2334results about "Cable terminations" patented technology

Methods and apparatus are provided for obtaining a secure mechanical connection and a pressure-tight seal in the overlapping area of two telescoping tubular bodies. The two bodies, including the overlapping area, are radially expanded to increase the inside diameter of the bodies. The expansion forces an annular seal in the overlapping area into a pressure-sealing engagement between the bodies. A string of pipe assembled from joints secured to each other by telescoping, threadedly engaged expanded pin and box connections may be radially expanded into a surrounding well bore to provide a cased well having an internal diameter greater than the original internal diameter of the pipe string. The seal in the connection comprises an annular elastomeric seal ring and an annular Teflon spacer ring carried in a specially dimensioned groove formed in either the box or the pin, or both members of the connection. Radial expansion of the connection causes axial contraction of the groove, which acts with the spacer ring to expand the seal ring radially to seal the annular space created between the expanded pin and box.

A broadband access transmission network integrating the functions of electric power network, communication network, TV network and Internet relates to network transmission. It includes a broadband transmission network of 10 KV power distribution network and a broadband transmission network of low-voltage power distribution network. These two transmission networks are connected via distribution transformers and optical fiber connectors. The broadband transmission network of 10 KV power distribution network is composed of optical compound power lines, wires, transformer substations, machine rooms, taps, insulating jackets, insulating waterproofing outer jackets and optical fiber connectors. The broadband transmission network of low-voltage power distribution network is composed of optical compound power lines, coaxial cable compound power lines, taps, insulating jackets, optical access points, distributors, modems and two-way amplifiers. The invention can perform high-speed broadband communication and power transmission on the same compound wires. It utilizes the existing power network sufficiently and prevents the cost of rebuilding the communication network, cable TV network and Internet, and can simultaneously perform building, operating, maintaining and managing of these networks.

An apparatus and method for sealing pipes or underground structures is provided. In one embodiment, the end of a pipe is sealed by the use of a pipe liner and a sealing member. The sealing member may be a hydrophilic material, a hydrophobic material, a compressible material, or a paste. The sealing member is held in place by a mechanical fastener and a liner is installed adjacent the sealing member and against the wall of the pipe or other structure to be sealed. In another embodiment, a manhole is sealed by the use of a sealing member, a mechanical fastener, and a manhole liner.

An EMI shielding spacer gasket assembly for interposition under a predetermined compressive load within an electronics enclosure between a first surface and an oppositely-disposed second surface of the enclosure. The assembly includes a frame member and an electrically conductive, elastomeric member extending along at least a portion of the perimeter of the frame member as retained on a corresponding peripheral edge surface thereof. The elastomeric member has an outboard side which is compressible axially under the compressive load for providing an electrically conductive pathway between the surfaces of the enclosure. In an uncompressed orientation, the outboard side of the elastomeric member exhibits elongate upper and lower bearing portions which are disposed at a spaced-apart radial distance from the frame member to define a corresponding bending moment arm. Each of the bearing portions is angularly deflectable relative to the moment arm to effect the compression of the elastomeric member under a relatively low compressive load.

A method and apparatus for coupling together the ends of two steel pipe sections, each of which contains a permeable inner liner, in which not only are the pipe ends held in abutting engagement, but gas contained within the liner of one pipe section is effectively channeled into the liner of the other pipe section.

A busbar assembly for electrically connecting a plurality of conductors includes a housing defining an interior cavity and first and second ports. The first and second ports each include a conductor passage and communicate with the interior cavity. The conductor passages are each adapted to receive a conductor therethrough. An electrically conductive busbar conductor member is disposed in the interior cavity. At least one holding mechanism is provided to selectively secure each of the conductors to the busbar conductor member for electrical contact therewith. Sealant is disposed in the conductor passages of each of the first and second ports. The sealant is adapted for insertion of the conductors therethrough such that the sealant provides a seal about the inserted conductors. The sealant may be a gel.

A gasketed pipe joint including a dual-functional, composite gasket, which in addition to forming a seal between a pipe bell and a spigot provides a molding surface for forming a bent retainer in the hub of the pipe or fitting. The dual-functional composite gasket comprises a first axially disposed portion formed of a non-elastomeric, substantially rigid, substantially non-resilient plastic material and has a first leading edge and a first trailing edge, and a second axially disposed portion, adjacent the first axially disposed portion, formed of an elastomeric material. Preferably, the gasket comprises a major portion of the non-elastomeric, substantially rigid, substantially non-resilient plastic and a minor portion of the elastomeric material.

An electric submersible pump is provided having a pothead connector for use to connect a downhole cable to an electric motor of the submersible pump. The pothead connector has a housing having an upper and a lower end. The downhole cable has electrical conductors which are separately covered by insulation layers. The downhole cable extends through the upper end and into the housing, and then is electrically connected to the electric motor through the lower end of the housing. Two insulating blocks are provided in the lower end of the housing for separating electrical conductors in alignment for mating with a connector mounted to the electric motor. A conductor pin is secured to the insulating block and to each of the conductors. An elastic sealing ring is disposed within the housing, intermediately between the two insulating blocks. An epoxy layer are disposed within the upper end of the housing.

A composite sleeve seal for sealing a conduit connection including a body portion having collar sections spaced apart from one another to define gaps therebetween, and being interconnected to one another by link segments spanning the gaps. A seal portion interposes the collar sections in the gaps and surrounds the link segments to positively interlock the seal portion with the body portion to form the composite sleeve seal as one integral component.

A flame resistant gasket for interposition between the interface surfaces of a pair of mating pipe flanges. The gasket includes a metal retainer member having generally planar first and second surfaces with at least one aperture formed therethrough which is configured for generally coaxial registration with a fluid passageway defined through the pipe flanges. At least one generally annular, flame resistant outer seal member is supported on the retainer member as disposed coaxially with the aperture thereof a spaced-apart, radially outward distance therefrom. The outer seal member has oppositely-disposed first and second outer radial sealing surfaces for abutting contact with a corresponding one of the interfaces surfaces, and is compressible axially between the interface surfaces for effecting a first fluid-tight seal about the fluid passageway. At least one generally annular, elastomeric inner seal member optionally is attached to the retainer member as disposed coaxially with the aperture thereof radially inwardly of the outer seal member. The inner seal member has oppositely-disposed first and second inner radial sealing surfaces for abutting contact with a corresponding one of the interfaces surfaces, and is compressible axially between the interface surfaces for effecting a second fluid-tight seal about the fluid passageway.

A high speed cable to carry signals according to the High-Definition Multimedia Interface and Universal Serial Bus 3.0 standards is disclosed. The cable includes a raw cable, having a conductive braid, a ground wire, signal lines; and two terminating assemblies at each end of the raw cable. The conductive braid is coupled to the ground wire in each of the terminating assemblies through a respective inductor to reduce the ground resistance of the cable, thus permitting construction of a thinner, lighter, and more flexible cable.

A conduit system for laying cables along the floor of a passenger cabin of an aircraft includes longitudinal and transverse cable guide elements respectively forming cable channels, and cable branch junctions at intersections of the longitudinal and transverse guide elements. Each guide element includes a lower part secured to the cabin floor, and an upper part secured (e.g. snap fitted) onto the lower part to cover the cable channel. The cable branch junction includes a lower section secured to the floor and covered by an upper section, and allows the cables to continue straight through the junction or to be deflected by 90° or by 180°. With this arrangement, a greater number and greater diameter of cables can be laid out with a minimal installation effort. The components of the system are easily adaptable to any required installation layout, while providing a continuous covered protected enclosure for the cables.

A gasket system for sealed interfaces utilizes a carrier ring having inner and outer compression stops to account for and control flange rotation effects in order to achieve a uniform and constant gasket seating stress across the sealing region. The inner compression stop provides a fixed fulcrum for flange rotation. The inner and outer compression stops have different heights, dependent upon the characteristic flange rotation, that allow the orientation of the sealing material to be angularly matched to the flange side profile and that allow the sealing material to be fully captured within the sealing region upon full compression, minimizing creep relaxation. A visual compression indicator on the circumference of the carrier ring permits assembly of the interface without the use of specialized or calibrated tools.

An improved keeper for positioning ring seals is provided. The keeper includes a substantially planar sheet defining upper and lower surfaces. Projecting through the planar sheet are one or more holes configured for affixing corresponding one or more ring seals. The keeper further includes one or more nodes which extend outwardly from the planar sheet beyond the dimensions of the mating surfaces between which a sealed joint is obtained. The one or more nodes identify the position and number of holes constructed for receiving corresponding ring seals.

Flat gasket ring, in particular for producing a flange connection between moldings, the flat gasket ring having, along its outer circumferential line, lip structures which are intended for accommodating the gasket ring in a positively locking manner in relation to moldings.