JPH02203961A - Painting method - Google Patents
Painting methodInfo
- Publication number
- JPH02203961A JPH02203961A JP1023429A JP2342989A JPH02203961A JP H02203961 A JPH02203961 A JP H02203961A JP 1023429 A JP1023429 A JP 1023429A JP 2342989 A JP2342989 A JP 2342989A JP H02203961 A JPH02203961 A JP H02203961A
- Authority
- JP
- Japan
- Prior art keywords
- liquid material
- spray
- contact
- orifice
- promoting agent
- 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.)
- Pending
Links
- 238000010422 painting Methods 0.000 title claims abstract description 7
- 238000000034 method Methods 0.000 title claims description 14
- 239000003973 paint Substances 0.000 claims abstract description 18
- 239000012159 carrier gas Substances 0.000 claims abstract description 16
- 239000007921 spray Substances 0.000 claims abstract description 15
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 239000011344 liquid material Substances 0.000 claims description 28
- 238000000576 coating method Methods 0.000 claims description 23
- 239000007789 gas Substances 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 5
- 125000003277 amino group Chemical group 0.000 claims 1
- 150000001412 amines Chemical class 0.000 abstract description 11
- 239000007788 liquid Substances 0.000 abstract description 9
- 239000000126 substance Substances 0.000 abstract description 6
- 239000003795 chemical substances by application Substances 0.000 abstract 4
- 230000001737 promoting effect Effects 0.000 abstract 4
- 238000007592 spray painting technique Methods 0.000 abstract 1
- 238000001723 curing Methods 0.000 description 23
- 239000011248 coating agent Substances 0.000 description 21
- 230000003197 catalytic effect Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 229920005862 polyol Polymers 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- -1 acrylic polyols Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000003077 polyols Chemical class 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- 229960002887 deanol Drugs 0.000 description 2
- 239000012972 dimethylethanolamine Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- AWJUIBRHMBBTKR-UHFFFAOYSA-N isoquinoline Chemical compound C1=NC=CC2=CC=CC=C21 AWJUIBRHMBBTKR-UHFFFAOYSA-N 0.000 description 2
- 238000013035 low temperature curing Methods 0.000 description 2
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920001228 polyisocyanate Polymers 0.000 description 2
- 239000005056 polyisocyanate Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 2
- BFSVOASYOCHEOV-UHFFFAOYSA-N 2-diethylaminoethanol Chemical compound CCN(CC)CCO BFSVOASYOCHEOV-UHFFFAOYSA-N 0.000 description 1
- AQIIVEISJBBUCR-UHFFFAOYSA-N 4-(3-phenylpropyl)pyridine Chemical compound C=1C=NC=CC=1CCCC1=CC=CC=C1 AQIIVEISJBBUCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- SVYKKECYCPFKGB-UHFFFAOYSA-N N,N-dimethylcyclohexylamine Chemical compound CN(C)C1CCCCC1 SVYKKECYCPFKGB-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- HOPRXXXSABQWAV-UHFFFAOYSA-N anhydrous collidine Natural products CC1=CC=NC(C)=C1C HOPRXXXSABQWAV-UHFFFAOYSA-N 0.000 description 1
- UTBIMNXEDGNJFE-UHFFFAOYSA-N collidine Natural products CC1=CC=C(C)C(C)=N1 UTBIMNXEDGNJFE-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- GFYHSKONPJXCDE-UHFFFAOYSA-N sym-collidine Natural products CC1=CN=C(C)C(C)=C1 GFYHSKONPJXCDE-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Nozzles (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は液状物の塗装方法に関し、特に、硬化促進剤の
存在下で常温で硬化する液状物に適したスプレー塗装方
法に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for coating liquid materials, and particularly to a spray coating method suitable for liquid materials that harden at room temperature in the presence of a curing accelerator.
（従来の技術およびその問題点）
近年、自動車部品や家電製品においては、軽量化や防錆
対策などの点から素材としてプラスチックが多（使用さ
れている。(Prior Art and its Problems) In recent years, plastic has been increasingly used as a material for automobile parts and home appliances for reasons such as weight reduction and rust prevention.
プラスチックの塗装においては、耐熱性の観点から低温
で塗膜を形成することが強く要望され、その塗装方法の
一つとして、触媒蒸気混合塗装システムが用いられてい
る。上記塗装システムは二液型ウレタン樹脂系塗料をア
ミン蒸気の触媒作用により、急速に硬化させる方式であ
り、ポリオルとイソシアネートとを主成分とした二液型
ウレタン樹脂系塗料を混合し溶剤で粘度調整した塗料を
、アミン蒸気発生機で発生させたアミン蒸気を含んだ混
合エアによって般用のエアスプレーガンを用いて霧化し
被塗物に吹き付けるものである。In coating plastics, it is strongly desired to form a coating film at a low temperature from the viewpoint of heat resistance, and a catalytic vapor mixed coating system is used as one of the coating methods. The above coating system is a method in which a two-component urethane resin paint is rapidly cured by the catalytic action of amine vapor, and the two-component urethane resin paint whose main ingredients are polyol and isocyanate are mixed and the viscosity is adjusted using a solvent. The resulting paint is atomized using a general-purpose air spray gun using mixed air containing amine vapor generated by an amine vapor generator, and then sprayed onto the object to be coated.
吹き付けられた塗料はアミンの触媒作用によって急速に
硬化しウレタン樹脂系塗膜が形成される。The sprayed paint is rapidly cured by the catalytic action of the amine, forming a urethane resin coating.
形成された塗膜は、通常４０〜１００℃で後加熱して硬
化乾燥される。The formed coating film is usually post-heated at 40 to 100°C to cure and dry.
この触媒蒸気混合塗装システムによって低温硬化の目的
はかなり達成されるが、市場において、さらなる低温（
常温）急速硬化の要求があり、この要求に合致する、例
えば、常温で０．１〜３０分程度で硬化する液状１勿を
この塗装システムで塗装した場合、スプレー装置の噴出
口に硬化促進剤を含有する担体ガス流が流入・接触する
ため、噴出口および噴出口の極く近傍の塗料が急速に硬
化し、液状物の噴出口の詰まり、例えばノズルの詰まり
を発生したり、ノズル又はノズルの極く近傍に堆積した
硬化塗料の固まりがとれて塗膜中にブツを発生させたり
するため、安定した塗装ができないという問題がある。Although this catalytic vapor mixed coating system achieves the objective of low-temperature curing to a large extent, there is still a need for further low-temperature curing (
There is a requirement for rapid curing (at room temperature), and when this coating system is used to apply a liquid coating that meets this requirement, for example, it hardens in about 0.1 to 30 minutes at room temperature, a curing accelerator is added to the nozzle of the spray device. Due to the inflow and contact of the carrier gas stream containing There is a problem in that stable coating cannot be achieved because lumps of cured paint that have accumulated in the vicinity of the paint come off and cause spots in the paint film.
（問題点を解決するための手段）
本発明者は、硬化促進剤の存在下で、常温で速やかに硬
化する液状物を塗装する場合にも、上記の問題点がなく
、塗装作業性が良好となる塗装方法を鋭意研究の結果、
本発明に到達した。(Means for Solving the Problems) The present inventor has discovered that even when coating a liquid material that hardens quickly at room temperature in the presence of a curing accelerator, the above problems do not occur and the coating workability is good. As a result of intensive research into the painting method that
We have arrived at the present invention.
すなわち、本発明は、硬化促進剤の存在下で常温で硬化
する液状物を、スプレー塗装する方法において、該液状
物の噴霧体に硬化促進剤を含有する担体ガス流を混入し
、該混合物を被塗物に接触させ、被塗物上に被膜を形成
するとともに、スプレー装置における該液状物の噴出口
に硬化促進剤が接触しないよう、該噴出口の近傍の吐出
口から圧縮気体を噴射することを特徴とする液状物の塗
装方法を提供するものである。That is, the present invention provides a method for spray coating a liquid material that hardens at room temperature in the presence of a hardening accelerator, in which a carrier gas stream containing a hardening accelerator is mixed into the spray of the liquid material, and the mixture is sprayed. In addition to contacting the object to be coated to form a film on the object, compressed gas is injected from an outlet near the outlet of the liquid material in the spray device so that the curing accelerator does not come into contact with the outlet of the liquid material. The present invention provides a method for coating a liquid material characterized by the following.
本発明方法における、硬化促進剤の存在下で、常温で硬
化する液状物としては、硬化促進剤の存在下で常温（０
〜４０℃）で硬化乾燥する液状物あ
で暮れぽいずれも使用できるが、特に常温で速やかに、
例えば３０分以内に硬化乾燥する液状物に対して本発明
方法の効果が太き（発揮される。かかる液状物としては
、例えばアミンなどを効果促進剤とする、アクリルポリ
オール、ポリエステルポリオール、エポキシポリオール
などのポリオール樹脂とポリイソシアネート架橋剤とか
らなる二液型ウレタン樹脂系塗料などが挙げられる。In the method of the present invention, the liquid material that hardens at room temperature in the presence of a curing accelerator is
You can use a liquid product that hardens and dries at ~40℃), but in particular, it can be used quickly at room temperature.
For example, the method of the present invention is most effective for liquid materials that harden and dry within 30 minutes. Examples of such liquid materials include acrylic polyols, polyester polyols, and epoxy polyols that use amines as an effect accelerator. Examples include two-component urethane resin paints made of a polyol resin and a polyisocyanate crosslinking agent.
本発明方法における硬化促進剤は、液状物の硬化を促進
できるものであればよく、特に急速に硬化を促進でき、
かつ蒸気化させやすいものが好ましい。二液型ウレタン
樹脂系塗料の硬化促進剤としては、水蒸気、アミンなど
が挙げられ、アミジノ、ジメチルベンジルアミン、ジメ
チルシクロヘキシルアミン、ジメチルエタノールアミン
、ジエチルエタノールアミン、トリエタノールアミン、
ピリジン、４−フェニルプロピルピリジン、２．４．６
−コリジン、キノリン、イソキノリン、Ｎも
−エチル・ルホリン、トリエチレンジアミンなどの第３
級アミンを挙げることができる。The curing accelerator used in the method of the present invention may be any substance as long as it can accelerate the curing of the liquid, and in particular can accelerate curing rapidly.
It is also preferable to use one that can be easily vaporized. Examples of curing accelerators for two-component urethane resin paints include water vapor and amines, including amidino, dimethylbenzylamine, dimethylcyclohexylamine, dimethylethanolamine, diethylethanolamine, triethanolamine,
Pyridine, 4-phenylpropylpyridine, 2.4.6
- collidine, quinoline, isoquinoline, N also - tertiary substances such as ethyl luforine, triethylenediamine, etc.
amines.
本発明において、上記硬化促進剤を含有せしめる担体ガ
スとしては、空気および窒素、二酸化炭素などの不活性
ガスなどが挙げられる。In the present invention, examples of the carrier gas containing the curing accelerator include air and inert gases such as nitrogen and carbon dioxide.
担体ガス中の硬化促進剤の濃度は、触媒効果が発揮でき
るよう適宜決定すればよいが、例えばアミンを効果促進
剤とする場合、通常、１〜８０００ＰＰｍ 、さらには
１０〜２０００ＰＰｍの範囲にあることが好ましい。The concentration of the curing accelerator in the carrier gas may be appropriately determined so as to exhibit the catalytic effect, but for example, when an amine is used as the effect accelerator, it should normally be in the range of 1 to 8000 PPm, more preferably 10 to 2000 PPm. is preferred.
また、本発明においては、スプレー装置の液状物の噴出
口に硬化促進剤が接触しないよう、該噴出口の近傍の吐
出口から圧縮気体を噴射するが、この圧縮気体としては
圧縮した、空気および窒素、二酸化炭素などの不活性ガ
スが使用され、前記担体ガスと同一であっても異なって
いてもよい。In addition, in the present invention, compressed gas is injected from a discharge port in the vicinity of the liquid material jet port of the spray device so that the curing accelerator does not come into contact with the jet port of the liquid material, but this compressed gas may include compressed air, An inert gas such as nitrogen or carbon dioxide is used and may be the same or different from the carrier gas.
以下、本発明の一実施例を、図面を参照しながら更に詳
細に説明する。Hereinafter, one embodiment of the present invention will be described in more detail with reference to the drawings.
第１図は本発明方法に使用するスプレー装置の液状物の
噴出口周辺の断面図であり、液状物が噴出口１より噴出
し、圧縮気体（圧縮空気）が圧縮気体の連通路を通って
、液状物の噴出口１の近傍部であって、噴出口１を囲む
吐出口２から噴射し、噴射された圧縮空気が噴出口１の
周辺を囲むとともに液状物を微粒化させる。また吐出口
２の外側の吐出口３から硬化促進剤を含有する担体ガス
（空気）が噴射され、微粒化された液状物の噴霧体に混
入され、この混合物が被塗物に接触し、被膜を形成し急
速に硬化する。また、噴出口１周辺の吐出口２から圧縮
空気が噴射され一種のエアカーテンを形成するため、噴
出口に硬化促進剤が接触せず、ノズル詰まりを発生した
り、塗膜中にブツを発生させたりすることがなく、良好
な塗装作業性を示す。FIG. 1 is a cross-sectional view of the vicinity of the liquid jet nozzle of the spray device used in the method of the present invention. The compressed air is injected from a discharge port 2 that is near the jet port 1 and surrounds the jet port 1, and the injected compressed air surrounds the jet port 1 and atomizes the liquid material. Further, a carrier gas (air) containing a curing accelerator is injected from the outlet 3 outside the outlet 2 and mixed into the atomized liquid material spray, and this mixture comes into contact with the object to be coated, forming a coating. forms and hardens rapidly. In addition, because compressed air is injected from the outlet 2 around the outlet 1 and forms a kind of air curtain, the curing accelerator does not come into contact with the outlet, which may cause nozzle clogging or cause spots in the coating film. It shows good painting workability without causing any damage.
第１図を参考に、塗装例を以下に述べる。A coating example will be described below with reference to Figure 1.
液状物としてアクリルポリオールとポリイソシアネート
架橋剤とを主成分とする、アミンの存在下で常温で急速
に硬化する二液型アクリルウレタン樹脂系塗料を溶剤で
粘度１５秒／フォードカップＮｏ、４に粘調した後、塗
料に１．．０Ｋｇ７ｃｍ２の圧力をかけ、エアスプレー
ガンまで圧送した。また、コンプレッサーによって圧縮
した圧３ 、 ５ Ｋｇ ７ｃｍ２の圧縮空気を圧縮空
気の連通路に送った。A two-component acrylic urethane resin paint containing acrylic polyol and polyisocyanate crosslinking agent as the main components and which hardens rapidly at room temperature in the presence of an amine is coated with a solvent to a viscosity of 15 seconds/Ford Cup No. 4. After adjusting, apply 1. to the paint. ．． A pressure of 0 kg 7 cm2 was applied and the mixture was pumped to an air spray gun. In addition, compressed air with a pressure of 3.5 kg and 7 cm2 was compressed by a compressor and sent to the compressed air communication path.
さらに、担体ガスとして硬化促進剤であるジメチルエタ
ノールアミン蒸気を５００ ＰＰｍ含有する空気を３．
５ Ｋｇ ７ｃｍ２の圧力をかけて担体ガスの連通路に
送った。ついで塗料、圧縮空気および担体ガスを同時に
噴射し、塗料吐出量６００ ｃｃ／分の条件で塗装膜厚
５０ミクロンとなるよう塗装した。約３０分間塗装した
が、噴出口１にアミン蒸気が接することがないため、良
好な塗装作業性を示すとともに、液状物の噴霧体に硬化
促進剤が代
混入されるので急速な硬化が行なわれ・。Furthermore, air containing 500 PPm of dimethylethanolamine vapor, which is a curing accelerator, was added as a carrier gas.
A pressure of 5 kg and 7 cm2 was applied to the carrier gas and the gas was sent to the carrier gas communication path. Then, the paint, compressed air, and carrier gas were simultaneously injected to achieve a coating film thickness of 50 microns at a paint discharge rate of 600 cc/min. Although the coating was carried out for about 30 minutes, since the amine vapor does not come into contact with the jet nozzle 1, it shows good coating workability, and since the curing accelerator is mixed into the liquid spray, rapid curing occurs.・.
なお、吐出口２からの圧縮空気の吐出方向が、噴出口１
からの塗料の噴出方向に垂直な面に、１０〜９０°、吹
きもどりが起こらないために、好ましくは３０〜５０°
の角度を有して交差する方向であることが望ましい。Note that the discharge direction of the compressed air from the discharge port 2 is the same as that of the discharge port 1.
10 to 90 degrees in a plane perpendicular to the direction in which the paint is ejected, preferably 30 to 50 degrees to prevent blowback.
It is desirable that the directions intersect with each other at an angle of .
また、液状物の噴射を止める際、硬化促進剤を含有する
坦体ガスおよび圧縮気体の噴射を同時に止めてもよいが
、液状物および担体ガスの噴射終了後も圧縮気体の噴射
を続けて、液状物の噴射口周辺から硬化促進剤の蒸気を
より遠ざけるようにしてもよい。Further, when stopping the injection of the liquid material, the injection of the carrier gas containing the curing accelerator and the compressed gas may be stopped at the same time, but even after the injection of the liquid material and the carrier gas is finished, the injection of the compressed gas is continued. The vapor of the curing accelerator may be moved further away from the vicinity of the injection port of the liquid material.
また、吐出口３からの硬化促進剤を含有する担体ガスの
吐出方向は、塗料の噴出方向に垂直な面に０〜８０°の
角度を有・して交差する方向であることが好ましい。Further, the direction in which the carrier gas containing the curing accelerator is discharged from the discharge port 3 is preferably a direction that intersects a plane perpendicular to the spraying direction of the paint at an angle of 0 to 80 degrees.
（作用および効果）。(action and effect).
本発明方法によると、硬化促進剤の存在下で急速に硬化
する塗料などの液状物を塗装した場合においてもノズル
詰まりや塗膜中にブツを発生させることなく、急速に硬
化する液状物を塗布することができ塗装作業性を向上で
きる。According to the method of the present invention, even when a liquid material such as a paint that hardens rapidly in the presence of a curing accelerator is applied, the rapidly hardening liquid material is applied without clogging the nozzle or causing spots in the coating film. It is possible to improve painting workability.
第１図は本発明方法に使用するスプレー装置の一例を示
す、液状物の噴出口周辺の断面図である。
１・・・液状物の噴出口、
２・・・圧縮気体の吐出口、
３・・・硬化促進剤を含有する担体ガスの吐出口４・・
・ニードルFIG. 1 is a sectional view of the vicinity of a liquid material spout, showing an example of a spray device used in the method of the present invention. DESCRIPTION OF SYMBOLS 1...Liquid material spout, 2...Compressed gas discharge port, 3...Carrier gas discharge port containing curing accelerator 4...
·needle
Claims (1)
プレー塗装する方法において、該液状物の噴霧体に硬化
促進剤を含有する担体ガス流を混入し、該混合物を被塗
物に接触させ、被塗物上に被膜を形成するとともに、ス
プレー装置における該液状物の噴出口に硬化促進剤が接
触しないよう、該噴出口の近傍の吐出口から圧縮気体を
噴射することを特徴とする液状物の塗装方法。 ２、硬化促進剤がアミン蒸気であり、液状物が二液型ウ
レタン樹脂系塗料である請求項１記載の塗装方法。[Scope of Claims] 1. A method of spray coating a liquid material that hardens at room temperature in the presence of a hardening accelerator, in which a carrier gas flow containing a hardening accelerator is mixed into the spray of the liquid material; The mixture is brought into contact with the object to be coated to form a film on the object, and at the same time, compressed gas is supplied from the outlet near the outlet of the liquid material in the spray device so that the curing accelerator does not come into contact with the outlet of the liquid material. A method of painting a liquid material, which is characterized by spraying. 2. The coating method according to claim 1, wherein the curing accelerator is amine vapor and the liquid material is a two-component urethane resin paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1023429A JPH02203961A (en) | 1989-02-01 | 1989-02-01 | Painting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1023429A JPH02203961A (en) | 1989-02-01 | 1989-02-01 | Painting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02203961A true JPH02203961A (en) | 1990-08-13 |
Family
ID=12110263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1023429A Pending JPH02203961A (en) | 1989-02-01 | 1989-02-01 | Painting method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02203961A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0537010A (en) * | 1991-05-23 | 1993-02-12 | Sharp Corp | Reflective photointerrupter |
-
1989
- 1989-02-01 JP JP1023429A patent/JPH02203961A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0537010A (en) * | 1991-05-23 | 1993-02-12 | Sharp Corp | Reflective photointerrupter |
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