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Patent Searching and Data


Matches 701 - 750 out of 6,992

Document Document Title
WO/1996/018064A1
A pipe is assembled from sections (10, 12) of a liner pipe formed of a moulded glass reinforced plastics material (GRP). A sleeve (14), also of moulded GRP, sealingly surrounds the joint between the sections (10, 12). An outer pipe of po...  
WO1996009493A3  
WO/1996/014531A1
Ducts for transporting and/or distributing fuel gases and liquefied gases, including a polyethylene layer and an inner and/or outer polyamide layer. Such ducts may advantageously be joined together by adhered sleeves to form medium- or l...  
WO/1996/010710A1
A screw joint of an oil-well pipe having a high seizure resistance. The threaded portion and metal seal portion of the pipe has a manganese phosphate chemical conversion treatment coating layer of 5 to 30 'mu'm thickness or a double-laye...  
WO/1996/010147A1
Discharge pipe for discharging hot substances, which discharge pipe consists of an outer pipe, and an inner pipe placed coaxially inside the outer pipe, the inner pipe and the outer pipe enclosing a space, which is filled up with insulat...  
WO/1996/009486A2
An elongate deformable conduit and method of fabrication thereof adapted for the subterranean conveying of petroleum products and petrochemicals has an inner copper tube to which is bonded an outer layer of flexible polyvinyl chloride up...  
WO/1996/009493A2
A refractory tile adapted for protecting boiler tubes from the corrosive and erosive effects of a hot gas stream comprises an elongated ceramic body covering only that side of a boiler tube upon which the hot gas impinges. The tile is hu...  
WO/1996/006710A1
A process for renovating pipes in which internal deposits in the pipe are removed by flowing abrasive agents and the pipe is coated internally with a viscous, curing material is performed to obtain a conveyance quality comparable to that...  
WO/1996/004137A1
An article for wrapping objects comprising a plurality of layers, including a first layer of a wrap material, an intermediate layer of an adhesive material and an inner layer of a solids material, said article providing resistance to cat...  
WO/1996/004500A1
An anode cable installment system in which the apparatus may comprise a plow (30) for creating a tunnel; a conduit (38) for delivering a linear anode (16) to the tunnel; and a chute (34) disposed proximate the conduit (38), the chute (34...  
WO/1996/003222A1
A method for providing a protective coating on an underground or underwater pipeline tube (1), said coating including at least one polypropylene and/or polyethylene layer. The method comprises the steps of depositing at least one layer (...  
WO/1996/002785A1
In this invention a pipe (1) which is suitable for use in underground pipelines and the like comprises an inner tubular member of plastics or metal (2) around which is a layer (3) of bitumen or plastics material surrounded in turn by a w...  
WO/1996/001965A1
Gas pipe extenders to compensate for movements in ground-laid gas supply pipes caused by mining operations have been found to leak owing to their construction or have been inadequately extendible or capable of insufficient lateral moveme...  
WO1995033953A3  
WO/1995/035461A1
An article, for example a pipe (11a, 11b), has a first covering (13a, 13b) such as a polymer layer, and a second covering, such as a repair patch (18a) or a repair deposit of melt-on adhesive (22) or a wrap or a sleeve (16) protecting a ...  
WO/1995/033953A2
Improved pipe-coating materials (10) and methods, and improved coated pipes (30) formed thereby, in which a thermally insulating coating is formed from a strip of striated insulating material (10), such that individual bars (16) of said ...  
WO/1995/033579A1
A process for treating metal pipe in the field is provided, for repair, rehabilitation of protection. The process comprises coating at least part of a pipe surface with first an undercoat of a thermosetting polymer such as a polyurethane...  
WO/1995/030109A1
A multi-layer tube (10) comprises a metal tube (12) having an outer surface (13) and a zinc layer (14) bonded to the metal tube outer surface (13), wherein the zinc layer (14) is selected from the group consisting of zinc plating, zinc n...  
WO/1995/029275A1
An elongate electrode, usually an anode, is provided, suitable for use in an impressed current corrosion protection system. The electrode comprises a central elongate core (4), usually a metal such as copper, an optional conductive polym...  
WO/1995/024433A1
A curable poymeric composition (6) which is a liquid at 20 �C and which comprises 25 to 60 % by weight of a resin component which comprises an epoxy, 5 to 25 % by weight of a curing agent which comprises two components, a first compone...  
WO/1995/022713A1
Means for securing a polymer pipe liner (14, 16) to the inner surface of a pipe comprises an end piece (100, 101) consisting of a hub portion (102) and a corrosion resistant metallic insert (104). The polymer hub is fusion welded to the ...  
WO/1995/022028A1
A plumbing fixture (10) for carrying drinking water comprised of metal, particularly of copper and its alloys with portions of zinc and lead, which is provided with a lining or coating of tin (18) disposed on at least the interior surfac...  
WO/1995/019853A1
Apparatus (10) and method applying a coating to the interior of a pipe (13), a coating station (11) contained within an oven (12), means (14, 15) releasably supporting a selected length of pipe (13) rotatably and in horizontal dispositio...  
WO/1995/019522A1
Pipes for the brake, fuel supply or hydraulic system of a motor vehicle have an inner steel tube (1) with an outer zinc coat (3) covered by an outer olive-coloured chromated layer (5) wrapped in a plastic enveloping layer (7) formed by e...  
WO/1995/016160A1
A method of providing corrosion protection to a joint area in a weight coated marine pipe line and a tape suitable for use in that method. The pipe line comprises a plurality of pipes (2) each with an anti-corrosion coat (4) and a weight...  
WO/1995/014879A1
A conduit coupling (20) is comprised of a male conduit (22), a mating female member (24), means for sealing (26) and a fastener (28) to couple the male conduit (22) to the female member (24). The male conduit (22) has a first and second ...  
WO/1995/013917A1
A metal pipe and method of forming the same with an integrally formed liner (16) for use in corrosive and abrasive environments is disclosed. The liner (16) is comprised of a relatively thick high density polyethylene which is thermally ...  
WO/1995/012087A1
A tape (2) covering for elongate substrates such as metal pipes (1) is provided. At least one edge of the tape is chamfered (5), and in preferred embodiments the angle of the chamfer is no greater than 25� especially no greater than 7...  
WO/1995/011863A1
Cement liners for metal pipes include a fibrous material, such as glass fibers, to prevent cracking and/or inhibit crack propagation.  
WO/1995/012086A1
The subject invention provides a flangeless pipe joint for polymer-lined transfer or polymer-lined process piping, in particular slip-lined, loose-lined, interference fit, or swaged polymer-lined piping systems. The subject invention fur...  
WO/1995/009999A1
A line for conveying fluids comprises a metal tube (1) and a plastic cover (4). The metal tube is formed of flexible corrugated tubing (1). The plastic cover (4) is disposed on the metal tube by extrusion, wherein the cover is attached t...  
WO/1995/009320A1
A process for sanitising piping is disclosed. The piping open at least at two ends is dried with pre-heated air, inner coatings are removed by a flow of abrasive medium, the piping is if required heated with pre-heated air and finally pr...  
WO/1995/006088A1
A co-polymer composition (28) for coating porous structural material (21) includes a compatible surfactant resulting in a structural inter-bonding between the coating composition (28) and the structural material (21). The co-polymer comp...  
WO/1995/004646A1
The invention relates to a process for making a tubular cladding hose (20), especially for use in duct rehabilitation work, in which at least one fibre belt is shaped into a curable, resin-impregnated hose. The inside of the cladding hos...  
WO/1995/004239A1
Pipe or pipe fitting provided with an outer coating comprising a first zinc layer; on this layer, a second porous zinc/aluminium layer containing from 5 to 55 % aluminium; and on this second layer, a third porous, pore filling layer comp...  
WO/1995/003895A1
A method of providing a protective skin around a core (20) of an umbilical structure comprising the application of one or more lines of fluent covering material to the surface of the core to form a substantially even and regular coating ...  
WO/1995/002018A1
The invention concerns coating powders containing epoxy resins, phenolic cross-linking agents, catalysts, fillers and, optionally, auxiliaries and additives. The coating powders are characterized in that crystalline silicilic acids modif...  
WO/1994/028342A1
A multi-piece, pipe joint seal (18, 19) has a slidable interface (A) between seal pieces. The slidable iterface (A) allows for slippage between pieces during pipe joint assembly and disassembly, minimizing rotational and other stresses o...  
WO/1994/026426A1
A pipe of the type used in subterranean or submerged pipelines for recovery of oil, gas, slurries or the like pipeable materials has an anti-corrosion coating of epoxy resin having a film thickness of from about 350 mum to about 500 mum,...  
WO/1994/025790A1
A tubular lining hose (1) for use in softlining pipe rehabilitation which includes the use of a layer of reinforcing fibers (3) to reinforce the lining hose (1). A layer of reinforcing fibers (3), such as fiberglass, is encapsulated betw...  
WO/1994/023845A1
A process is described to realize a film made of an adequate resinous material on the internal surface of metallic pipes, particularly those made of aluminium, to protect them and further allow for particular uses for which they could no...  
WO/1994/022598A1
The invention concerns a three-coat coating system for metal pipes, the coating system being made up of a powder primer, a thermoplastic adhesive and an outer polyolefin sheath. The powder primer contains epoxidized novolak resins, pheno...  
WO/1994/022661A1
A pipe (10) of polyethylene is reinforced by two layers (12, 14) of polyethylene tape wound around the pipe in opposite directions under tension. The pipe contains carbon black and the layers are unpigmented and free from fillers and are...  
WO/1994/019640A1
The piping element is provided with an outer coating comprising a first porous layer consisting of zinc/aluminium alloy containing from 5 to 60 % of aluminium and, on said first layer, a second layer called pore occluding layer. Applicat...  
WO/1994/019641A1
In the laying of straight stretches of heat insulated district heating pipes it is known that the usual problems with respect to thermally conditioned expansions and contractions can be entirely avoided, if the pipes are of annealed copp...  
WO/1994/018418A1
A plastic liner (200) for protecting a concrete manhole interior surface from corrosion wherein the liner includes provisions for creating a strong interlock between the liner and the interior surfaces. A side of the liner which includes...  
WO/1994/017324A1
A heat-recoverable article (2) with improved impact strength and increased resistance to swelling. The article is composed of a first backing layer (6), a second inner layer (8), and an optional adhesive layer (10), e.g. a hot-melt adhes...  
WO/1994/013992A1
A pipe and method of manufacture of the pipe are described. The pipe comprises a core of helically wound steel strip embedded in a plastics material matrix and lined with inner and outer linings of filament wound fibre reinforced plastic...  
WO/1994/012828A1
The subject invention provides a flangeless pipe joint for polymer-lined process piping, in particular loose-lined, interference fit, or swaged polymer-lined piping systems. The subject invention further provides a process for manufactur...  
WO1994010408A3  

Matches 701 - 750 out of 6,992