JPH0791547A - Metal gasket - Google Patents
Metal gasketInfo
- Publication number
- JPH0791547A JPH0791547A JP25774893A JP25774893A JPH0791547A JP H0791547 A JPH0791547 A JP H0791547A JP 25774893 A JP25774893 A JP 25774893A JP 25774893 A JP25774893 A JP 25774893A JP H0791547 A JPH0791547 A JP H0791547A
- Authority
- JP
- Japan
- Prior art keywords
- bead
- substrate
- seal member
- elastic seal
- deformation
- 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
Links
Landscapes
- Gasket Seals (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はメタルガスケットに関
し、特に金属製の基板に圧力流体が通過する流体孔を穿
設し、その周縁部にビードを突出形成するメタルガスケ
ットに係る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metal gasket, and more particularly to a metal gasket in which a metal substrate is provided with a fluid hole through which a pressure fluid passes, and a bead is formed at a peripheral portion of the hole.
【０００２】[0002]
【従来の技術】内燃機関のシリンダヘッドとシリンダブ
ロックとの間にはシリンダヘッドガスケットが介装され
ているが、この種のガスケットに関し、近時は金属製の
板材から成る金属ガスケットが注目されている。例え
ば、金属製の基板に燃焼室孔を穿設し、この燃焼室孔の
周囲にビードを形成して高い面圧を確保し得るようにし
たものが知られている。これに関し、特開平３−１３４
３７６号公報には、内側ビードと外側ビードとの間にゴ
ム等から成るシール材を設けたガスケットが開示されて
いる。2. Description of the Related Art A cylinder head gasket is interposed between a cylinder head and a cylinder block of an internal combustion engine. With regard to this type of gasket, recently, a metal gasket made of a metal plate material has attracted attention. There is. For example, it is known that a combustion chamber hole is formed in a metal substrate and a bead is formed around the combustion chamber hole so that a high surface pressure can be secured. In this regard, JP-A-3-134
Japanese Patent No. 376 discloses a gasket in which a sealing material made of rubber or the like is provided between an inner bead and an outer bead.
【０００３】[0003]
【発明が解決しようとする課題】上記特開平３−１３４
３７６号公報に記載のガスケットにおいては、シール材
がビード間の曲面部分に設けられているが、シール材を
基板に固着していないと、ガスケットを押圧したとき、
ビードが変形しシール材の位置が変わる場合があり、ま
たシール材を基板に固着すると、やはり押圧した際に接
着面が曲面のためシール材の接着強度が十分得られず、
従ってシール材の位置が決まらず、シール性が安定しな
いという問題があった。DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention
In the gasket described in Japanese Patent No. 376, the sealing material is provided on the curved surface portion between the beads, but if the sealing material is not fixed to the substrate, when the gasket is pressed,
The bead may be deformed and the position of the sealing material may change, and when the sealing material is fixed to the substrate, the adhesive surface of the sealing material is curved when pressed and the adhesive strength of the sealing material cannot be sufficiently obtained.
Therefore, there is a problem that the position of the sealing material is not determined and the sealing property is not stable.
【０００４】そこで、本発明は金属製の基板に圧力流体
が通過する流体孔を穿設し、その周囲にビードを突出形
成するメタルガスケットにおいて、弾性シール部材によ
ってビードの変形を規制すると共に、流体孔の全周に亘
り安定したシール性を確保し得るようにすることを目的
とする。Therefore, according to the present invention, in a metal gasket in which a fluid hole through which a pressure fluid passes is formed in a metal substrate and a bead is formed to project around the fluid hole, deformation of the bead is regulated by an elastic seal member and the fluid is controlled. The purpose is to ensure a stable sealing property over the entire circumference of the hole.
【０００５】[0005]
【課題を解決するための手段】上記の目的を達成するた
め、本発明のメタルガスケットは、金属製の基板に圧力
流体が通過する流体孔を穿設し、該流体孔の周縁部にビ
ードを突出形成すると共に、該ビードの内周側の前記基
板を前記ビードの突出側に折曲して折曲部を形成し、該
折曲部と前記ビードの頂部との間に形成した底面が平坦
な凹部に、前記ビードの変形を規制する弾性シール部材
を配設することとしたものである。In order to achieve the above object, the metal gasket of the present invention has a metal base plate provided with a fluid hole through which a pressure fluid passes, and a bead is provided at a peripheral portion of the fluid hole. In addition to forming a protrusion, the substrate on the inner peripheral side of the bead is bent to the protrusion side of the bead to form a bent portion, and the bottom surface formed between the bent portion and the top of the bead is flat. An elastic seal member for restricting the deformation of the bead is arranged in the concave portion.
【０００６】また、本発明は、金属製の基板に圧力流体
が通過する流体孔を穿設し、該流体孔の周縁部にビード
を突出形成した第１の基板及び第２の基板を有し、少く
とも第１の基板の前記ビードの内周側の前記基板を前記
ビードの突出側に折曲して折曲部を形成し、前記第１及
び第２の基板を各々のビードの頂部が対向するように接
合し、前記第１の基板の前記折曲部と前記ビードの頂部
との間に形成した底面が平坦な凹部に前記ビードの変形
を規制する弾性シール部材を配設することとし、積層型
のメタルガスケットを構成してもよい。Further, according to the present invention, there are provided a first substrate and a second substrate in which a metal substrate is provided with a fluid hole through which a pressure fluid passes, and a bead is formed at a peripheral portion of the fluid hole. , At least the inner peripheral side of the bead of the first substrate is bent toward the protruding side of the bead to form a bent portion, and the first and second substrates are formed so that the top of each bead is An elastic seal member that restricts the deformation of the bead is provided in a recess having a flat bottom face formed between the bent part of the first substrate and the top part of the bead so as to be opposed to each other. Alternatively, a laminated metal gasket may be configured.
【０００７】[0007]
【作用】上記の構成になるメタルガスケットを接合部材
間に介装し、所定の締付力を以って締結すると、基板の
ビードが圧縮されて変形し、そのビードの弾性復元力に
より接合面に対する所定の面圧が確保される。このと
き、弾性シール部材もビードと共に圧縮されて変形する
が、所定のビード変形量で弾性シール部材の圧縮変形が
停止し、その弾性力を以てビードの変形が規制される。
そして、弾性シール部材はビード間の凹部底面の平坦部
に固着されているので、ガスケットの押圧時にも基板の
変形に影響されることなく弾性シール部材が所定位置に
保持されるため安定したシール性が得られる。When the metal gasket having the above-mentioned structure is interposed between the joining members and is fastened with a predetermined tightening force, the bead of the substrate is compressed and deformed, and the elastic restoring force of the bead causes the joining surface. A predetermined surface pressure for is secured. At this time, the elastic seal member is also compressed and deformed together with the bead, but the compressive deformation of the elastic seal member is stopped at a predetermined bead deformation amount, and the elastic force restricts the deformation of the bead.
Further, since the elastic seal member is fixed to the flat part of the bottom surface of the recess between the beads, the elastic seal member is held at a predetermined position without being affected by the deformation of the substrate even when the gasket is pressed, so that the stable sealing property can be obtained. Is obtained.
【０００８】また、弾性シール部材を所定位置に配設し
第１及び第２の基板を接合したメタルガスケットにおい
ては、第１及び第２の基板の各々のビードが圧縮されて
変形し、これらの圧縮変形されたビードの弾性復元力に
より接合面に対する所定の面圧が確保される。この場合
において、第１及び第２の基板のビードは弾性シール部
材の圧縮変形後の高さまで変形するが、この後の変形が
規制されるので各ビードの耐疲労性が確保される。そし
て、弾性シール部材はビード間の凹部底面の平坦部に固
着されているので、ガスケットの押圧時にも基板の変形
に影響されることなく弾性シール部材が所定位置に保持
されるため安定したシール性が得られる。Further, in the metal gasket in which the elastic seal member is arranged at a predetermined position and the first and second substrates are joined, each bead of the first and second substrates is compressed and deformed. Due to the elastic restoring force of the bead that is compressed and deformed, a predetermined surface pressure on the joint surface is secured. In this case, the beads of the first and second substrates are deformed up to the height after the elastic deformation of the elastic seal member, but the deformation after this is restricted, so that the fatigue resistance of each bead is secured. Further, since the elastic seal member is fixed to the flat part of the bottom surface of the recess between the beads, the elastic seal member is held at a predetermined position without being affected by the deformation of the substrate even when the gasket is pressed, so that the stable sealing property can be obtained. Is obtained.
【０００９】[0009]
【実施例】以下、本発明のメタルガスケットの実施例を
図面を参照して説明する。図１乃至図３は本発明の一実
施例を示すもので、メタルガスケットたるシリンダヘッ
ドガスケット１が多気筒内燃機関のシリンダヘッド３と
シリンダブロック４との間に介装されている。本実施例
のシリンダヘッドガスケット１を製造工程に沿って説明
すると、先ず弾性金属板、例えばステンレス鋼板（ＳＵ
Ｓ）の素材が巻回されたコイルから、打抜き加工により
基板１０が形成されると共に、図２に示すように複数の
燃焼室孔１１、複数の冷却水孔（図示せず）及び潤滑油
孔（図示せず）が穿設され、燃焼室孔１１の周囲に複数
のボルト孔１２が穿設される。尚、ボルト孔１２は各燃
焼室孔１１の周囲に略均等な間隔で形成され、シリンダ
ヘッドガスケット１の内燃機関への装着時には各々に締
結ボルト（図示せず）が挿通され、図１に示すようにシ
リンダヘッド３及びシリンダブロック４間に緊締され
る。Embodiments of the metal gasket of the present invention will be described below with reference to the drawings. 1 to 3 show an embodiment of the present invention, in which a cylinder head gasket 1 which is a metal gasket is interposed between a cylinder head 3 and a cylinder block 4 of a multi-cylinder internal combustion engine. The cylinder head gasket 1 of this embodiment will be described along the manufacturing process. First, an elastic metal plate such as a stainless steel plate (SU) is used.
The substrate 10 is formed by punching from the coil wound with the material of S), and the plurality of combustion chamber holes 11, the plurality of cooling water holes (not shown) and the lubricating oil holes are formed as shown in FIG. A plurality of bolt holes 12 are formed around the combustion chamber hole 11 (not shown). The bolt holes 12 are formed around the combustion chamber holes 11 at substantially equal intervals, and fastening bolts (not shown) are inserted into each of the cylinder head gaskets 1 when the cylinder head gasket 1 is attached to the internal combustion engine. Thus, the cylinder head 3 and the cylinder block 4 are tightened.
【００１０】燃焼室孔１１は気筒数に対応する数（例え
ば直列四気筒の内燃機関用として四個）の孔が直線上に
並設され、これら燃焼室孔１１回りには、図１に示すよ
うにビード１３がプレス成形される。ビード１３の幅は
図２に示すように燃焼室孔１１の全周に亘り略均等に形
成される。また、ビード１３の内周側の基板１０は、ビ
ード１３の突出側に折曲されると共に、平坦部１０ａ，
１０ｂに平行な平坦部１４ａが形成され、燃焼室孔１１
回りにハーフビード１４が形成される。而して、ハーフ
ビード１４は本発明にいう折曲部を構成するが、ビード
１３の半分の形状を呈していることからハーフビードと
称される。The combustion chamber holes 11 are arranged in a straight line in a number corresponding to the number of cylinders (for example, four for an in-line four-cylinder internal combustion engine), and the combustion chamber holes 11 are shown in FIG. Thus, the bead 13 is press-molded. The width of the bead 13 is formed substantially uniformly over the entire circumference of the combustion chamber hole 11 as shown in FIG. Further, the substrate 10 on the inner peripheral side of the bead 13 is bent to the protruding side of the bead 13 and the flat portion 10a,
The flat portion 14a parallel to 10b is formed, and the combustion chamber hole 11
Half beads 14 are formed around. Thus, the half bead 14 constitutes the bent portion according to the present invention, but is called a half bead because it has a shape half that of the bead 13.
【００１１】そして、ビード１３とハーフビード１４と
の間の凹部底面の平坦部１０ａに、弾性シール部材３０
が付着される。この弾性シール部材３０は、ビード１３
の変形を所定の変形量に規制し得る弾性力を有するゴム
や合成樹脂等から成り、本実施例では半円形断面である
が、他の断面形状としてもよく、それ自体によるシール
機能を確保するに充分な高さ及び幅に設定される。即
ち、弾性シール部材３０は、従来のシム等と同様、ビー
ド１３の変形を規制するストッパとして機能すると共
に、接合面に密着してシール機能を発揮する。The elastic seal member 30 is provided on the flat portion 10a on the bottom surface of the recess between the bead 13 and the half bead 14.
Is attached. This elastic seal member 30 is
It is made of rubber or synthetic resin having elastic force capable of restricting the deformation to a predetermined deformation amount, and has a semicircular cross section in the present embodiment, but other cross sectional shapes may be used to secure the sealing function by itself. The height and width are set to That is, the elastic seal member 30 functions as a stopper that restricts the deformation of the bead 13 and also closely adheres to the joint surface to exert a sealing function, like a conventional shim or the like.
【００１２】上記のシリンダヘッドガスケット１が内燃
機関に装着され締付力が加えられると、先ずビード１３
が圧縮変形する。このとき、弾性シール部材３０もビー
ド１３と共に圧縮されて変形するが、弾性シール部材３
０が所定量圧縮変形すると、ビード１３の変形が規制さ
れる。即ち、シリンダヘッド３及びシリンダブロック４
間が緊締され、弾性シール部材３０が圧縮変形すると、
その弾性力によってビード１３の変形が規制され、それ
以上変形することなく、ビード１３の弾性復元力を以っ
て基板１０がシリンダヘッド３及びシリンダブロック４
に密着することとなる。When the cylinder head gasket 1 is mounted on an internal combustion engine and a tightening force is applied, first the bead 13 is formed.
Is compressed and deformed. At this time, the elastic seal member 30 is also compressed and deformed together with the bead 13, but the elastic seal member 3
When 0 is compressed and deformed by a predetermined amount, the deformation of the bead 13 is restricted. That is, the cylinder head 3 and the cylinder block 4
When the space is tightened and the elastic seal member 30 is compressed and deformed,
Deformation of the bead 13 is restricted by the elastic force, and the substrate 10 is prevented from further deformation by the elastic restoring force of the bead 13 so that the substrate 10 is moved to the cylinder head 3 and cylinder block 4.
Will be in close contact with.
【００１３】而して、基板１０のビード１３の耐疲労性
が確保されると共に、その弾性復元力及び弾性シール部
材３０自体のシール機能によって、燃焼室孔１１の全周
に亘って安定したシール性が確保される。特に、ハーフ
ビード１４と弾性シール部材３０との間、弾性シール部
材３０とビード１３の頂部との間、ビード１３の凹部、
そしてビード１３の頂部から平坦部１０ｂ側に、夫々空
間が形成されるように構成されれば、ラビリンス効果に
よって燃焼ガスに対し一層良好なシール性が確保され
る。また、弾性シール部材３０はハーフビード１４によ
って燃焼ガスから遮蔽されているので、劣化が防止され
る。尚、基板１０は、平坦部１４ａを設けることなく、
図３に示すように折曲部１５のみを形成することとして
もよい。Thus, the fatigue resistance of the bead 13 of the substrate 10 is ensured, and the elastic restoring force and the sealing function of the elastic seal member 30 itself provide a stable seal over the entire circumference of the combustion chamber hole 11. Sex is secured. In particular, between the half bead 14 and the elastic seal member 30, between the elastic seal member 30 and the top of the bead 13, the recess of the bead 13,
If a space is formed from the top of the bead 13 to the side of the flat portion 10b, the labyrinth effect ensures a better seal against combustion gas. Further, since the elastic seal member 30 is shielded from the combustion gas by the half beads 14, deterioration is prevented. The substrate 10 does not need to have the flat portion 14a,
As shown in FIG. 3, only the bent portion 15 may be formed.
【００１４】図４は本発明の他の実施例に係るシリンダ
ヘッドガスケットを示し、図１の基板１０と同一形状の
一対の基板１０，１０から成り、一方の基板１０のビー
ド１３とハーフビード１４との間に台形断面の弾性シー
ル部材３１が配設され、各々のビード１３，１３の頂部
が相互に対向し直接当接するように配置された後、必要
に応じ鳩目（図示せず）によって接合されるもので、積
層型のシリンダヘッドガスケットが構成されている。FIG. 4 shows a cylinder head gasket according to another embodiment of the present invention, which is composed of a pair of substrates 10 and 10 having the same shape as the substrate 10 of FIG. 1, a bead 13 and a half bead 14 of one substrate 10. An elastic seal member 31 having a trapezoidal cross section is arranged between the beads, and the tops of the beads 13 and 13 are arranged so as to face each other and directly abut, and then joined by eyelets (not shown) if necessary. In this case, a laminated cylinder head gasket is constructed.
【００１５】而して、本実施例のシリンダヘッドガスケ
ットも、シリンダヘッド３とシリンダブロック４との間
に介装され締付力が加えられると、弾性シール部材３０
がストッパとして機能しビード１３，１３の変形が規制
されると共に、弾性シール部材３０自体によるシール機
能を発揮する。しかも、一対の基板１０，１０の各々の
ハーフビード１４，１４は平坦部１４ａ，１４ａが密着
した状態で接合されるので、弾性シール部材３１は燃焼
ガスから完全に遮蔽され、劣化が防止される。更に、弾
性シール部材３１の両側に空間が形成されるように構成
されれば、ラビリンス効果によって、一層良好なシール
性が得られる。Thus, the cylinder head gasket of this embodiment is also interposed between the cylinder head 3 and the cylinder block 4, and when a tightening force is applied, the elastic seal member 30 is provided.
Serves as a stopper to restrict the deformation of the beads 13 and 13 and to exert the sealing function of the elastic seal member 30 itself. Moreover, since the half beads 14, 14 of each of the pair of substrates 10, 10 are joined in the state where the flat portions 14a, 14a are in close contact with each other, the elastic seal member 31 is completely shielded from the combustion gas and is prevented from deterioration. Furthermore, if a space is formed on both sides of the elastic seal member 31, a better sealing property can be obtained due to the labyrinth effect.
【００１６】また、図５は本発明の更に他の実施例に係
るシリンダヘッドガスケットを示し、図４の実施例と同
様の基板１０に対し、ハーフビード１４を有さずビード
２３の両側に平坦部２０ａ，２０ｂを有する基板２０が
接合されたものである。本実施例においても、基板１
０，２０は各々のビード１３，２３の頂部が対向し直接
当接するように配置された後、これらが必要に応じ鳩目
（図示せず）によって接合され、図５に示すように積層
型のシリンダヘッドガスケットが構成される。而して、
図４の実施例と同様のシール性が確保される。尚、本実
施例においては基板１０がシリンダブロック４側となる
ように配置されるが、基板２０がシリンダブロック４側
となるように配置することとしてもよい。更に、基板１
０と基板２０との間に中間板を介装することとしてもよ
い。また、シリンダヘッドガスケットに限ることなく、
エキゾーストマニホールドとシリンダヘッドとの間に配
設されるガスケット等にも適用できる。FIG. 5 shows a cylinder head gasket according to still another embodiment of the present invention, which is the same as that of the embodiment shown in FIG. 4, except that the half bead 14 is not provided and flat portions are provided on both sides of the bead 23. A substrate 20 having 20a and 20b is bonded. Also in this embodiment, the substrate 1
Nos. 0 and 20 are arranged so that the tops of the beads 13 and 23 face each other and directly contact each other, and then these are joined by eyelets (not shown) as necessary, and as shown in FIG. The head gasket is constructed. Therefore,
The same sealability as the embodiment of FIG. 4 is secured. Although the substrate 10 is arranged on the cylinder block 4 side in this embodiment, the substrate 20 may be arranged on the cylinder block 4 side. Furthermore, the substrate 1
An intermediate plate may be interposed between 0 and the substrate 20. Also, not limited to the cylinder head gasket,
It can also be applied to a gasket or the like arranged between the exhaust manifold and the cylinder head.
【００１７】[0017]
【発明の効果】本発明は上述のように構成されているの
で、以下に記載する効果を奏する。即ち、本発明のメタ
ルガスケットにおいては、基板のビードが圧縮されて変
形すると共に、所定のビード変形量で弾性シール部材の
圧縮変形が停止しその弾性力を以てビードの変形が規制
されるので、ビードの耐疲労性を確保しつつ、弾性シー
ル部材自体のシール機能を発揮させ、流体孔の全周に亘
って所期のシール性を確保することができる。しかも、
弾性シール部材はビード間の凹部底面の平坦部に固着さ
れているので、ガスケットの押圧時にも基板の変形に影
響されることなく弾性シール部材が所定位置に保持され
るため安定したシール性が得られる。Since the present invention is configured as described above, it has the following effects. That is, in the metal gasket of the present invention, the bead of the substrate is compressed and deformed, and the compression deformation of the elastic seal member is stopped by a predetermined bead deformation amount, and the bead deformation is restricted by the elastic force. It is possible to ensure the desired sealing performance over the entire circumference of the fluid hole by making the elastic sealing member itself exhibit the sealing function while ensuring the fatigue resistance of the above. Moreover,
Since the elastic seal member is fixed to the flat part of the bottom surface of the recess between the beads, the elastic seal member is held in place without being affected by the deformation of the substrate even when the gasket is pressed, and stable sealing performance can be obtained. To be
【００１８】また、弾性シール部材を所定位置に配設し
第１及び第２の基板を接合したメタルガスケットにおい
ては、第１及び第２の基板のビードは弾性シール部材の
圧縮変形後の高さまで変形した後は、ビードの変形が規
制されるので、ビードの耐疲労性を確保しつつ、弾性シ
ール部材自体のシール機能を発揮させ、第１及び第２の
基板間の各流体孔の全周に亘って安定したシール性を確
保することができる。しかも、弾性シール部材はビード
間の凹部底面の平坦部に固着されているので、ガスケッ
トの押圧時にも基板の変形に影響されることなく弾性シ
ール部材が所定位置に保持されるため安定したシール性
が得られる。Further, in the metal gasket in which the elastic seal member is arranged at a predetermined position and the first and second substrates are joined, the bead of the first and second substrates is up to the height after the elastic deformation of the elastic seal member. After the deformation, the deformation of the bead is restricted, so that the elastic seal member itself exerts the sealing function while ensuring the fatigue resistance of the bead, and the entire circumference of each fluid hole between the first and second substrates is controlled. A stable sealing property can be secured over the entire length. Moreover, since the elastic seal member is fixed to the flat portion of the bottom surface of the concave portion between the beads, the elastic seal member is held at the predetermined position without being affected by the deformation of the substrate even when the gasket is pressed, so that the stable sealing performance can be obtained. Is obtained.
【図１】本発明の一実施例に係るシリンダヘッドガスケ
ットを内燃機関に装着した状態を示す断面図で、図２の
Ａ−Ａ線に沿った断面図である。1 is a cross-sectional view showing a state in which a cylinder head gasket according to an embodiment of the present invention is mounted on an internal combustion engine, and is a cross-sectional view taken along the line AA of FIG.
【図２】本発明の一実施例に係るシリンダヘッドガスケ
ットの一部の平面図である。FIG. 2 is a plan view of a part of the cylinder head gasket according to the embodiment of the present invention.
【図３】本発明の一実施例に係るシリンダヘッドガスケ
ットの基板の変形例を示す断面図である。FIG. 3 is a cross-sectional view showing a modified example of the substrate of the cylinder head gasket according to the embodiment of the present invention.
【図４】本発明の他の実施例に係るシリンダヘッドガス
ケットの一部の断面図である。FIG. 4 is a partial cross-sectional view of a cylinder head gasket according to another embodiment of the present invention.
【図５】本発明の更に他の実施例に係るシリンダヘッド
ガスケットの一部の断面図である。FIG. 5 is a partial sectional view of a cylinder head gasket according to still another embodiment of the present invention.
１ シリンダヘッドガスケット（メタルガスケット） ３ シリンダヘッド ４ シリンダブロック １０，２０ 基板 １１ 燃焼室孔 １２ ボルト孔 １３，２３ ビード ３０，３１ 弾性シール部材 1 Cylinder Head Gasket (Metal Gasket) 3 Cylinder Head 4 Cylinder Block 10,20 Substrate 11 Combustion Chamber Hole 12 Bolt Hole 13,23 Bead 30,31 Elastic Seal Member
───────────────────────────────────────────────────── フロントページの続き (72)発明者 新保 善一 愛知県豊田市トヨタ町１番地 トヨタ自動 車株式会社内 (72)発明者 中田 和哉 愛知県豊田市トヨタ町１番地 トヨタ自動 車株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Zenichi Shinbo 1 Toyota Town, Toyota City, Aichi Prefecture, Toyota Motor Co., Ltd. (72) Inventor, Kazuya Nakata 1 Toyota Town, Toyota City, Aichi Prefecture, Toyota Motor Co., Ltd.
Claims (2)
孔を穿設し、該流体孔の周縁部にビードを突出形成する
と共に、該ビードの内周側の前記基板を前記ビードの突
出側に折曲して折曲部を形成し、該折曲部と前記ビード
の頂部との間に形成した底面が平坦な凹部に、前記ビー
ドの変形を規制する弾性シール部材を配設したことを特
徴とするメタルガスケット。1. A metal substrate is provided with a fluid hole through which a pressure fluid passes, a bead is formed so as to project at a peripheral portion of the fluid hole, and the substrate on the inner peripheral side of the bead is projected from the bead. A bent portion is formed by bending to the side, and an elastic seal member for restricting deformation of the bead is provided in a recess having a flat bottom formed between the bent portion and the top of the bead. A metal gasket characterized by.
孔を穿設し、該流体孔の周縁部にビードを突出形成した
第１の基板及び第２の基板を有し、少くとも第１の基板
の前記ビードの内周側の前記基板を前記ビードの突出側
に折曲して折曲部を形成し、前記第１及び第２の基板を
各々のビードの頂部が対向するように接合し、前記第１
の基板の前記折曲部と前記ビードの頂部との間に形成し
た底面が平坦な凹部に前記ビードの変形を規制する弾性
シール部材を配設したことを特徴とするメタルガスケッ
ト。2. A metal substrate is provided with a fluid hole through which a pressure fluid passes, and a first substrate and a second substrate each having a bead projectingly formed on a peripheral portion of the fluid hole are provided, and at least a first substrate is provided. The substrate on the inner peripheral side of the bead of one substrate is bent to the protruding side of the bead to form a bent portion, and the first and second substrates are arranged so that the tops of the respective beads face each other. Joined, the first
7. A metal gasket, wherein an elastic seal member for restricting deformation of the bead is disposed in a recess having a flat bottom formed between the bent portion of the substrate and the top of the bead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25774893A JP3467062B2 (en) | 1993-09-20 | 1993-09-20 | Metal gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25774893A JP3467062B2 (en) | 1993-09-20 | 1993-09-20 | Metal gasket |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000229885A Division JP2001065696A (en) | 2000-07-28 | 2000-07-28 | Cylinder head gasket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0791547A true JPH0791547A (en) | 1995-04-04 |
| JP3467062B2 JP3467062B2 (en) | 2003-11-17 |
Family
ID=17310557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25774893A Expired - Fee Related JP3467062B2 (en) | 1993-09-20 | 1993-09-20 | Metal gasket |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3467062B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013081898A1 (en) * | 2011-12-01 | 2013-06-06 | Borgwarner Inc. | Metal bead gasket |
-
1993
- 1993-09-20 JP JP25774893A patent/JP3467062B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013081898A1 (en) * | 2011-12-01 | 2013-06-06 | Borgwarner Inc. | Metal bead gasket |
| CN103946531A (en) * | 2011-12-01 | 2014-07-23 | 博格华纳公司 | Metal bead gasket |
| JP2015500960A (en) * | 2011-12-01 | 2015-01-08 | ボーグワーナー インコーポレーテッド | Metal bead gasket |
| US9429102B2 (en) | 2011-12-01 | 2016-08-30 | Borgwarner Inc. | Metal bead gasket |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3467062B2 (en) | 2003-11-17 |
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