Patents for F16L 9 - Rigid pipes (18,006)
09/1999
09/29/1999CN1229892A Method of producing aluminium alloy tube
09/28/1999US5958602 Comprising two pipe bodies of different diameters overlapped and one of the surfaces plated with copper to provide brazing layer; for automotive vehicles or machines and apparatus as oil or gas feed pipe or fuel injection pipe for diesel engine
09/28/1999US5958532 Fuel pipe comprising inner fluorocarbon layer having evaporative emission resistance and outer layer of thermosetting or thermoplastic elastomer chemically bonded to fluorocarbon layer; chemical resistance
09/28/1999US5958315 Automobile wiring harnesses
09/23/1999DE19826950C1 Protective tube for a supply line especially a plastic or plastic-coated media transport pipe such as a water or heating pipe
09/22/1999EP0767881B1 Fluid circulation pipe
09/16/1999WO1999046529A1 Detectable synthetic conduit and connecting means thereof
09/16/1999DE19810856A1 Internally lined, large-diameter plastic tubing with spiral windings of rectangular cross section
09/16/1999CA2321880A1 Detectable synthetic conduit and connecting means thereof
09/15/1999EP0941428A2 Component kit for a chain link adaptable to different uses
09/15/1999CN2338577Y Metallic composite pipe fittings
09/15/1999CN2338576Y Metallic composite tube or pipe
09/15/1999CN2338575Y Means for quick connecting pipeline
09/14/1999US5951812 Joining member and method of joining two conductive pieces of fiberglass reinforced plastic pipe
09/10/1999WO1999045304A1 Conduit with at least one end forming a connecting section, and corresponding connection
09/09/1999DE19909436A1 New method for production of steel pipe with three layers
09/09/1999DE19808278A1 Component draining electrical charge, in liquid storage and transport
09/08/1999EP0940621A1 Sealed, sound damping pipe for gaseous fluid transport,and method for manufacturing the same
09/08/1999CN2337384Y Ceramic lining composite cast tube
09/02/1999WO1999043952A1 Component with a bore
09/02/1999DE19808610A1 Bauteil mit einer axialen Durchgangsbohrung Component with an axial through-bore
09/01/1999EP0939262A2 Composite hose
09/01/1999EP0939261A1 Laminar-flow flexible metal hose and method for manufacturing the same
09/01/1999CN2336174Y Bridge type water filter tube with screw mouthpiece
08/1999
08/31/1999US5944999 Purifying a fluid
08/25/1999EP0937933A1 Flexible pipe for great depths
08/24/1999US5941286 Composite fuel and vapor barrier tube and process for making same
08/19/1999WO1999041538A1 Multi-layer tubing having at least one intermediate layer formed from a polyamide alloy
08/19/1999WO1999041073A1 Multi-layer tubing having at least one intermediate layer formed from a polyamide/polyketone alloy
08/18/1999EP0936389A1 Pipe for conveying a gaseous medium, particularly for use in motor vehicles and method of fabrication
08/18/1999EP0935725A1 Pipe coupling
08/18/1999EP0935723A1 Corrosion- and fire-resistant pipe system
08/18/1999CN2333859Y Combined wear-resisting alloy pipe
08/18/1999CN1226309A Multi-lalyer tubing assembly for fluid and vapor handling system
08/17/1999CA2132478C Concrete column forming tube having a smooth inside coated surface and method of making same
08/17/1999CA2114484C Multilayer plastic pipe
08/12/1999WO1999040151A1 Pipe, especially a pressure pipe
08/11/1999CN2332864Y Combined flue pipe
08/11/1999CN2332863Y Glass reinforced plastic and high density polytene composite pipe
08/10/1999US5934556 Spray nozzle carrier
08/10/1999US5934336 Ethylene-tetrafluoroethylene inner layer, adhesive comprising polymer alloy, outer polyamide layer; high strength
08/10/1999US5934334 Casing spacers
08/10/1999US5933945 Composite coiled tubing apparatus and methods
08/10/1999CA2185815C Method for making upset ends on metal pipe and resulting product
08/04/1999EP0932793A1 Piece of piping through which waste gas flows of a system of pipes carrying waste gases, and this system of pipes
08/04/1999CN2331816Y Plastic foamed blast pipe
08/04/1999CN2331815Y Industrial plastic water-supply pipe and pipe fitting
08/04/1999CN1044453C Method for producing scaly glass fibre reinforced plastic tube
08/03/1999US5932306 Corrosion-and-chipping-resistant resin coating structure for stainless steel pipes
08/03/1999US5931201 Multi-layer tubing assembly for fluid and vapor handling systems
07/1999
07/29/1999WO1999037947A1 Multipurpose group, and industrial robot equipped therewith
07/29/1999WO1999037945A1 Multiple pipe comprising an envelope
07/29/1999CA2319270A1 Multipurpose group, and industrial robot equipped therewith
07/28/1999EP0931761A1 Method and device for connecting fluid-containers by a system of pipes with backup pipes
07/28/1999EP0930931A1 Modular filtration system
07/27/1999US5927346 Concrete pipes and methods for the manufacture thereof
07/23/1999CA2227805A1 Method and apparatus for joining helically wound pipes
07/21/1999EP0929767A1 Flexible conduit
07/21/1999EP0811041B1 Method of dyeing polyester and polyester-containing textile materials
07/21/1999CN2329827Y Corrugated tube with internal mosaic plastic tube
07/20/1999US5924457 Pipe and method for producing the same
07/15/1999WO1999035430A1 High resistance polypropylene tube
07/15/1999DE19800508A1 Concrete pipe with basket-form steel reinforcement, for water drainage systems
07/14/1999EP0928920A1 Oil well pipe
07/14/1999EP0664864B1 Corrugated multilayer tubing having fluoroplastic layers
07/14/1999CN2328844Y Wear resistance corrosion resistance pipe
07/14/1999CN2328843Y Foamed inner screw low noise pipe
07/14/1999CN1044099C Manufacture of internally enhanced welded tubing
07/13/1999US5922089 Method of dyeing polyester and polyester-containing textile materials
07/13/1999US5921285 Composite spoolable tube
07/08/1999WO1999034141A1 Double-walled pipeline with pretensioned inner pipe
07/07/1999EP0927318A1 Connector system for use in ultra-high vacuum systems
07/07/1999CN2327860Y Steel-plastic composite pipe
07/07/1999CN2327859Y Oil transferring pipeline with cold wall to depressurize
07/07/1999CN1221862A Aluminium sandwiched or copper sandiwiched polyethylene composite tube forming appts.
07/07/1999CN1221861A Colour composite tube
07/06/1999US5918644 Air duct and method of making same
06/1999
06/30/1999EP0926413A2 Fluid transporting pipes and methods of making them
06/30/1999EP0925913A1 Thermoplastic laminate comprising a linear alternating polymer of carbon monoxide and ethylenically unsaturated compounds
06/30/1999CN2326810Y Combined thermal contraction sleeve
06/30/1999CN2326809Y Multifunction inorganic glass-fiber reinforced plastic windpipe
06/30/1999CN1221086A Structure and making method for compound reinforced tube waved by super high molecular weight polythene
06/29/1999US5916945 Antistatic and adherent compositions based on polyamide
06/29/1999US5915412 Cover assembly for covering undersink piping
06/24/1999WO1999031424A1 Composite pipe made of metal-plastic for hydro-thermo-sanitary plants and method for the production thereof
06/24/1999WO1999031423A1 Metal pipe with cuff for forming pipe joint
06/24/1999DE19755925A1 Profile pipe
06/24/1999CA2315333A1 Metal pipe with cuff for forming pipe joint
06/23/1999EP0924063A1 Thermoplastic laminate comprising a linear alternating polymer of carbon monoxide and ethylenically unsaturated compounds
06/23/1999EP0814917A4 Fluoropolymer composite tube and method of preparation
06/23/1999CN2325622Y Liquid supply pipe products made of glass fibre reinforced plastic
06/23/1999CN2325612Y Spiral web reinforcing pipe
06/22/1999US5914163 Reduced crush initiation force composite tube
06/22/1999US5914041 Reverse osmosis unit having purified liquid collection cavity and membrane placed deep within a vertical channel filled with unpurified liquid which provides pressure to cause permeate to flow through membrane into cavity
06/22/1999US5913337 Spoolable composite tubular member with energy conductors
06/18/1999CA2256226A1 Multilayer polymer structure
06/16/1999CN2324361Y Special scale-resistant compound tube
06/16/1999CN2324360Y Insulation vacuum tube
06/16/1999CN1220024A Multi-layer reinforced and stabilized cable construction
06/16/1999CN1220001A Pressure tube of plastic material