall and a bottom wall. An insert (16) i...
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WO/1991/019865 |
A hollow foamed plastic form (10) for concrete has a pair of opposed parallel sidewalls (12 and 14) with planar upper and lower faces (16, 18, 20 and 22) and a pair of opposed end members (24 and 26). Disposed on the upper and lower face...
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WO/1991/017875 |
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 ...
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WO/1991/015438 |
A ceramic high-temperature member, wherein, when it is used as a member exposed to high temperature, such as a gas turbine member, the mechanical strenght is not lowered, and, the reliability, service life as well as the thermal efficien...
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WO/1991/011653 |
An apparatus for coating the outer surface of an elongated body (10), such as a rod or tube, with a layer of concrete (30) comprises a frame structure (21). Pipe or tube sections (10) may be supplied to a tilting device (27) in a horizon...
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WO/1991/010546 |
A mould for casting a hardenable substance within a space between at least two separable mould halves (10, 11). In order to facilitate separation of the moulds, the inside of each mould (10, 11) acts as a support surface for a plastics i...
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WO/1991/010545 |
This invention provides an apparatus usable for molding under high pressure, in which, when slip casting is applied to super-fine powder for porcelains and fine ceramics, no clogging occurs and high efficiency as well as high accuracy is...
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WO/1991/008091 |
In machines for moulding block stones a cellular mould (8) is used underneath a compacting head (12) having press plates (16) that can be pressed down for compressing the concrete mass in the moulding cells (10) and for pressing out the ...
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WO/1991/006706 |
A set of shaped bricks for paving with broad joints (50) between the bricks, in which: (a) the set of shaped bricks has first bricks (4) with a larger area in plan and second bricks (6) with a smaller area in plan; and (b) only one of th...
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WO/1991/004779 |
Described is a process for producing semi-finished articles with a multiplicity of channels preferably parallel to each other at least in a given plane, in particular honeycomb products. The process comprises the following steps: a lamin...
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WO/1991/003360 |
Reinforced concrete building products are manufactured using a two-part mould (2, 3), the two parts being hinged together about an axis (4) which is adjacent an edge of each part-mould (2, 3). Glass-reinforced concrete is applied to each...
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