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US20090293979 |
METHOD OF LINING PRE-EXISTING PIPES OR PASSAGES AND APPARATUS THEREFOR
A method and apparatus for lining a pre-existing pipe or passage having at least one curved section or bend along its length with a pipe assembly ( 10 ) is disclosed. An assembly is formed from a...
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US20090288726 |
METHOD OF LOCATING LINER WITHIN SEWER PIPE
A method of inserting a cured in-place pipe from a cleanout includes positioning a lining along a portion of a length of a bladder, wherein the lining is frangibly connected to the bladder,...
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US20090272452 |
SYSTEMS AND METHODS FOR LOCATING AND RESTORING SERVICE LINES IN PIPELINE REHABILITATION
Embodiments of the present invention include a system for locating and restoring service lines during pipeline restoration. According to some embodiments of the present invention, the system...
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US20090255275 |
METHOD FOR IMPROVING RESIDUAL STRESS IN PIPE AND APPARATUS
An method for converting tensile residual stress on an inner surface of a welded part of a pipe to compressive residual stress with use of ice plugs formed by cooling the pipe from the outer...
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US20090229695 |
Apparatus and Methods for Indicating Seal Leakage
Apparatus and methods for indicating seal leakage between two components are provided. In one aspect, apparatus and methods for directing material penetrating a leaking nozzle repair shield seal to...
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US20090211072 |
METHOD FOR JOINING TOGETHER STEEL PIPES FOR CONVEYING FLUIDS UNDER PRESSURE
Method for joining together steel pipes for conveying fluids under pressure, characterized by the following steps: a) identifying a pipe section to be replaced and intercepting, by means of the...
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US20090199922 |
Plugging Device and Method
A plugging device ( 1 ) includes a bladder ( 2 ) which is adapted to expand or contract upon the ingress or egress of a fluid, such as air or other type of gas or liquid. Bladder ( 2 ) can be...
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US20090194184 |
DEVICE AND METHOD FOR REPAIRING PIPE
The present invention relates to a new liner for repairing a damaged portion of a pipe. A lining tube formed from a non-resin absorbent material has an exterior surface adapted to receive a curable...
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US20090194183 |
BLADDER AND METHOD FOR CURED-IN-PLACE PIPE LINING
A fiber reinforced non-stick plastic bladder is provided. The bladder preferably includes a bladder body formed of a fiber reinforcing material layer with a coating on the bladder body made of a...
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US20090139593 |
Flexible Insert Tube for the Lining of Pipelines and of Ducts, in Particular of Sewers
The invention relates to a flexible insert tube ( 1 ) for the lining of pipelines ( 2 ) and of ducts, in particular of sewers ( 4 ), where the flexible insert tube ( 1 ) has at least two sublayers...
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US20090123234 |
Systems and Methods for Pipe Replacement
Systems and methods for concurrently destroying old pipes and installing new pipes in their place. An exemplary embodiment is a pipe bursting and replacement tool that includes a body and first and...
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US20090038702 |
Cost effective repair of piping to increase load carrying capability
A pipe repair process that uses low modulus materials with good compressive strength in a compression layer that transfers pressure loads between high modulus repair layers and increases the...
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US20090038703 |
SYSTEM AND METHOD FOR CONDUIT REPARATION
Disclosed is a system and method for conduit expansion for use in expanding a liner conduit within a host conduit. The system includes injection hardware positioned on a first end of the liner...
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US20090020180 |
SEALING APPARATUS
An apparatus for sealing a pipe having a defect or penetration comprises a housing coupled to the pipe by a clamp member. A piston is mounted in the housing and the piston and housing define a...
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US20080277013 |
Pipe and Tube Rehabilitation Liners and Corresponding Resins
A material composition and method for making flexible inversion liners having glass fibers added for strength is disclosed. The liner combines a first layer of polyester felt, an open-faced knit of...
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US20080268389 |
Insert Tube and a System of Insert Tubes
An insert tube is used for the repair or improvement of a pre-heating tube for air arranged in an exhaust gas pathway of a fuel burner. A pre-determined radial gap exists between the outer surface...
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US20080245433 |
LATERAL LINER WITH SEAL
A lateral liner assembly provides for sealing of the junction between a lateral sewer line and a main sewer pipe. The lateral liner assembly includes a body portion attached to a collar portion. A...
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US20080223469 |
MULTIPLE CONDUIT-REPAIR METHOD
A method for repairing multiple conduits using a vacuum collapsed, elastic liner involves providing a quantity sufficient for multiple repairs to the work sight and inserting a length into the...
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US20080205991 |
Underground and Partly Submerged Pipe Winding Apparatus and Method
An apparatus and method for lining an underground conduit is disclosed. The apparatus 10 comprises: an annular frame 40 having a crown portion 42 and a base portion 49 ; a strip guide...
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US20080178955 |
SYSTEMS AND METHODS FOR PIPELINE REHABILITATION INSTALLATION
Embodiments of methods for pipeline rehabilitation include deploying a tubular liner along an inside of a pipeline, deflating the tubular liner to form a trough, and injecting grout into the...
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US20080169036 |
Lateral pipe lining material and lateral pipe lining method using same
A lateral pipe lining material is comprised of a tubular resin absorbing material impregnated with a setting resin and has a flange formed on one end thereof. A peeling tube is mounted to an outer...
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US20080105320 |
Rehabilitating Pipe And Method For Repairing A Pipeline Installation Using Rehabilitating Pipe
Integrally formed plastic segments comprising an inner surface plate constituting an inner peripheral surface and lateral plates vertically arranged on an edge part of the inner surface plate...
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US20080092972 |
Method of Repairing a Leak in a Flange of a Gas Pipe
A method of repairing a pipe ( 11 ) containing a pressurized fluid and having at least one leak, for instance in a flange ( 10 ), including the steps of installing a flexible and sealed casing ( 12...
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US20080078463 |
METHOD AND DEVICE FOR LINING PIPE
The present invention is a new liner assembly for use in pipes constructed from a flexible liner formed from a resin absorbent material. A compressible material, such as stitch-bond or foam, is...
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US20080047624 |
Installation of sealant materials for repair of underground conduits
A method and apparatus for use in repairing an underground conduit, such as a sewer pipe. A tubular bladder is filled within a selected portion of the length a conduit to occupy a large part of the...
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US20080023091 |
METHOD FOR SEALING A CONDUIT AND COMPOSITION FOR USE THEREIN
A grout for repairing a conduit, such as an underwater conduit comprises, as mixed, from 40 to 50 wt % cement; from 25 to 35 wt % water; and, from 0.05 to 0.25 wt % psyllium husk; based on the...
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