JPH08247293A - Laminated type metal gasket - Google Patents
Laminated type metal gasketInfo
- Publication number
- JPH08247293A JPH08247293A JP7815695A JP7815695A JPH08247293A JP H08247293 A JPH08247293 A JP H08247293A JP 7815695 A JP7815695 A JP 7815695A JP 7815695 A JP7815695 A JP 7815695A JP H08247293 A JPH08247293 A JP H08247293A
- Authority
- JP
- Japan
- Prior art keywords
- metal
- gasket
- annular
- bead
- layer structure
- 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
Landscapes
- Gasket Seals (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、バルブ、ポンプ、機器
等の配管フランジ部、軸封止部等に組み込まれて、各種
流体を密封するのに使用する金属積層型ガスケットに関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metal laminated gasket used for sealing various fluids by being incorporated in a pipe flange portion, a shaft sealing portion and the like of valves, pumps, devices and the like.
【0002】[0002]
【従来の技術】従来、この種の金属ガスケットとして、
使用流体の種類、温度、圧力等の条件に合わせた金属板
を環状に打ち抜き加工した金属単体が知られている。ま
た、金属フランジとの当接面に、プレス加工あるいは切
削加工によるシール用ビードを設け、フランジとの密着
を良くすると共に高い面圧が得られるように構成した金
属ガスケットも知られている。2. Description of the Related Art Conventionally, as this type of metal gasket,
There is known a metal simple substance which is obtained by punching a metal plate in an annular shape in accordance with conditions such as the type of fluid used, temperature and pressure. Further, a metal gasket is also known in which a sealing bead formed by pressing or cutting is provided on the contact surface with the metal flange to improve the close contact with the flange and to obtain a high surface pressure.
【0003】[0003]
【発明が解決しようとする課題】しかしながら、上記の
ような金属単体で構成されたガスケットにあっては、配
管フランジ部の熱歪、撓み、ボルト等の伸びに追随する
復元性が不十分なため、応力緩和現象が生じ、流体漏れ
が生じやすい。特にフランジ、バルブの昇温時に漏れが
発生するという問題がある。また、金属単体表面にプレ
ス加工によるシール用ビードを形成した金属ガスケット
にあっては、そのビードが締付け圧によって変形されや
すいため、折角のシール用ビードとしての機能が著しく
損なわれる欠点がある。However, in the case of a gasket composed of a single metal as described above, the resilience to follow the thermal strain, bending, and expansion of bolts of the pipe flange is insufficient. , Stress relaxation phenomenon occurs and fluid leakage easily occurs. In particular, there is a problem that leakage occurs when the temperature of the flange and the valve is raised. Further, in a metal gasket in which a sealing bead is formed on the surface of a single metal by pressing, the bead is easily deformed by tightening pressure, so that there is a drawback that the function of the bent sealing bead is significantly impaired.
【0004】[0004]
【発明の目的】本発明は、前述した金属単体で構成され
るガスケットの欠点を除去し、復元性が向上し、応力緩
和現象が生じることがなく、また、シール用ビードが変
形されず、優れたシール性能を有する金属積層型ガスケ
ットを提供することを主たる目的としている。It is an object of the present invention to eliminate the above-mentioned drawbacks of a gasket composed of a single metal, improve the restorability, prevent stress relaxation phenomenon, and prevent the bead for sealing from being deformed. The main object is to provide a metal laminated gasket having excellent sealing performance.
【0005】[0005]
【課題を解決するための手段】本発明による金属積層型
ガスケットは、ガスケット本体を、表面側に切削加工に
よるシール部用ビードを設けた2枚の環状金属板間に、
環状に成形された膨張黒鉛製クッション材を挟持させた
3層構造としたことを要旨としている。A metal laminated gasket according to the present invention comprises a gasket body, between two annular metal plates provided with a bead for a sealing portion by cutting on the surface side,
The gist is that it has a three-layer structure in which a cushion material made of expanded graphite formed in an annular shape is sandwiched.
【0006】さらに、本発明は、前記3層構造のガスケ
ット本体における2枚の環状金属板間に挟持された環状
の膨張黒鉛製クッション材の内外露出周面部位に、それ
を覆うための金属薄板製の環子をそれぞれ設けると共に
それら金属環子を前記環状金属板にスポット溶接または
シーム溶接にて固着した構成を包含する。Further, according to the present invention, a metal thin plate for covering the inner and outer exposed peripheral surface portions of an annular expanded graphite cushion material sandwiched between two annular metal plates in the gasket body of the three-layer structure. It also includes a structure in which each of the metal ring members is provided and the metal ring members are fixed to the ring-shaped metal plate by spot welding or seam welding.
【0007】また、本発明は、前述した3層構造のガス
ケット本体における環状金属板表面のビード上に、柔ら
かい材質の金属薄板からなる環状のシート状フィラー材
を当て付けて金属フランジ面との間に介在させた構成を
包含する。Further, according to the present invention, an annular sheet-shaped filler material made of a metal thin plate made of a soft material is placed on the bead on the surface of the annular metal plate in the above-mentioned three-layer structure gasket body, and the space between the bead and the metal flange surface is applied. It includes the configuration intervening.
【0008】さらにまた、本発明は、前述した3層構造
の環状のガスケット本体全体を柔らかい材質の金属薄板
からなる包み材にて環状に包み込んだ構成を包含する。Furthermore, the present invention includes a configuration in which the entire annular gasket main body having the above-mentioned three-layer structure is annularly wrapped with a wrapping material made of a metal thin plate made of a soft material.
【0009】[0009]
【作用】上記金属積層型ガスケットのガスケット本体の
構成によれば、金属単体としての2枚の環状金属板自体
に復元性がなくても、両金属板間に挟持されている膨張
黒鉛製クッション材の有する復元性により、ガスケット
本体全体に復元性が発揮され、応力緩和現象は生じな
い。加えて、環状金属板表面のビードは切削加工にて形
成したものであるから、締付け圧を受けても変形するお
それはない。According to the structure of the gasket body of the metal laminated gasket described above, the expanded graphite cushioning material sandwiched between the two metal plates even if the two annular metal plates as a single metal have no restorability. Due to the resilience, the resilience is exerted on the entire gasket body, and the stress relaxation phenomenon does not occur. In addition, since the bead on the surface of the annular metal plate is formed by cutting, there is no risk of deformation even when subjected to tightening pressure.
【0010】また、膨張黒鉛製クッション材の内外周面
部位に金属薄板製の環子を設けた構成によれば、膨張黒
鉛の酸化減量の防止機能が得られる。Further, according to the constitution in which the ring made of a thin metal plate is provided on the inner and outer peripheral surface portions of the expanded graphite cushion material, the function of preventing the oxidation loss of the expanded graphite can be obtained.
【0011】また、環状金属板表面のビード上に、柔ら
かい材質の金属薄板からなるシート状フィラー材を当て
付けた構成によれば、ビードと金属フランジ面との接面
シール性の向上に寄与すると共に締付け圧からビードを
保護する機能を有する。Further, according to the structure in which the sheet-shaped filler material made of a thin metal plate made of a soft material is applied onto the bead on the surface of the annular metal plate, the sealing property of the contact surface between the bead and the metal flange surface is improved. At the same time, it has the function of protecting the bead from the tightening pressure.
【0012】さらにまた、ガスケット本体を、柔らかい
材質の金属薄板からなる包み材によって環状に包み込ん
だ構成によれば、クッション材としての膨張黒鉛の酸化
減量防止機能と、ビードの金属フランジ面へのシール性
の向上およびビードの保護機能とが総合して得られる。Further, according to the structure in which the gasket body is annularly wrapped by the wrapping material made of a thin metal plate made of a soft material, the function of preventing expansion loss of expanded graphite as a cushioning material and the sealing of the bead to the metal flange surface are provided. It is possible to obtain the improvement of the sex and the function of protecting the bead as a whole.
【0013】[0013]
【実施例】図1に、本発明の一実施例を示す。図1にお
いて、ガスケット本体Aは、2枚の環状金属板1,2の
間に、環状に形成された膨張黒鉛製クッション材3を挟
持させた3層構造とされている。前記各環状金属板1,
2には旋盤等により切削加工した1条のビード1a,2
aがそれぞれ形成されている。膨張黒鉛製クッション材
3の内外露出周面部位には、その周面を覆う金属製薄板
で作った環子4,5がそれぞれ設けられ、それらは環状
金属板1,2にスポット溶接またはシーム溶接による溶
接部6によって固着されている。FIG. 1 shows an embodiment of the present invention. In FIG. 1, the gasket main body A has a three-layer structure in which an annular expanded cushion material 3 made of expanded graphite is sandwiched between two annular metal plates 1 and 2. Each of the annular metal plates 1,
2 is a single bead 1a, 2 cut by a lathe
a are formed respectively. At the inner and outer exposed peripheral surface portions of the expanded graphite cushioning material 3, ring members 4 and 5 made of thin metal plates are provided to cover the peripheral surface, and these are spot welded or seam welded to the annular metal plates 1 and 2. It is fixed by the welded part 6.
【0014】前記ガスケット本体Aを形成する環状金属
板1,2には、SUS304ステンレス鋼板の使用が適
しており、板厚(ビード部を除く)は1.0mm、ビード
高さ1.5mmに形成したものが好ましい。SUS304 stainless steel plates are suitable for use as the annular metal plates 1 and 2 forming the gasket body A, and the plate thickness (excluding the bead portion) is 1.0 mm and the bead height is 1.5 mm. Those obtained are preferred.
【0015】膨張黒鉛製クッション材3は、圧縮復元性
にバラツキがないものとするため、密度調整されたもの
を使用する。密度調整は、一定面圧でプレス成形するこ
とにより行われる。密度は1.6〜1.8g/cm3の範
囲が好ましい。The expansive graphite cushion material 3 has a density adjusted in order to have no variation in compression recovery. The density adjustment is performed by press molding with a constant surface pressure. The density is preferably in the range of 1.6 to 1.8 g / cm 3 .
【0016】図3に、前記金属積層型ガスケットの使用
例を示す。図中、7はフラットフランジ、8は溝付きフ
ランジ、9は締付けボルト、10はナットである。FIG. 3 shows an example of using the metal laminated gasket. In the figure, 7 is a flat flange, 8 is a grooved flange, 9 is a tightening bolt, and 10 is a nut.
【0017】上記金属積層型ガスケットの構成によれ
ば、下記のような効果が得られる。 (1)ガスケット本体は2枚の金属板の間に膨張黒鉛製
クッション材が挟持されている3層構造であるから、環
状金属板自体に復元性がなくても、膨張黒鉛製クッショ
ン材の有する復元性により、ガスケット本体全体に復元
性が発揮され、応力緩和現象は生じない。 (2)また、シール用ビードは切削加工にて形成したも
のであるから、締付け圧を受けても変形するおそれはな
い。 (3)また、膨張黒鉛製クッション材の内外周面部位に
金属薄板製の環子を設けた構成によれば、膨張黒鉛の酸
化減量の防止機能が得られる。その場合、環子をスポッ
ト溶接したガスケット製品は、酸化しない雰囲気(40
0℃以下、または無酸化雰囲気)での使用が好ましい
が、シーム溶接したガスケット製品は膨張黒鉛の酸化を
完全に防止できるため、酸化雰囲気で使用できる。According to the structure of the metal laminated gasket, the following effects can be obtained. (1) Since the gasket body has a three-layer structure in which the expanded graphite cushion material is sandwiched between two metal plates, even if the annular metal plate itself does not have the recovery property, the expanded graphite cushion material has the recovery property. As a result, the entire gasket body is restored and the stress relaxation phenomenon does not occur. (2) Since the sealing bead is formed by cutting, there is no risk of deformation even when subjected to tightening pressure. (3) Further, according to the configuration in which the ring made of a thin metal plate is provided on the inner and outer peripheral surface portions of the expanded graphite cushion material, the function of preventing the oxidation loss of the expanded graphite can be obtained. In that case, the gasket product in which the ring is spot-welded should not be oxidized in an atmosphere (40
Although it is preferably used at 0 ° C. or lower, or in a non-oxidizing atmosphere), the seam-welded gasket product can completely prevent the expansion graphite from being oxidized, and thus can be used in an oxidizing atmosphere.
【0018】図4に、本発明の他の実施例を示す。本実
施例では、前記ガスケット本体Aの構成において、プレ
ス成形した膨張黒鉛製クッション材3を金属製薄板11
で予め被覆しておき、それを2枚の環状金属板1,2間
に挟持させ、金属製薄板11を環状金属板1,2に溶接
部12で溶接した構成としている。FIG. 4 shows another embodiment of the present invention. In the present embodiment, in the configuration of the gasket body A, the press-molded expanded graphite cushion material 3 is used as the metal thin plate 11.
In advance, the metal thin plate 11 is welded to the annular metal plates 1 and 2 at the weld portion 12 by being sandwiched between the two annular metal plates 1 and 2.
【0019】上記構成の金属積層型ガスケットは、図1
のガスケットと同様な作用・効果を有する。特に膨張黒
鉛製クッション材3を予め金属製薄板11で被覆してあ
るので、クッション材3の組み付け作業性の向上が図れ
る。The metal laminated gasket having the above structure is shown in FIG.
Has the same action and effect as the gasket of. In particular, since the expanded graphite cushion material 3 is coated with the thin metal plate 11 in advance, the workability of assembling the cushion material 3 can be improved.
【0020】図5に、本発明の他の実施例を示す。本実
施例では、図1のガスケット本体Aの環状金属板1,2
のビード1a,2a上に、アルミニウム、銅等の柔らか
い材質の金属薄板からなるシート状フィラー材13をそ
れぞれ当て付けて金属フランジ面との間に介在させた構
成としている。FIG. 5 shows another embodiment of the present invention. In this embodiment, the annular metal plates 1 and 2 of the gasket body A shown in FIG.
The sheet-like filler material 13 made of a thin metal plate made of a soft material such as aluminum or copper is applied to the beads 1a and 2a and is interposed between the beads and the metal flange surface.
【0021】上記構成によれば、小さな締付け圧でビー
ドと金属フランジ面との接面シール性の向上が図れると
共に締付け圧からビードを保護できるので、フィラー材
の取り換えにより、ガスケット本体を複数回使用するこ
とができる。According to the above construction, the sealing performance of the contact surface between the bead and the metal flange surface can be improved with a small tightening pressure, and the bead can be protected from the tightening pressure. Therefore, the gasket body can be used a plurality of times by replacing the filler material. can do.
【0022】図5に、さらに本発明の他の実施例を示
す。本実施例では、環状金属板1,2間に膨張黒鉛製ク
ッション材3を挟持させたガスケット本体Aの全体を、
アルミニウム、銅等の柔らかい材質の金属薄板からなる
包み材14にて環状に包み込み、その先端部を重ね合わ
せた構成としている。FIG. 5 shows another embodiment of the present invention. In this embodiment, the entire gasket body A in which the expanded graphite cushion material 3 is sandwiched between the annular metal plates 1 and 2 is
A wrapping material 14 made of a metal thin plate made of a soft material such as aluminum or copper is wrapped in a ring shape, and the tip ends thereof are overlapped.
【0023】上記構成によれば、包み材14はクッショ
ン材としての膨張黒鉛の酸化を防止することができ、か
つ小さな締付け圧でもビードと共同して金属フランジ面
との接面シール性を向上させることができる。また、こ
の構成では、包み材14は環状金属板に溶接を行わなく
てもよい。According to the above construction, the wrapping material 14 can prevent the oxidization of the expanded graphite as the cushioning material, and improve the contact surface sealing property with the metal flange surface in cooperation with the bead even with a small tightening pressure. be able to. Further, in this configuration, the wrapping material 14 does not need to be welded to the annular metal plate.
【0024】図7および図8は、ガスケット本体Aを、
図6で示した包み材14と同じ材質の包み材15,16
でそれぞれ包み込んだ構成としている。両実施例では、
とくに2条のビードを有する環状金属板1,2を用いて
おり、図7の包み材15は2つ割りの包み材からなりガ
スケット本体の半部をそれぞれ包み込んだ構成としてお
り、図8の包み材16は単体であるが、その先端部を重
ね合わせないで、開いた状態でガスケット本体を包み込
んだ構成としている。図7および図8の構成にあって
も、膨張黒鉛製クッション材の酸化を防止できると共に
溶接作業の手数を省くことができる。FIGS. 7 and 8 show that the gasket body A is
Wrapping materials 15, 16 made of the same material as the wrapping material 14 shown in FIG.
Each is wrapped up in. In both examples,
In particular, the annular metal plates 1 and 2 having two beads are used, and the wrapping material 15 in FIG. 7 is configured by wrapping the wrapping material in two and wrapping each half of the gasket body. Although the material 16 is a single body, it is configured such that the gasket main body is wrapped in the open state without overlapping the tip ends thereof. Even with the configurations shown in FIGS. 7 and 8, it is possible to prevent the cushioning material made of expanded graphite from being oxidized and save the labor of welding work.
【0025】次に本発明による金属積層型ガスケット
を、図3に示したフランジ部に装着して行った復元性の
試験結果を下記に示す。 (1)試料 ガスケット本体 内径50mm、外径70mm、厚さ10mm 環状金属板 ビード高さ1.5mm、板厚1.0mm(ビード部を除く)、 材質SUS304、ビード1条 環状膨張黒鉛製 密度1.8g/cm3 クッション材 (2)フランジ 溝寸法 内径49.5mm、外径70.5mm、深さ5.0mm フランジ材質 S55C 研磨後無電解ニッケルメッキ (3)試験条件 締付け荷重 73500N(7.5tonf)、線圧390N/cm(400kgf/cm) (4)試験結果 本発明品の復元量 0.15mm 従来品(メタルガスケット、SUS304)の復元量 0.01mm なお、復元量は実験後のガスケット厚さから圧縮時のガ
スケット厚さを減算したものである。Next, the test results of the restoring property of the metal laminated gasket according to the present invention mounted on the flange portion shown in FIG. 3 are shown below. (1) Sample gasket body Inner diameter 50 mm, outer diameter 70 mm, thickness 10 mm Annular metal plate Bead height 1.5 mm, plate thickness 1.0 mm (excluding beads), material SUS304, bead 1 ring Expanded graphite made density 1 0.8g / cm 3 Cushion material (2) Flange groove dimension Inner diameter 49.5mm, outer diameter 70.5mm, depth 5.0mm Flange material S55C Electroless nickel plating after polishing (3) Test conditions Tightening load 73500N (7.5tonf) ), Linear pressure 390 N / cm (400 kgf / cm) (4) Test results Restoration amount of the product of the present invention 0.15 mm Restoration amount of the conventional product (metal gasket, SUS304) 0.01 mm The restoration amount is the gasket thickness after the experiment. It is obtained by subtracting the gasket thickness at the time of compression.
【0026】[0026]
【発明の効果】以上、詳述したように、本発明によれ
ば、ガスケット本体を、2枚の環状金属板間に環状に成
形された膨張黒鉛製クッション材を挟持させた3層構造
としているので、復元性が向上し、しかも応力緩和現象
が生じることがなく、またシール用ビードが変形され
ず、シール性に優れた金属積層型ガスケットを得ること
ができる。As described above in detail, according to the present invention, the gasket body has the three-layer structure in which the annular expanded graphite cushion material is sandwiched between the two annular metal plates. Therefore, the restoration property is improved, the stress relaxation phenomenon does not occur, the sealing bead is not deformed, and the metal laminated gasket excellent in sealing property can be obtained.
【図1】本発明の一実施例を示す金属積層型ガスケット
の断面図である。FIG. 1 is a cross-sectional view of a metal laminated gasket showing an embodiment of the present invention.
【図2】前記ガスケットの平面図である。FIG. 2 is a plan view of the gasket.
【図3】ガスケットをフランジ部に装着した状態の断面
図である。FIG. 3 is a sectional view showing a state where a gasket is attached to a flange portion.
【図4】本発明の他の実施例を示す金属積層型ガスケッ
トの断面図である。FIG. 4 is a sectional view of a metal laminated gasket showing another embodiment of the present invention.
【図5】本発明の他の実施例による金属積層型ガスケッ
トをフランジ部に装着した状態の断面図である。FIG. 5 is a sectional view showing a state in which a metal laminated gasket according to another embodiment of the present invention is mounted on a flange portion.
【図6】本発明の他の実施例による金属積層型ガスケッ
トの一部の断面図である。FIG. 6 is a partial cross-sectional view of a metal laminated gasket according to another embodiment of the present invention.
【図7】本発明の他の実施例による金属積層型ガスケッ
トの一部の断面図である。FIG. 7 is a partial cross-sectional view of a metal laminated gasket according to another embodiment of the present invention.
【図8】本発明の他の実施例による金属積層型ガスケッ
トの一部の断面図である。FIG. 8 is a partial cross-sectional view of a metal laminated gasket according to another embodiment of the present invention.
A ガスケット本体 1,2 環状金属板 1a,2a ビード 3 膨張黒鉛製クッション材 4,5 環子 6 溶接部 7 フラットフランジ 8 溝付きフランジ 9 ボルト 10 ナット 11 金属薄板 12 溶接部 13 シート状フィラー材 14,15,16 包み材 A gasket body 1, 2 annular metal plate 1a, 2a bead 3 expanded graphite cushioning material 4,5 ring element 6 welded portion 7 flat flange 8 grooved flange 9 bolt 10 nut 11 metal thin plate 12 welded portion 13 sheet filler material 14 , 15, 16 Wrapping material
Claims (4)
ドを設けた2枚の環状金属板間に、環状に成形された膨
張黒鉛製クッション材を挟持させた3層構造をガスケッ
ト本体としたことを特徴とする金属積層型ガスケット。1. A gasket main body having a three-layer structure in which an expanded graphite cushion material formed in an annular shape is sandwiched between two annular metal plates each having a sealing portion bead formed by cutting on the surface side. Metal laminated gasket characterized by:
2枚の環状金属板間に挟持された環状の膨張黒鉛製クッ
ション材の内外露出周面部位に、それを覆うための金属
薄板製の環子をそれぞれ設けると共にそれら環子を前記
環状金属板にスポット溶接またはシーム溶接にて固着し
たことを特徴とする請求項1に記載の金属積層型ガスケ
ット。2. A metal thin plate ring for covering the inner and outer exposed peripheral surface portions of an annular expanded graphite cushioning material sandwiched between two annular metal plates in the gasket body of the three-layer structure. 2. The metal laminated gasket according to claim 1, wherein each of the ring-shaped gaskets is provided and the ring is fixed to the ring-shaped metal plate by spot welding or seam welding.
環状金属板表面のビード上に、柔らかい材質の金属薄板
からなる環状のシート状フィラー材を当て付けて金属フ
ランジ面との間に介在させたことを特徴とする請求項1
または請求項2に記載の金属積層型ガスケット。3. An annular sheet-shaped filler material made of a thin metal plate made of a soft material is placed on the bead on the surface of the annular metal plate in the gasket body of the three-layer structure and is interposed between the bead and the metal flange surface. Claim 1 characterized by the above-mentioned.
Alternatively, the metal laminated gasket according to claim 2.
材質の金属薄板からなる包み材にて環状に包み込んだこ
とを特徴とする請求項1に記載の金属積層型ガスケッ
ト。4. The metal laminated gasket according to claim 1, wherein the gasket having the three-layer structure is annularly wrapped with a wrapping material made of a metal thin plate made of a soft material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7815695A JPH08247293A (en) | 1995-03-09 | 1995-03-09 | Laminated type metal gasket |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7815695A JPH08247293A (en) | 1995-03-09 | 1995-03-09 | Laminated type metal gasket |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH08247293A true JPH08247293A (en) | 1996-09-24 |
Family
ID=13654064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7815695A Pending JPH08247293A (en) | 1995-03-09 | 1995-03-09 | Laminated type metal gasket |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH08247293A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005240956A (en) * | 2004-02-27 | 2005-09-08 | Nippon Valqua Ind Ltd | Sealing device |
JP2007112940A (en) * | 2005-10-21 | 2007-05-10 | Toyota Motor Corp | Sealing structure between members, and gasket |
CN100389279C (en) * | 2006-04-06 | 2008-05-21 | 马志刚 | Metal tube circular moulded sealing washer and its mfg. method |
JP2010053957A (en) * | 2008-08-28 | 2010-03-11 | Nissan Diesel Motor Co Ltd | Gasket |
KR101045068B1 (en) * | 2008-07-25 | 2011-06-29 | 주식회사 국일인토트 | Insulation gasket |
WO2011095236A1 (en) * | 2010-02-08 | 2011-08-11 | Federal-Mogul Sealing Systems Gmbh | Metal seal having an insert that is not resistant to exhaust gas |
JP2012082891A (en) * | 2010-10-08 | 2012-04-26 | Musashino Eng:Kk | Structure and method for sealing flange part of vacuum container |
CN109114346A (en) * | 2018-10-29 | 2019-01-01 | 山东省环能设计院股份有限公司 | A kind of circulating water pipeline internal pressure thrust canceller |
CN110603393A (en) * | 2017-05-03 | 2019-12-20 | 福伊特专利有限公司 | Flange sealing system and installation method |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS579358A (en) * | 1980-06-17 | 1982-01-18 | Ishino Gasket Kogyo Kk | Gasket for turbocharger |
JPH0236291A (en) * | 1987-05-20 | 1990-02-06 | Hitachi Chem Co Ltd | Gasket material and head gasket using said material |
-
1995
- 1995-03-09 JP JP7815695A patent/JPH08247293A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS579358A (en) * | 1980-06-17 | 1982-01-18 | Ishino Gasket Kogyo Kk | Gasket for turbocharger |
JPH0236291A (en) * | 1987-05-20 | 1990-02-06 | Hitachi Chem Co Ltd | Gasket material and head gasket using said material |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005240956A (en) * | 2004-02-27 | 2005-09-08 | Nippon Valqua Ind Ltd | Sealing device |
JP4689177B2 (en) * | 2004-02-27 | 2011-05-25 | 日本バルカー工業株式会社 | Sealing device |
JP2007112940A (en) * | 2005-10-21 | 2007-05-10 | Toyota Motor Corp | Sealing structure between members, and gasket |
CN100389279C (en) * | 2006-04-06 | 2008-05-21 | 马志刚 | Metal tube circular moulded sealing washer and its mfg. method |
KR101045068B1 (en) * | 2008-07-25 | 2011-06-29 | 주식회사 국일인토트 | Insulation gasket |
JP2010053957A (en) * | 2008-08-28 | 2010-03-11 | Nissan Diesel Motor Co Ltd | Gasket |
WO2011095236A1 (en) * | 2010-02-08 | 2011-08-11 | Federal-Mogul Sealing Systems Gmbh | Metal seal having an insert that is not resistant to exhaust gas |
JP2012082891A (en) * | 2010-10-08 | 2012-04-26 | Musashino Eng:Kk | Structure and method for sealing flange part of vacuum container |
CN110603393A (en) * | 2017-05-03 | 2019-12-20 | 福伊特专利有限公司 | Flange sealing system and installation method |
CN110603393B (en) * | 2017-05-03 | 2021-02-02 | 福伊特专利有限公司 | Flange sealing system and installation method |
US11226038B2 (en) | 2017-05-03 | 2022-01-18 | Voith Patent Gmbh | Flange sealing system and method of assembling same |
CN109114346A (en) * | 2018-10-29 | 2019-01-01 | 山东省环能设计院股份有限公司 | A kind of circulating water pipeline internal pressure thrust canceller |
CN109114346B (en) * | 2018-10-29 | 2024-01-26 | 山东省环能设计院股份有限公司 | Internal pressure thrust counteracting device for circulating water pipeline |
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