JP3150767B2 - Manufacturing method of decorative molded products - Google Patents
Manufacturing method of decorative molded productsInfo
- Publication number
- JP3150767B2 JP3150767B2 JP16408992A JP16408992A JP3150767B2 JP 3150767 B2 JP3150767 B2 JP 3150767B2 JP 16408992 A JP16408992 A JP 16408992A JP 16408992 A JP16408992 A JP 16408992A JP 3150767 B2 JP3150767 B2 JP 3150767B2
- Authority
- JP
- Japan
- Prior art keywords
- decorative
- mold
- cavity
- molded product
- decorative sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
【０００１】[0001]
【産業上の利用分野】厚肉の成形品角部にソリやヒケが
生じないようにし、シワのない加飾層を設けることがで
きる加飾成形品の製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of manufacturing a decorative molded product which can prevent a warp or sink from forming at a corner of a thick molded product and can provide a decorative layer without wrinkles.
【０００２】[0002]
【従来の技術】従来の加飾成形品の製造方法としては、
基体シート上に加飾層が形成された加飾シートをキャビ
ティを有する金型Ａに固定し、射出口を有する金型Ｂの
凸部によって加飾シートを金型Ａのキャビティ内に押し
込み、型閉めし、射出成形と同時に成形品表面に加飾シ
ートを形成する方法がある。2. Description of the Related Art As a conventional method for manufacturing a decorative molded product,
A decorative sheet having a decorative layer formed on a base sheet is fixed to a mold A having a cavity, and the decorative sheet is pushed into the cavity of the mold A by a convex portion of a mold B having an injection port. There is a method in which a decorative sheet is formed on the surface of a molded product at the same time as closing and injection molding.
【０００３】また別の製造方法として、加熱されて変形
しやすくなった加飾シートを真空吸引して金型Ａのキャ
ビティ内表面に密着させ、溶融樹脂の射出と同時に成形
品表面に加飾シートを形成する方法がある。As another manufacturing method, a decorative sheet heated and easily deformed is closely attached to the inner surface of a cavity of a mold A by vacuum suction, and simultaneously with injection of molten resin, a decorative sheet is formed on the surface of a molded product. Is formed.
【０００４】[0004]
【発明が解決しようとする課題】しかし、前者の方法で
は、金型Ｂの凸部の立ち上がりが大きく加飾シートをキ
ャビティに押し込む距離が長い場合、加飾シートをキャ
ビティに押し込むときに金型Ｂの凸部の角部が加飾シー
トに強く押し当てられる。このため、加飾シートに損傷
やシワが発生し、きれいな加飾成形品が得られない。However, according to the former method, when the decorative sheet is pushed into the cavity when the decorative sheet is pushed into the cavity when the convex portion of the mold B has a large rise and the distance for pushing the decorative sheet into the cavity is long. Are strongly pressed against the decorative sheet. For this reason, the decorative sheet is damaged or wrinkled, and a beautiful decorative molded product cannot be obtained.
【０００５】また、後者の方法では、加飾シートの加熱
工程や真空吸引工程など製造工程の数が多く生産効率が
悪い。In the latter method, the number of manufacturing steps such as a heating step and a vacuum suction step of the decorative sheet is large, and the production efficiency is low.
【０００６】また、両者の方法とも、厚肉の部分を有す
る成形品では樹脂の体積収縮によるヒケ、歪、ソリが生
じるので、成形品表面が凹んだり加飾の形成位置がずれ
たりしてきれいな加飾成形品が得られない。In both of the methods, sinks, distortions, and warpages occur due to the volume shrinkage of the resin in a molded product having a thick part, so that the surface of the molded product is depressed or the decoration forming position is shifted, so that the cleanness is improved. A decorative molded product cannot be obtained.
【０００７】[0007]
【課題を解決するための手段】この発明は、以上のよう
な問題点を解決するためにつぎのように構成した。つま
り、基体シート上に加飾層が形成された加飾シートを、
キャビティを有する金型Ａに固定し、射出口を有する金
型Ｂの凸部によって加飾シートを金型Ａのキャビティに
押し込み、射出口から溶融樹脂を射出して樹脂圧により
金型Ａのキャビティ表面に加飾シートを密着させ、成形
品の成形と同時に、表面に加飾シートを形成する加飾成
形品の製造方法において、凸部の角部が鋭角を呈さない
金型Ｂで加飾シートを金型Ａのキャビティに押し込んで
金型タッチの状態とし、キャビティ部内に溶融樹脂を射
出し充満させた後型閉めを完了し、金型Ｂの凸部の角部
によって形成される厚肉の角部を有する成形品を冷却す
るように構成した。SUMMARY OF THE INVENTION The present invention is configured as follows to solve the above problems. In other words, a decorative sheet having a decorative layer formed on a base sheet,
The decorative sheet is fixed to the mold A having a cavity, the decorative sheet is pushed into the cavity of the mold A by the convex portion of the mold B having the injection port, the molten resin is injected from the injection port, and the cavity of the mold A is pressed by the resin pressure. In a method of manufacturing a decorative molded article, in which a decorative sheet is adhered to a surface and a decorative sheet is formed on the surface simultaneously with molding of the molded article, the decorative sheet is formed by a mold B in which a corner of a convex portion does not exhibit an acute angle. Is pressed into the cavity of the mold A to bring the mold into a touch state, the molten resin is injected into the cavity to fill the cavity, the mold closing is completed, and the thick wall formed by the corners of the convex portion of the mold B is formed. The molded article having the corners is configured to be cooled.
【０００８】この発明は、加飾シートが、基体シート上
に、剥離層・加飾層・接着層よりなる転写層が形成され
たものであって、転写層のみを成形品表面に形成し基体
シートを剥離するものでもよい。According to the present invention, the decorative sheet comprises a base sheet and a transfer layer comprising a release layer, a decorative layer and an adhesive layer formed on the base sheet. The sheet may be peeled off.
【０００９】[0009]
【実施例】以下、図面を参照しながら実施例を詳しく説
明する。図１〜４はこの発明の加飾成形品の製造方法の
一工程の断面図である。図５および図６は、この発明の
製造方法に用いられる金型の一例の断面図である。図７
はこの発明の製造方法によって得られた加飾成形品の断
面図である。図８はこの発明の製造方法によって得られ
た加飾成形品の斜視図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments will be described in detail with reference to the drawings. 1 to 4 are cross-sectional views showing one step of the method for manufacturing a decorative molded product according to the present invention. 5 and 6 are cross-sectional views of an example of a mold used in the manufacturing method of the present invention. FIG.
FIG. 2 is a sectional view of a decorative molded product obtained by the production method of the present invention. FIG. 8 is a perspective view of a decorative molded product obtained by the manufacturing method of the present invention.
【００１０】この発明を工程順に説明する。まず、次の
ような加飾成形装置を準備する。加飾成形装置は、キャ
ビティ１３を有する金型Ａ１１と、射出口１４を有する
金型Ｂ１２と、加飾シート２を金型Ａ１１の表面に固定
するクランプ装置２１と、金型の型閉め型開きを行う金
型駆動装置５と、キャビティ部７内に溶融樹脂６１を射
出する射出装置６とからなる。The present invention will be described in the order of steps. First, the following decorative molding device is prepared. The decorative molding device includes a mold A11 having a cavity 13, a mold B12 having an injection port 14, a clamp device 21 for fixing the decorative sheet 2 to the surface of the mold A11, and a mold closing mold opening. And an injection device 6 for injecting the molten resin 61 into the cavity 7.
【００１１】金型Ｂ１２は、金型Ａ１１のキャビティ１
３に加飾シート２を押し込む凸部３を有しており、凸部
３の角部３１が鋭角を呈さない形状である。鋭角を呈さ
ない形状とは、凸部３が加飾シート２をキャビティ１３
に押し込んだとき、加飾シート２に傷やシワが発生しな
い形状であり、たとえば、凸部３の角部３１が丸みを帯
びた形状（図５、図６参照）、断面が鋭角を呈さない多
角形形状（図１参照）などがある。The mold B12 is a cavity 1 of the mold A11.
3 has a convex portion 3 for pushing the decorative sheet 2, and the corner portion 31 of the convex portion 3 has a shape that does not exhibit an acute angle. The shape which does not exhibit an acute angle means that the convex portion 3 forms the decorative sheet 2 with the cavity 13.
When the decorative sheet 2 is pushed into the decorative sheet 2, the decorative sheet 2 does not have any scratches or wrinkles. For example, the corners 31 of the projections 3 are rounded (see FIGS. 5 and 6), and the cross section does not exhibit an acute angle. There are polygonal shapes (see FIG. 1) and the like.
【００１２】加飾シート２は、成形品４表面を加飾する
ためのシートであり、長尺状の基体シート上に、剥離
層、加飾層、接着層などからなる転写層が形成されたも
のである。基体シートは、ポリエチレンテレフタレート
やポリプロピレン、ポリブチレンテレフタレートなどの
フィルム状物である。剥離層は基体シートと加飾層との
剥離性を付与する樹脂層である。加飾層は成形品表面に
装飾性や機能性を付与する層である。加飾層は模様や文
字・記号などの印刷インキによる図柄や、導電材で形成
された導電パターンなどがある。必要により金属蒸着層
を有していてもよい。接着層は加飾層と成形品４とを接
着させる樹脂層である。この加飾シート２は、成形品４
表面に密着後、基体シートを剥離し、転写層のみを成形
品４表面に転写するものである。The decorative sheet 2 is a sheet for decorating the surface of the molded article 4, and a transfer layer comprising a release layer, a decorative layer, an adhesive layer and the like is formed on a long base sheet. Things. The base sheet is a film material such as polyethylene terephthalate, polypropylene, or polybutylene terephthalate. The release layer is a resin layer that provides releasability between the base sheet and the decorative layer. The decorative layer is a layer that imparts decorativeness and functionality to the surface of the molded product. The decorative layer includes a pattern, a pattern made of printing ink such as characters and symbols, and a conductive pattern formed of a conductive material. If necessary, it may have a metal deposition layer. The adhesive layer is a resin layer for bonding the decorative layer and the molded product 4. This decorative sheet 2 is a molded product 4
After adhesion to the surface, the base sheet is peeled off, and only the transfer layer is transferred to the surface of the molded article 4.
【００１３】また、加飾シート２は、基体シート上に加
飾層、接着層が形成されたものがある。この場合は、加
飾層や接着層と一緒に基体シートも成形品４表面に設け
られる（図７、図８参照）。The decorative sheet 2 includes a base sheet on which a decorative layer and an adhesive layer are formed. In this case, a base sheet is also provided on the surface of the molded article 4 together with the decorative layer and the adhesive layer (see FIGS. 7 and 8).
【００１４】上記した加飾成形装置を用い、成形品４に
転写される加飾層を有する加飾シート２を、金型Ａ１１
のキャビティ１３に対して所定の位置に位置決めした
後、クランプ装置２１などで金型Ａ１１のパーティング
面に加飾シート２を挟み込み、固定する（図１参照）。The decorative sheet 2 having the decorative layer to be transferred to the molded product 4 is converted into a mold A11 using the decorative molding apparatus described above.
After positioning the decorative sheet 2 at a predetermined position with respect to the cavity 13, the decorative sheet 2 is sandwiched and fixed to the parting surface of the mold A11 by the clamp device 21 or the like (see FIG. 1).
【００１５】加飾シート２は、ロールに巻き取られた状
態から金型間に所定ピッチづつ送り込まれ、成形品に転
写層が形成され、再び別のロールに巻き取られるように
してもよい。あるいは、はじめから必要部分を切り離し
ておき一枚づつ載置するようにしてもよい。The decorative sheet 2 may be fed between the dies at a predetermined pitch from a state of being wound up on a roll, a transfer layer may be formed on a molded product, and the roll may be wound up again on another roll. Alternatively, necessary portions may be cut off from the beginning and placed one by one.
【００１６】つぎに、射出口１４を有する金型Ｂ１２の
凸部３によって加飾シート２を金型Ａ１１のキャビティ
１３に押し込み、金型タッチの状態とする。Next, the decorative sheet 2 is pushed into the cavity 13 of the mold A11 by the convex portion 3 of the mold B12 having the injection port 14, and the mold is brought into a touch state.
【００１７】加飾シート２の押し込みは、金型駆動装置
５の駆動ロッド５１を動作させて、金型Ｂ１２の凸部３
１を金型Ａ１１のキャビティ１３内に突入させて行う。
金型Ｂ１２の凸部３の角部３１が加飾シート２に押し当
てられるが、傷やシワが発生しない。When the decorative sheet 2 is pushed in, the drive rod 51 of the mold driving device 5 is operated, and the convex portion 3 of the mold B12 is moved.
1 is inserted into the cavity 13 of the mold A11.
The corners 31 of the protrusions 3 of the mold B12 are pressed against the decorative sheet 2, but no scratches or wrinkles are generated.
【００１８】金型タッチの状態とは、完全に型閉めが完
了していない状態である。金型タッチの状態とすること
によって、金型Ａ１１のキャビティ１３表面と、キャビ
ティ１３内に突入した金型Ｂ１２表面とによりキャビテ
ィ部７が形成される。キャビティ部７は、所望の成形品
形状の体積よりも大きい体積で、溶融樹脂が充満されて
も外部に流出しない密閉空間である。The state of the mold touch is a state in which the mold is not completely closed. When the mold is touched, the cavity 7 is formed by the surface of the cavity 13 of the mold A11 and the surface of the mold B12 protruding into the cavity 13. The cavity 7 is a closed space that has a volume larger than the volume of the desired molded product shape and does not flow out even if the molten resin is filled.
【００１９】つぎに、金型タッチの状態のままで、金型
Ｂ１２の射出口１４から溶融樹脂６１を射出し、キャビ
ティ部７内に充満させ、射出を完了する。溶融樹脂６１
の射出圧力を受けて、加飾シート２が溶融樹脂の金型Ａ
１１のキャビティ１３表面に押し当てられ密着する（図
３参照）。Next, while the mold is being touched, the molten resin 61 is injected from the injection port 14 of the mold B12 to fill the cavity 7, thereby completing the injection. Molten resin 61
The decorative sheet 2 receives the injection pressure of
11 and is brought into close contact with the surface of the cavity 13 (see FIG. 3).
【００２０】つぎに、型閉めを完了させ、キャビティ部
７を所望の成形品形状の体積にする。金型タッチの状態
のキャビティ部７内の溶融樹脂を圧縮し所望の成形品形
状にする。必要により、型閉めを完了する前に金型Ｂ１
２の射出口１４を封止してもよい。キャビティ部７のう
ち金型Ａ１１の凸部３の角部３１によって成形される部
分は、厚肉の成形品角部４１に相当する（図７、図８参
照）。Next, the closing of the mold is completed, and the volume of the cavity 7 is set to a desired molded product shape. The molten resin in the cavity 7 in the state of the mold touch is compressed to obtain a desired molded product shape. If necessary, mold B1
The second injection port 14 may be sealed. The portion of the cavity 7 formed by the corner 31 of the projection 3 of the mold A11 corresponds to the thick corner 41 of the molded product (see FIGS. 7 and 8).
【００２１】溶融樹脂６１としては、ABS樹脂、ポリカ
ーボネート樹脂、ポリアクリル樹脂、ポリスチロール樹
脂、ポリエーテルサルフォン、ポリエーテルイミド、ポ
リエーテルエーテルケトン、ポリサルフォン、ポリアク
リレート、ポリブチレンテレフタレート、ポリエチレン
テレフタレートなどがある。Examples of the molten resin 61 include ABS resin, polycarbonate resin, polyacryl resin, polystyrene resin, polyethersulfone, polyetherimide, polyetheretherketone, polysulfone, polyacrylate, polybutylene terephthalate, polyethylene terephthalate and the like. is there.
【００２２】つぎに、加飾された成形品４を冷却し、型
開きして、厚肉の成形品角部４１を有する加飾成形品４
を金型から取り出す（図８参照）。Next, the decorated molded article 4 is cooled, the mold is opened, and the decorative molded article 4 having a thick molded article corner 41 is formed.
From the mold (see FIG. 8).
【００２３】この発明では、金型タッチの状態で形成さ
れたキャビティ部に溶融樹脂を充満させ、その後さらに
型閉めするので、溶融樹脂の射出圧が小さくてすむ。し
たがって、加飾シートと溶融樹脂の摩擦が少なく、加飾
シート２にシワや損傷が生じない。また加飾の形成位置
がずれたりしない。According to the present invention, the cavity formed in the state of touching the mold is filled with the molten resin and then the mold is closed, so that the injection pressure of the molten resin can be reduced. Therefore, the friction between the decorative sheet and the molten resin is small, and the decorative sheet 2 is not wrinkled or damaged. Also, the decoration forming position does not shift.
【００２４】また、この発明では、溶融樹脂の充填ムラ
がなく均一に加圧できる。したがって、成形後の冷却に
よる成形品の体積収縮が抑さえられ、加飾成形品角部４
１の肉厚の部分にヒケが生じない。Further, according to the present invention, uniform pressurization can be achieved without uneven filling of the molten resin. Therefore, volume shrinkage of the molded product due to cooling after molding is suppressed, and the decorative molded product corner 4
No sink marks occur in the thick part of 1.
【００２５】また、この発明では、溶融樹脂の温度を十
分にコントロールできる。したがって、大型の加飾成形
品を成形する場合でも、冷却時間が少なくてすむ。In the present invention, the temperature of the molten resin can be sufficiently controlled. Therefore, even when a large decorative molded product is formed, the cooling time can be reduced.
【００２６】[0026]
【発明の効果】この発明の加飾成形品の製造方法は、凸
部の角部が鋭角を呈さない金型Ｂによって加飾シートを
キャビティ内に押し込むようにするとともに、金型タッ
チの状態で溶融樹脂を射出し充満させるとともに加飾シ
ートを金型に密着させ、さらに型閉めして、金型Ｂの凸
部の角部によって形成される厚肉の成形品角部を有する
成形品を得るように構成されている。According to the method for manufacturing a decorative molded product of the present invention, the decorative sheet is pushed into the cavity by the mold B whose corners of the projections do not exhibit an acute angle, and the mold touches the mold. The molten resin is injected and filled, the decorative sheet is brought into close contact with the mold, and the mold is closed to obtain a molded product having a thick molded product corner formed by the convex corner of the mold B. It is configured as follows.
【００２７】したがって、成形品角部にシワや損傷のな
い転写層や加飾シートを設けることができ、しかも厚肉
の成形品角部にヒケが生じないきれいな加飾成形品が得
られる。Therefore, it is possible to provide a transfer layer or a decorative sheet without wrinkles or damages at the corners of the molded product, and to obtain a beautiful decorative molded product without sink marks at the corners of the thick molded product.
【００２８】また、加飾シートをキャビティ内表面に密
着させるための工程や装置を必要としないので生産効率
がよくコストが低くなる。Further, since there is no need for a step or apparatus for bringing the decorative sheet into close contact with the inner surface of the cavity, the production efficiency is high and the cost is low.
【図１】 この発明の加飾成形品の製造方法と加飾成形
装置の一工程の断面図である。FIG. 1 is a cross-sectional view of one step of a method for manufacturing a decorative molded product and a decorative molding apparatus according to the present invention.
【図２】 この発明の加飾成形品の製造方法と加飾成形
装置の一工程の断面図である。FIG. 2 is a cross-sectional view of a process for manufacturing a decorative molded product and a decorative molding device according to the present invention.
【図３】 この発明の加飾成形品の製造方法と加飾成形
装置の一工程の断面図である。FIG. 3 is a cross-sectional view of a process for manufacturing a decorative molded product and a decorative molding device according to the present invention.
【図４】 この発明の加飾成形品の製造方法と加飾成形
装置の一工程の断面図である。FIG. 4 is a cross-sectional view of a process for manufacturing a decorative molded product and a decorative molding device according to the present invention.
【図５】 この発明の製造方法の金型の断面図である。FIG. 5 is a sectional view of a mold according to the manufacturing method of the present invention.
【図６】 この発明の製造方法の金型の断面図である。FIG. 6 is a sectional view of a mold according to the manufacturing method of the present invention.
【図７】 この発明の製造方法によって得られた加飾成
形品の断面図である。FIG. 7 is a cross-sectional view of a decorative molded product obtained by the manufacturing method of the present invention.
【図８】 この発明の製造方法によって得られた加飾成
形品の斜視図である。FIG. 8 is a perspective view of a decorative molded product obtained by the manufacturing method of the present invention.
１１ 金型Ａ １２ 金型Ｂ １３ キャビティ １４ 射出口 ２ 加飾シート ２１ クランプ装置 ３ 凸部 ３１ 角部 ４ 成形品 ４１ 成形品角部 ５ 金型駆動装置 ５１ 駆動ロッド ６ 射出装置 ６１ 溶融樹脂 ７ キャビティ部 REFERENCE SIGNS LIST 11 Mold A 12 Mold B 13 Cavity 14 Injection port 2 Decorative sheet 21 Clamping device 3 Convex portion 31 Corner 4 Molded product 41 Molded product corner 5 Mold drive device 51 Drive rod 6 Injection device 61 Molten resin 7 Cavity Department
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) B29C 45/00 - 45/84 ──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. 7 , DB name) B29C 45/00-45/84
Claims (2)
シートを、キャビティを有する金型Ａに固定し、射出口
を有する金型Ｂの凸部によって加飾シートを金型Ａのキ
ャビティに押し込み、射出口から溶融樹脂を射出して樹
脂圧により金型Ａのキャビティ表面に加飾シートを密着
させ、成形品の成形と同時に、表面に加飾シートを形成
する加飾成形品の製造方法において、凸部の角部が鋭角
を呈さない金型Ｂで加飾シートを金型Ａのキャビティに
押し込んで金型タッチの状態とし、キャビティ部内に溶
融樹脂を射出し充満させた後型閉めを完了し、金型Ｂの
凸部の角部によって形成される厚肉の角部を有する成形
品を冷却することを特徴とする加飾成形品の製造方法。1. A decorative sheet having a decorative layer formed on a base sheet is fixed to a mold A having a cavity, and the decorative sheet is formed by a convex portion of a mold B having an injection port. The decorative resin is pressed into the cavity, the molten resin is injected from the injection port, and the decorative sheet is brought into close contact with the cavity surface of the mold A by the resin pressure, and the decorative sheet is formed on the surface simultaneously with the molding of the molded product. In the manufacturing method, the decorative sheet is pushed into the cavity of the mold A with the mold B in which the corners of the convex portions do not exhibit an acute angle, and the mold is touched, and the molten resin is injected into the cavity to fill the cavity. A method for manufacturing a decorative molded product, comprising: closing a molded product having a thick corner formed by a corner of a convex portion of a mold B;
・加飾層・接着層よりなる転写層が形成されたものであ
って、転写層のみを成形品表面に形成し基体シートを剥
離するものである請求項１記載の加飾成形品の製造方
法。2. The decorative sheet according to claim 1, wherein a transfer layer comprising a release layer, a decorative layer, and an adhesive layer is formed on the base sheet, and only the transfer layer is formed on the surface of the molded article. The method for producing a decorative molded product according to claim 1, wherein the decorative molded product is peeled off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16408992A JP3150767B2 (en) | 1992-05-29 | 1992-05-29 | Manufacturing method of decorative molded products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16408992A JP3150767B2 (en) | 1992-05-29 | 1992-05-29 | Manufacturing method of decorative molded products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05329884A JPH05329884A (en) | 1993-12-14 |
| JP3150767B2 true JP3150767B2 (en) | 2001-03-26 |
Family
ID=15786567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16408992A Expired - Fee Related JP3150767B2 (en) | 1992-05-29 | 1992-05-29 | Manufacturing method of decorative molded products |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3150767B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100427546B1 (en) | 2001-09-06 | 2004-04-30 | 고려용접봉 주식회사 | Basic flux cored wire |
| JP2007098808A (en) * | 2005-10-05 | 2007-04-19 | Kasai Kogyo Co Ltd | Molding method for laminated molded article |
| JP6211503B2 (en) | 2014-10-20 | 2017-10-11 | 東芝機械株式会社 | Molded article manufacturing method, molded article, and molded article manufacturing apparatus |
-
1992
- 1992-05-29 JP JP16408992A patent/JP3150767B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05329884A (en) | 1993-12-14 |
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