Patents for F16L 23 - Flanged joints (7,944)
04/1994
04/05/1994US5299644 Well starter head
03/1994
03/30/1994EP0589800A1 Plastic lined dual containment piping system
03/29/1994US5297817 Street compression closet flange
03/22/1994US5295717 Tube connecting device
03/16/1994CN2158958Y Telescopic faucet pipe coupling
03/15/1994CA1327758C Vent collar for plastic lined pipe
03/09/1994EP0585823A1 Pipe with flange for pipe fitting, pipe flange used therewith and method of joining said pipe to flange
02/1994
02/24/1994DE4227318A1 Pipe connection with two flanges connected by tension device - has positively engaging sealing ring mounted in ring groove formed in only one of two flanges.
02/24/1994DE4227316A1 Clamping flange connection and seal - has flange seal in circular groove with complete contact along side.
02/23/1994CN2157386Y Compound flange washer
02/23/1994CN2157385Y Hubbed flange made of steel plate
02/23/1994CN2157384Y Flanged joint
02/22/1994US5287730 Plumbing leakage test apparatus and method of use
02/17/1994WO1994003751A1 A conduit system
02/08/1994US5283944 Apparatus for placement of angle plates in transverse duct flanges
02/03/1994WO1994002771A1 Fire safe spiral wound gasket
02/01/1994CA2075085A1 Conduit system
01/1994
01/26/1994EP0580540A1 Connecting means for metal tubes
01/26/1994EP0579878A1 A wellhead connector
01/11/1994US5277951 Opening extending flange
01/11/1994US5277458 Chains for pipe flange connections having an electric tightener
01/11/1994US5277455 Plastic lined dual containment piping system
01/05/1994EP0576814A1 Device for connecting cylindrical components
01/05/1994DE4316926A1 High pressure sealing arrangement between two metal pipe flanges - has sealing ring comprising filler band between thinner outer ring and thicker inner ring to absorb forces as tension screw collars deform
01/04/1994US5275449 Elongated member for joining ducts
01/04/1994US5275440 Double-layer pipe bend with intermediate support layer
12/1993
12/29/1993CN2151339Y Pipeline sealing connector
12/23/1993WO1993025836A1 Joint assembly employing multi-ring gasket
12/21/1993US5271646 For use with an automotive air conditioning compressor
12/01/1993EP0571687A1 Device for pressing together tow conically shaped pipe flanges
12/01/1993EP0571641A1 Fitting with overtightening prevention gasket
12/01/1993CN1022948C Device for fixing a water meter onto a base and method thereof
11/1993
11/23/1993CA1324629C Clamp connector
11/22/1993CA2096821A1 Marking of lined pipe segments, fittings, or valves
11/17/1993CN2146637Y Composite pipe joint of plastic
11/17/1993CN2146636Y Hingeless screwed pipe joint
11/16/1993CA1324397C Seal between two parts of a conduit coupling which are rotatable with respect to each other
11/11/1993WO1993022594A1 Tube and flange coupling assembly
11/11/1993DE4214747A1 Flange connection with seal between two outer flanges - has threaded bore in at least one flange to take force screw for supporting counter flange
11/11/1993CA2133751A1 Tube and flange coupling assembly
11/10/1993CN2145904Y Combined active sleeve flange
11/04/1993DE4214514A1 Flange for vehicle exhaust pipe - has laminates with pipe borehole such that individual laminates have meshing axial projections
11/02/1993US5257834 Pipe coupling
11/02/1993CA1323894C Clamp for joining two metal pipes
10/1993
10/28/1993WO1993021463A1 Gasket for high-temperature use
10/28/1993WO1993021099A1 Diaphragm power jack
10/20/1993EP0566287A1 A quick release connection device
10/20/1993EP0565955A1 Dispensing closure for liquid-containers
10/20/1993CN2144231Y Quick jointing device for pipes
10/19/1993US5253875 Method for sealing a high pressure section of a gas turbine casing
10/14/1993WO1993020377A1 Bead construction for fluid conduit
10/14/1993DE4210383A1 Quick-release screw clamp - has nut on spindle which can swivel to allow complete release of clamping segments
10/13/1993EP0565372A2 Pipe couplings
10/12/1993CA1323016C Solid waste processing facility and process
10/07/1993DE4211076A1 Flange seal with pressure limiting - has hard support ring with grooves to take sealing edges of sealing ring
09/1993
09/30/1993WO1993019312A1 Isolation gasket for critical service flow line applications
09/29/1993CN2142914Y Cast-iron flange easy to connect
09/28/1993CA1322563C Pipe connection
09/21/1993US5246257 Skew pipe coupling
09/21/1993US5246256 Roll grooved pipe
09/16/1993WO1993018331A1 Seal ring and joint
09/16/1993DE4217646C1 Push in connector for two pipe sections - has coaxially interfitting connectors with spring clip locked even in release position on one part by locking element with detent allowing pre-fitting
09/16/1993CA2131803A1 Seal ring and joint
09/15/1993EP0560749A1 Ventilating duct with rectangular cross section
09/14/1993US5244237 Fitting with a compressible lining
09/07/1993CA1322016C Device for fixing a water meter onto a base and method relating thereto
09/02/1993WO1993017268A1 Coupling for flanged pipes, process for connecting the flanges and use of the coupling
09/02/1993CA2130102A1 Coupling for flanged pipes, process for connecting the flanges and use of the coupling
09/01/1993EP0440733B1 Flanged connection for valves
09/01/1993CN2141498Y Multi-function quick pipe line clamping tool
08/1993
08/31/1993US5240263 Metallic sealing rings and their manufacture
08/29/1993CA2089980A1 Mechanical joint between a tube such as an exhaust tube and a panel such as a muffler panel
08/18/1993CN2140460Y Simple instant connector for pipeline
08/17/1993US5236228 Water meter adaptor
08/12/1993DE4203334A1 Vacuum tight connection between two flanged pipes - has one pipe with larger inner diameter than sealing ring and second pipe
08/04/1993EP0553262A1 Fuel pump.
08/03/1993US5232302 Fixing means for connecting components
08/03/1993US5232250 Adjustable flange for plumbing fixtures
08/03/1993US5231867 Device for detecting leaks in a flanged joint
08/03/1993CA1320983C Tubular joint with seal
07/1993
07/29/1993DE4201535A1 Flange coupling with aseptic region and elastic seal - has shaped seal seating to compress seal for flush alignment with pipe walls.
07/28/1993CA2060970A1 Repair flange
07/27/1993US5230540 Fluid-tight joint with inclined flange face
07/21/1993EP0442927B1 Duct jointing devices
07/21/1993CN1021666C Vertical joint parts of glass fibre reinforced plastic tube
07/13/1993US5226683 Reusable metallic seal using memory metal
07/08/1993WO1993013346A1 Flange
06/1993
06/30/1993EP0548540A1 A scaffolding connection
06/29/1993US5222747 Fitting with overtightening prevention gasket
06/29/1993US5222744 Sealing gasket, especially for a flanged coupling
06/23/1993EP0547875A2 Elastomer-lined metal pipe
06/22/1993CA1319379C Circular duct connector
06/17/1993DE4140814A1 Flanged and sealed coupling - has profiled groove in both flanges with corresponding sealing ring inserted for tensioned connection.
06/16/1993EP0546246A1 Duct-section
06/16/1993CN1073249A Direct inserting full weather moveable joint
06/15/1993CA1319167C Duct connector for a circular duct
06/10/1993WO1993011385A1 Flange section for fitting on the mating edges of air duct components
05/1993
05/27/1993DE4137475A1 Flat ring seal for flange connections - has two concentric ring areas with thicker outer area having higher density
05/26/1993EP0464050B1 Fluid-tight joints
05/19/1993CN2133742Y Lining fluorine plastic flunge pad
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