JP3020113B2 - Improved acrylic resin coating and its manufacturing method. - Google Patents
Improved acrylic resin coating and its manufacturing method.Info
- Publication number
- JP3020113B2 JP3020113B2 JP2286838A JP28683890A JP3020113B2 JP 3020113 B2 JP3020113 B2 JP 3020113B2 JP 2286838 A JP2286838 A JP 2286838A JP 28683890 A JP28683890 A JP 28683890A JP 3020113 B2 JP3020113 B2 JP 3020113B2
- Authority
- JP
- Japan
- Prior art keywords
- acrylic resin
- rubber latex
- improved
- film
- resin 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
- 239000004925 Acrylic resin Substances 0.000 title claims description 43
- 229920000178 Acrylic resin Polymers 0.000 title claims description 43
- 238000000576 coating method Methods 0.000 title claims description 16
- 239000011248 coating agent Substances 0.000 title claims description 12
- 238000004519 manufacturing process Methods 0.000 title description 5
- 229920000126 latex Polymers 0.000 claims description 28
- 239000000839 emulsion Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000004132 cross linking Methods 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000013329 compounding Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 15
- 239000011358 absorbing material Substances 0.000 description 9
- 229920005830 Polyurethane Foam Polymers 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- 239000011496 polyurethane foam Substances 0.000 description 7
- 239000004816 latex Substances 0.000 description 6
- 229920001084 poly(chloroprene) Polymers 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 238000001035 drying Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 102200150779 rs200154873 Human genes 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
- Paper (AREA)
Description
【発明の詳細な説明】 （利用分野） 本発明は改良されたアクリル樹脂被膜及びその製法に
係り、主としてポリウレタンフォームを基材とする吸音
材の被膜に利用されるものである。Description: FIELD OF THE INVENTION The present invention relates to an improved acrylic resin film and a method for producing the same, and is mainly used for a film of a sound absorbing material based on polyurethane foam.
（従来技術） アクリル樹脂被膜はその優れた耐候性、耐油性及び耐
薬品性、更には柔軟性を有していることから、物品の表
皮材として近年好んで使用されている。(Prior Art) Acrylic resin coatings have recently been favorably used as skin materials for articles because of their excellent weather resistance, oil resistance, chemical resistance, and flexibility.
又、かかる樹脂は作業環境上からもエマルジョンタイ
プでも供給されるために問題はなく、更に樹脂としても
着色が自由でありコスト的にも高価ではなくその利用範
囲は広範囲にわたっている。In addition, there is no problem because such a resin is supplied from the working environment and also in the form of an emulsion. Further, the resin can be freely colored, is not expensive in terms of cost, and has a wide range of use.
ただし、このアクリル樹脂被膜も全く問題がないわけ
ではなく、例えば製品保管中に比較的長時間にわたり被
膜同士が密着した場合、特に30℃以上の高温化での密着
の際には、被膜がくっついてしまい、無理に剥そうとす
ると被膜が破れてしまうことがあって、かかる意味では
取扱いに充分注意をはらわなければならないことにな
る。However, this acrylic resin film is not without problems at all, for example, when the films adhere to each other for a relatively long time during product storage, especially when they adhere at a high temperature of 30 ° C or more, the films adhere to each other. If it is forcibly peeled off, the coating may be broken, and in such a sense, sufficient care must be taken in handling.
このためアクリル樹脂としてガラス転移点の高いもの
を使用することも検討されてはいるが、被膜としての柔
軟性が損われ、例えばこれを用いた吸音材にあっては吸
音率が低下するという欠点があるため、特に吸音材の表
面に用いるには更に改良すべき問題があった。For this reason, the use of an acrylic resin with a high glass transition point is being studied, but the flexibility of the coating is impaired, and for example, the sound absorbing material using this has a disadvantage that the sound absorbing coefficient is reduced. Therefore, there is a problem that should be further improved especially when used on the surface of the sound absorbing material.
このくっつき（タック）の原因としてはアクリル分子
鎖が比較的自由に分子運動が可能なため、アクリル樹脂
被膜同士を密着させた場合、互いの分子鎖同士が分子の
熱運動によって異常に接近して、分子間力が働くためと
思われる。The cause of this sticking (tack) is that the molecular chains of the acrylic molecules can move relatively freely, so when the acrylic resin coatings are brought into close contact, the molecular chains of each other abnormally approach each other due to the thermal motion of the molecules. It seems that intermolecular force works.
また、もうひとつの欠点は例えば吸音材としてポリウ
レタンフォーム表面にアクリル樹脂被膜を形成した場
合、吸音材としての難燃性が低下するという問題があ
る。Another disadvantage is that, for example, when an acrylic resin film is formed on the surface of a polyurethane foam as a sound absorbing material, there is a problem that flame retardancy as the sound absorbing material is reduced.
即ち、吸音材は使用される雰囲気が高温下であった
り、火花が散る個所であったりすることがあり、このた
め用いられるポリウレタンフォーム材料は難燃性のもの
を用いるのが一般的であるが、これにアクリル樹脂被膜
を貼合せることによってポリウレタンフォーム単体での
難燃性よりもその性能が低下してしまうことになる。That is, the sound-absorbing material may be used in a high-temperature atmosphere or in places where sparks are scattered. For this reason, it is common to use a flame-retardant polyurethane foam material. However, by laminating an acrylic resin film on this, the performance is lower than the flame retardancy of the polyurethane foam alone.
（課題） 本発明は、以上の点に鑑みアクリル樹脂被膜のタック
を防止すると共に難燃性をも付与した被膜にかかり、更
にその新規な製法を提供しようとするものである。(Problem) In view of the above points, the present invention is directed to a film that prevents tackiness of an acrylic resin film and also imparts flame retardancy, and further provides a novel production method thereof.
（解決手段） 本発明は以上の課題を解決するためになされたもの
で、その要旨の第１は、アクリル樹脂エマルジョンに、
ゴムラテックスと加硫剤及びその他の配合剤を配合し、
工程紙上に塗工し乾燥したことを特徴とする改良された
アクリル樹脂被膜にかかり、ゴムラテックスの配合量
が、固形分重量当りアクリル樹脂対比で0.1〜２好まし
くは0.2〜１であり、特に言えばゴムラテックスがクロ
ロプレンゴムラテックスであるアクリル樹脂被膜を提供
するものである。(Solution) The present invention has been made to solve the above problems, and the first of the gist is to provide an acrylic resin emulsion with:
Compound rubber latex with vulcanizing agent and other compounding agents,
It is applied to an improved acrylic resin film characterized by being coated on a process paper and dried, and the compounding amount of rubber latex is 0.1 to 2, preferably 0.2 to 1, relative to the acrylic resin per weight of solid content. For example, an acrylic resin coating in which the rubber latex is chloroprene rubber latex is provided.
そしてその第２は、アクリル樹脂被膜の製法であっ
て、アクリル樹脂エマルジョン中に、固形分重量当りア
クリル樹脂対比で0.1〜２のゴムラテックスと加硫剤を
配合し、これを離型性のある工程紙上に塗工し、乾燥す
ることによってゴム分の架橋と同時にアクリル樹脂被膜
を形成し、次いで前記被膜上に接着剤を塗工することを
特徴とする被接着物への接着用アクリル樹脂被膜の製法
を提供するものである。The second is a method for producing an acrylic resin film, in which a rubber latex and a vulcanizing agent are compounded in an acrylic resin emulsion in a proportion of 0.1 to 2 per acrylic resin per weight of solid content, and this is releasable. Acrylic resin film for bonding to an object to be bonded, characterized in that an acrylic resin film is formed simultaneously with crosslinking of rubber by coating on process paper and drying, and then an adhesive is coated on the film. Is provided.
本発明は以上のようにアクリル樹脂100％の被膜では
防着性に問題があるため、アクリル樹脂本来の特性を活
かしつつ、ゴムラテックスを添加することでくっつき性
を改善するものであって、アクリル樹脂とゴムラテック
スの混合比は0.1〜２、好ましくは0.2〜１更に好ましく
は0.2〜0.5である。As described above, the present invention has a problem in adhesion resistance with a coating of 100% acrylic resin, so that the adhesion property is improved by adding rubber latex while utilizing the inherent properties of acrylic resin. The mixing ratio of the resin and the rubber latex is 0.1 to 2, preferably 0.2 to 1, and more preferably 0.2 to 0.5.
この最適添加量は混合するゴムラテックスの種類やコ
スト、更には被膜特性に与える効果によってこの範囲内
で決定し得る。The optimum addition amount can be determined within this range depending on the type and cost of the rubber latex to be mixed and the effect on the film properties.
ここでゴムラテックスとしてクロロプレンゴムラテッ
クスを例にとれば、アクリル樹脂に対して0.2を越えた
ところで防着効果がそれ以上向上しなくなる。Here, if chloroprene rubber latex is taken as an example of the rubber latex, if it exceeds 0.2 with respect to the acrylic resin, the anti-adhesion effect cannot be further improved.
このため、クロロプレンゴムラテックスにおいては高
価なこともあり0.2〜0.5以上の添加はコスト的に望まし
くない。For this reason, the chloroprene rubber latex may be expensive, and the addition of 0.2 to 0.5 or more is not desirable in terms of cost.
（作用） 一般に、樹脂中の分子運動を抑制するためには分子鎖
を架橋する方法が通常であるが、アクリル樹脂中の分子
鎖を直接架橋する技術は一般的ではなくコスト面でも不
利である。(Action) In general, a method of cross-linking a molecular chain is usually used to suppress molecular motion in a resin, but a technique of directly cross-linking a molecular chain in an acrylic resin is not general and disadvantageous in cost. .
そこで本発明では安価で架橋技術の最も研究されてい
るゴム分子をアクリル樹脂と混合し、ゴム分子の方を架
橋させることとしたものである。Therefore, in the present invention, rubber molecules, which are inexpensive and most studied in the crosslinking technique, are mixed with an acrylic resin, and the rubber molecules are crosslinked.
このことにより架橋されたゴム分子の網がアクリル分
子の自由な運動を抑制するために密着した被膜同士のく
っつきを防止することができる。As a result, the network of crosslinked rubber molecules suppresses the free movement of the acrylic molecules, so that it is possible to prevent the adhered films from sticking to each other.
更にこの方法ではアクリルエマルジョンにゴムラテッ
クスを混ぜた液で被膜を形成すれば良いため、作業環境
上、水を溶媒として使用でき有害な有機溶剤を使用しな
くてもよい。Furthermore, in this method, since a film may be formed with a liquid obtained by mixing a rubber latex with an acrylic emulsion, water can be used as a solvent in a work environment, and a harmful organic solvent does not need to be used.
又、特別な乾燥炉も必要としないために非常に有利で
ある。It is also very advantageous because no special drying oven is required.
またゴムラテックスは種類も多く目的に応じて耐油
性、難燃性、強度アップなどの特性をアクリルエマルジ
ョンとの組合せで自由に選ぶことができる。In addition, there are many types of rubber latex, and characteristics such as oil resistance, flame retardancy and strength increase can be freely selected in combination with an acrylic emulsion according to the purpose.
但しこの選択においてアクリル樹脂エマルジョン及び
ゴムラテックス双方の安定性を阻害しない組合せを選ぶ
必要がある。However, in this selection, it is necessary to select a combination which does not hinder the stability of both the acrylic resin emulsion and the rubber latex.
例えば、本発明においては、クロロプレンゴムラテッ
クス、NBRゴムラテックス、SBRゴムラテックス等が好適
に用いられるが、特にクロロプレンゴムラテックスは双
方の安定性、防着性の面で良好である。又、難燃性の向
上にも効果があり特に好ましい。For example, in the present invention, chloroprene rubber latex, NBR rubber latex, SBR rubber latex and the like are preferably used, and chloroprene rubber latex is particularly excellent in both stability and anti-adhesion properties. It is also particularly effective because it also has an effect on improving the flame retardancy.
さらにクロロプレンは耐候性、耐油性も優れており、
このブレンドによってアクリル樹脂のこれらの特性を阻
害することがない。Furthermore, chloroprene has excellent weather resistance and oil resistance,
This blend does not interfere with these properties of the acrylic resin.
（試験例） この試験においては、アクリル樹脂エマルジョン中に
ゴムラテックスとしてクロロプレンゴムラテックスを使
用し、アクリル樹脂被膜同士の剥離力（防着性）を測定
し、その耐候性、耐油性、難燃性等の試験を行った。(Test Example) In this test, chloroprene rubber latex was used as a rubber latex in an acrylic resin emulsion, the peeling force (adhesion resistance) between the acrylic resin films was measured, and the weather resistance, oil resistance, and flame retardancy were measured. And other tests.
アクリル樹脂被膜は、第１表に示す各配合に基づき工
程紙上に100μ程度に塗工し、100℃、２分半程乾燥・架
橋させる。The acrylic resin film is applied on a process paper to a thickness of about 100 μm based on each composition shown in Table 1, and dried and crosslinked at 100 ° C. for about two and a half minutes.
次に本発明によるアクリル樹脂皮膜の防着効果を吸音
材に使用した場合の例で試験した。Next, the anti-adhesion effect of the acrylic resin film according to the present invention was tested in an example where it was used as a sound absorbing material.
即ち、10mmの厚さを持つ軟質ポリウレタンフォームに
実施例１〜５にて成形したアクリル樹脂被膜を接着し、
これを幅5cm、長さ25cmにカットしたものを試験片と
し、これを被膜を内側にして二つに折り畳み厚さ1mm、
幅5cm、長さ15cmの亜鉛板で挟み、その上に1kgの重りを
乗せて50℃のオーブン中に３日間放置した。That is, the acrylic resin film formed in Examples 1 to 5 is bonded to a flexible polyurethane foam having a thickness of 10 mm,
This was cut into 5 cm wide and 25 cm long as test specimens, folded in two with the coating inside, and 1 mm thick,
It was sandwiched between zinc plates 5 cm in width and 15 cm in length, and a 1 kg weight was placed thereon and left in an oven at 50 ° C. for 3 days.
その後、オーブンから取り出して二つ折りにくっつい
た試験片を引張試験機で200mm/minの早さで引き剥し（1
80度剥離試験）その時の荷重を測定した。After that, the test piece was taken out of the oven and stuck in two folds and peeled off at a speed of 200 mm / min using a tensile tester (1
80 degree peel test) The load at that time was measured.
また耐候性、耐油性、難燃性試験の概要は次の通りで
ある。The outline of the weather resistance, oil resistance and flame retardancy tests is as follows.
耐候性試験は東洋理化工業（株）の全自動万能試験機
WE−２型、スタンダードウエザーメーターにより試験し
た。照射は２灯照射であり、シャワー条件は１回/15分
で、600時間経過後の外観の評価である。Weathering test is a fully automatic universal testing machine of Toyo Rika Kogyo Co., Ltd.
The test was performed using a WE-2 type standard weather meter. Irradiation was performed using two lamps, and the shower condition was evaluated once per 15 minutes, and the appearance was evaluated after 600 hours.
耐油性試験は、約4cm角のサンプルに約1grのエンジン
オイルを塗り、20分経過後のサンプルの膨潤の様子を観
察したものである。In the oil resistance test, about 1 gr of engine oil was applied to a sample of about 4 cm square, and the state of swelling of the sample after a lapse of 20 minutes was observed.
更に、難燃試験は機器部品用プラスチック材料の燃焼
性試験安全規格（UL−94）に基づいて評価した。Furthermore, the flame retardancy test was evaluated based on the safety standard (UL-94) for the flammability test of plastic materials for equipment parts.
各試験結果を同様に第１表に示す。 Table 1 also shows the test results.
剥離試験において、従来品である比較例のものは、被
膜面の剥離は起こらず、吸音材の基材であるポリウレタ
ンフォームそのものが破断してしまう結果となったが、
本発明のものにおいてはいずれも被膜間が剥離する。In the peeling test, the conventional product of the comparative example did not peel off the coating surface, and the polyurethane foam itself, which is the base material of the sound absorbing material, was broken.
In any case of the present invention, the coatings peel off.
この結果からも分かるように、アクリル樹脂エマルジ
ョンへのゴムラテックスの配合によって被膜同士のくっ
つき力は極めて低下するが、この効果も、添加効果が飽
和する傾向がある。As can be seen from the results, the adhesion of the coatings is extremely reduced by the addition of the rubber latex to the acrylic resin emulsion, but this effect also tends to saturate the effect of addition.
従ってコスト面から考えるとアクリル樹脂に対し、ゴ
ムラテックス0.1〜0.5程度が配合されていれば十分であ
るといえる。Therefore, from the viewpoint of cost, it can be said that it is sufficient if about 0.1 to 0.5 of rubber latex is blended with the acrylic resin.
（効果） 以上のように、本発明によるアクリル樹脂被膜はその
タック性が改善されたので作業性が極めて良くなり、耐
候性、耐油性等も良好であって、表皮材として優れたも
のとなり、又その製法も特徴がありその利用価値は高
い。(Effects) As described above, the acrylic resin film according to the present invention has improved tackiness because of its improved tackiness, and has excellent workability, weather resistance, oil resistance, etc., and is excellent as a skin material. In addition, its manufacturing method is unique and its utility value is high.
そして特に本発明の被膜は、前記したように特にポリ
ウレタンフォームを基材とした吸音材の被膜に使用され
ることによって低周波域の吸音も効果的に吸収されるも
のであって、この方面での利用価値は極めて高い。 In particular, the coating of the present invention, as described above, is particularly effective in absorbing sound in the low-frequency range by being used as a coating of a sound-absorbing material based on a polyurethane foam. The utility value of is extremely high.
フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) C09D 133/00,121/02 D21H 19/44,19/56 ＷＰＩＤＳ（ＳＴＮ)Continuation of the front page (58) Field surveyed (Int. Cl. 7 , DB name) C09D 133/00, 121/02 D21H 19/44, 19/56 WPIDS (STN)
Claims (5)
クスと加硫剤及びその他の配合剤を配合し、工程紙上に
塗工し乾燥したことを特徴とする改良されたアクリル樹
脂被膜。(1) An improved acrylic resin film, characterized in that a rubber latex, a vulcanizing agent and other compounding agents are compounded in an acrylic resin emulsion, coated on process paper and dried.
り、アクリル樹脂対比で0.1〜２である請求項第１項記
載の改良されたアクリル樹脂被膜。2. The improved acrylic resin film according to claim 1, wherein the amount of the rubber latex is 0.1 to 2 based on the weight of the solid resin relative to the acrylic resin.
り、アクリル樹脂対比で0.2〜１である請求項第１項記
載の改良されたアクリル樹脂被膜。3. The improved acrylic resin coating according to claim 1, wherein the amount of the rubber latex is 0.2 to 1 based on the weight of the solid content relative to the acrylic resin.
クスである請求項第１項記載の改良されたアクリル樹脂
被膜。4. The improved acrylic resin coating according to claim 1, wherein the rubber latex is gloroprene rubber latex.
量当りアクリル樹脂対比で0.1〜２のゴムラテックスと
加硫剤を配合し、これを離型性のある工程紙上に塗工
し、乾燥することによってゴム分の架橋と同時にアクリ
ル樹脂被膜を形成し、次いで前記被膜上に接着剤を塗工
することを特徴とする被接着物への接着用アクリル樹脂
被膜の製法。5. An acrylic resin emulsion in which 0.1 to 2 rubber latex and vulcanizing agent are blended with respect to the acrylic resin per solid weight, and the mixture is coated on a process paper having releasability and dried. Forming an acrylic resin film at the same time as crosslinking of the rubber component, and then applying an adhesive on the film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2286838A JP3020113B2 (en) | 1990-10-24 | 1990-10-24 | Improved acrylic resin coating and its manufacturing method. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2286838A JP3020113B2 (en) | 1990-10-24 | 1990-10-24 | Improved acrylic resin coating and its manufacturing method. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04161470A JPH04161470A (en) | 1992-06-04 |
| JP3020113B2 true JP3020113B2 (en) | 2000-03-15 |
Family
ID=17709691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2286838A Expired - Lifetime JP3020113B2 (en) | 1990-10-24 | 1990-10-24 | Improved acrylic resin coating and its manufacturing method. |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3020113B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7937771B2 (en) | 2002-10-31 | 2011-05-10 | Alpinestars Research Srl | Garment for motorcyclists with improved comfort |
| JP2014025178A (en) * | 2012-07-27 | 2014-02-06 | Goldwin Inc | Motor jacket |
-
1990
- 1990-10-24 JP JP2286838A patent/JP3020113B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7937771B2 (en) | 2002-10-31 | 2011-05-10 | Alpinestars Research Srl | Garment for motorcyclists with improved comfort |
| JP2014025178A (en) * | 2012-07-27 | 2014-02-06 | Goldwin Inc | Motor jacket |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04161470A (en) | 1992-06-04 |
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