Patents for F16L 13 - Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints (5,381)
07/2002
07/16/2002US6419147 Method and apparatus for a combined mechanical and metallurgical connection
07/11/2002DE10105013C1 Pipe coupling has coupling bodies at opposite ends of intermediate sleeve provided with two sets of radial teeth for biting into pipe end and coupling sleeve upon radial compression
07/10/2002CN2499666Y Round drum shape flexible pipeline joint
07/10/2002CN2499665Y Anti-rust weldable coating thermal insulation pipe
07/09/2002US6415488 Tube joint and apparatus for producing the same
07/03/2002EP1218657A1 Tubular coupling element for producing a glued joint with a fluid line
06/2002
06/27/2002US20020079703 Method and arrangement for providing a gas-tight housing joint
06/26/2002CN2497136Y Riveted connecting piece for pipeline
06/26/2002CN2497135Y Thin-wall-metal-mouthing pressed pipe connection
06/26/2002CN1355394A Joining method of welded thin-wall stainless steel pipes and joining parts for said method
06/25/2002US6410161 Metal-ceramic joint assembly
06/25/2002US6409229 Plastic pipe and duct joint connections
06/25/2002US6409175 Expandable joint connector
06/20/2002DE10125304C1 Tube connection for joining tube sections has claw fixed to inside of first cylindrical sector of press fitting
06/20/2002DE10125302C1 Tube connection for joining tube sections has spring element in form of open metal ring with conical jacket surface
06/20/2002DE10118956C1 Press fitting has beads on a sealing ring and inside of a collar, which fit together to form a seal when the fitting has been compressed
06/19/2002EP1214543A1 Method for joining a crimped fitting and a pipe, crimped fitting, pipe and crimping device for carrying out said method
06/19/2002EP1214525A1 Thermal insert connection
06/19/2002CN2495880Y Direct connecting and reveted pressure air pipe without need of flange
06/18/2002US6405762 Composite pipe assembly and method for preparing the same
06/13/2002DE10066021A1 Connection between metal pipe and plastic pipe which fits over it comprises corresponding narrow sections and locking ring with small diameter section which fits over these
06/12/2002CN1353264A Pipe joint with conic connection
06/12/2002CN1353263A Assembled pipe with conic joint
06/05/2002EP1042630B1 Method for connecting a pipe and a pipe coupling, link between a pipe and a pipe coupling, and connector used
06/05/2002CN2494465Y Spheric spigot and socket welded steel pipe
06/04/2002US6399708 Grafted and crosslinkable pulverulent thermoplastic polyolefin composition which has elasticity and flexibility properties
05/2002
05/29/2002EP1140386B1 Method for connecting two coaxial tubular parts, tool for performing such a connection and use
05/29/2002CN1085811C Method for sealedly joining flanged coupling onto pipeline
05/29/2002CN1085741C Heating furnace tube, method of using same, and method of mfg. same
05/23/2002US20020060069 Forming a wellbore casing while simultaneously drilling a wellbore
05/23/2002US20020060068 Forming a wellbore casing while simultaneously drilling a wellbore
05/22/2002CN2492745Y Large transportation piping
05/14/2002CA2081795C Method for connecting two parts along abutting edges and connection obtained thereby
05/10/2002WO2001054840A3 Method of linking steel tubes with aluminum ribs
05/09/2002US20020053798 Pipe connections and methods for connecting pipes
05/08/2002EP1203179A1 An arrangement for coupling the inlet and outlet tubes of a hermetic compressor to a refrigeration system
05/08/2002EP1203177A1 Expandable joint connector
05/08/2002DE10054822A1 Press fitting comprises coaxial pipes with conventional press collars at their ends, inner pipe carrying hot water and outer central heating water
05/08/2002DE10054367A1 Rohrverbindung Pipe connection
05/07/2002US6382684 Device for connecting piping sections
05/02/2002US20020050360 Forming a wellbore casing while simultaneously drilling a wellbore
05/02/2002US20020050041 Pressing tool
05/02/2002EP1201982A2 Pipe connection
05/02/2002EP1201371A2 Press tool
05/01/2002CN2489165Y Turnup opening pipe joint
05/01/2002CN1347487A Fitting or mounting for producing press joint with inserted tube end
04/2002
04/25/2002WO2002033212A1 Cement shoe assembly for monobore well
04/25/2002CA2756623A1 Cement shoe assembly for monobore well
04/23/2002US6375226 Pipe connector having mechanical and fusion connections
04/18/2002WO2002030653A2 Method of applying heat activatable covering
04/18/2002US20020043806 Connection for corrugated piping sections of metal
04/18/2002DE10043824A1 Method for connecting thin-walled pipes comprises forming radial peripheral flange at distance from end of first pipe, forming flanges on ends of two other pipes, fitting these against flange on the first and fusion welding pipes together
04/17/2002EP1197701A1 Connection device for fluid conveying conduits
04/16/2002US6371359 Stainless steel pipe and joining method thereof
04/11/2002US20020040787 Forming a wellbore casing while simultaneously drilling a wellbore
04/11/2002DE10050006A1 Pipe connector has sealing zone into which seal is fitted, fixing zone with retaining groove and adjusting zone which is compressed until it has same diameter as pipe on which it is fitted
04/10/2002EP1195550A2 Lockring fitting having improved anti-torsion capability
04/10/2002EP1064488B1 Pipe connection
04/10/2002EP0897502B1 Tubing connector
04/10/2002CN1082642C Fluid conduit systems and methods for making
04/09/2002US6367850 Fitting assembly for fluid and vapor connection
04/04/2002US20020038954 Protected welded joint for fluid transport pipes and its manufacturing process
03/2002
03/28/2002WO2002025161A1 Internal swage fitting
03/28/2002US20020036405 Pipes, based on polyamide and polyolefin, for gas transmission and/or distribution
03/27/2002EP0764249B1 Fluted tube joint and method of joining
03/27/2002CN2483582Y Metal extruded type pipeline joint
03/27/2002CN1342254A Pipe coupling
03/27/2002CN1081772C Multilayer fluid conduit and conduit system containing the same and its manufacturing method
03/26/2002US6360415 Flanged pipe unit and method of producing same
03/21/2002DE10044675A1 Press-fitting for connection to pipe has bores in its collar which are displaced from position where press tool fits, sealing ring being positioned under collar between it and pipe and bores being sealed when fitting is pressed on to pipe
03/20/2002EP0791153B1 Polyamide- and polyolefin-based ducts for transporting
03/12/2002US6354634 Coupling device for joining pipes
02/2002
02/28/2002WO2002016069A1 Method and apparatus for a combined mechanical and metallurgical connection
02/28/2002WO2001098701A8 Composite pipe assembly and method for its preparation
02/21/2002DE10038153A1 Anschlussverbindung für gewellte Rohrleitungen aus Metall A connection for corrugated metal pipes
02/21/2002CA2704255A1 Energy attenuation apparatus for a system conveying liquid under pressure and method of attenuating energy
02/19/2002US6347663 Fitting/manifold assembly and method for a heat exchanger
02/14/2002US20020019487 Grafted and crosslinkable pulverulent thermoplastic polyolefin composition which has elasticity and flexibility properties
02/14/2002DE10009739C2 Rohrpressverbindung Compression pipe connection
02/14/2002DE10009738C2 Rohrpressverbindung Compression pipe connection
02/07/2002US20020014771 Pipe connector, pipe-connecting structure, and connecting method
02/07/2002US20020014514 Metal-pipe bonded body, pipe expansion method of metal-pipe bonded body, and method for inspecting metal-pipe bonded body
02/06/2002EP1178252A2 Connection device for corrugated metal pipes
01/2002
01/31/2002US20020011731 Device for connecting piping sections
01/30/2002CN2474866Y Circular arc sealing type pressure pipe joint
01/30/2002CN2474865Y Fast connecting pipe joint
01/30/2002CN2474864Y Joint of cutting sleeve type pipe joint
01/30/2002CN2474861Y Double layer metal pipeline with edge outward turned inner lining sleeve
01/30/2002CN1333711A Method for connecting two coaxial tubular parts, tool for performing such connection and use
01/24/2002US20020008383 Self gapping socket weld fittings
01/24/2002US20020007547 Process and device for producing a pipe press-fitted connection
01/23/2002EP1174652A2 Fitting with a connecting piece for receiving the end of a pipe
01/23/2002CN1078330C 管接头 Fittings
01/17/2002WO2002004854A1 Conduit with corrugated end
01/16/2002EP1171731A1 Fitting or mounting for producing a press joint with an inserted tube end
01/10/2002DE10031416A1 Reibschweissrohrverbindung und reibgeschweisstes Gesteinsbohrwerkzeug mit Bohrflüssigkeitskanal Reibschweissrohrverbindung and friction welded rock drilling with drilling fluid passageway
01/09/2002EP1170086A1 Method for supervising piping work
01/09/2002EP1170071A2 Method of producing a pipe press-fitted connection
01/09/2002CN1330747A Device for connecting conduit sections
01/09/2002CN1330242A Pipeline joining method
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