Patents for F16L 58 - Protection of pipes or pipe fittings against corrosion or incrustation (5,790)
01/1993
01/20/1993EP0523823A1 Use of machine oil for making a corrosion-resistant protactive coat at screw connections for oil-well pipes
01/19/1993US5180458 Graft olefin with polyethylene or polyamide
01/19/1993US5180193 Elastomer-lined metal pipe
01/19/1993CA2074132A1 Method of producing a corrosion-protective layer on pipe threads
01/07/1993WO1993000214A1 Covering for pipelines
01/07/1993DE4201113C1 Mortar mixt. for cladding pipes and shaped articles - consists of mixt. of cement, quartz sand, water and granular foaming agent
01/07/1993CA2109814A1 Covering for pipelines
12/1992
12/30/1992EP0520473A1 Multi-layered foam heat-shrinkable tube
12/30/1992EP0520234A1 Tank and tank connector construction therefore
12/29/1992CA1311914C Oil field corrosion inhibition
12/29/1992CA1311912C Method for the repair of the inside of installed conduits
12/22/1992CA1311779C Joints for high-alloy oil-well tubing with resistance to crevice corrosion
12/16/1992EP0518264A2 Anode protector
12/16/1992CN1067105A Material used as anticorrosive liner of pipeline
12/15/1992US5171042 Spigot joint for lined metallic pipes particularly for fluids
12/09/1992EP0516990A2 Thread protection system
12/08/1992US5169180 Fluid conducting connector assembly with insulative properties
12/08/1992US5168682 Plastic liners for concrete structural elements and the elements and structures produced thereby
11/1992
11/25/1992CN2122996U Corrosion-resisting ball expansion joint
11/19/1992EP0513788A1 Lined pipe
11/19/1992EP0513088A1 A method and apparatus for coating the outer surface of an elongated body with a layer of concrete.
11/18/1992CN2122296U Steel waterpipe having rubber lining
11/17/1992US5164058 For underwater pipeline, molded elastomer cone, corrosion resistance
11/12/1992WO1992019903A1 Multilayer fire protective coating
11/12/1992WO1992019898A1 In-line conduit structure to prevent scale formation therein
11/11/1992CN1066044A Magnetic prevention and removal of method scaling and its equipment for ash-water duct system of power plant
10/1992
10/28/1992EP0511035A1 Device for thermal electric and nuclear power plants
10/27/1992US5158815 Backing layer; pressure sensitive adhesive layer; heat shrinkable film positioned to leave peripheral area of adhesive exposed
10/27/1992US5158200 Tank connector construction and method of fabrication
10/21/1992CN1065423A Anticorrosive products with high-temp tetrafluorated liner and resistance of high negative pressure, and its manufacturing method
10/15/1992WO1992017729A1 Process for producing a metallic tube provided with a protective layer at least on its inner side
10/15/1992DE4211044A1 Verstaerkungsstreifen Verstaerkungsstreifen
10/13/1992US5154936 Apparatus for everting a tube
10/11/1992WO1992018151A1 Ablating gelatin pig and method for use in tubulars
10/11/1992CA2104298A1 Ablating gelatin pig and method for use in tubulars
10/08/1992DE4110765A1 Applying plaster coating to wall - by using suction source to remove excess moisture to reduce drying-out time
10/08/1992DE4110584A1 Protecting cold-drawn metal pipes against corrosion - by using lubricating substance which is then converted on pipes into permanent coating
10/08/1992DE4110176A1 Prefabricated ceramic construction sheet - made up of tiles with synthetic resin joints with concave groove
10/07/1992CN2118229U S 5089 process for enamel pipeline
10/01/1992DE4110583A1 Korrosionsverhindernde huelse fuer ein bohrloch in einem metallrohr und montagewerkzeug fuer diese Anti-corrosive bushing for a borehole for in a metal pipe and fitting tool this
09/1992
09/23/1992CN2116826U Negative pressure resistant, high-temp. resistant tetrafluoro compound close line bonding preservative manufactured article
09/22/1992US5149142 Vent collar for plastic lined pipe
09/17/1992WO1992015818A1 Method, pipeline and device for fitting an inner tube in an existing pipeline using air venting means
09/16/1992EP0503113A1 Process for coating a measuring pipe of a flow meter
09/16/1992CN1064439A Steel and plastic composite tube
09/10/1992DE4141309A1 Pipe coupling with pipe end forced axially onto sleeve - has pre-expanded pipe end only required to further expand slightly over sleeve conical end portion during assembly
09/08/1992US5145281 Method of renovating and/or protecting sewers or pipes
09/08/1992US5145103 Partial elimination of copper plate from steel strip by mechanical means
09/03/1992WO1992014606A1 Laminate
08/1992
08/26/1992EP0500482A1 Anti-friction coating for threaded connecting tubes and process for manufacturing such a coating
08/26/1992EP0344217B1 Connections for tubes made of composite materials
08/20/1992WO1992014090A1 Device for processing the surfaces of pipes
08/06/1992DE4102663A1 Vorrichtung zur behandlung von rohroberflaechen An apparatus for treating rohroberflaechen
07/1992
07/30/1992DE4141310A1 Compression joint for multilayer wall pipes - has compression ring with two=stage taper extending along its whole length
07/29/1992CN2111427U High-temp. rot-proof insulating pipe
07/23/1992WO1992012844A1 Variable angular insertion method for lining tubular members
07/23/1992CA2100968A1 Variable angular insertion method for lining tubular members
07/22/1992EP0495560A1 Protecting substrates
07/15/1992EP0494190A1 Anti-fouling covering for use in sub-sea structures.
07/02/1992DE4102283C1 Mfg. concrete pipes with inner plastics lining - which is applied as open ring with overlapping ends secured by spreaders
06/1992
06/30/1992US5125847 Coupling device for pipeline heating system
06/17/1992EP0489891A1 Process for sealing and renovating the inside of systems of laid ducts.
06/09/1992US5120381 Method of forming a protective coating on metallic pipe
05/1992
05/31/1992CA2031263A1 Pipe lining system
05/27/1992EP0487438A1 Metal reservoir, particularly gas bottle or tank
05/27/1992EP0486792A2 Spigot joint for metallic pipes particularly for fluids
05/27/1992CN1061363A Method of smearing of metal pipe and its products
05/26/1992US5116354 Recoverable sleeve assembly for pipe joint
05/26/1992CA1301616C Rubber-based protective adhesive wrap for tubular metal articles
05/13/1992EP0485076A1 Fitting
05/09/1992WO1992008921A1 Improvements in or relating to the lining of passageways
05/09/1992CA2095834A1 Lining of passageways
05/06/1992CN2103713U Metal tube with glass fibre reinforced plastics liner and equipment thereof
04/1992
04/30/1992DE4034483A1 Reliable sealing and renovating installed pipes
04/28/1992US5108809 Adhesive composition for coating metal pipes
04/22/1992EP0481368A2 Partial elimination of copper plate from steel strip by mechanical means
04/22/1992CN1016379B Lining laminate for pipeline and operation method thereof
04/16/1992WO1992006141A1 A method of protecting materials against corrosion as well as an apparatus for carrying out the method
04/15/1992EP0480686A1 Method for reinforcing and repairing equipment details and components subjected to heavy abrasion wear
04/15/1992CN2101814U Joint for pipeline corrosion-proof composite structure
04/14/1992US5104152 Welded pipe joint
04/08/1992EP0479519A1 Coupling device for pipeline heating system
04/08/1992CN2101155U High-temp. resistant direct built-in type thermo-insulating tube
04/06/1992WO1992005944A1 Apparatus for everting a tube and method of using same
03/1992
03/25/1992EP0477127A1 Damp-proofing and/or corrosion-protecting membrane for building structures
03/18/1992EP0475769A1 Method of renovating and/or protecting sewers or pipes
03/18/1992EP0475309A1 Process and device for reconstructing sewers
02/1992
02/25/1992US5090738 Plastic coating for pipe couplings
02/21/1992WO1992003234A1 Epoxy/polyolefin coating process
02/19/1992EP0471319A2 Concrete pipe
02/19/1992CN2096680U Drainage antirot tube
02/06/1992DE4023542A1 Joint for plastic lining of concrete structures - has edge clips over lug and sealing weld, made using clamping strip with 2 retaining beads
02/05/1992EP0468979A1 Epoxy/polyolefin coating process.
01/1992
01/29/1992EP0328567B1 Process and installation for preventing corrosion of water pipes
01/23/1992WO1992001189A1 Method and installation for fitting an inner tube in an existing pipeline
01/21/1992CA1294568C Shrinkable pipe wrapping
01/14/1992US5079824 Method for the installation of a jacket reinforcement for piping
01/08/1992EP0465150A1 Tape coatings
01/08/1992CN1057612A Reinforced adhesive band made of plastics-coated glass fibre and its production
01/07/1992US5078822 Method for making refractory lined duct and duct formed thereby
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