JPH0273881A - Production of sealing material - Google Patents
Production of sealing materialInfo
- Publication number
- JPH0273881A JPH0273881A JP63224407A JP22440788A JPH0273881A JP H0273881 A JPH0273881 A JP H0273881A JP 63224407 A JP63224407 A JP 63224407A JP 22440788 A JP22440788 A JP 22440788A JP H0273881 A JPH0273881 A JP H0273881A
- Authority
- JP
- Japan
- Prior art keywords
- sealing material
- carbon fiber
- expanded graphite
- graphite powder
- carbon
- 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
- 239000003566 sealing material Substances 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 28
- 239000004917 carbon fiber Substances 0.000 claims abstract description 28
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000011230 binding agent Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 7
- 239000002296 pyrolytic carbon Substances 0.000 claims description 5
- 238000010304 firing Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims 1
- 238000007906 compression Methods 0.000 abstract description 7
- 230000006835 compression Effects 0.000 abstract description 7
- 229910002804 graphite Inorganic materials 0.000 abstract description 7
- 239000010439 graphite Substances 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 abstract description 4
- 239000005011 phenolic resin Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000012298 atmosphere Substances 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 239000007849 furan resin Substances 0.000 abstract description 2
- 229910021382 natural graphite Inorganic materials 0.000 abstract description 2
- 239000007800 oxidant agent Substances 0.000 abstract description 2
- 230000001590 oxidative effect Effects 0.000 abstract description 2
- 229920001568 phenolic resin Polymers 0.000 abstract description 2
- 238000001354 calcination Methods 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 239000011347 resin Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- XPFVYQJUAUNWIW-UHFFFAOYSA-N furfuryl alcohol Chemical compound OCC1=CC=CO1 XPFVYQJUAUNWIW-UHFFFAOYSA-N 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 208000037998 chronic venous disease Diseases 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- -1 para-toluenesulfonic acid methyl ester Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 235000011835 quiches Nutrition 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000011271 tar pitch Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Landscapes
- Ceramic Products (AREA)
- Sealing Material Composition (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は原子力等に使用され、引張り強度、圧縮復元性
及び耐熱性に優れたシール材の製造法に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for manufacturing a sealing material that is used in nuclear power plants and has excellent tensile strength, compression recovery properties, and heat resistance.
（従来の技術）
従来、密封装置等に使用されるパラギン等のシール材は
１石綿繊維基材に潤滑剤笹の補助材を組安定性、耐食性
、耐熱性！に問題がわシ、使用範囲が限定されていた。(Conventional technology) Conventionally, sealing materials such as paragin used in sealing devices, etc. are made by combining an asbestos fiber base material with a lubricant bamboo as an auxiliary material.It has stability, corrosion resistance, and heat resistance! The problem was that the range of use was limited.
この間１ｌｌｌを解決すべく近年可撓性を有し、不浸透
性、耐食性、耐熱性、化学的安定性等にすぐれた膨張黒
鉛製のシール材が用いられるようになってきた。Recently, in order to solve this problem, sealing materials made of expanded graphite, which are flexible, have excellent impermeability, corrosion resistance, heat resistance, chemical stability, etc., have come into use.
（発明が解決しようとする１１１１）
前記、Ｉｌ膨張黒鉛粉みを圧縮成形して得たシート材料
を所望の形状と厚さに積層したパツキン勢のシール材は
１粒子間結合が小さく脆いため、変形破損しやす＜、＊
に折り曲げに対して弱く、取扱いに注意を要するので作
業性が殊いなど種々の欠点があった。(1111 to be solved by the invention) The above-mentioned sealing material of Packkin type, which is made by laminating sheet materials obtained by compression molding Il expanded graphite powder in a desired shape and thickness, has small interparticle bonds and is brittle. Easily deformed and damaged <, *
It has various drawbacks, such as being weak against bending and requiring careful handling, resulting in poor workability.
本発明はこれらの欠点を除去し、化学的安定性。The present invention eliminates these drawbacks and improves chemical stability.
耐熱性にすぐれ、従来の膨張黒鉛材よシも引張り強度及
び圧縮復元性を向上せしめると共に、シール性を保持す
るシール材の製造法を提供するものである。The present invention provides a method for producing a sealing material that has excellent heat resistance, improves tensile strength and compressive recovery properties compared to conventional expanded graphite materials, and maintains sealing properties.
ＣＳａを解決するための手段）
本発明は膨張黒鉛粉に結合材１１−被着させた炭素繊維
を加えて混合して成形し２次いで焼成するシール材の製
造法に関する。Means for Solving CSa) The present invention relates to a method for manufacturing a sealing material in which carbon fiber coated with a binder 11 is added to expanded graphite powder, mixed, molded, and then fired.
本発明において使用する膨張黒鉛粉としては。The expanded graphite powder used in the present invention includes:
公知の方法によって得られるものが使用される。Those obtained by known methods are used.
例えば天然黒鉛、熱分解黒鉛、キッシュ黒鉛等を濃硫酸
、濃硝酸、退散化水素水等の強酸化剤又はこれらの混合
液中に浸漬した後、水洗、脱水を行い、その後６００〜
１３００℃の温度に急熱して膨張処理を行う事によシ原
料黒鉛粉との嵩密度比で１０倍以上の倍率に膨張した膨
張黒鉛粉を用いる。For example, natural graphite, pyrolytic graphite, quiche graphite, etc. are immersed in a strong oxidizing agent such as concentrated sulfuric acid, concentrated nitric acid, and dehydrogenated water, or a mixture thereof, and then washed with water and dehydrated.
Expanded graphite powder is used which has been expanded to a bulk density ratio of 10 times or more compared to the raw material graphite powder by rapidly heating it to a temperature of 1300° C. and carrying out an expansion treatment.
炭素繊維は、シール材の引張り強度を増大するために添
加するものであシ、公知のものを用い。The carbon fiber is added to increase the tensile strength of the sealing material, and a known carbon fiber is used.
表面に結合材を被着させる。A bonding material is applied to the surface.
炭素繊維の形態は短繊維、連続繊維、織布、フェルト状
、マット状の不織布等のいずれでもよいが、短繊維が好
ましい。膨張黒鉛に短繊維を加えるとシール材の異方性
が小さくなり復元特性、摺動特性が向上する。さらに繊
維長は０．５〜５０■とした方が好ましい。繊維長が短
かすぎると強度向上の効果がなく、長すぎると成形性が
悪くなる。The carbon fibers may be in the form of short fibers, continuous fibers, woven fabrics, felt-like, mat-like nonwoven fabrics, etc., but short fibers are preferred. Adding short fibers to expanded graphite reduces the anisotropy of the sealing material and improves its restoring properties and sliding properties. Furthermore, it is preferable that the fiber length is 0.5 to 50 cm. If the fiber length is too short, there will be no effect of improving strength, and if the fiber length is too long, moldability will deteriorate.
膨張黒鉛粉と混合する炭素繊維のシール材中の含有量は
０．５〜２０重量％が好ましい。少々いと強度を向上す
る効果が与られず、多すぎるとシール性が低下する。The content of carbon fiber mixed with expanded graphite powder in the sealing material is preferably 0.5 to 20% by weight. If it is too small, the effect of improving the strength will not be imparted, and if it is too large, the sealing performance will deteriorate.
結合材は、熱硬化性樹脂、タールピッチ等の高分子有機
化合物が用いられ特に制限はないが、炭化収率の高いフ
ェノール樹脂、フラン樹脂等が好ましい。As the binder, a thermosetting resin, a high-molecular organic compound such as tar pitch can be used, and there is no particular limitation, but phenol resin, furan resin, etc., which have a high carbonization yield, are preferable.
炭素繊維に結合材を被着させ、膨張黒鉛粉との結合をよ
くするには、炭素繊維と例えばノボラック型フェノール
樹脂の粉末を混合してもよいが。In order to coat the carbon fibers with a binder and improve their bonding with the expanded graphite powder, the carbon fibers may be mixed with powder of, for example, a novolac type phenol resin.
炭素繊維の表面に充分に被着させるためには１例えば樹
脂フェノのような液状にした結合材を塗布。In order to sufficiently adhere to the surface of the carbon fiber, 1. For example, apply a liquid binding material such as resin phenol.
含浸する。炭素繊維を該結合材中に浸漬する。炭素繊維
と該結合材とを混合するのが好ましい。このあと、その
まま、低温で加熱して溶剤を除去する。又は樹脂を半硬
化状態にした後、膨張黒鉛粉と混合する。Impregnate. Carbon fibers are dipped into the binder. Preferably, the carbon fibers and the binder are mixed. Thereafter, the solvent is removed by heating at a low temperature. Alternatively, after the resin is semi-cured, it is mixed with expanded graphite powder.
膨張黒鉛粉と炭素繊維との混合は公知の混合機を用いて
行い９次いで公知の圧縮プレス、静水圧プレス等を用い
て成形する。好ましくは熱圧成形して結合材を硬化させ
る。最後に非酸化性の雰囲気で約１０００℃で焼成して
結合材を炭化して。The expanded graphite powder and carbon fibers are mixed using a known mixer, and then molded using a known compression press, isostatic press, or the like. Preferably, the bonding material is cured by hot pressing. Finally, the binder is carbonized by firing at approximately 1000°C in a non-oxidizing atmosphere.
シール材とされる。It is used as a sealing material.
結合材の添加量は、シール材中の結合材の炭化物が０．
５〜１５重量％となる量が好ましい。結合材が少ないと
膨張黒鉛粉と炭素繊維を結合する効果が弱く、多すぎる
と結合材が膨張黒鉛粉中に浸透して圧縮復元性（シール
材の可撓性）が低下する。The amount of binder added is such that the amount of carbide in the binder in the sealant is 0.
An amount of 5 to 15% by weight is preferred. If the binding material is too small, the effect of binding the expanded graphite powder and carbon fibers will be weak, and if it is too large, the binding material will penetrate into the expanded graphite powder, reducing compression recovery properties (flexibility of the sealing material).
更に膨張黒鉛粉と炭素繊維との接着力を増すために２例
えばＣＶＤにより熱分解炭素を被覆したＰＡＮ系炭素炭
素質繊維膨張黒鉛粉の製法と同じ方法で膨張化処理し、
熱分解炭素だけを膨張させた材料を前記炭素繊維と同様
にして使用してもよい。Furthermore, in order to increase the adhesive strength between the expanded graphite powder and the carbon fibers, the expanded graphite powder is expanded using the same method as the manufacturing method of the expanded graphite powder, which is a PAN-based carbonaceous fiber coated with pyrolytic carbon, for example, by CVD.
A material obtained by expanding only pyrolytic carbon may be used in the same manner as the carbon fiber.
（実施例） 以下本発明の詳細な説明する。(Example) The present invention will be explained in detail below.
実施例１
一
鱗状黒鉛を濃硫酸と濃硝酸との混合液に浸漬し水洗し乾
燥した後、１２００℃の急熱して高密度が０００２ｇ／
ａｍ３の膨張黒鉛粉を得た。一方、７μｍφの炭素連続
繊維（東邦ベスロン製、ベスファイト）をフェノール樹
脂ワニス（日立化成工業製、ＶＰＩＩＮ）中に３時間浸
漬後取出し、５０℃で減圧乾燥して溶剤（メタノール）
を除去し。Example 1 Graphite scales were immersed in a mixture of concentrated sulfuric acid and concentrated nitric acid, washed with water, dried, and then rapidly heated to 1200°C to achieve a high density of 0002g/
An am3 expanded graphite powder was obtained. On the other hand, carbon continuous fibers with a diameter of 7 μm (Besphite, manufactured by Toho Veslon) were immersed in phenolic resin varnish (VPIIN, manufactured by Hitachi Chemical Co., Ltd.) for 3 hours, taken out, dried under reduced pressure at 50°C, and then treated with a solvent (methanol).
Remove.
長さ２５謳に切断した。この樹脂被着炭素繊維１０重量
部及び前記膨張黒鉛粉８０重量部を■型混合機で混合し
た混合粉を金型に入れ、１６０℃で熱圧成形して樹脂を
硬化させた。この成形体を窒素ガス雰囲気下徐々に昇温
し、１０００℃で１時間焼成し、密度が１．５ ｇ／ｃ
ｍ”のシール材を得た。It was cut into 25 lengths. A mixed powder prepared by mixing 10 parts by weight of this resin-coated carbon fiber and 80 parts by weight of the expanded graphite powder using a type 2 mixer was placed in a mold, and hot-press molded at 160° C. to harden the resin. The temperature of this compact was gradually raised in a nitrogen gas atmosphere and baked at 1000°C for 1 hour, resulting in a density of 1.5 g/c.
A sealing material having a size of 1.5 m was obtained.
尚シール材中の樹脂炭化物の含有量は０，８重量％でち
った。The content of resin carbide in the sealing material was 0.8% by weight.
実施例２
結合材にフルフリルアルコール初期給金物（日立化成工
業製、ＶＦ３０３）に硬化剤としてパラトルエンスルホ
ン酸メチルエステルヲ１ ｌｉ量％ 添加したものを用
いた以外は実施例１と同様にして。Example 2 The same procedure as in Example 1 was carried out except that the binder was a furfuryl alcohol initial charge (manufactured by Hitachi Chemical Co., Ltd., VF303) and 1 li% of para-toluenesulfonic acid methyl ester was added as a hardening agent. .
密度１．４９１０１１”のシール材を得た。尚シール材
中の樹脂炭化物の含有量はα６重量％であった。A sealing material having a density of 1.491011'' was obtained.The content of resin carbide in the sealing material was α6% by weight.
実施例３
実施例１における樹脂被着前の炭素繊維をＣＶＤ処理し
た。即ち１１００℃で窒素ガス稀釈のベンゼンガス（混
合ガス中のベンゼン含有量４４６体積チ）を６００時間
供給し、炭素繊維に熱分解炭素を被覆し九。次いでこの
炭素繊維を実施例１における膨張黒鉛粉の製造と同じ方
法で膨張化処理し。Example 3 The carbon fibers in Example 1 before being coated with resin were subjected to CVD treatment. That is, benzene gas diluted with nitrogen gas (benzene content in the mixed gas: 446 vol. h) was supplied at 1100° C. for 600 hours to coat the carbon fibers with pyrolytic carbon. Next, this carbon fiber was subjected to expansion treatment in the same manner as in the production of expanded graphite powder in Example 1.
表面の熱分解炭素を膨張させた後、実施何重と同様にし
て樹脂を被着し、以下実施例１と同様にして膨張黒鉛粉
と混合、成形、焼成して、密度Ｌ５Ｇ／ｃｆｆｌ”のシ
ール材を得た。After expanding the pyrolytic carbon on the surface, resin was applied in the same manner as in the previous example, and then mixed with expanded graphite powder, molded, and fired in the same manner as in Example 1 to obtain a material with a density of L5G/cffl''. A sealing material was obtained.
比較例
実施例１で用いた膨張黒鉛粉だけを成形し、密度１４ｇ
／ｃａ”のシール材を得た。Comparative Example Only the expanded graphite powder used in Example 1 was molded, and the density was 14g.
/ca'' sealing material was obtained.
実施例で得られた３種類のシール材及び比較例で得られ
た炭素繊維及び結合材を含まないシール材について特性
を測定した結果を第１表に示す。Table 1 shows the results of measuring the characteristics of the three types of sealing materials obtained in the Examples and the sealing materials containing no carbon fiber and binder obtained in the Comparative Examples.
第１表
注）圧縮率、復元率は人８ＴＭ Ｆ−３６−Ｇ（荷重
ａ ５２ ｋｇ／ａｎ”）によった。Table 1 Note) The compression rate and recovery rate were based on Human 8TM F-36-G (load a 52 kg/an'').
第１表から、実施例のシール材は比較例のシール材に比
べて引張シ強度が著しく増大し、圧縮率が適度であシ、
復元率も向上していることが明らかである。From Table 1, it can be seen that the sealing material of the example has significantly increased tensile strength and moderate compression ratio compared to the sealing material of the comparative example.
It is clear that the recovery rate has also improved.
（発明の効果）
本発明によれば、炭素繊維の補強によシ引張ル強度は膨
張黒鉛単体に比して格段に大きく、従って取扱いが容易
となシ２作業性が一段と向上すると共に圧縮復元性及び
耐熱性にもすぐれたシール材が得られる。(Effects of the Invention) According to the present invention, the tensile strength is much higher than that of expanded graphite alone due to reinforcement of carbon fiber, and therefore handling is easy.2 Workability is further improved, and compression and recovery are achieved. A sealing material with excellent properties and heat resistance can be obtained.
特許出願人 工業技術院長 飯塚幸＝Patent applicant Yuki Iizuka, Director of the Agency of Industrial Science and Technology
Claims (3)
混合して成形し，次いで焼成することを特徴とするシー
ル材の製造法。1. A method for manufacturing a sealing material, characterized by adding carbon fiber coated with a binder to expanded graphite powder, mixing and shaping, and then firing.
に記載のシール材の製造法。2. Claim 1: The carbon fiber has a length of 0.5 to 50 mm.
The manufacturing method of the sealing material described in .
施した炭素繊維である請求項１又は２に記載のシール材
の製造法。3. 3. The method for manufacturing a sealing material according to claim 1, wherein the carbon fiber is a carbon fiber coated with pyrolytic carbon and then subjected to an expansion treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63224407A JPH0273881A (en) | 1988-09-09 | 1988-09-09 | Production of sealing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63224407A JPH0273881A (en) | 1988-09-09 | 1988-09-09 | Production of sealing material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0273881A true JPH0273881A (en) | 1990-03-13 |
| JPH0553190B2 JPH0553190B2 (en) | 1993-08-09 |
Family
ID=16813281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63224407A Granted JPH0273881A (en) | 1988-09-09 | 1988-09-09 | Production of sealing material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0273881A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102604594A (en) * | 2012-02-08 | 2012-07-25 | 太原市小店区志达机械加工厂 | Preparation method of high-temperature composite sealing material |
| JP2013516374A (en) * | 2009-12-31 | 2013-05-13 | エスゲーエル カーボン ソシエタス ヨーロピア | Graphite-containing molded body and method for producing the same |
| EP1440955B1 (en) * | 2003-01-24 | 2017-04-05 | Eagle Industry Co., Ltd. | A seal assembly containing a sliding element and the use of a sliding element for seals |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5292216A (en) * | 1976-01-30 | 1977-08-03 | Nippon Carbon Co Ltd | Flexible graphite sheet materials |
| JPS63280787A (en) * | 1987-05-13 | 1988-11-17 | Asahi Chem Ind Co Ltd | Composition for gasket |
| JPS63280789A (en) * | 1987-05-13 | 1988-11-17 | Asahi Chem Ind Co Ltd | Composition for gasket |
| JPS63280788A (en) * | 1987-05-13 | 1988-11-17 | Asahi Chem Ind Co Ltd | Composition for gasket |
| JPS63280786A (en) * | 1987-05-13 | 1988-11-17 | Asahi Chem Ind Co Ltd | Composition for gasket |
-
1988
- 1988-09-09 JP JP63224407A patent/JPH0273881A/en active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5292216A (en) * | 1976-01-30 | 1977-08-03 | Nippon Carbon Co Ltd | Flexible graphite sheet materials |
| JPS63280787A (en) * | 1987-05-13 | 1988-11-17 | Asahi Chem Ind Co Ltd | Composition for gasket |
| JPS63280789A (en) * | 1987-05-13 | 1988-11-17 | Asahi Chem Ind Co Ltd | Composition for gasket |
| JPS63280788A (en) * | 1987-05-13 | 1988-11-17 | Asahi Chem Ind Co Ltd | Composition for gasket |
| JPS63280786A (en) * | 1987-05-13 | 1988-11-17 | Asahi Chem Ind Co Ltd | Composition for gasket |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1440955B1 (en) * | 2003-01-24 | 2017-04-05 | Eagle Industry Co., Ltd. | A seal assembly containing a sliding element and the use of a sliding element for seals |
| JP2013516374A (en) * | 2009-12-31 | 2013-05-13 | エスゲーエル カーボン ソシエタス ヨーロピア | Graphite-containing molded body and method for producing the same |
| CN102604594A (en) * | 2012-02-08 | 2012-07-25 | 太原市小店区志达机械加工厂 | Preparation method of high-temperature composite sealing material |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0553190B2 (en) | 1993-08-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3936535A (en) | Method of producing fiber-reinforced composite members | |
| JPH0231033B2 (en) | ||
| JPH03150266A (en) | Production of carbon/carbon composite material | |
| JPH0273881A (en) | Production of sealing material | |
| JPH0365505A (en) | Low density swollen graphite molded product and preparation thereof | |
| JPS62138361A (en) | Manufacture of high density formed body from carbon material | |
| JPS62275009A (en) | Impermeable carbon material and its production | |
| JP2660515B2 (en) | Graphite crucible | |
| JPS63112464A (en) | Manufacture of carbon fiber reinforced carbon material | |
| JP3138718B2 (en) | Method for producing carbon fiber reinforced carbon material | |
| JPH0211546B2 (en) | ||
| JPH01264967A (en) | Production of graphite molding | |
| JPH01294507A (en) | Production of carbon or graphite material | |
| JPH06190962A (en) | Molded heat insulating material | |
| KR0130536B1 (en) | Process for making carbon fiber reinforced carbon composite material | |
| JP2678291B2 (en) | Plate-shaped carbon composite material and manufacturing method thereof | |
| TWI308523B (en) | Method for bonding high-temperature carbon composite | |
| JPS62274559A (en) | Manufacture of composite electrode for fuel cell | |
| JPS63967A (en) | Manufacture of electrode base plate for fuel cell | |
| JPH03197360A (en) | Production of carbon fiber-reinforced carbon material | |
| JPS6126563A (en) | Manufacture of oxidation-resistant carbon fiber reinforced carbon material | |
| JP2762291B2 (en) | Manufacturing method of carbonaceous push rod | |
| JPH01257167A (en) | Composite material and its production | |
| JP2536513B2 (en) | Manufacturing method of impermeable carbon material | |
| JPS62288180A (en) | Manufacture of graphitic resin composite material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |