Patents for F16L 13 - Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints (5,381)
03/1988
03/01/1988US4728126 Weld joint
02/1988
02/23/1988CA1233195A1 Heat recoverable coupling assembly
02/16/1988US4725165 Pipeline jointing
02/16/1988US4724975 High-pressure structure made of rings with peripheral weldments of reduced thickness
02/11/1988WO1988001033A1 Weld joint
02/10/1988EP0255787A1 Quick-coupling device for a tube or hose on a spigot, and its assembly process
02/03/1988EP0255221A2 High pressure tube attachment mechanisms
01/1988
01/26/1988CA1231818A1 Recoverable article for encapsulation
01/20/1988EP0253712A1 Device for fastening two cylindrical elements, in particular a pipe with a connection and method of mounting
01/07/1988EP0251482A2 Heat-recoverable coupler
12/1987
12/30/1987CN87104323A Improved joint for connection of ends of two concentric pipes, particularly useful in construction of small-diameter, heat-insulated ducts
12/23/1987CN86209209U Pipe with ring flange
12/22/1987US4714377 Method of laying pipe sections
12/16/1987EP0248948A2 Tube fitting
12/15/1987CA1230388A1 Consumable spacer chill ring
12/09/1987EP0248728A1 Method for resistantly and tightly fixing a hollow cylindrical element at the inside of a tube, and cylindrical element for carrying out this method
12/08/1987US4711387 Method of producing pipes with crack arresters
12/01/1987US4710245 Method of making tubular units for the oil and gas industry
12/01/1987US4709521 Method of inserting a tubular or bar-shaped structural member tightly into a location hole in a construction element
11/1987
11/11/1987EP0245067A1 Heat recoverable article
11/10/1987US4705302 Tube fitting
10/1987
10/22/1987WO1987006182A1 Heat-recoverable devices
10/22/1987DE3615947C1 Welding and centring ring
09/1987
09/29/1987US4696499 Mechanical pipe joint and method of forming the same
09/22/1987US4695276 Ultraviolet curable adhesive
09/22/1987US4695202 System of submarine linking between the legs of a platform and the relating foundation piles
09/15/1987US4693501 Refrigeration tubing joint
09/15/1987US4693499 Pipeline for gaseous fluids and method of assembling its components
09/09/1987EP0235240A1 Joint between two tubular elements, preferably made of metal, and methods for the manufacture of such a joint
08/1987
08/26/1987EP0233608A1 Shaped hose branching, especially a radiator hose for a motor vehicle,and process for manufacturing the same
08/25/1987US4688318 Method of preparing a joint for a tube
08/18/1987US4687894 Induction heating method and apparatus for relieving residual stress in welded joints in pipe line
08/06/1987DE3634072A1 Pipeline consisting of metal, preferably of high-grade steel
07/1987
07/22/1987EP0229214A1 Leak-free and vibration resistant pipe-flange coupling
07/21/1987US4681349 Plastic lined welded metal component and method of manufacture
07/21/1987US4680923 Composite twine structure
07/16/1987DE3600302A1 Process for connecting two pipe ends
07/01/1987EP0227330A1 Recuperator tube assembly
07/01/1987EP0226996A2 Metal to composite tubular joints
06/1987
06/25/1987DE3544128A1 Pipe connection having a collar consisting of a memory alloy
06/25/1987DE3544127A1 Pipe connecting collar consisting of a memory alloy
06/23/1987US4674772 Soluble pipe spacer
06/16/1987US4673449 Sealing of a pipe-joint
06/10/1987EP0224969A1 A seal functioning under vacuum conditions between two interconnected parts and a method of making the same
06/02/1987US4669761 Tubing fitting
06/02/1987US4669649 Joint between two preferably metallic pipes and method of producing said joint
05/1987
05/26/1987US4667989 Leak-free and vibration resistant pipe-flange coupling
05/21/1987DE3540344A1 Method, half rings and device for producing and separating a welding-ring seal
05/14/1987DE3618492A1 Non-releasable pipe connection for cylindrical pipes using self-hardening sealing materials
05/06/1987EP0220336A1 Method for joining the pipe ends of a gas conduit
05/05/1987US4662663 Tubular member for underwater connection having volume
04/1987
04/14/1987US4657287 Grooved connector
03/1987
03/24/1987US4652019 Partially consumable spacer chill ring
03/24/1987CA1219615A1 Joint between two preferably metallic pipes and method of producing said joint
03/17/1987US4649960 Filament wound interlaminate tubular attachment
03/12/1987WO1987001428A1 Method for connecting together lengths of pipe in addition to join and lengths of pipe manufactured with said method
03/12/1987WO1987001427A1 Joint between two tubular elements, preferably made of metal, and methods for the manufacture of such a joint
03/03/1987US4647080 Pipe joint
03/03/1987US4647078 Metal to composite tubular joints
02/1987
02/25/1987EP0211454A1 Process and device for effecting a gas-tight joint and joint so produced
02/24/1987CA1218394A1 Grooved connector
02/17/1987US4642864 Recuperator tube assembly
02/10/1987US4641775 Means for splicing two pipes
02/03/1987US4640532 Joining means and method for joining metal members
01/1987
01/06/1987US4634844 Electroweldable socket and a device of manufacturing such a socket
01/06/1987US4634040 Process for welding pipe ends and an insulating ring therefor
12/1986
12/17/1986CN85104774A Fluid fitting joint with high temp. capabilities
12/10/1986EP0204145A1 Insert for coupling pipes by welding
12/02/1986US4626658 Electrically heated tool for soldering pipe connector sleeves
12/02/1986US4626458 Recoverable article for encapsulation
12/02/1986US4626001 Fluid fitting with high temperature capabilities
12/02/1986US4626000 Spigot and socket connections
11/1986
11/25/1986US4624489 Pipe connection method and connecting structure
11/25/1986US4624484 Shrink-fit connector for electrical well subsurface heating processes
11/19/1986CN86101819A Composite twine structure
11/19/1986CN85103745A Improved pipe for building thermally insulated conduits and process for said building
11/12/1986CN85202257U Direct and quick inserting-type union joint and its binder
11/12/1986CA1213838A Filament wound interlaminate tubular attachment and method of manufacture
10/1986
10/22/1986EP0198789A2 Pipe junction and connector sleeve for use therewith
10/15/1986EP0045757B1 Method for joining plastics pipes
10/14/1986CA1212733A1 Contractible conduit sealing connector
09/1986
09/30/1986US4614368 Liquid metal pipe joint
09/23/1986CA1211773A1 Pipe connectors
09/16/1986US4611833 Pipe joints and process for their production
09/16/1986US4611830 Partially consumable spacer chill rings and their use in welding pipe joints
09/09/1986US4610466 Convertible flare/braze fitting
09/04/1986EP0179906A4 Fluid fitting with high temperature capabilities.
08/1986
08/12/1986US4605156 Cold welded joint
08/12/1986CA1209614A1 Pipe line coupling
08/06/1986EP0189934A2 Method and apparatus for internally coating welded pipe at the weldment
08/06/1986EP0189918A2 Heat-fusion pipe fitting system
07/1986
07/29/1986CA1208677A1 Mechanical pipe joint capable of withstanding repeatedly varied internal fluid pressure
07/08/1986US4598938 Coupling device for making a permanent pipe connection
06/1986
06/18/1986EP0184978A2 Process for manufacturing pipes for the petroleum and natural gas industries and for drilling rods
06/10/1986US4593448 Method for tightly jointing a sleeve to a submarine pipe laid at great depth
06/04/1986EP0183188A2 Electrically weldable connecting element for the connection of/with conduit parts
06/04/1986EP0182806A1 A means for joining two pipe sections together.
05/1986
05/28/1986EP0181945A1 Method of sealing a tube or a rod in an opening of a construction element
05/20/1986CA1204566A1 Sterile docking process, apparatus and system
05/20/1986CA1204565A1 Sterile docking process, apparatus and system
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