The present invention relates to a flexible hose line with a wall, wherein the wall has integrated sensor material which has a material property that varies with an operating parameter of the hose line to be ascertained.

Apparatus for detecting an electrical insult to a gas tubing system and dissipating the energy from such insult. The system includes tubing, at least one terminating connector, and an injury mitigator. The tubing includes a conduit, an insulating layer, a conductive layer, and a jacket. The conduit is connected to earth ground. The conductive layer is electrically insulated from the conduit by the insulating layer. The mitigator includes an insult event detection circuit and an energy dissipation circuit, both electrically connected between the conductive layer of the tubing and ground. Insult indication is provided by a fusible link. Energy dissipation is provided by the fuse, a transient voltage suppression (TVS) device, and/or a spark gap. The TVS device has a setpoint voltage less than the breakdown voltage of the spark gap, ensuring that the TVS device actuates before the spark gap conducts.

A tubing apparatus includes corrugated tubing including convolutions of peaks and valleys; an electrically conductive or semi-conductive, polymer jacket disposed along an exterior length of the corrugated tubing; wherein the jacket includes a conductive material in an amount sufficient to protect the corrugated tubing from damage resulting from electrical arcing at levels of at least 9 coulombs at a waveform of 10 microseconds?1000 microseconds.

One aspect of the invention provides a bushing including: a plurality of rigid members defining one or more internal ribs including a first internal rib adapted and configured to engage a corrugation valley of corrugated tubing; and one or more elastic members adapted and configured to: hold the plurality of rigid members in substantially annular configuration; allow the plurality of rigid members to expand to allow a corrugation peak to pass under the first internal rib; and hold the plurality of rigid members against the corrugated tubing so that the first internal rib lies within a corrugation valley. Another aspect of the invention provides a fitting including: a body member defining a sleeve portion; and a bushing as described herein received within the sleeve portion of the body member.

The invention relates to production of long spiral-welded large polymer products, as required for pipelines production, chemical, oil and gas and petrochemical industries, agricultural complex and utility services. The object of the invention is to create variants of spiral-welded polymer product with a cellular wall, having the internal or external, or internal and external uniform smooth walls with little material consumption, weight and cost. It should allow making products on site due the use of a thin-walled, lightweight, flexible profile. The object is solved owing to fact that a long hollow thermoplastic profile is used in spiral-welded polymer products, wherein the cross-section of the profile has a form of a closed geometric figure with a convex part having essentially the semi-ring shape and flat part that are connected each other, forming the convex and flat parts of the external surface of the profile, respectively.

A flexible tube for conveying abrasive materials which has a tubular body extending along a main extension axis is provided. The tubular body has a thickness extending from an inner side wall, which delimits an inner cavity used for transporting abrasive material, to an outer side wall, opposite to the inner side wall along a radial direction, perpendicular and incident to the main extension axis. The tubular body has a covering layer at the outer side wall and an elastomeric matrix at least partially embedding circular disks having a diameter and flat faces, made of ceramic material, namely a first flat face directly facing the inner cavity so as to at least partially form the inner side wall and a second flat face embedded in the elastomeric matrix.

An internal tube for tanks, particularly fuel tanks of automobiles, wherein the tube has a fluid channel and a tube wall that encloses the fluid channel, wherein the tube wall has a multilayer design and is composed of at least three layers, with one inner layer based on at least one polyolefin being provided, with at least one central layer based on at least one polyamide being present, and with one outer layer based on at least one polyolefin being provided.

The present invention provides an identifiable armored cable sheath. In accordance with an aspect of the present invention, there is provided an identifiable armored cable sheath comprising: an armored cable sheath having an outer surface, and a visual indicia applied on the outer surface of the cable sheath in a patterned arrangement, wherein the visual indicia possesses visibility features in low light. Another aspect of the present invention provides a method of making an identifiable armored cable sheath comprising: providing an armored cable sheath, and applying a visually distinctive tape to the outer surface of the sheath in a patterned arrangement.

Apparatus for detecting an electrical insult to a gas tubing system and dissipating the energy from such insult. The system includes tubing, at least one terminating connector, and an injury mitigator. The tubing includes a conduit, an insulating layer, a conductive layer, and a jacket. The conduit is connected to earth ground. The conductive layer is electrically insulated from the conduit by the insulating layer. The mitigator includes an insult event detection circuit and an energy dissipation circuit, both electrically connected between the conductive layer of the tubing and ground. Insult indication is provided by a fusible link. Energy dissipation is provided by the fuse, a transient voltage suppression (TVS) device, and/or a spark gap. The TVS device has a setpoint voltage less than the breakdown voltage of the spark gap, ensuring that the TVS device actuates before the spark gap conducts.

The present invention discloses a working light, comprising a base, an illumination member and a switch control, a battery is arranged inside said base to supply power to said illumination member, said base is connected to said illumination member by a connection portion, said base and said illumination member are respectively connected to said connection portion by the same connection structures. By this arrangement, said base cannot be connected to said illumination member directly, users would not make mounting errors in use. In a preferred embodiment of the present invention, said connection portion is a serpentine hose or a joint-sleeve, wherein the serpentine hose includes a corrugated pipe and an internal star-shaped pipe, a wire and an iron wire which are arranged inside the corrugated pipe, this serpentine hose couples stiffness with toughness, after adjusting the curved shape, it is not easily deformed. The working light in the present invention overcomes several problems of the current portable illumination light and have a wide range of application, which can satisfy different requirements of users.