Patents for F16L 58 - Protection of pipes or pipe fittings against corrosion or incrustation (5,790)
01/1992
01/04/1992WO1992001191A1 Process and device for sealing and renovating the inside of systems of laid ducts
01/04/1992CA2069300A1 Process for the sealing and internal repair of systems of laid conduits and apparatuses
12/1991
12/19/1991DE4018753A1 Multilayer tube - has protective layer round leak-proof tube sealed in place by clinging material
12/17/1991US5072622 Pipeline monitoring and leak containment system and apparatus therefor
12/10/1991US5070597 Tubular article
12/04/1991EP0459542A2 A device for connecting a thin-walled hose with a tubular element
12/04/1991CN2089871U Drum shape metal products with tetrafluoride liner
12/03/1991US5069485 Brittle lined pipe connector
12/03/1991CA1292705C Piping lining process, and listing sleeves used for that purpose
11/1991
11/27/1991EP0458322A2 Double wall fire proof duct
11/21/1991DE4014618A1 Bactericidal cement conduits etc., for waste water - made using residual dust and ashes from burning refuse, bound in elution resistant form
11/19/1991CA1292154C Multilayer coated corrosion resistant metal pipe
11/14/1991WO1991017362A1 Joining of metallic pipe lined with thermoplastic polymer
11/14/1991CA2081892A1 Joining of metallic pipe lined with thermoplastic polymer
11/07/1991DE4014087A1 Bactericidal and fungicidal coating of air passages - comprising a surface layer of gold, used in air conditioning units
11/06/1991EP0455357A1 Method of applying an internal coating to pipe and the product made thereby
11/05/1991US5063095 Expandable powder coating composition, method of coating a substrate with heat-insulating foam and composite material obtained thereby
11/03/1991CA2041567A1 Lining of metallic pipe
11/03/1991CA2041566A1 Lining of metallic pipe
10/1991
10/31/1991CA2038683A1 Method of applying a polyolefin coating to pipe and the product made thereby
10/16/1991EP0451327A2 Metal tube with interior anticorrosion coating formed of cracked lubricant
10/09/1991EP0450220A1 Method of renovating and/or protecting sewers or pipes
10/02/1991EP0449600A2 Multilayer tubing made from metal and production process therefor
10/02/1991DE4010129A1 Tubular structures formed from glass panels
10/01/1991US5052445 Pipe section, especially for abrasive and/or corrosive material pipelines
10/01/1991CA2039407A1 Multilayer tubing made from metal and production process therefor
09/1991
09/24/1991US5051281 Process and plant for protecting water pipeworks from corrosion
09/11/1991EP0445445A1 Novel closure device for shrinkwraps
09/05/1991DE4006355A1 Anti-corrosion device for branch pipes - incorporates plastics sleeve body with protective mass in interspace
09/03/1991US5044816 Clamping collar with longitudinal ribs
08/1991
08/28/1991EP0443694A1 Protective article
08/28/1991EP0288579B1 Lining material of pipe-line
08/21/1991EP0442457A2 Heat resistant pipe or liner
08/06/1991US5037600 Method of applying a polyolefin coating to pipe
07/1991
07/31/1991EP0438900A2 Tape coatings
07/30/1991WO1991011653A1 A method and apparatus for coating the outer surface of an elongated body with a layer of concrete
07/30/1991US5035256 Two-way valve for fitting to the downstream end of a fluid distribution pipe adapted to be cleaned by scraping
07/30/1991CA1286869C Heat recoverable article
07/23/1991US5034180 Method for installing a substantially rigid thermoplastic pipe in an existing pipeline
07/23/1991US5033543 Lining for plate heat exchanger
07/23/1991CA1286585C Method of, and elastomeric composition for protecting a substrate
07/17/1991EP0437260A1 Ceramic sleeve for coating a chimney.
07/17/1991EP0436573A1 Process for field coating pipe
07/10/1991CN1013147B Method and apparatus for lining buried pipe with polymer liner
07/09/1991US5030714 Isolated or synthetic peptide; diagnosis of aids
07/02/1991US5028081 Connection for pipes of composite materials
06/1991
06/29/1991CA2030185A1 Tape coatings
06/26/1991EP0433333A1 Constructional member and method.
06/19/1991CN2079112U Adhesive corrosion-proof steel pipe
06/11/1991US5022941 Temperature, flame, shear resistant pressure sensitive adhesives, dimensional stability; corrosion resistance for pipes
06/11/1991CA1284829C Indicator for dimensionally recoverable sleeves
06/05/1991EP0430377A2 Dimensionally recoverable article
06/04/1991CA1284667C Double-walled article containing lubricant
06/02/1991WO1991008417A1 Remotely controlled installation of linings in inaccessible sewer-pipe junctions and discharge entries
06/02/1991CA2045689A1 Remotely controlled installation of linings in inaccessible sewer-pipe junctions and discharge entries
05/1991
05/29/1991EP0428557A1 Connection to a pressure vessel of composite material
05/23/1991DE4010555C1 Non-wearing pipe for carrying abrasive fluids - includes hardened steel liner pipe enclosed by welded outer jacket
05/15/1991EP0427356A2 Wrap-around recoverable article
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
05/08/1991EP0425950A2 Construction erected from plates or shells of glass.
05/08/1991EP0264446B1 Joint for oil well pipes and method of manufacturing same
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
05/02/1991DE3935478A1 Corrosion protection of non-metallic materials - esp. waste water pipes or pipe coatings
05/02/1991DE3935172A1 Set of pipes with concrete casing - has sealed cladding, consisting of curved glass pieces with axial and peripheral joins
04/1991
04/23/1991US5009737 Method of joining pipes at their ends to form a pipeline
04/18/1991WO1991005133A1 Anti-fouling covering for use in sub-sea structures
04/17/1991CN2075207U Protector for pipeline welded connection
04/16/1991US5007461 Blowing compressed air and abrasive particles through conduits, blowing self-setting resin to coat interiors
04/10/1991EP0421607A1 Tape coating
04/10/1991EP0239571B1 Multi-layer hollow body, process for its production and its application
04/03/1991EP0420423A2 Expanded powder coating composition, method of coating a substrate with heat-insulating foam and composite material obtained thereby
04/03/1991CN2074409U Steel-plastics pipeline components lined inside and covered outside with plastics
04/02/1991CA1282308C Method of internal anticorrosive protection of pipelines
03/1991
03/27/1991CN1012209B Connecting method of composite pipe
03/26/1991US5002822 Composites to form a fabric to form pressure resistant splice case for telecommunication cables
03/21/1991DE3930164A1 Pipes for waste-water system with integral plastics lining - use plastics jointing ring and are uses where aggressive liquids need disposal
03/13/1991EP0415992A1 A field joint insulation for insulated pipelines
03/07/1991CA2024621A1 Expandable powder coating composition, method of coating a substrate with heat-insulating foam and composite material obtained thereby
03/05/1991US4997685 Elongated substrate with polymer layer covering
02/1991
02/27/1991CN2072181U Full-plastic prefabricated buried thermal insulation pipe
02/26/1991US4995427 Pipe section, especially for abrasive and/or corrosive material pipelines
02/20/1991CN1011736B Tubular article
02/19/1991US4993875 Pipe sealing and anti-corrosion system
02/19/1991US4993621 Method of protecting corrosion-susceptible walls against corrosion
02/05/1991US4990231 Corrosion protection system
01/1991
01/23/1991EP0408869A1 Block clamp with length ribs
01/15/1991CA1278960C Applying protection to pipes and pipelines
01/08/1991US4983449 Protective wrapping material
12/1990
12/04/1990CA1277258C Resin coated metal pipe having a plane surface for a lightweight structure
11/1990
11/06/1990CA1275838C Protective article
10/1990
10/30/1990CA1275617C Coated metal pipe having bending capability
10/24/1990EP0393433A2 Process for lining the inner wall of a concrete pipe and device for carrying out this process
10/23/1990US4965119 Tapered roofing tape
10/23/1990US4965036 Method of lining a pipe with a tube including passing heated fluid through the bores of the tube
10/23/1990US4964440 Ribbed pipe
10/19/1990WO1990012657A1 Epoxy/polyolefin coating process
10/19/1990CA2049289A1 Epoxy/polyolefin coating process
10/17/1990EP0392026A1 Tube used for lining of conduit
10/16/1990US4962958 Lining laminate for a pipeline
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