EP3865638A1 - Sealing device for building, and associated manufacturing method - Google Patents

Sealing device for building, and associated manufacturing method Download PDF

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Publication number
EP3865638A1
EP3865638A1 EP21153144.7A EP21153144A EP3865638A1 EP 3865638 A1 EP3865638 A1 EP 3865638A1 EP 21153144 A EP21153144 A EP 21153144A EP 3865638 A1 EP3865638 A1 EP 3865638A1
Authority
EP
European Patent Office
Prior art keywords
duct
bead
connecting member
distal end
end portion
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.)
Granted
Application number
EP21153144.7A
Other languages
German (de)
French (fr)
Other versions
EP3865638B1 (en
Inventor
Gérard Iftissen
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.)
Rikksen
Original Assignee
Rikksen
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Filing date
Publication date
Application filed by Rikksen filed Critical Rikksen
Publication of EP3865638A1 publication Critical patent/EP3865638A1/en
Application granted granted Critical
Publication of EP3865638B1 publication Critical patent/EP3865638B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
    • E04D13/1407—Junctions of roof sheathings to chimneys or other parts extending above the roof for flat roofs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/06—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes in openings, e.g. rolling-in
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
    • B21D17/02—Forming single grooves in sheet metal or tubular or hollow articles by pressing
    • B21D17/025—Forming single grooves in sheet metal or tubular or hollow articles by pressing by pressing tubes axially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0409—Drainage outlets, e.g. gullies
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0409—Drainage outlets, e.g. gullies
    • E04D2013/0436—Drainage outlets, e.g. gullies with sealing means

Definitions

  • the present invention relates to a sealing device for the building, in particular for a roof, and to a method for its manufacture.
  • the roofs of buildings in particular the flat slabs of roofs, have through passages which are provided for the drainage of rainwater or the passage of chimneys.
  • the drainage or chimney ducts must be tightly connected to the seals provided on the slabs.
  • the patent EP-B1-1 710 365 describes a sealing device which comprises a duct provided at one end with a radial flexible membrane.
  • the membrane has an axial annular portion engaged between an end portion of the conduit and an inner mounting ring.
  • This sealing device has the major drawback of requiring the use of an attached inner mounting ring.
  • the present invention aims to remedy these drawbacks.
  • the invention relates to a sealing device for the building comprising a duct and a connecting member mounted around and integral with the duct.
  • the duct comprises an axial main portion around which the connecting member is mounted, a radial bead formed on the main portion and extending radially outwards, and a distal end portion extending radially. outwardly the main portion and which is axially vis-à-vis the bead to form between them an annular mounting slot open radially outwardly. The distal end portion extends radially beyond the bead.
  • the main portion, the distal end portion and the bead of the duct are made in one piece.
  • the connecting member is mounted in the mounting slot and clamped axially between the bead and the distal end portion of the duct.
  • the distal end portion of the duct comprises at least one local deformation extending on the side of the connecting member and engaged in said connecting member.
  • the fixing of the connecting member is obtained only by the duct which is made in one piece. It is not necessary to provide for the use of additional and attached part to achieve this fixing of the connecting member.
  • the production of the distal end portion which extends radially beyond the bead makes it possible to limit its upward detachment when an outer sealing layer is applied by heat-welding on this distal portion of the bead. end when installing the waterproofing device on a roof slab.
  • the local deformation (s) provided on the distal end portion of the duct provide a function of blocking the connecting member which prevents its radial sliding, in particular if the distal end portion comes to detach slightly when the outer waterproofing layer is applied by heat-welding. This further limits the risk of water infiltration.
  • the manufacture of the sealing device is carried out with a small number of operations for plastic deformation of the duct.
  • the connecting member may have a simple shape, for example flat.
  • Said local deformation of the distal end portion of the duct may for example be offset radially outwards with respect to the bead.
  • Said local deformation of the distal end portion of the duct is advantageously engaged in a complementary recess of the connecting member.
  • This recess can be obtained by deformation of the connecting member itself formed by said local deformation of the distal end portion of the duct.
  • the free end of the distal end portion of the duct is bent on the side of the connecting member and forms said local deformation.
  • Such beads may be located on the distal portion of the duct so as to be offset outwardly with respect to the bead or be formed on the zone of the distal portion located in the axial extension of the bead.
  • said local deformation of the distal end portion of the duct is annular. This further promotes obtaining a hooking on the connecting member.
  • the distal end portion of the conduit could comprise a plurality of deformations spaced relative to each other in the circumferential direction.
  • the radial dimension of the distal end portion of the duct is at least equal to one and a half times the radial dimension of the bead. Such dimensioning limits the risk of the distal end portion of the duct peeling upwards during the application of the outer sealing layer.
  • the dimension radial of the distal end portion of the duct may be at least equal to twice the radial dimension of the bead.
  • the connecting member is clamped axially between the bead and the distal end portion of the duct over at least one annular radial zone. This further promotes obtaining a good seal between the connecting member and the duct.
  • the bead is formed by a proximal portion and by an intermediate portion of the main portion which are interconnected by an annular fold, the intermediate portion being axially facing the distal portion of the bead. end and located axially between the distal portion and the proximal portion.
  • the annular mounting slot can then be formed between the distal end portion and the intermediate portion of the bead.
  • the link member comprises a plate.
  • the connecting member further comprises a reinforcing plate mounted around the main portion of the duct and engaged in the mounting slot, the reinforcing plate being clamped axially between the bead of the duct and the platinum.
  • the method also comprises a step of deformation of the distal end portion of the conduit to form at least one deformation extending from the side of the connecting member and engaged in said connecting member.
  • the step of mounting the connecting member around the duct can be carried out before the step of deformation of the main portion of the duct to at least partially form the bead, or as a variant after this deformation step.
  • the method also comprises a step of deformation of the distal end portion of the conduit to form at least one deformation extending from the side of the connecting member and engaged in said connecting member.
  • the method further comprises, simultaneously with the step of folding the distal end portion of the main portion, a step of radial deformation of the bead of the duct.
  • the step of folding the distal end portion of the conduit may include a first phase during in which only the distal end portion is deformed by bending in the direction of the bead, and a second successive phase during which the bending of the distal end portion in the direction of the bead continues and during which the deformation step is carried out simultaneously radial of the bead of the duct.
  • the method comprises, during the step of mounting the connecting member around the duct, the mounting around said duct of a plate and of a reinforcing plate axially below it. platinum.
  • the free end of said distal portion is bent on the side of the connecting member to form said local deformation.
  • a sealing device referenced 10 as a whole which comprises a duct 12, of axis X-X ', and a connecting plate 14 integral with the duct.
  • the device 10 is shown in an assumed vertical position.
  • the duct 12 successively comprises an annular axial main portion 16 and a distal annular radial end portion 18.
  • the distal portion 18 delimits the free end of the conduit 12.
  • the distal portion 18 extends radially outwardly the main portion 16.
  • the distal portion 18 extends the upper end of the main portion 16.
  • the main portion 16 of the conduit is here cylindrical.
  • the conduit 12 also comprises an annular bead 20 formed on the main portion 16 axially spaced from the distal portion 18.
  • the bead 20 extends radially outwardly relative to the main portion 16.
  • the distal portion 18 extends. radially beyond the bead 20.
  • the radial dimension of the distal portion 18 is at least equal to one and a half times the radial dimension of the bead 20, and even more preferably at least equal to two times the radial dimension of the bead 20.
  • the bead 20 is formed by an annular proximal portion 22 and by an annular intermediate portion 24 of the main portion 16.
  • the proximal 22 and intermediate portions 24 each extend radially outwardly relative to the main portion 16.
  • the portions proximal 22 and intermediate 24 are interconnected by an annular fold 26.
  • the fold 26 has a concave shape oriented radially inward.
  • the proximal 22 and intermediate 24 portions of the bead are axially facing each other and in contact axially against one another.
  • the intermediate portion 24 is located axially between the proximal portion 22 and the distal portion 18.
  • the intermediate portion 24 is axially vis-à-vis the distal end portion 18 while being axially spaced therefrom.
  • the distal portion 18 of the duct and the intermediate portion 24 of the bead 20 provide between them an annular mounting slot 28 open radially outwards.
  • the main portion 16 forms the annular bottom of the slot 28 which is therefore blind.
  • the slot 28 has a radially oriented U-shaped section.
  • the duct 12 is made in one piece, that is to say that the main portion 18, the distal portion 20 and the bead 20 are integral, i.e. in one piece.
  • the connecting plate 14 is provided with a through opening 14a for its mounting on the conduit 12.
  • the plate 14 is mounted around the main portion 16 of the conduit.
  • the internal diameter of the opening 14a is greater than the external diameter of the main portion 16.
  • the plate 14 is engaged in the slot 28 formed between the distal portion 18 and the bead 20.
  • the plate 14 is axially engaged or clamped in the slot. 28 between the distal portion 18 and the bead 20. This allows the attachment of the plate 14 to the conduit 12.
  • the two opposite radial faces of the plate 14 defining its thickness are in contact against the distal portion 18 and against the intermediate portion 24 of the bead.
  • the plate 14 is clamped axially inside the slot 28 between the distal portion 18 and the intermediate portion 24 of the bead.
  • the plate 14 extends radially projecting outside the slot 28.
  • the annular free end part 29 of the distal portion 18 of the duct is bent on the side of the plate 14 and engages in the plate 14.
  • the free end part 29 here extends obliquely on the side of the plate 14.
  • An annular fold is formed between the free end portion 29 of the distal portion 18 and the remainder of the radially extending distal portion 18.
  • the annular free end part 29 of the distal portion 18 engages in the plate 14 by locally deforming the plate, in this case by locally deforming the radial face of the plate 14 in contact against the distal portion 18.
  • a recess (not referenced) complementary is formed on this radial face inside which engages the annular free end portion 29 of the distal portion 18. This recess is formed by local deformation of the radial face of the plate 14.
  • the fold 30 forms a stiffening fold of the distal portion 18 of the duct.
  • the free end portion 29 forms a local deformation of the distal portion 18.
  • the duct 12 can be made of a metallic material, for example of galvanized sheet or of aluminum, or else of a plastic or any other suitable material.
  • the connecting plate 14 may be of a bituminous material, in the form of a flexible membrane, or of a metallic material, for example of a stamped sheet, or else of plastic or any other suitable material.
  • the sealing device 10 can be installed on a slab 31 of a flat or sloping roof to form a sealed connection, for example as follows.
  • the main portion 16 of the duct 12 is axially engaged from top to bottom in the hole 32, until the plate 14 rests on the sealing sub-layer 34 and adheres to the latter.
  • an outer sealing layer 36 can be deposited on the sublayer 34 and on the plate 14, leaving free access to the interior vertical passage delimited by the duct 12.
  • the sub-layer 34 and the outer waterproofing layer 36 are generally made of a bitumen material, laid hot.
  • the sublayer 34 adheres to the slab 31
  • the outer layer 36 adheres to the sublayer 34
  • the plate 14 adheres to both the sublayer 34 and the outer layer 36.
  • the sealing device 10 can be installed upside down, that is to say in a position such that the main portion 16 of the duct 12 extends upwards and protrudes towards the top. high with respect to the slab 31, the plate 14 being placed on the slab 31 between the sealing layers 34 and 36.
  • a machine 40 is used equipped with an external retaining plate 42 equipped with a shoulder 44 forming a stop for the lower end of the duct 12.
  • the plate 42 defines a vertical passage 46 inside. of which is mounted the conduit 12.
  • the passage 46 is internally equipped with an annular groove 48 which extends radially in the plate in the vicinity of a radial upper face thereof.
  • the groove 48 could open onto the upper face of the plate.
  • the conduit 12 is mounted on the machine 40. As illustrated in FIG. figure 4 , there is initially the duct 12 having a rectilinear shape from one end to the other, which is placed vertically through the passage 46 of the plate 42 and which is brought to bear against the shoulder 44. The duct 12 is engaged inside the passage 46 with a slight radial play.
  • the duct 12 is arranged in a vertical position such that it extends axially projecting relative to the upper face of the plate 42.
  • the plate 14 is mounted with radial play around the duct 12. The plate 14 bears axially against the upper face of the plate 42.
  • the machine 40 also comprises a cylindrical interior retaining jig 50 engaged inside the duct 12 with a slight radial play.
  • the template 50 is located axially set back from the groove 48 of the plate.
  • an upper retaining plate 52 is brought axially to bear against the plate. 14.
  • the plate 52 delimits a vertical passage 54 inside which is mounted the part of the duct 12 projecting out of the plate 42.
  • the duct 12 is still formed only from the main portion 16.
  • the machine 40 also comprises a deformation tool or punch 56 which is provided on the outside with an annular shoulder 58.
  • the main portion 16 of the duct 12 is radially outwardly deformed axially below the plate 14.
  • the punch 56 is introduced axially inside the plate 52 and inside the duct 12 with radial play, then comes to bear axially against the upper end of the duct 12 by through the shoulder 58 and continues to move axially until it comes to bear against the template 50 as illustrated in figure 6 .
  • the axial force exerted by the punch 56 on the upper end of the duct 12 causes a radial deformation locally outwardly of the main portion 16 of the duct 12 inside the groove 48 of the plate 42.
  • This second step of the process makes it possible to preform the bead 20 on the main portion 16 of the duct.
  • the punch 56 is then extracted axially upwards outside the duct 12. Then, the jig 50 is also withdrawn.
  • the part of the main portion 16 which is located axially above the preform of the bead 20 and of the plate 14 is bent in order to preform the distal portion 18.
  • a first phase of this third step one begins by removing the plate 52 from the machine. Then, as shown in figure 8 , a forming tool 60 of the machine which is provided on the outside with a frustoconical part 62 is brought axially inside the duct 12 until this part frustoconical is vertically at the height of the part of the main portion 16 which is located axially above the plate 14.
  • the forming tool 60 is actuated radially outwards in order to bend outwards the part of the main portion 16 which projects axially above the plate 14 in the direction of the preform of the bead 20 and of the plate 14.
  • This causes the formation of an annular fold 64 on the main portion 16 of the conduit from which extends the preform of the distal portion 18.
  • the preform of the distal portion 18 s' stretches obliquely.
  • the folding of the preform of the distal portion 18 also makes it possible to preform the slot 28 between the latter and the preform of the bead 20.
  • the forming tool 60 When the forming tool 60 has reached a predetermined internal radial position, here in the vicinity of the bore of the duct 12, then it is returned to its initial position before being extracted axially upwards.
  • the horizontal plate 42 is removed, and another horizontal machine plate 66 is used as illustrated in figure 10 .
  • the plate 66 is equipped with a vertical passage 68 through which the duct 12 extends with a slight radial play.
  • the passage 68 of the plate is internally equipped with an annular groove 70 which extends radially in the thickness of the plate and opens onto a radial upper face thereof.
  • the bore of the groove 70 is designed to be slightly greater than the outside diameter of the preform of the bead 20. This preform of the bead 20 bears axially against the upper end of the passage 68 from which the groove 70 is formed.
  • the plate 14 is located axially at a distance from the upper face of the horizontal plate 66.
  • a crimping tool 72 ( figures 11 and 12 ) abuts axially against the preform of the distal portion 18 of the duct, and is displaced axially downwards to fold it axially against the plate 14 and to compress axially, against the plate 66 which is kept fixed, the axial stack consisting of the distal portion 18 of the duct, of the plate 14 and of the bead 20 of the duct.
  • the distal portion 18, the slot 28 and the bead 20 are definitively formed during this step of the process.
  • the proximal 22 and intermediate 24 portions of the bead axially come into contact with one another.
  • the plate 14 is also clamped axially by axial compression in the slot 28 between the distal portion 18 and the bead 20 of the duct.
  • the crimping tool 72 comprises an annular protuberance 74 of frustoconical shape to simultaneously obtain, when the plate 14 is crimped, the bending of the annular free end portion 29 of the distal portion 18 of the side of the turntable.
  • the free end part 29 engages in the plate 14 by local deformation of said plate.
  • the recess complementary to the free end part 29 is formed by this local deformation.
  • the local deformation of the distal portion 18 of the duct to bend the free end portion 29 is carried out simultaneously with the crimping of the plate 14 inside the tube.
  • this step of local deformation by bending could be carried out successively to the step of axial crimping of the plate 14.
  • a second folding phase As a variant, after the second phase of the third step, it is possible to provide a second folding phase.
  • a second forming tool of the machine which is provided on the outside with a frustoconical part, of greater taper than that of the forming tool 60, comes to press axially against the preform of the distal portion 18 of the duct to continue. the folding thereof around the fold 64 previously formed and in the direction of the preform of the bead 20.
  • this forming tool has reached a predetermined axial position, then it is withdrawn axially upwards.
  • the preform of the distal portion 18 of the duct still extends obliquely upwards.
  • the duct 12 can be moved axially upwards in the direction of the forming tool.
  • the plate 14 forms a connecting member making it possible to install the device on the roof of a building.
  • the connecting member is thus formed only by the plate 14.
  • the connecting member further comprises a reinforcing plate 80 mounted around the axial portion 16 of the duct and engaged inside the slot 28 formed between the distal portion 18 and the bead 20 of the duct.
  • the connecting member is therefore formed by the plate 14 and by the reinforcing plate 80.
  • the reinforcing plate 80 extends radially projecting outside the slot 28.
  • the reinforcing plate 80 is provided with a through opening 80a for its mounting on the duct 12.
  • the reinforcing plate 80 is clamped axially between the. plate 14 and the bead 20, more precisely the intermediate portion 24 thereof.
  • the mounting on the duct 12 of the plate 14, or of the plate 14 and of the reinforcing plate 80 is carried out before the radial deformation of the main portion 16 of the duct which is produced to preform the bead 20.
  • this assembly it could be possible to provide this assembly after radial deformation of the main portion 16 of the duct.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Duct Arrangements (AREA)
  • Gasket Seals (AREA)

Abstract

Le dispositif d'étanchéité pour le bâtiment comprend un conduit 12 et un organe de liaison 14 monté autour et solidaire du conduit, dans lequel le conduit 12 comprend :- une portion principale 16 axiale autour de laquelle est monté l'organe de liaison 14,- un bourrelet 20 radial formé sur la portion principale 16 et s'étendant vers l'extérieur, et- une portion distale 18 d'extrémité prolongeant radialement vers l'extérieur la portion principale 16 et qui est axialement en vis-à-vis du bourrelet 20 pour former entre eux une fente de montage 28 annulaire ouverte radialement vers l'extérieur, la portion distale 18 d'extrémité s'étendant radialement au-delà du bourrelet 20,- la portion principale 16, la portion distale 18 d'extrémité et le bourrelet 20 du conduit étant réalisés en une seule pièce,- l'organe de liaison 14 étant engagé dans la fente de montage 28 et enserré axialement entre le bourrelet 20 et la portion distale 18 d'extrémité du conduit.The sealing device for the building comprises a duct 12 and a connecting member 14 mounted around and integral with the duct, in which the duct 12 comprises: - a main axial portion 16 around which the connecting member 14 is mounted, a radial bead 20 formed on the main portion 16 and extending outwardly, and a distal end portion 18 extending radially outwardly the main portion 16 and which is axially facing the bead 20 to form between them an annular mounting slot 28 open radially outwards, the distal end portion 18 extending radially beyond the bead 20, - the main portion 16, the distal end portion 18 and the bead 20 of the duct being made in one piece, - the connecting member 14 being engaged in the mounting slot 28 and clamped axially between the bead 20 and the distal end portion 18 of the duct.

Description

La présente invention concerne un dispositif d'étanchéité pour le bâtiment, en particulier pour un toit, et un procédé pour sa fabrication.The present invention relates to a sealing device for the building, in particular for a roof, and to a method for its manufacture.

Les toits des bâtiments, notamment les dalles plates de toits, présentent des passages traversants qui sont prévus pour l'écoulement des eaux de pluie ou le passage de cheminées. Les conduits d'écoulement ou de cheminée doivent être reliés de façon étanche aux étanchéités aménagées sur les dalles.The roofs of buildings, in particular the flat slabs of roofs, have through passages which are provided for the drainage of rainwater or the passage of chimneys. The drainage or chimney ducts must be tightly connected to the seals provided on the slabs.

Le brevet EP-B1-1 710 365 décrit un dispositif d'étanchéité qui comprend un conduit muni à une extrémité d'une membrane souple radiale. La membrane présente une portion annulaire axiale prise entre une portion d'extrémité du conduit et une bague de montage intérieure.The patent EP-B1-1 710 365 describes a sealing device which comprises a duct provided at one end with a radial flexible membrane. The membrane has an axial annular portion engaged between an end portion of the conduit and an inner mounting ring.

Ce dispositif d'étanchéité a pour inconvénient majeur de nécessiter l'utilisation d'une bague de montage intérieure rapportée.This sealing device has the major drawback of requiring the use of an attached inner mounting ring.

Une telle solution à bague rapportée présente des inconvénients notamment en termes d'étanchéité et de résistance mécanique.Such an attached ring solution has drawbacks particularly in terms of sealing and mechanical strength.

La présente invention vise à remédier à ces inconvénients.The present invention aims to remedy these drawbacks.

L'invention concerne un dispositif d'étanchéité pour le bâtiment comprenant un conduit et un organe de liaison monté autour et solidaire du conduit.The invention relates to a sealing device for the building comprising a duct and a connecting member mounted around and integral with the duct.

Selon une caractéristique générale, le conduit comprend une portion principale axiale autour de laquelle est monté l'organe de liaison, un bourrelet radial formé sur la portion principale et s'étendant radialement vers l'extérieur, et une portion distale d'extrémité prolongeant radialement vers l'extérieur la portion principale et qui est axialement en vis-à-vis du bourrelet pour former entre eux une fente de montage annulaire ouverte radialement vers l'extérieur. La portion distale d'extrémité s'étend radialement au-delà du bourrelet.According to a general characteristic, the duct comprises an axial main portion around which the connecting member is mounted, a radial bead formed on the main portion and extending radially outwards, and a distal end portion extending radially. outwardly the main portion and which is axially vis-à-vis the bead to form between them an annular mounting slot open radially outwardly. The distal end portion extends radially beyond the bead.

Selon une autre caractéristique générale, la portion principale, la portion distale d'extrémité et le bourrelet du conduit sont réalisés en une seule pièce.According to another general characteristic, the main portion, the distal end portion and the bead of the duct are made in one piece.

Selon une autre caractéristique générale, l'organe de liaison est monté dans la fente de montage et enserré axialement entre le bourrelet et la portion distale d'extrémité du conduit.According to another general characteristic, the connecting member is mounted in the mounting slot and clamped axially between the bead and the distal end portion of the duct.

Selon une autre caractéristique générale, la portion distale d'extrémité du conduit comprend au moins une déformation locale s'étendant du côté de l'organe de liaison et engagée dans ledit organe de liaison.According to another general characteristic, the distal end portion of the duct comprises at least one local deformation extending on the side of the connecting member and engaged in said connecting member.

Ainsi, la fixation de l'organe de liaison est obtenue uniquement par le conduit qui est réalisé en une seule pièce. Il n'est pas nécessaire de prévoir l'utilisation de pièce additionnelle et rapportée pour réaliser cette fixation de l'organe de liaison.Thus, the fixing of the connecting member is obtained only by the duct which is made in one piece. It is not necessary to provide for the use of additional and attached part to achieve this fixing of the connecting member.

La prévision d'un bourrelet s'étendant radialement vers l'extérieur permet l'obtention d'un dispositif d'étanchéité qui soit robuste et fiable dans le temps en limitant le risque d'apparition d'amorces de rupture qui peuvent exister avec un bourrelet s'étendant obliquement.The provision of a bead extending radially outwards makes it possible to obtain a sealing device which is robust and reliable over time while limiting the risk of the appearance of rupture initiators which may exist with a bead extending obliquely.

En outre, la réalisation de la portion distale d'extrémité qui s'étend radialement au-delà du bourrelet permet de limiter son décollement vers le haut lorsqu'une couche extérieure d'étanchéité est appliquée par thermo-soudure sur cette portion distale d'extrémité lors de l'installation du dispositif d'étanchéité sur une dalle de toit.In addition, the production of the distal end portion which extends radially beyond the bead makes it possible to limit its upward detachment when an outer sealing layer is applied by heat-welding on this distal portion of the bead. end when installing the waterproofing device on a roof slab.

On limite ainsi le risque d'infiltrations d'eau entre la portion distale du conduit et l'organe de liaison, ainsi qu'un déchirement de cette couche extérieure d'étanchéité appliquée.This limits the risk of water infiltration between the distal portion of the duct and the connecting member, as well as tearing of this applied outer sealing layer.

Au surplus, la ou les déformations locales prévues sur la portion distale d'extrémité du conduit assurent une fonction de blocage de l'organe de liaison qui empêche son glissement radial, notamment si la portion distale d'extrémité vient à se décoller légèrement lorsqu'est appliquée par thermo-soudure la couche extérieure d'étanchéité. Ceci limite encore le risque d'infiltrations d'eau.In addition, the local deformation (s) provided on the distal end portion of the duct provide a function of blocking the connecting member which prevents its radial sliding, in particular if the distal end portion comes to detach slightly when the outer waterproofing layer is applied by heat-welding. This further limits the risk of water infiltration.

Par ailleurs, la fabrication du dispositif d'étanchéité est réalisée avec un faible nombre d'opérations de déformations plastiques du conduit. En outre, compte tenu de l'orientation radiale de la fente de montage, l'organe de liaison peut présenter une forme simple, par exemple plate.Furthermore, the manufacture of the sealing device is carried out with a small number of operations for plastic deformation of the duct. In addition, taking into account the radial orientation of the mounting slot, the connecting member may have a simple shape, for example flat.

Ladite déformation locale de la portion distale d'extrémité du conduit peut par exemple être décalée radialement vers l'extérieur par rapport au bourrelet.Said local deformation of the distal end portion of the duct may for example be offset radially outwards with respect to the bead.

Ladite déformation locale de la portion distale d'extrémité du conduit est avantageusement engagée dans un évidement complémentaire de l'organe de liaison. Cet évidement peut être obtenu par déformation de l'organe de liaison elle-même formée par ladite déformation locale de la portion distale d'extrémité du conduit.Said local deformation of the distal end portion of the duct is advantageously engaged in a complementary recess of the connecting member. This recess can be obtained by deformation of the connecting member itself formed by said local deformation of the distal end portion of the duct.

Dans un mode de réalisation, l'extrémité libre de la portion distale d'extrémité du conduit est pliée du côté de l'organe de liaison et forme ladite déformation locale.In one embodiment, the free end of the distal end portion of the duct is bent on the side of the connecting member and forms said local deformation.

Alternativement ou en combinaison, il pourrait être possible de prévoir d'autres types de déformation(s) locale(s) s'engageant dans l'organe de liaison, par exemple des nervures ou bourrelets axiaux. De tels bourrelets peuvent être situés sur la portion distale du conduit de sorte à être décalés vers l'extérieur par rapport au bourrelet ou être formés sur la zone de la portion distale située dans le prolongement axial du bourreletAlternatively or in combination, it could be possible to provide other types of local deformation (s) engaging in the connecting member, for example axial ribs or beads. Such beads may be located on the distal portion of the duct so as to be offset outwardly with respect to the bead or be formed on the zone of the distal portion located in the axial extension of the bead.

De préférence, ladite déformation locale de la portion distale d'extrémité du conduit est annulaire. Ceci favorise encore l'obtention d'un accrochage sur l'organe de liaison. Alternativement, la portion distale d'extrémité du conduit pourrait comprend une pluralité de déformations espacées les uns par rapport aux autres dans le sens circonférentiel.Preferably, said local deformation of the distal end portion of the duct is annular. This further promotes obtaining a hooking on the connecting member. Alternatively, the distal end portion of the conduit could comprise a plurality of deformations spaced relative to each other in the circumferential direction.

Avantageusement, la dimension radiale de la portion distale d'extrémité du conduit est au moins égale à une fois et demi la dimension radiale du bourrelet. Un tel dimensionnement limite le risque de décollement vers le haut de la portion distale d'extrémité du conduit lors de l'application de la couche extérieure d'étanchéité. La dimension radiale de la portion distale d'extrémité du conduit peut être au moins égale à deux fois la dimension radiale du bourrelet.Advantageously, the radial dimension of the distal end portion of the duct is at least equal to one and a half times the radial dimension of the bead. Such dimensioning limits the risk of the distal end portion of the duct peeling upwards during the application of the outer sealing layer. The dimension radial of the distal end portion of the duct may be at least equal to twice the radial dimension of the bead.

Préférentiellement, l'organe de liaison est enserré axialement entre le bourrelet et la portion distale d'extrémité du conduit sur au moins une zone radiale annulaire. Ceci favorise encore l'obtention d'une bonne étanchéité entre l'organe de liaison et le conduit.Preferably, the connecting member is clamped axially between the bead and the distal end portion of the duct over at least one annular radial zone. This further promotes obtaining a good seal between the connecting member and the duct.

Dans un mode de réalisation, le bourrelet est formé par une portion proximale et par une portion intermédiaire de la portion principale qui sont reliées entre elles par un pli annulaire, la portion intermédiaire étant axialement en vis-à-vis de la portion distale d'extrémité et située axialement entre la portion distale et la portion proximale. La fente de montage annulaire peut alors être formée entre la portion distale d'extrémité et la portion intermédiaire du bourrelet.In one embodiment, the bead is formed by a proximal portion and by an intermediate portion of the main portion which are interconnected by an annular fold, the intermediate portion being axially facing the distal portion of the bead. end and located axially between the distal portion and the proximal portion. The annular mounting slot can then be formed between the distal end portion and the intermediate portion of the bead.

L'organe de liaison comprend une platine. Dans un mode de réalisation particulier, l'organe de liaison comprend comprendre en outre une plaque de renfort montée autour de la portion principale du conduit et engagée dans la fente de montage, la plaque de renfort étant enserrée axialement entre le bourrelet du conduit et la platine.The link member comprises a plate. In a particular embodiment, the connecting member further comprises a reinforcing plate mounted around the main portion of the duct and engaged in the mounting slot, the reinforcing plate being clamped axially between the bead of the duct and the platinum.

L'invention concerne également un procédé de fabrication d'un dispositif d'étanchéité pour le bâtiment comprenant un conduit et un organe de liaison, le procédé comprenant les étapes suivantes :

  • une étape de montage de l'organe de liaison autour du conduit,
  • une étape de déformation d'une portion principale axiale du conduit pour former au moins en partie un bourrelet radial s'étendant radialement vers l'extérieur,
  • une étape de pliage d'une portion distale d'extrémité du conduit en direction du bourrelet pour former entre eux au moins en partie une fente de montage annulaire ouverte radialement vers l'extérieur et à l'intérieur de laquelle est située en partie l'organe de liaison, et
  • une étape de compression axiale de la portion distale d'extrémité et du bourrelet de la portion principale du conduit pour sertir axialement entre eux l'organe de liaison à l'intérieur de la fente de montage. La portion distale d'extrémité du conduit s'étend radialement au-delà du bourrelet.
The invention also relates to a method of manufacturing a sealing device for the building comprising a duct and a connecting member, the method comprising the following steps:
  • a step of mounting the connecting member around the duct,
  • a step of deformation of a main axial portion of the duct to form at least in part a radial bead extending radially outwards,
  • a step of folding a distal end portion of the conduit towards the bead to form between them at least in part an annular mounting slot open radially outwardly and inside which is located in part the liaison body, and
  • a step of axial compression of the distal end portion and of the bead of the main portion of the duct in order to axially crimp the connecting member between them inside the slot disassembly. The distal end portion of the conduit extends radially beyond the bead.

Le procédé comprend également une étape de déformation de la portion distale d'extrémité du conduit pour former au moins une déformation s'étendant du côté de l'organe de liaison et engagée dans ledit organe de liaison.The method also comprises a step of deformation of the distal end portion of the conduit to form at least one deformation extending from the side of the connecting member and engaged in said connecting member.

L'étape de montage de l'organe de liaison autour du conduit peut être réalisée avant l'étape de déformation de la portion principale du conduit pour former au moins en partie le bourrelet, ou en variante après cette étape de déformation.The step of mounting the connecting member around the duct can be carried out before the step of deformation of the main portion of the duct to at least partially form the bead, or as a variant after this deformation step.

L'invention concerne encore un autre procédé de fabrication d'un dispositif d'étanchéité pour le bâtiment comprenant un conduit et un organe de liaison, le procédé comprenant les étapes suivantes :

  • une étape de montage de l'organe de liaison autour du conduit pourvu d'un bourrelet radial préformé,
  • une étape de pliage d'une portion distale d'extrémité du conduit en direction du bourrelet radial préformé pour former entre eux au moins en partie une fente de montage annulaire ouverte radialement vers l'extérieur et à l'intérieur de laquelle est situé en partie l'organe de liaison, et
  • une étape de compression axiale de la portion distale d'extrémité et du bourrelet radial préformé de la portion principale du conduit pour sertir axialement entre eux l'organe de liaison à l'intérieur de la fente de montage. La portion distale d'extrémité du conduit s'étend radialement au-delà du bourrelet.
The invention relates to yet another method of manufacturing a sealing device for the building comprising a duct and a connecting member, the method comprising the following steps:
  • a step of mounting the connecting member around the duct provided with a preformed radial bead,
  • a step of folding a distal end portion of the conduit towards the preformed radial bead to form between them at least in part an annular mounting slot open radially outwards and inside which is located in part the liaison body, and
  • a step of axial compression of the distal end portion and of the preformed radial bead of the main portion of the duct in order to axially crimp the connecting member between them inside the mounting slot. The distal end portion of the conduit extends radially beyond the bead.

Le procédé comprend également une étape de déformation de la portion distale d'extrémité du conduit pour former au moins une déformation s'étendant du côté de l'organe de liaison et engagée dans ledit organe de liaison.The method also comprises a step of deformation of the distal end portion of the conduit to form at least one deformation extending from the side of the connecting member and engaged in said connecting member.

Dans un mode de mise en œuvre particulier, le procédé comprend en outre, simultanément à l'étape de pliage de la portion distale d'extrémité de la portion principale, une étape de déformation radiale du bourrelet du conduit. L'étape de pliage de la portion distale d'extrémité du conduit peut comprendre une première phase durant laquelle uniquement la portion distale d'extrémité est déformée par pliage en direction du bourrelet, et une deuxième phase successive durant laquelle le pliage de la portion distale d'extrémité en direction du bourrelet se poursuit et durant laquelle est réalisée simultanément l'étape de déformation radiale du bourrelet du conduit.In a particular embodiment, the method further comprises, simultaneously with the step of folding the distal end portion of the main portion, a step of radial deformation of the bead of the duct. The step of folding the distal end portion of the conduit may include a first phase during in which only the distal end portion is deformed by bending in the direction of the bead, and a second successive phase during which the bending of the distal end portion in the direction of the bead continues and during which the deformation step is carried out simultaneously radial of the bead of the duct.

Dans un mode de mise en œuvre particulier, le procédé comprend, durant l'étape de montage de l'organe de liaison autour du conduit, le montage autour dudit conduit d'une platine et d'une plaque de renfort axialement en-dessous de la platine.In a particular embodiment, the method comprises, during the step of mounting the connecting member around the duct, the mounting around said duct of a plate and of a reinforcing plate axially below it. platinum.

Dans un mode de mise en œuvre particulier, durant l'étape de déformation de la portion distale d'extrémité du conduit, l'extrémité libre de ladite portion distale est pliée du côté de l'organe de liaison pour former ladite déformation locale.In a particular embodiment, during the step of deformation of the distal end portion of the conduit, the free end of said distal portion is bent on the side of the connecting member to form said local deformation.

La présente invention sera mieux comprise à l'étude de la description détaillée de modes de réalisation, pris à titre d'exemples nullement limitatifs et illustrés par les dessins annexés, sur lesquels :

  • [Fig 1] est une vue en coupe axiale d'un dispositif d'étanchéité selon un premier exemple de réalisation de l'invention,
  • [Fig 2] est une vue de détail de la figure 1,
  • [Fig 3] est une vue en coupe axiale d'un montage du dispositif d'étanchéité de la figure 1 sur une dalle d'un bâtiment,
  • [Fig 4]
  • [Fig 5]
  • [Fig 6]
  • [Fig 7]
  • [Fig 8]
  • [Fig 9]
  • [Fig 10]
  • [Fig 11] illustrent des étapes de fabrication du dispositif d'étanchéité de la figure 1 selon un exemple de mise en œuvre de l'invention,
  • [Fig 12] est une vue de détail de la figure 11, et
  • [Fig 13] est une vue en coupe axiale d'un dispositif d'étanchéité selon un deuxième exemple de réalisation de l'invention.
The present invention will be better understood by studying the detailed description of embodiments, taken by way of non-limiting examples and illustrated by the appended drawings, in which:
  • [ Fig 1 ] is an axial sectional view of a sealing device according to a first embodiment of the invention,
  • [ Fig 2 ] is a detail view of the figure 1 ,
  • [ Fig 3 ] is an axial sectional view of an assembly of the sealing device of the figure 1 on a slab of a building,
  • [ Fig 4 ]
  • [ Fig 5 ]
  • [ Fig 6 ]
  • [ Fig 7 ]
  • [ Fig 8 ]
  • [ Fig 9 ]
  • [ Fig 10 ]
  • [ Fig 11 ] illustrate steps in the manufacture of the sealing device of the figure 1 according to an example of implementation of the invention,
  • [ Fig 12 ] is a detail view of the figure 11 , and
  • [ Fig 13 ] is an axial sectional view of a sealing device according to a second embodiment of the invention.

Sur les figures 1 et 2 est représenté un dispositif d'étanchéité, référencé 10 dans son ensemble qui comprend un conduit 12, d'axe X-X', et une platine 14 de liaison solidaire du conduit. Le dispositif 10 est représenté dans un position supposée verticale.On the figures 1 and 2 is shown a sealing device, referenced 10 as a whole which comprises a duct 12, of axis X-X ', and a connecting plate 14 integral with the duct. The device 10 is shown in an assumed vertical position.

Le conduit 12 comprend successivement une portion principale 16 axiale annulaire et une portion distale 18 d'extrémité radiale annulaire. La portion distale 18 délimite l'extrémité libre du conduit 12. La portion distale 18 prolonge radialement vers l'extérieur la portion principale 16. La portion distale 18 prolonge l'extrémité supérieure de la portion principale 16. La portion principale 16 du conduit est ici de forme cylindrique. En variante, il pourrait être possible d'avoir une portion principale 16 présentant en section droite une autre forme que circulaire, par exemple polygonale.The duct 12 successively comprises an annular axial main portion 16 and a distal annular radial end portion 18. The distal portion 18 delimits the free end of the conduit 12. The distal portion 18 extends radially outwardly the main portion 16. The distal portion 18 extends the upper end of the main portion 16. The main portion 16 of the conduit is here cylindrical. As a variant, it could be possible to have a main portion 16 having in cross section a shape other than circular, for example polygonal.

Le conduit 12 comprend également un bourrelet 20 annulaire formé sur la portion principale 16 axialement à distance de la portion distale 18. Le bourrelet 20 s'étend radialement vers l'extérieur par rapport à la portion principale 16. La portion distale 18 s'étend radialement au-delà du bourrelet 20. De préférence, la dimension radiale de la portion distale 18 est au moins égale à une fois et demi la dimension radiale du bourrelet 20, et encore plus préférentiellement au moins égale à deux fois la dimension radiale du bourrelet 20.The conduit 12 also comprises an annular bead 20 formed on the main portion 16 axially spaced from the distal portion 18. The bead 20 extends radially outwardly relative to the main portion 16. The distal portion 18 extends. radially beyond the bead 20. Preferably, the radial dimension of the distal portion 18 is at least equal to one and a half times the radial dimension of the bead 20, and even more preferably at least equal to two times the radial dimension of the bead 20.

Le bourrelet 20 est formé par une portion proximale 22 annulaire et par une portion intermédiaire 24 annulaire de la portion principale 16. Les portions proximale 22 et intermédiaire 24 s'étendent radialement chacune vers l'extérieur par rapport à la portion principale 16. Les portions proximale 22 et intermédiaire 24 sont reliées entre elles par un pli 26 annulaire. Le pli 26 présente une forme concave orientée radialement vers l'intérieur.The bead 20 is formed by an annular proximal portion 22 and by an annular intermediate portion 24 of the main portion 16. The proximal 22 and intermediate portions 24 each extend radially outwardly relative to the main portion 16. The portions proximal 22 and intermediate 24 are interconnected by an annular fold 26. The fold 26 has a concave shape oriented radially inward.

Les portions proximale 22 et intermédiaire 24 du bourrelet sont axialement en vis-à-vis et en contact axialement l'une contre l'autre. La portion intermédiaire 24 est située axialement entre la portion proximale 22 et la portion distale 18. La portion intermédiaire 24 est axialement en vis-à-vis de la portion distale 18 d'extrémité en étant axialement à distance de celle-ci.The proximal 22 and intermediate 24 portions of the bead are axially facing each other and in contact axially against one another. The intermediate portion 24 is located axially between the proximal portion 22 and the distal portion 18. The intermediate portion 24 is axially vis-à-vis the distal end portion 18 while being axially spaced therefrom.

La portion distale 18 du conduit et la portion intermédiaire 24 du bourrelet 20 aménagent entre elles une fente 28 de montage annulaire ouverte radialement vers l'extérieur. La portion principale 16 forme le fond annulaire de la fente 28 qui est par conséquent borgne. Dans l'exemple de réalisation illustré, la fente 28 présente une section en forme de U orienté radialement.The distal portion 18 of the duct and the intermediate portion 24 of the bead 20 provide between them an annular mounting slot 28 open radially outwards. The main portion 16 forms the annular bottom of the slot 28 which is therefore blind. In the exemplary embodiment illustrated, the slot 28 has a radially oriented U-shaped section.

Le conduit 12 est réalisé en une seule pièce, c'est-à-dire que la portion principale 18, la portion distale 20 et le bourrelet 20 sont venus de matière, i.e. monoblocs.The duct 12 is made in one piece, that is to say that the main portion 18, the distal portion 20 and the bead 20 are integral, i.e. in one piece.

La platine 14 de liaison est pourvue d'une ouverture 14a traversante pour son montage sur le conduit 12. La platine 14 est montée autour de la portion principale 16 du conduit. Le diamètre intérieur de l'ouverture 14a est supérieur au diamètre extérieur de la portion principale 16. La platine 14 est engagée dans la fente 28 formée entre la portion distale 18 et le bourrelet 20. La platine 14 est prise ou enserrée axialement dans la fente 28 entre la portion distale 18 et le bourrelet 20. Ceci permet la solidarisation de la platine 14 au conduit 12. Les deux faces radiales opposées de la platine 14 définissant son épaisseur sont en contact contre la portion distale 18 et contre la portion intermédiaire 24 du bourrelet. La platine 14 est enserrée axialement à l'intérieur de la fente 28 entre la portion distale 18 et la portion intermédiaire 24 du bourrelet. La platine 14 s'étend radialement en saillie en-dehors de la fente 28.The connecting plate 14 is provided with a through opening 14a for its mounting on the conduit 12. The plate 14 is mounted around the main portion 16 of the conduit. The internal diameter of the opening 14a is greater than the external diameter of the main portion 16. The plate 14 is engaged in the slot 28 formed between the distal portion 18 and the bead 20. The plate 14 is axially engaged or clamped in the slot. 28 between the distal portion 18 and the bead 20. This allows the attachment of the plate 14 to the conduit 12. The two opposite radial faces of the plate 14 defining its thickness are in contact against the distal portion 18 and against the intermediate portion 24 of the bead. The plate 14 is clamped axially inside the slot 28 between the distal portion 18 and the intermediate portion 24 of the bead. The plate 14 extends radially projecting outside the slot 28.

La partie d'extrémité libre 29 annulaire de la portion distale 18 du conduit est pliée du côté de la platine 14 et s'engage dans la platine 14. La partie d'extrémité libre 29 s'étend ici obliquement du côté de la platine 14. Un pli 30 annulaire est formé entre la partie d'extrémité libre 29 de la portion distale 18 et le reste de la portion distale 18 qui s'étend radialement.The annular free end part 29 of the distal portion 18 of the duct is bent on the side of the plate 14 and engages in the plate 14. The free end part 29 here extends obliquely on the side of the plate 14. An annular fold is formed between the free end portion 29 of the distal portion 18 and the remainder of the radially extending distal portion 18.

La partie d'extrémité libre 29 annulaire de la portion distale 18 s'engage dans la platine 14 en déformant localement la platine, en l'espèce en déformant localement la face radiale de la platine 14 en contact contre la portion distale 18. Un évidement (non référencé) complémentaire est formé sur cette face radiale à l'intérieur duquel s'engage la partie d'extrémité libre 29 annulaire de la portion distale 18. Cet évidement est formé par déformation locale de la face radiale de la platine 14. Le pli 30 forme un pli de rigidification de la portion distale 18 du conduit. La partie d'extrémité libre 29 forme une déformation locale de la portion distale 18.The annular free end part 29 of the distal portion 18 engages in the plate 14 by locally deforming the plate, in this case by locally deforming the radial face of the plate 14 in contact against the distal portion 18. A recess (not referenced) complementary is formed on this radial face inside which engages the annular free end portion 29 of the distal portion 18. This recess is formed by local deformation of the radial face of the plate 14. The fold 30 forms a stiffening fold of the distal portion 18 of the duct. The free end portion 29 forms a local deformation of the distal portion 18.

A titre d'exemple, le conduit 12 peut être réalisé en matière métallique, par exemple en tôle galvanisée ou en aluminium, ou encore en une matière plastique ou en toute autre matière adaptée. La platine 14 de liaison peut être en une matière bitumée, sous la forme d'une membrane souple, ou encore en matière métallique, par exemple en une tôle emboutie, ou encore en matière plastique ou en toute autre matière adaptée.By way of example, the duct 12 can be made of a metallic material, for example of galvanized sheet or of aluminum, or else of a plastic or any other suitable material. The connecting plate 14 may be of a bituminous material, in the form of a flexible membrane, or of a metallic material, for example of a stamped sheet, or else of plastic or any other suitable material.

Selon une utilisation illustrée sur la figure 3, le dispositif d'étanchéité 10 peut être installé sur une dalle 31 d'un toit plat ou en pente pour constituer une liaison étanche, par exemple de la manière suivante.According to a use illustrated on figure 3 , the sealing device 10 can be installed on a slab 31 of a flat or sloping roof to form a sealed connection, for example as follows.

Un trou 32 étant ménagé au travers de la dalle 31, on dépose une sous-couche 34 d'étanchéité sur la face supérieure de la dalle 31, jusqu'à proximité de ce trou 32.A hole 32 being made through the slab 31, a sealing sub-layer 34 is deposited on the upper face of the slab 31, up to the proximity of this hole 32.

On engage axialement du haut vers le bas la portion principale 16 du conduit 12 dans le trou 32, jusqu'à ce que la platine 14 repose sur la sous-couche 34 d'étanchéité et adhère à cette dernière.The main portion 16 of the duct 12 is axially engaged from top to bottom in the hole 32, until the plate 14 rests on the sealing sub-layer 34 and adheres to the latter.

Puis, on peut déposer une couche extérieure 36 d'étanchéité sur la sous-couche 34 et sur la platine 14, en laissant libre d'accès le passage vertical intérieur délimité par le conduit 12.Then, an outer sealing layer 36 can be deposited on the sublayer 34 and on the plate 14, leaving free access to the interior vertical passage delimited by the duct 12.

Lors de la pose ou postérieurement, l'extrémité inférieure de la portion principale 16 du conduit 12 est engagée dans l'extrémité supérieure d'un conduit d'évacuation 38.During installation or subsequently, the lower end of the main portion 16 of the duct 12 is engaged in the upper end of an exhaust duct 38.

La sous-couche 34 et la couche extérieure 36 d'étanchéité sont généralement en une matière bitumée, posées à chaud. Ainsi, la sous-couche 34 adhère à la dalle 31, la couche extérieure 36 adhère à la sous-couche 34 et la platine 14 adhère à la fois à la sous-couche 34 et à la couche extérieure 36.The sub-layer 34 and the outer waterproofing layer 36 are generally made of a bitumen material, laid hot. Thus, the sublayer 34 adheres to the slab 31, the outer layer 36 adheres to the sublayer 34 and the plate 14 adheres to both the sublayer 34 and the outer layer 36.

Selon une variante d'utilisation, le dispositif d'étanchéité 10 peut être installé à l'envers, c'est-à-dire dans une position telle que la portion principale 16 du conduit 12 s'étend vers le haut en saillie vers le haut par rapport à la dalle 31, la platine 14 étant posée sur la dalle 31 entre les couches d'étanchéité 34 et 36.According to a variant of use, the sealing device 10 can be installed upside down, that is to say in a position such that the main portion 16 of the duct 12 extends upwards and protrudes towards the top. high with respect to the slab 31, the plate 14 being placed on the slab 31 between the sealing layers 34 and 36.

En référence aux figures 4 à 11, on va maintenant décrire un exemple de mise en œuvre du procédé de fabrication du dispositif d'étanchéité 10 permettant l'obtention du conduit 12 en une pièce et la solidarisation de la platine 14 au conduit.With reference to figures 4 to 11 , we will now describe an example of the implementation of the method of manufacturing the sealing device 10 making it possible to obtain the conduit 12 in one piece and the securing of the plate 14 to the conduit.

Dans cet exemple de fabrication, il est utilisé une machine 40 équipée d'une plaque 42 de maintien extérieure équipée d'un épaulement 44 formant butée pour l'extrémité inférieure du conduit 12. La plaque 42 délimite un passage 46 vertical à l'intérieur duquel est monté le conduit 12. Le passage 46 est équipé intérieurement d'une gorge 48 annulaire qui s'étend radialement dans la plaque au voisinage d'une face supérieure radiale de celle-ci. En variante, la gorge 48 pourrait déboucher sur la face supérieure de la plaque.In this manufacturing example, a machine 40 is used equipped with an external retaining plate 42 equipped with a shoulder 44 forming a stop for the lower end of the duct 12. The plate 42 defines a vertical passage 46 inside. of which is mounted the conduit 12. The passage 46 is internally equipped with an annular groove 48 which extends radially in the plate in the vicinity of a radial upper face thereof. As a variant, the groove 48 could open onto the upper face of the plate.

Dans une première étape du procédé, on procède au montage du conduit 12 sur la machine 40. Comme illustré à la figure 4, on dispose initialement du conduit 12 présentant une forme rectiligne d'un bout à l'autre, que l'on place verticalement au travers du passage 46 de la plaque 42 et qu'on amène en appui contre l'épaulement 44. Le conduit 12 est engagé à l'intérieur du passage 46 avec un léger jeu radial.In a first step of the process, the conduit 12 is mounted on the machine 40. As illustrated in FIG. figure 4 , there is initially the duct 12 having a rectilinear shape from one end to the other, which is placed vertically through the passage 46 of the plate 42 and which is brought to bear against the shoulder 44. The duct 12 is engaged inside the passage 46 with a slight radial play.

Le conduit 12 est disposé dans un position verticale telle qu'il s'étend axialement en saillie par rapport à la face supérieure de la plaque 42. Lors de cette étape ou précédemment, la platine 14 est montée avec un jeu radial autour du conduit 12. La platine 14 vient axialement en appui contre la face supérieure de la plaque 42.The duct 12 is arranged in a vertical position such that it extends axially projecting relative to the upper face of the plate 42. During this step or previously, the plate 14 is mounted with radial play around the duct 12. The plate 14 bears axially against the upper face of the plate 42.

La machine 40 comprend également un gabarit 50 cylindrique de maintien intérieur engagé à l'intérieur du conduit 12 avec un léger jeu radial. Le gabarit 50 est situé axialement en retrait de la gorge 48 de la plaque.The machine 40 also comprises a cylindrical interior retaining jig 50 engaged inside the duct 12 with a slight radial play. The template 50 is located axially set back from the groove 48 of the plate.

Ensuite, lors de cette première étape du procédé, une plaque 52 de maintien supérieure est amenée axialement en appui contre la platine 14. La plaque 52 délimite un passage 54 vertical à l'intérieur duquel est montée la partie du conduit 12 en saillie hors de la plaque 42.Then, during this first step of the method, an upper retaining plate 52 is brought axially to bear against the plate. 14. The plate 52 delimits a vertical passage 54 inside which is mounted the part of the duct 12 projecting out of the plate 42.

A ce stade, le conduit 12 est toujours formé uniquement de la portion principale 16.At this stage, the duct 12 is still formed only from the main portion 16.

Comme cela est illustré à la figure 5, la machine 40 comprend également un outil de déformation ou poinçon 56 qui est pourvu extérieurement d'un épaulement 58 annulaire.As shown in the figure 5 , the machine 40 also comprises a deformation tool or punch 56 which is provided on the outside with an annular shoulder 58.

Dans une deuxième étape du procédé, on procède à la déformation radiale vers l'extérieur de la portion principale 16 du conduit 12 axialement en-dessous de la platine 14.In a second step of the process, the main portion 16 of the duct 12 is radially outwardly deformed axially below the plate 14.

Pour ce faire, lors de cette étape, le poinçon 56 est introduit axialement à l'intérieur de la plaque 52 et à l'intérieur du conduit 12 avec un jeu radial, puis vient axialement en appui contre l'extrémité supérieure du conduit 12 par l'intermédiaire de l'épaulement 58 et continue de se déplacer axialement jusqu'à venir en appui contre le gabarit 50 comme cela est illustré à la figure 6.To do this, during this step, the punch 56 is introduced axially inside the plate 52 and inside the duct 12 with radial play, then comes to bear axially against the upper end of the duct 12 by through the shoulder 58 and continues to move axially until it comes to bear against the template 50 as illustrated in figure 6 .

L'effort axial exercé par le poinçon 56 sur l'extrémité supérieure du conduit 12 provoque une déformation radiale vers l'extérieur de manière locale de la portion principale 16 du conduit 12 à l'intérieur de la gorge 48 de la plaque 42.The axial force exerted by the punch 56 on the upper end of the duct 12 causes a radial deformation locally outwardly of the main portion 16 of the duct 12 inside the groove 48 of the plate 42.

Cette deuxième étape du procédé permet de préformer le bourrelet 20 sur la portion principale 16 du conduit.This second step of the process makes it possible to preform the bead 20 on the main portion 16 of the duct.

Comme illustré à la figure 7, le poinçon 56 est ensuite extrait axialement vers le haut en dehors du conduit 12. Puis, le gabarit 50 est également retiré.As shown in figure 7 , the punch 56 is then extracted axially upwards outside the duct 12. Then, the jig 50 is also withdrawn.

Par la suite, dans une troisième étape du procédé, on procède au pliage de la partie de la portion principale 16 qui est située axialement au-dessus de la préforme du bourrelet 20 et de la platine 14 pour préformer la portion distale 18.Subsequently, in a third step of the method, the part of the main portion 16 which is located axially above the preform of the bead 20 and of the plate 14 is bent in order to preform the distal portion 18.

Lors d'une première phase de cette troisième étape, on commence par retirer la plaque 52 de la machine. Ensuite, comme cela est illustré à la figure 8, un outil de formage 60 de la machine qui est pourvu extérieurement d'une partie tronconique 62 est amené axialement à l'intérieur du conduit 12 jusqu'à ce que cette partie tronconique soit verticalement à la hauteur de la partie de la portion principale 16 qui est située axialement au-dessus de la platine 14.During a first phase of this third step, one begins by removing the plate 52 from the machine. Then, as shown in figure 8 , a forming tool 60 of the machine which is provided on the outside with a frustoconical part 62 is brought axially inside the duct 12 until this part frustoconical is vertically at the height of the part of the main portion 16 which is located axially above the plate 14.

Puis, comme cela est représenté à la figure 9, l'outil de formage 60 est actionné radialement vers l'extérieur afin de plier vers l'extérieur la partie de la portion principale 16 qui s'étend en saillie axialement au-dessus de la platine 14 en direction de la préforme du bourrelet 20 et de la platine 14. Ceci provoque la formation d'un pli 64 annulaire sur la portion principale 16 du conduit à partir duquel s'étend la préforme de la portion distale 18. A ce stade, la préforme de la portion distale 18 s'étend obliquement. Le pliage de la préforme de la portion distale 18 permet aussi de préformer la fente 28 entre celle-ci et la préforme du bourrelet 20.Then, as shown in the figure 9 , the forming tool 60 is actuated radially outwards in order to bend outwards the part of the main portion 16 which projects axially above the plate 14 in the direction of the preform of the bead 20 and of the plate 14. This causes the formation of an annular fold 64 on the main portion 16 of the conduit from which extends the preform of the distal portion 18. At this stage, the preform of the distal portion 18 s' stretches obliquely. The folding of the preform of the distal portion 18 also makes it possible to preform the slot 28 between the latter and the preform of the bead 20.

Lorsque l'outil de formage 60 a atteint une position radiale intérieure prédéterminée, ici au voisinage de l'alésage du conduit 12, alors il est ramené dans sa position initiale avant d'être extrait axialement vers le haut.When the forming tool 60 has reached a predetermined internal radial position, here in the vicinity of the bore of the duct 12, then it is returned to its initial position before being extracted axially upwards.

Ensuite, dans une deuxième phase de la troisième étape, la plaque 42 horizontale est retirée, et une autre plaque 66 horizontale de la machine est utilisée comme cela est illustré à la figure 10. La plaque 66 est équipée d'un passage 68 vertical au travers duquel s'étend le conduit 12 avec un léger jeu radial.Then, in a second phase of the third step, the horizontal plate 42 is removed, and another horizontal machine plate 66 is used as illustrated in figure 10 . The plate 66 is equipped with a vertical passage 68 through which the duct 12 extends with a slight radial play.

Le passage 68 de la plaque est équipé intérieurement d'une gorge 70 annulaire qui s'étend radialement dans l'épaisseur de la plaque et débouche sur une face supérieure radiale de celle-ci. L'alésage de la gorge 70 est prévu pour être légèrement supérieur au diamètre extérieur de la préforme du bourrelet 20. Cette préforme du bourrelet 20 vient axialement en appui contre l'extrémité supérieure du passage 68 à partir de laquelle est formée la gorge 70. La platine 14 est située axialement à distance de la face supérieure de plaque 66 horizontale.The passage 68 of the plate is internally equipped with an annular groove 70 which extends radially in the thickness of the plate and opens onto a radial upper face thereof. The bore of the groove 70 is designed to be slightly greater than the outside diameter of the preform of the bead 20. This preform of the bead 20 bears axially against the upper end of the passage 68 from which the groove 70 is formed. The plate 14 is located axially at a distance from the upper face of the horizontal plate 66.

Par la suite, dans une quatrième étape du procédé, un outil de sertissage 72 (figures 11 et 12) vient axialement en appui contre la préforme de la portion distale 18 du conduit, et est déplacé axialement vers le bas pour la rabattre axialement contre la platine 14 et pour comprimer axialement, contre la plaque 66 qui est maintenue fixe, l'empilement axial constitué de la portion distale 18 du conduit, de la platine 14 et du bourrelet 20 du conduit. La portion distale 18, la fente 28 et le bourrelet 20 sont définitivement formés lors de cette étape du procédé. Lors de cette quatrième étape, les portions proximale 22 et intermédiaire 24 du bourrelet viennent axialement en contact l'une contre l'autre. La platine 14 est également enserrée axialement par compression axiale dans la fente 28 entre la portion distale 18 et le bourrelet 20 du conduit.Subsequently, in a fourth step of the process, a crimping tool 72 ( figures 11 and 12 ) abuts axially against the preform of the distal portion 18 of the duct, and is displaced axially downwards to fold it axially against the plate 14 and to compress axially, against the plate 66 which is kept fixed, the axial stack consisting of the distal portion 18 of the duct, of the plate 14 and of the bead 20 of the duct. The distal portion 18, the slot 28 and the bead 20 are definitively formed during this step of the process. During this fourth step, the proximal 22 and intermediate 24 portions of the bead axially come into contact with one another. The plate 14 is also clamped axially by axial compression in the slot 28 between the distal portion 18 and the bead 20 of the duct.

Ce faisant, l'écartement axial entre la portion distale 18 et la portion intermédiaire 24 du bourrelet est réduit et la platine 14 est enserré axialement, de façon étanche, entre ces deux portions. Il en résulte un montage par sertissage de la platine 14 à l'intérieur de la fente 28 délimitée entre la portion distale 18 et le bourrelet 20 du conduit est monté par sertissage le montage est effectué par sertissage.In doing so, the axial spacing between the distal portion 18 and the intermediate portion 24 of the bead is reduced and the plate 14 is clamped axially, in a sealed manner, between these two portions. This results in an assembly by crimping of the plate 14 inside the slot 28 delimited between the distal portion 18 and the bead 20 of the duct is mounted by crimping and the assembly is carried out by crimping.

Dans cet exemple de mise en œuvre, l'outil de sertissage 72 comprend une protubérance 74 annulaire de forme tronconique pour obtenir simultanément, au sertissage de la platine 14, le pliage de la partie d'extrémité libre 29 annulaire de la portion distale 18 du côté de la platine. La partie d'extrémité libre 29 s'engage dans la platine 14 par déformation locale de ladite platine. L'évidement complémentaire à la partie d'extrémité libre 29 est formé par cette déformation locale.In this exemplary implementation, the crimping tool 72 comprises an annular protuberance 74 of frustoconical shape to simultaneously obtain, when the plate 14 is crimped, the bending of the annular free end portion 29 of the distal portion 18 of the side of the turntable. The free end part 29 engages in the plate 14 by local deformation of said plate. The recess complementary to the free end part 29 is formed by this local deformation.

Enfin, dans une cinquième et dernière étape du procédé, on retire l'outil de sertissage 72 et la plaque 66, et on obtient le dispositif d'étanchéité 10 décrit et illustré à la figure 1.Finally, in a fifth and final step of the process, the crimping tool 72 and the plate 66 are removed, and the sealing device 10 described and illustrated in figure 1 .

Dans l'exemple de mise en œuvre du procédé qui vient d'être décrit, la déformation locale de la portion distale 18 du conduit pour plier la partie d'extrémité libre 29 est réalisée simultanément au sertissage de la platine 14 à l'intérieur de la fente 28 délimitée entre la portion distale 18 et le bourrelet 20 du conduit. En variante, cette étape de déformation locale par pliage pourrait être réalisée successivement à l'étape de sertissage axial de la platine 14.In the example of implementation of the method which has just been described, the local deformation of the distal portion 18 of the duct to bend the free end portion 29 is carried out simultaneously with the crimping of the plate 14 inside the tube. the slot 28 delimited between the distal portion 18 and the bead 20 of the duct. As a variant, this step of local deformation by bending could be carried out successively to the step of axial crimping of the plate 14.

Par ailleurs, dans l'exemple de mise en œuvre du procédé qui vient d'être décrit, il est prévu une unique phase de pliage de la partie de la portion principale 16 qui est située axialement au-dessus de la platine 14 pour préformer la portion distale 18.Furthermore, in the example of implementation of the method which has just been described, there is provided a single phase of folding the part. of the main portion 16 which is located axially above the plate 14 to preform the distal portion 18.

En variante, après la deuxième phase de la troisième étape, il est possible de prévoir une deuxième phase de pliage. Dans ce cas, un deuxième outil de formage de la machine qui est pourvu extérieurement d'une partie tronconique, de conicité supérieure à celle de l'outil de formage 60, vient appuyer axialement contre la préforme de la portion distale 18 du conduit pour poursuivre le pliage de celle-ci autour du pli 64 précédemment formé et en direction de la préforme du bourrelet 20. Lorsque cet outil de formage a atteint une position axiale prédéterminée, alors il est retiré axialement vers le haut. Lors de cette deuxième phase du pliage, la préforme de la portion distale 18 du conduit s'étend encore obliquement vers le haut.As a variant, after the second phase of the third step, it is possible to provide a second folding phase. In this case, a second forming tool of the machine which is provided on the outside with a frustoconical part, of greater taper than that of the forming tool 60, comes to press axially against the preform of the distal portion 18 of the duct to continue. the folding thereof around the fold 64 previously formed and in the direction of the preform of the bead 20. When this forming tool has reached a predetermined axial position, then it is withdrawn axially upwards. During this second phase of the folding, the preform of the distal portion 18 of the duct still extends obliquely upwards.

Simultanément à cette deuxième phase de pliage de la préforme de la portion distale 18, le conduit 12 peut être déplacé axialement vers le haut en direction de l'outil de formage.Simultaneously with this second phase of folding the preform of the distal portion 18, the duct 12 can be moved axially upwards in the direction of the forming tool.

Comme indiqué précédemment, la platine 14 forme un organe de liaison permettant d'installer le dispositif sur le toit d'un bâtiment. Dans ce premier exemple, l'organe de liaison est ainsi formé uniquement par la platine 14.As indicated above, the plate 14 forms a connecting member making it possible to install the device on the roof of a building. In this first example, the connecting member is thus formed only by the plate 14.

L'exemple de réalisation illustré à la figure 12, sur laquelle les éléments identiques portent les mêmes références, diffère du premier exemple décrit en ce que l'organe de liaison comprend en outre une plaque de renfort 80 montée autour de la portion axiale 16 du conduit et engagée à l'intérieur de la fente 28 formée entre la portion distale 18 et le bourrelet 20 du conduit. Dans ce deuxième exemple, l'organe de liaison est donc formé par la platine 14 et par la plaque de renfort 80.The exemplary embodiment illustrated in figure 12 , on which the identical elements bear the same references, differs from the first example described in that the connecting member further comprises a reinforcing plate 80 mounted around the axial portion 16 of the duct and engaged inside the slot 28 formed between the distal portion 18 and the bead 20 of the duct. In this second example, the connecting member is therefore formed by the plate 14 and by the reinforcing plate 80.

La plaque de renfort 80 s'étend radialement en saillie en-dehors de la fente 28. La plaque de renfort 80 est pourvue d'une ouverture 80a traversante pour son montage sur le conduit 12. La plaque de renfort 80 est enserrée axialement entre la platine 14 et le bourrelet 20, plus précisément la portion intermédiaire 24 de celui-ci.The reinforcing plate 80 extends radially projecting outside the slot 28. The reinforcing plate 80 is provided with a through opening 80a for its mounting on the duct 12. The reinforcing plate 80 is clamped axially between the. plate 14 and the bead 20, more precisely the intermediate portion 24 thereof.

Le même procédé que celui décrit précédemment peut être mis en œuvre pour l'obtention du dispositif 10 de ce deuxième exemple, avec un montage de la plaque de renfort 80 sur le conduit 12 simultanément au montage de la platine 14.The same method as that described above can be implemented to obtain the device 10 of this second example, with mounting the reinforcing plate 80 on the duct 12 simultaneously with the mounting of the plate 14.

Dans les exemples de mise en œuvre précédemment décrits, le montage sur le conduit 12 de la platine 14, ou de la platine 14 et de la plaque de renfort 80, s'effectue avant la déformation radiale de la portion principale 16 du conduit qui est réalisée pour préformer le bourrelet 20. Alternativement, il pourrait être possible de prévoir ce montage après déformation radiale de la portion principale 16 du conduit.In the implementation examples described above, the mounting on the duct 12 of the plate 14, or of the plate 14 and of the reinforcing plate 80, is carried out before the radial deformation of the main portion 16 of the duct which is produced to preform the bead 20. Alternatively, it could be possible to provide this assembly after radial deformation of the main portion 16 of the duct.

Dans une autre variante de réalisation, il est également possible de réaliser le montage de la platine 14, ou de la platine 14 et de la plaque de renfort 80, sur un conduit pourvu d'un bourrelet préformé sur un site de fabrication séparé.In another variant embodiment, it is also possible to carry out the mounting of the plate 14, or of the plate 14 and of the reinforcing plate 80, on a duct provided with a preformed bead on a separate manufacturing site.

Claims (15)

Dispositif d'étanchéité pour le bâtiment comprenant un conduit (12) et un organe de liaison (14 ; 14, 80) monté autour et solidaire du conduit, dans lequel le conduit (12) comprend : - une portion principale (16) axiale autour de laquelle est monté l'organe de de liaison (14 ; 14, 80), - un bourrelet (20) radial formé sur la portion principale (16) et s'étendant radialement vers l'extérieur, et - une portion distale (18) d'extrémité prolongeant radialement vers l'extérieur la portion principale (16) et qui est axialement en vis-à-vis du bourrelet (20) pour former entre eux une fente de montage (28) annulaire ouverte radialement vers l'extérieur, la portion distale (18) d'extrémité s'étendant radialement au-delà du bourrelet (20), - la portion principale (16), la portion distale (18) d'extrémité et le bourrelet (20) du conduit étant réalisés en une seule pièce, - l'organe de liaison (14 ; 14, 80) étant monté dans la fente de montage (28) et enserré axialement entre le bourrelet (20) et la portion distale (18) d'extrémité du conduit - la portion distale (18) d'extrémité du conduit comprenant au moins une déformation (29) locale s'étendant du côté de l'organe de liaison (14 ; 14, 80) et engagée dans ledit organe de liaison. Sealing device for the building comprising a duct (12) and a connecting member (14; 14, 80) mounted around and integral with the duct, in which the duct (12) comprises: - a main axial portion (16) around which is mounted the connecting member (14; 14, 80), - a radial bead (20) formed on the main portion (16) and extending radially outwards, and - a distal end portion (18) extending radially outwardly the main portion (16) and which is axially vis-à-vis the bead (20) to form between them an open annular mounting slot (28) radially outwards, the distal end portion (18) extending radially beyond the bead (20), - the main portion (16), the distal end portion (18) and the bead (20) of the duct being made in one piece, - the connecting member (14; 14, 80) being mounted in the mounting slot (28) and clamped axially between the bead (20) and the distal end portion (18) of the duct - the distal end portion (18) of the duct comprising at least one local deformation (29) extending on the side of the connecting member (14; 14, 80) and engaged in said connecting member. Dispositif selon la revendication 1, dans lequel ladite déformation (29) locale de la portion distale (18) d'extrémité du conduit est décalée radialement vers l'extérieur par rapport au bourrelet (20).Device according to Claim 1, in which said local deformation (29) of the distal end portion (18) of the duct is radially outwardly offset with respect to the bead (20). Dispositif selon la revendication 1 ou 2, dans lequel ladite déformation (29) locale de la portion distale (18) d'extrémité du conduit est engagée dans un évidement complémentaire de l'organe de liaison (14 ; 14, 80).Device according to claim 1 or 2, wherein said local deformation (29) of the distal end portion (18) of the duct is engaged in a complementary recess of the connecting member (14; 14, 80). Dispositif selon l'une quelconque des revendications précédentes, dans lequel l'extrémité libre de la portion distale (18) d'extrémité du conduit est pliée du côté de l'organe de liaison (14 ; 14, 80) et forme ladite déformation locale (29).A device according to any one of the preceding claims, wherein the free end of the distal portion (18) end of the duct is bent on the side of the connecting member (14; 14, 80) and forms said local deformation (29). Dispositif selon l'une quelconque des revendications précédentes, dans lequel ladite déformation (29) locale de la portion distale (18) d'extrémité du conduit est annulaire.Device according to any one of the preceding claims, in which said local deformation (29) of the distal end portion (18) of the duct is annular. Dispositif selon l'une quelconque des revendications précédentes, dans lequel la dimension radiale de la portion distale (18) d'extrémité du conduit est au moins égale à une fois et demi la dimension radiale du bourrelet (20).Device according to any one of the preceding claims, in which the radial dimension of the distal end portion (18) of the duct is at least equal to one and a half times the radial dimension of the bead (20). Dispositif selon l'une quelconque des revendications précédentes, dans lequel l'organe de liaison (14 ; 14, 80) est enserré axialement entre le bourrelet (20) et la portion distale (18) d'extrémité du conduit sur au moins une zone radiale annulaire.Device according to any one of the preceding claims, in which the connecting member (14; 14, 80) is clamped axially between the bead (20) and the distal end portion (18) of the duct over at least one area annular radial. Dispositif selon l'une quelconque des revendications précédentes, dans lequel le bourrelet (20) est formé par une portion proximale (22) et par une portion intermédiaire (24) de la portion principale qui sont reliées entre elles par un pli (26) annulaire, la portion intermédiaire (24) étant axialement en vis-à-vis de la portion distale (18) d'extrémité et située axialement entre la portion distale (18) et la portion proximale (22).Device according to any one of the preceding claims, in which the bead (20) is formed by a proximal portion (22) and by an intermediate portion (24) of the main portion which are interconnected by an annular fold (26) , the intermediate portion (24) being axially vis-à-vis the distal end portion (18) and located axially between the distal portion (18) and the proximal portion (22). Dispositif selon l'une quelconque des revendications précédentes, dans lequel l'organe de liaison (14 ; 14, 80) comprend une platine de liaison (14).Device according to any one of the preceding claims, in which the connecting member (14; 14, 80) comprises a connecting plate (14). Dispositif selon la revendication 9, dans lequel l'organe de liaison (14 ; 14, 80) comprend en outre une plaque de renfort (80) montée autour de la portion principale (16) du conduit et engagée dans la fente de montage (28), la plaque de renfort (80) étant enserrée axialement entre le bourrelet (20) du conduit et la platine de liaison (14).A device according to claim 9, wherein the connecting member (14; 14, 80) further comprises a reinforcing plate (80) mounted around the main portion (16) of the duct and engaged in the mounting slot (28 ), the reinforcing plate (80) being clamped axially between the bead (20) of the duct and the connecting plate (14). Procédé de fabrication d'un dispositif d'étanchéité pour le bâtiment comprenant un conduit (12) et un organe de liaison (14 ; 14, 80), le procédé comprenant les étapes suivantes : - une étape de montage de l'organe de liaison (14 ; 14, 80) autour du conduit (12), - une étape de déformation d'une portion principale (16) axiale du conduit pour former au moins en partie un bourrelet (20) radial s'étendant radialement vers l'extérieur, - une étape de pliage d'une portion distale (18) d'extrémité du conduit en direction du bourrelet (20) pour former entre eux au moins en partie une fente de montage (28) annulaire ouverte radialement vers l'extérieur et à l'intérieur de laquelle est situé en partie l'organe de liaison (14 ; 14, 80), et - une étape de compression axiale de la portion distale (18) d'extrémité et du bourrelet (20) du conduit pour sertir axialement entre eux l'organe de liaison (14 ; 14, 80) à l'intérieur de la fente de montage (28), la portion distale (18) d'extrémité s'étendant radialement au-delà du bourrelet (20), et - une étape de déformation locale de la portion distale (18) d'extrémité du conduit pour former au moins une déformation (29) s'étendant du côté de l'organe de liaison (14 ; 14, 80) et engagée dans ledit organe de liaison. A method of manufacturing a waterproofing device for the building comprising a conduit (12) and a connecting member (14; 14, 80), the method comprising the following steps: - a step of mounting the connecting member (14; 14, 80) around the duct (12), - a step of deformation of a main axial portion (16) of the duct to at least partially form a radial bead (20) extending radially outwards, - a step of folding a distal end portion (18) of the duct in the direction of the bead (20) to form between them at least in part an annular mounting slot (28) open radially outwards and to the outside. 'inside which the connecting member (14; 14, 80) is located, and - a step of axial compression of the distal end portion (18) and of the bead (20) of the duct in order to axially crimp the connecting member (14; 14, 80) between them inside the mounting slot (28), the distal end portion (18) extending radially beyond the bead (20), and - a step of local deformation of the distal end portion (18) of the duct to form at least one deformation (29) extending from the side of the connecting member (14; 14, 80) and engaged in said member link. Procédé selon la revendication 11, dans lequel l'étape de montage de l'organe de liaison (14 ; 14, 80) autour du conduit (12) est réalisée avant l'étape de déformation de la portion principale (16) du conduit pour former au moins en partie le bourrelet (20).A method according to claim 11, wherein the step of mounting the connecting member (14; 14, 80) around the duct (12) is performed before the step of deforming the main portion (16) of the duct to at least partially forming the bead (20). Procédé de fabrication d'un dispositif d'étanchéité pour le bâtiment comprenant un conduit (12) et un organe de liaison (14 ; 14, 80), le procédé comprenant les étapes suivantes : - une étape de montage de l'organe de liaison (14 ; 14, 80) autour du conduit (12) pourvu d'un bourrelet radial préformé, - une étape de pliage d'une portion distale (18) d'extrémité du conduit en direction du bourrelet radial préformé pour former entre eux au moins en partie une fente de montage (28) annulaire ouverte radialement vers l'extérieur et à l'intérieur de laquelle est situé en partie l'organe de liaison (14 ; 14, 80), - une étape de compression axiale de la portion distale (18) d'extrémité et du bourrelet radial préformé du conduit pour sertir axialement entre eux l'organe de liaison (14 ; 14, 80) à l'intérieur de la fente de montage, la portion distale (18) d'extrémité s'étendant radialement au-delà du bourrelet (20), et - une étape de déformation locale de la portion distale (18) d'extrémité du conduit pour former au moins une déformation (29) s'étendant du côté de l'organe de liaison (14 ; 14, 80) et engagée dans ledit organe de liaison. A method of manufacturing a waterproofing device for the building comprising a conduit (12) and a connecting member (14; 14, 80), the method comprising the following steps: - a step of mounting the connecting member (14; 14, 80) around the duct (12) provided with a preformed radial bead, - a step of folding a distal end portion (18) of the duct in the direction of the preformed radial bead to form between them at least in part an annular mounting slot (28) open radially outwards and to the inside which the connecting member (14; 14, 80) is located, - a step of axial compression of the distal end portion (18) and of the preformed radial bead of the duct in order to axially crimp the connecting member (14; 14, 80) between them inside the mounting slot, the distal end portion (18) extending radially beyond the bead (20), and - a step of local deformation of the distal end portion (18) of the duct to form at least one deformation (29) extending from the side of the connecting member (14; 14, 80) and engaged in said member link. Procédé selon l'une quelconque des revendications 11 à 13, comprenant en outre, simultanément à l'étape de pliage de la portion distale (18) d'extrémité du conduit, une étape de déformation radiale du bourrelet (20) du conduit.A method according to any one of claims 11 to 13, further comprising, simultaneously with the step of folding the distal end portion (18) of the conduit, a step of radially deforming the bead (20) of the conduit. Procédé selon l'une quelconque des revendications 11 à 14, dans lequel, durant l'étape de déformation de la portion distale (18) d'extrémité du conduit, l'extrémité libre de ladite portion distale est pliée du côté de l'organe de liaison (14 ; 14, 80) pour former ladite déformation locale (29).A method according to any one of claims 11 to 14, wherein during the step of deforming the distal end portion (18) of the conduit, the free end of said distal portion is bent towards the organ side. link (14; 14, 80) to form said local deformation (29).
EP21153144.7A 2020-02-12 2021-01-25 Sealing device for building, and associated manufacturing method Active EP3865638B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2001375A FR3107071B1 (en) 2020-02-12 2020-02-12 Sealing device for the building, and associated method of manufacture

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EP3865638A1 true EP3865638A1 (en) 2021-08-18
EP3865638B1 EP3865638B1 (en) 2022-02-16

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EP (1) EP3865638B1 (en)
CA (1) CA3107157A1 (en)
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JP6665958B1 (en) * 2019-03-19 2020-03-13 Ｊｆｅスチール株式会社 Joint structure of vehicle body frame parts, vehicle body frame parts, and method of manufacturing the vehicle body frame parts

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US4130932A (en) * 1975-11-11 1978-12-26 Arkla Industries, Inc. Method of joining a tube to a plate
JPS545859A (en) * 1977-06-15 1979-01-17 Daiichi Kinzoku Kogyo Method and apparatus for fixing seattplate to cylindrical member
JP2006175455A (en) * 2004-12-21 2006-07-06 Masaki Seisakusho:Kk Method for manufacturing discharging part of oil receiving plate and discharging pipe and grooving tool using for the same
EP1710365B1 (en) 2005-03-23 2013-11-20 Odco Sealing device for building constructions and method of its manufacture
WO2014135772A1 (en) * 2013-03-05 2014-09-12 Numalliance Tool for forming a collar at one end of a tube
FR3072107A1 (en) * 2017-10-10 2019-04-12 Gerard Iftissen SEALING DEVICE FOR THE BUILDING, COMPRISING A CONDUIT AND A CONNECTING MEMBER

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FR2992241B1 (en) * 2012-06-21 2014-07-18 Faurecia Sieges Automobile METHOD OF FORMING A METAL TUBE WITH FASTENING ON A FLANGE AND ASSEMBLY COMPRISING SUCH A TUBE
FR3022962B1 (en) * 2014-06-27 2017-02-10 Bollhoff Otalu Sa CRIMPING PIECE ON A SUPPORT, DEVICE COMPRISING SUCH A PART AND METHODS OF MANUFACTURING SUCH A PART AND SUCH A DEVICE

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Publication number Priority date Publication date Assignee Title
CH276204A (en) * 1949-07-02 1951-06-30 Sulzer Ag Method for connecting a pipe socket to a sheet metal wall and device for carrying out the method.
US4130932A (en) * 1975-11-11 1978-12-26 Arkla Industries, Inc. Method of joining a tube to a plate
JPS545859A (en) * 1977-06-15 1979-01-17 Daiichi Kinzoku Kogyo Method and apparatus for fixing seattplate to cylindrical member
JP2006175455A (en) * 2004-12-21 2006-07-06 Masaki Seisakusho:Kk Method for manufacturing discharging part of oil receiving plate and discharging pipe and grooving tool using for the same
EP1710365B1 (en) 2005-03-23 2013-11-20 Odco Sealing device for building constructions and method of its manufacture
WO2014135772A1 (en) * 2013-03-05 2014-09-12 Numalliance Tool for forming a collar at one end of a tube
FR3072107A1 (en) * 2017-10-10 2019-04-12 Gerard Iftissen SEALING DEVICE FOR THE BUILDING, COMPRISING A CONDUIT AND A CONNECTING MEMBER

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US20210246660A1 (en) 2021-08-12
FR3107071A1 (en) 2021-08-13
US11674315B2 (en) 2023-06-13
FR3107071B1 (en) 2022-03-25
CA3107157A1 (en) 2021-08-12
EP3865638B1 (en) 2022-02-16

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