Patents
Sitemap › F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general › F16L - Pipes; Joints or fittings for pipes; Supports for pipes, cables or protective tubing; Means for thermal insulation in general › F16L 9 - Rigid pipes
Patents for F16L 9 - Rigid pipes (18,006)
12/2000
12/13/2000CN2410513Y Steam direct-imbedding insulating pipe
12/07/2000DE19925097A1 Composite pipe manufacturing process to reduce water and oxygen permeability uses an inner layer of PVDC and an outer layer of another plastic
12/07/2000DE19922095A1 Ceramic inner chimney tunnel element has wall with hollow spaces forming offset channels running lengthwise along chimney tunnel, where channel forms half of total wall volume
12/07/2000CA2308258A1 Reinforced flexible tubing for fluid handling systems and method
12/06/2000CN2409399Y Metal truss composite pipe
12/06/2000CN2409398Y Composite metal pipe
12/06/2000CN1059263C Pipe for conveying fuel
12/05/2000US6155450 Composite shell shaped as a body of revolution
12/05/2000US6155304 Reinforced flexible tubing for fluid handling systems and method
11/2000
11/29/2000EP1054768A1 Multi-layer tubing having at least one intermediate layer formed from a polyamide/polyketone alloy
11/29/2000CN2408342Y 复合管 Composite pipe
11/29/2000CN2408341Y Steel super long enamelled anti-corrosion pipeline
11/29/2000CN2408340Y Large screw winding angle glass fibre reinforced plastic pipe
11/29/2000CN2408339Y Fibre winding glass fibre reinforced plastic sand sandwiched fabric pipe
11/29/2000CN2408338Y Reinforced glass fibre air pipe
11/29/2000CN1274821A Multilayer tubular assembly with foamed coating
11/29/2000CN1274640A Multi-layered tube device for fluid and steam treating system
11/28/2000US6152260 Method of filling cavities in workpieces or semi-finished products and structural components parts for mounting on or in a motor vehicle
11/23/2000WO2000069968A1 Semiconductive polyvinylidene fluoride resin composition
11/22/2000EP1054202A2 Multilayer fuel pipe
11/22/2000EP1053866A2 Multi-layer tubing assembly with foamed outer layer
11/22/2000EP1053864A2 Multi-layer tubing assembly for fluid and vapour handling systems
11/22/2000EP1053427A1 Multi-layer tubing having at least one intermediate layer formed from a polyamide alloy
11/22/2000EP0857272A4 Fire resistant pipe
11/22/2000CN2407211Y Structure of liquid draiange
11/22/2000CN2407210Y 铜塑复合管 Copper-plastic composite pipe
11/22/2000CN2407209Y Steel pipe with flame-resistant insulating internal wall coating
11/22/2000CN2407208Y 复合管 Composite pipe
11/22/2000CN2407207Y Flame-resistant silencing wind pipe
11/22/2000CN2407206Y Large cross section prestress concrete culvert pipes
11/21/2000US6149393 Air lift pump
11/21/2000US6148866 Composite spoolable tube
11/21/2000CA2169391C Multi-wound metal tube, manufacturing method and apparatus therefor
11/19/2000CA2307452A1 Multi-layer tubing assembly with foamed outer layer
11/19/2000CA2288454A1 Multi-layer tubing assembly for fluid and vapor handling systems
11/16/2000DE19920059A1 Thermally insulated hose has an inner duct surrounded by at least one outer duct filled with a thermally insulating fluid
11/16/2000DE19919756A1 Double walled pipe, plate or container with leak detection unit
11/15/2000EP1051578A1 Multipurpose group, and industrial robot equipped therewith
11/15/2000CN2406135Y Plumbling pipe
11/15/2000CN2406134Y Steel-plastic composite tube formation apparatus
11/15/2000CN2406133Y Steel-plastic composite pipe-piece
11/15/2000CN1273171A Antistatic pipe taking polyamide as base for transport gasoline
11/14/2000US6146482 Method for designing high pressure low cost prestressed composite wrapped transmission line system
11/14/2000US6146052 Dynamic control cable for use between a floating structure and a connection point on the seabed
11/14/2000CA2258214C Improved vehicle including freeze stress resistant fluid conducting apparatuses
11/09/2000DE19921407A1 Tubular panel structure for heat exchanger has pre-positioned solder in grooves at mid-point between adjacent chambers, reducing subsequent assembly costs
11/08/2000EP1049895A1 Multiple pipe comprising an envelope
11/08/2000CN2405099Y Double aluminium surface synthesized silicon rubber air hose and joint therefor
11/08/2000CN2405098Y Plastic composite pipe (tube) with fibrous linings
11/08/2000CN2405097Y Combination type rentilation pipeline for air conditioner
11/08/2000CN1058329C Reinforced pressure plastic hose, and connecting piece thereof
11/08/2000CN1058214C Extrusion apparatus and method for orienting plastic material by using extrusion apparatus
11/07/2000CA2171414C Polyamide tubings for gasoline transportation
11/02/2000WO2000042343A3 Reinforced pipe and method of making
11/02/2000EP0760898B1 Double walled insulated tubing and method of installing same
11/02/2000DE19920034A1 Armored thermoplastic pipe for heavy duty applications e.g. offshore mining includes reinforcement of spirally wound strips of grid material or expanded metal
11/02/2000DE19919440A1 Hose with a corrugated inner surface and an end fitting comprises at least one sealing element of crystalline material between the inner surface of the hose and the outer surface of the end fitting
11/01/2000CN2403979Y Double-layer pipe
11/01/2000CN2403978Y Plastic pipe
11/01/2000CN2403977Y Shaped glass tube
11/01/2000CN1271838A 冷凝器 Condenser
11/01/2000CN1057960C Polyamide-based pipes for conveying petrol
10/2000
10/31/2000CA2190971C Double walled insulated tubing and method of installing same
10/26/2000WO2000062992A1 Spiral pipe using waste plastic material and manufacturing apparatus thereof
10/26/2000WO2000062991A1 Adhesive method for spiral pipe
10/26/2000WO2000009317A9 Ribbed core dual wall structure
10/25/2000CN2402901Y Composite pipe
10/25/2000CN2402900Y 复合塑料饮水管 Composite plastic water pipe
10/25/2000CN1057725C Synthetic resin corrugated pipe having concave-convex surface
10/24/2000US6135159 Composite conduit for carrying fuel oil
10/24/2000CA2174407C Casing spacers
10/19/2000WO2000061979A1 Multi-purpose underground utility conduit system
10/19/2000WO2000061978A1 Preparation of an end of a thermoplastics tube manufactured by spirally winding a hollow profile
10/19/2000WO2000061977A1 A manufacture method and manufacture device of stainless-plastic composite pipe
10/19/2000CA2368889A1 Preparation of an end of a thermoplastics tube manufactured by spirally winding a hollow profile
10/18/2000EP1044756A2 Stainless steel pipe and joining method thereof
10/18/2000EP1044240A1 Pipe, especially a pressure pipe
10/18/2000EP0826122B1 Pipeline made from extruded plastic composite piping with a sleeve connection
10/18/2000CN2401761Y Cohesion free prestressed concrete pressure pipe
10/17/2000US6131617 Safety-enhanced heat tracing
10/17/2000US6131616 Corrugated synthetic resin pipe
10/12/2000WO2000060001A1 Polyolefins and uses thereof
10/11/2000EP1043421A2 Austenitic stainless steel article having a passivated surface layer
10/11/2000EP1042629A1 High resistance polypropylene tube
10/11/2000EP0716632B1 Composite fuel and vapor barrier tube and process for making same
10/11/2000CN1269846A Device, drill member and method for masking member at thermo chemical surface treatment
10/11/2000CN1057364C Double walled heat insulated tubing and method for installing them
10/10/2000US6130404 Electro-optical removal of plastic layer bonded to a metal tube
10/10/2000US6129880 Pressing heated exposed portion with a force into a closure having an interior cavity formed by a bottom and side walls comprised a material compatible with a material from which logitudinally stretched, extruded polymeric sleeve is
10/04/2000EP1041113A1 Polyolefins and uses thereof
10/04/2000CN2399582Y Strip-shaped plastic sheets structure for making twisted plastic pipe
10/04/2000CN2399581Y Spiral downstream triplet for drainage
10/03/2000US6125891 Refractory u-bends and methods of manufacture
09/2000
09/28/2000WO2000056536A1 Fuel line
09/28/2000DE19913012A1 Rainwater delivery line e.g. for building water supply, has outer sleeve enclosing suction line with screw fitting and electrical sensor line with plug connection
09/27/2000EP1039201A2 Extruded multitubular device
09/27/2000EP1039200A2 Composite pipe made of metal-plastic
09/27/2000EP1038136A1 Metal pipe with cuff for forming pipe joint
09/27/2000CN1267802A Composite steel-plastic pipe fitting
09/27/2000CN1267801A Metal pipe with heat-insulating foamed plastic coating and its manufacture
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