Matches 101 - 150 out of 251 < 1 2 3 4 5 6 >
Match Document Document Title
5145290 Pipe-laying apparatus  
Apparatus for laying pipe in a trench includes a housing with a bottom, side walls, a leading end wall and a trailing end wall, with a tapered nose at the leading end, the nose being designed to be...
5116654 Self-dispensing spaced electronic markers  
A marker tape for location of a buried conduit, having a plurality of electronic markers spaced thereon at predetermined intervals. The distance between the markers encodes information about the...
5099889 External pipe protector  
An external pipe protector for protecting steel or plastic pipe against damage is disclosed. The protector includes a flexible sheet of shock absorbing material which is shaped and sized to...
5096332 Method for water leakage prevention in pipeline and liner for water leakage prevention  
A method for preventing water leakage into and out from a pipeline utilizes an injection material and a liner. The injection material exhibits fluidity and hardenability. The liner includes an...
5085539 Method and arrangement for influencing the interaction between a layer of earth and a structure situated in association with the layer of earth  
The present invention relates to a method and an arrangement for influencing the interaction between a layer of earth and a structure situated in association with the layer of earth. What is...
5044303 Sub-surface conduit marking apparatus  
A conduit marking device including one or more strips of flexible material coupled adjacent one end to a fastening member configured for coupling to a conduit member. The strips, when coupled to...
5035540 Shallow water pipeline tracker system  
A method and apparatus for conducting a survey to determine the location and elevation of a buried pipeline located in a shallow water environment. The method includes determining whether submerged...
5022459 Flexible hose heat exchanger construction with combination locating and thawing wire  
A flexible hosing for circulation of a heat transfer fluid to effect heat exchange within a concrete or other type of slab. An inner wall comprising nylon, rayon or other similar material forms an...
5017873 Methods and apparatus employing permanent magnets for marking, locating, tracing and identifying hidden objects such as buried fiber optic cables  
In order to locate, trace, and identify hidden elongated objects, such as buried fiber optic cables, the objects are provided with elongated permanent magnet identifier devices having magnetic...
4995168 Technique for locating submerged and buried pipelines  
Apparatus for locating submerged buried pipelines includes a barge having a template providing a multiplicity of probes lowerable into the sea floor to contact the pipeline. A trench is excavated...
4993875 Pipe sealing and anti-corrosion system  
An anti-corrosion sealing assembly for use between a protective casement sleeve and a pipe to be protected is disclosed. The pipe extends through the protective casement sleeve such that an annular...
4988236 Polymeric tape with biocide  
A polymeric tape intended for use underground near service lines with a biocide incorporated into the polymer. The biocide's presence in the tape after burial discourages vegetative, fungal or...
4979462 Systems and methods for indicating the location of various structural members in concrete members  
The locating of structural members disposed within the interstices of a concrete member can be accomplished by employing at least one indicator capable of showing the position of the structural...
4958958 Subterranean heat insulated pipe system with a bending, and a method of establishing such a system  
In a subterranean heat insulated pipe system as laid with angellike bendings between straight pipe lengths, i.e. a district heating pipe underneath a street angle, the conventional bending elements...
4949664 Warning tape for underground lines  
An elongated tape for marking underground lines having a cross-woven scrim formed by a first plurality of elongated plastic fibers disposed parallel to the axis of elongation of the tape and a...
4941773 Method for thermal insulation of pipeline bundles under water and pipelines insulated in this way  
For heat insulation of pipeline bundles under water the invention proposes to fill the space between one or more gas or fluid conducting lines and a surrounding carrier pipe with a crude oil...
4932810 Corrosion protection system for a pipeline crossing  
In a pipeline crossing, a carrier pipeline is annularly surrounded by a casing with the ends of the casing vented to the surface and sealed with the periphery of the pipeline to minimize corrosion...
4930536 Pipeline road crossing sealing system  
In a pipeline road crossing a pipeline is loosely surrounded by a casing under the roadbed with its ends vented to the atmosphere and sealed with the periphery of the pipeline to minimize oxidation...
4921374 Method for repairing underground sewer lines  
A process for repairing underground sewer lines by preventing the infiltration of groundwater into a leaking sewer line comprising determining the location of the leakage into the sewer line,...
4918885 Method and apparatus for inhibiting ice mass formation  
In a method and apparatus for inhibiting ice mass formation around equipment housed in a chamber subject to water penetration, a plurality of compressible, non-absorbent, smooth-surfaced blocks are...
4915055 Conduit locator  
This conduit locator is designed to indicate the location of an end of a conduit after concrete is poured over the conduit. Primarily, it consists of an adhesive tape having a multiple number of...
4913588 Method and means for providing a thermic insulating effect around an article, such as a pipeline which is submerged in water  
A method and apparatus for insulating a pipeline (1) which is more or less submerged in the sea bottom consists in that the insulation (3) is made directly at the pipeline (1): the substances for...
4896997 Cable sheathing and burying method  
The apparatus of the instant invention includes a surface traversing mobile frame which, in the preferred embodiment, transports the elements of the invention. Means for dispensing a continuous...
4889450 Guidance and protection system for the laying of pipes  
The invention concerns a system of guidance and protection for the laying of pipes. The system according to the invention includes a sleeve formed by at least two truncated cones, the center of...
4879162 Buryable warning tape  
A buryable warning tape comprises a length of woven polyolefin fabric. Visible indicia are printed on a first face of the fabric in ink which is essentially nondegradable during burial, typically...
4877354 Pipeline anode  
Providing circumferential grooves in bracelet-type anodes on a pipeline provides for preservation of anode effectiveness during bending of the pipeline, such as in reeling operations.
4863312 Underground leachate and pollutant drainage barrier system  
A leachate and pollutant drainage barrier system is formed by excavating a narrow slit or slot in the earth in the presence of a reversable slurry mud which changes from a highly viscous character...
4844657 Pipe supporting dam assembly for pipeline construction and method  
A pipe supporting dam assembly and method for pipeline construction employing a planar dam sheet with a collar and a flexible sleeve for receiving and supporting the pipe, and clamping means to...
4815896 Deep sea shark cable protectors  
Deep sea shark cable protectors of the invention are lengths of pipe which encircle the cable, having a plurality of spaced apart spikes extending outwardly around the circumference of the pipe to...
4806049 Process and device for temporarily supporting the walls of a trench  
In a trench is disposed a closed flexible envelope filled with a fluid having a density or pressure greater than that of the surrounding fluid, movable by itself under the effect of the pressure...
4790686 Protected metal article  
A culvert having a corrosion resistant composite coating and a method of producing the corrosion resistant composite coating. The coating method is for use in a coventional hot dip coating line of...
4789005 Marine growth retarding hose  
A flexible hose suitable for use in seawater contains a small amount of copper dust in its elastomeric cover. The copper dust, even though present in a small amount, inhibits marine growth on the...
4781958 Sealed edge detectable tape  
A detectable tape including a ductile metal foil layer which is enclosed in a sheath of thermoplastic coating which provides a sealed edge along the length of the tape. The thermoplastic coating...
4767237 Marking tape with wire conductors and methods for use  
A marking tape that is positioned underground above utility lines wherein the marking tape carries a pair of closely spaced, parallel, insulated conductors that extend the length of the tape and at...
4699838 Reinforced metallic and polymer tape  
A reinforced metallic and polymer tape which has a light reflecting metallic layer and can have a color coating. The reinforcing material is usually a nonwoven clear resin through which the color...
4676695 Method for preventing thaw settlement along offshore artic pipelines  
A method for installing a pipeline for transporting a warm fluid, such as newly-produced oil, across arctic seafloor underlain by a permafrost zone without danger of rupture of the pipeline caused...
4654639 Signaling material and method for protecting subterranean structures  
A pipeline or other subterranean structure is protected by burying above it a signaling material in the form of a continuous support of a material having low resistance to rupture by carrying at...
4653958 Modular secondary containment kit for housing pipelines  
A kit for forming a secondary confinement installation for protecting earth from contamination due to leakage and spills from pipelines in small installations, such as service stations. The kit...
4629363 Continuous conduit laying apparatus  
A continuous concrete encased conduit laying apparatus is attached to the rear of a tractor in a cantilevered fashion and can be raised and lowered into the ground by the tractor. The apparatus has...
4629364 Method and system for relieving pipeline stress due to frost action  
A system and method for relieving frost-heaving stresses in a pipeline for ransporting a product at a temperature less than 32° F. where said pipeline passes through frost-susceptible ground in a...
4623282 Locating elements of construction beneath the surface of earth soils  
Locating underground utility lines or elements of construction with a frangible body or tape. The tape includes printing indicia identifying the type of underground facility with the printing...
4616957 Pipeline padding machine  
A machine for depositing pipeline padding material in a pipeline ditch in the form of an attachment for a bulldozer blade which is driven from the hydraulic system of the bulldozer and includes an...
4605338 Culvert  
An arch-culvert structure for use in the construction of culverts or the like, includes a corrugated metal conduit and corrugated metal or concrete wings extending outwardly from the top sides of...
4573829 Plastic-pipe locator tool  
To assist in locating an underground or otherwise hidden non-electrically-conducting plastic pipe carrying a fluid such as heating gas a tool is provided which comprises a reel of relatively stiff...
4562635 Method for installing an automatic vehicle guide path in wood block floors  
A method for installing a guide path for an automatic guided vehicle system in a wood block floor includes the step of cutting a slot in the floor corresponding to the system layout, inserting a...
4563107 Arch beam structure  
An arch-beam structure for use in combination with a culvert or the like includes a panel, which is cast or placed on the usual metal culvert conduit, the panel covering the top of the conduit, and...
4554724 Method for installing an automatic guided vehicle system guide path  
A method for installing an automatic guided vehicle system guide path in the form of an inductive loop disposed beneath the floor of a factory or other facilities includes the steps of establishing...
4553879 Pipelaying in artic offshore waters  
The present invention provides a method and apparatus for constructing pipelines in Arctic offshore waters by a directional drilling technique, thereby minimizing exposure to ice gouging and...
4498812 Process for laying a submarine cable  
An underwater electric power cable which has a minimum radius of curvature to which it can be bent without damage and which can be suspended between underwater suspension points in no greater than...
4488836 Method and apparatus for embedding a pipe in a trench in weak ground  
A trench is dug under the pipe. A collapsible means formed by a supple and deformable envelope is conveyed into the trench as it is dug in a state folded or coiled upon itself. The envelope is...
Matches 101 - 150 out of 251 < 1 2 3 4 5 6 >