EP3873714A1 - Vorrichtung und verfahren zum überformen einer verglasung und einsatz sowie von dieser vorrichtung verwendeter einsatz und dieses verfahren - Google Patents

Vorrichtung und verfahren zum überformen einer verglasung und einsatz sowie von dieser vorrichtung verwendeter einsatz und dieses verfahren

Info

Publication number
EP3873714A1
EP3873714A1 EP19813379.5A EP19813379A EP3873714A1 EP 3873714 A1 EP3873714 A1 EP 3873714A1 EP 19813379 A EP19813379 A EP 19813379A EP 3873714 A1 EP3873714 A1 EP 3873714A1
Authority
EP
European Patent Office
Prior art keywords
insert
housing
glazing
referencing
roof
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.)
Pending
Application number
EP19813379.5A
Other languages
English (en)
French (fr)
Inventor
Romain Gonnet
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.)
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
Original Assignee
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Saint Gobain Glass France SAS, Compagnie de Saint Gobain SA filed Critical Saint Gobain Glass France SAS
Publication of EP3873714A1 publication Critical patent/EP3873714A1/de
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336Coating a portion of the article, e.g. the edge of the article
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336Coating a portion of the article, e.g. the edge of the article
    • B29C45/14377Coating a portion of the article, e.g. the edge of the article using an additional insert, e.g. a fastening element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065Positioning or centering articles in the mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336Coating a portion of the article, e.g. the edge of the article
    • B29C45/14434Coating brittle material, e.g. glass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/36Moulds having means for locating or centering cores
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336Coating a portion of the article, e.g. the edge of the article
    • B29C2045/14459Coating a portion of the article, e.g. the edge of the article injecting seal elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • B29C2045/338Mould parts with combined axial and transversal movements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60JWINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J10/00Sealing arrangements
    • B60J10/70Sealing arrangements specially adapted for windows or windscreens
    • B60J10/74Sealing arrangements specially adapted for windows or windscreens for sliding window panes, e.g. sash guides
    • B60J10/78Sealing arrangements specially adapted for windows or windscreens for sliding window panes, e.g. sash guides adjacent to corner pieces, mirror supports or quarter windows

Definitions

  • the invention relates to a device and a method for encapsulating a glazing unit and an associated insert, as well as an insert suitable for implementing said device and method.
  • the invention further relates to the overmolded assembly obtained by implementing this method.
  • the encapsulation of a glazing consists in associating with the peripheral edge of a glazing a polymer seal or other polymeric element, most often a thermoplastic elastomer (TPE) or polyvinyl chloride (PVC).
  • TPE thermoplastic elastomer
  • PVC polyvinyl chloride
  • the glazing is often associated at the edge or near the edge of the glazing, with at least one insert which can either constitute a filling part in order to replace a certain thickness of polymeric material to guarantee a complete and homogeneous injection of the plastic material, or properly constitute a support piece intended to serve as a mounting base for an accessory in the subsequent use of the glazing.
  • the encapsulation phase is obtained by injecting plastic material into a mold of suitable shape where the glazing has been placed. As the injection of material tends to move the insert, the insert should be kept perfectly in position during the injection phase.
  • an overmolding device comprising a lower mold part and an upper mold part, which are movable relative to each other between an open position, which is suitable for the arrangement and removal of a glazing and an insert to be overmolded, and a closed position, in which the two mold parts define at least one cavity intended to receive a glazing and an insert to be overmolded.
  • the lower part of the mold includes five retractable pins distributed around its inner periphery, which are adapted to be inserted into corresponding orifices formed on the sides of the insert to be overmolded.
  • the glazing is first affixed to the lower part of the mold, then the insert to be overmolded is positioned with great precision by an operator and held on the lower part of the mold, so that each of the five orifices provided on the sides of the insert is perfectly aligned with the respective paths of the five pins holding the mold,
  • the five pins are then deployed to be plugged into said orifices, in order to immobilize the insert on the mold,
  • the device is closed, and the polymeric overmolding material is injected, then
  • the pins are retracted so as to allow the insert to be ejected when the device is opened.
  • the invention aims to remedy at least part of the aforementioned drawbacks, and relates, according to a particular embodiment, to an assembly formed by an insert and an overmolding device comprising a lower mold part and an upper mold part which are movable with respect to each other between:
  • said device being characterized in that the lower part comprises a receiving housing which is adapted, by its shape complementarity with a member for referencing the insert, to form a stop at said member in a direction of insertion of the insert, and to immobilize said member along a vertical axis.
  • the stop function of the receiving housing relates to its ability to stop the movement of the insert during its insertion. More specifically, a member for referencing the insert has a complementary geometry of at least a portion of the receiving housing, so as to be able to come to bear on the latter and thus to stop the stroke of the insert during its insertion. .
  • This referencing member therefore allows rapid and easy positioning of the insert relative to the glazing and to the mold, while guaranteeing indexing of the insert in the overmolding reference frame.
  • the reference member of the insert is immobilized there along a vertical axis. In other words, the receiving housing then prohibits any movement of the referencing member according to the closing plane of the mold.
  • This characteristic offers in particular a secure hold of the insert during the subsequent step of injection of the plastic overmolding material, the result of the pressure stresses generated during the injection acting mainly along a vertical axis.
  • the risks of breakage formerly concentrated on the mold pins, are considerably reduced, and are mainly concentrated on the insert referencing member, which is an easily replaceable part . Maintenance of the overmolding device is therefore facilitated.
  • the only part of the insert that must necessarily remain visible is its referencing member, the other portions being able to optionally be completely overmolded. It may thus be easier to arrange the overmolded assembly on a given structure, for example within a door of a motor vehicle.
  • the reception housing comprises a roof which at least partially delimits a space for receiving said referencing member of the insert.
  • a roof makes it possible in particular to immobilize the referencing member of the insert in a vertical direction.
  • said referencing member comprises a roof, which is flush above a bearing surface of the insert on said lower mold part and has a complementary shape with the housing of the lower part of the mold.
  • a roof makes it possible in particular to facilitate the insertion and the maintenance of the referencing member of the insert in said receiving housing.
  • the roof of said housing (60) and / or the roof (311) of said referencing member (31) comprises a bevel profile.
  • the beveled profile of at least one of said roofs also allows the roof of the housing to form a stop for the referencing member, according to its direction of insertion.
  • the roof of said housing and / or the roof of said member has a section in top view in a V shape.
  • the section in top view of the roof of said housing designates the shape of the latter when considered according to the normal to the closing plane of the device.
  • the section in top view of the roof of the reference member of the insert designates the shape of the latter when considered according to the normal to the support plane of the insert on the lower part of the device.
  • This form in V gives said roof two contact surfaces extending in non-aligned directions, which facilitates the insertion of the referencing member into the housing, as well as its extraction after overmolding.
  • the hollow of the interior of the V of the roof of the referencing member has a concave cut in an arc of a circle. Such a cut allows an operator to have a latitude of angular displacement of the insert, in a horizontal plane. The insertion of the insert is made easier.
  • the roof of the referencing member is secured to the rest of the insert by peripheral attachments, which are preferably breakable.
  • these fasteners connect the base of the referencing member to the part of its roof intended to be the farthest from the reception housing.
  • the internal surface of these fasteners forms a stop at the roof of the reception housing.
  • the fasteners can be breakable or in other words, present technical solutions making it easier to cut them, for example via the localized narrowing of their thickness along a cutting line. Given the fact that after overmolding, the fasteners and the roof of the referencing member necessarily remain apparent, the breakable nature of these fasteners makes it easier to separate them later from the referencing member and the rest of the assembly molded.
  • said housing is partly constituted by a system with a movable drawer in translation between:
  • said housing is adapted to form a stop at said member in a direction of insertion of the insert and to immobilize this member along a vertical axis
  • a retracted position which is adapted to allow the release of the referencing member in a vertical direction.
  • the implementation of such a drawer system makes it possible to facilitate the ejection of the insert after overmolding, the withdrawal of the insert can be carried out vertically when the drawer system is in the retracted position.
  • the drawer system comprises a part movable in translation which notably integrates the roof of the reception housing, so that in the advanced position, this roof forms a stop at the referencing member at the same time as 'it immobilizes it along a vertical axis, and in the retracted position, this roof is set back in order to free the referencing member from the insert.
  • said housing is formed in a recess formed in said lower part of the mold. In the absence of a part flush with the surface of the mold, this recess is made more robust and also more compact.
  • the invention also relates to a device for molding a glazing unit and at least one insert, intended to form part of an assembly such as that described above, said device comprising a lower part mold and an upper part of mold which are movable relative to each other between:
  • said device being characterized in that the lower part comprises a housing which is adapted, by its complementary shape with a referencing member of the insert, to form a stop at said member in an insertion direction, and to immobilize said organ along a vertical axis.
  • the invention also relates to an insert intended to form part of an assembly such as that described above, said insert being intended to be secured to a glazing after overmolding in a device comprising a lower part of mold and an upper part of mold which are movable relative to each other between an open position, which is suitable for arranging and removing the glazing and the insert to be molded, and
  • said insert being characterized in that it comprises a referencing member which is adapted, by its shape complementarity with a housing of said lower mold part, to come into abutment in said housing in a direction of insertion of the insert, and be immobilized along a vertical axis.
  • the invention also relates to an overmolding process implementing an assembly such as that described above, comprising at least the following steps:
  • this method implements a drawer system such as that described above, which is initially in the advanced position, and is tilted in the retracted position following the injection of the polymeric overmolding material.
  • this characteristic makes it easier to eject the insert after overmolding
  • the invention also relates to an overmolded assembly obtained by implementing such a method.
  • Such an overmolded assembly differs from already existing encapsulations in that the referencing member remains visible after overmolding. However, it is not necessary to provide pin entries around the periphery of the molded insert.
  • the invention also relates to the use of such an overmolded assembly as glazing for a motor vehicle.
  • the overmolded assembly is thus adapted to be implemented in a motor vehicle, in particular by its weight, its size and its compactness.
  • FIG 1 shows a schematic top view of the lower part 10 of the device on which a glazing 2 is arranged.
  • the lower part 10 is in particular equipped with a drawer system comprising a movable retaining part, in the advanced position.
  • FIG. 2 is a detail view of FIG. 1 at the level of the housing 60 for receiving the insert 3.
  • FIG. 3 is a view of the underside of the insert 3, which is intended to be opposite the lower part 10 of the device 1 and the glazing 2.
  • FIG 4 is a perspective view of the member 31 for referencing the insert 2, which is intended to cooperate with the housing 60 for receiving the lower part 10 of the device.
  • Figure 5 differs from Figure 1 in that an insert 3 is mounted on the device 1.
  • Figure 6 is a sectional view along the sectional plane AA of Figure 1, to the difference that the device is in the closed position. The part 60a is in its advanced position.
  • FIG 7 Figure 7 differs from Figure 6 in that the polymeric overmolding material has been injected.
  • FIG 8 Figure 8 differs from Figure 7 in that the part 60a is in its retracted position.
  • Figure 9 differs from Figure 8 in that with the device 1 is in the open position and ready for ejection of the assembly formed by the overmolded glazing and the insert.
  • the qualifiers "upper” and “lower” of an element of the overmolding device, the insert or the glazing are used in the part of a normal installation of the device so that the closing plane of the device is in a horizontal plane just like the glazing.
  • the purpose of the overmolding device 1 of the invention is to encapsulate a glazing 2.
  • the encapsulation is preferably present over the entire periphery of the glazing 2, in the form of 'A polymeric seal 4 in which an insert 3 is molded, and thus secured to the glazing 2.
  • the insert 3 has the shape illustrated in Figures 3 and 4. This shape of the insert is not, however, limiting.
  • the overmolding device 1 comprises a lower part of the mold 10, and an upper part of the mold 11 movable relative to the lower part 10, the two parts 10 and 11 delimiting respective cavities 12 and 13 (FIG. 6) in which are intended to install the glazing 2 and the insert 3, and which provide the volume suitable for the injection of polymeric material 4 to encapsulate the glazing and the insert as visible on the finished overmolded product of FIG. 10.
  • the glazing 2 has two opposite main faces 20 and 21 connected by the edge 22.
  • the glazing is positioned flat in the device.
  • the geometry of the glazing 2 illustrated in FIGS. 1 and 2 is given by way of nonlimiting example.
  • the cavity 12 also has an appropriate geometry as to the shape of the insert 3, and the shape of the polymeric seal 4 for encapsulating the insert.
  • the cavity 12 in the fixed part 10 intended to receive the referencing member 31 of the insert 3 is notably delimited by:
  • a lateral flat 16 which is arranged above the peripheral wall 14 and limited in surface to accommodate the referencing member 31 of the insert 3;
  • the lower part 10 comprises a receiving housing 60 which is adapted, by its complementary shape with a member 31 for referencing the insert 3 (illustrated in FIGS. 3 to 9 ), to form a stop at said member 31 along a direction of insertion of the insert 3, and to immobilize said member 31 along a vertical axis. More specifically, this housing 60 is formed in a recess formed in said lower part of the mold 10, and comprises a roof 601 which at least partially delimits a space 602 for receiving said member 31 for referencing the insert 3.
  • Such a roof 601 allows in particular to immobilize the referencing member of the insert in a vertical direction.
  • the roof 601, as well as the reception space 602, has a section in top view in a V shape. Note that in FIGS. 1 and 2, a first zone of the reception space 602 is uncovered and visible. , while a second zone is overhung by the roof 601, and is delimited in FIG. 2 by dotted lines.
  • the overmolding device 1 is equipped with a drawer system 6, which in particular comprises a part movable in translation, in a direction t, which integrates the roof 601 of the receiving housing 60, so that in the advanced position, this roof forms a stop at the reference member 31 at the same time as it immobilizes it along a vertical axis, and that in the retracted position, this roof 601 is set back in order to free the referencing member 31 from the insert 3.
  • a drawer system makes it possible to facilitate the ejection of the insert after overmolding, the withdrawal of the insert 3 being able to be carried out vertically when the drawer system 6 is in the retracted position.
  • FIGS. 3 and 4 are schematic representations of an insert 3 according to a particular embodiment of the invention.
  • an insert 3 is intended to be secured to a glazing 2 after overmolding in a device 1 such as that described above.
  • this insert 3 comprises a referencing member 31 which is adapted, by its shape complementarity with the housing 60 of the lower mold part 10, to come into abutment in said housing 60 in a direction of insertion of the insert, and be immobilized along a vertical axis, as illustrated in Figures 6 and 7.
  • the referencing member 31 includes a roof 311, which is flush above a bearing surface 33 of the insert 3 on said lower mold part 10, and has a complementary shape with the housing 60 of the lower part of the mold 10, as illustrated by FIGS. 6 and 7.
  • the roof 311 of the referencing member 31 is secured to the rest of the insert 3 by peripheral attachments 32.
  • the assembly formed by the roof 311, the fasteners 32 and the bearing surface 33 of the insert 3 define a receiving space 602 (see FIGS. 8 and 9) of the member 31 for referencing the insert 3.
  • Such a roof 311 makes it possible in particular to immobilize the member 31 for referencing the insert 3 in a vertical direction.
  • the roof 311 of the referencing member 31 has a section in top view in a V shape.
  • This V shape gives this roof 311 two contact surfaces extending along non-aligned directions, which facilitates the insertion of the referencing member into the housing, as well as its extraction after overmolding.
  • the hollow of the interior of the V of the roof 311 of the referencing member 31 has a concave cutout 312 in an arc of a circle, which allows an operator to have a latitude of angular displacement of the insert 3, according to a horizontal plane. The insertion of the insert 3 is made easier.
  • the roof 601 of the housing 60 and the roof 311 of the referencing member 31 both comprise a bevelled profile, which makes it easier to insert the member 31 of referencing in the housing 60, as well as its extraction after overmolding.
  • These beveled profiles also allow the roof 601 of the housing 60 to form a stop for the referencing member 31, according to its direction of insertion.
  • the roof 601 of the housing 60 is not brought into contact with the internal part of the peripheral attachments 32 of the referencing member 3, so that the latter have only a mechanical connection function of the surface of the bearing surface 33 and of the roof 311 of the insert 3.
  • the extent of the fasteners 32 can be limited to its strict minimum to ensure this function.
  • the roof 601 may only be linked to the bearing surface 33 of the referencing member 3 by two fasteners positioned at the ends branches of the V shape. If necessary, these fasteners 32 would be more easily breakable.
  • the overmolding device 1 In the initial state, the overmolding device 1 is in the open position, and the drawer system 6 is in the advanced position.
  • a glazing 2 is positioned on the lower part of the mold 10.
  • the referencing member 31 the insert 3 is mounted in the housing 60 of the lower part 10 of the device 1.
  • This referencing member 31 therefore allows rapid and easy positioning of the insert 3 relative to the glazing 2 and to the lower part 10 of the mold 1, guaranteeing an indexing of the insert in the repository for overmolding.
  • a longitudinal portion of the insert 3 is affixed and glued in parallel, for example by means of an adhesive strip, on the upper face 21 of the glazing.
  • the upper part 11 of the device 1 is subsequently tilted in the closed position, as illustrated in FIG. 6.
  • the polymeric overmolding material 4 is injected at high pressure into the cavities 12 and 13, as illustrated in FIG. 7.
  • the immobilization of the member 31 referencing in the housing 60 allows secure maintenance of the insert 3, the result of the pressure stresses generated during the injection acting mainly along a vertical axis.
  • the drawer system 6 is tilted in the retracted position, by translation of a moving part.
  • the removal of the insert 3 can be carried out vertically, which makes it easier to eject the insert 3 after overmolding.
  • the device 1 is opened.
  • the molded assembly comprising the insert 3 and the glazing 2 molded can then be ejected from the mold 1.
  • This molded assembly thus obtained is distinguished already existing encapsulations in that the referencing member 31 remains visible after overmolding.
  • the drawer system 6 is then moved back to the advanced position, by translation of the part 60, with a view to repeating the overmolding process.
  • the invention also relates to the use of such an overmolded assembly as glazing for a motor vehicle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Wing Frames And Configurations (AREA)
  • Seal Device For Vehicle (AREA)
EP19813379.5A 2018-10-31 2019-10-23 Vorrichtung und verfahren zum überformen einer verglasung und einsatz sowie von dieser vorrichtung verwendeter einsatz und dieses verfahren Pending EP3873714A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1860068A FR3087697B1 (fr) 2018-10-31 2018-10-31 Dispositif et procede de surmoulage d'un vitrage et d'un insert, et insert utilise par lesdits dispositif et procede
PCT/FR2019/052525 WO2020089546A1 (fr) 2018-10-31 2019-10-23 Dispositif et procede de surmoulage d'un vitrage et d'un insert, et insert utilise par lesdits dispositif et procede

Publications (1)

Publication Number Publication Date
EP3873714A1 true EP3873714A1 (de) 2021-09-08

Family

ID=65444177

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19813379.5A Pending EP3873714A1 (de) 2018-10-31 2019-10-23 Vorrichtung und verfahren zum überformen einer verglasung und einsatz sowie von dieser vorrichtung verwendeter einsatz und dieses verfahren

Country Status (12)

Country Link
US (1) US20210394409A1 (de)
EP (1) EP3873714A1 (de)
JP (1) JP2022505370A (de)
KR (1) KR20210082479A (de)
CN (1) CN111386182A (de)
AR (1) AR116924A1 (de)
BR (1) BR112021007442A2 (de)
FR (1) FR3087697B1 (de)
MA (1) MA54082A (de)
MX (1) MX2021004561A (de)
PE (1) PE20211624A1 (de)
WO (1) WO2020089546A1 (de)

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JP2022505370A (ja) 2022-01-14
FR3087697A1 (fr) 2020-05-01
CN111386182A (zh) 2020-07-07
US20210394409A1 (en) 2021-12-23
MA54082A (fr) 2022-02-09
WO2020089546A1 (fr) 2020-05-07
KR20210082479A (ko) 2021-07-05
MX2021004561A (es) 2021-06-15
BR112021007442A2 (pt) 2021-07-27
AR116924A1 (es) 2021-06-30
FR3087697B1 (fr) 2020-11-06
PE20211624A1 (es) 2021-08-23

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