Patents for F16L 11 - Hoses, i.e. flexible pipes (15,317)
12/1991
12/24/1991US5074138 Expandable-contractible
12/17/1991US5072759 Reverse stranded conduit
12/12/1991DE4118023A1 Elastomeric tube for high pressures - has inner and outer elastomeric layers and between fibre reinforcing layers and inner layer are fibres which reduce in vol. under load
12/05/1991DE4017769A1 Hose conveying dangerous fluids - has outer hose which forms space supplied with substance which neutralises dangerous fluid
12/04/1991EP0459738A2 A control line
12/04/1991EP0459249A2 A device for connecting an exhaust suction hose to the exhaust pipe of a vehicle
12/03/1991US5069486 Flexible supporting sheath for cables and the like
12/03/1991US5069253 Flexible hose assembly
11/1991
11/28/1991WO1991017785A1 Catheters
11/27/1991EP0458666A1 Method of making a hollow structure for use in the storage of fluids under pressure
11/27/1991EP0458012A2 Cable guidance device and method of manufacturing
11/27/1991CN2089559U Water transfering soft tube for agriculture
11/26/1991US5068137 Rubbery laminate and composite hose
11/21/1991EP0456660A1 Wear indicator for material transfer systems.
11/18/1991WO1991018231A1 Flexible tubular pipe incorporating heating means
11/15/1991WO1991018050A1 Hose composition
11/12/1991US5064491 Processes for the manufacture of curved reinforcing elements
11/05/1991US5062457 Corrugated air hose assembly
11/05/1991US5062456 Kink-resistant, small bend radius hose with polyfluorocarbon liner
10/1991
10/30/1991EP0429448A4 Stabilized injection molding when using a common mold part with separate complementary mold parts
10/29/1991US5060697 Extruded buckling-resistant insertion mountable drain or venting hose for positioning in a hollow space of a motor vehicle body
10/29/1991US5060696 Plastic pipe comprising an outer corrugated pipe and a smooth inner wall
10/29/1991CA1291474C Flexible hose heat exchanger construction
10/23/1991EP0452378A1 Apparatus for pneumatic transportation of a particle material.
10/15/1991CA1290710C Reinforced hose
10/10/1991DE4110746A1 Multilayer rubber prod. - has layers of acrylic] and epichlorohydrin] rubbers plasticised with ether-ester(s) and ester(s) of aromatic acids
10/09/1991CN1055219A Construction for hanging freely auxiliary gushing tube in deep well
10/05/1991CA2039292A1 Multilayer rubber article
10/02/1991EP0449395A1 Helically wound corrugated hose
10/01/1991WO1991015694A1 Flexible tubular handling conduit and process and device using said conduit
10/01/1991US5052444 Reinforced fluid hose having on-bonded tape
09/1991
09/26/1991DE4035201C1 Spirally wound double tube for hydraulic use - includes plastic inner tube which is spiral and surrounded by pipe
09/25/1991EP0448256A2 Apparatus making thin laminate structures and forming the structures into lightweight, thin-walled tubes
09/24/1991US5050594 Adjustable respirator mask apparatus
09/24/1991CA1289487C Plastic pipe and method and appratus for manufacturing same
09/24/1991CA1289486C Hose with composite joints
09/19/1991WO1991014125A1 Composite tubing for use in marine production riser system
09/19/1991WO1991014074A1 Composite rod-stiffened pressurized cable
09/17/1991US5048572 Vibration damping heat shrinkable tubing
09/16/1991WO1991014123A1 Composite tubular member with axial fibers adjacent the side walls
09/12/1991DE4015111A1 Multi-compartment hose line for pipeline cleaning pig - has supply data and pulling cables housed in designated compartment
09/11/1991EP0445689A1 Tension-relieving device for a hose
09/10/1991US5047200 Method of making a fire hose
09/10/1991US5046764 Flexible supporting sheath for cables and the like
09/10/1991US5046531 Synthetic resin pipe for underground use
09/05/1991WO1991013235A1 Device for delivering corrosion or deposition inhibiting agents into a well by means of an auxiliary delivery tube
09/03/1991US5044445 Fire hose capable of transmitting signals
08/1991
08/28/1991EP0443943A1 Reinforced filtering hose
08/28/1991EP0443425A1 Tube
08/28/1991CN1013699B Light drainage and suction flexible hose
08/27/1991US5042537 Hose assembly and method of making the same
08/27/1991US5042138 Method and apparatus for manufacturing a corrugated pipe
08/22/1991CA2036776A1 Hose
08/21/1991EP0441814A1 Method for heating a transport pipeline, as well as transport pipeline with heating.
08/21/1991CN1013615B Rubber-plastic type fire hose and method for manufacturing same
08/14/1991CN1053831A Double wall spiral corrugated plastic pipe
08/13/1991US5039011 Underground connectors for sprinkler systems
08/13/1991US5038833 Fuel line for fixed-length vehicle installation
08/07/1991EP0439898A2 Method of producing a pre-coat conduit
08/07/1991EP0439860A2 Hose coated with high molecular weight polyethylene and process for the production thereof
08/06/1991US5036890 Hose reinforcement device
07/1991
07/30/1991CA2025134A1 Method of producing a pre-coat conduit
07/30/1991CA1287000C Tuned self-damping convoluted conduit
07/17/1991EP0436923A2 Flexible coolant hoses
07/17/1991EP0436772A2 Pipe component having the shape of a corrugated hose or a bellow
07/17/1991CN2081026U Freon-corrosion-resisting and freeze-proof rubber pipe with woven vinylon layer sandwiched between
07/10/1991CN2080607U Fire-retarded oil transporting pipe
07/10/1991CN1013146B 波纹管 Bellows
07/03/1991EP0435588A2 Air intake duct and method for making same
07/03/1991EP0435360A1 High pressure hose for modular fuel delivery system
06/1991
06/30/1991CA2033285A1 Hose coated with high molecular weight polyethylene and process for the production thereof
06/27/1991DE3942354A1 Multilayer reinforced plastic hose for inflammable fluids - has layers contg. foaming agent and flame retardant for safety
06/27/1991DE3942353A1 Strong, flexible laminar thermoplastic pipe - has innermost impervious lining bonded to mechanically strong layer, then braiding for reinforcement, and outermost thermoplastic sleeve
06/27/1991DE3942192A1 Deformable medical silicone-rubber extruded tubing for fluids - has internal intersecting radial webs made of silicone rubber and preventing tubing collapse and providing several fluid or optical channels
06/26/1991EP0433774A1 Device for maintaining an electrical conductor on a vacuum cleaner tube and/or hose
06/25/1991CA1285187C Aramid composite well riser for deep water offshore structures
06/19/1991CN2079249U Dual-well plastic pipe with ribs
06/18/1991US5024252 Hoses stable in length under the effect of an internal pressure
06/13/1991WO1991008098A1 Hose-manufacturing device and hose produced by the device
06/06/1991DE3939714A1 Schlauch Hose
06/05/1991EP0430542A2 Method of producing flexible tube
06/05/1991EP0430074A1 Heat transmission duct particularly for heating systems embedded in a hardened transmission medium
06/05/1991EP0429457A1 Conduit liner assembly
06/05/1991EP0429448A1 Stabilized injection molding when using a common mold part with separate complementary mold parts.
06/04/1991CA1284623C Canadian flexible reservoirs and conduits
05/1991
05/29/1991EP0429426A1 Hose for the transport of highly abrasive materials
05/29/1991EP0429357A1 Flexible pipeline
05/29/1991EP0428834A2 Multilayered plastic lining for vehicle conduits fabricated by coextrusion
05/29/1991EP0428833A2 Plastic vehicle conduit fabricated by coextrusion
05/29/1991EP0428616A1 Kink impeding hose for spraying water
05/29/1991CN2077944U Corrugated long soft-pipe made of fluorine plastics
05/28/1991US5018583 Well process using a composite rod-stiffened pressurized cable
05/22/1991EP0428368A1 Fuel supplying hosepipe
05/22/1991CN1051522A Method and device for pressure balancing of hoses at extruding of two components
05/22/1991CA2030482A1 Flexible tubular conduit
05/21/1991US5016675 Refrigerant transporting hose
05/15/1991EP0427682A1 High-strength flexible tubular element for hydraulic systems
05/15/1991CN2077072U Inside plastic metal soft pipe
05/14/1991US5014753 Inner textile fabric coated with a polymer outer flexible polymer contains metal particles; irrad protection
05/14/1991US5014751 Composite hose construction