JPH0586906B2 - - Google Patents
Info
- Publication number
- JPH0586906B2 JPH0586906B2 JP20974088A JP20974088A JPH0586906B2 JP H0586906 B2 JPH0586906 B2 JP H0586906B2 JP 20974088 A JP20974088 A JP 20974088A JP 20974088 A JP20974088 A JP 20974088A JP H0586906 B2 JPH0586906 B2 JP H0586906B2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- molding
- resin sheet
- plate
- display
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000465 moulding Methods 0.000 claims description 41
- 229920005989 resin Polymers 0.000 claims description 33
- 239000011347 resin Substances 0.000 claims description 33
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 229920003002 synthetic resin Polymers 0.000 claims description 7
- 239000000057 synthetic resin Substances 0.000 claims description 7
- 229920005992 thermoplastic resin Polymers 0.000 claims description 6
- 239000010410 layer Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 7
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000003796 beauty Effects 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920005668 polycarbonate resin Polymers 0.000 description 2
- 239000004431 polycarbonate resin Substances 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- 239000011253 protective coating Substances 0.000 description 2
- 238000003856 thermoforming Methods 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Landscapes
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
この発明は各種銘板に用いられるような比較的
小型の合成樹脂成形表示板、特に表面に文字、数
字、記号、図形等の表示部を凸出状態に備えた表
示板の製造方法に関する。[Detailed Description of the Invention] Industrial Application Field The present invention relates to relatively small synthetic resin molded display boards used for various nameplates, especially display parts such as letters, numbers, symbols, figures, etc. on the surface in a convex state. The present invention relates to a method of manufacturing a display board for use in a display board.
従来の技術
従来、この種の表示板の製作には、合成樹脂シ
ートから切出して製作した表示片を基板上に個々
に貼着する方法、及び射出成形による方法が一般
に採用されている。BACKGROUND ART Conventionally, in the production of this type of display board, a method of individually adhering display pieces cut out from a synthetic resin sheet onto a substrate, and a method of injection molding are generally employed.
発明が解決しようとする課題
しかしながら、前者によるときは、表示片の製
作、その貼付けに多くの手間がかゝり、工業的生
産性に乏しく、コスト高につくという本質的な欠
点がある。一方、後者の射出成形方法は、同一種
類の表示板の大量生産には好適であるものゝ、金
型コストが高くつくために、多品種少量生産には
不向きなものであつた。Problems to be Solved by the Invention However, the former method has the essential disadvantage that it takes a lot of time and effort to produce the display pieces and attach them, resulting in poor industrial productivity and high costs. On the other hand, although the latter injection molding method is suitable for mass production of the same type of display panels, it is unsuitable for high-mix, low-volume production due to high mold costs.
そこで、この発明は、熱成形の技術の応用によ
り、凸出状の表示部を備えた樹脂製表示板を、簡
易かつ廉価に製作しうる方法を提供することを目
的とする。 SUMMARY OF THE INVENTION An object of the present invention is to provide a method for easily and inexpensively manufacturing a resin display board having a convex display section by applying thermoforming technology.
課題を解決するための手段
この発明者は上記の目的において、種々実験と
研究の結果、特定の成形条件下において所謂型押
し成形を行うことによより、成形用樹脂シートの
片面にシヤープな凸出状表示部の形成が可能とな
ることを見出すに至り、本発明を完成したもので
ある。Means for Solving the Problems For the above purpose, as a result of various experiments and research, the present inventor has developed a method to form sharp convexities on one side of a molding resin sheet by performing so-called embossing molding under specific molding conditions. The present invention has been completed by discovering that it is possible to form a dispatch display section.
即ち、この第１発明は、文字、図形等の表示部
に対応する形状の透孔部を板厚方向に貫通して形
成した板状成形型を惑用い、該成形型を平板状の
受板上に重ね合わせ状に配置したのち、上記成形
型上に、加熱によつて抗張力を1.0〜7.0Kg／cm2の
範囲に調整した成形用の熱加塑性樹脂シートを重
ねてすぐさま押圧板で全面的に押圧することによ
り、成形型の透孔部内に樹脂シートの一部を圧入
せしめて凸出状表示部を形成せしめることを特徴
とする合成樹脂成形表示板の製造方法を要旨と
し、第２発明は、上記第１発明の実施において、
成形型を、上面に成形用樹脂シートとは異色の熱
転写着色層を有する転写用フイルムを介して受板
上に重ね合わせるものとし、凸出状表示部の頂面
に上記着色層を転写形成せしめることを特徴とす
るものである。 That is, the first invention utilizes a plate-shaped mold formed by penetrating in the thickness direction a through-hole portion having a shape corresponding to a display portion of characters, figures, etc., and inserts the mold into a flat receiving plate. After that, a thermoplastic resin sheet for molding, whose tensile strength has been adjusted to a range of 1.0 to 7.0 Kg/cm 2 by heating, is placed on top of the mold and immediately pressed over the entire surface with a pressing plate. The gist of this article is a method for manufacturing a synthetic resin molded display board, characterized in that a part of the resin sheet is press-fitted into the through-hole of the mold by pressing the mold with a fixed pressure, thereby forming a convex display part. The invention provides, in carrying out the first invention,
The mold is superimposed on the receiving plate via a transfer film having a heat transfer colored layer of a different color from the molding resin sheet on the upper surface, and the colored layer is transferred and formed on the top surface of the convex display section. It is characterized by this.
成形用の熱可塑性樹脂シートの種類は、特に限
定されるものではない。一般的には塩化ビニル樹
脂、ポリカーボネート樹脂、ABS樹脂等が用い
られるが、用途によつてはスチロール樹脂、アク
リル樹脂等を用いても良い。また該樹脂シート
は、厚さ2.0〜3.0mm程度のものを好適に用い得
る。 The type of thermoplastic resin sheet for molding is not particularly limited. Generally, vinyl chloride resin, polycarbonate resin, ABS resin, etc. are used, but depending on the purpose, styrene resin, acrylic resin, etc. may also be used. Further, the resin sheet may preferably have a thickness of about 2.0 to 3.0 mm.
成形型は、所要の耐熱性を有する剛性材料から
なる板状体であれば採用可能であり、具体的には
例えば鉄板、アルミニウム板等の金属板のほか、
フエノール樹脂板等の耐熱性硬質合成樹脂板を用
いることもできる。該成形型は、その透孔部内に
成形用樹脂シートの一部を圧入せしめて対応形状
の表示部を形成せしめるものであるから、その厚
さが５mmをこえて厚いときは、表示部のシヤープ
な成形が困難なものとなる。 The mold can be a plate-shaped body made of a rigid material with the required heat resistance, and specifically, in addition to metal plates such as iron plates and aluminum plates,
A heat-resistant hard synthetic resin plate such as a phenolic resin plate can also be used. Since the mold is used to press-fit a part of the molding resin sheet into the hole to form a correspondingly shaped display section, if the thickness of the mold exceeds 5 mm, the sharpness of the display section may be reduced. This makes molding difficult.
従つて、その厚さは５mm以下、特に好ましくは
１〜３mm程度ものが用いられる。 Therefore, a thickness of 5 mm or less, particularly preferably about 1 to 3 mm, is used.
成形型を重ね合わせる受板及び成形用樹脂シー
トを押圧する押圧板は、いずれもその作用面を平
坦面に形成した平板状のものを用いるべきであ
り、その材質は成形型のそれと同じく、金属板、
合成樹脂板等を用い得る。押圧板は、若干の弾性
を保有するものを用いても良く、従つて耐熱性の
合成ゴムを用いることもできる。 The receiving plate for overlapping the molds and the pressing plate for pressing the resin sheet for molding should both be flat plates with a flat working surface, and their material should be metal, like that of the mold. board,
A synthetic resin plate or the like may be used. The press plate may be made of a material having some elasticity, and thus may be made of heat-resistant synthetic rubber.
成形時における成形用熱可塑性樹脂シートの加
熱温度は、この発明の実施において特に重要な要
素である。該加熱温度は、樹脂の種類によつて異
るが、熱時における樹脂シートの抗張力をもつて
その範囲を規定することができる。即ち、成形用
樹脂シーートは、成形時における抗張力が、1.0
〜7.0Kg／cm2となる範囲にその加熱温度が規定さ
れる。この熱時抗張力が1.0Kg／cm2未満では、加
熱後の樹脂シートを成形型の上に載置する際の取
扱いが困難なものとなるのみならず、押圧板によ
る押圧成形時において、成形板と受板との重合面
間に樹脂が流動し、成形表示板における表示部の
頂部周縁に有害なバリを生じる。一方、抗張力が
7.0Kg／cm2をこえて高すぎると成形型の透孔部内
への樹脂の圧入が良好に行われ難く、結果的にシ
ヤープな凸出状表示部の形成が困難なものとな
る。成形時の樹脂シートの抗張力の最も好ましい
範囲は、概ね1.5〜5.0Kg／cm2程度である。上記の
ような抗張力が得られる範囲の加熱温度は、例え
ば塩化ビニル樹脂シートの場合で165〜185℃、特
に好ましくは170〜180℃、ポリカーボネート樹脂
シートの場合で185〜205℃、特に好ましくは190
〜200℃、ABS樹脂シートの場合で165〜185℃、
特に好ましくは170〜180℃程度である。 The heating temperature of the thermoplastic resin sheet for molding during molding is a particularly important factor in implementing this invention. The heating temperature varies depending on the type of resin, but its range can be determined by the tensile strength of the resin sheet when heated. In other words, the resin sheet for molding has a tensile strength of 1.0 during molding.
The heating temperature is specified within a range of ~7.0Kg/cm 2 . If the tensile strength at heating is less than 1.0 Kg/cm 2 , not only will it be difficult to handle the heated resin sheet when placing it on the mold, but also the molded plate will The resin flows between the overlapping surfaces of the molded display board and the receiving plate, causing harmful burrs on the top periphery of the display portion of the molded display board. On the other hand, the tensile strength
If it is too high, exceeding 7.0 Kg/cm 2 , it will be difficult to properly press fit the resin into the through hole of the mold, and as a result, it will be difficult to form a sharp convex display area. The most preferable range of tensile strength of the resin sheet during molding is approximately 1.5 to 5.0 kg/cm 2 . The heating temperature within the range where the above tensile strength can be obtained is, for example, 165 to 185°C in the case of a vinyl chloride resin sheet, particularly preferably 170 to 180°C, and 185 to 205°C, particularly preferably 190°C in the case of a polycarbonate resin sheet.
~200℃, 165~185℃ for ABS resin sheet,
Particularly preferably, the temperature is about 170 to 180°C.
押圧板による成形用樹脂シートの押圧力は、10
〜20Kg／cm2程度に設定すべきでであり、これが低
すぎるときは表示部のシヤープな成形が困難であ
り、高すぎると表示部頂面周縁にバリが出るおそ
れが派生する。 The pressing force of the molding resin sheet by the pressing plate is 10
It should be set to about 20 kg/cm 2 . If this is too low, it will be difficult to form the display section sharply, and if it is too high, there is a risk that burrs will appear on the periphery of the top surface of the display section.
転写用フイルムは、成形表示板の表示部の頂面
を異色の着色状態に形成して、顕示力の高い美麗
な表示板を得ようとする場合に用いられる。該転
写用フイルムは、従来一般に市販されているもの
を採用しうるが、その一例を挙げれば、ポリエス
テルフイムを基材とし、その片面に透明保護被
膜、金属蒸着層等からなる着色層、および熱感応
型接着剤層の順次積層からなる熱転写着色層を有
して、成形時に該熱転写着色層を成形樹脂側に転
移せしめるものとしたものが好適に用いられる。 The transfer film is used when the top surface of the display part of a molded display board is colored in a different color to obtain a beautiful display board with high visibility. As the transfer film, conventionally commercially available films can be used. For example, a polyester film is used as a base material, and one side of the film has a transparent protective coating, a colored layer such as a metal vapor deposited layer, and Preferably used is one having a thermal transfer colored layer formed by sequentially laminating heat-sensitive adhesive layers, and the thermal transfer colored layer is transferred to the molding resin side during molding.
実施例
次に、この発明の実施例を添附図面に基いて説
明する。Embodiments Next, embodiments of the present invention will be described with reference to the accompanying drawings.
実施例 １
第１図において、１は定盤、２はその上に載置
した受板、３は更にその上に重ねて載置した成形
型、４は成形用の熱可塑性樹脂シート、５は押圧
板、６はその駆動用取付板を示す。Example 1 In Fig. 1, 1 is a surface plate, 2 is a receiving plate placed on it, 3 is a mold placed on top of it, 4 is a thermoplastic resin sheet for molding, and 5 is a The press plate 6 indicates a mounting plate for driving the press plate.
この実施例において、受板２には、厚さ3.0mm
のアルミニウム合金製平板を、成形型３には厚さ
2.0mmのアルミニウム合金製平板を、また成形用
樹脂シート４には厚さ2.0mmの塩化ビニル樹脂シ
ートを、更にまた押圧板５には下面が平坦な厚さ
3.0mmの耐熱ゴムを用いた。 In this example, the receiving plate 2 has a thickness of 3.0 mm.
An aluminum alloy flat plate with a thickness of
A 2.0 mm aluminum alloy flat plate, a 2.0 mm thick vinyl chloride resin sheet for the molding resin sheet 4, and a flat bottom surface for the pressing plate 5.
3.0mm heat-resistant rubber was used.
また、上記成形型３は、NCルーターを用い
て、求める表示板の表示部に対応する文字形状の
透孔部７を、若干の抜き勾配をもつてテーパー状
に、かつ板厚方向に貫通状態に穿設形成した第２
図に示すようなものを用いた。 In addition, in the mold 3, using an NC router, a character-shaped through hole 7 corresponding to the desired display part of the display board is formed into a tapered shape with a slight draft angle and penetrating in the board thickness direction. The second hole formed in the
The one shown in the figure was used.
そこで、該成形型３を受板２上に重ね合わせ状
態に載置した後、成形用樹脂シート４を予め180
℃に加熱し、該加熱によつて熱時抗張力を1.8
Kg／cm2に調整した状態でこれを上記成形型上に載
置し、すぐさま押圧板５によつて全面的に押圧し
た。この押圧力は概ね15〜16Kg／cm2に設定した。
そして、成形用樹脂シート４の冷却を待つてそれ
を成形型３から取外すことにより、第３図に示す
ような成形表示板８を得た。該表示板８は、表面
に高さ２mmに凸出した表示部９を有し、しかも該
表示部９は頂面周縁がシヤープに角張つていてバ
リを有さず、かつ裏面が略フラツトなものであつ
た。 Therefore, after placing the mold 3 on the receiving plate 2 in an overlapping state, the molding resin sheet 4 is
℃, and by heating, the tensile strength at the time of heating is 1.8.
This was placed on the above-mentioned mold in a state where the weight was adjusted to Kg/cm 2 , and the entire surface was immediately pressed using the pressing plate 5. This pressing force was set at approximately 15 to 16 kg/cm 2 .
Then, by waiting for the molding resin sheet 4 to cool and removing it from the mold 3, a molded display board 8 as shown in FIG. 3 was obtained. The display board 8 has a display section 9 projecting to a height of 2 mm on the surface, and the display section 9 has a sharply angular top surface periphery without any burrs, and a substantially flat back surface. It was hot.
実施例 ２
成形用樹脂シート４として、厚さ2.0mmのポリ
カーボネートシート樹脂を用い、これを190℃に
加熱して抗張力を3.5Kg／cm2に調整した状態で実
施例１と同様の成形操作を行つた。Example 2 A polycarbonate sheet resin with a thickness of 2.0 mm was used as the resin sheet 4 for molding, and the same molding operation as in Example 1 was performed with the resin sheet heated to 190°C and the tensile strength adjusted to 3.5 Kg/cm 2 . I went.
得られた成形表示板は、これも成形状態がシヤ
ープでバリを有しない良好なものであつた。 The obtained molded display board was also in a good molded state with a sharp shape and no burrs.
実施例 ３
第４図に示すように、受板２と成形型３との間
に転写用フイルム１０を介在させてそれらを重ね
合わせるものとした。該転写用フイルム１０は、
ポリエステルフイルム基材上に着色透明保護被膜
を介してアルミニウム蒸着層と熱感応型接着剤層
を設けた金色の熱転写着色層を有するものを用い
た。Example 3 As shown in FIG. 4, a transfer film 10 was interposed between the receiving plate 2 and the mold 3 to overlap them. The transfer film 10 is
A polyester film base material having a golden thermal transfer colored layer with an aluminum vapor deposited layer and a heat sensitive adhesive layer provided through a colored transparent protective coating was used.
その他は前記実施例１と同様にして成形操作を
行つた。なお、成形用樹脂シート４には白色の塩
化ビニル樹脂シートを用いた。 The molding operation was otherwise carried out in the same manner as in Example 1 above. Note that a white vinyl chloride resin sheet was used as the molding resin sheet 4.
その結果、第５図に示すように、成形状態は実
施例１と同様シヤープな外観を有し、かつ表示部
９の頂面に金色の着色層１０ａを有して該着色層
が白色の表示板８ａ面に際立つて浮き出し、顕示
性、美麗性に優れた表示板８を得ることができ
た。 As a result, as shown in FIG. 5, the molded state has a sharp appearance similar to that of Example 1, and has a gold colored layer 10a on the top surface of the display section 9, and the colored layer provides a white display. It was possible to obtain a display board 8 that was prominently embossed on the surface of the board 8a and was excellent in conspicuousness and beauty.
発明の効果
この発明によれば、上述の次第で、特に成形用
樹脂シートの成形時の加熱抗張力の調整により、
シートからの二次的な熱成形、なかでもとくに所
謂型押しの技法を利用して表面に凸出状の表示部
もつた成形表示板を製造することが可能となる。
しかも、成形型における表示部成形用のキヤピテ
イを透孔部として形成した板状の成形型を別途受
板上に重ねた状態にして成形操作を行うものとし
たことにより、押圧成形時、成形型の透孔部内の
空気は、樹脂との置換によつて成形型下面と受板
との間から自然に排出され、成形表示部に気泡痕
を生じることなく、かつ成形時の樹脂シートの抗
張力の上記特定範囲の設定とも相俟つて、バリを
有しないシヤープな成形形状の表示板を得ること
ができる。また、もとよりこの発明の成形方法に
よるときは、成形型に金属板等の平板材料を用
い、これを切削して所要の文字、記号、図形等の
透孔部を形成することによつて該成形型を完成し
うること、かつ成形操作も簡単であることによ
り、成形表示板の廉価な製造を可能とし、少量多
品種の表示板の生産に好適に対応することができ
る。Effects of the Invention According to the present invention, as described above, especially by adjusting the heating tensile strength during molding of the resin sheet for molding,
By secondary thermoforming from a sheet, especially by using a so-called embossing technique, it becomes possible to manufacture a molded display board having a convex display portion on its surface.
Moreover, since the molding operation is carried out with a plate-shaped mold in which the display part molding capitivity is formed as a through-hole section separately stacked on a receiving plate, it is possible to The air in the through-holes is naturally discharged from between the bottom surface of the mold and the receiving plate by being replaced with resin, and the tensile strength of the resin sheet during molding is reduced without creating air bubble marks in the molding display area. Coupled with the setting of the above specific range, it is possible to obtain a display board with a sharp molded shape without burrs. Furthermore, when using the molding method of the present invention, a flat plate material such as a metal plate is used as the mold, and the molding process is performed by cutting the material to form through holes for the required characters, symbols, figures, etc. Since the mold can be completed and the molding operation is simple, it is possible to manufacture molded display boards at low cost, and it is possible to suitably respond to the production of a wide variety of display boards in small quantities.
また、請求項２のように、更に転写用フイルム
を用いて成形するときは、表示部の頂面を任意の
着色状態とした一層顕示性、美麗性に優れた表示
板を簡易に製造することができる。 Furthermore, when molding is performed using a transfer film as in claim 2, it is possible to easily produce a display board with even better visibility and beauty, with the top surface of the display section colored in any desired color. I can do it.
第１図はこの発明の実施例を示す成形装置の概
略断面図、第２図は成形型の一例を示す斜視図、
第３図は第２図の成形型から得られる成形表示板
の斜視図、第４図は他の実施例を示す成形装置の
概略断面図、第５図はそれによつて得られる成形
表示板の一部拡大断面図である。
２……受板、３……成形型、４……成形用熱可
塑性樹脂シート、５……押圧板、７……透孔部、
８，８ａ………成形表示板、９……表示部、１０
……転写用フイルム、１０ａ……転写着色層。
FIG. 1 is a schematic sectional view of a molding device showing an embodiment of the present invention, FIG. 2 is a perspective view showing an example of a mold,
FIG. 3 is a perspective view of a molded display board obtained from the mold shown in FIG. 2, FIG. 4 is a schematic sectional view of a molding apparatus showing another embodiment, and FIG. 5 is a perspective view of a molded display board obtained thereby. It is a partially enlarged sectional view. 2... Receiving plate, 3... Molding die, 4... Thermoplastic resin sheet for molding, 5... Pressing plate, 7... Through-hole portion,
8, 8a... Molded display board, 9... Display section, 10
...Transfer film, 10a...Transfer colored layer.
Claims (1)
部を板厚方向に貫通して形成した板状成形型を用
い、該成形型を平板状の受板上に重ね合わせ状に
配置したのち、上記成形型上に、加熱によつて抗
張力を1.0〜7.0Kg／cm2の範囲に調整した成形用の
熱可塑性樹脂シートを重ねてすぐさま押圧板で全
面的に押圧することにより、成形型の透孔部内に
樹脂シートの一部を圧入せしめて凸出状表示部を
形成せしめることを特徴とする合成樹脂成形表示
板の製造方法。 ２ 成形型を、上面に成形用樹脂シートとは異色
の熱転写着色層を有する転写用フイルムを介して
受板上に重ね合わせるものとし、凸出状表示部の
頂面に上記着色層を転写形成せしめる請求項１記
載の合成樹脂成形表示板の製造方法。[Scope of Claims] 1. Using a plate-shaped mold in which a through-hole portion of a shape corresponding to a display portion of characters, figures, etc. is penetrated in the thickness direction of the plate, the mold is placed on a flat receiving plate. After arranging them in a stacked manner, a thermoplastic resin sheet for molding, whose tensile strength has been adjusted to a range of 1.0 to 7.0 Kg/cm 2 by heating, is placed on top of the mold and immediately pressed all over with a pressing plate. A method for manufacturing a synthetic resin molded display board, comprising: press-fitting a portion of the resin sheet into a through hole of a mold to form a convex display section. 2 The mold is superimposed on the receiving plate via a transfer film having a heat transfer colored layer of a different color from the molding resin sheet on the upper surface, and the colored layer is transferred and formed on the top surface of the convex display part. 2. The method for manufacturing a synthetic resin molded display board according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20974088A JPH0259320A (en) | 1988-08-24 | 1988-08-24 | Manufacture of synthetic resin molded display plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20974088A JPH0259320A (en) | 1988-08-24 | 1988-08-24 | Manufacture of synthetic resin molded display plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0259320A JPH0259320A (en) | 1990-02-28 |
| JPH0586906B2 true JPH0586906B2 (en) | 1993-12-14 |
Family
ID=16577853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20974088A Granted JPH0259320A (en) | 1988-08-24 | 1988-08-24 | Manufacture of synthetic resin molded display plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0259320A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0721601U (en) * | 1993-09-27 | 1995-04-21 | 有限会社シーティージャパン | Large trash storage box that can seal off bad odors and sewage |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02286316A (en) * | 1989-04-08 | 1990-11-26 | Shizuo Yamana | Mold for forming projection on flexible sheet and formation of projection |
| KR100341830B1 (en) * | 2000-03-29 | 2002-06-24 | 김영식 | A manufacturing method for signboard |
| KR100341831B1 (en) * | 2000-03-29 | 2002-06-24 | 김영식 | A manufacturing method for signboard |
| JP4586871B2 (en) * | 2008-03-18 | 2010-11-24 | ソニー株式会社 | Display board |
| DE102012105412A1 (en) * | 2012-06-21 | 2013-12-24 | International Automotive Components Group Gmbh | Illuminable cladding component for a vehicle and method for its manufacture |
-
1988
- 1988-08-24 JP JP20974088A patent/JPH0259320A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0721601U (en) * | 1993-09-27 | 1995-04-21 | 有限会社シーティージャパン | Large trash storage box that can seal off bad odors and sewage |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0259320A (en) | 1990-02-28 |
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