JPS63149479A - Single metal gasket - Google Patents
Single metal gasketInfo
- Publication number
- JPS63149479A JPS63149479A JP29497886A JP29497886A JPS63149479A JP S63149479 A JPS63149479 A JP S63149479A JP 29497886 A JP29497886 A JP 29497886A JP 29497886 A JP29497886 A JP 29497886A JP S63149479 A JPS63149479 A JP S63149479A
- Authority
- JP
- Japan
- Prior art keywords
- metal gasket
- thickness
- combustion chamber
- bead
- compensation member
- 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
Links
- 239000002184 metal Substances 0.000 title claims abstract description 48
- 239000011324 bead Substances 0.000 claims abstract description 27
- 238000002485 combustion reaction Methods 0.000 claims abstract description 26
- 230000002093 peripheral effect Effects 0.000 claims abstract description 14
- 239000003973 paint Substances 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 238000007789 sealing Methods 0.000 abstract description 11
- 230000007423 decrease Effects 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000008719 thickening Effects 0.000 abstract 1
- 239000000567 combustion gas Substances 0.000 description 4
- 238000007665 sagging Methods 0.000 description 4
- 230000001788 irregular Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Gasket Seals (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明はシリンダブロックとシリンダヘッドとの接合
部などをシールする単板金属ガスケットに係り、特にシ
リンダヘッド締結時のデツキ面空隙の不整を補償する単
板金属ガスケットに関する。[Detailed Description of the Invention] [Field of Industrial Application] This invention relates to a single-plate metal gasket for sealing the joint between a cylinder block and a cylinder head, and in particular for compensating for irregularities in the deck surface gap when the cylinder head is fastened. Regarding veneer metal gaskets.
被接合部材の接合面のシール、例えば内燃機関のシリン
ダブロックとシリンダへノととの接合部などには、金属
ガスケットが利用されている。金属ガスケットは、シー
ル面をシールするべく形成されたビードを有し、このビ
ードが被接合部材同士を接合するボルト等の締付力によ
り接合面に弾性的なシール線を形成し、シールを果すも
のである。Metal gaskets are used to seal joint surfaces of members to be joined, for example, at the joint between a cylinder block and a cylinder hem of an internal combustion engine. A metal gasket has a bead formed to seal the sealing surface, and this bead forms an elastic seal line on the joint surface by the tightening force of a bolt, etc. that joins the parts to be joined, and achieves the seal. It is something.
ところで、単板金属ガスケットを介してシリンダブロッ
クにシリンダヘッドを締結用ボルトによって押圧締結し
た際に、締結力によってデツキ面空隙が不整となり、例
えば実際にはシリンダヘッドが湾曲し、特に燃焼室周り
の間隙が大となり、歪みが生ずるものである。By the way, when the cylinder head is press-fastened to the cylinder block with a fastening bolt via a single-plate metal gasket, the deck surface gap becomes irregular due to the fastening force, and for example, the cylinder head actually curves, especially around the combustion chamber. The gap becomes large and distortion occurs.
この結果、これらの歪みの生じた箇所から燃焼ガスが侵
入して、接合部に介装されている単板金属ガスケットを
汚損したり、含有した物質の堆積によるシール効果が低
減するという不都合があった。As a result, there are disadvantages in that combustion gas enters through the places where these distortions occur, staining the veneer metal gasket interposed in the joint, and reducing the sealing effect due to the accumulation of contained substances. Ta.
また、使用時に燃焼室周りのデツキ面間隙が増減するこ
とにより、単板金属ガスケットのビード部位に交番荷重
によってへたりが生ずるとともに、この交番荷重力ｑ帝
結用ボルトにも作用し、ボルトの締結力を低減させ、単
板金属ガスケットのシール効果を劣化させるという不都
合がある。In addition, as the deck surface gap around the combustion chamber increases or decreases during use, the bead portion of the single-plate metal gasket becomes sagging due to alternating loads, and this alternating load force q also acts on the bolts, causing the bolts to weaken. This has the disadvantage of reducing the fastening force and deteriorating the sealing effect of the single metal gasket.
〔発明の目的〕
そこでこの発明の目的は、上記不都合を除去し、シリン
ダへノド締結時のデツキ面空隙の不整を補償して、単板
金属ガスケットの汚損やシール効果の低減を防止し得る
単板金属ガスケットを実現するにある。[Object of the Invention] Therefore, the object of the present invention is to provide a simple method that eliminates the above-mentioned disadvantages, compensates for the irregularity of the deck surface gap when the throat is fastened to the cylinder, and prevents contamination of the veneer metal gasket and reduction of the sealing effect. To realize sheet metal gasket.
この目的を達成するためにこの発明は、単板金属ガスケ
ットに形成し１こ燃焼室用孔の内周縁部位に押圧締結時
のデツキ面空隙の不整を補償する補償部材を装着したこ
とを特徴とする。In order to achieve this object, the present invention is characterized in that it is formed in a single metal gasket, and a compensating member is attached to the inner peripheral edge of the combustion chamber hole to compensate for irregularities in the deck surface gap during press fastening. do.
上述の如く構成したことにより、単板金属ガスケットを
介してシリンダブロックにシリンダヘッドを締結した際
に、締結時のデツキ面空隙の不整を補償し、交番荷重に
よるビード部位のへたつを防止するとともに、ボルトの
締結力の低下を防止し、シール効果の低減を防止してい
る。By configuring as described above, when the cylinder head is fastened to the cylinder block via a single metal gasket, it is possible to compensate for irregularities in the deck surface gap at the time of fastening, and prevent the bead part from becoming flat due to alternating loads. , prevents a decrease in the tightening force of the bolt and prevents a decrease in the sealing effect.
以下図面に基づいてこの発明の実施例を詳細に説明する
。Embodiments of the present invention will be described in detail below based on the drawings.
第１〜３図はこの発明の第１実施例を示すものである。1 to 3 show a first embodiment of the invention.
第１〜３図において、２は単板金属ガスケットで、シリ
ンダ孔を囲繞する燃焼室用孔４が形成されている。とこ
ろで、上記燃焼室用孔４の内周縁６は、押圧締結時の単
板金属ガスケット２のビード部位の厚さＨよりも厚く、
例えば３ ／ １００ ｍｓ程度の厚みＷを有すべく形
成されている。この厚くする手段として、燃焼室用孔４
の内周縁６部位に補償部材、例えばグロメット８を設け
る。１０は上記燃焼室用孔４を囲繞して単板金属ガスケ
ット１２に形成されたビードで、ボルト等の締結力によ
りビード１０形成箇所でシールを果すものである。１２
は金属ガスケット２に穿設されたボルト孔である。１４
及び１６は内燃機関を構成するシリンダヘッドとシリン
ダブロックであり、このシリンダヘッド１４とシリンダ
ブロック１６の接合部に上記単板金属ガスケット２が介
装される。In FIGS. 1 to 3, reference numeral 2 denotes a single-plate metal gasket in which a combustion chamber hole 4 surrounding a cylinder hole is formed. By the way, the inner circumferential edge 6 of the combustion chamber hole 4 is thicker than the thickness H of the bead portion of the single-plate metal gasket 2 during press fastening.
For example, it is formed to have a thickness W of about 3/100 ms. As a means to increase the thickness, the combustion chamber hole 4
A compensating member, for example, a grommet 8, is provided at 6 portions of the inner circumferential edge. Reference numeral 10 denotes a bead formed on a single-plate metal gasket 12 surrounding the combustion chamber hole 4, and seals the bead 10 at the location where the bead 10 is formed by the fastening force of a bolt or the like. 12
is a bolt hole drilled in the metal gasket 2. 14
and 16 are a cylinder head and a cylinder block that constitute an internal combustion engine, and the single-plate metal gasket 2 is interposed at the joint between the cylinder head 14 and cylinder block 16.
１８はシリンダ孔を形成するためにシリンダブロック１
６に挿入されたライナで、該ライナ１８はシリンダブロ
ック１６と材質が異なる。なお符号２０は燃焼室、２２
はピストン、２４は単板金属ガスケット２の両面に被覆
したシール材、Ｄはデツキ面空隙、Ｓはデツキ面空隙の
燃焼室側の間隙である。18 is a cylinder block 1 for forming a cylinder hole.
The liner 18 inserted into the cylinder block 6 is made of a different material from that of the cylinder block 16. Note that 20 is a combustion chamber, 22
is a piston, 24 is a sealing material coated on both sides of the single-plate metal gasket 2, D is a deck surface gap, and S is a gap on the combustion chamber side of the deck surface gap.
この発明は上述の如く構成されているので以下の如く作
用する。Since the present invention is constructed as described above, it operates as follows.
シリンダヘッド１４とシリンダブロック１６との接合部
に介装された単板金属ガスケット２は、第２図に示す如
く、ビード部位の厚さｈがＨまて減少し、ボルト等の締
付力により、ビード１０形成箇所でシールを果す。この
状態において、第３図に示す如く、デツキ面空隙りに不
整、つまりシリンダヘッド１４が湾曲して歪みが生し、
燃焼室用孔４の内周縁６部位の間隙Ｓが大となる。しか
し、前記グロメット８の厚さＷによって第３図に示す如
く、前記間隙Ｓの歪みに追従し得て、その歪みを補償す
ることができる。As shown in FIG. 2, the thickness h of the bead portion of the single metal gasket 2 interposed at the joint between the cylinder head 14 and the cylinder block 16 is reduced by H, and the tightening force of bolts etc. , a seal is achieved at the location where the bead 10 is formed. In this state, as shown in FIG. 3, the deck surface gap is irregular, that is, the cylinder head 14 is curved and distorted.
The gap S at the inner peripheral edge 6 portion of the combustion chamber hole 4 becomes large. However, as shown in FIG. 3, the thickness W of the grommet 8 can follow the distortion of the gap S and compensate for the distortion.
これにより、歪みを生した箇所からの燃焼ガスの侵入を
阻止することが可能となる。This makes it possible to prevent combustion gas from entering from the distorted portion.
第４．５図はこの発明の第２実施例を示すものである。Figure 4.5 shows a second embodiment of the invention.
この第２実施例において上述第１実施例と同一機能を果
す箇所には同一符号を付して説明する。In this second embodiment, parts that perform the same functions as those in the first embodiment described above are given the same reference numerals and will be explained.
この第２実施例の特徴とするところは、押圧締結時のビ
ード厚さより大なる厚さを存すべく補償部材３０を耐熱
性塗料や金属メッキ等によって形成した点にある。The feature of this second embodiment is that the compensating member 30 is formed of heat-resistant paint, metal plating, etc. so as to have a thickness greater than the bead thickness at the time of pressure fastening.
すなわち、単板金属ガスケット２のビード成形部位より
も燃焼室用孔４側の内周縁６ （実際には２１１程度あ
る）の表裏両面に、前記補償部材３０を装着する。That is, the compensating member 30 is attached to both the front and back surfaces of the inner peripheral edge 6 (actually, there are about 211) on the combustion chamber hole 4 side than the bead forming portion of the single metal gasket 2.
さすれば、シリンダへノド１４とシリンダブロック１６
との接合部に介装された単板金属ガスケット２は、第４
図に示す如く、ビード厚さｈがＨまで減少し、ボルト等
の締付力により、ビード１０形成箇所でシールを果す。Then, insert the throat 14 and cylinder block 16 into the cylinder.
The single metal gasket 2 interposed at the joint with the fourth
As shown in the figure, the bead thickness h is reduced to H, and a seal is achieved at the location where the bead 10 is formed by the tightening force of the bolt or the like.
この状態において、第５図に示す如く、デツキ面空隙り
に不整、つまりシリンダヘッド１４が湾曲して歪みが生
じ、燃焼室用孔４の内周縁６部位の間隙Ｓが大となる。In this state, as shown in FIG. 5, the deck surface gap is irregular, that is, the cylinder head 14 is curved and distorted, and the gap S at the inner peripheral edge 6 portion of the combustion chamber hole 4 becomes large.
しかし、前記ビード成形部位よりも燃焼室用孔４例の内
周縁６部位に補償部材８を設けたことにより、この補償
部材８の厚さＷによって第５図に示す如く、前記間隙Ｓ
の歪みに追従し得て、その歪みを補償することができる
。However, by providing the compensating member 8 at the inner periphery 6 portions of the four combustion chamber holes than the bead forming portion, the thickness W of the compensating member 8 increases the gap S as shown in FIG.
can track and compensate for the distortion.
これにより、補償部材によってシリンダヘッドの交番荷
重の発生を防止することができ、交番荷重によるビード
のへたりを防止できるとともに、押圧締結用ボルトの締
結力の低下を防止でき、シール効果の低減を防止し得る
。As a result, the compensating member can prevent the occurrence of alternating loads on the cylinder head, prevent the bead from becoming sagging due to alternating loads, and prevent a decrease in the tightening force of the press fastening bolts, thereby reducing the sealing effect. Can be prevented.
更に、前記補償部材の単板金属ガスケットへの装着が容
易であり、コストを低減できる。Furthermore, the compensation member can be easily attached to the single-plate metal gasket, and costs can be reduced.
第６図はこの発明の第３実施例を示すものである。FIG. 6 shows a third embodiment of the invention.
この第３実施例の特徴とするところは、燃焼室用孔４の
内周縁６端部６ａに、補償部材４０として環状金属板を
溶着した点にある。The feature of this third embodiment is that an annular metal plate is welded to the end 6a of the inner peripheral edge 6 of the combustion chamber hole 4 as a compensating member 40.
つまり、第６図に示す如く、内周縁６の端部６ａに補償
部材４０の外周面中央部位４０ａを溶着した際に、この
補償部材４０の厚さＷ、すなわち第６図における補償部
材４０の厚さｗｈを締結時のビード部位の厚さＨよりも
厚く形成する。That is, as shown in FIG. 6, when the center portion 40a of the outer peripheral surface of the compensation member 40 is welded to the end 6a of the inner peripheral edge 6, the thickness W of the compensation member 40, that is, the thickness W of the compensation member 40 in FIG. The thickness wh is made thicker than the thickness H of the bead portion at the time of fastening.
これにより、補償部材の構成が簡略化し、補償部材の単
板金属ガスケットへの溶着作業が容易となり、コストを
低減し得る。This simplifies the configuration of the compensation member, facilitates welding of the compensation member to the single metal gasket, and reduces costs.
また、シリンダヘッドの交番荷重によるビード部位のへ
たりを防止し得るとともに、締結用ボルトの締結力の低
下が防止でき、シール効果を良好に維持することができ
る。In addition, it is possible to prevent the bead portion from becoming sagging due to alternating loads on the cylinder head, and also to prevent a decrease in the fastening force of the fastening bolt, and to maintain a good sealing effect.
なお、この発明は上述第１、第２実施例に限定されるも
のではなく、種々の応用改変が可能である。Note that this invention is not limited to the above-mentioned first and second embodiments, and can be modified in various ways.
例えば、この発明の第１、第２実施例においては、補償
部材として耐熱性塗料や金属メブキ等、あるいは環状金
属板を使用する構成としたが、デツキ面空隙の不整、例
えばシリンダへノドの歪みを補償できるものであればよ
く、その他の材質の補償部材や装着方策を使用すること
もできる。For example, in the first and second embodiments of the present invention, heat-resistant paint, metal coating, etc., or an annular metal plate are used as the compensating member, but irregularities in the deck surface gap, for example, distortion of the throat to the cylinder, Any material that can compensate for this may be used, and compensation members made of other materials and attachment methods may also be used.
以上詳細に説明した如（この発明によれば、単板金属ガ
スケットの燃焼室用孔の内周縁部位に押圧締結時のデツ
キ面空隙の不整を補償する補償部材を装着したので、押
圧締結時のデツキ面空隙の不整を補償し得て、この不整
箇所からの燃焼ガス等の侵入を阻止できる。また、侵入
した燃焼ガス等による金属ガスケットの汚損や含有した
物質の堆積によるシール効果の低減を防止し得る。更に
、ビード部位のへたりを防止し得るとともに、締結用ボ
ルトの締結力の低下を防止し得て、初期のシール効果を
補償することができ、実用上有利である。As explained in detail above (according to the present invention, a compensating member is attached to the inner circumferential edge of the combustion chamber hole of the single metal gasket to compensate for irregularities in the deck surface gap during press fastening. It can compensate for irregularities in the deck surface voids and prevent combustion gas from entering through these irregularities.It also prevents the metal gasket from being contaminated by the intruding combustion gas and from reducing the sealing effect due to the accumulation of contained substances. Furthermore, it is possible to prevent the bead portion from becoming sagging, prevent the tightening force of the fastening bolt from decreasing, and compensate for the initial sealing effect, which is advantageous in practice.
第１〜３図はこの発明に係る単板金属ガスケットの第１
実施例を示すもので、第１図は一部省略した単板金属ガ
スケットの平面図、第２図は第１図のｎ−ｎ線による要
部拡大断面図、第３図は単板金属ガスケットを接合部に
介装巳たときの一部省略した要部断面図である。
第４．５図はこの発明の第２実施例を示し、第４図は金
属ガスケットの要部拡大断面図、第５図は単板金属ガス
ケットを接合部に介装したときの一部省略した要部断面
図である。
第６図はこの発明の第３実施例を示す単板金属ガスケッ
トの要部拡大断面図である。
図において、２は単板金属ガスケット、４は燃焼室用孔
、６は内周縁、８はグロメット、１０はビード、１２は
ボルト孔、１４はシリンダヘッド、１６はシリンダブロ
ック、１８はライナ、２０は燃焼室、２２はピストン、
２４はシール材である。
特許出願人 日本メタルガスケット株式会社代理人 弁
理士 西 郷 義 美
第２図 第３図Figures 1 to 3 show the first veneer of the veneer metal gasket according to the present invention.
Embodiments are shown; Fig. 1 is a partially omitted plan view of a veneer metal gasket, Fig. 2 is an enlarged sectional view of the main part taken along line nn in Fig. 1, and Fig. 3 is a veneer metal gasket. FIG. 2 is a partially omitted sectional view of the main part when the is inserted into the joint part. Fig. 4.5 shows a second embodiment of the present invention, Fig. 4 is an enlarged sectional view of the main part of a metal gasket, and Fig. 5 is a partially omitted view of a single-plate metal gasket inserted in a joint. It is a sectional view of the main part. FIG. 6 is an enlarged cross-sectional view of a main part of a single-plate metal gasket showing a third embodiment of the present invention. In the figure, 2 is a single plate metal gasket, 4 is a combustion chamber hole, 6 is an inner peripheral edge, 8 is a grommet, 10 is a bead, 12 is a bolt hole, 14 is a cylinder head, 16 is a cylinder block, 18 is a liner, 20 is the combustion chamber, 22 is the piston,
24 is a sealing material. Patent Applicant Nippon Metal Gasket Co., Ltd. Representative Patent Attorney Yoshimi Saigo Figure 2 Figure 3
Claims (1)
部位に押圧締結時のデッキ面空隙の不整を補償する補償
部材を装着したことを特徴とする単板金属ガスケット。 ２、前記補償部材は、押圧締結時のビード厚さより大な
る厚さを有するグロメットからなる補償部材である特許
請求の範囲第１項に記載の単板金属ガスケット。 ３、前記補償部材は、押圧締結時のビード厚さより大な
る厚さを有すべく燃焼室用孔の内周縁部位の表裏両面に
付着させた耐熱性塗料からなる補償部材である特許請求
の範囲第１項に記載の単板金属ガスケット。 ４、前記補償部材は、押圧締結時のビード厚さより大な
る厚さを有すべく燃焼室用孔の内周縁部位の表裏両面に
付着させた金属メッキからなる補償部材である特許請求
の範囲第１項に記載の単板金属ガスケット。 ５、前記補償部材は、燃焼室用孔の内周縁端部に外周面
中央部位を溶着した押圧締結時のビード厚さより大なる
厚さを有する環状金属板からなる補償部材である特許請
求の範囲第１項に記載の単板金属ガスケット。[Claims] 1. A single-plate metal gasket, characterized in that a compensation member is attached to the inner peripheral edge of a combustion chamber hole formed in the single-plate metal gasket to compensate for irregularities in the deck surface gap during press fastening. . 2. The veneer metal gasket according to claim 1, wherein the compensating member is a compensating member made of a grommet having a thickness greater than the bead thickness at the time of press fastening. 3. The compensation member is a compensation member made of a heat-resistant paint attached to both the front and back surfaces of the inner peripheral edge portion of the combustion chamber hole so as to have a thickness greater than the bead thickness at the time of press fastening. The veneer metal gasket according to paragraph 1. 4. The compensation member is a compensation member made of metal plating attached to both the front and back surfaces of the inner peripheral edge portion of the combustion chamber hole so as to have a thickness greater than the bead thickness at the time of press fastening. The veneer metal gasket according to item 1. 5. The compensation member is a compensation member made of an annular metal plate having a thickness greater than the bead thickness at the time of press fastening, the center portion of the outer peripheral surface of which is welded to the inner peripheral end of the combustion chamber hole. The veneer metal gasket according to paragraph 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29497886A JPS63149479A (en) | 1986-12-12 | 1986-12-12 | Single metal gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29497886A JPS63149479A (en) | 1986-12-12 | 1986-12-12 | Single metal gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63149479A true JPS63149479A (en) | 1988-06-22 |
Family
ID=17814769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29497886A Pending JPS63149479A (en) | 1986-12-12 | 1986-12-12 | Single metal gasket |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63149479A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989011607A1 (en) * | 1988-05-27 | 1989-11-30 | Toshimitsu Terai | Metal gasket |
| US5348315A (en) * | 1991-07-17 | 1994-09-20 | Nippon Gasket Co., Ltd. | Metallic gasket |
| US5628113A (en) * | 1993-07-07 | 1997-05-13 | Nippon Leakless Industry Co., Ltd. | Metal gasket assembly |
| JP2011112034A (en) * | 2009-11-30 | 2011-06-09 | Koyama Garage:Kk | Combustion visualization engine and assembling method of the same |
| JP2011525227A (en) * | 2008-06-21 | 2011-09-15 | フェデラル−モーグル シーリング システムズ ゲゼルシャフト ミット ベシュレンクテル ハフツング | Flat gasket |
| JP2015514935A (en) * | 2012-02-24 | 2015-05-21 | フェデラル−モーグル コーポレイション | Static gasket with wire compression limiter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61255251A (en) * | 1985-05-09 | 1986-11-12 | Nippon Metal Gasket Kk | Laminated metal gasket |
-
1986
- 1986-12-12 JP JP29497886A patent/JPS63149479A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61255251A (en) * | 1985-05-09 | 1986-11-12 | Nippon Metal Gasket Kk | Laminated metal gasket |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989011607A1 (en) * | 1988-05-27 | 1989-11-30 | Toshimitsu Terai | Metal gasket |
| US5322299A (en) * | 1988-05-27 | 1994-06-21 | Toshimitsu Terai | Metal gasket |
| US5348315A (en) * | 1991-07-17 | 1994-09-20 | Nippon Gasket Co., Ltd. | Metallic gasket |
| US5628113A (en) * | 1993-07-07 | 1997-05-13 | Nippon Leakless Industry Co., Ltd. | Metal gasket assembly |
| US6619666B1 (en) * | 1993-07-07 | 2003-09-16 | Nippon Leakless Industry Co., Ltd. | Metal gasket assembly |
| JP2011525227A (en) * | 2008-06-21 | 2011-09-15 | フェデラル−モーグル シーリング システムズ ゲゼルシャフト ミット ベシュレンクテル ハフツング | Flat gasket |
| JP2011112034A (en) * | 2009-11-30 | 2011-06-09 | Koyama Garage:Kk | Combustion visualization engine and assembling method of the same |
| JP2015514935A (en) * | 2012-02-24 | 2015-05-21 | フェデラル−モーグル コーポレイション | Static gasket with wire compression limiter |
| US10167811B2 (en) | 2012-02-24 | 2019-01-01 | Tenneco Inc. | Static gasket with wire compression limiter |
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