JPH0286871A - Method for applying adhesive agent - Google Patents
Method for applying adhesive agentInfo
- Publication number
- JPH0286871A JPH0286871A JP23852888A JP23852888A JPH0286871A JP H0286871 A JPH0286871 A JP H0286871A JP 23852888 A JP23852888 A JP 23852888A JP 23852888 A JP23852888 A JP 23852888A JP H0286871 A JPH0286871 A JP H0286871A
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- hot melt
- weight
- rubber
- melt adhesive
- 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
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000000853 adhesive Substances 0.000 title claims description 23
- 229920001971 elastomer Polymers 0.000 claims abstract description 19
- 239000004831 Hot glue Substances 0.000 claims abstract description 16
- 239000005060 rubber Substances 0.000 claims abstract description 10
- 239000000806 elastomer Substances 0.000 claims abstract description 9
- 230000001070 adhesive effect Effects 0.000 claims description 22
- 238000000576 coating method Methods 0.000 abstract description 7
- 239000003795 chemical substances by application Substances 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 239000004902 Softening Agent Substances 0.000 abstract 2
- 239000001993 wax Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 4
- 229920005549 butyl rubber Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 1
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 241000345998 Calamus manan Species 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 235000013871 bee wax Nutrition 0.000 description 1
- 239000012166 beeswax Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 235000013869 carnauba wax Nutrition 0.000 description 1
- 239000004203 carnauba wax Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 235000019809 paraffin wax Nutrition 0.000 description 1
- 235000019271 petrolatum Nutrition 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 235000012950 rattan cane Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
本発明は粘着剤塗布方法に関する。さらに詳しくは、ロ
ボットによる自動塗布が可能となり、省力化およびコス
トダウンを図ることのできる粘着剤塗布方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a pressure-sensitive adhesive application method. More specifically, the present invention relates to an adhesive application method that enables automatic application by a robot, thereby saving labor and reducing costs.
［従来の技術および発明が解決しようとする課題］
従来より、たとえばドアサービスホールカバーをドア内
板に貼付するばあい、ブチルゴムを主成分とするテープ
状の成形粘着剤をリールに巻いたものを作業者が巻きも
どし、手作業で所定の箇所へ貼付していた。[Prior art and problems to be solved by the invention] Conventionally, for example, when attaching a door service hole cover to a door inner panel, a tape-shaped adhesive mainly composed of butyl rubber is wound around a reel. Workers unrolled the stickers and pasted them in designated locations by hand.
しかし、こういった作業は人手と時間を要するため省力
化、工程の合理化およびコストダウンが要請されていた
。However, since such work requires manpower and time, there is a need for labor saving, process rationalization, and cost reduction.
一方、粘着剤を自動的に塗布する方法としてホットメル
ト粘着剤を用いる方法がある。しかし、従来のホットメ
ルト粘着剤は１４０℃以上の高温でノズルなどより吐出
されるため、作業に危険を伴う、被着体に耐熱性が要求
される、塗布された粘着剤が冷却するまでに長時間を要
し工程の合理化が図れない、といった種々の問題点があ
る。On the other hand, as a method for automatically applying an adhesive, there is a method using a hot melt adhesive. However, conventional hot-melt adhesives are discharged from a nozzle at a high temperature of 140°C or higher, which makes the work dangerous, requires heat resistance on the adherend, and takes a long time before the applied adhesive cools down. There are various problems such as it takes a long time and the process cannot be rationalized.
本発明は、叙上の事情に鑑み、低温で多量に吐出可能な
ホットメルト粘着剤を用いることで安全かつ短時間に粘
着剤を自動塗布することのできる塗布方法を提供するこ
とを目的とする。In view of the above circumstances, an object of the present invention is to provide a coating method that can automatically apply an adhesive safely and in a short time by using a hot melt adhesive that can be dispensed in large quantities at low temperatures. .
本発明の方法は、ドアを絹製組立工程に入る直前で車体
から取外し、ドアの藤製はサブアセンブリーにより行な
い、絹製組立工程の主ラインでは車室内外の部製作業を
行なうようにし、絹製組立工程の最終工程で再度車体に
ドアを組付ける、いわゆるドアレス繕装工程においてと
くにその効果が発揮されるものである。In the method of the present invention, the door is removed from the car body just before entering the silk assembly process, the rattan door is made by a subassembly, and the main line of the silk assembly process is used to perform parts manufacturing work for the inside and outside of the car. This effect is particularly evident in the so-called doorless repair process, in which the door is reassembled to the car body in the final step of the silk assembly process.
［課題を解決するための手段］
本発明の粘着剤塗布方法は、絹製工程において、主ライ
ンにある車体またはサブアセンブリー工程にあるドアに
、吐出ノズルを有するロボットを用いてホットメルト粘
着剤を塗布する方法であって、前記ホットメルト粘着剤
として、ゴムまたはエラストマー１０〜５０重量％、ワ
ックス１〜２０重量％、粘着付与剤１０〜５０重量％お
よび軟化剤１０〜５０重量％からなり、８０〜１１０℃
の加温により １５０ｇ／分以上吐出可能なものを用い
ることを特徴としている。[Means for Solving the Problems] The adhesive application method of the present invention uses a robot with a discharge nozzle to apply hot melt adhesive to a car body in the main line or a door in the subassembly process in a silk manufacturing process. A method of applying a hot melt adhesive comprising 10 to 50% by weight of rubber or elastomer, 1 to 20% by weight of wax, 10 to 50% by weight of tackifier and 10 to 50% by weight of softener, 80-110℃
It is characterized by using a material that can discharge 150 g/min or more by heating.
［実施例〕
本発明の方法は、低温で多量に吐出できるホットメルト
粘着剤を適宜のポンプにて吐出し、ロボットアームに取
付けられたノズルより車体またはドアの所定の箇所へ自
動塗布することを要旨とし、吐出温度を８０°〜１１０
℃に下げたばあいに吐出量が極端に不足していた従来品
にワックスを加え、低温での吐出性を改良した点に特徴
がある。[Example] The method of the present invention involves discharging a hot melt adhesive that can be discharged in large quantities at low temperatures using an appropriate pump, and automatically applying it to a predetermined location on a vehicle body or door from a nozzle attached to a robot arm. The summary and discharge temperature are 80° to 110°.
The product is unique in that it improves the discharge performance at low temperatures by adding wax to the conventional product, which had an extremely insufficient discharge rate when the temperature was lowered to ℃.
本発明の方法において用いられるホットメルト粘着剤は
、ゴムまたはエラストマー ワックス、粘着付与剤およ
び軟化剤からなっており、これらの成分に必要に応じて
充填材、老化防止剤、安定剤などが加えられる。The hot melt adhesive used in the method of the present invention consists of a rubber or elastomer wax, a tackifier, and a softener, and fillers, antiaging agents, stabilizers, etc. are added to these components as necessary. .
ゴムまたはエラストマーとしては、スチレン−ブタジェ
ンゴム（ＳＢＲ） 、イソブチレン−イソプレンゴム（
ＩＩＲ） 、ニトリルゴム（ＮＢＲ） 、クロロブレン
ゴム（ＣＲ）などの合成ゴムや、天然ゴム、ＳＢＳ 、
８１８ 、５ＥＢＳなどのスチレン系、ウレタン系、
ポリエステル系の熱可塑性エラストマーを用いることが
できる。Rubbers or elastomers include styrene-butadiene rubber (SBR), isobutylene-isoprene rubber (
Synthetic rubber such as IIR), nitrile rubber (NBR), chloroprene rubber (CR), natural rubber, SBS,
Styrene type, urethane type, such as 818, 5EBS,
A polyester thermoplastic elastomer can be used.
ワックスは主として粘着剤の溶融粘度を下げるために用
いられ、パラフィンワックス、ミツロー カルナバワッ
クスなどの天然ワックスや、低分子量ポリエチレン系な
どの合成ワックスを用いることができる。Wax is mainly used to lower the melt viscosity of the adhesive, and natural waxes such as paraffin wax, beeswax and carnauba wax, and synthetic waxes such as low molecular weight polyethylene waxes can be used.
粘着剤としては、キシレン樹脂、フェノール樹脂、ロジ
ン、クマロン樹脂、テルペン樹脂などを用いることがで
き、また軟化剤としては、ポリブテン、プロセスオイル
などの可塑剤を用いることができる。As the adhesive, xylene resin, phenol resin, rosin, coumaron resin, terpene resin, etc. can be used, and as the softener, plasticizers such as polybutene and process oil can be used.
前述したゴム、エラストマーなどの成分に、必要に応じ
て炭酸カルシウム、カーボンブラック、タルク、クレー
シリカなどの粉末からなる充填材や、老化防止剤、安
定剤などを加えるようにしてもよい。Fillers made of powders such as calcium carbonate, carbon black, talc, clay silica, anti-aging agents, stabilizers, etc. may be added to the above-mentioned components such as rubber and elastomer, if necessary.
以上の成分の配合割合は、粘着剤Ｉｏｏ重量％中にゴム
またはエラストマーが１０〜５０重量％、ワックスが１
〜２０重量％、粘着付与剤が１０〜５０％、軟化剤が１
０〜５０重量％である。The blending ratio of the above components is 10 to 50% by weight of rubber or elastomer and 1% by weight of wax in Ioo weight% of adhesive.
~20% by weight, 10-50% tackifier, 1% softener
It is 0 to 50% by weight.
本発明における粘着剤は、以上のごとき成分、配合割合
からなり、８０〜１１０℃の加温で１５０ ｇ／分以上
吐出可能である。８０℃未満で多量吐出できるものは、
貼付後のたれや粘着剤の強度不足という問題があり、１
１０℃を超えると従来品と同様の問題が発生する。The adhesive in the present invention is composed of the above-mentioned components and blending ratios, and can be discharged at a rate of 150 g/min or more when heated at 80 to 110°C. Items that can be discharged in large quantities at temperatures below 80℃ are
There are problems with dripping after application and insufficient strength of the adhesive.
If the temperature exceeds 10°C, problems similar to those of conventional products occur.
粘着剤は、たとえばゴムまたはエトラストマーと、軟化
剤の一部と、充填材など必要に応じて添加されるものと
を加圧ニーダ−に入れ、１００〜１５０℃で１０〜２０
分間撹拌後、ワックスと粘着付与剤と軟化剤の残量を加
え均一に混合撹拌することで製造することができる。To make the adhesive, for example, rubber or elastomer, a part of the softener, and fillers and other additives as necessary are placed in a pressure kneader and heated at 100 to 150°C for 10 to 20 minutes.
After stirring for a minute, the remaining amounts of wax, tackifier, and softener are added, and the mixture is uniformly mixed and stirred.
つぎに、前記した方法で製造されたホットメルト粘着剤
の組成例および従来のホットメルト粘着剤の組成例を第
１表に示す。吐出性は、ノードソン・バルクメルター（
ノードソン社製アプリケータ）にベール缶に入れた材料
をセットし、ポンプおよびヒートホースの温度を１１０
℃（または８０℃）に調節し、２時間後にポンプを回し
て粘着剤を１分間吐出し、吐出量を３回測定しその平均
値を記録した。Next, Table 1 shows examples of compositions of hot melt adhesives produced by the method described above and examples of compositions of conventional hot melt adhesives. Discharge performance is determined by Nordson bulk melter (
Set the material in the bale can into the Nordson applicator, and set the temperature of the pump and heat hose to 110°C.
℃ (or 80℃), and after 2 hours, the pump was turned to discharge the adhesive for 1 minute, and the discharge amount was measured three times, and the average value was recorded.
［以下余白］
以上のごときホットメルト粘着剤を、たとえばバルクタ
イプのホットメルトポンプにより吐出し、ロボットアー
ムに取付けられたノズルを通してドアレス繕装工程にお
ける車体またはドアの所定位置へ塗布する。塗布順序、
塗布箇所などはロボットに予めティーチングしておけば
よい。[Margin below] The hot melt adhesive as described above is discharged by, for example, a bulk type hot melt pump, and applied to a predetermined position of a vehicle body or door in a doorless repair process through a nozzle attached to a robot arm. application order,
The robot can be taught the application location in advance.
つぎに塗布例を図面に基づき説明する。Next, a coating example will be explained based on the drawings.
まず、粘着剤組成物をベール缶（１）に詰め込み、この
ベール缶（１）をポンプ（２）（ノードソン社製のバル
クメルター モデル５００）に取付け、ヒートホース（
３）とともに加熱温度１１０℃に設定した。First, the adhesive composition is packed into a bale can (1), the bale can (1) is attached to a pump (2) (bulk melter model 500 manufactured by Nordson), and a heat hose (
3) and the heating temperature was set at 110°C.
一方、多関節ロボット（４）（■安用電機製作所製ＫＩ
Ｏ８）のアーム（５）先端にノズル（６）を取付けた。On the other hand, the articulated robot (4)
A nozzle (6) was attached to the tip of the arm (5) of the O8).
そして、任意のティーチングにより車両ドアの内板（７
′）に粘着剤（８）を約３φの太さで塗布した。Then, by arbitrary teaching, the inner plate of the vehicle door (7
') was coated with adhesive (8) to a thickness of about 3φ.
塗布された粘着剤の温度は、約２５秒で５５℃に低下し
次のドアサービスホールカバー貼付作業に短時間で進む
ことができた。The temperature of the applied adhesive decreased to 55° C. in about 25 seconds, allowing the next step to attach the door service hole cover to be carried out in a short time.
なお、ロボットによる塗布作業においてノズル先端に内
径３φ、長さ５〜１０ｍｍのゴムまたは柔軟性のあるパ
イプを取付けておくと、被塗物の損傷を防ぐことができ
るという効果がある。In addition, when a robot performs coating work, attaching a rubber or flexible pipe with an inner diameter of 3 φ and a length of 5 to 10 mm to the tip of the nozzle has the effect of preventing damage to the object to be coated.
本発明の粘着剤塗布方法は、以上説明したドアのサービ
スホールカバー以外に、たとえばオペラウインドの粘着
シールやりャコンビネーションランプの粘着シールなど
に幅広く適用することができる。The adhesive application method of the present invention can be widely applied to, for example, adhesive stickers for opera windows and combination lamps, in addition to the above-described door service hole covers.
［発明の効果］
以上説明したとおり、本発明の塗布方法によれば、ロボ
ットによる自動塗布が可能となり省力化、コストダウン
を図ることができる。また低温で粘着剤が吐出できるの
で塗布直後の作業を安全に行なうことができる。さらに
従来の巻き物の粘着剤と比較して材料の体積が小さくな
り、輸送が容易になる。[Effects of the Invention] As explained above, according to the coating method of the present invention, automatic coating by a robot is possible, and it is possible to save labor and reduce costs. Furthermore, since the adhesive can be discharged at low temperatures, operations immediately after application can be performed safely. Additionally, compared to traditional roll adhesives, the material has a smaller volume, making it easier to transport.
第１図は本発明の塗布方法の一実施例の説明図である。 （図面の主要符号） （２）：ホットメルトポンプ （４）：ロボッ ト （６）： ノズル （７）： ドア裏面 （８）：ホットメルト粘着剤 FIG. 1 is an explanatory diagram of an embodiment of the coating method of the present invention. (Main symbols on drawings) (2): Hot melt pump (4): Robot to (6): nozzle (7): back side of door (8): Hot melt adhesive
Claims (1)
アセンブリー工程にあるドアに、吐出ノズルを有するロ
ボットを用いてホットメルト粘着剤を塗布する方法であ
って、前記ホットメルト粘着剤として、ゴムまたはエラ
ストマー１０〜５０重量％、ワックス１〜２０重量％、
粘着付与剤１０〜５０重量％および軟化剤１０〜５０重
量％からなり、８０〜１１０℃の加温により１５０ｇ／
分以上吐出可能なものを用いることを特徴とする粘着剤
塗布方法。1. A method of applying a hot melt adhesive to a vehicle body in the main line or a door in the subassembly process in the outfitting process using a robot with a discharge nozzle, the hot melt adhesive being a rubber or elastomer. 10-50% by weight, wax 1-20% by weight,
Consisting of 10-50% by weight of tackifier and 10-50% by weight of softener, 150g/
An adhesive application method characterized by using an adhesive that can be discharged for more than a minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63238528A JPH0675702B2 (en) | 1988-09-22 | 1988-09-22 | Adhesive application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63238528A JPH0675702B2 (en) | 1988-09-22 | 1988-09-22 | Adhesive application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0286871A true JPH0286871A (en) | 1990-03-27 |
| JPH0675702B2 JPH0675702B2 (en) | 1994-09-28 |
Family
ID=17031593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63238528A Expired - Fee Related JPH0675702B2 (en) | 1988-09-22 | 1988-09-22 | Adhesive application method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0675702B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1105144C (en) * | 1997-03-25 | 2003-04-09 | 吴羽化学工业株式会社 | Resin composition and adhesive film made from said composition |
| JP2009028662A (en) * | 2007-07-27 | 2009-02-12 | Mazda Motor Corp | Joining method of workpiece |
| WO2016170776A1 (en) * | 2015-04-21 | 2016-10-27 | 早川ゴム株式会社 | Method for applying adhesive, and joined article |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6430679A (en) * | 1987-07-27 | 1989-02-01 | Yokohama Rubber Co Ltd | Method for injecting hot-melt adhesive |
-
1988
- 1988-09-22 JP JP63238528A patent/JPH0675702B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6430679A (en) * | 1987-07-27 | 1989-02-01 | Yokohama Rubber Co Ltd | Method for injecting hot-melt adhesive |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1105144C (en) * | 1997-03-25 | 2003-04-09 | 吴羽化学工业株式会社 | Resin composition and adhesive film made from said composition |
| JP2009028662A (en) * | 2007-07-27 | 2009-02-12 | Mazda Motor Corp | Joining method of workpiece |
| WO2016170776A1 (en) * | 2015-04-21 | 2016-10-27 | 早川ゴム株式会社 | Method for applying adhesive, and joined article |
| JPWO2016170776A1 (en) * | 2015-04-21 | 2018-02-15 | 早川ゴム株式会社 | Adhesive application method and bonded product |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0675702B2 (en) | 1994-09-28 |
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| LAPS | Cancellation because of no payment of annual fees |