JPS6357226A - Resin laminated steel plate - Google Patents

Resin laminated steel plate

Info

Publication number
JPS6357226A
JPS6357226A JP61200115A JP20011586A JPS6357226A JP S6357226 A JPS6357226 A JP S6357226A JP 61200115 A JP61200115 A JP 61200115A JP 20011586 A JP20011586 A JP 20011586A JP S6357226 A JPS6357226 A JP S6357226A
Authority
JP
Japan
Prior art keywords
synthetic resin
steel plate
resin layer
resin
metal powder
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
Application number
JP61200115A
Other languages
Japanese (ja)
Other versions
JPH0771833B2 (en
Inventor
吉沢 一成
渡辺 裕吉
郡司 直樹
樺沢 真事
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP61200115A priority Critical patent/JPH0771833B2/en
Publication of JPS6357226A publication Critical patent/JPS6357226A/en
Publication of JPH0771833B2 publication Critical patent/JPH0771833B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、スポット溶接性に優f’した樹11aラミネ
ート鋼板に関する。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a wood 11a laminated steel plate having excellent spot weldability.

〔従来の技術〕[Conventional technology]

2枚の鋼板の間に合成樹脂層を配して形成した合成樹脂
ラミホー1−鋼板は、優れた制振性が評価されて機械あ
るいは建築などの分野へと利用範囲を拡大しつつある。
Synthetic resin Lamiho 1-Steel plates, which are formed by disposing a synthetic resin layer between two steel plates, have been praised for their excellent vibration damping properties, and are now being used in fields such as machinery and architecture.

ところが、このような構成から成る制振鋼板は、その中
間層となっている部分が合成樹脂であり、本質的に非導
電性であることから、バイパス回路を設けるなどの工夫
をしない限すスポット溶接を行うことができず、このこ
とから利用場面に不可避的な制限が加えられているもの
であった。
However, the intermediate layer of vibration-damping steel plates with this structure is made of synthetic resin, and is essentially non-conductive, so unless a bypass circuit is installed, etc. It cannot be welded, and this puts unavoidable restrictions on its usage.

このような欠点を解消するため、最近では中間層を形成
する合成樹脂中にカーボッ粉などの導電性粒子を混練し
たものを使用してス、16ソト溶接を可能にした技術が
開発され、特開昭57−146649号として発表され
ている。
In order to overcome these drawbacks, a technology has recently been developed that uses conductive particles such as carb powder mixed into the synthetic resin that forms the intermediate layer, making it possible to perform 16-way welding. It was published as No. 146649 of 1977.

〔発明が解決しようとする問題点] ところが、このような従来の改良技術に/l解決しなけ
ればならない問題が種々存在するものであった。
[Problems to be Solved by the Invention] However, there are various problems that need to be solved by such conventional improved techniques.

具体的には、例えば、導電性を付与ずろためにカール、
を混入しても、カーボン自体が本来高い導電性を有して
おらず、従って、必要な導電性を期待し、1:うとする
ときには、その混入量を合成樹1脂に対して10〜50
重量%程皿形量を配合しなければならず、その場合は、
中間の合成樹脂層と鋼板との密着性を低下させろという
別の問題を惹起するものであった。
Specifically, for example, curling to impart conductivity,
Even if carbon is mixed in, carbon itself does not inherently have high conductivity, and therefore, when the necessary conductivity is expected and is to be achieved, the amount of carbon added is 10 to 50% per synthetic resin.
A dish-shaped amount of about % by weight must be added, in which case,
Another problem arises in that the adhesion between the intermediate synthetic resin layer and the steel plate is reduced.

これとは別に、カーボン自体の導電性が必ずしも充分で
ないことから、スポット溶接性も通常の鋼板に比較して
劣っており、また、本質的に密着性が低下17ているた
めに、合成樹脂ラミネ−1・鋼板の一ノ°Lス加工の際
には、支障がありその実用性に問題を有するものであっ
た。
Separately, since the conductivity of carbon itself is not necessarily sufficient, its spot weldability is also inferior to that of ordinary steel sheets, and because its adhesion is essentially reduced17, synthetic resin laminates -1. There was a problem in the process of machining a steel plate with a single hole, which caused a problem in its practicality.

〔問題点を解決するための手段〕[Means for solving problems]

このような周囲の状況のなかにあって、種々検討を行っ
た結果、鋼板間に合成tpiJ脂層を配して構成した樹
Ir1ラミネー゛1・鋼板において、平滑状態の合成樹
脂層の厚さdに対して0.8〜1.5dの径を有する金
属粉を10重量%以十含有ずろ金属粉を合成樹脂に対し
て2〜10重量%屁人させた合成樹脂層を鋼板と密着さ
せたことからなる樹脂ラミネ−1・鋼板と、さらに前述
の合成樹脂層を鋼板と密着させろ際に、合成樹脂層を接
着樹脂層を介して鋼板と密着させたことからなる樹lI
r1うくネ−1・鋼板に到達したのである。
Under these circumstances, as a result of various studies, we found that the thickness of the smooth synthetic resin layer in the resin Ir1 laminate 1 steel plate, which is constructed by placing a synthetic TPIJ resin layer between the steel plates. A synthetic resin layer containing 10% by weight or more of metal powder having a diameter of 0.8 to 1.5 d with respect to d and 2 to 10% by weight of the synthetic resin is brought into close contact with the steel plate. A resin laminate 1 consisting of a steel plate, and a resin laminate made of a resin laminate made of a steel plate, and a resin laminate made of a resin laminate made of a steel plate and the synthetic resin layer adhered to the steel plate through an adhesive resin layer.
We have reached r1 Ukune-1 Steel Plate.

〔構成と作用〕[Composition and action]

本発明では、合成樹脂を使用するが、この合成樹脂とし
ては、酸および酸無水物、シ:)Jカッリ。
In the present invention, a synthetic resin is used, and the synthetic resin includes acids, acid anhydrides, and the like.

リング剤などにより変性した熱可塑性細胞まなIJエポ
キシ樹n旨などの熱硬化性樹脂などをf史用ずろことが
できる。
Thermosetting resins such as IJ epoxy resins and other thermoplastic cells modified with a ring agent etc. can be used as materials.

この合成樹脂の厚さdは、その外側に配される鋼板の厚
さによっても変化ずろため、−・律に(,1述へられな
いが、20〜500μm通常はおよそ30〜100μm
の゛範囲のなかから必要に応して適宜選定する。
The thickness d of this synthetic resin varies depending on the thickness of the steel plate placed on the outside, so it is generally 20 to 500 μm (although not mentioned in detail), usually approximately 30 to 100 μm.
Select from the range as necessary.

一方、この合成樹脂(こ配合する金属粉どしては、当然
のことながら高い電気型導度を有し、しかも長期にオ〕
たって金属粒子表面が酸化されにくいものを使用するこ
とが必要であり、この要求に合致するものとしては、例
えば、ニッケル、銅)ステルススチールナトがある。
On the other hand, this synthetic resin (as well as the metal powder it is mixed with) naturally has high electrical conductivity and has a long-lasting effect.
Therefore, it is necessary to use metal particles whose surfaces are not easily oxidized, and examples of metal particles that meet this requirement include stealth steel (nickel, copper).

この場合、入手がしやすいアルミニウムは、酸化膜が生
じやすいという根本的な問題点があり利用しにくいもの
である。
In this case, aluminum, which is easily available, has the fundamental problem of easily forming an oxide film, making it difficult to use.

このような条件に適合した金属粉は、平滑状態の合成樹
脂の厚さdに対して、0.8〜1.5dに相当するもの
が、全体の金属粉中に10重量%以−J二含有している
ものを使用し、金属粉は合成樹脂に対しては2〜10重
量%皿形ずろ。
Metal powder that meets these conditions is such that the total metal powder contains 10% by weight or more of 0.8 to 1.5 d with respect to the thickness d of the smooth synthetic resin. Use the metal powder containing 2 to 10% by weight of the synthetic resin in a saucer shape.

金属粉の配合社は、樹脂ラミネート鋼板の物性に大きな
影響を及ぼす因子であり、この量が2重量%以下であろ
場fマには当然のことながら充分な電導性が得られず、
また、10重量%を超えるときには樹脂ラミネート鋼板
の接着剥離強度が低下して(7まい、良好な結果が得ら
オ]にくくなる。
The amount of metal powder compounded is a factor that greatly affects the physical properties of resin-laminated steel sheets, and if this amount is less than 2% by weight, it will naturally not be possible to obtain sufficient electrical conductivity.
Moreover, when it exceeds 10% by weight, the adhesive peel strength of the resin-laminated steel plate decreases (7%, making it difficult to obtain good results).

このようにして構成した合成樹脂を2枚の鋼板を使用し
てラミネートすると、密着のt:めの加圧しない場面で
は、第1図に示したような形状を構成することになる。
When the synthetic resin constructed in this manner is laminated using two steel plates, a shape as shown in FIG. 1 will be constructed when no pressure is applied during close contact.

図中、1は鋼板、2は合成樹116層、3は金属粉、4
はギャップを示しているものである。
In the figure, 1 is a steel plate, 2 is 116 layers of synthetic wood, 3 is metal powder, 4
indicates a gap.

各素材により第1図に示したような状態を作ったのち加
圧すると、金属粉3は、比較的柔かい材質であることか
ら押潰されて表面は殆ど一様となる。
When a state as shown in FIG. 1 is created using each material and then pressurized, the metal powder 3 is crushed and the surface becomes almost uniform since it is a relatively soft material.

なお、第2図は、第1図に示したものとはぐ回しである
が、接着樹!In層5を加入している点て異なっている
In addition, Figure 2 is similar to the one shown in Figure 1, but it is a glued tree! The difference is that an In layer 5 is added.

両者に対しては、本質的には、同に機能を期待している
のであるが、当然のことながら第2図で示した構成を有
する樹脂ラミネ−1・鋼板は、接着強度の点て第1図に
示したものよりも優れているものである。
Essentially, we expect the same functionality from both, but of course, resin laminate 1 and steel plate having the configuration shown in Figure 2 have the highest adhesive strength. This is superior to that shown in Figure 1.

この接着樹脂層を形成する物質としては、鋼板と中心部
を形成する合成樹111層との密着性を同士させるため
に使用するものであることから、両者に対して親和性を
有する物質ないしは親和性を有する基を分子中に有する
材料の中から選んで使用するが、具体的には例えば、無
水マレイン酸変成高密度ポリエチレノを使用すれば鋼板
とポリエチし、との接着力を向上させることができる。
The material that forms this adhesive resin layer is used to improve the adhesion between the steel plate and the synthetic resin layer 111 that forms the center, so it is necessary to use a material that has an affinity for both the steel plate and the synthetic resin layer 111 that forms the center. For example, if maleic anhydride-modified high-density polyethylene is used, it will be able to polyethylene with a steel plate and improve its adhesive strength. can.

このものは、前述のように単に鋼板と合成樹脂との親和
を図るものであることから、それ自体にはそれほど機械
的強度は必要なく、従って層の厚さ1よ、あまり厚いも
のでなくてもよい。
As mentioned above, this material is simply intended to improve the compatibility between the steel plate and the synthetic resin, so it itself does not require much mechanical strength, so the layer thickness is not so thick as 1. Good too.

上記のように形成された@脂ラミネート鋼板は、鋼板と
中間合成樹脂層との密着力が低下せず、制振性能も通常
のものとほぼ等しい性能を有している。J また、上記のような金属粉を混入させている乙とから、
鋼板間の電導性は確保されており、従って、通常の鋼板
材料のようにスポット溶接を行うことが可能である。
The @fat-laminated steel plate formed as described above does not reduce the adhesion between the steel plate and the intermediate synthetic resin layer, and has vibration damping performance almost equal to that of a normal steel plate. J Also, from Party B who has mixed metal powder as mentioned above,
Electrical conductivity between the steel plates is ensured, so spot welding can be performed like normal steel plate materials.

〔発明の実施例〕[Embodiments of the invention]

以下、具体的に本発明の構成および効果を実施例を示し
て説明する。
Hereinafter, the structure and effects of the present invention will be specifically explained by showing examples.

実施例 1 混入した粒子の大きさの違いにより、合成@脂層の鋼板
に対する密着性がどの程度の影響を受けるかについての
確認実験を行なっlこ。
Example 1 An experiment was conducted to confirm the extent to which the adhesion of the synthetic resin layer to the steel plate was affected by the difference in the size of the mixed particles.

まず、中間の合成VII11層の厚みと導電性粒子の粒
径およびその混入量の関係を調べるため、200メツシ
ユ以下のニッケル粉を合成qj4Its mに2〜20
重量%皿形し、その電気抵抗を調べた。
First, in order to investigate the relationship between the thickness of the intermediate synthetic VII11 layer, the particle size of the conductive particles, and the amount of conductive particles mixed therein, nickel powder of 200 mesh or less was added to the synthetic qj4Its m from 2 to 20 m.
It was shaped into a plate and its electrical resistance was examined.

乙のときに使用したニッケル粉の粒径分布は、次の通り
である。
The particle size distribution of the nickel powder used in case B is as follows.

+200    0.2 +250    2.2 +350   39.4 −350   58.2 また、電気抵抗を調べるための装置の概#5は、第3図
に示したごときものであって、図中6は試験片、7ば定
電流電源、8は電圧計を示している。
+200 0.2 +250 2.2 +350 39.4 -350 58.2 Approximately #5 of the device for examining electrical resistance is as shown in Figure 3, and 6 in the figure is a test piece. , 7 indicates a constant current power supply, and 8 indicates a voltmeter.

銅板の大きさは、1 cm X 2 cm 、圧力は1
 kg / c、rdとして試験を行い、その結果を第
4図に示した。
The size of the copper plate is 1 cm x 2 cm, and the pressure is 1
The test was conducted as kg/c, rd, and the results are shown in Figure 4.

この第4図の挙動からも把握できるように、ニスケル粉
の配合量を、合成樹脂に対して2.5.10および20
重量%とじたが、いずれの場合も斜線部分の内側に納ま
っており、電気抵抗に及ぼす影響は合成樹脂の厚さが最
も大きく影響することが確認できた。
As can be understood from the behavior shown in Figure 4, the amount of Niskel powder added to the synthetic resin was 2.5.10 and 20.
In all cases, the values were within the shaded area, confirming that the thickness of the synthetic resin has the greatest effect on electrical resistance.

乙の傾向は、銅、ステンレスについても同様であった。The same trend was observed for copper and stainless steel.

しかし、アルミニウムを使用した場合では、酸化膜を生
じたため導電性を生じない乙とがわかった。
However, when aluminum was used, it was found that conductivity did not occur due to the formation of an oxide film.

実施例 2 樹脂ラシネート鋼板のスポット溶接性をみるために、2
00メツシユ以下のニッケル、銅、アルミニウム、ステ
ンレスの各金属粉を合成樹脂層にそれぞれ混入させたも
のを用いて樹脂ラミネート鋼板を作り、各々のスポット
溶接試験を行ない、次表の結果を得た。
Example 2 In order to examine the spot weldability of resin laminated steel sheets, 2
Resin-laminated steel plates were made using synthetic resin layers mixed with nickel, copper, aluminum, and stainless steel powders of 0.00 mesh or less, and spot welding tests were conducted on each, with the results shown in the following table.

一9= なお、試験に使用するために合成vI4nv層の厚みを
40.45.50.55.60μmとし、また、金属粉
の混入量を2.5.10.20重量%としたものを用い
、0.6mm厚の冷延鋼板2枚の間にそれぞれの樹脂フ
ィルムを挾持させて形成した樹脂ラミネート鋼板を用い
た。
19= In order to use it for the test, the thickness of the synthetic vI4nv layer was 40.45.50.55.60 μm, and the amount of metal powder mixed was 2.5.10.20% by weight. A resin-laminated steel plate was used, which was formed by sandwiching each resin film between two cold-rolled steel plates having a thickness of 0.6 mm.

ニッケル    Oo  o  Δ  ×銅     
   ○   o   O△   ×ステンレス  O
OO△  × アルミニウム xxxxx 電極先端径: 6Mφ、加圧カニ  250kg f 
/crtr。
Nickel Oo o Δ × Copper
○ o O△ ×Stainless steel O
OO△ × Aluminum xxxxxx Electrode tip diameter: 6Mφ, pressure crab 250kg f
/crtr.

電流:10kA、、通電時間:129./クル/ 50
 Hz 、。
Current: 10kA, energizing time: 129. /kuru/ 50
Hz.

評価方法:○ 良好、八 一部可、× 不可を示してい
る。
Evaluation method: ○ Good, 8 Good, × Bad.

実施例 3 第2図に示した乙とき構成を有する樹脂ラミネート鋼板
を、次の手順により製造した。
Example 3 A resin-laminated steel plate having the structure shown in FIG. 2 was manufactured according to the following procedure.

なお、接着樹脂層としては、無水マレイン酸変−10= 成高密度ポリエチレンを使用した。In addition, as the adhesive resin layer, maleic anhydride modified -10= Made of high-density polyethylene.

中心層を形成する合成樹脂層と接着樹脂層との厚さの関
係は、1: 4:  1および1.:8:1とし、また
合成mu層に配合する導電性粒子は200メツシユ以下
のニッケル粉を10および20重量%とじた。
The thickness relationship between the synthetic resin layer and the adhesive resin layer forming the center layer is 1:4:1 and 1. :8:1, and the conductive particles mixed in the synthetic mu layer were 10 and 20% by weight of nickel powder of 200 mesh or less.

以上のようにして得た合成樹脂ラミネー 1・鋼板につ
いて、耐剥離密着力(以下、P密着力、kg f/cm
)、剪断密着力(以下、S密着力、kgf/cd)およ
びスポット溶接性をテストしたところ次表の結果を得た
Synthetic resin laminate obtained as above 1. Peeling resistance adhesion (hereinafter referred to as P adhesion, kg f/cm) of the steel plate
), shear adhesion force (hereinafter referred to as S adhesion force, kgf/cd), and spot weldability were tested, and the results shown in the following table were obtained.

P密着力   6.0   6.0  5.5  5.
5S密着力 90〜120 90〜120 80〜10
0 80〜100溶接性  良好  良好  良好  
良好なお、溶接条件は、電流 13kA、電極径6閤φ
、加圧力 250kgfであり、また、合成樹脂部分の
1・−タル厚みは50メ1IYIてあった。
P adhesion 6.0 6.0 5.5 5.
5S adhesion 90-120 90-120 80-10
0 80-100 Weldability Good Good Good
Good welding conditions are: current 13kA, electrode diameter 6mm
The pressing force was 250 kgf, and the thickness of the synthetic resin portion was 50 mm.

〔発明の効果〕〔Effect of the invention〕

本発明は、樹脂ラミネート鋼板において、その中間合成
樹脂層中に、導電性が高く、合成a明の厚さdに対して
0.8〜1.5dに相当する粒径部分が10重量%以上
である金属粉を含有する金属粉を樹脂層中に2〜10重
量%配合したものを使用して樹脂ラミネート鋼板を構成
しているので、スポット溶接性の良好な樹脂ラミホー1
−鋼板の促供が可能となり、中間樹脂層と鋼板の密着力
も良好となる。
The present invention provides a resin-laminated steel sheet in which the intermediate synthetic resin layer has high conductivity and has a particle size portion of 0.8 to 1.5 d with respect to the thickness d of the synthetic a light of 10% by weight or more. Since the resin laminated steel sheet is constructed using a resin layer containing 2 to 10% by weight of metal powder containing metal powder, the resin laminated steel plate has good spot weldability.
- It is possible to promote the adhesion of the steel plate, and the adhesion between the intermediate resin layer and the steel plate is also improved.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明に従って構成した樹脂−′)ミ不一1・
鋼板の断面図、第2図は他の実施例により構成した樹脂
ラミネート鋼板の断面図、第3図は電気抵抗測定装置の
回路図、第4図は樹脂ラミネート鋼板における樹脂厚さ
と電気抵抗の関係を示したグラフ、第5図は合成樹脂に
配合した金属粉の量と密着力との関係を示したグラフ、
第6図は合成樹脂に配合した金属粉の量と剪断密着力と
の関係を示したグラフである。 1 鋼板、2 合成樹脂層、3 金属粉、4 空隙、5
 接着樹脂層、6 試験片、7 定電流電源、8 電圧
計。
FIG. 1 shows a resin constructed according to the present invention.
2 is a cross-sectional view of a resin-laminated steel plate constructed according to another example, FIG. 3 is a circuit diagram of an electrical resistance measuring device, and FIG. 4 is a relationship between resin thickness and electrical resistance in a resin-laminated steel plate. Figure 5 is a graph showing the relationship between the amount of metal powder mixed in synthetic resin and adhesion strength.
FIG. 6 is a graph showing the relationship between the amount of metal powder mixed in the synthetic resin and the shear adhesion force. 1 steel plate, 2 synthetic resin layer, 3 metal powder, 4 void, 5
Adhesive resin layer, 6 test piece, 7 constant current power supply, 8 voltmeter.

Claims (2)

【特許請求の範囲】[Claims] (1)鋼板間に合成樹脂層を配して構成した樹脂ラミネ
ート鋼板において、平滑状態の合成樹脂層の厚さdに対
して0.8〜1.5dの径を有する金属粉を10重量%
以上含有する金属粉を合成樹脂に対して2〜10重量%
混入させた合成樹脂層を鋼板と密着させたことからなる
樹脂ラミネート鋼板。
(1) In a resin-laminated steel plate constructed by disposing a synthetic resin layer between steel plates, 10% by weight of metal powder having a diameter of 0.8 to 1.5 d is added to the thickness d of the smooth synthetic resin layer.
Metal powder containing 2 to 10% by weight of synthetic resin
A resin-laminated steel sheet made by adhering a mixed synthetic resin layer to a steel sheet.
(2)鋼板間に合成樹脂層を配して構成した樹脂ラミネ
ート鋼板において、平滑状態の合成樹脂層の厚さdに対
して0.8〜1.5dの径を有する金属粉を10重量%
以上含有する金属粉を合成樹脂に対して2〜10重量%
混入させた合成樹脂層を接着樹脂層を介して鋼板と密着
させたことからなる樹脂ラミネート鋼板。
(2) In a resin-laminated steel plate constructed by disposing a synthetic resin layer between steel plates, 10% by weight of metal powder having a diameter of 0.8 to 1.5 d is added to the thickness d of the smooth synthetic resin layer.
Metal powder containing 2 to 10% by weight of synthetic resin
A resin-laminated steel sheet made by adhering a mixed synthetic resin layer to a steel sheet via an adhesive resin layer.
JP61200115A 1986-08-28 1986-08-28 Resin Laminated Steel Plate Expired - Fee Related JPH0771833B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61200115A JPH0771833B2 (en) 1986-08-28 1986-08-28 Resin Laminated Steel Plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61200115A JPH0771833B2 (en) 1986-08-28 1986-08-28 Resin Laminated Steel Plate

Publications (2)

Publication Number Publication Date
JPS6357226A true JPS6357226A (en) 1988-03-11
JPH0771833B2 JPH0771833B2 (en) 1995-08-02

Family

ID=16419077

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61200115A Expired - Fee Related JPH0771833B2 (en) 1986-08-28 1986-08-28 Resin Laminated Steel Plate

Country Status (1)

Country Link
JP (1) JPH0771833B2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0225326A (en) * 1988-07-15 1990-01-26 Nippon Steel Corp Weldable resin composite steel plate
JPH02227247A (en) * 1989-02-28 1990-09-10 Kobe Steel Ltd Resistance welding type vibration-damping steel sheet
JPH02308828A (en) * 1989-05-25 1990-12-21 Sakai Konpojitsuto Kk Fiber reinforced resin laminate
JPH0347749A (en) * 1989-07-15 1991-02-28 Kobe Steel Ltd Resistance-weldable damping steel plate
JPH03190728A (en) * 1989-12-21 1991-08-20 Nippon Steel Corp Manufacture of resin sandwich type steel plate having excellent weldability
JPH03221446A (en) * 1990-01-26 1991-09-30 Kobe Steel Ltd Weldable damping metal plate
JPH03272843A (en) * 1990-03-23 1991-12-04 Nippon Steel Corp Manufacture of resin sandwich type steel plate superior in weldability

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60912A (en) * 1983-06-11 1985-01-07 Taisei Kako Kk Manufacture of synthetic resin cap equipped with soft sealing member

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60912A (en) * 1983-06-11 1985-01-07 Taisei Kako Kk Manufacture of synthetic resin cap equipped with soft sealing member

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0225326A (en) * 1988-07-15 1990-01-26 Nippon Steel Corp Weldable resin composite steel plate
JPH02227247A (en) * 1989-02-28 1990-09-10 Kobe Steel Ltd Resistance welding type vibration-damping steel sheet
JPH02308828A (en) * 1989-05-25 1990-12-21 Sakai Konpojitsuto Kk Fiber reinforced resin laminate
JPH0347749A (en) * 1989-07-15 1991-02-28 Kobe Steel Ltd Resistance-weldable damping steel plate
JPH03190728A (en) * 1989-12-21 1991-08-20 Nippon Steel Corp Manufacture of resin sandwich type steel plate having excellent weldability
JPH03221446A (en) * 1990-01-26 1991-09-30 Kobe Steel Ltd Weldable damping metal plate
JPH03272843A (en) * 1990-03-23 1991-12-04 Nippon Steel Corp Manufacture of resin sandwich type steel plate superior in weldability

Also Published As

Publication number Publication date
JPH0771833B2 (en) 1995-08-02

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