Patents for F16L 13 - Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints (5,381)
06/1991
06/25/1991US5026098 Coupling
06/25/1991US5025546 Method of joining pipes
06/16/1991WO1991009247A1 Fusion pipe joining system and method
06/13/1991WO1991008413A1 Pipe joint
06/11/1991US5022685 Secondary containment system and method
05/1991
05/08/1991EP0426147A2 Concrete pipe having a corrosion resistant inner lining, suitable pipe connection pieces and sealing arrangements integrated into the end pieces of the pipes
05/08/1991DE4034953A1 Concrete pipe with anti-corrosion inner living
05/04/1991CA2029144A1 Concrete pipe with a lining resistant to corrosion and with fitting connecting members and furthermore with sealing means integrated in the terminal parts of the pipe
04/1991
04/30/1991US5010952 Tubular member secured within a well support member with a preload
04/23/1991US5009737 Method of joining pipes at their ends to form a pipeline
04/18/1991WO1991005197A1 Method of joining tubular sections
04/16/1991US5007667 Crimped sleeve to tube joint
04/16/1991CA1283139C Metal to composite tubular joint
04/10/1991EP0421798A1 A throttle modulator assembly
04/04/1991WO1991004433A1 Method of forming a connection between two objects such as tubes using a shape memory alloy component
04/03/1991CN1050434A 管接头 Fittings
03/1991
03/26/1991US5002822 Composites to form a fabric to form pressure resistant splice case for telecommunication cables
03/19/1991US5001320 Welding fixtures by which pipe ends are joined together
03/12/1991US4998337 Method for the permanent mutual connection of already finished metal tubes
02/1991
02/27/1991EP0414589A2 Double-wall system for a water containment
02/23/1991WO1991002918A1 Pipe joint
02/19/1991US4993756 Sealing in flow of fluid
02/13/1991EP0412626A1 Hydraulic fitting
02/13/1991EP0412208A2 Pipe coupling
02/06/1991CN2070857U Soldered joint of cold extrusion formed copper pipe
02/05/1991US4989904 Connector for push-on bell-type pipe joint
01/1991
01/23/1991EP0409404A2 High pressure tube atachment mechanism
01/22/1991CA1279344C Pipe joint
01/18/1991CA2013126A1 High pressure tube attachment mechanism
01/16/1991EP0408317A2 Method of forming gaskets by injection and compositions for use therein
01/14/1991CA2011914A1 Pipe coupling
01/02/1991CN2068635U Pipe orifice sealing fitting
01/02/1991CA1278442C Weld joint
01/01/1991US4981250 Explosion-welded pipe joint
12/1990
12/19/1990EP0403037A1 Compression fitting
11/1990
11/20/1990CA1276663C Restrainer device for couplings in pipelines
11/20/1990CA1276662C Recuperator tube assembly
11/07/1990EP0396273A2 Electro-fusion fittings
11/07/1990EP0396204A2 Method and device for joining well tubulars
10/1990
10/24/1990CN1010120B Improved joint for connection of ends of two concentric pipes
10/18/1990WO1990012237A1 Method of applying axial force between two objects
10/18/1990DE3936569A1 Pipe connector for two pipe ends - has sealing sleeve producing outwardly sealed gas-conveying bridging member
10/10/1990EP0390925A1 Crack growth limiter in high-pressure welded pipelines and method of making it
10/09/1990US4961598 Welded pipe joint
10/03/1990EP0390747A2 Sealing connection for multilayer plastic pipes
10/03/1990EP0390047A1 Method for connection of pipe ends and similar
09/1990
09/26/1990EP0316333B1 Weld joint
09/26/1990CN1009753B Weld joint
09/19/1990CN1009678B Metal pipes jointed at their ends, production process and apparatus for carrying it out
09/11/1990US4955970 Method of forming a joint between a connecting piece and a product formed of composite material, said joint, and said connecting piece for forming said joint
09/07/1990WO1990010170A1 Method of forming a mechanical connection to an object
09/04/1990US4953775 Method of effecting a single joint between two pipes
08/1990
08/28/1990US4951978 Heat-recoverable composition coupling device
08/21/1990US4949895 Process of fixing internally titanium-lined doubled-walled tubing structure to titanium tube sheet
08/14/1990CA1272690A1 High-pressure structure made of rings with peripheral weldments of reduced thickness
08/07/1990US4946199 High pressure tube attachment mechanism
07/1990
07/25/1990EP0378882A1 Non-disconnectible joint for thin-walled pipes using a press fitting
07/17/1990US4941692 Adhesive connection of tubes formed of carbon or graphite
07/17/1990US4941690 Tubing clamp assembly
07/17/1990CA2007754A1 Nondetachable press fit connector for thin-walled pipes
06/1990
06/21/1990DE3941236A1 Connecting pipe for flow circuit - consists of pipe and sleeve with rapid closure piece
06/20/1990EP0373985A1 Plug-in connection for flexible hose with an O-ring rolling on a small angled cone
06/20/1990EP0373843A2 Tubular joint
06/12/1990CA1270278A1 Convertible flare/braze fitting
05/1990
05/31/1990WO1990005872A1 Improvements in or relating to connection fittings
05/15/1990US4925220 Tubular joint
05/02/1990EP0366579A1 Combined radiator and clothes drier
05/02/1990EP0366299A2 Joining lined pipe
05/01/1990US4921283 Connection of carbon or graphite tubes
04/1990
04/21/1990CA2001105A1 Laundry heating radiator
04/05/1990DE3833748A1 Process and device for producing a non-releasable sealed connection of pipes
04/04/1990EP0361630A1 Method and device and press-fitting for manufacturing a perfect, leak-proof junction of pipes
03/1990
03/27/1990US4911484 Clamping ring pipe connection for metallic pipes
03/14/1990EP0357849A1 Tube coupling
03/14/1990CN1040424A Crack arrester for high-pressure welded pipelines and method of producing same
03/08/1990DE3834353C1 Press fitting
03/08/1990DE3828966A1 Pipe-connecting member
03/07/1990EP0357142A1 Method for the permanent mutual connection of already finished metal tubes
03/07/1990EP0356719A1 Construction element for the manufacture of a chimney flue of a multilayered chimney, and its applications
02/1990
02/22/1990WO1990001671A1 Crack growth limiter in high-pressure welded pipelines and method of making it
02/20/1990US4902049 Structure having interconnected metal tubes
02/07/1990EP0353663A1 Construction element made of sealing joints and individual pipes for a chimney flue of a multilayered chimney, and its applications
02/07/1990EP0353658A1 Jointing of a chimney flue in a multilayered chimney, and its applications
02/07/1990EP0179906B1 Fluid fitting with high temperature capabilities
01/1990
01/25/1990WO1990000697A1 Coupling means and method for pipe material
01/24/1990CN1006573B Improved pipe for building thermally insulated conduits and process for said building
01/23/1990CA1264529A1 Method for the assembly of slim tubes into a plate or a sleeve
01/23/1990CA1264528A1 Method and apparatus for joining pipe
01/17/1990CN2051250U Straight four-way joint specialized for kitchen
01/16/1990US4894070 Filtration of fluid media
01/10/1990CN1038691A Butt joining method of steel and iron pipes
01/03/1990EP0348685A1 Weld joint between a flexible metal tube and a hollow cylindrical metal joining piece
12/1989
12/19/1989US4887846 Subsea tubular joint
12/14/1989WO1989012190A1 Radial pressure seal
12/05/1989US4885044 Reducing embrittlement by reducing cooling rate
11/1989
11/29/1989EP0343395A2 Pressfitting, tap and method of manufacture
11/16/1989DE3815492A1 Connecting system for a cylindrical, metallic pipe
11/14/1989US4880260 Method of joining pipes
10/1989
10/25/1989EP0338164A1 Subsea tubular joint
10/25/1989EP0338052A1 Pipe connections
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