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 21 - Joints with sleeve or socket
Patents for F16L 21 - Joints with sleeve or socket (9,147)
11/1981
11/17/1981CA1112414A1 Plastic pipe joint and method and assembly for making same
11/12/1981WO1981003214A1 A sealing ring
11/10/1981US4299399 Gasket of rubber or similar material
11/10/1981US4299012 Hose clamp
11/03/1981US4298221 Pipe connectors
11/03/1981US4298220 Pipe joint
11/03/1981US4298206 Flexible packing for sealing pipeline joints
10/1981
10/27/1981US4296955 Composite coupling device with high recovery driver
10/27/1981US4296953 Slipping-off preventing pipe joint
10/06/1981US4293138 Sealing device
10/06/1981CA1110291A1 Gas service valved connection
09/1981
09/29/1981US4291903 Connector for tubing
09/22/1981US4290632 Apparatus for connecting together flowline end portions
09/15/1981CA1108827A1 Pipe clamp
09/08/1981US4288112 Connecting piece for supply lines carrying gaseous or fluid media
09/08/1981US4288104 Pipe section, preferably a concrete pipe section
09/03/1981WO1981002459A1 Method for joining plastics pipes
09/01/1981CA1108071A1 Composite pipe having an integral bell end
08/1981
08/27/1981EP0027140A4 Pipe coupling with open sleeve.
08/25/1981US4285498 Control valves
08/20/1981WO1981002336A1 Joint arrangement for pipe members comprising a spigotend and a socket end
08/18/1981US4284298 Pipe coupling
08/04/1981CA1106420A1 Wide-band compression coupling
07/1981
07/29/1981EP0032824A1 Improvements in or relating to pipe joints and pipe couplings
07/07/1981CA1104609A1 Tubing to sleeve interlock for gas service connector
06/1981
06/30/1981US4275909 Flexible plastic pipe joint
06/23/1981CA1103722A1 Jointing of pipes
06/10/1981EP0030180A1 Joining device for pipes
05/1981
05/26/1981US4269437 Jointing of pipes
05/26/1981US4269419 Fluid pressure sleeve and rubber gasket pipe joint
05/26/1981CA1101906A1 Tube fitting assembly with deformable seal
05/26/1981CA1101905A1 Coupling pipes
05/26/1981CA1101904A1 Flexible plastic pipe joint
05/19/1981US4268047 Underground pipe joint with hydratable cement in polyurethane gasket
05/19/1981US4268046 Multiple seal stationary sealing ring
05/19/1981CA1101458A1 Inner socket gasket for pipe line joints
05/05/1981US4265428 Connection device for providing selective fluid communication between first and second conduits
05/05/1981CA1100549A1 Coupling for pipe
04/1981
04/22/1981EP0027140A1 Pipe coupling with open sleeve.
04/14/1981US4261600 Pipe coupling for lap joints
04/07/1981CA1098931A1 Filament wound pipe coupling and method of and apparatus for making same
03/1981
03/11/1981EP0024709A1 Clamp joint with gasket for gas and water pipes
02/1981
02/10/1981CA1095553A1 Pipe connectors
02/03/1981CA1095099A1 Connecting lengths of tubing
01/1981
01/27/1981CA1094601A1 Coupling
01/13/1981CA1093608A1 Simplified pipe coupling
01/07/1981EP0021454A1 Tensioning ring for fixing a resilient sealing ring in a socket
01/07/1981EP0020723A1 Pipe coupling for lap joints
01/06/1981CA1092994A1 Collar for gas pipelines
12/1980
12/23/1980US4240655 Pipe coupling
12/23/1980US4240470 Composite pipe having an integral bell end
12/16/1980US4239266 Pipe connector apparatus
11/1980
11/26/1980EP0019256A1 Socketed ductile cast iron pipe
11/04/1980CA1088970A1 Gasket of rubber or a similar material
10/1980
10/30/1980WO1980002317A1 Pipe coupling with open sleeve
10/28/1980US4230157 Pipe having an end portion, the inner wall of which is provided with a circumferential groove, in which a sealing means is mounted and a pipe joint consisting of this pipe and a spigot end of a second pipe inserted therein
10/21/1980US4229028 Pipe coupler
10/15/1980EP0017300A1 Sealing unit for a pipe connection
10/15/1980EP0017299A1 Method and apparatus for installing a sealing ring
10/01/1980EP0015923A1 A sealing ring
09/1980
09/30/1980US4224702 Plumbing apparatus
09/23/1980US4223896 Sealing ring
09/23/1980CA1086352A1 Pipe coupling system
08/1980
08/12/1980US4216981 Connecting lengths of tubing
08/05/1980US4215883 Coupling for pipes and fittings
07/1980
07/23/1980EP0013457A1 A plastics pipe part with socket provided with longitudinally extending passages
07/22/1980US4213641 Filament wound pipe coupling
07/01/1980CA1080766A1 Plain end pipe fitting
06/1980
06/25/1980EP0012166A1 Gasket from rubbery material for gilled pipes, especially those made of synthetics
06/24/1980US4209270 Pipe connector apparatus and method
06/17/1980US4208156 Machine for machining crankpins of a multiple-throw crankshaft
06/12/1980WO1980001197A1 Pipe coupling for lap joints
06/11/1980EP0011919A1 Gasket of rubber or similar material
06/10/1980CA1079326A1 Tapered inserts
06/10/1980CA1079325A1 Coupling devices
06/03/1980US4205424 Method of fitting sealing member into frictionally engaging tubular connector
05/1980
05/28/1980EP0011187A1 Locked bell and spigot joint
05/06/1980CA1077083A1 Seal means for pipe joint
04/1980
04/22/1980CA1076162A1 Pipe closure coupling
03/1980
03/25/1980US4194769 Device for the tensile locking of pipe elements
03/25/1980US4194766 Self-aligning ring joint for joining concrete pipes having ends adapted for use therewith
03/25/1980CA1074363A1 Non-sliding arrangement for spigot-and-socket joint
03/25/1980CA1074057A1 Plumbing method and apparatus
03/04/1980US4191390 Gasket ring with locking rings
02/1980
02/05/1980US4186948 Pipe joint clamp
02/05/1980US4186932 Resilient sealing ring
02/05/1980US4186931 Pipe end sealing system
01/1980
01/15/1980US4183561 Separation-prevented pipe joint which can be assembled from inside pipe
01/15/1980US4183560 Arrangement for making a spigot-and-socket joint secure from sliding
01/15/1980CA1069959A1 Pipe and tubing connectors
01/08/1980US4182519 Resilient sealing ring
01/01/1980CA1069152A Manufacture of pipe couplings
12/1979
12/25/1979CA1068649A Manual applicator for lubricating end portions of tubes
12/11/1979US4178001 Pipe coupling
12/11/1979CA1067928A1 Oval sewerpipe with internal or end surface alignment marks
11/1979
11/20/1979US4174985 Process for manufacturing coupling gaskets for helically corrugated spiral pipe
11/13/1979US4174125 Tube coupling
11/06/1979CA1065569A1 Combined mould element and sealing ring
10/1979
10/30/1979US4172607 Pipe coupling with plastic sheath
10/23/1979US4171834 Device for connecting corrugated drainage tiles and the like
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