JPH024285Y2 - - Google Patents
Info
- Publication number
- JPH024285Y2 JPH024285Y2 JP9662484U JP9662484U JPH024285Y2 JP H024285 Y2 JPH024285 Y2 JP H024285Y2 JP 9662484 U JP9662484 U JP 9662484U JP 9662484 U JP9662484 U JP 9662484U JP H024285 Y2 JPH024285 Y2 JP H024285Y2
- Authority
- JP
- Japan
- Prior art keywords
- expanded graphite
- sealing material
- reinforcing metal
- sealing
- metal piece
- 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.)
- Expired
Links
- 239000003566 sealing material Substances 0.000 claims description 29
- 239000002184 metal Substances 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 239000010439 graphite Substances 0.000 claims description 14
- 229910002804 graphite Inorganic materials 0.000 claims description 14
- 239000007770 graphite material Substances 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Gasket Seals (AREA)
- Sealing Devices (AREA)
Description
【考案の詳細な説明】
(イ) 考案の技術分野
この考案は、たとえばパツキン、ガスケツト等
に使用されるようなシール材に関し、さらに詳し
くは高シール性、高耐久性に富む膨張黒鉛製シー
ル材に関する。[Detailed explanation of the invention] (a) Technical field of the invention This invention relates to sealing materials such as those used in packings, gaskets, etc. More specifically, it relates to sealing materials made of expanded graphite that have high sealing properties and high durability. Regarding.
(ロ) 考案の背景
通常、膨張黒鉛材は、耐熱性、耐薬品性、柔軟
性および不浸透性等の密封に適した種々の特性を
有していることからシール材に適していることが
知られている。(b) Background of the invention Generally, expanded graphite materials have various properties suitable for sealing, such as heat resistance, chemical resistance, flexibility, and impermeability, and are therefore suitable for sealing materials. Are known.
しかし、膨張黒鉛材を直接シール材料として使
用したのでは、機器側との装着部分の隙間部に対
し、シール材がはみ出してシール材の体積減少に
よるシール性の低下およびこのシール材が損傷し
て寿命低下の原因となる。また、隙間部へのはみ
出しを防止するために膨張黒鉛材と石綿系の編組
シール材とを組合わせたものもあるが、この場
合、特に耐熱性の点で石綿系の編組シール材が膨
張黒鉛材の持つ本来の特性を減少させる結果とな
る。 However, when expanded graphite material is used directly as a sealing material, the sealing material protrudes into the gap between the attachment part and the equipment side, resulting in a decrease in the volume of the sealing material, resulting in a decrease in sealing performance and damage to the sealing material. This will cause a decrease in service life. In addition, there are products that combine expanded graphite material and asbestos-based braided sealing material to prevent it from protruding into gaps; This results in a reduction in the original properties of the material.
(ハ) 考案の目的
そこでこの考案は、膨張黒鉛材の特性を損なう
ことなく隙間部へのはみ出しを防止することがで
きる膨張黒鉛製シール材の提供を目的とする。(c) Purpose of the invention Therefore, the object of this invention is to provide an expanded graphite sealing material that can prevent extrusion into gaps without impairing the properties of the expanded graphite material.
(ニ) 考案の要約
この考案は、膨張黒鉛材をシール素材に適用
し、その角部を補強用金属片で被覆して一体成形
した膨張黒鉛製シール材であることを特徴とす
る。(d) Summary of the invention This invention is characterized by an expanded graphite sealing material in which an expanded graphite material is applied to the sealing material, the corners of which are covered with reinforcing metal pieces, and integrally molded.
(ホ) 考案の効果
この考案によれば、シール材の角部を補強用の
金属片で被覆保護してあるため、機器との接触対
応面間の隙間部に対しては補強用の金属片が対応
して隙間部へのはみ出しを防止し、このシール材
の体積減少によるシール性の低下およびシール材
の損傷を防止することができ、高シール性および
高耐久性能を得ることができる。(e) Effect of the invention According to this invention, the corners of the sealing material are covered and protected with reinforcing metal pieces, so the reinforcing metal pieces are used in the gaps between the surfaces that come into contact with the equipment. In response, it is possible to prevent the sealing material from protruding into the gap, thereby preventing a reduction in sealing performance and damage to the sealing material due to the volume reduction of the sealing material, and achieving high sealing performance and high durability.
また、補強用金属片に対し切欠凹部を形成した
場合は、装着性が良好となり、また切欠凹部が係
止作用を促して膨張黒鉛材とこの補強用金属片と
の一体化がより確実となる。 In addition, if a notched recess is formed in the reinforcing metal piece, the installation becomes easier, and the notched recess promotes a locking action, making the integration of the expanded graphite material and the reinforcing metal piece more secure. .
さらに、この考案に係る膨張黒鉛製シール材
は、シンプルな構成なので、簡便に製造すること
ができ、加工上の歩留りもよく、様々なシール材
形状に対する適応性にも優れている等の利点を有
する。 Furthermore, the expanded graphite sealing material according to this invention has advantages such as being simple in structure, easy to manufacture, high processing yield, and excellent adaptability to various sealing material shapes. have
(ヘ) 考案の実施例
この考案の一実施例を以下図面に基づいて詳述
する。(F) Embodiment of the invention An embodiment of the invention will be described below in detail based on the drawings.
図面は高温高圧用バルブのボンネツト部に装着
されるような膨張黒鉛製シール材を示し、第１図
および第２図において、この膨張黒鉛製シール材
１は断面四角形状の膨張黒鉛材２を環状に形成
し、その周方向の四隅の角部周縁を、断面Ｌ型状
の補強用金属片３で被覆保護して一体成形する。 The drawings show an expanded graphite sealing material that is attached to the bonnet of a high-temperature, high-pressure valve. In FIGS. The four corner edges in the circumferential direction are covered and protected with reinforcing metal pieces 3 having an L-shaped cross section, and integrally formed.
上述の補強用金属片３は、加工性を考慮して、
金属薄板、たとえばステンレス極薄鋼板を断面Ｌ
型状の環状に形成して使用するものであり、これ
により膨張黒鉛材２の角部は高強度かつ耐摩耗性
が付与される。 The above-mentioned reinforcing metal piece 3 is made in consideration of workability.
A thin metal plate, such as a stainless steel plate, has a cross section L.
The expanded graphite material 2 is used by being formed into an annular shape, thereby imparting high strength and wear resistance to the corners of the expanded graphite material 2.
このように構成された膨張黒鉛製シール材を高
温高圧用バルブの４のボンネツト５内に装着して
使用した場合、シール材１はその内周面が蓋６と
接触対応し、外周面がボンネツト５の内周面と接
触対応した状態にあつて、このシール材１の角部
が、仮に部材間の隙間部に対応したり、強接触す
ることがあつても、角部は補強用金属片３によつ
て被覆保護されているため、膨張黒鉛材２は、は
み出し現象や過負荷を直接受けることがなく、こ
のような保護条件下のもとで膨張黒鉛材２の持つ
耐熱性、耐薬品性、柔軟性および不浸透性等によ
るシール特性を確実に発揮することができる。 When the expanded graphite sealing material constructed in this manner is installed and used in the bonnet 5 of the high-temperature and high-pressure valve 4, the inner peripheral surface of the sealing material 1 comes into contact with the lid 6, and the outer peripheral surface contacts the bonnet. 5, and even if the corners of this sealing material 1 correspond to the gaps between the members or come into strong contact with each other, the corners will not be covered with reinforcing metal pieces. 3, the expanded graphite material 2 is not directly exposed to extrusion phenomena or overload, and under such protective conditions, the heat resistance and chemical resistance of the expanded graphite material 2 are maintained. It is possible to reliably exhibit sealing properties such as elasticity, flexibility, and impermeability.
第３図および第４図はこの考案の他の実施例を
示し、第３図は使用用途に対応させて膨張黒鉛材
３２の一角部を鈍角に形成した断面形状が異なる
膨張黒鉛製シール材３１を示し、この場合は鋭角
部分にのみ補強用金属片３３を被覆すればよい。 3 and 4 show other embodiments of this invention, and FIG. 3 shows an expanded graphite sealing material 31 with a different cross-sectional shape in which one corner of the expanded graphite material 32 is formed at an obtuse angle in accordance with the intended use. In this case, it is sufficient to cover only the acute angle portion with the reinforcing metal piece 33.
また、第４図は補強用金属片４３の長手方向に
一定間隔ごとに円弧形の切欠凹部４０を刻設した
膨張黒鉛製シール材４１を示し、この切欠凹部４
０の係止作用によつてこの補強用金属片４３と膨
張黒鉛材４２との一体化をより確実にした例を示
す。 Further, FIG. 4 shows an expanded graphite sealing material 41 in which arc-shaped notched recesses 40 are carved at regular intervals in the longitudinal direction of a reinforcing metal piece 43.
An example will be shown in which the reinforcing metal piece 43 and the expanded graphite material 42 are more securely integrated by the locking action of 0.
図面はこの考案の一実施例を示し、第１図は膨
張黒鉛製シール材を示す縦断面図、第２図はその
使用状態を示す縦断面図、第３図はこの考案の他
の実施例を示す膨張黒鉛製シール材の縦断面図、
第４図はこの考案の他の実施例を示す膨張黒鉛製
シール材の斜視図である。
１，３１，４１……膨張黒鉛製シール材、２，
３２，４２……膨張黒鉛材、３，３３，４３……
補強用金属片、４０……切欠凹部。
The drawings show one embodiment of this invention; Fig. 1 is a longitudinal sectional view showing an expanded graphite sealing material, Fig. 2 is a longitudinal sectional view showing its use, and Fig. 3 is another embodiment of this invention. A vertical cross-sectional view of an expanded graphite sealing material showing
FIG. 4 is a perspective view of an expanded graphite sealing material showing another embodiment of this invention. 1, 31, 41... Expanded graphite sealing material, 2,
32, 42... Expanded graphite material, 3, 33, 43...
Reinforcing metal piece, 40...notch recess.
Claims (1)
て一体成形したことを特徴とする膨張黒鉛製シ
ール材。 ２ 補強用金属片は断面Ｌ型状を有し、その長手
方向には屈曲を許容する切欠凹部を形成した実
用新案登録請求の範囲第１項記載の膨張黒鉛製
シール材。[Claims for Utility Model Registration] 1. A sealing material made of expanded graphite, characterized in that the corners of the expanded graphite material are covered with reinforcing metal pieces and integrally molded. 2. The expanded graphite sealing material according to claim 1, wherein the reinforcing metal piece has an L-shaped cross section and has a notched recess formed in its longitudinal direction to allow bending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9662484U JPS6111062U (en) | 1984-06-26 | 1984-06-26 | Expanded graphite sealing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9662484U JPS6111062U (en) | 1984-06-26 | 1984-06-26 | Expanded graphite sealing material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6111062U JPS6111062U (en) | 1986-01-22 |
| JPH024285Y2 true JPH024285Y2 (en) | 1990-01-31 |
Family
ID=30656129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9662484U Granted JPS6111062U (en) | 1984-06-26 | 1984-06-26 | Expanded graphite sealing material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6111062U (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9297469B2 (en) * | 2013-03-14 | 2016-03-29 | Fisher Controls International Llc | Valve seat assemblies |
| CN203857065U (en) * | 2013-03-14 | 2014-10-01 | 费希尔控制国际公司 | Sliding stem control valve and sealing component used for high-temperature control valve |
| JP6042379B2 (en) * | 2014-07-08 | 2016-12-14 | 日本バルカー工業株式会社 | SEAL RING AND SEAL STRUCTURE HAVING THE SAME |
-
1984
- 1984-06-26 JP JP9662484U patent/JPS6111062U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6111062U (en) | 1986-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4597583A (en) | Gasket assembly for sealing covers to automotive engines | |
| US5558344A (en) | Exhaust pipe flange gasket | |
| US6039323A (en) | Rubber molded gasket with compression limiter | |
| JP2597071Y2 (en) | gasket | |
| CA2348973A1 (en) | Dual seal assembly | |
| JP3585537B2 (en) | gasket | |
| US4029296A (en) | Diaphragm valve arrangement | |
| WO2017154615A1 (en) | Gasket and sealing device | |
| JPH024285Y2 (en) | ||
| JP2016156448A (en) | Metallic gasket | |
| JPS58179503A (en) | Water-proof mechanism of rolling mill | |
| EP2757290A1 (en) | Seal structure using metal gasket | |
| JPH01320374A (en) | Rubber elastic sealing device between separable two case section | |
| GB2150988A (en) | Gasket structure | |
| JPH0128216B2 (en) | ||
| US11248704B2 (en) | Metal gasket | |
| JPH0741969Y2 (en) | O-ring | |
| JP2004204941A (en) | Gasket | |
| JPH04191571A (en) | Seal for low temperature | |
| JPH063226Y2 (en) | Sealing device | |
| JP4128802B2 (en) | Plasma resistant seal | |
| JPS6018691Y2 (en) | Seal assembly | |
| JPH0318681Y2 (en) | ||
| JPH0435642Y2 (en) | ||
| JPS6319614Y2 (en) |