EP1272324A1 - Dispositif de fixation pour des pieces d'attache situees sur des elements plats, notamment sur des plaques de verre - Google Patents

Dispositif de fixation pour des pieces d'attache situees sur des elements plats, notamment sur des plaques de verre

Info

Publication number
EP1272324A1
EP1272324A1 EP01940277A EP01940277A EP1272324A1 EP 1272324 A1 EP1272324 A1 EP 1272324A1 EP 01940277 A EP01940277 A EP 01940277A EP 01940277 A EP01940277 A EP 01940277A EP 1272324 A1 EP1272324 A1 EP 1272324A1
Authority
EP
European Patent Office
Prior art keywords
fixing device
fixing
glass panels
tool
glass
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.)
Withdrawn
Application number
EP01940277A
Other languages
German (de)
English (en)
Inventor
Cord Hagenmeyer
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.)
BBG GmbH and Co KG
Original Assignee
BBG Braunsberger GmbH and Co KG
BBG GmbH and Co KG
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 BBG Braunsberger GmbH and Co KG, BBG GmbH and Co KG filed Critical BBG Braunsberger GmbH and Co KG
Publication of EP1272324A1 publication Critical patent/EP1272324A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/12—Moulds or cores; Details thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels
    • B29C33/14—Moulds or cores; Details thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels against the mould wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection 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
    • B29C45/14065—Positioning or centering articles in the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection 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
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • B29C45/14377—Coating a portion of the article, e.g. the edge of the article using an additional insert, e.g. a fastening element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection 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
    • B29C45/14065—Positioning or centering articles in the mould
    • B29C2045/14163—Positioning or centering articles in the mould using springs being part of the positioning means

Definitions

  • Fixing device for mounting parts on flat components, especially glass panels
  • the invention relates to a fixing device for mounting parts on flat components, in particular glass panels, which can be sprayed / foam-coated u at least on the side edges and have at least one mounting part.
  • Such components in the form of glass panels for sunroofs, rear, front or side windows or similar components are increasingly being used in motor vehicles.
  • the glass panel within the roof or window opening is chosen as large as possible so that the plastic frame surrounding the glass panel made of a thermoplastic or polyurethane display should be as narrow as possible.
  • This plastic frame of the glass sliding roof also serves to anchor holding parts, for example sheet metal tabs, to which articulation points or drive mechanisms for opening the glass sliding roof are articulated, in particular if the glass sliding roof is also used as a lifting or pop-up roof or as a rear, front or side window Fasteners are used.
  • a circumferential groove is also generally provided on the plastic frame.
  • this training requires a very precise foam or extrusion molding tool, because the distance between the groove base and the glass sheet outline on the four circumferential side edges of the glass sliding roof can only be a few millimeters because of the narrow design of the frame, so that it is very precise during manufacture Positioning of the component and the holder parts within the tool is required.
  • the fixing device required for production should also not prevent the foam from running out of the plastic during the overmolding or re-foaming process disturb so that the contact surfaces do not have to be oversized.
  • the mounting parts or sheets are supported on an elastic seal, the contact pressure for deforming the seal when inserting the sheets is often higher than the holding force of the magnets, so that the sheets are then not held securely.
  • Vacuum cups are also known for non-magnetic materials. The vacuum is controlled via controllable valves. The effort required for this is relatively high. Likewise, the use of vacuum suction devices is not always possible for reasons of space.
  • the object of the invention is to create a simply constructed fixing device for mounting parts on flat components, in particular for mounting parts on a glass sheet, which avoids the above disadvantages, in particular reduces tool costs and offers high positioning accuracy.
  • the holding parts can be positioned exactly with respect to the glass sheet and held in this position in an exactly aligned manner.
  • the fixing device is essentially integrated into the foaming tool and is of a very simple construction.
  • the fixing element “snaps into place”, a “snap or clacking sound” is generated, which gives the worker an acoustic feedback about the correct insertion and positioning.
  • the exact positioning of the holder parts ensures an even foam run and a complete wetting of the glass panel at the edges.
  • the strength between the glass sheet and the plastic frame is increased in a reproducible form, so that the quality of the finished component increases overall.
  • the effort for post-processing is considerably reduced and, in particular, an exact relative assignment is achieved, so that in a preferred application example of a glass sunroof a uniform sealing system and thus overall better sealing of the roof opening is achieved. Further advantageous refinements are the subject of the subclaims.
  • Fig. 1 is an overview of a sunroof for
  • FIG. 2 shows the glass sliding roof according to FIG. 1 during manufacture in the foaming tool
  • FIG. 3 shows a schematic illustration of a fixing device for the holding part
  • Fig. 4 shows a cross section through the holding part of FIG. 3 in partial plan view.
  • a glass sunroof 1 is shown as an application example for installation in a roof opening 2 of a motor vehicle.
  • the glass sliding roof 1 essentially comprises a glass sheet (here as a representative example of a flat component 3), which is surrounded on the outer edge or the side edges by a plastic frame 4, preferably made of PU foam.
  • This frame 4 is overmolded or foamed in a foaming tool (see FIG. 2) on the outer edge of the glass sheet 3.
  • a plurality of mounting parts 5 preferably here protruding downward protruding angle plates with recesses 5a, so that by inserting screws, bolts and the like, not shown.
  • a circumferential, preferably T-shaped groove 6 for inserting a seal 7 is provided on the outward-facing side edges of the plastic frame 4 in the plane of the glass panel 3.
  • the corresponding foaming tool 10 consisting of an upper tool part 11 and a lower tool part 12 is shown schematically.
  • the foaming tool 10 can also be rotated through 180 ° (“overhead”), so that the glass sheet 3 would then be positioned concavely (cf. FIG. 3).
  • the mold cavity on the outer circumference of the glass sheet 3 for forming the frame 4 is shown here in a dotted manner and is shaped in a streamlined manner, so that a secure mold filling is achieved. This is particularly important since the glass panel 3 and the mounting parts 5 are only fastened to the frame 4 through the contact surface in this exemplary embodiment.
  • the mold cavity shown here dotted to form the frame 4 and encapsulation / encapsulation is inexpensive to seal, preferably with a self-separating seal 13 which reliably prevents the plastic foam entering via one or, preferably, a plurality of injection openings 14 from reaching the top of the glass sheet 3 prevented. Through this seal 13, the top of the glass sheet 3 at Foaming process kept clean so that practically no rework is required.
  • a secure seal to ejectors 15 provided further inside is also possible, thus ensuring a secure filling of the mold cavity (for the frame 4) with encapsulation of the holder parts 5 on the contact surface.
  • the upper tool part 11 with the seal 13 extends substantially continuously outwards, so that different types of lower tool parts 12 can be used with a constant upper tool part 11. This makes it possible, for example, to manufacture different variants of the glass sliding roofs 1 with differently positioned mounting parts 5 on a production system with the same stamp-like upper tool part 11. In addition, it is sufficient to remove the finished sliding glass roof with the frame 4 by simply lifting the upper tool part 11 or lowering the lower tool part 12, so that the cycle time is thereby considerably reduced.
  • the fixing device 16 is shown with a roller as a fixing element 17 which is acted upon by a spring 18 and is used overall in a lateral gradation 10 'of the upper tool part 11.
  • the compression spring 18 with a displaceable guide pin as an anti-rotation device 19 is essentially aligned in the plane of the flat component 3.
  • the roller 17 lies against the edges of the holding part 5 or engages in its recess 5a in a precisely fitting manner, which results in automatic centering and positional alignment due to the spring action.
  • This is associated with a "snap or clacking sound" since the roller 17 strikes the inside of the gradation 10 '(cf. also FIG. 4).
  • the preferred role as a fixing element 17 avoids when r ⁇ • «. oo

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Seal Device For Vehicle (AREA)
  • Connection Of Plates (AREA)
  • Clamps And Clips (AREA)

Abstract

L'invention vise à créer un dispositif de fixation de forme de construction simple pour des pièces d'attache (5) permettant une grande précision de positionnement sur des éléments plats (3), notamment des plaques de verre qui peuvent être entourées, au moins au niveau des arêtes latérales, d'un cadre en plastique (4) obtenu par injection ou par moussage et présentent au moins une pièce d'attache (5). A cet effet, le dispositif de fixation (16) selon l'invention est sollicité par au moins un ressort (18) et est placé avec application de force et en prise dans la pièce d'attache.
EP01940277A 2000-04-01 2001-04-02 Dispositif de fixation pour des pieces d'attache situees sur des elements plats, notamment sur des plaques de verre Withdrawn EP1272324A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20005946U 2000-04-01
DE20005946U DE20005946U1 (de) 2000-04-01 2000-04-01 Fixiereinrichtung für Halterungsteile an flachen Bauteilen, insbesondere Glastafeln
PCT/EP2001/003724 WO2001074561A1 (fr) 2000-04-01 2001-04-02 Dispositif de fixation pour des pieces d'attache situees sur des elements plats, notamment sur des plaques de verre

Publications (1)

Publication Number Publication Date
EP1272324A1 true EP1272324A1 (fr) 2003-01-08

Family

ID=7939614

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01940277A Withdrawn EP1272324A1 (fr) 2000-04-01 2001-04-02 Dispositif de fixation pour des pieces d'attache situees sur des elements plats, notamment sur des plaques de verre

Country Status (4)

Country Link
EP (1) EP1272324A1 (fr)
AU (1) AU2001273911A1 (fr)
DE (1) DE20005946U1 (fr)
WO (1) WO2001074561A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20005946U1 (de) * 2000-04-01 2001-05-10 BBG Braunsberger GmbH & Co. KG, 87719 Mindelheim Fixiereinrichtung für Halterungsteile an flachen Bauteilen, insbesondere Glastafeln
DE102018102947A1 (de) * 2018-02-09 2019-08-14 Bbg Gmbh & Co. Kg Vorrichtung zum Umspritzen oder Umschäumen deckelförmiger Bauteile

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1529824A1 (de) * 1966-10-03 1970-04-09 Boegelsbacher Kg R Vorrichtung zum Umspritzen von Flachkoerpern,vorzugsweise Kondensatorenwickel
DE3742881C2 (de) * 1986-12-19 1995-01-05 Central Glass Co Ltd Fensteranordnung und Verfahren zu deren Herstellung
ES2082759T3 (es) * 1988-08-09 1996-04-01 Asahi Glass Co Ltd Metodo de preparacion de cristal de ventana con una junta de obturacion y un molde de configuracion para preparar dicho cristal de ventana.
DD301476A7 (de) * 1989-06-08 1993-02-11 Norkun Gmbh Zentriervorrichtung für Einlegeteile in Spritzgießwerkzeugen
JP3063288B2 (ja) * 1991-09-30 2000-07-12 日産自動車株式会社 ウインドパネル部材の成形方法
DE29703561U1 (de) * 1997-02-27 1997-06-05 Fa. Oskar Braunsberger, 87719 Mindelheim Glasverbundelement, insbesondere Glasschiebedach für Kraftfahrzeuge
US6120274A (en) * 1997-11-26 2000-09-19 Donnelly Corporation Mold assembly for molding a remotely located attachment member on a sheet of material
DE20005946U1 (de) * 2000-04-01 2001-05-10 BBG Braunsberger GmbH & Co. KG, 87719 Mindelheim Fixiereinrichtung für Halterungsteile an flachen Bauteilen, insbesondere Glastafeln

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0174561A1 *

Also Published As

Publication number Publication date
WO2001074561A1 (fr) 2001-10-11
AU2001273911A1 (en) 2001-10-15
DE20005946U1 (de) 2001-05-10

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