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Patent Searching and Data


Matches 101 - 150 out of 3,977

Document Document Title
WO/2006/001742A1
A device for mounting an elastic sealing ring (2) on a bottom ring (5), which forms part of a casting mould for casting a concrete pipe provided with a socket and which is adapted to form the socket of the concrete pipe, causing the seal...  
WO/2005/105403A1
The invention relates to an element for delivering fluid and solid substances into a rotating matrix so as to produce glass fiber-reinforced centrifuge tubes and an associated device. The delivering element comprises a rod-shaped body in...  
WO/2005/095095A1
A method of forming a tubular conduit comprises providing first and second ring moulds (14, 16). A plurality of generally flat wall members (12) provide inner (22) and outer (20) liners for the tubular conduit. The method comprises defor...  
WO/2005/094495A2
A heating apparatus or platen (2) is provided with a heating surface (24) adjacent a hehat exchange fluid area (52) defined by the heating surface (24) attached by side walls and end plates (36) to a retainer plate (44) A flow through sy...  
WO/2005/049522A1
A method of forming a geopolymer moulded product comprising: forming a geopolymer concrete composition comprising an alkali or alkaline earth metal silicate component, an alkali or alkaline earth metal hydroxide, aggregate and water wher...  
WO/2005/039846A1
A method for the manufacture of a concrete pipe, comprising providing inner and outer contiguous, concentric, annular cavities, the inner cavity being defined between an upstanding core element and an upstanding separator element surroun...  
WO/2005/032784A1
A fibre reinforced cement (FRC) tubular body having a wall thickness to outer diameter ratio of less than around 0.050, preferably 0.035. A lathe assembly and method for forming an elongate tubular body, such as said FRC tubular body, is...  
WO/2005/032781A1
Vertical moulds are provided for making concrete pipes poles or piles. The mould can be opened along its length and has an internal flexible rubber or polymer liner (5) in which the edges of the mould shell (63), that seal together when ...  
WO/2005/023501A1
An improved mould for making cement posts particularly for use in laying out vineyard lines, consisting of a box-shaped element (1) containing a plurality of channels (11) arranged at regular intervals therein and having a circular cross...  
WO/2005/000549A1
A bottom ring (8) for a mould for casting a concrete pipe is adapted to form an end face of the concrete pipe. The bottom ring (8) has at least two through slots (9) which extend in the circumferential direction of the ring and are distr...  
WO/2004/103662A1
The invention relates to a device for the production of box-shaped or tubular products made from reinforced concrete, by moulding the conglomerate (11) under pressure, whereby the cavity, in which the product is formed, comprises an inne...  
WO2004062867B1
A method and an apparatus for the manufacture of concrete pipes (2) com-prising an outer layer, said outer layer forming the pipe (2) itself, as well as an inner layer of greater density in surface structure, said inner layer being appli...  
WO/2004/045819A1
A plant for moulding and curing elongated concrete products such as poles piles and pipes which includes at least one vertical mould, support means above the mould to suspend the reinforcing material in the mould, pump means to fill the ...  
WO/2004/022294A2
The invention relates to the production of multi-layered concrete moulded bodies in a moulding machine comprising a moulding insert having a plurality of mould cavities. Relief structures are arranged in the lateral walls of said mould c...  
WO/2004/020165A1
A method and apparatus are disclosed for casting hollow-core concrete products, in which method concrete mix is fed into a mold of a delimited cross section traveling on a casting bed. According to the invention, the concrete mix is comp...  
WO/2003/090988A1
A method of moulding long concrete articles in a vertical mould which incorporates a mould liner (17) with drainage tubes (5) used to dewater the concrete when the mould is filled. The improvement is to close off the drainage tubes (5) d...  
WO/2003/086723A1
The invention relates to a method for manufacturing a shaft bottom part from concrete that comprises lateral exits in the wall. According to said method, a support cage (5) with retaining shoulders (5a) to which molded elements (8) for t...  
WO/2003/080941A1
A foundation element (20), symmetrical about a longitudinal axis thereof, and formed with a crust made of at least normal-strength concrete. The crust envelops a core made of aggregate material dispersed such that the size of the aggrega...  
WO/2003/080303A1
Disclosed are an electric pole manufacturing apparatus having an improved distal end, capable of reducing the cost, arranging tensile cores corresponding to a design load, and providing a high quality of the electric pole, and a method o...  
WO/2003/072327A1
The invention relates to a method for producing a manhole element, particularly a manhole ring (4), from concrete or reinforced concrete, comprising an upper edge (4c) and a lower edge (4b), whereby the upper and lower edges (4c; 4b) are...  
WO/2003/020482A1
The invention relates to the production of a building structure made of a hardening composition and fibres. The inventive method consists in applying at least one layer of said hardening composition and one fibre layer to a rotatable tem...  
WO/2001/066326A1
A securing device comprising at least one locking element (22) and at least one counter locking element (26) is provided on two exterior mold sections (14, 16). Said exterior mold sections can be moved in relation to one another and are ...  
WO/2001/062457A1
The invention relates to a method for the manufacture of well equipment with permanently mounted ladder steps, and wherein the method uses mould parts for forming a mould cavity, which mould parts comprise mould elements that will, follo...  
WO/2001/051264A2
The invention concerns the production of a straight cylindrical body by molding using a loose granular material hardenable in a mold cavity, whereby successive charges of the loose composition are fed into a mold cavity (4) and each new ...  
WO/2001/049633A1
The invention relates to a method and device for the production of components and semi-finished products made from synthetic graphite, in particular the production of graphite tubes. Said method comprises moulding a mixed mass, preferabl...  
WO/2001/010616A1
A method of casting concrete elements comprising one or more longitudinal hollow cores. When casting is started, forming means (4) provided in the apparatus are pushed through openings in a headplate located at the front end of the eleme...  
WO/2000/071317A1
A process of producing by moulding hollow, tubular parts with cylindrical, polygonal, truncated cone or other suitable shape, from a cement paste matrix containing 'GRC'-type fibres reinforced with carbon fibres or similar. The process c...  
WO/2000/066337A1
The invention relates to an installation for producing pipe elements by centrifugal casting, characterized in that it comprises a feed device (6) and modules (1 to 5). Each module comprises a rotationally mounted centrifugal casting moul...  
WO/1999/067163A1
A paper feed roller required to accurately transfer paper used in a printer, a fax machine and a copying machine; specifically, a paper feed roller which is lighter and less expensive than conventional ones and can be produced in quantit...  
WO/1999/050036A1
A mould is provided that comprises an outer mould (8), a mould core (9), and a profile ring (1) which consists of a ring-shaped part (2), into which a profile element (3) has been pressed to secure the profile element (3) as a consequenc...  
WO/1999/014025A1
The present invention relates to a method for producing hollow members made of concrete or polymer concrete in the shape of bars. To this end, this method uses a mould comprising a plurality of cores as well as an outer mould which later...  
WO/1998/057786A1
A plant for casting pipes comprising at least two stationary or vertically displaceable mould cores and at least two outer moulds with each their bottom ring to form the lower end portion of the pipes and for supporting this relative to ...  
WO/1998/056048A1
The invention relates to a method for producing a shaped body. According to the invention, a mixture of oxidic basic powders or a supraconductor material containing at least 30 % by volume flake-shaped primary particles, with a compositi...  
WO/1998/036886A1
A method of forming an internally linked concrete pipe (12) employs a substantially conventional rotatable cylindrical mould (10) which is rotated on a horizontal axis while a first concrete mix (12) is introduced into the mould. Thereaf...  
WO/1997/048535A1
In the application of an anti-buoyancy coating to a pipe, the positioning of a sheer transfer device around the pipe as the coating is being applied is controlled by a device comprising an arm (55) provided with a plurality of roller mea...  
WO/1997/022451A1
The invention relates to a process and a device for making a pipe. A fibre fabric or nonwoven (2), e.g. of polymer fibres, is soaked in a curing fluid, e.g. cement glue or plastic, and cured. The fibre fabric or nonwoven (2) is inserted ...  
WO/1997/020668A1
The present invention relates to an improved process and the relative equipment for lining concrete pipes and particularly ducts for sewage and irrigation uses. Said lining, consisting of bisphenolic, isophthalic, epoxydic, polyurethanic...  
WO/1997/014544A1
A collapsible core for casting e.g. tubular well articles, comprising an annular shell (1) which substantially forms a pipe having a longitudinal axis extending between the ends of the pipe, said shell (1) being flexurally flexible about...  
WO/1997/014909A1
A sleeve (10) for use as a mould for protecting, repairing or renovating a pipe (12) for transporting water, gas or other fluids. A liquid material such as polyurethane or epoxy resin is injected into the sleeve so that, as it polymerise...  
WO/1997/000733A1
Pipes (15, 15') of the type used in subterranean or submerged pipelines for the recovery of oil, gas, slurries or like pipe transportable materials from a subterranean well are coated sequentially in a flood coating station booth (20) in...  
WO/1996/030178A1
A system for the moulding of tubular goods, comprising at least one mould having an inner mould part and an outer mould part which together define a mould cavity and an annular pouring gate upwardly, said system additionally comprising a...  
WO/1996/010477A1
Methods and apparatus (50) for continuously extruding a hydraulically settable mixture (52) and simultaneously placing continuous filaments (64) within the extruding mixture (52) to yield articles having a filament-reinforced, hydraulica...  
WO/1996/007531A2
In order to produce pipes or tubular bodies from polymer concrete, mineral casting compound is introduced into the mould chamber (6) of a vertical mould device (1) which comprises a mould core (3) having different, axially displaceable t...  
WO/1995/016872A1
A sealing device for sealing an annular space between two pipe and portions substantially consisting of concrete. One of the pipe and portions forms a socket having a substantially cylindrical inner surface and the other pipe end portion...  
WO/1995/009373A1
This invention provides a capillary for optical fiber connectors which can be obtained at a low manufacturing cost, and a method of manufacturing the same. The capillary for optical fiber connectors according to the present invention com...  
WO/1995/009073A1
The invention concerns a method and device for producing concrete pipes of uniform length, the device having a core (1), an outer wall (2) and a pressure ram (11). The core (1) is displaceable coaxially inside the outer wall (2) and form...  
WO/1994/013449A1
An apparatus for centrifuging a tubular layer of hardenable liquid material, comprising a rotary mould (1) and a vibrating device (24, 42) including a roller (28, 28') with its axis lying in the vertical plane passing through axis XX of ...  
WO/1994/013448A1
A production system serves to automatically cast hollow bodies, in particular of concrete, in a casting mould, which comprises an inner mould (2), an outer mould (1), a bottom ring (3), and a top ring (4). Loose top rings (4) are used fo...  
WO/1994/012328A1
Compositions, methods, and apparatus for manufacturing sheets having a highly inorganically filled matrix prepared by mixing together an organic polymer binder, water, one or more inorganic aggregate materials, fibers, and optional admix...  
WO/1994/004330A1
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...  

Matches 101 - 150 out of 3,977