Abstract: A cable for holding a bundle of cable lines of different sizes having a channeled body (1) which can be anchored to a support, the body having a baseplate (2), two side walls (3 and 4) and a plurality of covering brackets (6) integrally hinged to the upper edge of one of the walls (3). The brackets have at their free ends latching lugs (10) which, when the brackets are closed, interact with corresponding locking tabs (8) on the wall (4). To be able to bundle together the cable lines in the cable duct and thus provide protection against rattling noises, toothed cable ties (12), which extend around the inner sides of the channel body, are provided in the regions of the covering brackets (6), the cable ties being connected at one end to the body in the region of the wall (4) and, when the brackets (6) are closed, interacting at their free end with a cable tie locking tooth (15).

Abstract: An insulated duct, for example for electric cables, comprises first and second co-operable members forming a duct therebetween and toggle clips to secure the first and second members together such that the first and second members are urged towards each other. Each member comprises a base of thermal insulation material and at least one wall portion of thermal insulation material extending from the base of at least one of the members. An external skin is provided on the thermal insulation material, and an internal lining is provided on the thermal insulation material. The thermal insulation material, the external skin and the internal lining of the first member are dimensioned substantially to abut against the thermal insulation material, the external skin and the internal lining respectively of the second member.

Abstract: At least two portions of a cableway are joined in end to end relationship by engaging first and second fish plates along the inner surfaces at the joint of the cableway portions. The fish plates abut corresponding arms of each cableway portion and are retained by engagement with a step formed in a web which extends between the arms of each cableway portion and with a rib which depends from a flange associated with each portion of the cableway. A cover and stirrup clips to lock the cover to the cableway portions are also disclosed.

Abstract: A decorative baseboard molding for concealing the wiring of an appliance comprises an elongated retainer clip mounted to a wall and an elongated cover removably mounted to the retainer clip. The retainer clip and the cover define, when assembled, an elongated channel which receives therein the wiring. A top wall of the retainer clip defines horizontally spaced apart openings through which the wiring can be passed. Therefore, the wiring of the appliance is laid in the channel between a first and a second of the openings thereof located adjacent the appliance and the wall outlet. The molding also includes a wall outlet cover which is adapted to be mounted to the wall while encasing therein the mural plate and the plug of the appliance. A vertical hollow sleeve is mounted against the wall between the wall outlet cover and the elongated channel defined by the assembly of the retainer clip with the cover.

Abstract: A raceway includes a base and removable cover defining internal channels; discrete conductive shields are mounted in each channel in overlying relation to power and communications conductors therein; and a latching member is removably mounted between the cover and base continuously along coextending lengths of the latching member and the cover, the latching member being in interfering relation to cover movements required for removal of the cover from the base.

Abstract: A harness protector assembly can accommodate a desired length of a wire harness to protect it. The harness protector assembly is assembled by two or more protectors and a connector or connectors. Each of the protectors has a bottom plate and a pair of opposed side walls extending upwards from respective sides of the bottom plate, and a projection is formed on an outer surface of each side wall in the proximity of one end thereof. The connector has an upper plate and two pairs of opposed tabs extending downwards from the upper plate. A through-hole is formed in each tab for engagement with the projection formed on each side wall of each protector. The connector also has a thin-wall portion substantially at the center thereof so as to be susceptible to bending. The harness protector assembly can be bent about the thin-wall portion of the connector at a desired angle.

Abstract: A system for managing communication or power cables in proximity to a computer system. The system provides enclosures for routing or housing cables horizontally or vertically. Each enclosure is adapted for attachment to a computer cabinet, is easily installed and provides direct access for cable installation. The enclosures provide enhanced safety for personnel working in the area as well as presenting an outward appearance which is aesthetically pleasing and complementary with that of the computer system to which they are attached.

Abstract: A duct consisting of a housing-like channel. Inside the channel are parallel electrical conductors that loads can be connected to by means of adapters. The duct is coated or surface-treated while assembled, with its cover in place, that is. The design prevents paint from entering the housing or the site of contact between the housing and the cover during the surface treatment.

Abstract: A one-piece reclosable ducting system for electrical wiring or the like. The duct system includes an elongated channel and a mating channel cover. The channel and channel cover are formed as integral members in a dual-durometer plastics co-extrusion process. More specifically, the channel and channel cover are maintained in operative relationship along respective first edges by a flexible plastic hinge, again, co-extruded with the channel and cover. The flexible plastic hinge permits repeated access and closure of the channel without hinge fatigue. A cantilever tension arm or support beam is integrally formed in the ducting system and extends from the channel to bias and retain the channel cover in proper orientation thereby assuring latching of the cover while simultaneously maintaining overall ducting system structural integrity.

Abstract: In the case of a spinning or twisting machine, it is provided that the spindles are each driven by separate electric motors which, together with their bearings, are arranged in a spindle rail constructed as a longitudinal duct, the stators and the rotors of the electric motors being disposed in the longitudinal duct in an exposed manner.

Abstract: A panel comprising a substantially rigid layer, and a flexible layaer fixed to the rigid layer, the rigid layer having therethrough an endless cut dividing the rigid layer into a main portion and a cut-out portion, the flexible layer connecting the cut-out portion to the main portion and thereby holding the cut-out portion in place relative to the main portion.

Abstract: A secondary containment system for conduits, pipes and electric cables includes a plurality of separate duct sections connected in end-to-end relation to provide an electrically insulating fluid tight system. Each duct section includes a pair of generally Z-shaped structural members formed from a fiber reinforced plastic material with each structural member including top and bottom flanges for supporting a removable top cover panel and a rigidly joined bottom panel. The structural member top flanges are preferably shaped to deflect the top cover panel to present an outwardly convex top surface to prevent the collection of condensate and other fluids.

Abstract: A longitudinal raceway is provided for housing electrical components such as in a space-dividing wall structure or the like. The raceway includes a pair of elongated raceway sections which, when in longitudinal juxtaposition, define a generally closed hollow structure for concealing and protecting the electrical components. A hinge is connected between adjacent longitudinal sides of the raceway sections whereby the sections are movable about the hinge between open and closed positions. Complementary interengaging latches are provided on the opposite longitudinal sides of the raceway sections to hold the sections in the closed position.

Abstract: An enclosure for housing a cable, the enclosure having a removable cover and, when removed, an opening is defined into the interior of the enclosure. Flanges extend inwardly of the enclosure and are located at the opening. The flanges are supported in recesses in the walls defining the enclosure and the flanges, in turn, include recesses in which fasteners for releasably securing the cover to the enclosure are supported. The connecting flanges of the predominant walls which are used in connecting multiple wall sections to form the enclosure are turned inwardly.

Abstract: A wiring duct comprising a base and a cover for providing an opening therebetween for receipt of wires and the like. The base has a pair of sides with their free ends terminating in an arrowhead configuration. The cover is provided with a pair of arms on each side for snapping over the arrowhead to provide a positive latch therewith. The inside arm on each side of the cover is angled away from its respective outside arm to engage the leading edge of the arrowhead and provide for firm engagement with the arrowhead notwithstanding the typical range of tolerances associated with manufacturing products of this type.

Abstract: A system for mounting various pieces of equipment at selected locations along the length of a support member. A clamping unit, releasably mounted on the support member for adjustable positioning of the clamping unit, is fixed in place by the action of locking means which draw a protrusion on a clamping piece into intimate contact with opposed contact surfaces in a groove running along the length of the support member. The opposed contact surfaces of the groove form an acute angle transverse to the length of the support member. With the support member formed as an open channel, cables from the equipment being mounted can be positioned within the channel and clips snap-fitted into the opening in the channel close off the opening in the channel at selected locations and form smaller openings through which the cables pass.

Abstract: The invention relates to an energy-conducting hose, the hose body (1) being formed by a plurality of C-shaped hose elements (2) and having a slot (3) which runs in the longitudinal direction of the hose. The slot is releasably closed by a cover (6) which consists of individual cover elements (7) which are each provided in the region of the two slot edges (3) with a recess (7a) intended for retaining and guiding the cover elements (7) on the hose body (1). Such an energy-conducting hose is distinguished by economical production, a high degree of rigidity and stability and by advantages in use.

Abstract: An improved cable crossover device for protecting electrical cables from damage. The device is modular in design and comprises modular sections coupled together by a strengthened interlocking system which allows for a variable length device. The main modular section comprises a solid body of elastomeric material comprising two opposed ramps. Each ramp comprises a bottom, generally horizontal surface and an inclined surface extending upwardly from the bottom surface at an angle. Each ramp merges with a central portion of the crossover device comprising a horizontal surface between which is located a plurality of U-shaped recesses, each recess comprising spaced vertical walls and a horizontal base wall therebetween. The electrical cables are positioned within the recesses, each recess being dimensioned so that more than one cable can be supported therein.

Abstract: A molding, baseboard or the like for accommodating equipment such as electrical equipment and, in this case, electrical wiring for such electrical equipment, comprises a generally U-shape main part having a back and two side flanges and a separate cover adapted to extend between the free edges of the flanges. At least one longitudinal rib projects from the back of this main part for selective attachment of accessories thereto. At least one removable partition for optional use has a foot adapted to be attached to the rib or one of the ribs and there is also provided at least one set of at least two part-covers for use when one or more partitions are used. Each part-cover is adapted to extend between one side flange of the main part and the removable partition when one partition is used or between two removable partitions when two or more are used. The side flanges each comprise a snap-fastener member adapted to cooperate with a complementary snap-fastener member on the cover or part-cover.

Abstract: This profiled member is of the kind comprising two parts engageable with each other, for example a body part (10) and a cover part (11). There are provided on a baseplate (12) of the body part (10) snap-fastener members to enable the cover part (11) to be attached to the body part (10) in either of two separate positions, its normal service position and another position. The profiled member is particularly suitable for ducts or trunking of electrical wiring.

Abstract: A wire harness protector for use in an appliance. The wire harness protector consists of two members. A first member is secured to the door so as to pivot therewith. A second member is also secured to the door but remains stationary when the door is pivoted. Thus, when the door is pivoted, the second member is fixed relative to the door support structure and the first member pivots with the door. Both the first member and the second member include conduits which are aligned with the hinge axis of the door. Each of the first and second members forms an enclosure for enclosing and routing the wire harness. The conduits are formed by U-shaped channels and covers therefor. The covers are held in place by means of locking snaps. The entire first and second members may each be formed in a single integral molding process from a thermosplastic material such as a fire retardant polypropylene.

Abstract: A oiltight lay-in wireway comprised of wireway sections with hinged covers and a joint connector between the covers of two adjacent wireway sections. The covers overlay the joint connector. The joint connector has a free floating hinge connecting it to the wireway sections, allowing the cover to provide the main compression force on the joint connector gasket. A bolt with a splined shoulder provides a grounded connection between adjacent wireway sections while still allowing the joint connector to float freely. The compression force on the joint connector is exerted by the covers which are held closed by clips on the wireway sections. An oil resilient gasket provides a seal between adjacent wireway sections, between the joint connector and wireway sections, between the cover and joint connector, and between the cover and wireway sections. Raised ends on the cover contact the joint connectors while still maintaining a seal with the wireway sections.

Abstract: A wireway for enclosing electrical conductors includes a longitudinally extending channel-shaped housing having a cover member removably hinged to the top wall of the housing. The cover may be swung between open and closed positions with the hinge constructed to permit removal of the cover to provide access to the interior of the housing. When removed, the cover may be retained on the front edge of the bottom wall of the housing.

Abstract: A section of a cable tray is adapted for being mounted on a vertical surface, like a wall, a line of columns or a soffit. The cable tray section includes an upper wall mounting section having an external wall part for being mounted to the wall, a lower external wall section which is indented from the upper wall section, having an inner wall which defines one wall of the tray. A space inside the wall mounting section receives a splice shunt block for attachment to an adjacent tray section. A tray floor section extends out from the inner wall of the wall mounting section. Various stiffeners are disclosed for the tray section floor. An outer wall extends up from the tray floor completing the U-shape of the tray section. The tray section may be an integral metal or plastic extrusion. Alternatively, it may be bent into shape from one or more sheets of metal. A splice shunt block joins adjacent wall mounting sections.

Abstract: Ducting for electrical conductors with a stiffening arrangement formed by stiffening clamps, each of which comprises two or more parts between which there are transverse gaps separating aligned mutually inserted engaging members of both parts; each pair of adjacent parts are connected by lateral flaps attached to each part across a weakened area.The ducting is of the type having a base wall, two side walls having top ends provided with coupling formations, and intermediate longitudinal partition members each provided with an upper terminal formation. The engaging members of the stiffening clamps engage the upper terminal formations of the intermediate partition members; and coupling parts on the ends of the stiffening clamps connect to the coupling formations on the top ends of the side walls.

Abstract: An elongate container of one-piece resilient thermoplastic construction. The container includes a first wall having first and second lateral edges with a first latching component positioned adjacent the first lateral edge. A second wall has first and second lateral edges with a second latching component, for interlocking with the first latching component positioned adjacent its second lateral edge. The container also includes a hinge joining the first lateral edge of the first wall and second lateral edge of the second wall, with the hinge including a web of material having a thickness less than the thickness of the walls. The walls are relatively movable about the hinge between an as-formed position in which the first and second latching components are spaced and a use position in which the first and second walls extend relative to each other at a predetermined angle and the first and second latching components are in locking engagement.

Abstract: A locking mechanism has an engagement hole formed in each side portion of a lid, an engagement projection formed on each side wall of a body for engagement with a corresponding engagement hole, holding plates disposed on a lid portion so as to hold the corresponding engagement projections toward the engagement holes in the adjacent side portions, and projections projecting from the edge surfaces of the respective side walls for engagement with corresponding holes formed in the lid portion. If a force acting to open the lid is externally applied, forces acting to press the engagement projections toward the corresponding engagement holes act upon the edge portions of the respective projections which project from the edge surfaces of the respective side walls of the body. Accordingly, the body and the lid can be made to positively lock into each other.

Abstract: A duct assembly for enclosing conduits, cables, wires, lines and the like, comprising a base having a generally U-shaped cross section along its longitudinal axis, and a cover having a generally U-shaped cross section along its longitudinal axis. The base includes a generally planar central portion with first and second legs extending substantially perpendicular thereto. The cover includes an intermediate portion having third and fourth legs extending substantially perpendicular thereto. The cover is pivotally and releasably coupled to the base at one end and releasably coupled to the base at the other end. The pivotal and releasable coupling is made up and released via a snap fit resulting from forces exerted substantially perpendicular to the longitudinal axes of the cover and the base. The pivotal coupling allows angular movement of the cover relative to the base through about 45.degree. to about 60.degree..

Abstract: A duct assembly for enclosing conduits therein comprising a base and a pair of opposing side walls extending substantially perpendicular thereto, and a cover having an intermediate portion with a pair of generally parallel end portions extending substantially perpendicular thereto. The side walls of the base each have a tapered rib extending outwardly therefrom for engaging a U-shaped groove in the end portions of the cover to snap-fit the cover to the base. The ribs and grooves cooperate to provide first and second coupled positions. When the duct assembly is in its first position, a recess is formed for inserting a coupling member therein to join a substantially identical duct assembly thereto in a side by side relation. When the duct assembly is in its second position, the ribs and grooves are secured together to provide a smooth outer surface between the cover and the base. The bottom of each base can be snap fitted to the top of an identical base.

Abstract: A power pole is constructed so that a U-shaped body portion forming a power conductor channel extends beyond a similarly shaped portion forming a communications conductor channel by a predetermined distance. A cover plate and a top plate are provided to close this extending portion to form a wiring chamber. The cover plate is provided with edges which interlock with the edges of the power channel structure, the edges being crimped to form a permanent assembly. The top plate is removable to provide access to the interior of the chamber.

Abstract: Disclosed is a strands protector which comprises a U-shaped housing having a three-dimensionally bent bottom wall and side walls upstanding from the bottom wall, and a cover member connected by a hinge to the housing to close the opening of the housing and releasably secured to the housing by locking means. The cover member includes a hinge at a position corresponding to the location of the bent portion of the bottom wall of the housing.Also disclosed is a locking mechanism which comprises a locking arm provided on one of two hinge-connected members and an arm-engaging receptacle provided on the other member. The locking arm has an end projection adapted to be inserted in a central hole of the receptacle to secure the two members together, and the receptacle has a projection insertion cutout at a position where interference occurs between the projection of the locking arm and the receptacle when one of these two members is superposed on the other.

Abstract: A cable conduit for textile machines houses the supply cables, ground plates and motor bars which are connected to the ground plates, for the drive and control of an individual drive of the textile machine. The cable conduit has a housing, a detachable cover provided on the housing, and an intermediate cover connected to the housing. The intermediate cover divides the housing into a partial conduit which is not accessible to the outside adapted to receive the supply cables, and a portion which is covered by the detachable cover and adapted to receive the ground plates and motor bars. Grooves formed in the housing securely receive the ground plates in the portion of housing covered by the detachable cover.

Abstract: Disclosed is a bundled strands protector of a type of a U-shaped housing. The protector comprises a partition member upstanding from the bottom wall of the housing, a locking member provided on the free end of the partition member, and a retaining member hinged to one of the side walls of the housing and releasably engageable with the other side wall, the retaining member being provided with an engaging hole engageable with the locking member.

Abstract: A wiring enclosure is formed as an elongated extended plastic extrusion having a rectangular cross section. The enclosure includes a U-shaped base with a cover connected by a thin flexible hinge portion. The outer edge of the cover has a depending lip releasably mating with a corresponding shaped locking recess. A pair of locking walls are integrally formed on the interior of the opposite sidewalls of the base and project inwardly to define a locking channel with the bottom wall. A locking tab is pressed into locking channels and releasably interconnects enclosures. Mounting elements are secured to the bottom wall. Alternatively, other securements can be used such as adhesive pads, Velcro attachment units or the like.

Abstract: An assembly for mounting and connecting components, either electrical or pneumatic devices, which are arranged on boards such as printed circuit boards. A channel having a base and flexible side walls receives the edges of the boards in grooves along the side wall. Flexible sidewalls spread apart to receive the boards and lock them in the grooves. Several boards may be located in a channel in end to end relationship. Conduits are defined between the insides of the side walls, the base and the side of the boards facing the base. The components on the boards are located on the outside. Wiring and tubing lines extend through the openings in the boards into the conduits and extend along the conduits. End plates at the opposite ends of the conduits may be used to close the ends of the conduits except for openings through which the wiring and tubing extends.

Abstract: A kit, which is particularly intended for the fireproof laying of cables and ducts, has endwise connectable, self-supporting components made from thermally insulating material and substantially elongated metal reinforcements. The self-supporting components are duct sections (4 to 12), which in each case comprise a trough section (4' to 12') made from thermally insulating material and externally reinforced by longitudinally continuous sheet metal parts (16) and which has a substantially U-shaped cross-section, and a cover (4" to 12") also made from a thermally insulating material. The trough sections (4' to 12') being in each case equipped for the cover-less laying of the duct (1), are connectable with adjacent trough sections (4' to 12'); and the associated covers (4" to 12") are detachably fixable.

Abstract: A dual containment channel for fluids comprising a plurality of channel segments defining a channel run. Each of the channel segments comprises two spaced apart opposing channel segment side walls connected by a bottom wall for carrying a fluid. A cover is positioned between and supported by the side walls to enclose the open top of the channel run. A conduit support is positioned along the channel run along its length for supporting at least one fluid carrying conduit. An elastomeric sealing strip is positioned in two U-shaped grooves to form with grooves in the opposing channel segment side walls a continuous seal with the underside of the cover.

Abstract: Apparatus for the removable mounting of electrical components such that the connecting and/or disconnecting of the electrical component to or from electrical conductors does not expose an individual to contact with the electrical conductors is disclosed. The apparatus comprises a strip member having a plurality of grooves therein to accept an electrically conductive member therein, a face cover member to cover the plurality of grooves and a module structure to be removably mounted to the strip member. The face cover member has a plurality of apertures therein such that an aperture is positioned over each of the grooves. The module structure includes structure for removably mounting the electrical component therein and structure for removably connecting the electrical component across a plurality of the electrical conductors by physically penetrating the electrical conductors after passing through predetermined apertures in the face cover member.

Abstract: A fixture for defining the window of a jointed magnetic core, which core is constructed of amorphous metal alloy, and methods of constructing such a fixture. The fixture includes first and second substantially U-shaped metallic frame members which are easily and quickly assembled with interlocking joints which positively maintain the desired geometric configuration of the core window, as well as the peripheral dimension thereof. Notwithstanding the high mechanical strength of the fixture, the interlocking joints are easily unlocked, which feature is necessary as the fixture will be required to be assembled, disassembled, and reassembled a part of the normal processing of the magnetic core. New and improved methods of constructing the fixture enable the same tooling to be used for different sizes of fixtures, which are required to cover the range of transformer ratings the magnetic cores will be an integral part of.

Abstract: A wall-mounted cable sheath asembly defining a raceway for housing and protecting insulated electric cables and the like is disclosed, one part of which comprises a springable channel-shaped housing having an open base produced by a pair of opposed inturned essentially coplanar flanges depending from its divergent sides, the other part comprises a clip for fastening the housing to a supporting surface that has a centrally-located more or less planar web which carries along its top and bottom edges a pair of parallel generally V-shaped flanges, each such flange having divergent outboard wings spaced apart and inclined to form abutments for the sides of the housing when sprung outward and released to spring into place thereagainst, and the free edges of the wings of each such V-shaped flange terminating short of the plane of its own web a distance selected to accept the inturned flanges of the housing that spring into place therebeneath along with the hooked end of the installation tool.

Abstract: An electrical medical rail system having a hollow rail which may be subdivided in two or more longitudinal conduits for housing the leads of an electrical supply provides a flexible, high and/or low voltage electrical service for medical applications. The hollow rail has aligned outer grooves extending longitudinally along the top and bottom edges for detachably mounting medical equipment and lighting on the rail. A two component longitudinal housing in which one of the components is a snap-in panel and the other an integrated part of the rail provides a high voltage housing which provide electrical outlets, lighting switches and other high voltage equipment. The electrical components may be detachably mounted on the panel and the rail arrangement quickly altered by changing panels on the high voltage housing.

Abstract: A carrier for energy lines and other supply lines, with the carrier being disposed between a fixed connection and a movable consuming device. The carrier includes a plurality of interlocking tubular link members that can be bent relative to one another. Inwardly disposed parts are provided with outwardly directed stops, and outwardly disposed parts are provided with inwardly directed stops, with these stops effecting the interlocking of the link members. Each of the link members is U-shaped, and is provided on its open side with inwardly directed projections. A flexible cover strip is inserted between the projections, and spans the opening of the link members in a self-supporting manner.

Abstract: An enclosed conduit for use with cables, wires, lines and the like is preferably constructed using two separate extrusions which is formed of a self supporting resilient material. The first of these is a U-shaped base having side edges, the second is a cover adapted to overly the base between the side edges of the base, this cover having side edges. Coacting structures on the side edges of both the base and the cover permit the base and the cover to be snapped together or apart. An auxiliary retainer on the cover adjacent to the side edges of the cover are used to inhibit the inward deflection of the sides of the base when the cover is in place.

Abstract: The present invention concerns a continuous-accessibility electrical conduit comprising: at least one U-shaped case (4) having at least one longitudinal interior partition (10) forming boxes (11); a cover (5) set up to carry conductors and provided with slots (20) that permit access to the conductors, and/or a blind cover (28) forming an empty channel; and snap-lock means (12, 13, 24; 14; 39) provided on the free edges of the lateral walls and the partition of the base, as well as on opposite areas of the covers.

Abstract: A duct for wiring comprises a plastic body member of U-shaped cross section and a plastic cover adapted to be received at an open end of the body member. The sidewalls of the body member are equipped with metal or plastic casing elements. The casing elements are clipped, preferably with detenting action, on the sidewalls of the body member by means of grooves and tongues on the respective parts. Another casing element may be provided on the cover and is adapted to be clipped on the body member proximate the open end. The base wall of the body member normally has no casing element and may accommodate a fastener for securing the duct to a support. A so-called connecting casing element may be provided in place of a plain casing element in order to assemble or group together two or more such ducts. In this event the connecting casing element connects the body members of two or more ducts.

Abstract: A ducting system for electrical wiring or the like including elongated channels and channel covers and prefabricated channel interface assemblies adapted for rapid non-defacing installation without resort to special tools or precision assembly techniques. The interface assemblies are comprised of alignment members which are adapted to engage two or more channels thereby to automatically position the channels in a predetermined relationship. More specifically, projections are provided on the alignment members which are received within recesses on the ends of the duct channels thereby functioning to properly and automatically orient the several duct channels upon system assembly. The interface assemblies further include removable cover means which bridge and conceal the respective ends of the channels and channel covers thereby eliminating precision cutting of the duct sections.

Abstract: Trunking for services such as electric cables, telephone cable and the like. The trunking comprises an elongate channel member and an elongate cover member dimensioned and arranged releasably to engage and close the channel member. The channel member has a base wall and first and second opposed side walls having free, elongate edge regions. The cover member has a top surface terminating in longitudinal side wall portions shaped to fit over the free edge regions of the channel member. A connector for connecting two, spaced apart cover members on at least one length of channel member comprises opposed side walls joined by a top wall so dimensioned that the side walls are a sliding fit over the side walls of the channel member and cover member. The trunking may also include a cable retainer for retaining cable and the like in the channel member.

Abstract: Undesirable attenuations are avoided in a light-conducting cable by providing a certain play between the coated light-conducting fiber and its outer protective casing which may include a reinforcing sheathing surrounding the coating and surrounded by an outer casing. Such play is achieved by temporarily providing a removable material radially inwardly, or in, or radially outwardly of the sheathing and then removing such temporary layer by chemically dissolving the layer, or melting, or evaporating the layer through the outer casing which is made permeable for this purpose.

Abstract: The invention relates to cable ducts and solves the problem of making it possible alternatively to close a given duct either with a lid (9) or by snapping engagement between portions (6, 7) directed inwardly from the top portions of the side walls (2, 3) of the duct. The snapping means (8, 11, 12) are shaped and located in such a way that they may alternatively cooperate either mutually (8, 11, 12) or with a lid (9, 10).

Abstract: A generally rectangular wiring raceway having the form of a moulding duct and capable of housing cable TV, telephone, computer, low voltage and other cables. The duct is designed such that it may be opened and closed for initial cable installation, for line inspections, servicing and the installation of additional cable. The raceway is comprised of an elongated back panel having a top leg and a bottom leg. The top leg has a snap engagement member and the bottom leg forms one part of a longitudinally extending hinge section. Additionally, an elongated front panel is provided. The front panel has a snap engagement member at its top for mating with the corresponding snap engagement member of the back panel. The front panel also has a longitudinally extending hinge member which mates with the corresponding longitudinally extending hinge section of the back panel.