JPH0792149B2 - Rubber coated metal manufacturing method - Google Patents
Rubber coated metal manufacturing methodInfo
- Publication number
- JPH0792149B2 JPH0792149B2 JP63186786A JP18678688A JPH0792149B2 JP H0792149 B2 JPH0792149 B2 JP H0792149B2 JP 63186786 A JP63186786 A JP 63186786A JP 18678688 A JP18678688 A JP 18678688A JP H0792149 B2 JPH0792149 B2 JP H0792149B2
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- metal plate
- metal
- coated metal
- chromate film
- 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 - Lifetime
Links
- 229910052751 metal Inorganic materials 0.000 title claims description 44
- 239000002184 metal Substances 0.000 title claims description 44
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 230000007774 longterm Effects 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 15
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 8
- 229910052804 chromium Inorganic materials 0.000 description 8
- 239000011651 chromium Substances 0.000 description 8
- 239000012790 adhesive layer Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000002528 anti-freeze Effects 0.000 description 4
- 239000010425 asbestos Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 229910052895 riebeckite Inorganic materials 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/04—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers
- F02B61/045—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers for marine engines
Landscapes
- Gasket Seals (AREA)
- Laminated Bodies (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、自動車エンジン用、船外機用、冷凍機用、エ
アコン用等に用いるメタルガスケットの基板であるラバ
ーコートメタルの製造方法に関するものである。Description: TECHNICAL FIELD The present invention relates to a method for producing a rubber-coated metal, which is a substrate of a metal gasket used for an automobile engine, an outboard motor, a refrigerator, an air conditioner, and the like. Is.
（従来の技術） 従来、自動車エンジン用ガスケットはアスベストの単独
シート、ジョイントシート、ビータシートなどを主材も
しくは複合材とした、いわゆるアスベスト系ガスケット
が汎用されてきた。(Prior Art) Conventionally, as a gasket for an automobile engine, a so-called asbestos-based gasket in which a single sheet of asbestos, a joint sheet, a beater sheet or the like is used as a main material or a composite material has been widely used.
近年、アスベストの公害問題が発端となり、これに代わ
るものとして、メタル、グラファイト、繊維質などを主
材もしくは複合材とした各種の新型ガスケットが実用さ
れるようになった。中でも金属板の表面にゴム層を設け
たメタルガスケットはアスベスト系ガスケットに代わる
新型ガスケットの一つとして、性能および価格の面から
今後の普及が期待されている。In recent years, the pollution problem of asbestos has started, and as an alternative to this, various new gaskets made of metal, graphite, fiber, etc. as the main material or composite material have come into practical use. Among them, the metal gasket having the rubber layer on the surface of the metal plate is expected to be widely used in the future in terms of performance and price as one of the new gaskets replacing the asbestos type gasket.
自動車エンジン用ガスケットとして要求される各種性能
のうち、特にシール性と耐久性が重要であるが、メタル
ガスケットの場合、これらの性能の良否はガスケットの
基板であるラバーコートメタルの金属板とゴム層との間
の接着性に左右される場合が多い。したがって、ラバー
コートメタルの製造に当たっては、金属板へのゴム層の
接着力を高め、かつ使用条件下で、その接着力が低下し
ないよう考慮を払うことが重要である。Of the various performances required for automobile engine gaskets, the sealability and durability are especially important. In the case of metal gaskets, the quality of these performances depends on the metal plate and rubber layer of the rubber-coated metal that is the gasket substrate. Often depends on the adhesion between and. Therefore, in the production of the rubber-coated metal, it is important to increase the adhesive force of the rubber layer to the metal plate and pay attention so that the adhesive force does not decrease under use conditions.
このため、従来は、ラバーコートメタルの製造に当たっ
て、金属板表面に活性化処理を施したり、メッキを施し
たりして金属板と接着剤層さらにはゴム層との間の長期
的接着性を高める方法がとられてきた。しかしながら自
動車エンジンの高性能化が進み、より過酷な条件下で耐
久性が要求されるようになったため、従来品より以上の
性能が得られる新しい製造技術の導入が必要となってき
た。Therefore, conventionally, in the production of rubber-coated metal, the metal plate surface is subjected to activation treatment or plating to enhance long-term adhesion between the metal plate and the adhesive layer and further the rubber layer. The method has been taken. However, as the performance of automobile engines has advanced and durability has been required under more severe conditions, it has become necessary to introduce a new manufacturing technique that can achieve higher performance than conventional products.
（発明が解決しようとする課題） 本発明は前述の事情にかんがみなされたもので、金属板
の表面に接着剤層を設けるに先立って、塗布型クロメー
ト処理剤を塗布・乾燥させることにより、その後の工程
で設けるゴム層の金属板に対する長期接着性をより一層
向上させようとするものである。(Problems to be Solved by the Invention) The present invention has been made in consideration of the above-mentioned circumstances. Prior to providing an adhesive layer on the surface of a metal plate, a coating type chromate treatment agent is applied and dried, It is intended to further improve the long-term adhesiveness of the rubber layer provided in the step to the metal plate.
なお、本発明で塗布型のクロメート処理を行う理由は、
反応型処理、電解処理に比べて操業性が優れており、か
つ本発明の必須要件であるクロメート皮膜の厚さ調整が
容易なためである。The reason for performing the coating type chromate treatment in the present invention is as follows.
This is because the operability is excellent as compared with the reactive type treatment and the electrolytic treatment, and the thickness adjustment of the chromate film, which is an essential requirement of the present invention, is easy.
（課題を解決するための手段） 本発明に係るメタルガスケット用ラバーコートメタルの
製造方法は、金属板にゴム層を接合するにあたり、脱脂
・洗浄した金属板の表面に塗布型クロメート処理剤を塗
布しクロメート皮膜を形成させた後、その金属板を加熱
乾燥させる第１の工程と、第１の工程で形成されたクロ
メート皮膜上にゴム系接着剤を塗布・焼成させる第２の
工程と、さらにその上にゴム混和物を塗布・加流させる
第３の工程処理を施すことにより、クロメート皮膜の形
成によるゴム層の金属板に対する長期接着性の向上を図
ることを特徴とする。(Means for Solving the Problems) The method for producing a rubber-coated metal for a metal gasket according to the present invention is a method of applying a coating type chromate treatment agent to the surface of a degreased and washed metal plate when joining a rubber layer to the metal plate. After forming the chromate film, a first step of heating and drying the metal plate, and a second step of applying and firing a rubber adhesive on the chromate film formed in the first step, and A third step of applying and flowing a rubber admixture thereon is performed to improve the long-term adhesion of the rubber layer to the metal plate by forming a chromate film.
以下、本発明を図面に示す実施例に基づいて詳細に説明
する。Hereinafter, the present invention will be described in detail based on embodiments shown in the drawings.
図は本発明方法によって製造されたラバーコートメタル
の断面図で、１は金属板を、２は第１工程により設けら
れたクロメート皮膜を、３は第２工程により設けられた
接着剤層を、４は第３工程により設けられたゴム層をそ
れぞれ示している。なお、クロメート皮膜２は第１工程
時におけるクロメート処理剤の造膜反応によって形成さ
れる。製造に先立って素材として脱脂・洗浄した所定の
厚さのステンレス鋼板コイルが本発明にかかる製造方法
の第１工程に提供する。The figure is a cross-sectional view of a rubber-coated metal produced by the method of the present invention, where 1 is a metal plate, 2 is a chromate film provided in the first step, and 3 is an adhesive layer provided in the second step. Reference numerals 4 respectively denote the rubber layers provided in the third step. The chromate film 2 is formed by the film forming reaction of the chromate treating agent in the first step. A stainless steel plate coil having a predetermined thickness that has been degreased and washed as a raw material prior to manufacturing is provided in the first step of the manufacturing method according to the present invention.
まず、第１工程では水性クロム組成物を主材とし、これ
に機能性剤を加えた鋼材用クロメート処理剤を塗布し、
クロム付着量20〜200mg/m2のクロム皮膜を形成させた
後、その金属板を150〜200℃に加熱・乾燥させる。この
第１工程によりステンレス鋼板の表面には図に示すよう
にクロム量として20〜200mg/m2程度のクロメート皮膜２
が密着して形成される。First, in the first step, an aqueous chromium composition is used as a main material, and a chromate-treating agent for steel material containing a functional agent is applied to the main material,
After forming a chromium film with a chromium adhesion of 20 to 200 mg / m 2 , the metal plate is heated to 150 to 200 ° C. and dried. As shown in the figure, the chromate film with a chromium content of about 20 to 200 mg / m 2 was formed on the surface of the stainless steel plate by this first step.
Are formed in close contact with each other.
次に、第２工程ではゴム系接着剤をプライマーとして塗
布・焼成させる。この第２工程によりクロメート皮膜２
の上に厚さ５〜30μｍ程度の接着剤層３が密着して形成
される。Next, in the second step, a rubber adhesive is applied and baked as a primer. Chromate film 2 by this second step
An adhesive layer 3 having a thickness of about 5 to 30 μm is formed in close contact therewith.
第３工程では耐熱性のゴム混和物を所定の厚さに塗布・
加硫させる。この第３工程により接着剤層３の上にはゴ
ム層４が密着して形成され、かくしてメタルガスケット
の基板製品であるラバーコートメタルが得られる。In the third step, apply a heat resistant rubber mixture to a specified thickness.
Vulcanize. By this third step, the rubber layer 4 is formed in close contact with the adhesive layer 3, and thus a rubber-coated metal which is a substrate product of a metal gasket is obtained.
この第１工程により形成されるクロメート皮膜は接着力
の増大、スクラッチ性の改善、対水性の向上、耐不凍液
性の向上など実用性能を強化する上で大きな効果があ
る。The chromate film formed by the first step has a great effect on enhancing practical performance such as increase in adhesive strength, scratch resistance, water resistance, and antifreeze resistance.
この効果は、クロム付着量が20〜200mg/m2の範囲内にお
いて、クロム付着量が多くなる程大きくなる。したがっ
てメタルガスケットの使用条件に合わせて、必要とする
クロム付着量を定め、適正量のクロメート処理剤を塗布
することにより、必要かつ十分な実用性能を発揮させる
ことができる。This effect becomes greater as the chromium deposition amount increases, when the chromium deposition amount is in the range of 20 to 200 mg / m 2 . Therefore, the necessary and sufficient practical performance can be exhibited by determining the required amount of chromium adhesion according to the usage conditions of the metal gasket and applying an appropriate amount of the chromate treatment agent.
また、第１工程で塗布したクロメート処理剤を加熱・乾
燥させるにあたり、乾燥温度を150〜200℃の範囲内に保
つと、多核錯体を有するクロメート皮膜が形成されるの
で、特にクロメート皮膜の自己補修能力が大きく成り、
ゴム層の金属板に対する長期接着性を大きく向上させる
働きをする。In addition, when heating and drying the chromate treatment agent applied in the first step, keeping the drying temperature within the range of 150 to 200 ° C. forms a chromate film having a polynuclear complex, so in particular self-repair of the chromate film The ability will increase,
It serves to greatly improve the long-term adhesion of the rubber layer to the metal plate.
さてラバーコートメタルについて、その性能を評価する
試験方法には、エリクセン試験、耐水性試験、耐不凍液
性試験、耐塩水性試験、耐油性試験などがある。また、
メタルガスケットの実用性能として重要なシール性と耐
久性は主として金属板とゴム層との間の長期接着性に左
右される。このため自動車用メタルガスケットの耐久性
試験法としては基板製品であるラバーコートメタルにつ
いて温水耐久試験や耐不凍液性試験を行ない、ゴム層の
長期接着性を確かめることが多い。これらの試験法では
ゴム層が剥離するまでの時間が長いほど、長期接着性が
優れているというと判断することができる。Test methods for evaluating the performance of rubber-coated metal include Erichsen test, water resistance test, antifreeze resistance test, salt water resistance test, oil resistance test, and the like. Also,
The sealability and durability, which are important for the practical performance of the metal gasket, are mainly dependent on the long-term adhesion between the metal plate and the rubber layer. Therefore, as a durability test method for metal gaskets for automobiles, a rubber-coated metal, which is a substrate product, is often subjected to a hot water durability test and an antifreeze resistance test to confirm the long-term adhesion of the rubber layer. In these test methods, it can be judged that the longer the time until the rubber layer is peeled off, the better the long-term adhesiveness is.
本発明の方法による前述の実施例と従来の方法による比
較例について、温水耐久試験と耐不凍液性試験の結果を
表示すれば下表の通りである。The following table shows the results of the hot water durability test and the antifreeze resistance test for the above-described example according to the method of the present invention and the comparative example according to the conventional method.
同表から、本発明の製造方法によれば、第１工程におけ
るクロム付着量が多い程、メタルガスケットの長期接着
性を向上させる上で優れていることを知ることができ
る。 From the table, it can be seen that according to the manufacturing method of the present invention, the greater the amount of chromium deposited in the first step, the better the improvement in long-term adhesion of the metal gasket.
（発明の効果） 以上述べた通り、本発明にかかるラバーコートメタルの
製造方法は塗布型クロメート処理剤を所定の厚さに塗布
し、所定の温度で乾燥させる工程を導入することによ
り、製造ラインの操業性を低下させることなくして、ゴ
ム層の接着性を向上させることができる新しい製造技術
に関するものであり、自動車用ガスケットのシール性と
耐久性を向上させる上で役立つところが大きい。(Effects of the Invention) As described above, the method for producing a rubber-coated metal according to the present invention includes the steps of applying a coating type chromate treatment agent to a predetermined thickness and drying at a predetermined temperature. The present invention relates to a new manufacturing technique capable of improving the adhesiveness of a rubber layer without deteriorating the operability of the rubber, and has a great advantage in improving the sealing property and durability of an automobile gasket.
なお、本発明は自動車用ガスケットばかりでなく、船外
機用、冷凍機用、エアコン用等など各種産業機器用ガス
ケットの製造にも適用し得るものである。The present invention can be applied not only to automobile gaskets, but also to the production of gaskets for various industrial equipment such as outboard motors, refrigerators, and air conditioners.
図は本発明により製造されるラバーコートメタルの断面
図である。図において、１は金属板、２はクロメート皮
膜、３は接着剤層、４はゴム層である。The figure is a cross-sectional view of a rubber-coated metal produced according to the present invention. In the figure, 1 is a metal plate, 2 is a chromate film, 3 is an adhesive layer, and 4 is a rubber layer.
Claims (1)
・洗浄した金属板の表面に塗布型クロメート処理剤を塗
布しクロメート皮膜を形成させた後、その金属板を加熱
乾燥させる第１の工程と、第１の工程で形成されたクロ
メート皮膜上にゴム系接着剤を塗布・焼成させる第２の
工程と、さらにその上にゴム混和物を塗布・加流させる
第３の工程処理を施すことにより、クロメート皮膜の形
成によるゴム層の金属板に対する長期接着性の向上を図
ることを特徴とするメタルガスケット用ラバーコートメ
タルの製造方法。1. When joining a rubber layer to a metal plate, a coating type chromate treatment agent is applied to the surface of a degreased and washed metal plate to form a chromate film, and then the metal plate is heated and dried. Process, a second process of applying and baking a rubber adhesive on the chromate film formed in the first process, and a third process of applying and flowing a rubber mixture on the second process Thus, a method for producing a rubber-coated metal for a metal gasket, which improves the long-term adhesion of a rubber layer to a metal plate by forming a chromate film.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63186786A JPH0792149B2 (en) | 1988-07-28 | 1988-07-28 | Rubber coated metal manufacturing method |
| US07/386,219 US5130203A (en) | 1988-07-28 | 1989-07-28 | Metal gasket and method of producing the same |
| US07/656,512 US5110630A (en) | 1988-07-28 | 1991-02-19 | Metal gasket and method of producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63186786A JPH0792149B2 (en) | 1988-07-28 | 1988-07-28 | Rubber coated metal manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0238760A JPH0238760A (en) | 1990-02-08 |
| JPH0792149B2 true JPH0792149B2 (en) | 1995-10-09 |
Family
ID=16194567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63186786A Expired - Lifetime JPH0792149B2 (en) | 1988-07-28 | 1988-07-28 | Rubber coated metal manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0792149B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0250562U (en) * | 1988-10-03 | 1990-04-09 | ||
| US5574538A (en) * | 1994-09-26 | 1996-11-12 | Ricoh Company, Ltd. | Method and apparatus for removing image forming substance from image holding member forming processing situation mark |
| JP3486404B2 (en) * | 2001-07-16 | 2004-01-13 | 日本リークレス工業株式会社 | Metal gasket blank and method of manufacturing the same |
| DE602004027017D1 (en) | 2003-03-17 | 2010-06-17 | Honda Motor Co Ltd | METAL SEAL FOR CYLINDER HEAD |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0684785B2 (en) * | 1986-10-13 | 1994-10-26 | ユ−サンガスケツト株式会社 | Gasket material and manufacturing method thereof |
-
1988
- 1988-07-28 JP JP63186786A patent/JPH0792149B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0238760A (en) | 1990-02-08 |
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