Patents for F16L 47 - Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics (7,981)
01/1995
01/11/1995EP0633418A1 Device for connecting a metal fitting to a plastic pipe
01/11/1995EP0632871A1 Environmentally safe underground piping system
01/11/1995CN1027357C Device for detecting, during welding, variations in physical state of plastic material in caupling piece for joining pipes
01/10/1995US5380017 Sealing ring for sealing against fluid flow in either direction between inner and outer pipes
01/05/1995WO1995000795A1 Coupling device useful for joining or capping plastic pipe
01/05/1995DE4342302C1 Tension-resistant pipe connection and tool and process for producing a tension-resistant pipe connection
12/1994
12/27/1994US5375890 Thermo lock-n-seal tube end for polyethylene pipe
12/27/1994US5375889 Manifold of a crosslinked thermoplastic resin
12/21/1994EP0629807A1 Device for retaining a heat weldable fitting
12/14/1994EP0628144A1 Heat-recoverable article
12/14/1994CN1096247A Method for welding pipe pieces made of thermoplastics
12/14/1994CN1096246A Electric heating smelting pipe joint making method
12/13/1994CA2024276C Pipe coupling
12/08/1994WO1994028343A1 Device and method for connecting a pipe to a hollow body with a plastic wall
12/07/1994EP0627593A1 Pipe drilling tool for applying strapping taps to PVC pipes, in particular pipes for irrigation
12/07/1994EP0627590A2 Pipe coupling
12/07/1994EP0627040A1 Method for overburden drilling, casing shoe and casing tube for the method, and coupling element for the casing tubes
12/06/1994US5370507 Reciprocating chemical pumps
12/06/1994US5370426 Pipe connector for connecting to a hard plastic pipe
12/01/1994DE4332194C1 Method for producing a plastic moulding, and mouldings
11/1994
11/29/1994US5369248 Electro-weldable connecting piece having connection terminals and its method of manufacture
11/29/1994US5368340 Quick connect coupling
11/24/1994WO1994026502A1 Electric plug connector for thermoplastic electric welding sleeves
11/24/1994DE4344575A1 Safety closing device for gas conduits
11/23/1994EP0625666A1 Sealing ring
11/23/1994EP0625665A1 Pipe seal
11/22/1994US5366258 Flexible couplings for flexible tubes designed to be rolled up flat on themselves
11/22/1994US5366257 Pipe connector
11/22/1994US5366253 Electrofusion joint and hot water supply header using the same
11/15/1994US5364130 Coupling for tubular plastic pipes with liner of socket and liner of pipes being heat weldable
11/08/1994US5362114 Pipe joint and method for forming same for threaded connection of profile pipe
11/08/1994US5361799 Waste water access fitting
11/02/1994EP0622580A1 Pipe insert; its process of manufacturing and the tool device for carrying out this process
11/02/1994EP0622579A1 Pipe joint, method of making same and method of construction using same
11/02/1994EP0622171A1 Heating device for surface welding of thermoplastics and method for producing it
11/01/1994US5360241 Universal saddle tee for pipes
11/01/1994US5360240 Method of connecting plastic pipe joints to form a liner for an existing pipeline and a plastic pipe joint for forming such liner
10/1994
10/28/1994CA2121400A1 Heating means for the surface welding of thermoplastics and process for the production thereof
10/27/1994WO1994024479A1 Pipe joint
10/27/1994WO1994024478A1 Article and method for modifying the surface of a substrate
10/27/1994WO1994024477A1 Plastic pipe joints
10/27/1994WO1994024475A1 A pipe coupling and a method of using it
10/26/1994EP0621433A2 Hose connection to a wall
10/26/1994CN1093976A Process of making shaped articles from synthetic thermoplastic materials
10/25/1994US5358286 Completely fabricated pipe sleeve assembly
10/18/1994US5357083 Electro-welding sleeve obtained by fabrication method
10/13/1994WO1994023237A1 Pipe joint, pipe connector and hydraulic device for producing pipe joints
10/13/1994WO1994023234A1 Low carryover fitting and method for coupling tubing to a device using the same
10/13/1994CA2158152A1 Pipe joint, pipe connector and hydraulic device for producing pipe joints
10/12/1994EP0619176A2 Process for welding thermoplastic pipes
10/11/1994US5354100 Weldable pipe fittings and pipe joints formed therewith
10/05/1994EP0618395A1 One-piece connection element of composite material for tubular elements and method and device of manufacture
10/04/1994US5352871 System and method for joining plastic materials
09/1994
09/28/1994EP0617222A1 Gas riser apparatus and method
09/28/1994EP0617217A1 Pipe, in particular for a motor vehicle
09/27/1994US5350202 Method and apparatus for attaching lengths of fiberglass reinforced plastic pipe
09/24/1994CA2119069A1 Gas riser apparatus and method
09/20/1994US5348045 Pipe clamp for plastic supply pipelines, particularly a tapping clamp
09/16/1994CA2091697A1 Polyethylene pipe junction device
09/15/1994WO1994020781A1 A method of connecting plastic pipe joints to form a liner for an existing pipeline and a plastic pipe joint for forming such liner
09/15/1994WO1994015445A3 Process for radial friction welding of pipeline components made of thermoplastic material
09/15/1994WO1994013457A3 Joint, method of forming a joint and method of forming joint components
09/14/1994EP0615091A1 Heat weldable plastic pipe connection and method of manufacture
09/13/1994US5345964 Pipe piercing fitting and valve
09/13/1994CA2018554C Electro-welding sleeve fabrication method, device for implementing it and sleeves obtained by the method
09/12/1994CA2116264A1 Method for welding pipe pieces made of thermoplastics
09/01/1994WO1994016255A3 Safety shut-off for gas lines
08/1994
08/31/1994EP0612953A1 Connector for tubular plastic parts
08/30/1994US5341843 Plumbing and heating pipe system for water supply purposes, made either completely or mainly of plastic material, especially of polypropylene
08/24/1994EP0611912A1 Method for making a joint between a main pipe and branch pipe and apparatus for use in the method
08/23/1994US5340167 Heat shrinkable polymer hose and tubing clamp
08/23/1994CA2116083A1 Coupling for tubular plastic parts
08/18/1994WO1994018486A1 A method of making a pipe connection and a tool and connector sleeve suitable for use when carrying out the method
08/17/1994EP0611276A1 Connecting element for joining a metal fitting to a plastic pipe that transports liquid products
08/17/1994EP0611174A1 Fastening device
08/17/1994EP0610496A1 A process for the joining of crosslinked polyolefin bodies
08/17/1994EP0610349A1 Heat shrinkable sleeve for connecting a pipe and cable.
08/16/1994US5338920 Method of manufacturing and joining electro-fusion fitting
08/09/1994US5336351 Method for connecting a pipe connector to a hard plastic pipe
08/04/1994WO1994017323A1 Improved nipple
07/1994
07/26/1994US5332049 Composite drill pipe
07/21/1994WO1994016255A2 Safety shut-off for gas lines
07/21/1994WO1994015445A2 Process for radial friction welding of pipeline components made of thermoplastic material
07/21/1994DE4244127A1 Connector for pipeline into sewer
07/20/1994EP0606483A1 Resin hose connecting structure
07/19/1994US5330238 Coupler for connecting two plastic pipes and process and mold for producing the coupler
07/14/1994DE4300432A1 Safety shut=off for gas pipes
07/13/1994EP0606028A1 Sealed connection between a pipe and a pipe end and its method of manufacture
07/12/1994US5328210 Polyolefin coupler for joining polyolefin pipes
07/07/1994WO1994015137A1 A joint
07/05/1994US5326137 Gas riser apparatus and method
06/1994
06/29/1994EP0603775A1 Method for making a sealed connection between a pipe and a pipe connector, and pipe connector used therefor, which can be tightened
06/29/1994EP0603368A1 Device for fitting a heated member to a hollow body made of a thermoplastic material and comprising at least one cold fluid inlet, and hollow body provided therewith.
06/29/1994EP0603184A1 A method for joining spirally wound thermoplastic pipes together.
06/23/1994WO1994013457A2 Joint, method of forming a joint and method of forming joint components
06/22/1994EP0603032A1 Pipeline-system having facilities for connecting it to a fluid circle
06/22/1994EP0423196B1 Composite thread coupling for reinforced pipe
06/14/1994US5321233 Electrofusion fitting and sealing method for distribution line
06/14/1994US5320697 Method for welding together pipes consisting of thermoplastic plastics
06/14/1994US5320389 Quick-connect sanitary hose fitting
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