EP0145571B1 - Electrical ducting with continuous accessibility - Google Patents

Electrical ducting with continuous accessibility Download PDF

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Publication number
EP0145571B1
EP0145571B1 EP84402375A EP84402375A EP0145571B1 EP 0145571 B1 EP0145571 B1 EP 0145571B1 EP 84402375 A EP84402375 A EP 84402375A EP 84402375 A EP84402375 A EP 84402375A EP 0145571 B1 EP0145571 B1 EP 0145571B1
Authority
EP
European Patent Office
Prior art keywords
cover
case
conduit
longitudinal
electrical conduit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP84402375A
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German (de)
French (fr)
Other versions
EP0145571A3 (en
EP0145571A2 (en
Inventor
Philippe Billette De Villemeur
Gérard Pournain
Louis Cahu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Billette de Villemeur Philippe
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT84402375T priority Critical patent/ATE31460T1/en
Publication of EP0145571A2 publication Critical patent/EP0145571A2/en
Publication of EP0145571A3 publication Critical patent/EP0145571A3/en
Application granted granted Critical
Publication of EP0145571B1 publication Critical patent/EP0145571B1/en
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length

Definitions

  • the present invention relates to improvements made to electrical pipes with continuous accessibility, intended, in the mounting position, to present the appearance of a plinth or a strip with a front face of insulating material provided with at least two slots d 'parallel and narrow longitudinal accesses and at least two electrically conductive rails extending parallel to each other behind said slots.
  • the object of the invention is essentially to remedy the aforementioned drawbacks and to design an electrical pipe of the aforementioned kind which better meets the various requirements of practice than known pipes, and which, in particular, can withstand pull-out forces without problem. transverse exerted on the cover, which lends itself to multiple combinations to allow the realization of all electrical supply schemes, which has a structure giving it an acceptable aesthetics, which can be produced by traditional techniques of plastic extrusion , and which is generally simple in structure, low cost and easy to install.
  • an electrical pipe according to the invention is characterized in that it comprises the combination of the provisions mentioned in the characterizing part of claim 1.
  • each conductive rail is enclosed in a box and is electrically isolated from the neighboring rail or rails and each box is mechanically closed. over its entire length on its two longitudinal edges.
  • the extraction forces of a removable connection element transversely to the pipe are distributed between the latching means so that the individual transverse forces exerted at each of said means are greatly reduced.
  • the cover can no longer deform (in particular bulge) significantly and there is no longer any risk of the cover becoming dislodged, as was, on the contrary, a common rule in prior devices.
  • the constants k and k o will be equal to 1/3 and 5/3 respectively.
  • the cover can only be fitted properly snapped onto the housing for one of the two positions in which it can be presented in front of the housing.
  • the latching means consist of projecting ribs with a beak-shaped section and delimiting shoulders extending respectively along the free edges of the side walls and internal partitions of the housing and along the wings facing the cover and on the housing and respectively on the lid, all the ribs are facing the same c * OTE except for a rib which is facing away from the other.
  • the housing and the cover can then be made of plastic and be extruded through dies of suitable shapes.
  • the rib turned away from the others is carried by one of the side walls of the housing and respectively by a wing situated along an edge of the cover.
  • This arrangement constitutes an additional coding means which, combined with the variable spacing of the latching means, must prevent non-conforming interlocking of members.
  • pipes according to the invention can be arranged to constitute a complete system able to be adapted to the various requirements of the practice.
  • width of the cover may correspond substantially to the external width of the housing and for several housings provided with their respective covers to be juxtaposed.
  • the width of the cover is less, by a value corresponding substantially to half the thickness of a sidewall of the housing to the outer width of the housing, that shoulders are provided on both sides of the interior walls and at least two covers may be snapped to c * ote c * ote on the same case.
  • Boxes of different dimensions, can be assembled edge to edge to obtain the number of boxes required, while these boxes can be coated with various covers, with or without conductive rails, to form electrical transmission lines or trunking intended to subsequently receive added wiring according to demand.
  • each conductive rail is offset with respect to the corresponding access slot
  • each conductive rail is positioned and retained in a gutter formed in a block with the cover and open on the corresponding access slot
  • Such an arrangement is added to those previously exposed to prevent incorrect coupling of component members.
  • This keying function can be further improved by using the fact that all the side walls and internal walls of the hooking ribs bearing housing facing the same c * Oté are doubled, the c * removed from the rib, of a stiffening wing extending opposite and at a distance from the hooking rib, said stiffening wing also constituting, in the configuration with offset rail, a keying stop preventing the penetration of the corresponding gutter into the corresponding box when the cover is not presented opposite the housing in said predetermined position.
  • each housing element has a longitudinal tongue located externally in the extension of the bottom of the housing, in order to identify a direction of installation of the housing, a tongue being manually cutable in particular to allow juxtaposition c * ote to c "ote at least two housings.
  • the height of this tab is between% and H, H being the depth of the pipe.
  • the cover To avoid incorrect placement of a removable connection element (in particular in the case where the number of conductive rails is two) and to avoid contacting non-couplable members, provision is made for the cover to have longitudinal deformation either male or female and closer to one of the longitudinal edges of the cover than the other, this deformation being intended to cooperate with a deformation of complementary shape (respectively female or male) of a removable connection element arranged to cooperate with the pipeline.
  • a polarizing cover arranged as a blind cover sized to cover at least one box housing and having at least two parallel longitudinal bosses projecting respectively on the two faces of said cover.
  • this keying cover has a width greater than that of a normal cover (blind or provided with rails) and it is shaped so that the part supporting an outwardly projecting boss partially covers, in the mounting position. , the cover of the neighboring box.
  • the polarization cover is provided with latching means allowing its positioning on the housing in the two possible mounting directions.
  • this figure shows a pipe 1 consisting of two elementary pipes 2 and 3.
  • Line 2 consists of a housing 4 and a cover 5 fitted thereon and closing it.
  • the box 4 has a bottom 6, provided with holes 7 for fixing it (using nails, screws, etc.) on a flat support (for example a wall) as a plinth.
  • Longitudinal stiffening ribs 8 may be provided on the internal face of the bottom 6.
  • Two side walls 9 extend substantially perpendicular to the bottom, the housing 4 having, in cross section, the approximate shape of a U.
  • the housing 4 further comprises an interior partition 10, parallel to the side walls 9, which divides the interior volume of the housing into two boxes 11.
  • the longitudinal free edges of the side walls 9 are respectively provided with longitudinal ribs 12 projecting towards the inside of the box and having, in cross section, the general shape of a spout so as to delimit a longitudinal shoulder 13 facing the bottom of the housing.
  • the longitudinal free edge of the internal partition 10 is equipped in the same way, except that the rib 14 projects on either side of the partition, to determine two shoulders 15.
  • the side wall 9a located in the lower position, in the position for mounting the pipe against a wall, which is shown in FIG. 1, is provided with a longitudinal wing 16 of reinforcing support, having the general shape of an L in cross section, and extending opposite the rib 12 and at a distance from the latter less than the thickness of the additional fastening member (of which question below) in order to ensure a reinforcement of the maintenance of said member.
  • the internal partition 10 is also provided with a longitudinal wing 17 of reinforcing support protruding into the upper box 11 (still in FIG. 1) and extending opposite the rib 14 and at a distance. of it.
  • the wing 17 also has the general shape of an L in cross section, the free edge of the L being provided with a longitudinal flap 18 parallel to the bottom of the housing.
  • the cover 5 has a main wall 19, flat as a whole, of the same dimensions and of the same configuration as the outer contour of the housing 4, so that the edges of the cover are located in alignment with the side walls of the housing as shown in Figure 1.
  • the main wall 19 is provided with two longitudinal slots 20, opening approximately in the middle of the boxes 11 when the cover 5 is mounted on the housing 4 as shown in FIG. 1, and intended for the passage of the male members of electrical connection of a removable connection element, not shown.
  • the gutters 21 are relatively deep with regard to the dimensions of the conductive rails which they contain, and they are also inclined, relative to the main wall 19 of the cover 5, upwards (in FIG. 1), in such a way that their mean plane (P) make an angle a of at least 20 °, typically about 45 °, with the plane orthogonal to the main wall 19.
  • P mean plane
  • the purpose of this arrangement is to provide security, in a way known per se, and to prevent an electrically conductive object introduced through a slot 20 from coming into contact with the corresponding conductive rail.
  • the general configuration of the gutters 21 is such that in the mounting position of the cover 5 on the housing 4 shown in FIG. 1, they are housed respectively in the two boxes 11 in the housing without contact with the walls delimiting these.
  • the slots 20 are both located in the immediate vicinity of the respective upper connections of the gutters 21 with the main wall 19 of the cover 5.
  • the main wall 19 of the cover 5 may have a longitudinal boss 22 projecting from the outer face of the wall 19, this boss being intended to cooperate with a correspondingly shaped recess provided in the above-mentioned removable connection element (not shown) for coding purposes when plugging said element onto the gutter.
  • the cover 5 has hooking members, projecting from its inner face, intended to cooperate with the hooking ribs 12 and 14 of the housing 4.
  • These hooking members are in the form of projecting wings on board. free curved to constitute, in cross section, a hooking spout, with delimitation of a shoulder capable of cooperating with the abovementioned shoulders 13 and 15 of the housing.
  • the two end wings, respectively lower 23 and upper 24, are located slightly set back from the two corresponding longitudinal edges of the wall 19, and are curved towards the free edges of this wall; in other words, the two wings are curved opposite one another.
  • the central wing 25 it is situated opposite the free space extending between the wing 17 and the rib 14 of the housing and it is bent downwards (in FIG. 1) like the lower wing 23.
  • the bottom 6 is extended beyond the lower side wall 9a, by a locating tongue 26 having a breaking line 27 in the immediate vicinity of the side wall 9a so that it can be detached manually in the event of need, for example when two pipes must be juxtaposed as will be explained later.
  • This seccible tongue can obviously be used for other purposes, for example as a spacing guide whose lower longitudinal edge is in abutment against the ground so that the pipe extends parallel to the ground.
  • the height of the tongue 26 can be equal to H being the depth of the pipe, so that it is not or hardly visible.
  • the boxes 11 can then be used to receive flying cables (for example telephone wire, connection wire for radio and / or television antenna, speaker connection wires to a source, etc.).
  • flying cables for example telephone wire, connection wire for radio and / or television antenna, speaker connection wires to a source, etc.
  • FIG. 1 Such an arrangement is shown in the upper part of FIG. 1, where the pipe 3 comprises a housing 4 (the same numerical references being kept to designate the members identical to those of the pipe 2) arranged as previously described and a full cover 28 double (that is to say covering two boxes 11) and provided with the same latching elements as the cover 5.
  • pipes 2 and / or 3 already described and / or still others like that of FIG. 2 which will be described below, can be juxtaposed one above the other to constitute larger groups.
  • Fig. 2 shows another type of pipe 29 designed on the same principle as those of FIG. 1 but arranged to present four boxes on its own.
  • the housing 30 has three interior partitions 10 (the same reference numerals have been kept to designate the elements identical to those of the pipes 2 and / or 3) provided, along their respective free edges, with hooking means (snap-fastening ) intended to cooperate with corresponding complementary means provided on the closure covers, for example on the cover 31.
  • the two extreme partitions 10 are provided with hooking means identical to the partition 10 of the pipes 2 and 3 of FIG. 1, while the central partition 10 is provided with attachment means identical to those fitted to the side walls.
  • the leg of the wing 32 in L is slightly longer than that of the wings 16 of the housings 4 and the shoulder 33 located opposite is also longer so that this (simple) partition may possibly cooperate with the two abutting ends of two covers corresponding to two boxes as is the case for the two partitions 9 joined to the pipes 2 and 3 of FIG. 1.
  • the housing 30 is closed using two covers 31 and 34 respectively.
  • the cover 34 is a unitary blind cover, that is to say covering only a single box, the upper longitudinal edge of which extends from the external face of the upper side wall 9 of the housing and the longitudinal edge of which lower stops substantially in the median plane of the upper internal partition 10; the attachment means are those already described.
  • the cover 31 is, as a whole, arranged according to the principles already indicated for the cover 2 of FIG. 1, with the difference that the cover 31 is triple, that is to say that it covers three boxes 11, to constitute a power supply with three conductors (three-phase, or single-phase with earth for example).
  • the hooking means are constituted in the same way, that is to say that the wings are curved in the same side * (down in Fig. 2), except the upper wing curved opposite (upwards in fig. 2).
  • the wing 35 (first wing curved downwards) is positioned so as to be able to cooperate with the shoulder 33, that is to say that the cover 31 can cooperate equally with a housing with at least three boxes. like the box 30, or else with two boxes juxtaposed to form at least three boxes like the two boxes 4 of FIG. 1, the cover 31 then overlapping these two housings.
  • the lower longitudinal edge of the cover 31 is located in the extension of the external face of the lower side wall 9a of the housing 30, while its upper edge coincides approximately with the median plane of the upper internal partition 10, being abutted with the lower edge of the cover 34.
  • the cover 31 has no keying boss corresponding to the boss 22 of the cover 5 of fig. 1.
  • the polarization is ensured by a different positioning of the slots 20, leading to a variable spacing pitch of these slots.
  • the two extreme slots (upper and lower) are located, like the slots 20 of the pipe 2 of FIG. 1, in the immediate vicinity of the upper junction of the gutter 21 with the wall 36 of the cover, while the central slot is in the immediate vicinity of the lower junction of the gutter 21 with the wall 36.
  • housings and especially covers in the following manner.
  • a cover 37 provided with n gutters 21 for n conductive rails (not shown) and provided with n slots 20 for access to these n conductive rails, according to the arrangement already explained with reference to fig. 1 for cover 5.
  • the wall 38 of the cover 37 is, in addition, provided with n + 1 curved attachment wings intended to cooperate with n + 1 complementary attachment means provided on the housing (not shown). These wings extend between each gutter 21 and further two wings are located respectively beyond the end gutters.
  • n of these wings 39 are curved in the same direction (downwards in FIG. 3), while one, 39a, of the extreme wings is curved in the opposite direction (upwards in FIG. 3).
  • All the gutters 21 are equidistant from each other by a pitch p.
  • the side walls which delimit it have a rib only for the upper wall (in the mounting position shown in FIGS. 1 and 2) and a rib and an L-shaped strengthening reinforcement wing for the bottom wall.
  • this arrangement is advantageously combined with the aforementioned inclination of at least 20 ° of gutters 21, and in addition with the fact that the bottom zones of gutters are, by the very fact of this inclination, located approximately at the level of the attachment wings which precede them or a short distance below them (in the pipe mounting position), in order to provide a polarizing effect during the fitting of the covers on the housings.
  • the cover is presented in the suitable position in front of the housing, the distance between the hooking means located on the side walls of the boxes is just enough to allow the passage of the corresponding gutters and their penetration -in the respective boxes-.
  • the cover is presented in an inverted position (top to bottom and vice-versa) with the attachment wings of the cover facing the attachment means of the housing, the bottom zones of the gutters (inclined downwards) abut against the lower hooking means (relatively high due to the presence of the L-shaped reinforcement wings) of the respective boxes and the cover cannot be put in place on the housing.
  • the internal partitions 10 of the housings are provided with hooking ribs on their two faces, symmetrically. It is then possible to place any type of cover on the housing in any desirable combination.
  • blind covers for which no orientation requirement is imposed, are provided with symmetrical hooking means on their two longitudinal edges, so that they can be put in place in any what orientation on the housing.
  • the invention seems to have to be presented in a particularly interesting form if the number of constituent parts is relatively small while allowing all possible combinations as to the number of boxes that it is possible to obtain.
  • boxes with two, three and four boxes, corresponding rail covers and blind covers corresponding to one, two or three boxes which should allow for all kinds of electrical sheaths for single-phase power supplies with or without earth, three-phase with or without neutral, and with or without earth, several parallel supplies, cable ducts, etc.
  • the housings and covers are made of an electrically insulating material.
  • the subjects Rigid plastics usually used in the electrical field seem to be all the better able to agree that they can be put into the appropriate shape by extrusion through a die, a particularly advantageous method of manufacture taking into account the linear structure of the housings and covers.
  • FIGS. 4 to 6 represent (very schematically) an electrical supply installation constituted by association of three boxes with two boxes each, of the type represented by 4 in FIG. 1.
  • the covers are shown (to make the drawings more easily readable) presented in front of the corresponding boxes, but not snapped.
  • a cover 40 fitted with three conductive rails covers the lower case and the lower box of the middle case.
  • a cover 41 fitted with two conducting rails (not shown) covers the upper housing.
  • blind cover 42 of a particular type, comprising two longitudinal and parallel bosses, one of which protrudes externally and the other of which protrudes internally. Furthermore, this cover is arranged in the same way as a flat blind cover such as the cover 3 of FIG. 1, in particular as regards its latching means.
  • the width of the cover 42 is greater than that of an ordinary flat cover and that it overflows above the neighboring cover 40.
  • the external boss 43 is located on a longitudinal part 45 of the cover which is located at a different level (offset towards the outside) relative to the longitudinal part 46 of the cover which carries the internal boss 46.
  • the power supply thus constituted is thus a five-conductor power supply (for example three-phase power supply with neutral and earth) which is very easily implemented from standard housings and covers, for example provided for a two-phase power supply with two conductors ( two phases) or three conductors (two phase and earth).
  • the presence of the special cover 42 authorizes connection to this installation only with a connector member 47 (shown diagrammatically in spectral line) equipped with an exactly complementary profile, that is to say with a longitudinal boss 48 and a longitudinal recess 49 able to cooperate, in shape and in position, with the interior 44 and exterior 43 bosses, respectively, of the cover 42.
  • FIG. 5 in which the members identical to those in FIG. 4 are designated with the same reference numbers, the arrangement is similar to that of FIG. 4, except that the polarizing cover 42 is here mounted upside down, that is to say the outer boss 43 covering the neighboring cover 41 of the upper housing.
  • the polarizing cover 42 is provided with symmetrical snap-fastening means allowing it to be positioned in either direction.
  • the connector member 47 ′ must, however, be arranged in accordance with this new profile as regards the position of its boss 48 ′ and its hollow 49 ′.
  • the blind cover 50 is a flat, ordinary cover, such as the cover 3 of FIG. 1.
  • the connector member 47 “must not have any projection, unlike the connector members 47 and 47 '.
  • the polarizing cover can have any other appropriate configuration different from that of the cover 42 shown in FIGS. 4 and 5.
  • it can extend over several boxes, having only one boss (outside or inside) or on the contrary have three or more, etc.

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  • Details Of Indoor Wiring (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Vehicle Body Suspensions (AREA)
  • Paper (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • External Artificial Organs (AREA)
  • Cash Registers Or Receiving Machines (AREA)
  • Closures For Containers (AREA)
  • Cable Accessories (AREA)
  • Insulated Conductors (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Pipeline Systems (AREA)
  • Installation Of Bus-Bars (AREA)

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.

Description

La présente invention concerne des perfectionnements apportés aux canalisations électriques à accessibilité continue, destinées, en position de montage, à présenter l'apparence d'une plinthe ou d'une baguette avec une face antérieure en matériau isolant munie d'au moins deux fentes d'accès longitudinales parallèles et étroites et au moins deux rails électriquement conducteurs s'étendant parallèlement l'un à l'autre en arrière desdites fentes.The present invention relates to improvements made to electrical pipes with continuous accessibility, intended, in the mounting position, to present the appearance of a plinth or a strip with a front face of insulating material provided with at least two slots d 'parallel and narrow longitudinal accesses and at least two electrically conductive rails extending parallel to each other behind said slots.

On connaît déjà de nombreux types de canalisations du genre précité, par exemple celles décrites dans les brevets FR-A-2 082 553, 2 082 554, 2 122 729 et US-A-2 478 006.Numerous types of pipes of the aforementioned type are already known, for example those described in patents FR-A-2 082 553, 2 082 554, 2 122 729 and US-A-2 478 006.

Si certains de ces canalisations connues ont pu être considérées comme acceptables sur le plan de la fiabilité électrique et de la sécurité électrique, aucune cependant n'était agencée sur le plan mécanique en vue d'une utilisation courante; en particulier, aucune n'était en mesure de présenter une résistance mécanique satisfaisante et de pouvoir, par exemple, supporter sans faiblesse les efforts transversaux engendrés par l'enlèvement d'un connecteur amovible. En outre, ces canalisations connues se prêtaient mal aux exigences variées concernant le nombre des fils conducteurs et en pratique il était nécessaire de prévoir autant de types différents de canalisation qu'il pouvait exister de systèmes d'alimentation électrique (système à deux conducteurs actifs, système deux conducteurs et terre, système à trois conducteurs, systèmes à trois conducteurs, neutre et terre, etc.).While some of these known pipes could be considered acceptable in terms of electrical reliability and electrical safety, none, however, were mechanically arranged for everyday use; in particular, none was able to have satisfactory mechanical strength and to be able, for example, to withstand without weakness the transverse forces generated by the removal of a removable connector. In addition, these known pipes did not lend themselves well to the various requirements concerning the number of conductive wires and in practice it was necessary to provide as many different types of pipes as there could be electrical power systems (system with two active conductors, two-conductor and earth system, three-conductor system, three-conductor systems, neutral and earth, etc.).

Il a résulté de ces divers inconvénients un frein au développement de ce genre de canalisations électriques.These various drawbacks have resulted in a brake on the development of this kind of electrical pipes.

Par ailleurs, de par le document GB-A-186 271, on connaît également un agencement de goulotte électrique comportant un boîtier en U muni de cloisons intérieures et un couvercle fixé par encliquetage sur les parois latérales dudit boîtier. Toutefois, un tel agencement de goulotte ne permet pas que le couvercle soit apte à supporter des efforts notables à l'arrachement en même temps qu'il n'autorise pas des combinaisons de boîtiers et de couvercles aptes à satisfaire toutes les exigences de l'utilisation courante.Furthermore, from document GB-A-186 271, there is also known an electrical trunking arrangement comprising a U-shaped housing provided with internal partitions and a cover fixed by snap-fastening on the side walls of said housing. However, such a chute arrangement does not allow the cover to be able to withstand significant forces when tearing off at the same time as it does not allow combinations of housings and covers capable of satisfying all the requirements of the current use.

L'invention a essentiellement pour but de remédier aux inconvénients susmentionnés et de concevoir une canalisation électrique du genre précité qui satisfasse mieux que les canalisations connues aux diverses exigences de la pratique, et qui, en particulier, puisse supporter sans problème des efforts d'arrachement transversaux exercés sur le couvercle, qui se prête à de multiples combinaisons pour permettre la réalisation de tous les schémas d'alimentation électrique, qui possède une structure lui conférant un esthétisme acceptable, qui puisse être fabriquée par des techniques traditionnelles d'extrusion de matériau plastique, et qui d'une façon générale soit de structure simple, de faible coût et d'installation facile.The object of the invention is essentially to remedy the aforementioned drawbacks and to design an electrical pipe of the aforementioned kind which better meets the various requirements of practice than known pipes, and which, in particular, can withstand pull-out forces without problem. transverse exerted on the cover, which lends itself to multiple combinations to allow the realization of all electrical supply schemes, which has a structure giving it an acceptable aesthetics, which can be produced by traditional techniques of plastic extrusion , and which is generally simple in structure, low cost and easy to install.

A ces fins, une canalisation électrique conforme à l'invention se caractérise en ce qu'elle comprend la combinaison des dispositions mentionnées dans la partie caractérisante de la revendication 1.For these purposes, an electrical pipe according to the invention is characterized in that it comprises the combination of the provisions mentioned in the characterizing part of claim 1.

Grâce à ces dispositions, dans la position de montage du couvercle sur le boîtier ou autrement dit dans la position de fonctionnement de la canalisation, chaque rail conducteur est enfermé dans un caisson et est électriquement isolé du ou des rails voisins et chaque caisson est fermé mécaniquement sur toute sa longueur sur ses deux bords longitudinaux.Thanks to these provisions, in the position for mounting the cover on the housing or in other words in the operating position of the pipe, each conductive rail is enclosed in a box and is electrically isolated from the neighboring rail or rails and each box is mechanically closed. over its entire length on its two longitudinal edges.

Les efforts d'extraction d'un élément de connexion amovible transversalement à la canalisation sont répartis entre les moyens d'encliquetage de sorte que les efforts transversaux individuels s'exerçant au niveau de chacun desdits moyens se trouvent fortement réduits. Le couvercle ne peut plus se déformer (notamment se bomber) de façon notable et il n'y a plus de risque de déboîtement du couvercle, comme cela était au contraire de règle courante dans les dispositifs antérieurs.The extraction forces of a removable connection element transversely to the pipe are distributed between the latching means so that the individual transverse forces exerted at each of said means are greatly reduced. The cover can no longer deform (in particular bulge) significantly and there is no longer any risk of the cover becoming dislodged, as was, on the contrary, a common rule in prior devices.

De façon avantageuse, on prendra les constantes k et ko égales respectivement à 1/3 et 5/3. De la sorte, le couvercle ne peut être mis en place convenablement encliqueté sur le boîtier que pour une seule des deux positions dans lesquelles il peut être présenté devant le boîtier.Advantageously, the constants k and k o will be equal to 1/3 and 5/3 respectively. In this way, the cover can only be fitted properly snapped onto the housing for one of the two positions in which it can be presented in front of the housing.

De préférence, les moyens d'encliquetage sont constitués par des nervures saillantes à section en forme de bec et délimitant des épaulements s'étendant respectivement le long des bords libres des parois latérales et des cloisons intérieures du boîtier et le long des ailes en regard du couvercle, et sur le boîtier et respectivement sur le couvercle, toutes les nervures sont tournées du même c*oté à l'exception d'une nervure qui est tournée à l'opposé des autres. Le boîtier et le couvercle peuvent alors être constitués en matière plastique et être extrudés à travers des filières de formes appropriées.Preferably, the latching means consist of projecting ribs with a beak-shaped section and delimiting shoulders extending respectively along the free edges of the side walls and internal partitions of the housing and along the wings facing the cover and on the housing and respectively on the lid, all the ribs are facing the same c * OTE except for a rib which is facing away from the other. The housing and the cover can then be made of plastic and be extruded through dies of suitable shapes.

Il est intéressant que la nervure tournée à l'opposé des autres soit portée par l'une des parois latérales du boîtier et respectivement par une aile située le long d'un bord du couvercle. Cette disposition constitue un moyen de détrompage supplémentaire qui, combiné avec l'écartement variable des moyens d'encliquetage doit empêcher des emboîtements non conformes d'organes.It is interesting that the rib turned away from the others is carried by one of the side walls of the housing and respectively by a wing situated along an edge of the cover. This arrangement constitutes an additional coding means which, combined with the variable spacing of the latching means, must prevent non-conforming interlocking of members.

En outre, les canalisations conformes à l'invention peuvent être agencées pour constituer un système complet apte à être adapté aux diverses exigences de la pratique.In addition, the pipes according to the invention can be arranged to constitute a complete system able to be adapted to the various requirements of the practice.

Ainsi, on peut prévoir que la largeur du couvercle corresponde sensiblement à la largeur extérieure du boîtier et que plusieurs boîtiers munis de leurs couvercles respectifs puissent être juxtaposés.Thus, provision may be made for the width of the cover to correspond substantially to the external width of the housing and for several housings provided with their respective covers to be juxtaposed.

On peut également prévoir que la largeur du couvercle soit inférieure, d'une valeur correspondant sensiblement à la demi-épaisseur d'une paroi latérale du boîtier, à la largeur extérieure du boîtier, que des épaulements soient prévus de part et d'autre des cloisons intérieures et qu'au moins deux couvercles puissent être encliquetés c*ote à c*ote sur le même boîtier.It is also possible to provide for the width of the cover to be less, by a value corresponding substantially to half the thickness of a sidewall of the housing to the outer width of the housing, that shoulders are provided on both sides of the interior walls and at least two covers may be snapped to c * ote c * ote on the same case.

On peut, en outre, prévoir un couvercle aveugle dépourvu de rail conducteur pour recouvrir au moins un caisson et former au moins une goulotte.One can, in addition, provide a blind cover devoid of conductive rail to cover at least one box and form at least one chute.

Des boîtiers, de différentes dimensions, peuvent être assemblés bord à bord pour l'obtention au nombre de caissons requis, tandis que ces boîtiers peuvent être revêtus de couvercles divers, avec ou sans rails conducteurs, pour former des lignes de transmissions électriques ou des goulottes destinées à recevoir ultérieurement des câblage rapportés selon la demande.Boxes, of different dimensions, can be assembled edge to edge to obtain the number of boxes required, while these boxes can be coated with various covers, with or without conductive rails, to form electrical transmission lines or trunking intended to subsequently receive added wiring according to demand.

Avantageusement, dans le cas où chaque rail conducteur est décalé par rapport à la fente d'accès correspondante, on prévoit qu'un plan joignant l'axe moyen d'une fente à l'axe moyen du rail correspondant forme, avec un plan normal au couvercle, un angle au moins égal à 20°.Advantageously, in the case where each conductive rail is offset with respect to the corresponding access slot, provision is made for a plane joining the mean axis of a slot to the mean axis of the corresponding rail forms, with a normal plane. at the lid, an angle at least equal to 20 °.

De plus, lorsque chaque rail conducteur est positionné et retenu dans une gouttière formée d'un bloc avec le couvercle et ouverte sur la fente d'accès correspondante, on prévoit que l'axe moyen de la gouttière est incliné, par rapport à un plan normal au couvercle, d'au moins 20° et que le contour externe de cette gouttière et le contour interne du caisson correspondant sont agencés pour que la gouttière ne puisse pénétrer dans le caisson correspondant du boîtier -et donc autoriser la mise en place du couvercle sur le boîtier - que dans l'une déterminée des deux positions possibles de présentation du couvercle en regard du boîtier. Une telle disposition vient se cumuler avec celles précédemment exposées pour empêcher un accouplement incorrect d'organes composants.In addition, when each conductive rail is positioned and retained in a gutter formed in a block with the cover and open on the corresponding access slot, provision is made for the mean axis of the gutter to be inclined, relative to a plane. normal to the cover, at least 20 ° and that the external contour of this gutter and the internal contour of the corresponding box are arranged so that the gutter cannot penetrate into the corresponding box of the housing - and therefore authorize the fitting of the cover on the housing - only in one of the two possible positions of presentation of the cover opposite the housing. Such an arrangement is added to those previously exposed to prevent incorrect coupling of component members.

Cette fonction de détrompage peut encore être améliorée en ayant recours au fait que toutes les parois latérales et cloisons intérieures du boîtier portant les nervures d'accrochage tournées d'un même c*oté sont doublées, du c*oté de la nervure, d'une aile de rigidification s'étendant en regard et à distance de la nervure d'accrochage, ladite aile de rigidification constituant également, dans la configuration avec rail décalé, une butée de détrompage empêchant la pénétration de la gouttière correspondante dans le caisson correspondant lorsque le couvercle n'est pas présenté en regard du boîtier dans ladite position prédéterminée.This keying function can be further improved by using the fact that all the side walls and internal walls of the hooking ribs bearing housing facing the same c * Oté are doubled, the c * removed from the rib, of a stiffening wing extending opposite and at a distance from the hooking rib, said stiffening wing also constituting, in the configuration with offset rail, a keying stop preventing the penetration of the corresponding gutter into the corresponding box when the cover is not presented opposite the housing in said predetermined position.

Avantageusement, chaque élément de boîtier comporte une languette longitudinale située extérieurement dans le prolongement du fond du boîtier, afin d'identifier un sens de mise en place du boîtier, une languette étant seccable manuellement notamment pour autoriser la juxtaposition c*ote à c"ote d'au moins deux boîtiers. Par exemple, la hauteur de cette languette est comprise entre % et H, H étant la profondeur de la canalisation.Advantageously, each housing element has a longitudinal tongue located externally in the extension of the bottom of the housing, in order to identify a direction of installation of the housing, a tongue being manually cutable in particular to allow juxtaposition c * ote to c "ote at least two housings. For example, the height of this tab is between% and H, H being the depth of the pipe.

Toujours dans un souci d'éviter la venue en contact involontaire d'organes sous tension, dans le cas où le nombre des rails conducteurs est égal ou supérieur à trois les écartements séparant les fentes d'accès consécutives possèdent alternativement deux valeurs données D1 et D2 avec Dl # D2, et telles que D1 + D2 = 2 p, p étant le pas d'écartement des rails conducteurs.Always with the aim of avoiding the involuntary contact of live parts, in the case where the number of conductive rails is equal to or greater than three, the spacings separating the consecutive access slots have alternately two given values D 1 and D 2 with D l # D 2 , and such that D 1 + D2 = 2 p, p being the spacing pitch of the conductive rails.

Pour éviter une mise en place incorrecte d'un élément de connexion amovible (notamment dans le cas ou le nombre des rails conducteurs est de deux) et éviter la mise en contact d'organes non accouplables, on prévoit que le couvercle comporte une déformation longitudinale soit mâle, soit femelle et plus proche d'un des bords longitudinaux du couvercle que de l'autre, cette déformation étant destinée à coopérer avec une déformation de forme complémentaire (respectivement femelle ou mâle) d'un élément de connexion amovible agencé pour coopérer avec la canalisation.To avoid incorrect placement of a removable connection element (in particular in the case where the number of conductive rails is two) and to avoid contacting non-couplable members, provision is made for the cover to have longitudinal deformation either male or female and closer to one of the longitudinal edges of the cover than the other, this deformation being intended to cooperate with a deformation of complementary shape (respectively female or male) of a removable connection element arranged to cooperate with the pipeline.

Il est également possible de prévoir un couvercle de détrompage agencé comme couvercle aveugle dimensionné pour couvrir au moins un caisson de boîtier et présentant au moins deux bossages longitudinaux parallèles faisant saillie respectivement sur les deux faces dudit couvercle. Avantageusement, ce couvercle de détrompage possède une largeur supérieure à celle d'un couvercle normal (aveugle ou muni de rails) correspondant et il est conformé de manière que la partie supportant un bossage saillant vers l'extérieur recouvre en partie, en position de montage, le couvercle du caisson voisin. De préférence, pour multiplier le nombre des détrompages, le couvercle de détrompage est muni de moyens d'encliquetage autorisant son positionnement sur le boîtier dans les deux sens possibles de montage.It is also possible to provide a polarizing cover arranged as a blind cover sized to cover at least one box housing and having at least two parallel longitudinal bosses projecting respectively on the two faces of said cover. Advantageously, this keying cover has a width greater than that of a normal cover (blind or provided with rails) and it is shaped so that the part supporting an outwardly projecting boss partially covers, in the mounting position. , the cover of the neighboring box. Preferably, to increase the number of polarizations, the polarization cover is provided with latching means allowing its positioning on the housing in the two possible mounting directions.

L'invention sera mieux comprise à la lecture de la description détaillée qui suit de certains modes de réalisation donnés uniquement à titre d'exemple illustratif sans aucun caractère limitatif. Dans cette description, on se réfère aux dessins annexés sur lesquels:

  • - la figure 1 est une vue schématique, en bout et à échelle agrandie, d'une section de canalisation conforme à l'invention,
  • - la figure 2 est une vue schématique, en bout et à échelle agrandie, d'une autre section de canalisation conforme à l'invention,
  • - la figure 3 est une vue partielle très schématique en percpective, d'un élément de canalisation illustrant certaines dispositions conformes à l'invention, et
  • - les figures 4 à 6 sont des vues très schématisées illustrant un exemple d'installation d'alimentation électrique agencé conformément à l'invention.
The invention will be better understood on reading the detailed description which follows of certain embodiments given solely by way of illustrative example without any limiting character. In this description, reference is made to the appended drawings in which:
  • FIG. 1 is a schematic view, at the end and on an enlarged scale, of a pipe section according to the invention,
  • FIG. 2 is a schematic view, at the end and on an enlarged scale, of another section of pipe in accordance with the invention,
  • FIG. 3 is a very schematic partial perspective view of a pipe element illustrating certain arrangements in accordance with the invention, and
  • - Figures 4 to 6 are very schematic views illustrating an example of an electrical supply installation arranged in accordance with the invention.

En se référant tout d'abord à la figure 1, on voit sur cette figure une canalisation 1 constituée de deux canalisations élémentaires 2 et 3.Referring first to FIG. 1, this figure shows a pipe 1 consisting of two elementary pipes 2 and 3.

La canalisation 2 est constituée d'un boîtier 4 et d'un couvercle 5 emboîté sur celui-ci et le fermant.Line 2 consists of a housing 4 and a cover 5 fitted thereon and closing it.

Le boîtier 4 comporte un fond 6, muni de trous 7 pour sa fixation (à l'aide de clous, vis, etc.) sur un support plan (par exemple un mur) en guise de plinthe. Des nervures longitudinales de rigidification 8 peuvent être prévues sur la face interne du fond 6. Deux parois latérales 9 s'étendent sensiblement perpendiculairement au fond, le boîtier 4 ayant, en coupe transversale, la forme approximative d'un U.The box 4 has a bottom 6, provided with holes 7 for fixing it (using nails, screws, etc.) on a flat support (for example a wall) as a plinth. Longitudinal stiffening ribs 8 may be provided on the internal face of the bottom 6. Two side walls 9 extend substantially perpendicular to the bottom, the housing 4 having, in cross section, the approximate shape of a U.

Le boîtier 4 comporte, en outre, une cloison intérieure 10, parallèle aux parois latérales 9, qui divise le volume intérieur du boîtier en deux caissons 11.The housing 4 further comprises an interior partition 10, parallel to the side walls 9, which divides the interior volume of the housing into two boxes 11.

Les bords libres longitudinaux des parois latérales 9 sont munis respectivement de nervures longitudinales 12 saillant vers l'intérieur du caisson et présentant en section transversale, la forme générale d'un bec de manière à délimiter un épaulement longitudinal 13 tourné vers le fond du boîtier.The longitudinal free edges of the side walls 9 are respectively provided with longitudinal ribs 12 projecting towards the inside of the box and having, in cross section, the general shape of a spout so as to delimit a longitudinal shoulder 13 facing the bottom of the housing.

Le bord libre longitudinal de la cloison intérieure 10 est équipé de la même manière, à ceci près toutefois que la nervure 14 fait saillie de part et d'autre de la cloison, pour déterminer deux épaulements 15.The longitudinal free edge of the internal partition 10 is equipped in the same way, except that the rib 14 projects on either side of the partition, to determine two shoulders 15.

Par ailleurs, la paroi latérale 9a située en position inférieure, dans la position de montage de la canalisation contre un mur, qui est représentée à la fig. 1, est munie d'une aile longitudinale 16 de renfort de maintien, ayant la forme générale d'un L en section transversale, et s'étendant en regard de la nervure 12 et à une distance de celle-ci inférieure à l'épaisseur de l'organe d'accrochage complémentaire (dont question plus loin) afin d'assurer un renfort du maintien dudit organe.Furthermore, the side wall 9a located in the lower position, in the position for mounting the pipe against a wall, which is shown in FIG. 1, is provided with a longitudinal wing 16 of reinforcing support, having the general shape of an L in cross section, and extending opposite the rib 12 and at a distance from the latter less than the thickness of the additional fastening member (of which question below) in order to ensure a reinforcement of the maintenance of said member.

De la même manière la cloison intérieure 10 est elle aussi munie d'une aile longitudinale 17 de renfort de maintien faisant saillie dans le caisson 11 supérieur (toujours sur la fig. 1) et s'étendant en regard de la nervure 14 et à distance de celle-ci. L'aile 17 présente également la forme générale d'un L en section transversale, le bord libre du L étant muni d'un rabat longitudinal 18 parallèle au fond du boîtier.In the same way, the internal partition 10 is also provided with a longitudinal wing 17 of reinforcing support protruding into the upper box 11 (still in FIG. 1) and extending opposite the rib 14 and at a distance. of it. The wing 17 also has the general shape of an L in cross section, the free edge of the L being provided with a longitudinal flap 18 parallel to the bottom of the housing.

Le couvercle 5 possède une paroi principale 19, plane dans son ensemble, de mêmes dimensions et de même configuration que le contour extérieur du boîtier 4, de manière que les chants du couvercle soient situés dans l'alignement des parois latérales du boîtier comme représenté à la figure 1.The cover 5 has a main wall 19, flat as a whole, of the same dimensions and of the same configuration as the outer contour of the housing 4, so that the edges of the cover are located in alignment with the side walls of the housing as shown in Figure 1.

La paroi principale 19 est munie de deux fentes longitudinales 20, s'ouvrant approximativement au milieu des caissons 11 lorsque le couvercle 5 est monté sur le boîtier 4 comme représenté à la figure 1, et destinées au passage des organes mâles de connexion électrique d'un élément de connexion amovible non représenté.The main wall 19 is provided with two longitudinal slots 20, opening approximately in the middle of the boxes 11 when the cover 5 is mounted on the housing 4 as shown in FIG. 1, and intended for the passage of the male members of electrical connection of a removable connection element, not shown.

Sur la face arrière de la paroi principale 19 du couvercle 5 font saillie deux parois curvilignes délimitant, avec une portion de la paroi principale 19, respectivement deux gouttières 21 s'ouvrant vers l'extérieur par les fentes 20. Le fond de ces gouttières est conformé, d'une façon en soi connue, pour recevoir et maintenir respectivement deux rails métalliques électriquement conducteurs (non représentés).On the rear face of the main wall 19 of the cover 5 project two curvilinear walls delimiting, with a portion of the main wall 19, respectively two gutters 21 opening towards the outside through the slots 20. The bottom of these gutters is shaped, in a manner known per se, to receive and hold respectively two electrically conductive metal rails (not shown).

Les gouttières 21 sont relativement profondes eu égard aux dimensions des rails conducteurs qu'elles renferment, et elles sont en outre inclinées, par rapport à la paroi principale 19 du couvercle 5, vers le haut (sur la fig. 1), de manière telle que leur plan moyen (P) fasse un angle a d'au moins 20°, typiquement d'environ 45°, avec le plan orthogonal à la paroi principale 19. Cette disposition a pour but d'assurer la sécurité, d'une façon en soi connue, et d'éviter qu'un objet électriquement conducteur introduit à travers une fente 20 puisse venir au contact du rail conducteur correspondant.The gutters 21 are relatively deep with regard to the dimensions of the conductive rails which they contain, and they are also inclined, relative to the main wall 19 of the cover 5, upwards (in FIG. 1), in such a way that their mean plane (P) make an angle a of at least 20 °, typically about 45 °, with the plane orthogonal to the main wall 19. The purpose of this arrangement is to provide security, in a way known per se, and to prevent an electrically conductive object introduced through a slot 20 from coming into contact with the corresponding conductive rail.

La configuration générale des gouttières 21 est telle que dans la position de montage du couvercle 5 sur le boîtier 4 représentée à la figure 1, elles soient logées respectivement dans les deux caissons 11 en boîtier sans contact avec les parois délimitant ceux-ci.The general configuration of the gutters 21 is such that in the mounting position of the cover 5 on the housing 4 shown in FIG. 1, they are housed respectively in the two boxes 11 in the housing without contact with the walls delimiting these.

On notera également que, dans l'exemple représente à la figure 1, les fentes 20 sont situées toutes deux à proximité immédiate des raccordements supérieurs respectifs des gouttières 21 avec la paroi principale 19 du couvercle 5.It will also be noted that, in the example shown in FIG. 1, the slots 20 are both located in the immediate vicinity of the respective upper connections of the gutters 21 with the main wall 19 of the cover 5.

Par ailleurs, la paroi principale 19 du couvercle 5 peut présenter un bossage longitudinal 22 faisant saillie sur la face extérieure de la paroi 19, ce bossage étant destiné à coopérer avec un creux de forme correspondante prévu dans l'élément de connexion amovible précité (non représenté) à des fins de détrompage lors de l'enfichage dudit élément sur la gouttière.Furthermore, the main wall 19 of the cover 5 may have a longitudinal boss 22 projecting from the outer face of the wall 19, this boss being intended to cooperate with a correspondingly shaped recess provided in the above-mentioned removable connection element (not shown) for coding purposes when plugging said element onto the gutter.

Enfin, le couvercle 5 possède des organes d'accrochage, en saillie sur sa face intérieure, destinés à coopérer avec les nervures d'accrochage 12 et 14 du boîtier 4. Ces organes d'accrochage se présentent sous forme d'ailes saillantes à bord libre recourbé pour constituer, en section transversale, un bec d'accrochage, avec délimitation d'un épaulement apte à coopérer avec les épaulements 13 et 15 précités du boîtier. Les deux ailes extrêmes, respectivement inférieure 23 et supérieure 24, sont situées légèrement en retrait des deux bords longitudinaux correspondant de la paroi 19, et sont recourbées vers les bords libres de cette paroi; autrement dit, les deux ailes sont recourbées à l'opposé l'une de l'autre. Quant à l'aile centrale 25, elle est située en regard de l'espace libre s'étendant entre l'aile 17-et la nervure 14 du boîtier et elle est recourbée vers le bas (sur la fig. 1) comme l'aile inférieure 23.Finally, the cover 5 has hooking members, projecting from its inner face, intended to cooperate with the hooking ribs 12 and 14 of the housing 4. These hooking members are in the form of projecting wings on board. free curved to constitute, in cross section, a hooking spout, with delimitation of a shoulder capable of cooperating with the abovementioned shoulders 13 and 15 of the housing. The two end wings, respectively lower 23 and upper 24, are located slightly set back from the two corresponding longitudinal edges of the wall 19, and are curved towards the free edges of this wall; in other words, the two wings are curved opposite one another. As for the central wing 25, it is situated opposite the free space extending between the wing 17 and the rib 14 of the housing and it is bent downwards (in FIG. 1) like the lower wing 23.

Pour faciliter la mise en place correcte (c'est-à-dire dans la position représentée à la fig. 1) du boîtier 4, le fond 6 est prolongé au-delà de la paroi latérale inférieure 9a, par une languette 26 de repérage présentant une ligne de rupture 27 à proximité immédiate de la paroi latérale 9a pour pouvoir être détachée manuellement en cas de besoin, par exemple lorsque deux canalisations doivent être juxtaposées comme cela sera expliqué plus loin. Cette languette seccable peut évidemment être utilisée à d'autres fins, par exemple comme guide d'écartement dont le bord longitudinal inférieur est en butée contre le sol pour que la canalisation s'étende parallèlement au sol.To facilitate correct positioning (that is to say in the position shown in FIG. 1) of the housing 4, the bottom 6 is extended beyond the lower side wall 9a, by a locating tongue 26 having a breaking line 27 in the immediate vicinity of the side wall 9a so that it can be detached manually in the event of need, for example when two pipes must be juxtaposed as will be explained later. This seccible tongue can obviously be used for other purposes, for example as a spacing guide whose lower longitudinal edge is in abutment against the ground so that the pipe extends parallel to the ground.

La hauteur de la languette 26 peut être égale à H étant la profondeur de la canalisation, afin qu'elle soit pas ou peu visible.The height of the tongue 26 can be equal to H being the depth of the pipe, so that it is not or hardly visible.

On peut, bien entendu, prévoir des couvercles de types differents appropriés à des fonctions diverses mais tous munis des mêmes moyens d'encliquetage pour coopérer de façon interchangeable avec le même type de boîtier 4. Par exemple, le bossage longitudinal 22 peut ne pas exister, la face avant du couvercle étant plane (à l'exeption des fentes).We can, of course, provide covers of different types suitable for various functions but all provided with the same latching means to cooperate interchangeably with the same type of housing 4. For example, the longitudinal boss 22 may not exist , the front face of the cover being flat (with the exception of the slots).

On peut également prévoir des couvercles sans rails, ni fentes, constituant de simples couvercles de fermeture : les caissons 11 sont alors utilisables pour recevoir des câblages volants (par exemple fil de téléphone, fil de liaison pour antenne de radio et/ou de télévision, fils de raccordement de haut-parleurs à une source, etc.). Un tel agencement est représenté à la partie supérieure de la figure 1, où la canalisation 3 comporte un boîtier 4 (les mêmes références numériques étant conservées pour désigner les organes identiques à ceux de la canalisation 2) agencé comme précédemment décrit et un couvercle plein 28 double (c'est-à-dire couvrant deux caissons 11) et muni des mêmes éléments d'encliquetage que le couvercle 5.It is also possible to provide covers without rails or slots, constituting simple closing covers: the boxes 11 can then be used to receive flying cables (for example telephone wire, connection wire for radio and / or television antenna, speaker connection wires to a source, etc.). Such an arrangement is shown in the upper part of FIG. 1, where the pipe 3 comprises a housing 4 (the same numerical references being kept to designate the members identical to those of the pipe 2) arranged as previously described and a full cover 28 double (that is to say covering two boxes 11) and provided with the same latching elements as the cover 5.

Par ailleurs, plusieurs canalisations, telles que des canalisations 2 et/ou 3 déjà décrites et/ou d'autres encore comme celle de la figure 2 qui sera décrite plus loin, peuvent être juxtaposées l'une au-dessus de l'autre pour constituer des ensembles plus importants.Furthermore, several pipes, such as pipes 2 and / or 3 already described and / or still others like that of FIG. 2 which will be described below, can be juxtaposed one above the other to constitute larger groups.

Dans ce cas, seul le boîtier inférieur conserve sa lèvre 26, et les lèvres des autres boîtiers devant être disposés au-dessus sont coupées. Grâce à la forme générale extérieure approximativement parallélépipédique de chaque canalisation, la juxtaposition des canalisations peut être rendue aussi parfaite que possible comme représenté à la fig. 1, et l'ensemble peut constituer une gaine d'alimentation électrique d'une bonne esthétique.In this case, only the lower housing retains its lip 26, and the lips of the other housings to be arranged above are cut. Thanks to the roughly parallelepiped general external shape of each pipe, the juxtaposition of the pipes can be made as perfect as possible as shown in FIG. 1, and the assembly can constitute an electrical supply sheath of good aesthetics.

Comme représenté à la fig.1 , on peut, par exemple, juxtaposer deux canalisations à deux caissons chacune pour former une gaine à quatre caissons, une canalisation servant à l'alimentation électrique monophasée simple grâce à un couvercle à deux rails conducteurs, tandis que l'autre est utilisée comme double goulotte grâce à un couvercle aveugle.As shown in fig. 1, it is possible, for example, to juxtapose two pipes with two boxes each to form a sheath with four boxes, a pipe used for simple single-phase electrical supply by means of a cover with two conducting rails, while the other is used as a double chute thanks to a blind cover.

La fig. 2 représente un autre type de canalisation 29 conçue sur le même principe que celles de la fig. 1 mais agencée pour présenter quatre caissons à elle seule. Autrement dit le boîtier 30 possède trois cloisons intérieures 10 (les mêmes références numériques ont été conservées pour désigner les éléments identiques à ceux des canalisations 2 et/ou 3) munies, le long de leurs bords libres respectifs, de moyens d'accrochage (encliquetage) destinés à coopérer avec des moyens complémentaires correspondants prévus sur les couvercles de fermeture, par exemple sur le couvercle 31.Fig. 2 shows another type of pipe 29 designed on the same principle as those of FIG. 1 but arranged to present four boxes on its own. In other words, the housing 30 has three interior partitions 10 (the same reference numerals have been kept to designate the elements identical to those of the pipes 2 and / or 3) provided, along their respective free edges, with hooking means (snap-fastening ) intended to cooperate with corresponding complementary means provided on the closure covers, for example on the cover 31.

Les deux cloisons 10 extrêmes sont munies de moyens d'accrochage identiques à la cloison 10 des canalisations 2 et 3 de la fig. 1, tandis que la cloison 10 centrale est munie des moyens d'accrochage identiques à ceux équipant les parois latérales. On notera toutefois que la jambe de l'aile 32 en L est légèrement plus longue que celle des ailes 16 des boîtiers 4 et l'épaulement 33 situé en regard est, lui aussi, plus long de manière que cette cloison (simple) puisse éventuellement coopérer avec les deux extrémités aboutées de deux couvercles correspondant à deux caissons comme c'est le cas pour les deux cloisons 9 accolées des canalisations 2 et 3 de la fig. 1.The two extreme partitions 10 are provided with hooking means identical to the partition 10 of the pipes 2 and 3 of FIG. 1, while the central partition 10 is provided with attachment means identical to those fitted to the side walls. Note, however, that the leg of the wing 32 in L is slightly longer than that of the wings 16 of the housings 4 and the shoulder 33 located opposite is also longer so that this (simple) partition may possibly cooperate with the two abutting ends of two covers corresponding to two boxes as is the case for the two partitions 9 joined to the pipes 2 and 3 of FIG. 1.

La fermeture du boîtier 30 est réalisée à l'aide de deux couvercles respectivement 31 et 34.The housing 30 is closed using two covers 31 and 34 respectively.

Le couvercle 34 est un couvercle aveugle unitaire, c'est-à-dire ne couvrant qu'un seul caisson, dont le bord longitudinal supérieur vient dans le prolongement de la face externe de la paroi latérale supérieure 9 du boîtier et dont le bord longitudinal inférieur s'arrête sensiblement dans le plan médian de la cloison intérieure 10 supérieure; les moyens d'accrochage sont ceux déjà décrits.The cover 34 is a unitary blind cover, that is to say covering only a single box, the upper longitudinal edge of which extends from the external face of the upper side wall 9 of the housing and the longitudinal edge of which lower stops substantially in the median plane of the upper internal partition 10; the attachment means are those already described.

Le couvercle 31 est, dans son ensemble, agencé selon les principes déjà indiqués pour le couvercle 2 de la fig. 1, à cette différence près que le couvercle 31 est triple, c'est-à-dire qu'il couvre trois caissons 11, pour constituer une alimentation électrique à trois conducteurs (triphasée, ou monophasée avec terre par exemple). Les moyens d'accrochage sont constitués de la même manière, c'est-à-dire que les ailes sont recourbées du même c*oté (vers le bas sur la fig. 2), sauf l'aile supérieure recourbée à l'opposé (vers le haut sur la fig. 2). Par ailleurs, l'aile 35 (première aile recourbée vers le bas) est positionnée de manière à pouvoir coopérer avec l'épaulement 33, c'est-à-dire que le couvercle 31 peut coopérer indifféremment avec un boîtier à au moins trois caissons comme le boîtier 30, ou bien avec deux boîtiers juxtaposés pour former au moins trois caissons comme les deux boîtiers 4 de la fig. 1, le couvercle 31 chevauchant alors ces deux boîtiers.The cover 31 is, as a whole, arranged according to the principles already indicated for the cover 2 of FIG. 1, with the difference that the cover 31 is triple, that is to say that it covers three boxes 11, to constitute a power supply with three conductors (three-phase, or single-phase with earth for example). The hooking means are constituted in the same way, that is to say that the wings are curved in the same side * (down in Fig. 2), except the upper wing curved opposite (upwards in fig. 2). Furthermore, the wing 35 (first wing curved downwards) is positioned so as to be able to cooperate with the shoulder 33, that is to say that the cover 31 can cooperate equally with a housing with at least three boxes. like the box 30, or else with two boxes juxtaposed to form at least three boxes like the two boxes 4 of FIG. 1, the cover 31 then overlapping these two housings.

On remarquera que le bord longitudinal inférieur du couvercle 31 est situé dans le prolongement de la face externe de la paroi latérale inférieure 9a du boîtier 30, tandis que son bord supérieur coïncide approximativement avec le plan médian de la cloison intérieure 10 supérieure, en étant abouté avec le bord inférieur du couvercle 34.It will be noted that the lower longitudinal edge of the cover 31 is located in the extension of the external face of the lower side wall 9a of the housing 30, while its upper edge coincides approximately with the median plane of the upper internal partition 10, being abutted with the lower edge of the cover 34.

On remarquera également que le couvercle 31 ne comporte aucun bossage de détrompage correspondant au bossage 22 du couvercle 5 de la fig. 1. Le détrompage est assuré par un positionnement différent des fentes 20, conduisant à un pas d'écartement variable de ces fentes. A cet effet, les deux fentes extrêmes (supérieure et inférieure) sont situées, comme les fentes 20 de la canalisation 2 de la fig. 1, au voisinage immédiat de la jonction supérieure de la gouttière 21 avec la paroi 36 du couvercle, tandis que la fente centrale se trouve au voisinage immédiat de la jonction inférieure de la gouttière 21 avec la paroi 36.It will also be noted that the cover 31 has no keying boss corresponding to the boss 22 of the cover 5 of fig. 1. The polarization is ensured by a different positioning of the slots 20, leading to a variable spacing pitch of these slots. For this purpose, the two extreme slots (upper and lower) are located, like the slots 20 of the pipe 2 of FIG. 1, in the immediate vicinity of the upper junction of the gutter 21 with the wall 36 of the cover, while the central slot is in the immediate vicinity of the lower junction of the gutter 21 with the wall 36.

Les dispositions conformes à l'invention permettent donc de réaliser des gaines électriques exactement appropriées aux exigences de l'installation, par combinaison de différents modèles de boîtiers avec différents modèles de couvercles tous agencés pour pouvoir coopérer par des moyens d'encliquetage.The arrangements in accordance with the invention therefore make it possible to produce electrical sheaths which are exactly suitable for the requirements of the installation, by combining different models of housings with different models of covers all arranged so as to be able to cooperate by latching means.

D'une façon générale, il est possible d'agencer boîtiers et surtout couvercles de la manière suivante.Generally, it is possible to arrange housings and especially covers in the following manner.

Sur la fig. 3, on a représenté sous une forme très simplifiée et très schématique un couvercle 37 muni de n gouttières 21 pour n rails conducteurs (non représentés) et muni de n fentes 20 d'accès à ces n rails conducteurs, selon l'agencement déjà expliqué en référence à la fig. 1 pour le couvercle 5.In fig. 3, there is shown in a very simplified and very schematic form a cover 37 provided with n gutters 21 for n conductive rails (not shown) and provided with n slots 20 for access to these n conductive rails, according to the arrangement already explained with reference to fig. 1 for cover 5.

La paroi 38 du couvercle 37 est, en outre, munie de n + 1 ailes recourbées d'accrochage destinées à coopérer avec n + 1 moyens d'accrochage complémentaires prévus sur le boîtier (non représenté). Ces ailes s'étendent entre chaque gouttière 21 et en outre deux ailes sont situées au-delà respectivement des gouttières d'extrémité.The wall 38 of the cover 37 is, in addition, provided with n + 1 curved attachment wings intended to cooperate with n + 1 complementary attachment means provided on the housing (not shown). These wings extend between each gutter 21 and further two wings are located respectively beyond the end gutters.

n de ces ailes 39 sont recourbées dans le même sens (vers le bas sur la fig. 3), tandis qu'une, 39a, des ailes extrêmes est recourbée en sens opposé (vers le haut sur la fig. 3).n of these wings 39 are curved in the same direction (downwards in FIG. 3), while one, 39a, of the extreme wings is curved in the opposite direction (upwards in FIG. 3).

Toutes les gouttières 21 sont équidistantes les unes des autres d'un pas p.All the gutters 21 are equidistant from each other by a pitch p.

La distance comprise entre deux ailes d'accrochage consécutives respectivement en positions i et i + 1 déterminées à partir de l'aile supérieure est:

  • E (i, i + 1) = p + ke pour i pair
  • E (i,i + 1) = p - ke pour i impair * 1
  • etE(1,2)=p-koe
    • avec p = pas d'écartement des gouttières 21
    • e = épaisseur de la paroi 38 du couvercle
    • k = constante
    • ko = autre constante de valeur supérieur à k

    En général, on pourra prendre:
    • k = 1/3 et ko = 5/3.
The distance between two consecutive attachment wings respectively in positions i and i + 1 determined from the upper wing is:
  • E (i, i + 1) = p + ke for i even
  • E (i, i + 1) = p - ke for i odd * 1
  • and E (1,2) = pk o e
    • with p = no gutter spacing 21
    • e = thickness of the wall 38 of the cover
    • k = constant
    • k o = other constant of value greater than k

    In general, we can take:
    • k = 1/3 and k o = 5/3.

Dans le cas où le nombre des rails conducteurs est égal ou supérieur à trois, les écartements entre deux fentes 20 successives sont alternativement de deux valeurs différentes D1 et D2 avec D1 + D2 = 2 p.In the case where the number of conductive rails is equal to or greater than three, the spacings between two successive slots 20 are alternately of two different values D 1 and D 2 with D 1 + D 2 = 2 p.

De plus, on notera que, pour chaque caisson, les parois latérales qui le délimitent (paroi latérale du boîtier et/ou cloison intérieure) présentent une nervure seule pour la paroi supérieure (en position de montage représentée sur les figures 1 et 2) et une nervure et une aile de renforcement de maintien en L pour la paroi inférieure.In addition, it will be noted that, for each box, the side walls which delimit it (side wall of the housing and / or internal partition) have a rib only for the upper wall (in the mounting position shown in FIGS. 1 and 2) and a rib and an L-shaped strengthening reinforcement wing for the bottom wall.

Outre la configuration géométrique particulière qu'il en résulte, cette disposition se combine avantageusement avec l'inclinaison précitée d'au moins 20° de gouttières 21, et en outre avec le fait que les zones de fond des gouttières sont, du fait même de cette inclinaison, situées approximativement au niveau des ailes d'accrochage qui les précèdent ou à peu de distance au-dessous de celles-ci (en position de montage des canalisations), afin de procurer un effet de détrompage lors de la mise en place des couvercles sur les boîtiers.In addition to the particular geometrical configuration which results therefrom, this arrangement is advantageously combined with the aforementioned inclination of at least 20 ° of gutters 21, and in addition with the fact that the bottom zones of gutters are, by the very fact of this inclination, located approximately at the level of the attachment wings which precede them or a short distance below them (in the pipe mounting position), in order to provide a polarizing effect during the fitting of the covers on the housings.

Si le couvercle est présenté dans la position convenable devant le boîtier, la distance entre les moyens d'accrochage situés sur les parois latérales des caissons est tout juste suffisante pour autoriser le passage des gouttières correspondantes et leur pénétration -dans les caissons respectifs-. Par contre, si le couvercle est présenté en position inversée (haut en bas et vice-versa) avec les ailes d'accrochage du couvercle en regard des moyens d'accrochage du boîtier, les zones de fond des gouttières (inclinées vers le bas) viennent buter contre les moyens d'accrochage inférieurs (relativement haut du fait de la présence des ailes de renforcement en L) des caissons respectifs et le couvercle ne peut pas être mis en place sur le boîtier.If the cover is presented in the suitable position in front of the housing, the distance between the hooking means located on the side walls of the boxes is just enough to allow the passage of the corresponding gutters and their penetration -in the respective boxes-. On the other hand, if the cover is presented in an inverted position (top to bottom and vice-versa) with the attachment wings of the cover facing the attachment means of the housing, the bottom zones of the gutters (inclined downwards) abut against the lower hooking means (relatively high due to the presence of the L-shaped reinforcement wings) of the respective boxes and the cover cannot be put in place on the housing.

Par ailleurs, il est avantageux de prévoir que les cloisons intérieures 10 des boîtiers sont munies de nervures d'accrochage sur leurs deux faces, de façon symétrique. Il est alors possible de mettre en place sur le boîtier n'importe quel type de couvercle selon toute combinaison souhaitable.Furthermore, it is advantageous to provide that the internal partitions 10 of the housings are provided with hooking ribs on their two faces, symmetrically. It is then possible to place any type of cover on the housing in any desirable combination.

Dans ce contexte, on pourra prévoir que les couvercles aveugles, pour lesquels aucune exigence d'orientation n'est imposée, sont munis de moyens d'accrochage symétriques sur leurs deux bords longitudinaux, de manière à pouvoir être mis en place dans n'importe quelle orientation sur le boîtier.In this context, it may be provided that the blind covers, for which no orientation requirement is imposed, are provided with symmetrical hooking means on their two longitudinal edges, so that they can be put in place in any what orientation on the housing.

Bien entendu l'invention semble devoir se présenter sous une forme particulièrement intéressante si le nombre des pièces constitutives est relativement faible tout en autorisant toutes les combinaisons possibles quant au nombre des caissons qu'il est possible d'obtenir. Par exemple, il semble intéressant de disposer de boîtiers à deux, trois et quatre caissons, de couvercles porte-rails correspondants et de couvercles aveugles correspondant à un, deux ou trois caissons, ce qui doit permettre de réaliser toutes sortes de gaines électriques pour des alimentations électriques monophasées avec ou sans terre, triphasées avec ou sans neutre, et avec ou sans terre, plusieurs alimentations parallèles, goulottes pour câbles volants, etc.Of course, the invention seems to have to be presented in a particularly interesting form if the number of constituent parts is relatively small while allowing all possible combinations as to the number of boxes that it is possible to obtain. For example, it seems interesting to have boxes with two, three and four boxes, corresponding rail covers and blind covers corresponding to one, two or three boxes, which should allow for all kinds of electrical sheaths for single-phase power supplies with or without earth, three-phase with or without neutral, and with or without earth, several parallel supplies, cable ducts, etc.

Pour des raisons de sécurité électrique, les boîtiers et couvercles sont réalisés en un matériau électriquement isolant. Les matières plastiques rigides habituellement utilisées dans le domaine électrique semblent d'autant mieux pouvoir convenir qu'elles peuvent être mises à la forme appropriée par extrusion à travers une filière, mode de fabrication particulièrement avantageux compte tenu de la structure linéaire des boîtiers et couvercles.For electrical safety reasons, the housings and covers are made of an electrically insulating material. The subjects Rigid plastics usually used in the electrical field seem to be all the better able to agree that they can be put into the appropriate shape by extrusion through a die, a particularly advantageous method of manufacture taking into account the linear structure of the housings and covers.

On peut, en outre, prévoir une combinaison de plusieurs des dispositions précédemment exposées dans le but d'élargir le champ des applications de la canalisation électrique de l'invention et/ou de multiplier les fonctions de détrompage.One can, in addition, provide a combination of several of the provisions set out above in order to widen the field of applications of the electrical pipe of the invention and / or to multiply the keying functions.

Un exemple en est illustré aux fig. 4 à 6, qui représentent (d'une façon très schématisée) une installation d'alimentation électrique constituée par association de trois boîtiers à deux caissons chacun, du type représenté en 4 à la figure 1. Sur ces figures 4 à 6, les couvercles sont représentés (pour rendre les dessins plus facilement lisibles) présentés devant les boîtiers correspondants, mais non encliquetés.An example is illustrated in Figs. 4 to 6, which represent (very schematically) an electrical supply installation constituted by association of three boxes with two boxes each, of the type represented by 4 in FIG. 1. In these FIGS. 4 to 6, the covers are shown (to make the drawings more easily readable) presented in front of the corresponding boxes, but not snapped.

A la figure 4, un couvercle 40 équipé de trois rails conducteurs (non représentés) coiffe le boîtier inférieur et le caisson inférieur du boîtier médian.In FIG. 4, a cover 40 fitted with three conductive rails (not shown) covers the lower case and the lower box of the middle case.

Un couvercle 41 équipé de deux rails conducteurs (non représentés) coiffe le boîtier supérieur.A cover 41 fitted with two conducting rails (not shown) covers the upper housing.

Quant au caisson inférieur du boîtier médian, il est coiffé par un couvercle aveugle 42 d'un type particulier, comportant deux bossages longitudinaux et parallèles dont l'un 43 fait saillie extérieurement et dont l'autre 44 fait saillie intérieurement. Par ailleurs, ce couvercle est agencé de la même manière qu'un couvercle aveugle plan tel que le couvercle 3 de la figure 1, notamment pour ce qui concerne ses moyens d'encliquetage.As for the lower box of the middle housing, it is capped by a blind cover 42 of a particular type, comprising two longitudinal and parallel bosses, one of which protrudes externally and the other of which protrudes internally. Furthermore, this cover is arranged in the same way as a flat blind cover such as the cover 3 of FIG. 1, in particular as regards its latching means.

On notera que la largeur du couvercle 42 est supérieure à celle d'un couvercle plan ordinaire et qu'il déborde au-dessus du couvercle 40 voisin. A cet effet, le bossage extérieur 43 est situé sur une partie longitudinale 45 du couvercle qui est située à un niveau différent (décalé vers l'extérieur) par rapport à la partie longitudinale 46 du couvercle qui porte le bossage intérieur 46.Note that the width of the cover 42 is greater than that of an ordinary flat cover and that it overflows above the neighboring cover 40. To this end, the external boss 43 is located on a longitudinal part 45 of the cover which is located at a different level (offset towards the outside) relative to the longitudinal part 46 of the cover which carries the internal boss 46.

L'alimentation électrique ainsi constituée est ainsi une alimentation à cinq conducteurs (par exemple alimentation triphasée avec neutre et terre) qui est très facilement mise en oeuvre à partir de boîtiers et de couvercles standard, par exemple prévue pour une alimentation monophasée à deux conducteurs (deux phases) ou à trois conducteurs (deux phase et terre).The power supply thus constituted is thus a five-conductor power supply (for example three-phase power supply with neutral and earth) which is very easily implemented from standard housings and covers, for example provided for a two-phase power supply with two conductors ( two phases) or three conductors (two phase and earth).

En outre, la présence du couvercle spécial 42 (couvercle de détrompage) n'autorise la connexion sur cette installation que d'un organe connecteur 47 (schématisé en trait spectral) équipé d'un profil exactement complémentaire, c'est-à-dire avec un bossage longitudinal 48 et un creux longitudinal 49 apte à coopérer, en forme et en position, avec les bossages intérieur 44 et extérieur 43, respectivement, du couvercle 42.In addition, the presence of the special cover 42 (polarizing cover) authorizes connection to this installation only with a connector member 47 (shown diagrammatically in spectral line) equipped with an exactly complementary profile, that is to say with a longitudinal boss 48 and a longitudinal recess 49 able to cooperate, in shape and in position, with the interior 44 and exterior 43 bosses, respectively, of the cover 42.

A la figure 5 (sur laquelle les organes identiques à ceux de la figure 4 sont désignés avec les mêmes références numériques), l'agencement est semblable à celui de la figure 4, à cette différence près que le couvercle de détrompage 42 est ici monté à l'envers, c'est-à-dire le bossage extérieur 43 recouvrant le couvercle voisin 41 du boîtier supérieur. Cette possibilité est due au fait que de même que les couvercles aveugles plans, le couvercle de détrompage 42 est muni de moyens d'encliquetage symétrique autorisant sa mise en place indifféremment dans un sens ou dans l'autre.In FIG. 5 (in which the members identical to those in FIG. 4 are designated with the same reference numbers), the arrangement is similar to that of FIG. 4, except that the polarizing cover 42 is here mounted upside down, that is to say the outer boss 43 covering the neighboring cover 41 of the upper housing. This possibility is due to the fact that, like the planar blind covers, the polarizing cover 42 is provided with symmetrical snap-fastening means allowing it to be positioned in either direction.

L'organe connecteur 47' doit, cependant, être agencé conformément à ce nouveau profil pour ce qui concerne la position de son bossage 48' et de son creux 49'.The connector member 47 ′ must, however, be arranged in accordance with this new profile as regards the position of its boss 48 ′ and its hollow 49 ′.

Pour ce qui est de l'installation de la fig. 6, le couvercle aveugle 50 est un couvercle plan, ordinaire, tel que le couvercle 3 de la fig. 1. De ce fait, l'organe connecteur 47" ne doit présenter aucune saillie, à l'inverse des organes connecteurs 47 et 47'.Regarding the installation of fig. 6, the blind cover 50 is a flat, ordinary cover, such as the cover 3 of FIG. 1. As a result, the connector member 47 "must not have any projection, unlike the connector members 47 and 47 '.

On constate ainsi qu'il est possible, facilement et à moindres frais, d'obtenir un détrompage pour que seuls des organes connecteurs appropriés soient connectés à une installation donnée.It is thus found that it is possible, easily and cheaply, to obtain a polarization so that only appropriate connector members are connected to a given installation.

Bien entendu, le couvercle de détrompage peut présenter tout autre configuration appropriée différente de celle du couvercle 42 représentée aux figures 4 et 5. Par exemple, il peut s'étendre sur plusieurs caissons, ne comporter qu'un seul bossage (extérieur ou intérieur) ou au contraire en comporter trois ou plus, etc.Of course, the polarizing cover can have any other appropriate configuration different from that of the cover 42 shown in FIGS. 4 and 5. For example, it can extend over several boxes, having only one boss (outside or inside) or on the contrary have three or more, etc.

Claims (17)

1. Continuous-accessibility electrical conduit designed to have the appearance when mounted of a plinth or molding with a front surface (19, 36, 38) made of nonconducting material and equipped with at least two narrow, parallel, longitudinal access slots (20) and at least two electrical conductors that stretch parallel to each other behind said slots, characterized in that it comprises:
- a base in the form of a case (4, 30) with a more or less U-shaped cross-section open toward the front and intended to be fastened onto a backing (e.g., a wall), with said case comprising at least one longitudinal interior partition (10) delimiting individual boxes (11) to house each conductor in the operating position of the conduit;
- a cover (5, 31, 37) to close the case, said cover having the general shape of a plate provided with said conductor-access slots and supporting, on its back surface, said conductors;
- and snap-lock means (12, 23, 24; 14, 25; 39) provided on the longitudinal free edges of the lateral walls of the case and on the longitudinal edges of the interior partition(s), as well as on the longitudinal areas of the cover located opposite said longitudinal edges of the walls and partition(s) of the case when the cover is mounted on the case;

and [further characterized] in that adjoining snap-lock means n and n + 1 are separated by a distance defined as follows, with the conductors being separated by a constant interval p:
E (n, n + 1) = p + ke for even n
E (n, n + 1) = p - ke for odd n
and E (1, 2) = p - koe for n = 1

with
p - constant interval between conductors
e - thickness of cover
k = constant
k, - constant greater than k
n = order number of conductor counting from the edge of the cover having the first rib (rib 1), by virtue of which, when the cover is mounted on the case, i.e., in the operating position of the conduit, each conductor is enclosed in a box and electrically insulated from the adjoining conductor(s), while each box is mechanically closed over the entire length of its two longitudinal edges in such a way that transversal insertion and (especially) extraction of a removable connector into or out of the conduit will not result in deformation or degradation of the conduit or in loosening of the cover.
2. Electrical conduit of claim 1, characterized in that constants k and ko have the values of: k = 1/3 and ko - 5/3.
3. Electrical conduit of claim 1 or 2, characterized in that the snap-lock means consist of protruding ribs (12,14) with a beak-shaped cross-section that form shoulders (13, 15) extending respectively along the free edges of the lateral walls (9, 9a) and interior partitions (10) of the case and along the wings (23, 24, 25; 39, 39a) that face the cover, and in that, on case and cover, all of the ribs face in the same direction, with the exception of one (24, 39a) that faces in the opposite direction.
4. Electrical conduit of claim 3, characterized in that the rib turned in the opposite direction from the others is borne by one of the lateral walls of the case and by a wing located along an edge of the cover.
5. Electrical conduit of any of claims 1 through 4, characterized in that the case cover is essentially equal in width to the outer width of the case and that several cases with their covers may be juxtaposed.
6. Electrical conduit of any of claims 1 through 4, characterized in that shoulders are provided on both sides of the interior partitions, and in that at least two covers may be snapped side-by-side onto the same case.
7. Electrical conduit of claim 5 or 6, characterized in that a blind cover (28) without a conductor may also be provided to cover at least one box and form at least one [empty] channel.
8. Electrical conduit of any of claims 1 through 7, in which each conductor is offset from the corresponding access slot, characterized in that a plane joining the median axis of a slot (20) and the median axis of the corresponding conductor form an angle (alpha) of at least 20° with the regular plane of the cover.
9. Electrical conduit of any of claims 1 through 8, in which each conductor is positioned and held in place within a duct (21) formed of a piece with the cover and opening onto the corresponding access slot (20), characterized in that the median axis of the duct is inclined away from the normal plane of the cover by at least 20° and in that the outer contour of this duct and the inner contour of the corresponding box are arranged such that the duct can enter the corresponding box of the case, and thereby enable the cover to be installed onto the case in only one of the two possible positions in which the cover can be held up to the case.
10. Electrical conduit of any of claims 1 through 9, characterized in that all of the lateral walls and interior partitions of the case that have snap-lock ribs turned in one direction are backed up, on the side of the rib, by a grip-reinforcement wing (16, 17) that lies opposite and apart from the snap-lock rib, with said grip-reinforcement wing also constituting, in the configuration of claim 9, a safety stop that prevents a duct from entering the corresponding box when the cover is not presented opposite the case in the predetermined position.
11. Electrical conduit of any of claims 1 through 10, characterized in that each case unit comprises a longitudinal tab (26) located outside along the extension of the base of the case for purposes of identifying a direction of installation of the case, with the tab being manually removable in order to allow side-by-side juxtaposition of more than one case.
12. Electrical conduit of claim 11, characterized in that the height of this tab is between and H, with H being the depth of the conduit.
13. Electrical conduit of any of claims 1 through 12, characterized in that, where the number of conductors is three or more, the distances separating consecutive access slots alternatively have two set values D, and D2, with D1 not equal to De, and such that D, + D2 = 2p, with p being the interval between the conductors.
14. Electrical conduit of any of claims 1 through 13, characterized in that the cover comprises a longitudinal deformation (22) (either male or female) located closer to one of the longitudinal edges of the cover than to the other and designed to fit together with a deformation of complementary shape (female or male) on a removable connector or plug designed to fit into with the conduit.
15. Conduit of any of claims 1 through 13, characterized in that a safety cover (42) set up like a blind cover is provided and sized to cover at least one box of a case and having at least two longitudinal, parallel ridges (43, 44) that protrude from the two surfaces of said cover.
16. Conduit of claim 15, characterized in that the safety cover (42) is wider than a corresponding ordinary cover (blind or equipped with conductors) and in that it is shaped in such a way that the part having a ridge (43) on the outside partially covers, when mounted, the cover (40 or 41) of the adjoining box.
17. Conduit according to claimn 25 or 16, characterized in that the safety cover (42) is provided with snap-lock means enabling it to be positioned on the case in both of the two possible directions of mounting.
EP84402375A 1983-11-21 1984-11-21 Electrical ducting with continuous accessibility Expired EP0145571B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84402375T ATE31460T1 (en) 1983-11-21 1984-11-21 ELECTRICAL CHANNELS WITH CONTINUOUS ACCESSIBILITY.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8318492A FR2555371B1 (en) 1983-11-21 1983-11-21 IMPROVEMENTS IN CONTINUOUS ACCESSIBILITY ELECTRICAL PIPING
FR8318492 1983-11-21

Publications (3)

Publication Number Publication Date
EP0145571A2 EP0145571A2 (en) 1985-06-19
EP0145571A3 EP0145571A3 (en) 1985-07-10
EP0145571B1 true EP0145571B1 (en) 1987-12-16

Family

ID=9294337

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84402375A Expired EP0145571B1 (en) 1983-11-21 1984-11-21 Electrical ducting with continuous accessibility

Country Status (10)

Country Link
US (1) US4627679A (en)
EP (1) EP0145571B1 (en)
JP (1) JPS60197112A (en)
AT (1) ATE31460T1 (en)
CA (1) CA1252838A (en)
DE (1) DE3468155D1 (en)
DK (1) DK549884A (en)
ES (1) ES8603665A1 (en)
FR (1) FR2555371B1 (en)
PT (1) PT79528B (en)

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US4872087A (en) * 1987-01-20 1989-10-03 Pass & Seymour, Inc. Mechanical assembly means for grand fault interrupter receptacle
US4907767A (en) * 1988-08-12 1990-03-13 Hubbell Incorporated Stackable modular duct assemblies
US5024614A (en) * 1988-09-26 1991-06-18 Amp Incorporated Surface accessible wiring system and assembly
GB8826084D0 (en) * 1988-11-08 1988-12-14 Hodges K N Modular power & communications management & supply system
US5134250A (en) * 1991-04-10 1992-07-28 Panduit Corp. Wiring duct
AU634882B2 (en) * 1991-04-29 1993-03-04 Feltex Commercial Interiors Pty. Ltd. Wall ducting assembly
US5336849A (en) * 1992-01-17 1994-08-09 The Wiremold Company Raceway assembly for power and communications conductors
IT226229Z2 (en) * 1992-02-11 1997-06-02 Tekno Lit Di Zucchini E Lazzar MULTI-PURPOSE SUPPORT STRUCTURE, ESPECIALLY FOR ELECTRICAL SYSTEMS
FR2689545B1 (en) * 1992-04-07 1994-07-08 Jean Claude Bendrell REMOVABLE CONSOLE FORMING BASE WALL PLINTH FOR FIXING CONNECTIONS.
US6557311B1 (en) 1999-09-07 2003-05-06 Richard Anthony Mongelli Retromolding extender
US6310294B1 (en) * 2000-04-03 2001-10-30 At&T Corp. Vertical separation rack for cable management
US6398594B1 (en) 2001-03-12 2002-06-04 Hubbell Incorporated Two-piece electrical receptacle housing having a barbed post and resilient hoop connection
US6972367B2 (en) 2001-10-31 2005-12-06 Hellermanntyton Corporation Multi-channel raceway
DE102004012316A1 (en) * 2004-03-11 2005-09-22 Alfer-Aluminium Gesellschaft Mbh skirting
DE102004012313A1 (en) * 2004-03-11 2005-09-22 Alfer-Aluminium Gesellschaft Mbh mounting strip
US20070251167A1 (en) * 2006-04-28 2007-11-01 Multilink, Inc. Cable and overlay moldings
US9625139B2 (en) 2010-10-09 2017-04-18 Autronic Plastics, Inc. Modular LED lighting assembly
US10386027B1 (en) 2013-09-13 2019-08-20 Clear-Vu Lighting Llc Pathway lighting system for tunnels
US9909748B2 (en) 2014-05-02 2018-03-06 Clear-Vu Lighting Llc LED light fixture for use in public transportation facilities
US10443827B2 (en) 2018-01-29 2019-10-15 Clear-Vu Lighting Llc Light fixture and wireway assembly
US11490474B1 (en) 2019-03-29 2022-11-01 Autronic Plastics, Inc. Bi-level light fixture for public transportation tunnels

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2478006A (en) * 1946-12-10 1949-08-02 James J Paden Continuous electrical receptacle
US2924802A (en) * 1951-10-20 1960-02-09 Ite Circuit Breaker Ltd Electric receptacle
DE1276153B (en) * 1965-04-15 1968-08-29 Albert Theysohn Cable duct
US3308416A (en) * 1965-10-22 1967-03-07 Dean M Boyd Deep grooved continuous electrical outlet receptacle
NL6602971A (en) * 1966-03-08 1967-09-11
FR2082554A5 (en) * 1970-03-19 1971-12-10 Gregoire & Barilleau Ets
FR2082553A5 (en) * 1970-03-19 1971-12-10 Gregoire Barilleau Ets
FR2337451A1 (en) * 1975-12-31 1977-07-29 Technilec Sarl CONDUIT FOR ELECTRICAL DISTRIBUTION AND SIGNAL WIRES IN BUILDINGS

Also Published As

Publication number Publication date
FR2555371B1 (en) 1986-11-14
DK549884D0 (en) 1984-11-20
ES538110A0 (en) 1986-01-01
ES8603665A1 (en) 1986-01-01
PT79528B (en) 1986-08-12
DK549884A (en) 1985-05-22
DE3468155D1 (en) 1988-01-28
CA1252838A (en) 1989-04-18
EP0145571A3 (en) 1985-07-10
FR2555371A1 (en) 1985-05-24
PT79528A (en) 1984-12-01
JPS60197112A (en) 1985-10-05
US4627679A (en) 1986-12-09
EP0145571A2 (en) 1985-06-19
ATE31460T1 (en) 1988-01-15

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