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WO/2004/011222A1 |
A method of manufacturing a pipe (10), comprising the steps of fixedly inserting the end peripheral part of a pipe body (4) into a cavity (2) forming a metal mold for injection molding and integrally forming a connection part (13), havin...
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WO/2004/008016A1 |
The invention relates to a method for joining and/or sealing thermoplastic pipes (1 a, lb) by positioning the ends to be joined to abut each other. The invention is characterized in that a thermoplastic sheet (2) or sleeve is applied aro...
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WO/2004/005789A1 |
The invention concerns an assembly for fixing two thermally non-expansible thermoplastic tubular elements (1, 2) characterized in that it comprises a first thermally non-expansible thermoplastic tubular element (1) including a fixing zon...
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WO/2003/100310A1 |
A method and apparatus for joining plastic pipes (10) is disclosed. An annular flange (20) is threaded onto an end portion of a plastic pipe (10) followed by the threading of an annular electrofusion coupler (30) onto the end portion of ...
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WO/2003/091617A1 |
The invention relates to a pipe connection for mutually connecting two pipe pieces made from fibre-reinforced plastic, comprising: an external screw thread arranged on a male end of a first pipe piece, an internal screw thread arranged o...
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WO/2003/078884A1 |
An annular recess portion (7) is provided in an end face of a synthetic resin-made first joint member (2) and an annular projection portion (8) is provided on an end face of a synthetic resin-made second joint member (3). The projection ...
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WO/2003/076840A1 |
The invention relates to a device for connecting a component (4) to a body (2), whereby said component (4) contains in particular a heating element (42) and can be fixed in relation to the body (2). The aim of the invention is to improve...
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WO/2003/070451A1 |
The invention relates to a method and a device for connecting a plastic line part in a plastic socket. A head end (9) of the line part (6) is heated contactlessly all the way round until said end curls over to a diameter that is greater ...
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WO/2003/064915A1 |
The invention relates to a coupling (1, 2) for pipes (9, 10, 17, 18, 19) used in a geothermal probe device , characterised in that the above is made from a block of thermoplastic material (1, 2) with a first plane face (20, 21), in which...
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WO/2003/062695A1 |
The invention relates to a fitting that can be connected to a pipe. Said fitting contains a sleeve (2), in which a body (14) can be axially displaced along a sleeve axis (12), whereby the body (14) has a drill (16) for drilling into the ...
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WO/2003/060371A1 |
A pipe fitting for connecting at least two pipes, the pipe fitting (1) comprising at least two layers. An innermost layer (2) and an outer layer (3) are of different materials. The innermost layer (2), which gets into contact the liquid ...
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WO/2003/059604A1 |
When resin members (3, 4) are fused to each other by electrification-heating, a net-form or pattern-form metal wire (2) as a resistance heating element is disposed at the joint portions of the resin members (3, 4), and the metal wire (2)...
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WO/2003/060372A1 |
Methods for connecting, to each other, the ends of plastic pipes formed by inserting fiber-reinforced material between tubular inner and outer layers formed of resin, the method for connecting, to each other, the ends of the plastic pipe...
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WO/2003/058111A1 |
The invention relates to a device for tapping a conduit (10), which conducts a flowing fluid. Said device comprises a housing (2), which has a principal part (4), a fixing part (8) running flush with the principal part (4) for fixing to ...
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WO/2003/042590A1 |
A butt-wrap joint, comprising a plurality of wraps 520¿1? - 520¿n? of material wetted with a thermosetting resin and wrapped circumferentially about two abutting pipe ends101, 201. The first wrap is disposed relative to the respective ...
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WO/2003/036149A2 |
The present invention is directed to a welded flange connection (50) and to methods and apparatus for producing the connection. A weld insert (20) is disposed between the flared ends (54, 58) of abutted plastic pipe (52) or plastic-lined...
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WO/2003/029710A1 |
A fitting (21) for providing a substantially fluid-tight seal between an opening in a chamber wall (10) and a pipe (4) passing through said opening, said fitting comprising: (i) a tubular sleeve (22) adapted to pass through the opening i...
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WO/2003/029717A1 |
An electrofusion coupling for joining together two or more sections of pipe or for joining a section of pipe and a pipework fitting, said coupling comprising: (i) a first part (14) having a first internal diameter at a first end adapted ...
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WO/2003/018296A1 |
A method for sealingly coupling a pipe and at least one union made of plastic materials, comprising the steps of formation of a first element consisting of an end section (2, 3) of a pipe (T) with a substantially constant predetermined e...
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WO/2003/016768A1 |
A composite pipe (1) has a removable layer (4) formed by winding a nonwoven fabric on the outer face of a vinyl chloride pipe (10) and an FRP layer (2) on the removable layer (4). This removable layer (4) may be made of not only the nonw...
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WO/2003/004207A2 |
A high gloss sheet or pipes or tubes or connector joints prepared from a metallocene-produced polyethylene having a density of from 0.910 g/cm?3¿ up to 0.966 g/cm?3¿, or up to homopymer densities, and a melt index MI2 of from 0.01 to 2...
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WO/2002/099330A1 |
The invention relates to a hydraulic pipe for underground use, consisting of a pipe element (1) and two corresponding coupling elements located on the ends thereof, said elements having flanges (4, 4) for detachably connecting adjacent p...
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WO/2002/099329A1 |
A device (20) is used for connecting conduit (22) to enclosure (24). The enclosure (24) has a first surface (26), a first aperture (28) extending therethrough and a plane (30) of surface 26 is not perpendicular to an axis (32) of conduit...
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WO/2002/090186A1 |
An underground beverage chase system is provided for receiving a plurality of tubing (12) installed therethrough for delivering food and beverage material from at least one location to at least another location through the underground ch...
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WO/2002/086371A1 |
A coupling assembly (10) for plastic pipes (12) including a nut (14), a body (20), a grip-ring (16) and a seal (18). The nut (14) can engage the body (20) through appropriate threads (28) and includes a hooked projection (36) having a sl...
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WO/2002/081960A1 |
The present invention relates to a T pipe for connecting a reduced branch pipe to a main pipe and to a method for producing such a pipe. The invention is characterized in that said T pipe comprises a thermoplastic connection piece (1) in...
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WO/2002/079683A1 |
A pipe fitting according to the invention comprises a body (1.1) and a nut(2), the body (1.1)having at least one sleeve adapted to snugly receive a pipe end (7) and provided with external threading(14) and a spigot(11), the spigot(11) ha...
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WO/2002/066881A1 |
A special fitting consisting of four sub components. The main boby of 1 has a thread on to which the conical threaded ring 2 is mounted by tightening, in-between the thread of teh body 1 and the conical part 9, the wall of the layflat ho...
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WO/2002/053343A1 |
A method of heating a substrate (11, 12) and a coating (14, 16) on the substrate (11, 12). A susceptor element (22) is applied on the coating (14, 16) and the element (22) and the substrate (11, 12) are inductively energized to cause the...
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WO/2002/050469A1 |
The present invention relates to a pipe coupling (10) of the type where a pipe (12) is freely insertable into the coupling (14) and where a nut (44) causes engagement of a grip ring (38) and gasket (28) with the pipe (12) to provide a se...
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WO/2002/044608A1 |
Tapping fitting (1) suitable for application to a plastic pipe (P), comprising: a housing (5) including a hollow main section (6), the housing being attachable to a pipe (P); a cutter assembly (13) mountable within the hollow main sectio...
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WO/2002/037017A1 |
The invention relates to a self-tapping clamp for tapping pipes. Said clamp comprises a drilling element (1), a stop valve (2), a rotatable operating spindle (3) via which the stop valve (2) can be operated and the drilling element (1) c...
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WO/2002/036644A1 |
A linear polyethylene which is produced by the use of a Ziegler-Natta catalyst and satisfies the requirements described in the following (1) to (6): 0.20 to 0.50 g/10 minutes in terms of a melt flow rate (190 °C, load: 5.00 kg), 0.948 t...
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WO/2002/033304A1 |
Disclosed herein is a variable angle elbow for connection of water supply hoses. The variable angel elbow of the present invention includes a first elbow part (11) having a linear, tubular shape. A second elbow part (12) having a linear,...
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WO/2002/030653A2 |
Method of applying a heat activatable covering (24) to an area of a substrate coated with a heat sensitive coating (14,16) that has a melting point or a softening temperature lower than an activation temperature for the covering (24). Th...
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WO/2002/026477A1 |
A host computer checks the index of work data stored in an electric fusion welding device against the index of work data transferred to the host computer. The host computer requests the transmission of not-yet-transferred work data to th...
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WO/2002/011973A1 |
The invention relates to a device for connecting components (1, 2, 3), which consist of fusible plastic, in particular the pipes (12, 60) of a fuel supply conduit or similar to a fuel tank (8) of a vehicle. Said device contains a heating...
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WO/2002/002978A2 |
A joint between a fluid connector body (42) and a metal tube (46) carrying a plastic outer layer is formed by spin welding, wherein the portion of the connector body which is configured to receive the tube defines an end surface which en...
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WO/2001/098702A1 |
The invention relates to a coupling for connecting two pipes, in particular for the connection of sewage pipes.
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WO/2001/096971A2 |
A combination junction provides a fluid, electrical-power and control-signal connections. A combination tap (200) comprises a flow probe that pierces a main conduit (100) when it is attached to it. It thereby provides fluid communication...
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WO/2001/096778A2 |
A tapping stop valve comprising a housing which can be electrically welded to a pipe and which contains a connection piece (2) with a drill (24) disposed therein in order to drill the pipe. The connection piece (32) has an inner surface ...
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WO/2001/094833A1 |
A plastic fitting (10) couples a section of tubing (28) with a flared end (29) to a fitting body (12). In a preferred embodiment, the flared end wall (29) has an expanded s-shape in the cross-section and the plastic fitting (10) generall...
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WO/2001/092775A1 |
The invention relates to pipe joints for conveying fuels, water, hazardous gases and fluids operating at relatively high pressures. Metal pipes with welded joints have historically been used to provide electrical continuity throughout th...
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WO/2001/087584A1 |
An elongate tubular article extending along a longitudinal axis has a polypropylene covering. A polyolefin secondary covering is at least partially superimposed over the polypropylene. The secondary covering has an edge with a face exten...
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WO/2001/088282A1 |
A plumbing trap system (110) is provided with a pair of sanitary traps arranged in series between a first draining device (114) and the waste line. The first draining device (114) drains into the first, upstream sanitary trap (118) and t...
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WO/2001/077567A1 |
The present invention relates to a pipe-connecting part (12) provided on at least one of the pipe-ends (11) included in a pipe-connection (1) preferably for polyethylene pipes intended for high media pressures. The pipe-connecting part (...
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WO/2001/066863A1 |
A pipe connector (10) including a joining portion (12) having a port (14) for connection of a first pipe thereto, the joining portion also having a wall for connection of a second pipe thereto, the second pipe being able to be connected ...
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WO/2001/057424A1 |
A device (20) is provided for mounting and deploying a shrinkable clamp for hose and tubing. The device includes an annular housing (22) in the form of a partial cylinder having a first diameter and longitudinal opening (24) defined alon...
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WO/2001/056731A1 |
A system and apparatus for and method of fusing a wrap (17) to a portion of a length of plastic-coated (12) pipe (10) are disclosed. The system comprises a thermoplastic piece shaped to conform to the portion of pipe, the piece including...
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WO/2001/050059A1 |
The invention relates to a device for connecting two pipes consisting of a composite material that is based on a reinforced thermoplastic substance. Said device comprises a sleeve (40) which is threaded on its inside wall, for joining to...
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