EP1637249A1 - Verfahren zur Herstellung eines Metallblechs mit zumindest einer integrierten Zone mit Überdicke für eine Metalldichtung, insbesondere eine Zylinderkopfdichtung, sowie dadurch hergestelltes Metallblech - Google Patents

Verfahren zur Herstellung eines Metallblechs mit zumindest einer integrierten Zone mit Überdicke für eine Metalldichtung, insbesondere eine Zylinderkopfdichtung, sowie dadurch hergestelltes Metallblech Download PDF

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Publication number
EP1637249A1
EP1637249A1 EP05019601A EP05019601A EP1637249A1 EP 1637249 A1 EP1637249 A1 EP 1637249A1 EP 05019601 A EP05019601 A EP 05019601A EP 05019601 A EP05019601 A EP 05019601A EP 1637249 A1 EP1637249 A1 EP 1637249A1
Authority
EP
European Patent Office
Prior art keywords
shell
zone
sheet
metal
manufacturing
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
EP05019601A
Other languages
English (en)
French (fr)
Other versions
EP1637249B1 (de
Inventor
Jean-Pascal Burg
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.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg 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 Carl Freudenberg KG filed Critical Carl Freudenberg KG
Publication of EP1637249A1 publication Critical patent/EP1637249A1/de
Application granted granted Critical
Publication of EP1637249B1 publication Critical patent/EP1637249B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
    • 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/10—Incompletely punching in such a manner that the parts are still coherent with the work
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49915—Overedge assembling of seated part
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material

Definitions

  • the present invention relates to a method of manufacturing a metal foil with at least one zone of integrated allowance for a tight metal seal such as a cylinder head gasket.
  • the invention also covers the joint including at least one metal sheet thus obtained provided with at least one zone of extra thickness allowing the realization of a seal.
  • stops are known to make stops. These stops, judiciously arranged ensure a recovery efforts in certain zones separate clamping points, homogenizing the mapping of the sealing pressures.
  • Another constraint is the obtaining on the same sheet or the same sheet of abutments of different thicknesses depending on the zones in order to perform a map of pressures and not only distribution points. In this case, it is noted that it is more of surface abutments and fact is used for the rest of the description the term zone of extra thickness.
  • Another object of the invention is to be able to obtain, after clamping, the desired pressure mapping and thus to provide areas of extra thickness appropriately distributed to obtain this mapping.
  • FIG 1 there is shown a sheet 10 of a single-leaf seal or one of the active sheets in the case of a multi-leaf seal.
  • sheet is used for the remainder of the description to designate indifferently a metal sheet of a single-leaf seal or one of the sheets in the case of a multi-sheet joint, in particular the intermediate sheet, generally made of more malleable mild steel. .
  • This sheet has for application to a cylinder head gasket for example a thickness of 0.10 to 1.0 millimeter.
  • cylinder head gasket is cited as an example but the applications can extend to joints for exhaust lines, collector seals or more generally to peripheral seals.
  • This sheet 10 generally comprises central cutouts 12 corresponding to the cylinders and holes 14 and 16, respectively of water and oil passages.
  • passages 18 of the clamping screws of the two parts in this case for a cylinder head gasket, the engine block and the cylinder head.
  • the method according to the present invention consists in producing at least one cutout 20 in the sheet 10, to obtain a flake 22, said cutout being partial to allow folding of said shell obtained, along the uncut line.
  • the shell 22 cut and folded is shown in Figure 2A. It has a length L. It is in profile conjugated with that of the cut.
  • the second step of producing the thickening zone according to the invention consists in causing the extension of said shell 22, for example by stamping. This elongation ⁇ L remains limited and it is preferably exerted at the free end of said shell.
  • the third step consists of a flattening and a simultaneous calibration of the projecting height of said shell 22 to obtain a zone 24 of increased oversize height. This calibration is obtained by pressing said shell so that it tends to resume its place in the cut from which it originated.
  • the cuttings and the scales resulting from it have dimensions of the order of 0.5 to 5 millimeters for the largest of these dimensions.
  • the calibration and planarization tools may have non-planar profiles so as to cause different calibrations and to confer different heights h to the areas of extra thickness. These variations of height make it possible to generate a surface cartography and no more by points.
  • the pressure distribution is very progressive and almost continuous over the entire surface without generating stress points.
  • the density of the zones of extra thickness, their dimensions, their height, their location on the surface allow very fine adjustments of the distribution.
  • the shapes of the cutouts and thus the scales which are derived therefrom are curvilinear, long, short, oblong, rectangular, triangular or circular.
  • the profiles can be different.
  • each metal sheet can undergo the various steps of the process continuously on the same line.
  • the joint thus obtained equipped with at least one sheet with at least one zone of extra thickness obtained according to the method of the invention remains simple and perfectly reproducible once the adapted tools have been made since there is no other external intervention likely to vary the different parameters.
  • Such a method is more particularly applicable in the case of single sheet metal head gaskets and for the intermediate sheet of a multi-sheet joint.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gasket Seals (AREA)
  • Ceramic Products (AREA)
  • Laminated Bodies (AREA)
EP05019601A 2004-09-21 2005-09-09 Verfahren zur Herstellung eines Metallblechs mit zumindest einer integrierten Zone mit Überdicke für eine Metalldichtung, insbesondere eine Zylinderkopfdichtung, sowie dadurch hergestelltes Metallblech Active EP1637249B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0452117A FR2875423B1 (fr) 2004-09-21 2004-09-21 Procede de fabrication d'une feuille metallique avec au moins une zone de surepaisseur integree pour joint metallique serre, notamment un joint de culasse et feuille obtenue

Publications (2)

Publication Number Publication Date
EP1637249A1 true EP1637249A1 (de) 2006-03-22
EP1637249B1 EP1637249B1 (de) 2006-12-13

Family

ID=34949174

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05019601A Active EP1637249B1 (de) 2004-09-21 2005-09-09 Verfahren zur Herstellung eines Metallblechs mit zumindest einer integrierten Zone mit Überdicke für eine Metalldichtung, insbesondere eine Zylinderkopfdichtung, sowie dadurch hergestelltes Metallblech

Country Status (8)

Country Link
US (1) US7377521B2 (de)
EP (1) EP1637249B1 (de)
JP (1) JP4227609B2 (de)
AT (1) ATE347946T1 (de)
CA (1) CA2520075A1 (de)
DE (1) DE602005000332T2 (de)
FR (1) FR2875423B1 (de)
MX (1) MXPA05009997A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008006676A1 (de) * 2008-01-30 2009-08-06 Federal-Mogul Sealing Systems Gmbh Flachdichtung
CN102171786A (zh) * 2008-10-03 2011-08-31 应用材料公司 Lavacoat型的预清洁与预热
CN102530633A (zh) * 2011-12-27 2012-07-04 张冬华 光伏组件母带裁切折弯机
CN109849107B (zh) * 2019-02-26 2023-05-23 新天力科技股份有限公司 一种杯盖卡齿的冲切模具

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE392990A (de) *
US5348311A (en) * 1991-02-19 1994-09-20 Ishikawa Gasket Co., Ltd. Metal laminate gasket with fixing devices
GB2301636A (en) * 1995-06-02 1996-12-11 Coopers Payen Limited Manufacture of gaskets
JP2004019739A (ja) * 2002-06-14 2004-01-22 Nok Corp 金属ガスケットおよびその結合方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1771596A (en) * 1927-09-16 1930-07-29 Victor Mfg & Gasket Co Gasket
US3738558A (en) * 1970-09-02 1973-06-12 Felt Products Mfg Co Thin laminated gasket
JPH083752Y2 (ja) * 1992-06-26 1996-01-31 石川ガスケット株式会社 金属積層形ガスケット
DE19637356C1 (de) * 1996-09-13 1998-01-22 Payen Goetze Gmbh Metallische Flachdichtung
DE10213900B4 (de) * 2002-03-28 2006-04-06 Elringklinger Ag Zylinderkopfdichtung
DE10237555A1 (de) * 2002-08-16 2004-03-04 Elringklinger Ag Mehrlagige Dichtung und Verfahren zum Verbinden der Lagen einer mehrlagigen Dichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE392990A (de) *
US5348311A (en) * 1991-02-19 1994-09-20 Ishikawa Gasket Co., Ltd. Metal laminate gasket with fixing devices
GB2301636A (en) * 1995-06-02 1996-12-11 Coopers Payen Limited Manufacture of gaskets
JP2004019739A (ja) * 2002-06-14 2004-01-22 Nok Corp 金属ガスケットおよびその結合方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2003, no. 12 5 December 2003 (2003-12-05) *

Also Published As

Publication number Publication date
US7377521B2 (en) 2008-05-27
DE602005000332T2 (de) 2007-06-21
DE602005000332D1 (de) 2007-01-25
ATE347946T1 (de) 2007-01-15
JP2006090547A (ja) 2006-04-06
EP1637249B1 (de) 2006-12-13
FR2875423B1 (fr) 2008-02-22
JP4227609B2 (ja) 2009-02-18
US20060207081A1 (en) 2006-09-21
CA2520075A1 (fr) 2006-03-21
FR2875423A1 (fr) 2006-03-24
MXPA05009997A (es) 2006-03-27

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