JP5297939B2 - 磁性プレートレットの2軸アライメント - Google Patents
磁性プレートレットの2軸アライメント Download PDFInfo
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Description
磁場により配向可能な非球形フレークのコーティングを支持するウェブを設けるステップと、
搬送路を画定するラインの一方側に第1および第3の磁石を設け、第1と第3の磁石の間でラインの他方側に第2の磁石を設けるステップであって、第1および第3の磁石は、ラインに向かって同じ極性を有し、第2の磁石は、ラインに向かって、第1および第3の磁石に対して相補的な極性を有し、したがってラインをカバーする第1の磁場が、第1と第2の磁石間に存在し、ラインをカバーする第2の磁場が、第2と第3の磁石の間に存在し、搬送路に沿って移動する、磁場によって配向可能な複数の非球形のフレークが、ウェブが移動しているときに第2の磁石を通過する際、第1の回転を行うように、磁石が配置される、ステップと、
フレークが第1および第2の磁場を連続して通過するように、フレークを支持するウェブと磁石のうちの少なくとも一方を搬送路に沿って相対的に移動させるステップとを含む方法が提供される。
ポリエステル支持体の上部に真空中で薄膜ゴールドツウグリーン(gold-to-green)干渉スタックの真空蒸着を実施することによって、磁性色シフト性顔料を製造した。支持体の一部分を切り取り、さらなる色測定のために残した。堆積物の残りは、初期のFlexの特許に開示されているように、支持体からはずし、すりつぶして20ミクロンの顔料粉末の大きさにした。顔料のプレートレットは、紫外線硬化型の透明なSericol Rotary Screen Ink Vehicle中に20重量%の濃度で分散させ、スクリーン印刷技術を用いて紙の表面に被覆した。プレートレットが非配向の湿った印刷物の半分は、切り取られ、インクは、紫外線を用いて硬化させた。印刷物のもう半分は、プレートレットを配向して、それらのXおよびY軸をウェブに対して平行にするために、磁気アレイ中を走行するウェブに取り付けた。印刷物は、アライメントの完了後に紫外線を用いて硬化させた。オフグロス(off-gloss)が10°のすべての3つの試料の色移動を、Zeiss型スペクトル・ゴニオメータを用いて解析した。図7に、a*b*色移動プロットを示す。ライン701は、非配向プレートレットを含んだ印刷物に対応する。色移動ライン702は、動的磁場中で配向された磁性ゴールドツウグリーン・プレートレットのシート状アライメントに対応する。カーブ703は、ゴールドツウグリーン干渉スタックを用いて真空中で被覆されたポリエステル支持体に対応する。同じ試料の反射輝度は、SF600+型分光光度計を用いて測定した。図8に、反射輝度Yのプロットを示す。
502 矢印、方向
503 インク
504 1個の粒子
506 磁石
507 磁石
508 磁石
509 磁場の方向
601 ウェブ
602 正方形ラベル
603 磁石
604 方向
701 ライン
702 色移動ライン
703 カーブ
902 磁気ホイール
904 磁気ホイール
Claims (14)
- 長尺ウェブによって支持される複数の配向可能な非球形フレークを平坦化する方法であって、
a)磁場により配向可能な非球形フレークのコーティングを支持するウェブを設けるステップと、
b)搬送路の第1の側に第1および第3の磁石を設け、前記第1および第3の磁石の間で前記搬送路の第2の反対側に第2の磁石を設けるステップであって、前記第1および第3の磁石は、同じ極性を有し、前記第2の磁石は、前記第1および第3の磁石に対して相補的な極性を有し、したがって前記搬送路をカバーする第1の磁場が、前記第1と第2の磁石の間に存在し、前記搬送路をカバーする第2の磁場が、前記第2と第3の磁石の間に存在し、前記搬送路に沿って移動する、磁場によって配向可能な複数の非球形のフレークが、前記ウェブと前記磁石間での相対的な移動中に前記第2の磁石を通過するとき、第1の回転を行うように、前記磁石が配置される、ステップと、
c)前記フレークを支持する前記ウェブと、2対の相補的誘引磁石を形成する前記磁石とのうちの少なくとも一方を相対的に移動させるステップとを含む、方法。 - 前記ステップ(c)は、前記搬送路に沿って前記ウェブを移動させるステップを含み、
前記搬送路は、ラインによって画定される、請求項1に記載の方法。 - ステップ(c)は、前記搬送路に沿って前記磁石を移動させるステップを含む、請求項1に記載の方法。
- ステップ(c)は、前記搬送路に沿って前記ウェブおよび前記磁石を移動させるステップを含む、請求項1に記載の方法。
- 前記第1の磁場および前記第2の磁場は、前記ウェブに対して実質的に平行である第1および第2の磁場ラインをそれぞれ有し、
前記第1の磁場ラインは、前記搬送路に対して第1の角度で前記ウェブを横切り、
前記第2の磁場ラインは、前記搬送路に対して第2の角度で前記ウェブを横切り、
前記第1および第2の磁場ラインは、互いに対して平行でなく、前記搬送路に対して直交しない、請求項2に記載の方法。 - 第1、第2および第3の磁石を設ける前記ステップは、前記第2の磁石と同じ前記搬送路の側に配置される第4の磁石を少なくとも設けるステップも含み、
前記第3と第4の磁石の間の第3の磁場が、前記搬送路を横切り、
前記第4の磁石の極性が、前記搬送路を横切る磁場ラインを発生するために、前記第2の磁石の極性と同じであって、前記第3の磁石の極性に対して相補的であり、
前記ウェブまたは前記磁石が移動しているとき、前記搬送路に沿って移動する、磁場によって配向可能な複数の非球形のフレークが、前記第3の磁石を通過する際別の回転を行うように、前記磁石が配置される、請求項1に記載の方法。 - 前記第1および第3の磁石は、第1の回転可能なホイールに埋め込まれ、または支持され、
前記第2の磁石は、第2の回転可能なホイールに埋め込まれ、または支持され、
前記搬送路は、前記第1と第2のホイールの間の領域と一致する、請求項1に記載の方法。 - 第1の磁場が、前記第1と第2の磁石の間に存在し、
第2の磁場が、前記第2と第3の磁石の間に存在し、
前記第1および第2の磁場は、前記搬送路およびウェブ移動方向を横切る、請求項2に記載の方法。 - 前記フレークは、サイズが2から100ミクロンの範囲内である、請求項2に記載の方法。
- 前記フレークのサイズは、20%より大きくは変化しない、請求項9に記載の方法。
- 前記フレークは、予め決められたサイズおよび形状のものである、請求項10に記載の方法。
- 前記第1、第2および第3の磁石は、永久磁石である、請求項2に記載の方法。
- 長尺ウェブによって支持される複数の配向可能な非球形フレークを平坦化する方法であって、
a)磁場により配向可能な非球形フレークのコーティングを支持するウェブを搬送路に沿って設けるステップと、
b)前記搬送路の一方側に第1の複数の磁石を設け、前記搬送路の反対側に第2の複数の磁石を設けるステップであって、前記第1の複数の磁石および前記第2の複数の磁石は、ジグザグ構成で配置され、したがって、それらは、前記搬送路に沿って互いに直接向かい合わず、前記第1の複数の磁石および前記第2の複数の磁石は、前記搬送路の傍らに異なる位置で配置され、前記搬送路に向かって反対の極性を有した磁石の複数の対を形成し、したがって、各対が相補的極性を有し、それによって、前記搬送路を横切る磁場が得られ、前記搬送路に沿って移動する、磁場によって配向可能な複数の非球形のフレークが、前記ウェブに沿って前記磁石を通過するとき、複数の回転を行うように、前記磁石が配置される、ステップと、
c)前記フレークを支持する前記ウェブと、相補的な誘引磁石の対を形成する前記磁石とのうちの少なくとも一方を相対的に移動させるステップとを含む、方法。 - 磁石の隣接した対は、両方の対に対して共通の磁石を有する、請求項13に記載の方法。
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TWI617365B (zh) | 2018-03-11 |
US8137762B2 (en) | 2012-03-20 |
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CN101653758B (zh) | 2013-10-09 |
JP2010042407A (ja) | 2010-02-25 |
KR20160085236A (ko) | 2016-07-15 |
EP2157141A1 (en) | 2010-02-24 |
BRPI0911826A2 (pt) | 2011-07-12 |
US20100040799A1 (en) | 2010-02-18 |
TW201012558A (en) | 2010-04-01 |
RU2009131227A (ru) | 2011-02-27 |
KR101636774B1 (ko) | 2016-07-06 |
RU2499635C2 (ru) | 2013-11-27 |
BRPI0911826B1 (pt) | 2020-06-02 |
CN101653758A (zh) | 2010-02-24 |
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