JP2020142235A - 基体上に液体を塗布するための方法および塗布ユニット - Google Patents
基体上に液体を塗布するための方法および塗布ユニット Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
- B05C1/0834—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets the coating roller co-operating with other rollers, e.g. dosing, transfer rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
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- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
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- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
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- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/10—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the liquid or other fluent material being supplied from inside the roller
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- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/16—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length only at particular parts of the work
- B05C1/165—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length only at particular parts of the work using a roller or other rotating member which contacts the work along a generating line
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
- B05C1/083—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets being passed between the coating roller and one or more backing rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract
Description
2 横断方向
21、22 ノズル(印刷画像)
31、32 (印刷画像)の行
100 印刷装置
101 制御ユニット
102 印刷バー
103 印刷ヘッド
120 基体(記録担体)
140 印刷ユニット
150 定着ユニット
170 塗布ユニット(ラッカユニット)
200 梱包材料のための折り畳みボックス
201 印刷領域
202 ラッカなし領域
301 回転方向
302 液体(ラッカ)
305 制御ユニット(塗布ユニット)
310 塗布ローラ(ラッカローラ)
311 孔
312 軸(塗布ローラ)
313 保管容器(液体)
314 センサ
315 導管
316 ローラ壁
317 外周面(ローラ壁)
318 端面(塗布ローラ)
319 中空室(塗布ローラ)
320 転写ローラ
321 ドクタブレード
322 軸(転写ローラ)
330 キックバックユニット
331 ドクタブレード
332 ノズル(キックバックユニット)
333 (切換)弁
334 第1の物理的圧力(周囲圧力)
335 第2の物理的圧力(キックバック圧力)
336 セグメント
351 (塗布ローラの外周面までの)間隔
352 押し出し力
353 キックバックされた区間
354 キックバックされなかった区間
400 液体を領域選択的に塗布するための方法
401〜403 方法のステップ
Claims (10)
- 基体(120)上に液体(302)を塗布するための塗布ユニットであって、
当該塗布ユニット(170)は、多孔性のローラ壁(316)を備えた中空シリンダ状の塗布ローラ(310)を含み、該塗布ローラ(310)の中空室(319)内に、基体(120)上に塗布されるべき液体(302)が存在しており、前記液体(302)は、内圧に基づき所定の押し出し速度で前記ローラ壁(316)を通って前記塗布ローラ(310)の外周面(317)へと移動し、
当該塗布ユニット(170)は、前記塗布ローラ(310)を所定の回転速度で所定の回転方向(301)に回転させるように構成された運動手段を含み、さらに
当該塗布ユニット(170)は、回転方向(301)で前記基体(120)への転写個所の手前に配置されたキックバックユニット(330)を含み、該キックバックユニット(330)は、領域選択的に液体(302)をキックバック圧力(335)の作用により、前記塗布ローラ(310)の前記外周面(317)から遠ざけて前記塗布ローラ(310)の前記中空室(319)へと押圧するように、構成されており、前記押し出し速度、前記回転速度および前記キックバック圧力(335)は、以下のように互いに調節されている、すなわち、
前記キックバックユニット(330)により前記キックバック圧力(335)が及ぼされた前記塗布ローラ(310)の前記外周面(317)の第1の領域では、該第1の領域が前記転写個所に到達したときに、前記塗布ローラ(310)の前記外周面(317)には実質的に液体(302)が存在せず、さらに
前記キックバック圧力(335)が及ぼされなかった前記塗布ローラ(310)の前記外周面(317)の第2の領域では、該第2の領域が前記転写個所に到達したときに、前記塗布ローラ(310)の前記外周面(317)には液体(302)が存在する
ように互いに調節されている、
基体(120)上に液体(302)を塗布するための塗布ユニット。 - 前記キックバックユニット(330)は、前記塗布ローラ(310)の前記外周面(317)に向けられたノズル開口部を備えたノズル(332)を含み、
前記ノズル開口部は所定の横断面積を有し、さらに
前記ノズル(332)は、該ノズル(332)の前記横断面積に応じて区切られた、前記塗布ローラ(310)の前記外周面(317)の領域に、前記キックバック圧力(335)を及ぼすように構成されている、
請求項1記載の塗布ユニット。 - 前記キックバックユニット(330)は弁(333)を含み、該弁(333)は前記ノズル(332)を領域選択的に、
前記キックバック圧力(335)を及ぼすために、圧縮されたガス状キックバック流体と、特に圧縮空気と、結合し、または
前記キックバック圧力(335)を及ぼさないようにするために、前記圧縮されたガス状キックバック流体から切り離し、かつ/または前記キックバック流体に比べて低減された物理的圧力(334)を有するガス状流体と結合する
ように構成されている、
請求項2記載の塗布ユニット。 - 前記キックバックユニット(330)は、軸線方向で前記塗布ローラ(310)の前記外周面(317)に沿って、複数のセグメント(336)を有し、さらに
前記キックバックユニット(330)は、前記複数のセグメント(336)の各々において選択的に、前記キックバック圧力(335)を及ぼすように、または前記キックバック圧力(335)を及ぼさないように、構成されている、
請求項1から3までのいずれか1項記載の塗布ユニット。 - 前記複数のセグメント(336)は、2つの隣り合うセグメント(336)間の少なくとも1つのセグメント境界を、前記塗布ローラ(310)の回転軸線(312)に沿って手動でまたは自動的に変位させることができるように、形成されている、
請求項4記載の塗布ユニット。 - 当該塗布ユニット(170)は圧力手段(313、314、315)を含み、該圧力手段(313、314、315)は、前記液体(302)の前記押し出し速度を調整するため、前記塗布ローラ(310)の前記中空室(319)内の静水液圧を調整するように、構成されており、
前記液圧は前記キックバック圧力(335)よりも低い、
請求項1から5までのいずれか1項記載の塗布ユニット。 - 当該塗布ユニット(170)は、回転方向(301)で前記キックバックユニット(330)の手前に配置されたドクタブレード(331)を含み、該ドクタブレード(331)は、液体(302)を前記塗布ローラ(310)の前記外周面(317)から除去するように構成されている、
請求項1から6までのいずれか1項記載の塗布ユニット。 - 当該塗布ユニット(170)は、前記転写個所で前記塗布ローラ(310)とローラニップを形成する転写ローラ(320)を含み、さらに
前記転写ローラ(320)は、液体(302)を前記塗布ローラ(310)の前記外周面(317)から受け入れて、第2の転写個所で基体(120)上に移すように、構成されている、
請求項1から7までのいずれか1項記載の塗布ユニット。 - 前記液体(302)はラッカを含み、かつ/または
前記基体(120)は、前段階で印刷された帯状、枚葉紙状、シート状、またはプレート状の記録担体であり、かつ/または
当該塗布ユニット(170)は、液体(302)の塗布を前記基体(120)上の1つまたは複数の領域(202)では阻止し、前記基体(120)上の1つまたは複数の別の領域(201)では生じさせるように、構成されている、
請求項1から8までのいずれか1項記載の塗布ユニット。 - 基体(120)上に液体(302)を塗布するための方法であって、
当該方法(400)は以下のステップを含む、すなわち、
液体(302)が塗布ローラ(310)の中空室(319)から所定の押し出し速度で、多孔性のローラ壁(316)を通って前記塗布ローラ(310)の外周面(317)へと移動する、ということをもたらすステップ(401)と、
前記塗布ローラ(310)を所定の回転速度で所定の回転方向(301)に回転させるステップ(402)と、さらに
領域選択的に液体(302)を前記塗布ローラ(310)の前記外周面(317)から遠ざけて前記塗布ローラ(310)の前記中空室(319)へと押圧するために、回転方向(301)で前記基体(120)への転写個所の手前に配置されたキックバック個所において、回転している前記塗布ローラ(310)の前記外周面(317)上に、キックバック圧力(335)を選択的に及ぼすステップ(403)とを含み、ただし前記押し出し速度、前記回転速度および前記キックバック圧力(335)は、以下のように互いに調節されている、すなわち、
前記キックバック個所で前記キックバック圧力(335)が及ぼされた前記塗布ローラ(310)の前記外周面(317)の第1の領域では、該第1の領域が前記転写個所に到達したときに、前記塗布ローラ(310)の前記外周面(317)には実質的に液体(302)が存在せず、さらに
前記キックバック個所で前記キックバック圧力(335)が及ぼされなかった前記塗布ローラ(310)の前記外周面(317)の第2の領域では、該第2の領域が前記転写個所に到達したときに、前記塗布ローラ(310)の前記外周面(317)には液体(302)が存在する
ように互いに調節されている、
基体(120)上に液体(302)を塗布するための方法。
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