Patents for F16L 57 - Protection of pipes or objects of similar shape against external or internal damage or wear (3,889)
07/1987
07/22/1987EP0229463A2 Compounded adhesive formulation and compositive hose made with the same
07/14/1987US4679824 Fluid-tight coupling for two sections of a fluid line
07/14/1987US4679600 High tensile strength removable hose covering
06/1987
06/30/1987US4676276 Preventing ductile fracture propagation; glass fibers in curable matrix
06/23/1987US4675221 Fire sleeve for hose
05/1987
05/26/1987US4667733 Protective device for heat exchangers placed in a duct for smoke filled with fine particles of ash
04/1987
04/16/1987DE3536362A1 Elastic protective body for tubes
03/1987
03/31/1987US4653777 Articulate bent pipe for transportation of powder and slurry in dry or wet state
03/24/1987US4652475 Thermoplastic-elastomer bonding
03/24/1987US4652020 Pipework
03/19/1987DE3532983A1 Structural part for ventilating lines
03/04/1987EP0212003A1 Protective device for heat exchangers placed in fine ash particles-laden smoke duct
02/1987
02/24/1987US4644977 Stain resistance, wear resistance
02/24/1987US4644975 Device for preventing rupturing of a pipeline
02/17/1987CA1218005A1 Coated recoverable articles
02/12/1987WO1987000761A1 Composite fire stop device
02/10/1987US4641864 Wear resistant pipe bend for slurry transport
02/10/1987US4641450 Tube having strain-hardened inside coating
01/1987
01/22/1987DE3524757A1 Conveying pipe
01/13/1987US4635968 Method and apparatus for protecting consecutive multiple variable diameter couplings
01/06/1987US4633913 Wear-resistant pipe
12/1986
12/31/1986CN85104756A Anti-erosion protrusions for wear surfaces in fluid conduits
12/03/1986EP0203497A2 Longitudinally split tubular envelope, particularly a cable sleeve, of shrinkable material
12/02/1986CA1214733A1 Coated pipe having bending capability
11/1986
11/25/1986US4624486 Structure at resin pipe connections
11/11/1986US4621953 Anti-erosion protrusions for wear surfaces in fluid conduits
10/1986
10/21/1986US4617822 Tell-tale wear monitor for pipes having wear resistant inner linings
10/15/1986CN86102564A Flexible blanket
10/08/1986EP0196557A1 Fluid-tight coupling device for two sections of a conduit
09/1986
09/23/1986US4613165 Increased tensile strength variable diameter protective joint
09/16/1986US4612239 Lamination, heat insulation
09/16/1986US4611656 For use in producing oil, gas and other fluids from subterranean formations
09/16/1986US4611635 Coated pipe having bending capability
09/03/1986EP0193034A1 An articulate bent pipe for transportation of powder and slurry in dry or wet state
09/03/1986EP0080508B1 Short radius, low wear elbow
09/03/1986CN85108245A Process for the preparation of novel crystalline form of benzothiazine dioxide salt
08/1986
08/20/1986EP0191069A1 Method for inhibiting the wear of surfaces of equipment for the treatment of mixtures in water or in humid air
08/19/1986US4606556 For use in transporting fluent material
08/12/1986CA1209572A1 Crystalline form of benzothiazine dioxide salt
08/12/1986CA1209495A1 Apparatus and method for arresting ductile fracture propagation
08/06/1986EP0189412A1 Descaling process
07/1986
07/29/1986US4602807 Rod coupling for oil well sucker rods and the like
06/1986
06/18/1986EP0184980A2 Method for lining steel pipes with a mechanical protecting layer
06/17/1986US4595319 Pneumatic conveying system elbow
06/17/1986CA1206130A1 Valve body with powdered metal lining and method for making the same
05/1986
05/28/1986EP0182572A1 Novel crystalline form of benzothiazine dioxide salt
04/1986
04/29/1986US4585036 Distribution elements placed between bindings and the bodies bound thereby
04/16/1986EP0178248A2 Steel pipe as a crack stopper for gas main
04/15/1986US4582831 Antiarthritic agents
02/1986
02/27/1986WO1986001277A1 Method for inhibiting the wear of surfaces of equipment for the treatment of mixtures in water or in humid air
02/25/1986US4572548 Pipelock
01/1986
01/14/1986US4564319 Flexible tube for conveying a mixture of a liquid and a solid material
12/1985
12/24/1985US4559974 Wrapping with band containing high strength fibers in resin, and curing
11/1985
11/26/1985US4554721 Method of manufacturing a wear resistant pipe
11/05/1985CA1196298A1 Flange protector
10/1985
10/15/1985CA1195265A1 Wraparound device
10/02/1985EP0156550A2 Improvements in or relating to pipework
09/1985
09/04/1985EP0153816A2 Coated pipe having bending capability
08/1985
08/27/1985US4537224 Rubber tube for dredging work
08/27/1985US4537223 Rubber tube for dredging work
08/21/1985EP0151670A2 Pipe break prevention device
07/1985
07/18/1985WO1985003114A1 Method for making a failure-resistant damper
07/02/1985US4526208 Tile-lined pipe with subdivided tiles therein and methods of production thereof
05/1985
05/09/1985WO1985002002A1 Descaling process
04/1985
04/24/1985EP0138742A2 Process to produce a mechanical protective layer for steel pipes
04/09/1985US4509559 Heat reflective layer, intumescent layer, and endothermal layer
03/1985
03/26/1985US4506865 For installation in a pipeline
02/1985
02/05/1985CA1182183A1 Device for improving the resistance and the stiffness of a subsea conduit
01/1985
01/23/1985EP0132219A1 Anti-corrosively coated pipe with a mechanical insulating layer
01/15/1985US4493864 Coated pipe and method of making same
01/08/1985CA1180668A1 Metallic protector for threaded drill pipe ends
12/1984
12/19/1984EP0128575A2 Protector for the end of a tube provided with internal or external screw threads, and device for making such a protector
11/1984
11/27/1984US4484969 Method of winding tile-lined piped with subdivided tiles therein
11/27/1984US4484770 Tubing and fittings with cast-in-place liners
11/07/1984EP0124447A2 Bearing pads placed under bindings, and bodies bound thereby
11/06/1984CA1177418A1 Wrap-around device
11/06/1984CA1177416A1 Apparatus for pipe protection
10/1984
10/30/1984US4479743 Wear resistant insert for particulate material flow ducts
10/24/1984EP0122382A1 Erosion resistant elbow for solids conveyance
10/23/1984US4478253 Erosion resistant elbow for solids conveyance
10/23/1984US4478252 Device for enclosing objects
10/02/1984US4474217 Hose structure
09/1984
09/05/1984EP0117331A2 Lance pipe
09/04/1984US4469468 Apparatus for jumping a moving object from one place to another and a method of using it
08/1984
08/29/1984EP0117057A2 Abrasion resistant sleeve
07/1984
07/24/1984US4461498 Coupling members for pipeline assemblies
07/24/1984US4461324 Rubber hose
07/17/1984US4460140 Fluid applicator
07/10/1984US4458404 Method of making sleeved drill pipe
06/1984
06/27/1984EP0111589A1 Elbow element
06/26/1984CA1169790A1 Stabilized sleeve arrestor
06/05/1984US4452279 Silicone/elastomer fiberglass sleeves
06/05/1984CA1168599A1 Crack arresting device for limiting propagation of cracks in welded structures fabricated from sheets
05/1984
05/22/1984US4449852 Coverings of fiber-reinforced resin encapsulated by a polymer-concrete; underwater pipes
05/08/1984US4447076 Conduit assembly
04/1984
04/25/1984EP0106424A1 Valve body and method of producing same
03/1984
03/27/1984CA1164369A1 Short radius, low wear elbow
03/13/1984US4436118 Sleeved drill pipe
02/1984
02/22/1984EP0101289A2 Flange protector
02/14/1984CA1162265A1 Heat recoverable connector
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