JPH05317802A - Production of molded goods formed with pattern having contour line of prescribed shape and molded goods produced by this process - Google Patents
Production of molded goods formed with pattern having contour line of prescribed shape and molded goods produced by this processInfo
- Publication number
- JPH05317802A JPH05317802A JP12066792A JP12066792A JPH05317802A JP H05317802 A JPH05317802 A JP H05317802A JP 12066792 A JP12066792 A JP 12066792A JP 12066792 A JP12066792 A JP 12066792A JP H05317802 A JPH05317802 A JP H05317802A
- Authority
- JP
- Japan
- Prior art keywords
- pattern
- coating film
- magnetic
- magnet
- shape
- 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
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、所定形状の輪郭線を有
する模様塗膜により形成された成形品の製造方法及びこ
の製造方法により製造された成形品に関し、ホイールカ
バー、フィニッシャー、プラスチック容器等の成形品本
体に所定の模様を有する塗膜を形成する製造方法及びこ
の方法で製造された成形品に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a molded product formed by a pattern coating film having a contour line of a predetermined shape and a molded product manufactured by this manufacturing method, including a wheel cover, a finisher, a plastic container and the like. The present invention relates to a method for producing a coating film having a predetermined pattern on the body of a molded article and a molded article manufactured by this method.
【0002】[0002]
【従来の技術】この種の成形品に模様を付与する方法と
してマスク塗装が広く用いられている。このマスク塗装
は、成形品を所定の形状に成形した後に、所定の形状の
模様部分あるいは、模様以外の部分をマスクで覆い、模
様部分あるいは模様以外の部分を吹き付け塗装等により
塗膜を形成している。2. Description of the Related Art Mask coating is widely used as a method for imparting a pattern to a molded article of this type. In this mask coating, after the molded product is molded into a predetermined shape, the pattern part of the predetermined shape or the part other than the pattern is covered with a mask, and the pattern part or the part other than the pattern is spray-coated to form a coating film. ing.
【0003】ところが、このマスク塗装で形成した模様
は立体感に乏しく、また立体模様として優れたものを作
成することは困難である。However, the pattern formed by this mask coating has a poor three-dimensional effect, and it is difficult to produce an excellent three-dimensional pattern.
【0004】また、立体感のある模様を与えるために成
形品本体に凹凸形状を形成することが通常行われている
が、成形品を例えば合成樹脂等の射出成形により成形す
る場合、凹凸部分に対応する射出成形型の部分を合成樹
脂が通過することにより成形品本体の表面にフローマー
クやウエルドラインが発生し易く、このウェルドライン
が発生した部分で機械的強度が低下し、フローマーク部
分では外観を損なうという欠点がある。Further, in order to give a pattern having a three-dimensional effect, it is usual to form an uneven shape on the body of the molded article. However, when the molded article is molded by injection molding of synthetic resin or the like, the uneven portion is formed. Since synthetic resin passes through the corresponding injection mold part, flow marks and weld lines are likely to occur on the surface of the molded product body, and the mechanical strength decreases at the part where these weld lines occur, and at the flow mark part It has the drawback of impairing the appearance.
【0005】そこで、特開昭63−175670号公報
に、磁場を利用して塗膜に模様を形成するいわゆる磁気
塗装方法が提案されている。これは、微細粉末状の磁性
体を含有した液状の塗料を、プラスチック等の非磁性体
からなる被塗物(成形品)の表面に塗布して塗膜を形成
し、塗膜が未だ液状で含有している磁性体が塗膜中で移
動できる状態で磁場を作用させることにより、模様を形
成する。Therefore, Japanese Patent Application Laid-Open No. 63-175670 proposes a so-called magnetic coating method of forming a pattern on a coating film by utilizing a magnetic field. This is a liquid coating material containing a fine powder magnetic substance is applied to the surface of an article to be coated (molded product) made of a non-magnetic substance such as plastic to form a coating film, and the coating film is still liquid. A pattern is formed by applying a magnetic field in a state where the contained magnetic material can move in the coating film.
【0006】この磁気塗装方法では、磁場を作用させる
ことにより、微細粉末状の磁性体の塗膜面に対する配向
を変化させると共に、該磁性体を磁力線の方向に従って
移動又は集中させることによって塗膜内部に模様を現出
させるものである。In this magnetic coating method, a magnetic field is applied to change the orientation of the fine powdery magnetic substance with respect to the coating film surface, and the magnetic substance is moved or concentrated in accordance with the direction of the magnetic force lines to cause the inside of the coating film to be changed. It is what makes the pattern appear.
【0007】[0007]
【発明が解決しようとする課題】ところが、上述の公報
に記載された磁気塗装方法では、磁性体の偏位を部分的
に正確に規則性を保つことが困難であるため、おおよそ
の形状の模様を塗膜に形成する場合には問題ないが、所
定の模様(この場合、所定の大きさの図柄を有する模
様、模様を形成する輪郭線の太さや輪郭線と他の部分と
のコントラスト等)を形成したい場合、模様に対応した
磁石を形成するのが非常に難しいという問題がある。こ
のため、所定の模様に対応した磁石を形成する場合は試
行錯誤により形成している。However, in the magnetic coating method described in the above-mentioned publication, it is difficult to maintain the regularity of the deviation of the magnetic material partially accurately, and therefore the pattern of the approximate shape is obtained. There is no problem when forming a film on the coating film, but a predetermined pattern (in this case, a pattern having a pattern of a predetermined size, the thickness of the contour line forming the pattern, the contrast between the contour line and other parts, etc.) When it is desired to form a magnet, there is a problem that it is very difficult to form a magnet corresponding to the pattern. Therefore, when forming a magnet corresponding to a predetermined pattern, it is formed by trial and error.
【0008】そこで、本発明は、模様の輪郭線の位置と
磁石との関係に着目し、所定の模様を得るために磁石の
形状をどのように設定すれば良いのかという点を明らか
にして、所定の模様を形成するための磁石の形状を容易
に設定することが可能な所定形状の輪郭線を有する模様
が形成された成形品の製造方法及びこの製造方法により
製造された成形品を提供することを目的とする。Therefore, the present invention pays attention to the relationship between the position of the contour line of the pattern and the magnet, and clarifies how to set the shape of the magnet to obtain a predetermined pattern. Provided are a method of manufacturing a molded product having a pattern having a contour of a predetermined shape capable of easily setting the shape of a magnet for forming a predetermined pattern, and a molded product manufactured by this manufacturing method. The purpose is to
【0009】[0009]
【課題を解決するための手段】上記目的を達成するため
請求項1に記載の発明は、塗料の塗布前又は成形品本体
の表面への塗布後でかつ前記塗膜中に混在した磁性体が
移動可能な状態にあるときに、塗膜面と非接触で、磁場
が磁性体を移動さすに充分な磁力が及ぶ位置に磁力線の
方向が塗膜面と平行になる部分が模様の輪郭線の略中央
部と略一致するように周縁形状が形成された磁石を配置
して塗膜中に磁場を形成し、磁力線の方向に沿って磁性
体を移動させることを特徴としている。In order to achieve the above object, the invention according to claim 1 is characterized in that a magnetic substance mixed in the coating film before coating or after coating on the surface of the molded article body is used. When it is movable, it is in non-contact with the coating surface, and the part where the direction of the magnetic force line is parallel to the coating surface is in the position where the magnetic field exerts sufficient magnetic force to move the magnetic substance. It is characterized in that a magnet having a peripheral shape is arranged so as to substantially coincide with the substantially central portion, a magnetic field is formed in the coating film, and the magnetic body is moved along the direction of the lines of magnetic force.
【0010】請求項2に記載の発明は、請求項1に記載
の所定形状の輪郭線を有する模様が形成された成形品の
製造方法において、模様の輪郭線より、磁石の対応周縁
形状を前記塗膜面に平行方向で後退させた形状に形成し
たことを特徴としている。According to a second aspect of the present invention, in the method for manufacturing a molded article in which a pattern having the contour line of the predetermined shape according to the first aspect is formed, the corresponding peripheral shape of the magnet is defined from the contour line of the pattern. It is characterized in that it is formed in a shape receding in a direction parallel to the surface of the coating film.
【0011】請求項3に記載の発明は、請求項2の発明
発明において、塗膜面に平行方向で後退させた磁石の対
応周縁形状は模様の輪郭線形状を略相似縮小した形状で
ある。According to a third aspect of the present invention, in the invention of the second aspect, the corresponding peripheral edge shape of the magnet retracted in the direction parallel to the coating film surface is a shape obtained by substantially reducing the contour line shape of the pattern.
【0012】請求項4に記載の発明は、請求項1〜3の
いずれかに記載の製造方法により製造された所定形状の
輪郭線を有する模様が形成された成形品。According to a fourth aspect of the present invention, there is provided a molded article produced by the production method according to any one of the first to third aspects, in which a pattern having a contour line of a predetermined shape is formed.
【0013】[0013]
【作用】請求項1の発明の製造方法により、成形品に所
定の模様を有する塗膜を形成するには、所定の形状に成
形された成形品本体の表面に、多数の微細なフレーク状
の磁性体が混在した透明又は半透明な液状の塗料を塗布
して塗膜を形成する。In order to form a coating film having a predetermined pattern on a molded product by the manufacturing method according to the first aspect of the present invention, a large number of fine flake-like particles are formed on the surface of the molded product body molded into a predetermined shape. A coating film is formed by applying a transparent or semi-transparent liquid coating material in which a magnetic material is mixed.
【0014】この場合、成形品本体への塗料の塗布前又
は成形品本体の表面へ塗料を塗布した後で、塗料中に混
在した磁性体が移動可能な状態にあるときに、塗膜面と
非接触で、磁場が前記磁性体を移動さすのに充分な磁力
が及ぶ位置、好ましくは近傍に磁力線の方向が塗膜面と
平行になる部分が模様の輪郭線のほぼ中央部と略一致す
るように周縁形状が形成された磁石を配置して塗膜中に
磁場を形成し、磁力線の方向に沿って磁性体を移動させ
て、模様を形成する。In this case, when the magnetic substance mixed in the paint is in a movable state before the paint is applied to the molded article body or after the paint is applied to the surface of the molded article body, Non-contact, a position where a magnetic field exerts a magnetic force sufficient to move the magnetic substance, preferably a portion where the direction of the magnetic force line is parallel to the coating surface is substantially coincident with the substantially central portion of the contour line of the pattern. As described above, a magnet having a peripheral shape is arranged to form a magnetic field in the coating film, and the magnetic body is moved in the direction of the magnetic force lines to form a pattern.
【0015】そして、磁性体が移動した状態を保持して
塗膜を固化させる。Then, the coating film is solidified while the magnetic material is kept moving.
【0016】請求項2の発明では、請求項1の製造方法
において、塗膜に形成する模様の輪郭線より、磁石の対
応周縁形状を塗膜面に平行方向で後退させる。According to a second aspect of the invention, in the manufacturing method of the first aspect, the corresponding peripheral edge shape of the magnet is set back from the contour line of the pattern formed on the coating film in a direction parallel to the coating film surface.
【0017】請求項3の発明では、請求項2の製造方法
において、塗膜に平行方向で後退させた磁石の対応周縁
形状は、輪郭線の模様の形状を略相似縮小した形状とな
る。請求項4の発明では、請求項1に記載の製造方法に
より、成形品に所定の模様を有する塗膜を形成する。According to the third aspect of the invention, in the manufacturing method of the second aspect, the corresponding peripheral edge shape of the magnet retracted in the direction parallel to the coating film is a shape obtained by substantially reducing the shape of the contour line pattern. According to the invention of claim 4, the coating film having a predetermined pattern is formed on the molded product by the manufacturing method according to claim 1.
【0018】なお、本明細書中、「透明又は半透明な」
液状塗料とあるのは、これは「光を透過し得る色の塗膜
を形成する」液状塗料のことであり、例えば白色、黄色
等の淡い色で光線を幾分かでも透過させるものであれば
よく、これらは「透明又は半透明」の中に含まれる。In the present specification, "transparent or translucent"
A liquid coating material is a liquid coating material that "forms a coating film of a color that allows light to be transmitted", and may be a light color such as white or yellow that transmits some light rays. They are included in “transparent or translucent”.
【0019】[0019]
【実施例】以下、本発明に係る所定形状の輪郭線を有す
る模様が形成された成形品の製造方法及びこの製造方法
により製造された成形品第1の実施例について説明す
る。図1は所定の模様であるナット模様を示した成形品
であるホイールカバーの正面図である。また、図2は図
1のIII-III 線に沿って切断した断面図である。EXAMPLES A method for manufacturing a molded product having a pattern having a contour line of a predetermined shape according to the present invention and a molded product manufactured by the manufacturing method according to a first embodiment of the present invention will be described below. FIG. 1 is a front view of a wheel cover that is a molded product showing a nut pattern that is a predetermined pattern. 2 is a sectional view taken along line III-III in FIG.
【0020】図1及び図2に示すように、成形品として
のホイールカバー1は、ホイールカバー本体3と、この
ホイールカバー本体3の表面に形成された模様を有する
塗膜5とからなる。ホイールカバー本体3は、非磁性材
料であるプラスチック材料から略円板状で、かつ全体が
所定の半径の球体の外表面の一部をなすように形成され
て、外表面は実質上平坦な面となっている。また、この
ホイールカバー本体3の裏面側には、車両のロードホイ
ールに取り付けるための8個の取付部7が突設されてい
る。さらに、これらの取付部7の半径方向内側で、各取
付部7間には、8個の通気孔9が表裏を貫通して形成さ
れている。As shown in FIGS. 1 and 2, a wheel cover 1 as a molded product comprises a wheel cover body 3 and a coating film 5 having a pattern formed on the surface of the wheel cover body 3. The wheel cover body 3 is formed of a plastic material, which is a non-magnetic material, in a substantially disk shape, and is formed so as to form a part of the outer surface of a sphere having a predetermined radius, and the outer surface is a substantially flat surface. Has become. Further, on the back surface side of the wheel cover body 3, eight mounting portions 7 for mounting on a road wheel of a vehicle are provided in a protruding manner. Further, eight ventilation holes 9 are formed so as to penetrate between the mounting portions 7 on the inner side of the mounting portions 7 in the radial direction.
【0021】なお、上述の平坦な面とは、半径が無限大
の球体の外表面に限らず実際には半径100mm程度以上
の曲面が連続していれば良い。すなわち通気孔9のよう
に縁部分のように曲面の半径が大きく変化してその形状
として明らかに凹凸状に見える部分を除いてホイールカ
バー本体3の表面は平坦面とする。The above-mentioned flat surface is not limited to the outer surface of a sphere having an infinite radius, but actually, a curved surface having a radius of about 100 mm or more may be continuous. That is, the surface of the wheel cover body 3 is a flat surface except for a portion such as the vent hole 9 where the radius of the curved surface is largely changed and the shape is apparently uneven.
【0022】本実施例のホイールカバー本体3の表面に
形成された塗膜5には、図1に示すように4個の六角形
ナットの形状の輪郭を有するナット模様(所定の模様)
11、11、11、11が現出されてある。このナット
模様11の輪郭線は、各々外側が正六角形で内側が円形
である。The coating film 5 formed on the surface of the wheel cover body 3 of this embodiment has a nut pattern (predetermined pattern) having the contour of four hexagonal nuts as shown in FIG.
11, 11, 11, 11 have been revealed. The contour of the nut pattern 11 is a regular hexagon on the outside and a circle on the inside.
【0023】次に、ホイールカバー本体3の表面に模様
を現出する塗膜を形成するための塗膜形成装置13につ
いて図3を用いて説明する。Next, a coating film forming apparatus 13 for forming a coating film that shows a pattern on the surface of the wheel cover body 3 will be described with reference to FIG.
【0024】図3に示すように、床状に立設される脚部
15a、15aに上面部16が一体に支持された基台1
5上に、ホイールカバー本体3の裏面側を支持するため
の木材や石こう等からなる固定部材17が固定されてい
る。この固定部材17の略中央部分には、貫通孔19が
形成され、この貫通孔19内には、上面部16に固定さ
れた筒状のガイド部材21が嵌合されている。このガイ
ド部材21の内側は下部に向けて次第に縮径される斜面
を有したすりばち状に形成され、挟持装置23の先端部
が挿入・配置されている。As shown in FIG. 3, a base 1 in which an upper surface 16 is integrally supported by floor-like legs 15a, 15a.
A fixing member 17 made of wood, gypsum, or the like for supporting the back surface side of the wheel cover body 3 is fixed on the wheel 5. A through hole 19 is formed in a substantially central portion of the fixing member 17, and a tubular guide member 21 fixed to the upper surface portion 16 is fitted into the through hole 19. The inside of the guide member 21 is formed in a shape of a skirt having an inclined surface whose diameter is gradually reduced toward the lower part, and the tip end of the holding device 23 is inserted and arranged.
【0025】挟持装置23の先端部外周は下方に向けて
次第に縮径される傾斜面が形成され、内部には、上方に
向けて開口した把持孔部24が形成されている。この把
持孔部24の下端は弾性孔20が形成されて、先端部が
弾性を有している。そして、把持孔部24の内側には凹
凸面が形成されており、ホイールカバー本体3の射出成
形時における金型内への樹脂注入部分いわゆるスプルー
26が挿入される。また、挟持装置23の下端部は、脚
部15a、15a間に掛け渡された支持板28上に固定
されたエアーシリンダー30のロッドの先端部に連結さ
れている。An outer peripheral surface of the tip portion of the holding device 23 is formed with an inclined surface whose diameter is gradually reduced downward, and a grip hole portion 24 opened upward is formed inside thereof. An elastic hole 20 is formed at the lower end of the grip hole portion 24, and the tip end portion has elasticity. An uneven surface is formed inside the grip hole portion 24, and a so-called sprue 26, which is a resin injection portion into the mold during injection molding of the wheel cover body 3, is inserted therein. Further, the lower end portion of the holding device 23 is connected to the tip end portion of the rod of the air cylinder 30 which is fixed on the support plate 28 spanned between the leg portions 15a and 15a.
【0026】従って、エアーシリンダー30のロッドが
本体内に引き込むと、挟持装置23が下方に移動し、挟
持装置23の外周の斜面がガイド部材21の内側斜面に
摺動して下方に移動する。この場合、ガイド部材21の
内側斜面に摺動することにより、挟持装置23の先端部
が内側に撓んで把持孔部24が縮径されてホイールカバ
ー本体3の裏面側のスプルー26を固く挟持すると共
に、スプルー26を下方に引くことで、固定部材17の
上にホイールカバー本体3の裏面側を密着させるように
なっている。Therefore, when the rod of the air cylinder 30 is pulled into the main body, the holding device 23 moves downward, and the slope of the outer periphery of the holding device 23 slides on the inside slope of the guide member 21 and moves downward. In this case, by sliding on the inner slope of the guide member 21, the tip portion of the holding device 23 bends inward and the holding hole portion 24 is reduced in diameter, so that the sprue 26 on the back surface side of the wheel cover body 3 is firmly held. At the same time, by pulling the sprue 26 downward, the rear surface side of the wheel cover body 3 is brought into close contact with the fixing member 17.
【0027】また、固定部材17の上面すなわち、ホイ
ールカバー本体3の裏面と向き合う位置には、固定部材
17の一部に磁石27を装着するための4か所の凹部状
の磁石装着部29、29、29、29が設けられてい
る。これらの磁石装着部29、29、29、29は、4
個の磁石27の上面から、ホイールカバー本体3の表面
までの距離がそれぞれ同一の距離を保って形成されてい
る。Further, at the upper surface of the fixing member 17, that is, at the position facing the back surface of the wheel cover body 3, there are four recessed magnet mounting portions 29 for mounting the magnets 27 on a part of the fixing member 17, 29, 29, 29 are provided. These magnet mounting parts 29, 29, 29, 29 are 4
The distance from the upper surface of each magnet 27 to the surface of the wheel cover main body 3 is kept the same.
【0028】ナット形状の磁石27は、ホイールカバー
本体3の中心を基準にして同一半径上かつ円周方向等間
隔関係を満たすように、中心Pを中心にして対称の位置
に配置されている。The nut-shaped magnets 27 are arranged symmetrically with respect to the center P so that the magnets 27 have the same radius with respect to the center of the wheel cover main body 3 and satisfy the circumferential equidistant relation.
【0029】次に、所定の模様(ナット形状の模様)1
1を有する塗膜5がホイールカバー本体3の表面側に形
成された車両用のホイールカバーの製造方法について説
明する。Next, a predetermined pattern (nut-shaped pattern) 1
A method of manufacturing a vehicle wheel cover in which the coating film 5 having No. 1 is formed on the front surface side of the wheel cover body 3 will be described.
【0030】先ず、ホイールカバー本体3を射出成形に
よって所定の形状に成形する。このときホイールカバー
本体3の表面はグレー色を呈している。次に、ナット模
様11に対応した形状の4個の磁石27が上面に埋設さ
れた固定部材17上に所定の形状のホイールカバー本体
3を載置する。この時、ホイールカバー本体3のスプル
ー26部分を把持孔部24に挿入した後に、エアーシリ
ンダー30を駆動して、ロッドを本体内に引き込ませ、
ガイド部材21の傾斜面に挟持装置23の外周を摺動さ
せてスプルー26を下方に引く。これにより、ホイール
カバー本体3の裏面側が固定部材17の上面に密着状態
で固定される。また、この状態では、ホイールカバー本
体3の表面部分に、磁石27による磁場が形成される。
この場合、ホイールカバー本体3の表面部分で、磁力線
の方向がホイールカバー本体3の表面近傍すなわち、非
接触の距離を保って、かつ磁場が磁性体を移動さすのに
充分な磁力が及ぶ位置でホイールカバー本体3の表面に
形成される塗膜の表面とほぼ平行になる位置が、ナット
模様11の輪郭線のほぼ中央部と略一致するように磁石
27の周縁形状が形成されている。First, the wheel cover body 3 is molded into a predetermined shape by injection molding. At this time, the surface of the wheel cover body 3 has a gray color. Next, the wheel cover body 3 having a predetermined shape is placed on the fixing member 17 in which four magnets 27 having a shape corresponding to the nut pattern 11 are embedded in the upper surface. At this time, after inserting the sprue 26 portion of the wheel cover body 3 into the grip hole portion 24, the air cylinder 30 is driven to pull the rod into the body,
The outer circumference of the holding device 23 is slid on the inclined surface of the guide member 21 to pull the sprue 26 downward. As a result, the rear surface side of the wheel cover body 3 is fixed in close contact with the upper surface of the fixing member 17. Further, in this state, a magnetic field is formed by the magnet 27 on the surface portion of the wheel cover body 3.
In this case, in the surface portion of the wheel cover body 3, the direction of the magnetic force lines is in the vicinity of the surface of the wheel cover body 3, that is, at a position where a non-contact distance is maintained and the magnetic field exerts sufficient magnetic force to move the magnetic body. The peripheral shape of the magnet 27 is formed so that the position substantially parallel to the surface of the coating film formed on the surface of the wheel cover body 3 substantially coincides with the substantially central portion of the contour line of the nut pattern 11.
【0031】そして、多数の微細なフレーク状の磁性体
35(この実施例の場合には、表面が銀白色を呈するNi
の微粉末)と溶剤とを共に、ほぼ均一に混在させた透明
な液状塗料33を例えばスプレーガン31によりホイー
ルカバー本体3の表面に均一に塗布する。そして、ホイ
ールカバー本体3の表面に到達した塗料中の磁性体35
は、磁場の影響を受けて、磁力線の方向に沿って姿勢が
変化するとともに幾分かは磁石の方向に移動する。A large number of fine flake-shaped magnetic bodies 35 (in the case of this embodiment, the surface of which is silver-white Ni is used).
And a solvent are applied to the surface of the wheel cover main body 3 with a transparent liquid paint 33, for example, with a spray gun 31. Then, the magnetic material 35 in the paint that has reached the surface of the wheel cover body 3
Under the influence of the magnetic field, the posture changes along the direction of the magnetic force lines, and some moves toward the magnet.
【0032】これを図4(a)から図4(d)にもとづ
いて説明する。図4(a)はホイールカバー本体3のナ
ット模様11を正面から見たときの模様の形状と磁石の
形状との関係を示す。同図において磁石27は外周線2
7aが正六角形で中央に丸い抜穴27cが形成され、こ
の抜穴27cによって形成された内周縁27bを有する
ナット形状の磁石である。模様11の輪郭線は二つ現出
しており、外周縁側の輪郭線49aと内周縁側の輪郭線
49bはそれぞれ、所定の幅を有しており、それぞれの
輪郭線の中央部分49が実線で示されている。そしてこ
の模様11は輪郭線49a、49bの部分が他の部分よ
り白く見え、中央部分49が輪郭線の中で最も白く見え
る部分である。This will be described with reference to FIGS. 4 (a) to 4 (d). FIG. 4A shows the relationship between the shape of the nut pattern 11 of the wheel cover body 3 and the shape of the magnet when viewed from the front. In the same figure, the magnet 27 has a peripheral line 2
7a is a regular hexagon, and a round hole 27c is formed in the center, and a nut-shaped magnet having an inner peripheral edge 27b formed by the hole 27c. Two contour lines of the pattern 11 appear, each of the contour line 49a on the outer peripheral edge side and the contour line 49b on the inner peripheral edge side has a predetermined width, and the central portion 49 of each contour line is a solid line. It is shown. In this pattern 11, the contour lines 49a and 49b appear whiter than the other portions, and the central portion 49 is the whitest portion of the contour lines.
【0033】図4(b)はグレー色に見える部分を仮想
の基準線とし、基準線より上の部分は他の部分より白く
見え、他の部分より浮き上って見える部分と、基準線よ
り下の部分は黒く見え、他の部分よりも後退して見える
部分の分布度合いを図4(a)のIV-IV 線に対応させて
示した図である。In FIG. 4B, a gray-colored portion is a virtual reference line. A portion above the reference line appears whiter than the other portion, and a portion that appears to float above the other portion and the reference line. FIG. 4 is a diagram showing the degree of distribution of a portion that appears black in the lower portion and recedes from the other portions, corresponding to line IV-IV in FIG. 4A.
【0034】図4(c)は各部分における塗膜中の磁性
体の代表的な配向を図4(a)のIV-IV 線に対応させて
描いたものである。FIG. 4 (c) shows a typical orientation of the magnetic material in the coating film in each portion in correspondence with the line IV-IV in FIG. 4 (a).
【0035】図4(d)は図4(a)におけるIV-IV 線
に沿う断面図でホイールカバー本体3と塗膜5及び磁石
27の形状と磁力線39、磁性体35の関係を示したも
のである。同図において、磁石27が形成する磁場中の
磁力線39は塗膜中の各部分において特定の方向を向い
ており、その方向に沿って磁性体35が塗膜の面37に
対して特定の方向を向いている。FIG. 4D is a sectional view taken along the line IV-IV in FIG. 4A, showing the relationship between the wheel cover body 3, the coating film 5, the shape of the magnet 27, the magnetic force lines 39, and the magnetic substance 35. Is. In the figure, the magnetic force lines 39 in the magnetic field formed by the magnet 27 are directed in a specific direction in each part in the coating film, and the magnetic body 35 is directed in a specific direction with respect to the surface 37 of the coating film along that direction. Facing.
【0036】上記の説明、及び図4(a)ないし図4
(d)から明らかなように、輪郭線49a、49bの部
分では塗膜5中の磁性体35の大部分が塗膜の面37に
対して立角0°すなわち、塗膜面37に略平行となる部
分となり、正面から入射した光の反射量が他の部分より
も多いので他の部分よりも白く見え、ナット模様を形成
する。The above description and FIGS. 4A to 4
As is apparent from (d), in the contour lines 49a and 49b, most of the magnetic material 35 in the coating film 5 is at an angle of 0 ° to the surface 37 of the coating film, that is, substantially parallel to the coating surface 37. Since the amount of reflection of light incident from the front is larger than other portions, it looks whiter than other portions and forms a nut pattern.
【0037】なお、白く見える輪郭線49a、49bの
中でも最も白く見える部分が中央部分49であり、実線
で示してある。Of the contour lines 49a and 49b that appear white, the most white portion is the central portion 49, which is shown by a solid line.
【0038】ここで、ナット模様11の輪郭線を形成す
るために、磁石27が発生する各磁力線39の向きが塗
膜面37と平行になる位置の測定結果について説明す
る。図5には、磁石27の磁力線39の向きが塗膜面3
7と平行になる部分P1 、P2、P3 ・・PN の位置が
示されている。この図において、磁石27の上面をY
軸、磁石27の側面をX軸とすると、図6に示すよう
に、 0.5≦Y≦7 の範囲でY=5Xの関係が得られる。
尚、Y軸方向の距離が7m/m 以上の場合には輪郭線が不
明瞭であった。Here, the measurement result of the position where the direction of each magnetic force line 39 generated by the magnet 27 is parallel to the coating film surface 37 in order to form the contour line of the nut pattern 11 will be described. In FIG. 5, the direction of the magnetic force lines 39 of the magnet 27 indicates the coating surface 3
The positions of the parts P1, P2, P3, ... PN parallel to 7 are shown. In this figure, the top surface of the magnet 27 is Y
Assuming that the axis and the side surface of the magnet 27 are the X axis, as shown in FIG. 6, the relationship of Y = 5X is obtained within the range of 0.5 ≦ Y ≦ 7.
When the distance in the Y-axis direction was 7 m / m or more, the contour line was unclear.
【0039】この結果によれば、被塗装品の厚み(Y軸
方向の距離)が1mmの場合、輪郭線による模様が形成さ
れる位置の中央部分(X軸方向の距離)は、磁石27の
側面(周縁)から約1/5mmだけ離れた位置に形成され
る。すなわち、磁石の周縁形状を設定する場合、磁力線
39の方向が塗膜面37に略平行となる位置から1/5
mmだけ離れた位置に磁石の周縁が位置する寸法となるよ
うに磁石27の周縁形状を形成して、成形品の所定位置
に配置することにより、所定の輪郭線を有する模様を所
定の位置に形成することが出来る。According to these results, when the thickness of the article to be coated (distance in the Y-axis direction) is 1 mm, the central portion (distance in the X-axis direction) of the position where the pattern by the contour line is formed is the magnet 27. It is formed at a position separated from the side surface (periphery) by about 1/5 mm. That is, when setting the peripheral shape of the magnet, the direction of the magnetic force line 39 is ⅕ from the position where the direction of the magnetic force line is substantially parallel to the coating film surface 37.
By forming the peripheral edge shape of the magnet 27 so that the peripheral edge of the magnet is located at a position separated by mm, and arranging it at a predetermined position of the molded product, a pattern having a predetermined contour line is moved to a predetermined position. Can be formed.
【0040】このように、所定の模様(この場合はナッ
ト模様11)を形成する場合、塗膜5に形成する模様の
輪郭線の位置により、上記実験結果を用いて、模様の輪
郭線に対応する磁石27の周縁形状を塗膜5面に平行方
向で後退させた形状に形成すれば、所定の模様を得るた
めの磁石の形状を容易に設定することが出来る。また、
塗膜5面に平行方向で後退させた磁石27の対応周縁形
状は、所定の模様が複雑な輪郭線を描く場合には、輪郭
線の模様の形状を略相似縮小すれば良い。As described above, when a predetermined pattern (nut pattern 11 in this case) is formed, the position of the contour line of the pattern formed on the coating film 5 is used to correspond to the contour line of the pattern by using the above experimental results. By forming the peripheral shape of the magnet 27 to be recessed in a direction parallel to the surface of the coating film 5, it is possible to easily set the shape of the magnet for obtaining a predetermined pattern. Also,
As for the corresponding peripheral shape of the magnet 27 retracted in the direction parallel to the surface of the coating film 5, when a predetermined pattern draws a complicated contour line, the shape of the contour line pattern may be reduced by substantially similar shapes.
【0041】次に、厚みT1 の被塗装品43と、厚みT
2 の被塗装品45に模様を形成する場合の磁石47の大
きさについて説明する。なお、図7において、α1 、α
2 は被塗装品43、45に形成した模様の輪郭線の中央
部分と磁石47の周縁との差を示す。磁石47は、円板
状で中央部分に貫通穴が形成されているものを例にとっ
て説明する。そして、被塗装品43、45にそれぞれ使
用する磁石47の中心からの外周までの寸法をSOUT1、
SOUT2とし、中心から内周までの寸法をSIN1、SIN2
とする。また、模様の外側に位置する輪郭線の中央部分
からの必要寸法をLOUT とし、模様の内側に位置する輪
郭線の中央部分からの必要寸法LINとする。Next, the article to be coated 43 having the thickness T1 and the thickness T
The size of the magnet 47 when a pattern is formed on the second article 45 to be coated will be described. In FIG. 7, α1, α
2 indicates the difference between the central portion of the contour line of the pattern formed on the articles 43 and 45 to be coated and the peripheral edge of the magnet 47. The magnet 47 will be described as an example of a disk-shaped one having a through hole formed in the central portion. The dimension from the center to the outer circumference of the magnet 47 used for the articles 43 and 45 to be coated is S OUT1 ,
S OUT2, and the size from the center to the inner circumference is S IN1 and S IN2
And Further, the required dimension from the central portion of the contour line located outside the pattern is L OUT, and the required dimension L IN from the central portion of the contour line located inside the pattern.
【0042】この図から明らかなように、使用する磁石
47の大きさと定められた輪郭の中央部分の大きさとの
関係は、以下の式で表される。As is clear from this figure, the relationship between the size of the magnet 47 used and the size of the central portion of the defined contour is expressed by the following equation.
【0043】SOUT1=LOUT −α1 SOUT2=LOUT −α2 SIN1 =LIN+α1 SIN2 =LIN+α2 ここでα1 、α2 は被塗装品の厚さT1 、T2 によって
異なる値であり、前記の計算式及び/又は図6にもとず
いて求めればよい。S OUT1 = L OUT -α1 S OUT2 = L OUT -α2 S IN1 = L IN + α1 S IN2 = L IN + α2 where α1 and α2 are different values depending on the thickness T1 and T2 of the article to be coated, It may be obtained based on the above calculation formula and / or FIG.
【0044】上式から、塗膜面の近傍に磁力線の方向が
塗膜面と平行になる部分が模様の輪郭線の中央部分と略
一致するように周縁形状が形成され、かつ磁石の対応周
縁形状を塗膜面に平行方向で後退させた形状に磁石47
を形成すれば、所定の形状(大きさ)の輪郭の模様を形
成することが出来る。From the above equation, the peripheral edge shape is formed in the vicinity of the coating film surface such that the portion where the direction of the magnetic force lines is parallel to the coating film surface substantially coincides with the central portion of the contour line of the pattern, and the corresponding peripheral edge of the magnet. The magnet 47 has a shape that recedes in a direction parallel to the coating surface.
By forming, it is possible to form a contour pattern having a predetermined shape (size).
【0045】さらに、模様を形成する被塗装品の厚さが
厚くなると、同じ場所に輪郭線を形成する場合には、磁
力線の向きが塗膜面と略平行になる位置を同じ位置にす
るために、磁石47の周縁形状を薄いものの場合より小
さくする。Further, when the thickness of the article to be coated forming the pattern becomes thicker, when the contour line is formed at the same position, the positions where the directions of the magnetic force lines are substantially parallel to the coating surface are set to the same position. In addition, the peripheral shape of the magnet 47 is made smaller than that of a thin magnet.
【0046】なお、上記実施例では、成形品本体の裏面
側に磁石を配置して、磁場を成形品本体に形成した例を
示したが、成形品本体の裏面側の形状が複雑な形状で磁
石を密着状態で配置することが出来ない場合には、図8
に示すように、成形品本体の表面側(塗膜面側)に磁石
を配置しても良い。この場合には、磁石と成形品本体の
表面との距離dが成形品の厚みと仮定して、この厚みを
考慮して、所定の模様の輪郭線を形成する位置に磁力線
の向きが塗膜面と略平行になる部分を位置させるように
隙間距離dを設定すれば良く、塗膜と磁石の間の寸法は
被塗装品の厚さによる制限をうけず自由に選択できる。In the above embodiment, an example was shown in which a magnet was placed on the back side of the molded product body to form a magnetic field in the molded product body. However, the shape of the back surface of the molded product body is complicated. If it is not possible to place the magnets in close contact,
As shown in, a magnet may be arranged on the surface side (coating surface side) of the molded article body. In this case, assuming that the distance d between the magnet and the surface of the molded article body is the thickness of the molded article, the thickness of the molded article is taken into consideration, and the direction of the magnetic force lines is applied to the position where the contour line of a predetermined pattern is formed. The gap distance d may be set so as to position the portion substantially parallel to the surface, and the dimension between the coating film and the magnet can be freely selected without being limited by the thickness of the article to be coated.
【0047】なお、第1実施例では、磁場が予め形成さ
れている状態で、多数の微細なフレーク状の磁性体を混
在させた塗料を塗布したが、この工程は逆にしてもよ
い。即ち、塗料を塗布した後、未だ塗料が流動性を維持
し、塗膜中の磁性体が移動、向きを変換できる間に、ホ
イールカバー1の表側又は裏側から磁場を形成し、模様
を現出させることも出来る。In the first embodiment, the paint in which a large number of fine flake-shaped magnetic materials are mixed is applied in the state where the magnetic field is formed in advance, but this step may be reversed. That is, after the paint is applied, the paint still maintains its fluidity, and while the magnetic substance in the paint film can move and change its direction, a magnetic field is formed from the front side or the back side of the wheel cover 1 to reveal the pattern. You can also let it.
【0048】本発明に使用する微細なフレーク状磁性体
は、薄板状であることが好ましく、その平面形状には制
限されない。また材質は、鉄、ニッケル、コバルト又は
それらの合金等の強磁性体であって、外からの磁化作用
によって、その方向に強く磁化される物質であることが
好ましい。しかし、ビスマス、アンチモン、銅、亜鉛等
の反磁性体であってもよい。また、磁性体は前記した強
磁性体等に金色物質やアルミニウム色物質に被覆したも
の、又は非磁性体の塗料で着色したものであってもよ
い。その大きさは、長手方向が1〜50μ、好ましくは
20〜50μが好ましい。薄さは5〜20μが好まし
い。The fine flake-shaped magnetic material used in the present invention is preferably in the shape of a thin plate, and is not limited to its planar shape. Further, the material is preferably a ferromagnetic material such as iron, nickel, cobalt or alloys thereof, and is a substance that is strongly magnetized in that direction by an external magnetizing action. However, it may be a diamagnetic substance such as bismuth, antimony, copper or zinc. The magnetic substance may be the above-mentioned ferromagnetic substance coated with a gold-colored substance or an aluminum-colored substance, or may be colored with a non-magnetic paint. The size is preferably 1 to 50 μ in the longitudinal direction, and more preferably 20 to 50 μ. The thickness is preferably 5 to 20 μ.
【0049】本発明に使用する塗料は常温で乾燥もしく
は反応硬化する樹脂が好ましいが、加熱硬化形、UV照
射硬化形であっても差しつかえない。例えばアルキド樹
脂、ポリエステル樹脂、アクリル樹脂、ウレタン樹脂、
ビニル樹脂等であってもよい。溶剤は有機溶剤又は水を
用いる。揮発性溶剤としては希釈性と揮発性とを備えた
もの、例えばシンナー等が好ましい。特に、メチルエチ
ルケトン等の低沸点の溶剤割合を大きくしてやれば速乾
性が向上する。The coating material used in the present invention is preferably a resin that can be dried or cured at room temperature, but it may be a heat-curing type or a UV irradiation-curing type. For example, alkyd resin, polyester resin, acrylic resin, urethane resin,
It may be vinyl resin or the like. As the solvent, an organic solvent or water is used. As the volatile solvent, those having dilutability and volatility, such as thinner, are preferable. In particular, if the proportion of a low boiling point solvent such as methyl ethyl ketone is increased, the quick-drying property is improved.
【0050】磁性体粉末とビヒクルの混合割合は、ビヒ
クル100重量当たり10〜20重量%が好ましい。The mixing ratio of the magnetic powder and the vehicle is preferably 10 to 20% by weight per 100 weight of the vehicle.
【0051】噴霧塗装する塗装機は通常の噴霧塗装に用
いられるものでよく、特に制限されない。The spray coater may be one used for ordinary spray coating and is not particularly limited.
【0052】又、塗料が熱硬化型のときは、塗膜中の磁
性体が移動しなくなった後に、温風や赤外線等により、
適宜加熱する必要がある。塗料がUV硬化型のときは、
同様に水銀ランプ等による紫外線照射が必要である。When the coating material is a thermosetting type, after the magnetic substance in the coating film does not move, it is exposed to warm air, infrared rays, etc.
It is necessary to heat appropriately. When the paint is UV curable,
Similarly, ultraviolet irradiation with a mercury lamp or the like is required.
【0053】なお、上記いずれの実施例においても、磁
性体を含む塗膜面の上にトップコートとして更に磁性体
を含まない透明又は半透明の塗膜を形成するのが好まし
い。In any of the above examples, it is preferable to form a transparent or semitransparent coating film containing no magnetic material as a topcoat on the surface of the coating film containing magnetic material.
【0054】また、塗布は、スプレーに限らず、デッピ
ング、フローコーティング等を含む。The application is not limited to spraying, but includes depping, flow coating and the like.
【0055】[0055]
【発明の効果】以上説明したように本発明に係る所定形
状の輪郭線を有する模様が形成された成形品の製造方法
及びこの製造方法により製造された成形品によれば、所
定の模様を形成するための磁石の形状を容易に設定する
ことが出来る。As described above, according to the method of manufacturing a molded product having a pattern having a predetermined contour line according to the present invention and the molded product manufactured by this manufacturing method, a predetermined pattern is formed. It is possible to easily set the shape of the magnet for doing so.
【図1】ホイールカバーを示す平面図である。FIG. 1 is a plan view showing a wheel cover.
【図2】ホイールカバーを示し、図1のIII-III 線に沿
って切断した断面図である。2 is a cross-sectional view showing a wheel cover, taken along line III-III in FIG. 1. FIG.
【図3】所定の模様を有する塗膜が形成されたホイール
カバーを製造するための装置を示す断面図である。FIG. 3 is a cross-sectional view showing an apparatus for manufacturing a wheel cover on which a coating film having a predetermined pattern is formed.
【図4】本発明に係る所定の模様を有する塗膜が形成さ
れた成形品の製造方法により形成されるナット模様を示
し、(a)はナット模様の平面図であり、(b)はホイ
ールカバー本体に形成した塗膜のグレー色に見える部分
を仮想の基準線とした場合の白色側部分と黒色側部分と
を示す分布度合いを示す図であり、(c)は(b)に分
布度合いを磁性体の姿勢で示した図であり、(d)は磁
石の磁力線と塗膜の関係を示す図4(a)のIV-IV 断面
図である。FIG. 4 shows a nut pattern formed by the method for producing a molded product having a coating film having a predetermined pattern according to the present invention, (a) is a plan view of the nut pattern, and (b) is a wheel. It is a figure which shows the distribution degree which shows the white side part and the black side part when the gray-colored part of the coating film formed in the cover main body is made into a virtual reference line, and (c) is a distribution degree. FIG. 4D is a view showing a posture of a magnetic body, and FIG. 4D is a sectional view taken along line IV-IV in FIG.
【図5】磁石の磁力線の向きが塗膜面に平行なる部分を
示す説明図である。FIG. 5 is an explanatory view showing a portion in which the direction of magnetic force lines of the magnet is parallel to the coating film surface.
【図6】磁力線の向きが塗膜面に平行なる部分の磁石か
らの距離を測定した結果を示す線図である。FIG. 6 is a diagram showing the results of measuring the distance from a magnet in a portion where the direction of magnetic force lines is parallel to the coating surface.
【図7】成形品本体の厚みが変化したときにも所定の模
様を形成するための磁石を示す説明図である。FIG. 7 is an explanatory diagram showing a magnet for forming a predetermined pattern even when the thickness of the molded article body changes.
【図8】磁石を成形品本体の表面側に配置した例を示
す。FIG. 8 shows an example in which magnets are arranged on the front surface side of a molded article body.
1 ホイールカバー(成形品) 3 ホイールカバー本体(成形品本体) 5 塗膜 11 ナット模様(所定の模様) 27 磁石 33 液状塗料 35 磁性体 37 塗膜面 39 磁力線 1 Wheel Cover (Molded Product) 3 Wheel Cover Main Body (Molded Product Main Body) 5 Coating Film 11 Nut Pattern (Predetermined Pattern) 27 Magnet 33 Liquid Paint 35 Magnetic Material 37 Coating Surface 39 Magnetic Field Line
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【手続補正書】[Procedure amendment]
【提出日】平成4年8月7日[Submission date] August 7, 1992
【手続補正1】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】特許請求の範囲[Name of item to be amended] Claims
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【特許請求の範囲】[Claims]
【手続補正2】[Procedure Amendment 2]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】0002[Name of item to be corrected] 0002
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【0002】[0002]
【従来の技術】この種の成形品に模様を付与する方法と
してマスク塗装が広く用いられている。このマスク塗装
は、成形品を所定の形状に成形した後に、所定の形状の
模様部分あるいは、模様以外の部分をマスクで覆い、模
様部分あるいは模様以外の部分に吹き付け塗装等により
塗膜を形成している。2. Description of the Related Art Mask coating is widely used as a method for imparting a pattern to a molded article of this type. The mask painted, after forming the molded article into a predetermined shape, pattern portions of a predetermined shape or cover the portion other than the pattern in the mask, the coating film formed by coating or the like blown to a portion other than the pattern portion or pattern ing.
【手続補正3】[Procedure 3]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】0030[Name of item to be corrected] 0030
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【0030】先ず、ホイールカバー本体3を射出成形に
よって所定の形状に成形する。このときホイールカバー
本体3の表面はグレー色を呈している。次に、ナット模
様11に対応した形状の4個の磁石27が上面に埋設さ
れた固定部材17上に所定の形状のホイールカバー本体
3を載置する。この時、ホイールカバー本体3のスプル
ー26部分を把持孔部24に挿入した後に、エアーシリ
ンダー30を駆動して、ロッドを本体内に引き込ませ、
ガイド部材21の傾斜面に挟持装置23の外周を摺動さ
せてスプルー26を下方に引く。これにより、ホイール
カバー本体3の裏面側が固定部材17の上面に密着状態
で固定される。また、この状態では、ホイールカバー本
体3の表面部分に、磁石27による磁場が形成される。
この場合、ホイールカバー本体3の表面部分で、磁力線
の方向がホイールカバー本体3の表面近傍すなわち、非
接触の距離を保って、かつ磁場が磁性体を移動さすのに
充分な磁力が及ぶ位置でホイールカバー本体3の表面に
形成される塗膜5の表面とほぼ平行になる位置が、ナッ
ト模様11の輪郭線のほぼ中央部と略一致するように磁
石27の周縁形状が形成されている。First, the wheel cover body 3 is molded into a predetermined shape by injection molding. At this time, the surface of the wheel cover body 3 has a gray color. Next, the wheel cover body 3 having a predetermined shape is placed on the fixing member 17 in which four magnets 27 having a shape corresponding to the nut pattern 11 are embedded in the upper surface. At this time, after inserting the sprue 26 portion of the wheel cover body 3 into the grip hole portion 24, the air cylinder 30 is driven to pull the rod into the body,
The outer circumference of the holding device 23 is slid on the inclined surface of the guide member 21 to pull the sprue 26 downward. As a result, the rear surface side of the wheel cover body 3 is fixed in close contact with the upper surface of the fixing member 17. Further, in this state, a magnetic field is formed by the magnet 27 on the surface portion of the wheel cover body 3.
In this case, in the surface portion of the wheel cover body 3, the direction of the magnetic force lines is in the vicinity of the surface of the wheel cover body 3, that is, at a position where a non-contact distance is maintained and the magnetic field exerts sufficient magnetic force to move the magnetic body. The peripheral shape of the magnet 27 is formed so that the position substantially parallel to the surface of the coating film 5 formed on the surface of the wheel cover body 3 substantially coincides with the substantially central portion of the contour line of the nut pattern 11.
【手続補正4】[Procedure amendment 4]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】0035[Correction target item name] 0035
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【0035】図4(d)は図4(a)におけるIV−I
V線に沿う断面図でホイールカバー本体3と塗膜5及び
磁石27の形状と磁力線39、磁性体35の関係を示し
たものである。同図において、磁石27が形成する磁場
中の磁力線39は塗膜中の各部分において特定の方向を
向いており、その方向に沿って磁性体35が塗膜面37
に対して特定の方向を向いている。FIG. 4D shows IV-I in FIG. 4A.
The cross-sectional view taken along the line V shows the relationship between the shape of the wheel cover body 3, the coating film 5, the magnet 27, and the magnetic force lines 39 and the magnetic body 35. In the figure, the magnetic force lines 39 in the magnetic field formed by the magnet 27 are directed in a specific direction in each part of the coating film, and the magnetic substance 35 extends along the direction along which the magnetic substance 35 is applied.
Facing a certain direction against.
【手続補正5】[Procedure Amendment 5]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】0039[Correction target item name] 0039
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【0039】この結果によれば、被塗装品の厚み(Y軸
方向の距離)が1mmの場合、輪郭線による模様が形成
される位置の中央部分(X軸方向の距離)は、磁石27
の側面(周縁)から約1/5mmだけ離れた位置に形成
される。すなわち、磁石27の周縁形状を設定する場
合、磁力線39の方向が塗膜面37に略平行となる位置
から1/5mmだけ離れた位置に磁石の周縁が位置する
寸法となるように磁石27の周縁形状を形成して、成形
品の所定位置に配置することにより、所定の輪郭線を有
する模様を所定の位置に形成することが出来る。According to this result, when the thickness of the article to be coated (distance in the Y-axis direction) is 1 mm, the central portion (distance in the X-axis direction) of the position where the contour pattern is formed is the magnet 27.
Is formed at a position apart from the side surface (peripheral edge) of the same by about 1/5 mm. That is, when the peripheral edge shape of the magnet 27 is set, the magnet 27 has a dimension such that the peripheral edge of the magnet is located at a position separated by 1/5 mm from the position where the direction of the magnetic force lines 39 is substantially parallel to the coating surface 37. By forming the peripheral shape and arranging it at a predetermined position of the molded product, it is possible to form a pattern having a predetermined contour line at a predetermined position.
【手続補正6】[Procedure Amendment 6]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】0040[Item name to be corrected] 0040
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【0040】このように、所定の模様(この場合はナッ
ト模様11)を形成する場合、塗膜5に形成する模様の
輪郭線の位置により、上記実験結果を用いて、模様の輪
郭線に対応する磁石27の周縁形状を塗膜5面に平行方
向で後退させた形状に形成すれば、所定の模様を得るた
めの磁石の形状を容易に設定することが出来る。また、
塗膜面37に平行方向で後退させた磁石27の対応周縁
形状は、所定の模様が複雑な輪郭線を描く場合には、輪
郭線の模様の形状を略相似縮小すれば良い。As described above, when a predetermined pattern (nut pattern 11 in this case) is formed, the position of the contour line of the pattern formed on the coating film 5 is used to correspond to the contour line of the pattern by using the above experimental results. By forming the peripheral shape of the magnet 27 to be recessed in a direction parallel to the surface of the coating film 5, it is possible to easily set the shape of the magnet for obtaining a predetermined pattern. Also,
Corresponding peripheral shape of the magnet 27 is retracted in the direction parallel to the coated surface 37, when a predetermined pattern draw complicated contour may be substantially similar reduced shape of the pattern contour line.
【手続補正7】[Procedure Amendment 7]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】0054[Correction target item name] 0054
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【0054】また、塗布は、スプレーに限らず、デッピ
ング、フローコーティング等を含む。以下、下記の条
件、方法により磁気塗装を行った塗膜断面の観察結果を
図9乃至図22に示す写真及び図面により説明する。 I.条件 (i) 被塗装材 ABS樹脂製平板(1
00×150×2.0mm)やや黄味がかったアイボリ
ー色 (ii) 調整塗料 (1)ベースコート用 (a)主剤「ソフレックス5300N」及び「ソフレッ
クス5000N」の2種類をそれぞれ使用した。・・・
関西ペイント(株)製、アクリルウレタン系樹脂塗料 硬化剤「ソフレックス5300 硬化剤」(主剤「ソフ
レックス5000N」使用の場合は「ソフレックス12
0硬化剤」)・・・関西ペイント(株)製、アクリルウ
レタン系樹脂塗料 混合比(重量) 「ソフレックス5300N」:「ソフレックス5300
硬化剤」=100:15 「ソフレックス5000N」:「ソフレックス120硬
化剤」=100:10 溶剤「レタンPGシンナー」・・・関西ペイント(株)
製、キシレン系シンナーで主剤、硬化剤混合液を薄めて
粘度をフォードカップ#4で12.0〜12.5秒とし
た。 (b)磁性体「NOVAMET FINE WATER
GRADE」・・・インコ社(カナダ)販売のフレー
ク状Ni微粉末 粒度94%マイナス325メッシュのものを分級し平均
粒径約20μ分級品、表面は銀白色の金属光沢を呈す
る。 混合比(重量) ビヒクル:磁性体=100:35 (2)トップコート用 (a)主剤「ソフレックス5000トップクリアー」透
明色・・・関西ペイント(株)製、アクリルウレタン系
樹脂塗料 硬化剤「ソフレックス120硬化剤」・・・関西ペイン
ト(株)製、アクリルウレタン系樹脂塗料 混合比(重量) 主剤:硬化剤=100:10 (iii)磁石 「マグラバー14VS」・・・ニチレイマグネット
(株)製、シート状ゴム磁石(厚さ2.0mm、一面が
N極、他面がS極)のものを所定形状に打抜き使用。 残留磁束密度2342G、最大エネルギー積1.39M
GOe II.模様サンプル作製方法 上記シート状ゴム磁石を図9に示すような寸法のドーナ
ツ状に押し抜き、そのN極面を被塗装材の裏面に向くよ
うにして接着テープにて貼り付けた。次に被塗装材の表
面側より上記調整ベースコート用塗料(主剤は「ソフレ
ックス5300N」を使用)をスプレーガンにて固化後
の塗膜厚が20〜30μになるように塗布した。その
後、2〜3分間自然放置して、磁性体が塗膜中で移動し
ない状態にした後に、更に約30分間自然放置して溶剤
を揮発させた後、前記磁石を被塗装材より取り外してか
ら、乾燥装置にかけ、形成された塗膜を固化させた。そ
の後、更にトップコート用塗料を固化後の塗膜厚約40
μになるように塗布し、乾燥装置にかけて固化させサン
プルとした。尚、模様は、ベースコート用塗料の塗布時
より現出し形成されるのが被塗装材表面側より視認でき
た。次に主剤として「ソフレックス5000N」を使用
して上記と同様な塗装を行った場合も、ほぼ同様な結果
が得られた。なお、図9において、模様部分のa〜e部
の凹凸感と視認色の関係は である。 III.検鏡用サンプルの作製方法 検鏡用サンプルとしては、「ソフレックス5300N」
を主剤としたものを使用した。図9のB−B線、B′−
B′線で切断して得られる長方体状のサンプルSを図1
0のようにB−B断面を上方に向けてシャーレにセット
した後、B−B断面が埋まる程度まで溶融樹脂をシャー
レ内に注入して固化させた。サンプルSが固まった樹脂
に埋まっている状態でシャーレより脱型した後、B−B
断面部を顕微鏡観察をするためにサンドペーパーにて磨
き平滑な面を出した。 IV.顕微鏡撮影 顕微鏡 倍率約100倍、写真機付 ベースコート塗膜面のB−B断面をa、b、c、d、e
部に分けて観察及び写真撮影 V顕微鏡観察結果 図9〜図21、および図22参照The application is not limited to spraying, but includes depping, flow coating and the like. The observation results of the cross section of the coating film magnetically coated under the following conditions and methods will be described below with the photographs and drawings shown in FIGS. 9 to 22. I. Conditions (i) Coating material ABS resin flat plate (1
(00 × 150 × 2.0 mm) Slightly yellowish ivory color (ii) Adjustment paint (1) For base coat (a) Two main agents, “Soflex 5300N” and “Soflex 5000N” were used. ...
Kansai Paint Co., Ltd., acrylic urethane resin coating curing agent "Soflex 5300 curing agent"("Soflex12" when using the main agent "Soflex 5000N")
0 curing agent)) ... Acrylic urethane resin paint mix ratio (weight) manufactured by Kansai Paint Co., Ltd. "Soflex 5300N": "Soflex 5300"
Curing agent = 100: 15 "Soflex 5000N": "Soflex 120 curing agent" = 100: 10 Solvent "Retan PG thinner" ... Kansai Paint Co., Ltd.
The viscosity of the Ford cup # 4 was adjusted to 12.0 to 12.5 seconds by diluting the mixed solution of the main agent and the curing agent with xylene thinner. (B) Magnetic material "NOVAMET FINE WATER
GRADE "... Flake Ni fine powder sold by Inco (Canada) with a particle size of 94% minus 325 mesh is classified to have an average particle size of about 20 μ, and the surface has a silver-white metallic luster. Mixing ratio (weight) Vehicle: Magnetic material = 100: 35 (2) For top coat (a) Main ingredient "Soflex 5000 Top Clear" transparent color ... Kansai Paint Co., Ltd. acrylic urethane resin paint curing agent " Soflex 120 curing agent "... Kansai Paint Co., Ltd., acrylic urethane resin paint mixing ratio (weight) Main agent: Curing agent = 100: 10 (iii) Magnet" Magnrubber 14VS "... Nichirei Magnet Co., Ltd. Using a sheet-shaped rubber magnet (thickness 2.0 mm, one side is N pole, the other side is S pole) made by punching into a predetermined shape. Residual magnetic flux density 2342G, maximum energy product 1.39M
GOe II. Pattern sample preparation method The above-mentioned sheet-shaped rubber magnet was punched out into a donut shape having dimensions shown in FIG. 9, and the N-pole surface was attached with an adhesive tape so that the N-pole surface faces the back surface of the material to be coated. Next, the coating material for adjusting base coat (the main component is "Soflex 5300N") was applied from the surface side of the material to be coated with a spray gun so that the coating film thickness after solidification was 20 to 30 µ. Then, after leaving the magnet for 2 to 3 minutes to keep the magnetic material from moving in the coating film, let it stand for about 30 minutes to volatilize the solvent, and then remove the magnet from the material to be coated. Then, it was put into a drying device to solidify the formed coating film. After that, the coating film thickness after solidifying the top coat paint is about 40
The sample was applied so that it had a thickness of μ, and was solidified by applying a drying device to obtain a sample. In addition, it was visible from the surface side of the material to be coated that the pattern was formed and formed from the time of applying the base coat paint. Next, when "Soflex 5000N" was used as the main agent and the same coating as above was performed, almost the same results were obtained. In addition, in FIG. 9, the relationship between the unevenness of the a to e portions of the pattern portion and the visual color is Is. III. Preparation method of sample for speculum As sample for speculum, "Soflex 5300N"
Was used as the main agent. Line BB, B'- in FIG.
A rectangular sample S obtained by cutting along the line B'is shown in FIG.
After being set in a petri dish with the BB cross section facing upward as in 0, the molten resin was injected into the petri dish and solidified until the BB cross section was filled. After removing the mold from the petri dish with the sample S buried in the solidified resin, BB
The cross section was polished with sandpaper to make a smooth surface for microscopic observation. IV. Microscope photograph Microscope magnification about 100 times, with a camera A, b, c, d, e cross section BB of base coat coating film surface
Observation and photography by dividing into parts V Microscope observation results See FIGS. 9 to 21 and 22.
【手続補正8】[Procedure Amendment 8]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】図面の簡単な説明[Name of item to be corrected] Brief explanation of the drawing
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【図面の簡単な説明】[Brief description of drawings]
【図1】ホイールカバーを示す平面図である。FIG. 1 is a plan view showing a wheel cover.
【図2】ホイールカバーを示し、図1のIII−III
線に沿って切断した断面図である。2 shows a wheel cover, III-III of FIG.
It is sectional drawing cut | disconnected along the line.
【図3】所定の模様を有する塗膜が形成されたホイール
カバーを製造するための装置を示す断面図である。FIG. 3 is a cross-sectional view showing an apparatus for manufacturing a wheel cover on which a coating film having a predetermined pattern is formed.
【図4】本発明に係る所定の模様を有する塗膜が形成さ
れた成形品の製造方法により形成されるナット模様を示
し、(a)はナット模様の平面図であり、(b)はホイ
ールカバー本体に形成した塗膜のグレー色に見える部分
を仮想の基準線とした場合の白色側部分と黒色側部分と
を示す分布度合いを示す図であり、(c)は(b)に分
布度合いを磁性体の姿勢で示した図であり、(d)は磁
石の磁力線と塗膜の関係を示す図4(a)のIV−IV
断面図である。FIG. 4 shows a nut pattern formed by the method for producing a molded product having a coating film having a predetermined pattern according to the present invention, (a) is a plan view of the nut pattern, and (b) is a wheel. It is a figure which shows the distribution degree which shows the white side part and the black side part when the gray-colored part of the coating film formed in the cover main body is made into a virtual reference line, and (c) is a distribution degree. FIG. 4D is a diagram showing the posture of the magnetic body, and FIG. 4D is a IV-IV of FIG. 4A showing the relationship between the magnetic field lines of the magnet and the coating film.
FIG.
【図5】磁石の磁力線の向きが塗膜面に平行なる部分を
示す説明図である。FIG. 5 is an explanatory view showing a portion in which the direction of magnetic force lines of the magnet is parallel to the coating film surface.
【図6】磁力線の向きが塗膜面に平行なる部分の磁石か
らの距離を測定した結果を示す線図である。FIG. 6 is a diagram showing the results of measuring the distance from a magnet in a portion where the direction of magnetic force lines is parallel to the coating surface.
【図7】成形品本体の厚みが変化したときにも所定の模
様を形成するための磁石を示す説明図である。FIG. 7 is an explanatory diagram showing a magnet for forming a predetermined pattern even when the thickness of the molded article body changes.
【図8】磁石を成形品本体の表面側に配置した例を示
す。FIG. 8 shows an example in which magnets are arranged on the front surface side of a molded article body.
【図9】被塗装品の表面に磁気塗装によって形成された
塗膜に現出した模様と磁石の位置関係を示し、(a)は
正面図であり、(b)は(a)のA−A線に沿って切断
した断面図である。FIG. 9 shows a positional relationship between a magnet and a pattern appearing on a coating film formed by magnetic coating on the surface of an article to be coated, (a) is a front view, and (b) is A- of (a). It is sectional drawing cut | disconnected along the A line.
【図10】顕微鏡により観察するためのサンプルSを示
し、(a)はサンプルをシャーレ内に収容した状態を示
す斜視図であり、(b)は顕微鏡で観察する位置を示し
た斜視図である。FIG. 10 shows a sample S to be observed with a microscope, (a) is a perspective view showing a state where the sample is stored in a petri dish, and (b) is a perspective view showing a position to be observed with the microscope. ..
【図11】磁気塗装による塗膜中のフレークが塗膜面に
対しランダムな立角を示し、(a)は顕微鏡写真であ
り、(b)は顕微鏡写真を模写にした説明図である。11A and 11B are flakes in a coating film formed by magnetic coating showing a random vertical angle with respect to the coating film surface, FIG. 11A is a microscope photograph, and FIG. 11B is an explanatory view copying a microscope photograph.
【図12】磁気塗装による塗膜中のフレークが塗膜面に
対しやや左上りの立角を示し、(a)は顕微鏡写真であ
り、(b)は顕微鏡写真を模写にした説明図である。12A and 12B are flakes in a coating film formed by magnetic coating showing an upright angle slightly to the upper left with respect to the coating film surface, FIG. 12A is a microscope photograph, and FIG. ..
【図13】磁気塗装による塗膜中のフレークが塗膜面に
対し左上りの立角が大きくなる状態を示し、(a)は顕
微鏡写真であり、(b)は顕微鏡写真を模写した説明図
である。13A and 13B show a state in which flakes in a coating film formed by magnetic coating have a large upright angle to the upper left with respect to the coating surface, FIG. 13A is a microscope photograph, and FIG. 13B is an explanatory view copying a microscope photograph. Is.
【図14】磁気塗装により塗膜中のフレークがほぼ塗膜
面に平行な状態を示し、(a)は顕微鏡写真であり、
(b)は顕微鏡写真を模写した説明図である。FIG. 14 shows a state where the flakes in the coating film are almost parallel to the coating film surface by magnetic coating, and (a) is a photomicrograph,
(B) is an explanatory view copying a micrograph.
【図15】磁気塗装による塗膜中のフレークが塗膜面に
平行な状態を示し、(a)は顕微鏡写真であり、(b)
は顕微鏡写真を模写した説明図である。FIG. 15 shows a state in which flakes in a coating film formed by magnetic coating are parallel to the coating surface, (a) is a micrograph, and (b) is a photograph.
[Fig. 3] is an explanatory view copying a micrograph.
【図16】磁気塗装による塗膜中のフレークが塗膜面に
対し右端から左端につれて次第に右上りに立角しだして
いる状態を示し、(a)は顕微鏡写真であり、(b)は
顕微鏡写真を模写した説明図である。FIG. 16 shows a state in which flakes in a coating film formed by magnetic coating gradually start to rise from the right end to the left end with respect to the coating surface, (a) is a micrograph, and (b) is a microscope. It is explanatory drawing which copied the photograph.
【図17】磁気塗装による塗膜中のフレークが塗膜面に
対し大きい立角で右上りになっている状態を示し(a)
は顕微鏡写真であり、(b)は顕微鏡写真を模写した説
明図である。FIG. 17 shows a state in which flakes in a coating film formed by magnetic coating are located on the upper right side with a large vertical angle with respect to the coating surface (a).
Is a micrograph, and (b) is an explanatory view copying the micrograph.
【図18】磁気塗装による塗膜中のフレークが塗膜面に
対し右端から左端につれて右上り→左上り立角への状態
を示し、(a)は顕微鏡写真であり、(b)は顕微鏡写
真を模写した説明図である。FIG. 18 shows a state in which flakes in a coating film formed by magnetic coating change from a right end to a left end from the right end to an upper right corner → an upper left corner, and (a) is a photomicrograph and (b) is a photomicrograph. It is explanatory drawing which copied.
【図19】磁気塗装により塗膜中のフレークが塗膜面に
対し右端から左端につれて左上り立角が次第に小さくな
り、次第に塗膜面に平行になっていく状態を示し、
(a)は顕微鏡写真であり、(b)は顕微鏡写真を模写
した説明図である。FIG. 19 shows a state in which flakes in the coating film due to magnetic coating gradually decrease in vertical angle from the right end to the left end with respect to the coating film surface, and gradually become parallel to the coating film surface,
(A) is a microscope photograph, (b) is explanatory drawing which copied the microscope photograph.
【図20】磁気塗装による塗膜中のフレークが塗膜面に
ほぼ平行になっている状態を示し、(a)は顕微鏡写真
であり、(b)は顕微鏡写真を模写した説明図である。FIG. 20 shows a state in which flakes in a coating film formed by magnetic coating are substantially parallel to the coating film surface, (a) is a microscope photograph, and (b) is an explanatory view copying a microscope photograph.
【図21】磁気塗装による塗膜中のフレークが塗膜面に
対し右上り立角になっている状態を示し、(a)は顕微
鏡写真を示し、(b)は顕微鏡写真を模写した説明図で
ある。FIG. 21 shows a state in which flakes in a coating film formed by magnetic coating have an upper right angle with respect to the surface of the coating film, (a) shows a microscope photograph, and (b) shows an explanatory view copying a microscope photograph. Is.
【図22】各観察部位別の顕微鏡観察結果を示す表図で
ある。FIG. 22 is a table showing the results of microscopic observation for each observation site.
【手続補正9】[Procedure Amendment 9]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図4[Name of item to be corrected] Fig. 4
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【図4】 [Figure 4]
【手続補正10】[Procedure Amendment 10]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図6[Name of item to be corrected] Figure 6
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【図6】 [Figure 6]
【手続補正11】[Procedure Amendment 11]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図9[Correction target item name] Figure 9
【補正方法】追加[Correction method] Added
【補正内容】[Correction content]
【図9】 [Figure 9]
【手続補正12】[Procedure Amendment 12]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図10[Name of item to be corrected] Fig. 10
【補正方法】追加[Correction method] Added
【補正内容】[Correction content]
【図10】 [Figure 10]
【手続補正13】[Procedure Amendment 13]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図11[Name of item to be corrected] Fig. 11
【補正方法】追加[Correction method] Added
【補正内容】[Correction content]
【図11】 FIG. 11
【手続補正14】[Procedure Amendment 14]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図12[Correction target item name] Figure 12
【補正方法】追加[Correction method] Added
【補正内容】[Correction content]
【図12】 [Fig. 12]
【手続補正15】[Procedure Amendment 15]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図13[Name of item to be corrected] Fig. 13
【補正方法】追加[Correction method] Added
【補正内容】[Correction content]
【図13】 [Fig. 13]
【手続補正16】[Procedure 16]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図14[Name of item to be corrected] Fig. 14
【補正方法】追加[Correction method] Added
【補正内容】[Correction content]
【図14】 FIG. 14
【手続補正17】[Procedure Amendment 17]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図15[Correction target item name] Fig. 15
【補正方法】追加[Correction method] Added
【補正内容】[Correction content]
【図15】 FIG. 15
【手続補正18】[Procedure 18]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図16[Correction target item name] Fig. 16
【補正方法】追加[Correction method] Added
【補正内容】[Correction content]
【図16】 FIG. 16
【手続補正19】[Procedure Amendment 19]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図17[Name of item to be corrected] Fig. 17
【補正方法】追加[Correction method] Added
【補正内容】[Correction content]
【図17】 FIG. 17
【手続補正20】[Procedure amendment 20]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図18[Name of item to be corrected] Fig. 18
【補正方法】追加[Correction method] Added
【補正内容】[Correction content]
【図18】 FIG. 18
【手続補正21】[Procedure correction 21]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図19[Name of item to be corrected] Fig. 19
【補正方法】追加[Correction method] Added
【補正内容】[Correction content]
【図19】 FIG. 19
【手続補正22】[Procedure correction 22]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図20[Name of item to be corrected] Fig. 20
【補正方法】追加[Correction method] Added
【補正内容】[Correction content]
【図20】 FIG. 20
【手続補正23】[Procedure amendment 23]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図21[Correction target item name] Fig. 21
【補正方法】追加[Correction method] Added
【補正内容】[Correction content]
【図21】 FIG. 21
【手続補正24】[Procedure amendment 24]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図22[Correction target item name] Fig. 22
【補正方法】追加[Correction method] Added
【補正内容】[Correction content]
【図22】 FIG. 22
Claims (4)
面に、多数の微細なフレーク状の磁性体が混在した透明
又は半透明な液状の塗料を塗布して塗膜を形成し、この
塗膜に磁界を付与して、前記磁性体を移動させて所定形
状の輪郭線を有する模様を形成した後に、磁性体が移動
した状態を保持して前記塗膜を固化させて所定の模様が
形成された成形品の製造方法であって、前記塗料の塗布
前又は成形品本体の表面への塗布後でかつ前記塗膜中に
混在した前記磁性体が移動可能な状態にあるときに、前
記塗膜面と非接触で、磁場が前記磁性体を移動さすに充
分な磁力が及ぶ位置に磁力線の方向が前記塗膜面と平行
になる部分が模様の輪郭線の略中央部と略一致するよう
に周縁形状が形成された磁石を配置して前記塗膜中に磁
場を形成し、前記磁力線の方向に沿って前記磁性体を移
動させることを特徴とする所定形状の輪郭線を有する模
様が形成された成形品の製造方法。1. A transparent or translucent liquid coating material containing a large number of fine flake-shaped magnetic materials is applied to the surface of a molded article body molded into a predetermined shape to form a coating film. After a magnetic field is applied to the coating film to move the magnetic material to form a pattern having a contour line of a predetermined shape, the magnetic material is held in a moving state to solidify the coating film to give a predetermined pattern. A method for producing a formed article, wherein the magnetic material mixed in the coating film before application of the coating material or after application to the surface of the article body is in a movable state, The portion where the direction of the magnetic force lines is parallel to the coating film surface at a position where the magnetic field exerts sufficient magnetic force to move the magnetic substance without contacting the coating film surface is substantially coincident with the substantially central portion of the contour line of the pattern. A magnet with a peripheral shape is arranged to form a magnetic field in the coating film. A method of manufacturing a molded product, wherein a pattern having a contour line of a predetermined shape is formed, characterized in that the magnetic body is moved along the direction of the force line.
形状を前記塗膜面に平行方向で後退させた形状に形成し
たことを特徴とする請求項1記載の所定形状の輪郭線を
有する模様が形成された成形品の製造方法。2. The contour line of a predetermined shape according to claim 1, wherein a corresponding peripheral edge shape of the magnet is formed in a shape receding in a direction parallel to the coating surface from the contour line of the pattern. A method for producing a molded article having a pattern formed therein.
の対応周縁形状は模様の輪郭線形状を略相似縮小した形
状である請求項2記載の所定形状の輪郭線を有する模様
が形成された成形品の製造方法。3. A pattern having a contour line of a predetermined shape according to claim 2, wherein a corresponding peripheral edge shape of the magnet retracted in a direction parallel to the coating film surface is a shape obtained by substantially reducing the contour line shape of the pattern. Of manufacturing the molded article.
法により製造された所定形状の輪郭線を有する模様が形
成された成形品。4. A molded product, which is manufactured by the manufacturing method according to claim 1 and has a pattern having a contour line of a predetermined shape.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12066792A JP3187932B2 (en) | 1992-05-13 | 1992-05-13 | Method for manufacturing molded article on which pattern having contour line of predetermined shape is formed |
EP92117952A EP0556449B1 (en) | 1992-02-21 | 1992-10-20 | Painting with magnetically formed pattern and painted product with magnetically formed pattern |
DE69218582T DE69218582T2 (en) | 1992-02-21 | 1992-10-20 | Painting with magnetically produced pattern and lacquered product with magnetically produced pattern |
US07/964,141 US5364689A (en) | 1992-02-21 | 1992-10-21 | Painting with magnetically formed pattern and painted product with magnetically formed pattern |
US08/450,534 US5630877A (en) | 1992-02-21 | 1995-05-25 | Painting with magnetically formed pattern and painted product with magnetically formed pattern |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12066792A JP3187932B2 (en) | 1992-05-13 | 1992-05-13 | Method for manufacturing molded article on which pattern having contour line of predetermined shape is formed |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH05317802A true JPH05317802A (en) | 1993-12-03 |
JP3187932B2 JP3187932B2 (en) | 2001-07-16 |
Family
ID=14791937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12066792A Expired - Fee Related JP3187932B2 (en) | 1992-02-21 | 1992-05-13 | Method for manufacturing molded article on which pattern having contour line of predetermined shape is formed |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3187932B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007527329A (en) * | 2003-07-03 | 2007-09-27 | シクパ・ホールディング・ソシエテ・アノニム | Method and means for providing a magnetically induced pattern in a coating containing magnetic particles |
CN102883891A (en) * | 2010-02-01 | 2013-01-16 | 德拉鲁国际有限公司 | Security elements and methods and apparatus for their manufacture |
-
1992
- 1992-05-13 JP JP12066792A patent/JP3187932B2/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007527329A (en) * | 2003-07-03 | 2007-09-27 | シクパ・ホールディング・ソシエテ・アノニム | Method and means for providing a magnetically induced pattern in a coating containing magnetic particles |
JP2012153147A (en) * | 2003-07-03 | 2012-08-16 | Sicpa Holding Sa | Method and means for producing magnetically induced design in coating containing magnetic particles |
CN102883891A (en) * | 2010-02-01 | 2013-01-16 | 德拉鲁国际有限公司 | Security elements and methods and apparatus for their manufacture |
CN102883891B (en) * | 2010-02-01 | 2016-01-13 | 德拉鲁国际有限公司 | Safety element and the method and apparatus for the manufacture of safety element |
Also Published As
Publication number | Publication date |
---|---|
JP3187932B2 (en) | 2001-07-16 |
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