WO2007010914A1 - 金属製ガスケットの製造方法 - Google Patents
金属製ガスケットの製造方法 Download PDFInfo
- Publication number
- WO2007010914A1 WO2007010914A1 PCT/JP2006/314222 JP2006314222W WO2007010914A1 WO 2007010914 A1 WO2007010914 A1 WO 2007010914A1 JP 2006314222 W JP2006314222 W JP 2006314222W WO 2007010914 A1 WO2007010914 A1 WO 2007010914A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- inclined surface
- rubber material
- metal gasket
- solution
- rubber
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 20
- 229920001971 elastomer Polymers 0.000 claims abstract description 97
- 239000000463 material Substances 0.000 claims abstract description 56
- 239000002184 metal Substances 0.000 claims abstract description 56
- 239000011324 bead Substances 0.000 claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 238000001035 drying Methods 0.000 claims abstract description 12
- 238000007650 screen-printing Methods 0.000 claims abstract description 9
- 239000000839 emulsion Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000007639 printing Methods 0.000 description 12
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000007649 pad printing Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
- F16J15/0818—Flat gaskets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F11/00—Arrangements of sealings in combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
- F16J15/0818—Flat gaskets
- F16J2015/0856—Flat gaskets with a non-metallic coating or strip
-
- 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
- Y10T29/49229—Prime mover or fluid pump making
- Y10T29/49297—Seal or packing making
-
- 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 metal gasket sealing structure, and more particularly to a method for manufacturing a metal gasket in which a seal portion is provided on a metal gasket by silk screen printing.
- a seal portion 2 is provided along an opening edge portion or the like formed at an appropriate location of a thin metal plate 1.
- the seal portion 2 is formed, for example, in a loose and strong sectional crank shape as shown in FIG. 6 (A) (also referred to as a stepped shape or a half bead) or a mountain shape in a sectional shape as shown in FIG. 7 (A). It is also provided in the bead section (also called full bead).
- Patent Document 1 Japanese Patent Laid-Open No. 2002-228001
- the seal part 2 forms a thin rubber layer, and the thickness thereof is preferably uniform. For this reason, after a rubber layer is baked on the flat thin metal plate 1 in advance, a predetermined cylinder head gasket is obtained by bending a suitable portion of the flat thin metal plate 1 to form a bead portion. (Pre-coating method) When such a bending process is post-processing, the rubber thickness of the seal part 2 can be made substantially uniform, but the capital investment is enormous and after the metal gasket is manufactured It was difficult to recycle the remaining material, and the rubber layer was formed in addition to the sealing force 2 and the material cost increased.
- a seal part made of a rubber material having a low viscosity or a melt or solution is formed on the surface of the thin metal plate 1 after being formed into a cylinder head shape. 2 is applied in layers by adjusting the width several times by silk screen printing, pad printing, roll coater printing, etc. There is known a method in which a seal portion 2 having a desired cross-sectional shape is formed on the surface (after-coating method) (for example, see Patent Document 1).
- the rubber layer near the lower flat portion of the rubber portion 2 thinned by drying and hardening is flat. It becomes a rubber layer thicker than the part.
- an object of the present invention is to provide a method for manufacturing a metal gasket that can contribute to uniform thickness after curing of a rubber portion formed by a printing method. .
- the method for manufacturing a metal gasket according to claim 1 includes forming a slanted surface on a thin metal plate to form a three-dimensional shape and straddling the top and bottom sandwiching the slanted surface.
- the screen is formed on the surface of the bead portion formed across the inclined surface of the thin metal plate formed in a three-dimensional shape via the inclined surface.
- the solution rubber material that has flowed upward on the inclined surface is joined to the solution rubber material printed below the inclined surface.
- the metal gasket is manufactured by drying and curing.
- the method for forming a seal portion of a metal gasket according to the present invention is characterized in that the solid content concentration of the solution-like rubber material is 60 to 60% by weight and the viscosity (room temperature) force is 100 to 100000 cps.
- the method for forming a seal portion of a metal gasket according to the present invention is characterized in that a mask width for dividing the solution-like rubber material at the middle portion of the inclined surface is 0.2 to 2.0 mm.
- the metal gasket seal portion forming method of the present invention is characterized in that the printing width of the solution-like rubber material from the apex of the bead portion to the middle portion of the inclined surface is 0.1 to 4.0 mm.
- the printed film thickness of the solution rubber material is
- the method for forming a seal portion of a metal gasket according to the present invention is characterized in that the height difference between the inclined surfaces of the bead portion is 0.05 to 0.5 mm. It is preferable that the difference in height is such that the press bending force of the thin plate is easy.
- a method for forming a seal portion of a metal gasket according to the present invention is characterized in that it has a split portion force slit shape.
- the method for forming a seal portion of a metal gasket according to the present invention is characterized in that the dividing portion has a dimple shape (not limited to a circle, but also includes a shape such as a rectangle or a rectangle).
- a dimple shape not limited to a circle, but also includes a shape such as a rectangle or a rectangle.
- the seal portion that extends from the apex of the bead portion to the upper portion of the inclined surface and the seal portion that extends from the lower portion of the inclined surface to the lower flat portion are both of them.
- FIG. 1 shows an example of a cross-sectional crank-shaped seal part structure of a metal gasket of the present invention
- (A) is a cross-sectional view of the main part before curing a solution-like rubber material
- (B) is a solution-like rubber material It is sectional drawing of the principal part after hardening.
- FIG. 2 is an explanatory view showing the middle of the manufacturing process of the metal gasket of the present invention.
- FIG. 3 shows an example of a cross-sectional chevron-shaped seal structure of a metal gasket of the present invention
- (A) is a cross-sectional view of the main part before curing the liquid rubber material
- (B) is after the solution rubber material is cured. It is sectional drawing of the principal part.
- FIG. 4 is a cross-sectional view of the main part of the metal gasket according to the present invention before curing of the liquid rubber material in another example of the cross-sectional mountain-shaped seal part structure.
- FIG. 5 is a front view of a conventional metal gasket.
- FIG. 6 An example of the structure of a seal part of a conventional metal gasket, (A) is a cross-sectional view of the main part before the solution-like rubber material is cured, and (B) is a cross-section of the main part after the solution-like rubber material is cured.
- FIG. 6 An example of the structure of a seal part of a conventional metal gasket, (A) is a cross-sectional view of the main part before the solution-like rubber material is cured, and (B) is a cross-section of the main part after the solution-like rubber material is cured.
- FIG. 7 shows another example of the seal structure of a conventional metal gasket
- (A) is a cross-sectional view of the main part before the solution rubber material is cured
- (B) is the main part after the solution rubber material is cured. It is sectional drawing of a part.
- FIG. 8 (A) is a perspective view of a metal gasket, and (B) is a front view of the main part of the metal gasket.
- 1 is a thin metal plate
- 2 is a seal part (rubber part).
- this rubber part 2 is a solution-like rubber material printed (coated) in a mesh shape by silk screen printing using a screen plate 3, and is a thin metal before drying and curing. It is applied in a state of being interrupted in the middle of the inclined surface 1A of the plate 1 (a bead apex 2A straddling the upper part of the inclined surface 1A and a bead bottom 2B straddling the lower part of the inclined surface 1A).
- the applied solution rubber material forms a cut width corresponding to the emulsion width of the silk screen.
- a metal mask printing method can be used instead of the screen printing method.
- the print width sandwiching the apex of the bead apex 2A is 2 mm, and the print width of the bead base 2B is 1.4 mm.
- the dividing width (gap) of the solution rubber material between the bead apex 2A and the bead bottom 2B is 0.6 mm. This dividing width is preferably in the range of 0.4 to 0.8 mm. If the split width is 0.4mm or less, the joint 2C of rubber part 2 (see Fig. 1 (B)) at the joining part becomes inconspicuous, but the durability of the silk screen emulsion at the joint part is inferior.
- the dividing width depends on the size and shape of the rubber ink used and the rubber printing portion, so that it can be set to about 0.2 to 2 mm, preferably about 0.4 to 1.6 mm.
- the printed width of the bead apex 2A sandwiching the apex is 2mm
- the printed width of the bead bottom 2B is 4mm. is there.
- the dividing width (gap) of the solution-like rubber material between the bead apex 2A and the bead bottom 2B is 0.4 mm. That is, in the case of FIG. 1 (A) described above, the solution rubber material flows only in one direction, but in the case of FIG. 3 (A), the solution rubber material flows at the apex.
- the dividing width is shortened.
- the dividing width is preferably in the range of 0.3 to 0.6 mm.
- the dividing width generally depends on the size and shape of the rubber ink used and the rubber printing part, it is set in the range of 0.2 to 2.0 mm, preferably about 0.3 to 1.2 mm.
- the lower limit of this width is determined by the viewpoint of the durability of the emulsion and the uniformity of the film thickness at the tip of the bead.
- the thin metal plate 1 having a thickness of about 0.05 to 0.3 mm is formed after the SUS plate is punched into the gasket shape having the appearance described in the prior art.
- the seal portion 2 is formed into a three-dimensional shape by forming a bead portion in order to ensure the sealability of the seal side and the adhesive side (elasticity).
- the thin metal plate 1 after forming is coated with an adhesive on the surface after washing, dried and baked, and then printed with rubber ink (solution rubber material) on the surface of the necessary part by silk screen printing.
- rubber ink solution rubber material
- an adhesive-containing rubber ink can also be used.
- the rubber material for example, a general rubber material such as fluorine rubber or (hydrogenated) nitrile rubber is used.
- the solution rubber material contains a solvent such as an organic solvent, the solid content concentration is 5 to 60% by weight, preferably 10 to 40% by weight (30% by weight in the examples), and the viscosity (room temperature) is 100 to 100000 cps. Preferably, it is in the range of 1000 to 50000 cps (250 cps in the examples).
- the dividing width at which the solution-like rubber material is divided in the middle of the inclined surface 1A is 0.2 to 2.0 mm.
- the preferable range of the dividing width varies depending on half beads or full beads. In other words, it is set in the range of 0.4 to 1.6 mm for a half bead, 0.3 to 1.2 mm for a full bead, and particularly preferably 0.3 to 0.6 mm.
- the printing width of the bead apex 2A is 0.1 to 4.0 mm, preferably 0.2 to 2.0 mm.
- the printed film thickness of the solution rubber material is 10 to 500 ⁇ m, preferably 10 to 100 ⁇ m. Note that these are the height difference (for example, 0.05 to 0.5 mm, preferably 0.1 to 0.2 mm), the inclination angle, the film thickness setting after drying and curing, sandwiching the inclined surfaces of the bead apex 2A and the bead bottom 2B. Etc. are taken into consideration.
- the dividing portion has a slit shape, it may be a dimple shape that is not continuous.
- an adhesive-containing rubber link having a solid content concentration of 30% by weight and a viscosity (room temperature) of 250 cps was screen printed, and then the screen plate 3 was removed.
- the solution rubber material that had flown was merged with the solution rubber material printed below the inclined surface 1A, and then oven vulcanized at 200 ° C.
- the target flat part thickness was 25.
- the rubber part 2 having a thickness in the range of 20 to 30 ⁇ m was formed except for the connecting part.
- the number of parts divided by the screen plate 3 is one in the example of FIG. 1 (A) and two in the example of FIG. 3 (A). It is good also as many places (for example, four places shown in FIG. 4) more than a place.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Gasket Seals (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200680026454XA CN101228377B (zh) | 2005-07-21 | 2006-07-19 | 金属制垫片的制造方法 |
JP2007526023A JP4606462B2 (ja) | 2005-07-21 | 2006-07-19 | 金属製ガスケットの製造方法 |
EP06781229A EP1908999B1 (en) | 2005-07-21 | 2006-07-19 | Process for producing metallic gasket |
US11/989,144 US8117749B2 (en) | 2005-07-21 | 2006-07-19 | Process for producing metallic gasket |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005210829 | 2005-07-21 | ||
JP2005-210829 | 2005-07-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007010914A1 true WO2007010914A1 (ja) | 2007-01-25 |
Family
ID=37668791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/314222 WO2007010914A1 (ja) | 2005-07-21 | 2006-07-19 | 金属製ガスケットの製造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8117749B2 (ja) |
EP (1) | EP1908999B1 (ja) |
JP (1) | JP4606462B2 (ja) |
KR (1) | KR100943472B1 (ja) |
CN (1) | CN101228377B (ja) |
WO (1) | WO2007010914A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011185758A (ja) * | 2010-03-09 | 2011-09-22 | Yokogawa Electric Corp | 圧力測定器 |
JP2015197170A (ja) * | 2014-04-01 | 2015-11-09 | 日本ガスケット株式会社 | シリンダヘッドガスケットとその製造方法 |
JP2020186809A (ja) * | 2019-05-17 | 2020-11-19 | Nok株式会社 | ガスケットの製造方法 |
JP2021125286A (ja) * | 2020-01-31 | 2021-08-30 | Nok株式会社 | ガスケットの製造方法 |
US11855315B2 (en) | 2020-03-06 | 2023-12-26 | Nok Corporation | Separator-integrated gasket |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102000945A (zh) * | 2010-09-26 | 2011-04-06 | 杭州内燃机缸垫有限公司 | 多品种中小批量生产金属气缸垫的涂层金属板的加工工艺 |
DE102013002753B3 (de) * | 2013-02-19 | 2014-06-05 | Fachhochschule Münster | Verfahren zur Herstellung eines Dichtungselementes |
WO2015141587A1 (ja) * | 2014-03-18 | 2015-09-24 | Nok株式会社 | メタルガスケット |
CN107725780B (zh) * | 2017-11-09 | 2024-04-16 | 昆明纳太科技有限公司 | 压差密封结构及压差密封方法 |
US11108027B2 (en) | 2018-01-11 | 2021-08-31 | Universal Display Corporation | Printed metal gasket |
US20200124177A1 (en) * | 2018-10-22 | 2020-04-23 | Harry Arnon | Method of coating a shaft seal for use with rotating parts |
DE202018106921U1 (de) * | 2018-12-05 | 2020-03-06 | Reinz-Dichtungs-Gmbh | Flachdichtungen und deren Verwendung |
CN109441937B (zh) * | 2018-12-14 | 2024-12-24 | 成都天府垫片科技有限公司 | 一种具有截面密封的纤维垫片及其制作方法 |
WO2021215114A1 (ja) * | 2020-04-20 | 2021-10-28 | Nok株式会社 | ガスケットの製造方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0483976A (ja) * | 1990-07-26 | 1992-03-17 | Taiho Kogyo Co Ltd | ガスケット |
JP2002054745A (ja) * | 2000-08-07 | 2002-02-20 | Ishikawa Gasket Co Ltd | ヘッドガスケット |
JP2002228001A (ja) * | 2001-02-05 | 2002-08-14 | Uchiyama Mfg Corp | ガスケットの製造方法 |
JP2003056706A (ja) * | 2001-08-16 | 2003-02-26 | Nissan Motor Co Ltd | ガスケット |
JP2003130225A (ja) * | 2001-10-23 | 2003-05-08 | Ishikawa Gasket Co Ltd | メタルガスケット |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3225691A (en) * | 1961-03-10 | 1965-12-28 | Continental Can Co | Printing plate for gasket type closures |
US4659410A (en) * | 1985-04-01 | 1987-04-21 | Felt Products Mfg. Co. | Method of making a silk-screened gasket of enhanced sealing characteristics |
US5951021A (en) * | 1994-11-22 | 1999-09-14 | Japan Metal Gasket Co., Ltd. | Metallic gasket |
JP2002054740A (ja) * | 2000-08-07 | 2002-02-20 | Ishikawa Gasket Co Ltd | 多気筒用のヘッドガスケット |
JP2003028300A (ja) * | 2001-07-13 | 2003-01-29 | Ishikawa Gasket Co Ltd | シリンダヘッドガスケット |
JP2003130224A (ja) * | 2001-10-23 | 2003-05-08 | Ishikawa Gasket Co Ltd | メタルガスケット |
JP3547417B2 (ja) * | 2001-10-23 | 2004-07-28 | 石川ガスケット株式会社 | メタルガスケット |
US7025358B2 (en) * | 2002-04-04 | 2006-04-11 | Japan Metal Gasket Co., Ltd. | Metallic gasket |
-
2006
- 2006-07-19 CN CN200680026454XA patent/CN101228377B/zh not_active Expired - Fee Related
- 2006-07-19 JP JP2007526023A patent/JP4606462B2/ja not_active Expired - Fee Related
- 2006-07-19 KR KR1020077030788A patent/KR100943472B1/ko not_active Expired - Fee Related
- 2006-07-19 US US11/989,144 patent/US8117749B2/en not_active Expired - Fee Related
- 2006-07-19 EP EP06781229A patent/EP1908999B1/en not_active Ceased
- 2006-07-19 WO PCT/JP2006/314222 patent/WO2007010914A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0483976A (ja) * | 1990-07-26 | 1992-03-17 | Taiho Kogyo Co Ltd | ガスケット |
JP2002054745A (ja) * | 2000-08-07 | 2002-02-20 | Ishikawa Gasket Co Ltd | ヘッドガスケット |
JP2002228001A (ja) * | 2001-02-05 | 2002-08-14 | Uchiyama Mfg Corp | ガスケットの製造方法 |
JP2003056706A (ja) * | 2001-08-16 | 2003-02-26 | Nissan Motor Co Ltd | ガスケット |
JP2003130225A (ja) * | 2001-10-23 | 2003-05-08 | Ishikawa Gasket Co Ltd | メタルガスケット |
Non-Patent Citations (1)
Title |
---|
See also references of EP1908999A4 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011185758A (ja) * | 2010-03-09 | 2011-09-22 | Yokogawa Electric Corp | 圧力測定器 |
JP2015197170A (ja) * | 2014-04-01 | 2015-11-09 | 日本ガスケット株式会社 | シリンダヘッドガスケットとその製造方法 |
JP2020186809A (ja) * | 2019-05-17 | 2020-11-19 | Nok株式会社 | ガスケットの製造方法 |
JP2021125286A (ja) * | 2020-01-31 | 2021-08-30 | Nok株式会社 | ガスケットの製造方法 |
JP7334128B2 (ja) | 2020-01-31 | 2023-08-28 | Nok株式会社 | ガスケットの製造方法 |
US11855315B2 (en) | 2020-03-06 | 2023-12-26 | Nok Corporation | Separator-integrated gasket |
Also Published As
Publication number | Publication date |
---|---|
CN101228377B (zh) | 2011-03-09 |
US20090229106A1 (en) | 2009-09-17 |
JPWO2007010914A1 (ja) | 2009-01-29 |
EP1908999A1 (en) | 2008-04-09 |
KR20080036961A (ko) | 2008-04-29 |
EP1908999B1 (en) | 2013-03-13 |
CN101228377A (zh) | 2008-07-23 |
KR100943472B1 (ko) | 2010-02-19 |
US8117749B2 (en) | 2012-02-21 |
JP4606462B2 (ja) | 2011-01-05 |
EP1908999A4 (en) | 2012-03-28 |
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