Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887)
12/1992
12/16/1992EP0518174A1 Method and apparatus for applying a coating to the inner surface of a pipe
12/15/1992US5171944 Pressure pulsation absorbing device
12/15/1992US5171771 An acrylic monomer, a low-molecular-weight glycol carrier and a free radical initiator; in situ sealing of underground gas pipes by spraying
12/15/1992US5171514 Nozzle dam having a unitary plug
12/15/1992US5171106 Cutting/expanding tool
12/15/1992US5171105 Process and device for lining tunnels and ducts having circular and non-circular cross-sections, especially for canal and tunnel construction
12/15/1992US5170986 Flow control bladders for zone control apparatus
12/10/1992WO1992021909A1 Deformation device for deforming a sealing element made of plastics material fitted in a pipe
12/10/1992DE4118925A1 Sealing device for pipelines and fittings - has two=part pressure-resistant container fitting round unsealed area
12/09/1992EP0517489A1 Method and apparatus for installing a pipe liner
12/09/1992EP0517127A1 Emergency break-away coupling
12/09/1992EP0517056A1 Rotary valve
12/09/1992EP0516945A2 Stiffening device for sheet metal airducts
12/09/1992EP0516841A1 Orifice system.
12/08/1992US5168902 Installing a cylindrical stopper into a conduit
12/08/1992US5168890 Method and device for fitting a rotary throttle unit in a pipe
12/08/1992US5168682 Plastic liners for concrete structural elements and the elements and structures produced thereby
12/02/1992EP0516607A1 Method for internal sealing of the junction between a main and a lateral pipe
12/02/1992EP0516179A2 Apparatus for expanding and sealing a sleeve into a surrounding tube
12/01/1992US5167901 Method of everting a tube
12/01/1992US5167258 Re-lining of sewers
12/01/1992US5167251 Throttle in a hydraulic system
12/01/1992US5167064 For installation in a heat exchanger
12/01/1992US5167056 Apparatus for the lining of existing pipes
11/1992
11/26/1992WO1992020951A1 Pulsation dampening device for pipes and machines
11/26/1992WO1992020504A1 Ultrasonically cured replacement pipe and method of installation
11/26/1992DE4117053A1 Pipe run for carrying solids and fluids in mine - has vertical and horizontal sections and internal throttle sleeve fitted inside vertical pipe joints
11/26/1992DE4116761A1 Device for temporary closure of defective oil riser pipe arrangement - has housing with at one end an opening at which housing can be attached to defective arrangement
11/24/1992US5165439 Frangible connectors
11/24/1992US5165251 Coupler for pipe of cooler unit
11/19/1992EP0514039A1 Towing swivel for pipe inspection vehicle or other pipe vehicle
11/19/1992EP0513125A1 An emergency shut-off device.
11/19/1992EP0513020A1 Fuel-injection nozzle with an overflow-oil line.
11/19/1992DE4213898A1 Remote control repair equipment for underground conduits - has TV camera attached to removably insertable extension
11/19/1992DE4115563A1 System for double lining pipes - first closes branch pipes before rolling in hose filled with glass-fibre plastics
11/18/1992CN2122302U Refrigerator silencer
11/17/1992US5164826 Method and apparatus for visual inspection of the internal structure of apparatus through internal passages
11/17/1992US5164237 High tensile strength woven textile, rubber layer, strength, elasticity
11/17/1992US5163481 Tubular liner for softlining pipe rehabilitation
11/17/1992US5163480 Conduit isolation diaphragm assembly
11/17/1992CA1310282C Quick acting test plug
11/12/1992DE4114859A1 Procedure and device for replacement of brick built sewers - old sewer demolishes and spoil removed and new concrete sewer lining introduced
11/12/1992DE4114666A1 Pipe-laying device to replace old pipes - has guide head and basket with rotatable drilling head breaking up old pipe and enlarging pipe trench
11/11/1992EP0512485A2 Cut off valve system for fluid delivery pipes
11/10/1992US5161864 Adjustable pressure control device for hydraulic brake systems
11/10/1992US5161835 Pipe joint mechanism having high maintainability with wrap-around seal member
11/04/1992EP0511934A1 Vehicle with an apparatus for inspecting pipes
11/04/1992EP0511260A1 Improvements relating to the lining of pipelines or passageways.
11/04/1992EP0511214A1 Fixing device.
11/03/1992US5160476 Method for producing a resin pipe for use as the inner lining of existing pipes
11/03/1992US5160226 Tapered expansion sealing plug
11/03/1992US5159983 Thermite reaction
10/1992
10/29/1992WO1992018800A1 Plumbling apparatus
10/29/1992WO1992018322A1 Pipe joint member
10/29/1992DE4113881A1 Pressurised pipe connection - has locking unit tensioned against pipe end face seal
10/29/1992CA2085886A1 Pipe joint member
10/28/1992EP0510784A1 Tubular liner for pressure pipes
10/28/1992EP0510306A1 Method and apparatus for manufacturing a reinforced curable plastic tube
10/28/1992EP0510089A1 Method for lining the inside of an accessible pipe and tunnel ring for implementing same.
10/28/1992EP0510042A1 Damper for hydraulic clutch actuator
10/28/1992EP0307416B1 Sanitation machine for repairing and sealing inaccessible ducts
10/28/1992CN2120246U Gate valve capable of cutting out pipeline
10/27/1992US5158200 Tank connector construction and method of fabrication
10/27/1992US5158162 Tube vibration dampener and stiffener apparatus and method
10/27/1992US5157982 Rotary actuator
10/27/1992CA1309426C Damping treatment for pipes and bodies
10/27/1992CA1309333C Method of and means for lining and over-wrapping of conduits and the lining of tunnels
10/24/1992CA2054141A1 Earth duct tunnel enlargement apparatus and method
10/22/1992DE4114750A1 Shutting off flow in high pressure pipes remote from danger area or pipe end - uses circular cutter in support housing and shaft and valve, suitable for medium being carried by pipe or oil well probe
10/22/1992DE4112344A1 Sealing oil and gas well pipelines and extinguishing fire - by sawing through half pipe cross=section with very thin blade, inserting slide plate
10/21/1992EP0509344A1 Pressure hose and tubular throttle insert therefor
10/20/1992WO1992018395A1 Assembly of mouthpiece, stopper and lock for shutting off a pipe mouth
10/20/1992US5156886 Attaching covering to wall, boring hole near leak, inserting nozzle and tube, spraying anaerobically setting sealant over void to prevent leakage
10/20/1992US5156680 Flow restrictor for a fluid
10/20/1992US5156483 Seal device for hollow shaft
10/20/1992US5156190 Hydraulic safety hose with fluid removal conduit
10/20/1992CA2108787A1 Assembly of mouthpiece, stopper and lock for shutting off a pipe mouth
10/18/1992WO1992018799A1 Pulsation damper for a pumped liquid system
10/18/1992CA2107919A1 Pulsation damper for a pumped liquid system
10/15/1992WO1992017728A1 Modular robot system for sewer renewal
10/15/1992WO1992017724A1 Device for trench-free replacement of underground pipelines
10/15/1992WO1992017359A1 Cornering pipe traveler
10/15/1992DE4112038A1 Method of closing pipe containing high speed or high pressure contents - consists of piercing hole in outer casing and inserting grid of bolts or rods
10/14/1992EP0508085A2 Installation pipe or downpipe with pipe clamp
10/14/1992CN2118609U Sealed type drilling threading machine
10/13/1992US5154936 Apparatus for everting a tube
10/13/1992CA2062842A1 Pipeline vibration damper
10/07/1992EP0507705A1 Liquid supply device provided with a noise and water hammer attenuator
10/07/1992EP0506837A1 Locking device.
10/07/1992CN1018573B Method for quick and easy repairing burst of submerged steel pipe
10/06/1992US5153718 Cutting apparatus with viewer
10/06/1992US5152635 For a fluid carrying pipe
10/06/1992US5152311 Method for preventing fluid from reaching a portion of a pipe
10/06/1992CA1308324C Constant pressure variable flow pump
10/01/1992WO1992016987A1 Heat reshapeable rigid conduit
10/01/1992WO1992016784A1 Method and apparatus of lining a passageway
09/1992
09/30/1992EP0506513A1 Flow control valve
09/30/1992EP0506181A1 Method for lining from the inside a connection between a main pipe and a branch pipe, using an expandable sleeve of hardenable material, and a sleeve suitable for the purpose
09/30/1992EP0506142A1 A seal
09/30/1992EP0505704A1 Sealing device for cylindric apparatus, especially to plug pump tubes inside nuclear reactor containers