JP2015182042A - Method and device for marking desired portion of sheet-like member - Google Patents
Method and device for marking desired portion of sheet-like member Download PDFInfo
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- JP2015182042A JP2015182042A JP2014062399A JP2014062399A JP2015182042A JP 2015182042 A JP2015182042 A JP 2015182042A JP 2014062399 A JP2014062399 A JP 2014062399A JP 2014062399 A JP2014062399 A JP 2014062399A JP 2015182042 A JP2015182042 A JP 2015182042A
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- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 206010016275 Fear Diseases 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
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- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 229920002614 Polyether block amide Polymers 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
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- 229930195733 hydrocarbon Natural products 0.000 description 1
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- DCYOBGZUOMKFPA-UHFFFAOYSA-N iron(2+);iron(3+);octadecacyanide Chemical compound [Fe+2].[Fe+2].[Fe+2].[Fe+3].[Fe+3].[Fe+3].[Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] DCYOBGZUOMKFPA-UHFFFAOYSA-N 0.000 description 1
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- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
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- 229920006324 polyoxymethylene Polymers 0.000 description 1
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- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920002215 polytrimethylene terephthalate Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
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- 238000003825 pressing Methods 0.000 description 1
- 229960003351 prussian blue Drugs 0.000 description 1
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Landscapes
- Coating Apparatus (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
- Duplication Or Marking (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
本発明は、シート状部材の望む部分をマーキングする方法および装置に関する。
The present invention relates to a method and apparatus for marking a desired portion of a sheet-like member.
不織布（繊維ウェブ含む）や織物あるいは編物などの布帛、あるいは、フィルムや発泡体などのシート状部材が欠点部分（例えば、異物や繊維塊などが存在する部分、皺や亀裂あるいはピンホールなどが存在する部分）を有している場合、後の工程で欠点の補修や欠点の除去を行うことが容易となるよう、例えば特開平８−６９９４１号公報（以降、特許文献１と称することがある）に開示されているように、シート状部材が有する欠点にインクを付与して欠点を明確化することが行われている。
Non-woven fabrics (including fiber webs), fabrics such as woven fabrics or knitted fabrics, or sheet-like members such as films and foams have defective parts (for example, parts where foreign substances or fiber clusters exist, wrinkles, cracks, pinholes, etc.) For example, Japanese Patent Application Laid-Open No. 8-69941 (hereinafter, referred to as Patent Document 1) may facilitate the repair of defects and the removal of defects in later processes. In order to clarify the defects, ink is applied to the defects of the sheet-like member.
本発明者らは特許文献１の開示を参照し、シート状部材の望む部分（例えば、欠点が存在する部分）にインクを付与することを検討した。
しかし、インクが乾燥していない状態でシート状部材を、例えばシート状部材を巻き取る工程などの次の工程へ供した場合、インクを付与した部分と接触したシート状部材の他の部分にインクが付着することがあった。そして、前記他の部分にはインクという異物が存在するものとなり、シート状部材に新たな欠点が生じるという問題があった。
本発明者らは上述の問題を解決するため、シート状部材の望む部分にインクを付与したシート状部材を乾燥機へ導きシート状部材へ熱や熱風を作用させることでインクを乾燥させた後、シート状部材を次の工程へ供することを検討した。しかし、乾燥機によりシート状部材全体が加熱されて、例えば厚さや幅長などのシート状部材全体にかかる諸物性が変化する恐れがあった。
With reference to the disclosure of Patent Document 1, the present inventors studied to apply ink to a desired portion (for example, a portion having a defect) of the sheet-like member.
However, when the sheet-like member is subjected to the next step such as a step of winding the sheet-like member in a state where the ink is not dried, the ink is applied to other portions of the sheet-like member that are in contact with the portion to which the ink has been applied. May stick. In addition, there is a problem that a foreign matter called ink exists in the other portion, and a new defect is generated in the sheet-like member.
In order to solve the above-mentioned problems, the present inventors guide the sheet-like member provided with ink to a desired portion of the sheet-like member to a dryer and dry the ink by applying heat or hot air to the sheet-like member. The use of the sheet-like member for the next step was examined. However, the entire sheet-like member is heated by the dryer, and there are fears that various physical properties of the entire sheet-like member such as thickness and width may change.
そのため、シート状部材の全体にかかる諸物性を変化させることなくシート状部材に付与されたインクを乾燥可能な、シート状部材の望む部分をマーキングする方法および装置が求められた。
Therefore, a method and an apparatus for marking a desired portion of a sheet-like member that can dry ink applied to the sheet-like member without changing various physical properties of the entire sheet-like member have been demanded.
本発明は、シート状部材の全体にかかる諸物性を変化させることなくシート状部材に付与されたインクを乾燥可能な、シート状部材の望む部分をマーキングする方法および装置の提供を目的とする。
An object of the present invention is to provide a method and an apparatus for marking a desired portion of a sheet-like member that can dry ink applied to the sheet-like member without changing various physical properties of the entire sheet-like member.
本発明は、
［１］「シート状部材の望む部分にインクを付与する工程と、
前記シート状部材における前記インクが付与された部分へ選択的に超音波を作用させて、前記インクを乾燥する工程、
を備える、シート状部材の望む部分をマーキングする方法。」
［２］「シート状部材の望む部分にインクを付与できる、インク付与手段、
前記シート状部材における前記インクが付与された部分へ選択的に超音波を作用させて、前記インクを乾燥できる超音波発生装置、
を備える、シート状部材の望む部分をマーキングする装置。」
である。
The present invention
[1] “A step of applying ink to a desired portion of the sheet-like member;
A step of selectively applying ultrasonic waves to a portion of the sheet-like member to which the ink has been applied to dry the ink;
A method for marking a desired portion of a sheet-like member. "
[2] “Ink applying means capable of applying ink to a desired portion of the sheet-like member,
An ultrasonic generator capable of drying the ink by selectively applying an ultrasonic wave to a portion of the sheet-like member to which the ink has been applied;
An apparatus for marking a desired portion of a sheet-like member. "
It is.
本願発明者らは検討を続けた結果、超音波は熱や熱風などと異なり直進性を有しているため所望する箇所へ選択的に作用させることが容易であること、ならびに、超音波の作用によってインクを乾燥できることを見出した。
本発明のシート状部材の望む部分をマーキングする方法は、シート状部材のインクが付与された部分へ選択的に超音波を作用させてインクを乾燥する工程を有している。そのため、シート状部材におけるインクの付与により明確化することを望む部分以外が加熱されるのを抑制して付与されたインクを選択的に乾燥できることから、シート状部材の全体にかかる諸物性を変化させ難い。
As a result of continuous investigations by the inventors of the present application, it is easy to selectively act on a desired location because the ultrasonic wave has straightness unlike heat and hot air, and the action of the ultrasonic wave. Has found that the ink can be dried.
The method for marking a desired portion of the sheet-like member of the present invention includes a step of drying the ink by selectively applying ultrasonic waves to the portion of the sheet-like member to which ink is applied. For this reason, the ink applied to the sheet-like member can be selectively dried by suppressing the heating of the part other than the portion desired to be clarified, thereby changing the physical properties of the entire sheet-like member. It is difficult to let it.
また、本発明のシート状部材の望む部分をマーキングする装置は、シート状部材におけるインクが付与された部分へ選択的に超音波を作用させてインクを乾燥できる超音波発生装置を有している。そのため、シート状部材におけるインクの付与により明確化することを望む部分以外が加熱されるのを抑制して付与されたインクを選択的に乾燥できることから、シート状部材の全体にかかる諸物性を変化させ難い。
Further, the apparatus for marking a desired portion of the sheet-like member of the present invention has an ultrasonic generator capable of drying ink by selectively applying ultrasonic waves to the portion of the sheet-like member to which ink is applied. . For this reason, the ink applied to the sheet-like member can be selectively dried by suppressing the heating of the part other than the portion desired to be clarified, thereby changing the physical properties of the entire sheet-like member. It is difficult to let it.
本発明でいうシート状部材とはシート状の形状をした部材のことを指し、例えば、不織布（繊維ウェブ含む）や織物あるいは編物などの布帛、フィルムやシート状の発泡体などを使用できる。なお、シート状部材は上述した部材単体以外にも、一種類の部材を複数積層した積層体や複数種類の部材を積層した積層体であってもよい。積層方法として、例えば、各部材をただ重ね合わるだけの方法、各部材の構成繊維同士を例えばニードルパンチ処理や水流絡合処理へ供し積層一体化する方法、部材が熱可塑性樹脂を含んでいる場合には熱可塑性樹脂を融解させることで積層一体化する方法、各部材同士をバインダによって接着し積層一体化する方法などを採用できる。
The sheet-like member referred to in the present invention refers to a member having a sheet-like shape, and for example, a nonwoven fabric (including a fiber web), a fabric such as a woven fabric or a knitted fabric, a film, a sheet-like foam, and the like can be used. The sheet-like member may be a laminated body in which a plurality of one type of members or a laminated body in which a plurality of types of members are laminated in addition to the above-described single member. As a laminating method, for example, a method in which each member is simply superimposed, a method in which constituent fibers of each member are subjected to, for example, needle punching or hydroentanglement, and laminating and integration, and the member contains a thermoplastic resin For example, a method of stacking and integrating by melting a thermoplastic resin, a method of stacking and integrating each member with a binder, and the like can be employed.
シート状部材に含まれている成分は適宜選択できるものであり、例えば、ポリオレフィン系樹脂（ポリエチレン、ポリプロピレン、ポリメチルペンテン、炭化水素の一部をシアノ基またはフッ素或いは塩素といったハロゲンで置換した構造のポリオレフィン系樹脂など）、スチレン系樹脂、ポリビニルアルコール系樹脂、ポリエーテル系樹脂（ポリエーテルエーテルケトン、ポリアセタール、フェノール系樹脂、メラミン系樹脂、ユリア系樹脂、エポキシ系樹脂、変性ポリフェニレンエーテル、芳香族ポリエーテルケトンなど）、ポリエステル系樹脂（ポリエチレンテレフタレート、ポリトリメチレンテレフタレート、ポリブチレンテレフタレート、ポリエチレンナフタレート、ポリブチレンナフタレート、ポリカーボネート、ポリアリレート、全芳香族ポリエステル樹脂、不飽和ポリエステル樹脂など）、ポリイミド系樹脂、ポリアミドイミド樹脂、ポリアミド系樹脂（例えば、芳香族ポリアミド樹脂、芳香族ポリエーテルアミド樹脂、ナイロン樹脂など）、二トリル基を有する樹脂（例えば、ポリアクリロニトリルなど）、ウレタン系樹脂、エポキシ系樹脂、ポリスルホン系樹脂（ポリスルホン、ポリエーテルスルホンなど）、フッ素系樹脂（ポリテトラフルオロエチレン、ポリフッ化ビニリデンなど）、セルロース系樹脂、ポリベンゾイミダゾール樹脂、アクリル系樹脂（例えば、アクリル酸エステルあるいはメタクリル酸エステルなどを共重合したポリアクリロニトリル系樹脂、アクリロニトリルと塩化ビニルまたは塩化ビニリデンを共重合したモダアクリル系樹脂など）など公知の有機ポリマーや、金属あるいはガラスなどの無機成分であることができる。 The components contained in the sheet-like member can be appropriately selected. For example, a polyolefin resin (polyethylene, polypropylene, polymethylpentene, a structure in which a hydrocarbon is partially substituted with a cyano group or a halogen such as fluorine or chlorine). Polyolefin resin, etc.), styrene resin, polyvinyl alcohol resin, polyether resin (polyether ether ketone, polyacetal, phenol resin, melamine resin, urea resin, epoxy resin, modified polyphenylene ether, aromatic poly Ether ketone, etc.), polyester resin (polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate, polybutylene naphthalate, polycarbonate, polyrelay , Wholly aromatic polyester resins, unsaturated polyester resins, etc.), polyimide resins, polyamideimide resins, polyamide resins (for example, aromatic polyamide resins, aromatic polyetheramide resins, nylon resins, etc.), having a nitrile group Resins (for example, polyacrylonitrile), urethane resins, epoxy resins, polysulfone resins (polysulfone, polyethersulfone, etc.), fluorine resins (polytetrafluoroethylene, polyvinylidene fluoride, etc.), cellulose resins, polybenzo Imidazole resin, acrylic resin (for example, polyacrylonitrile resin copolymerized with acrylate or methacrylate ester, modacrylic resin copolymerized with acrylonitrile and vinyl chloride or vinylidene chloride, etc.) Throat and known organic polymers, can be an inorganic component such as metal or glass.
なお、これらの有機ポリマーは、直鎖状ポリマーまたは分岐状ポリマーのいずれからなるものでも構わず、また有機ポリマーがブロック共重合体やランダム共重合体でも構わず、また有機ポリマーの立体構造や結晶性の有無がいかなるものでもよい。更には、複数の有機ポリマーを混ぜ合わせたものでもよい。 These organic polymers may be either linear polymers or branched polymers, and the organic polymer may be a block copolymer or a random copolymer, and the three-dimensional structure or crystal of the organic polymer. It may be anything with or without sex. Further, a mixture of a plurality of organic polymers may be used.
シート状部材に含まれている成分は適宜選択するものであるが、後述する超音波発生装置から発生した超音波によってシート状部材におけるインクが付与された部分を選択的に融解あるいは軟化させることにより、インクが付与された部分を選択的に形状変化させて明確化できるように、シート状部材は熱可塑性樹脂を含んでいるのが好ましい。
The components contained in the sheet-like member are appropriately selected. By selectively melting or softening the portion of the sheet-like member to which ink has been applied by ultrasonic waves generated from an ultrasonic generator described later. The sheet-like member preferably contains a thermoplastic resin so that the portion to which the ink is applied can be clarified by selectively changing the shape.
布帛を構成する繊維は、例えば、乾式紡糸法、湿式紡糸法、直接紡糸法（メルトブロー法、スパンボンド法、静電紡糸法、紡糸原液と気体流を平行に吐出して紡糸する方法（例えば、特開２００９−２８７１３８号公報に開示の方法）など）、複合繊維から一種類以上の樹脂成分を除去することで繊維径が細い繊維を抽出する方法、繊維を叩解して分割された繊維を得る方法など公知の方法により得ることができる。 The fibers constituting the fabric may be, for example, a dry spinning method, a wet spinning method, a direct spinning method (melt blow method, spunbond method, electrostatic spinning method, a method of spinning by discharging a spinning stock solution and a gas flow in parallel (for example, JP, 2009-287138, A), etc.), one or more types of resin components are removed from a composite fiber, a fiber with a small fiber diameter is extracted, and fibers are beaten to obtain divided fibers. It can be obtained by a known method such as a method.
布帛を構成する繊維は一種類あるいは複数種類の樹脂成分から構成されてなるものでも構わず、例えば、芯鞘型、海島型、サイドバイサイド型、オレンジ型などの複合繊維を使用できる。また、布帛は捲縮を発現した潜在捲縮性繊維やクリンプを施した繊維、接着繊維を含んでいてもよい。 The fiber constituting the fabric may be composed of one type or a plurality of types of resin components. For example, a core-sheath type, a sea-island type, a side-by-side type, an orange type, or the like can be used. Further, the fabric may contain latent crimpable fibers that have crimped, fibers that have been crimped, and adhesive fibers.
布帛を構成する繊維の繊度は適宜調整するが、前記繊度は０．１〜５０ｄｔｅｘであるのが好ましく、０．５〜３０ｄｔｅｘであるのがより好ましい。また、繊維長も適宜調整するが、前記繊維長は短繊維や長繊維あるいは連続繊維を使用できる。
The fineness of the fibers constituting the fabric is appropriately adjusted. The fineness is preferably 0.1 to 50 dtex, more preferably 0.5 to 30 dtex. The fiber length is also adjusted as appropriate, and the fiber length can be short fiber, long fiber or continuous fiber.
布帛が織物や編物である場合、上述のようにして調製した繊維を、織るあるいは編むことで調製できる。
When the fabric is a woven fabric or a knitted fabric, it can be prepared by weaving or knitting the fibers prepared as described above.
布帛が不織布や繊維ウェブである場合、例えば、カード装置やエアレイ装置などに供することで繊維を絡み合わせて繊維を絡合させた乾式不織布や乾式繊維ウェブ、繊維を溶媒に分散させシート状に抄き繊維を絡合させた湿式不織布や湿式繊維ウェブ、直接法（メルトブロー法、スパンボンド法、静電紡糸法、紡糸原液と気体流を平行に吐出して紡糸する方法（例えば、特開２００９−２８７１３８号公報に開示の方法など）など）を用いて繊維の紡糸を行うと共にこれを捕集してなる不織布や繊維ウェブなどを用いることができる。
そして、不織布や繊維ウェブを構成する繊維同士を絡合および／または一体化するため、例えば、ニードルパンチ処理や水流絡合処理へ供し絡合する方法、繊維同士をバインダで接着によって一体化する方法、あるいは、加熱処理することで不織布や繊維ウェブに含まれている熱可塑性樹脂を融解して繊維同士を一体化する方法などを挙げることができる。なお、加熱処理する方法として、例えば、カレンダーロールにより加熱加圧する方法、ドライヤー装置などの熱風乾燥機により加熱する方法、無圧下で赤外線を照射して熱可塑性樹脂繊維を融解させる方法などを用いることができる。
When the fabric is a non-woven fabric or a fiber web, for example, it is used in a card device or an air lay device to entangle the fibers so that the fibers are intertwined. Wet non-woven fabrics and wet fiber webs entangled with fiber, direct method (melt blow method, spun bond method, electrostatic spinning method, spinning raw solution and gas flow in parallel for spinning (for example, JP-A-2009- The method disclosed in Japanese Patent No. 287138, etc.) can be used to spin fibers and collect nonwoven fabrics or fiber webs.
And, in order to entangle and / or integrate the fibers constituting the nonwoven fabric or the fiber web, for example, a method of entanglement by supplying to a needle punch process or a hydroentanglement process, a method of integrating fibers by bonding with a binder Alternatively, a method of melting the thermoplastic resin contained in the nonwoven fabric or the fiber web by heat treatment and integrating the fibers can be exemplified. In addition, as a heat-treatment method, for example, a method of heating and pressing with a calender roll, a method of heating with a hot air dryer such as a dryer device, a method of melting thermoplastic resin fibers by irradiating infrared rays under no pressure, or the like is used. Can do.
シート状部材を構成する部材がフィルムやシート状の発泡体である場合、例えば、融解した状態の有機ポリマーを型に流し込み成型、発泡処理するなど公知の方法で調製できる。
When the member constituting the sheet-like member is a film or a sheet-like foam, it can be prepared by a known method such as casting a molten organic polymer into a mold and foaming.
上述したようにシート状部材の種類は適宜選択するものであるが、後述する超音波発生装置から発生した超音波によってシート状部材におけるインクが付与された部分を選択的に融解あるいは軟化させることにより、インクが付与された部分を選択的に形状変化させて明確化できるように、シート状部材は不織布や繊維ウェブを含んでいるのが好ましい。シート状部材が不織布や繊維ウェブを含んでいると、シート状部材におけるインクが付与された部分に超音波を作用させた時に、超音波を作用させた部分が選択的に融解あるいは軟化してフィルム状になり易い、および／または、凹みが生じ易い傾向がある。そのため、シート状部材における超音波の作用を受けていない部分と超音波の作用を受けた部分（フィルム状になっている部分および／または凹みが生じた部分）に構造的な違いが生じるものとなり、インクが付与された部分を明確化し易い。
As described above, the type of the sheet-like member is appropriately selected, but by selectively melting or softening a portion of the sheet-like member to which ink has been applied by ultrasonic waves generated from an ultrasonic generator described later. The sheet-like member preferably contains a non-woven fabric or a fiber web so that the portion to which the ink is applied can be clarified by selectively changing the shape. When the sheet-like member contains a non-woven fabric or a fiber web, when the ultrasonic wave is applied to the ink-applied part of the sheet-like member, the ultrasonically applied part is selectively melted or softened. It tends to become a shape and / or a dent tends to occur. Therefore, there is a structural difference between the portion of the sheet-like member that is not subjected to the action of ultrasonic waves and the portion that is subjected to the action of ultrasonic waves (the film-like part and / or the part where the dent is generated). It is easy to clarify the portion to which the ink is applied.
以上の観点から、シート状部材が熱可塑性樹脂を含んだ不織布や繊維ウェブ、あるいは、シート状部材が熱可塑性樹脂を含んだ不織布や繊維ウェブを含んでなる積層体であると、超音波の作用によってインクが付与された部分を明確化し易くできるため好ましい。
From the above viewpoint, when the sheet-like member is a non-woven fabric or fiber web containing a thermoplastic resin, or the sheet-like member is a laminate comprising a non-woven fabric or fiber web containing a thermoplastic resin, the action of ultrasonic waves Is preferable because the portion to which the ink is applied can be easily clarified.
なお、シート状部材は内部あるいは表面に粒子状や被膜状の態様で、例えば、有機ポリマー、シリカやアルミナなどの無機成分、プルシアンブルーなどの放射性物質吸着材、顔料、難燃剤、防虫剤、芳香剤、活性炭などの脱臭剤、光触媒などの触媒、界面活性剤などを含んでいてもよい。
The sheet-like member is in the form of particles or a film inside or on the surface. For example, an organic polymer, an inorganic component such as silica or alumina, a radioactive material adsorbent such as Prussian blue, a pigment, a flame retardant, an insect repellent, an aromatic It may contain a deodorant such as an agent, activated carbon, a catalyst such as a photocatalyst, a surfactant, and the like.
シート状部材の目付や厚さなどの諸特性は適宜調整するが、シート状部材の目付は、１０〜１００ｇ／ｍ２であることができ、シート状部材の厚さは、００．１〜３０ｍｍであることができる。
なお、本発明では、目付とは広い面積を有する面（主面）の面積１ｍ２あたりの質量をいい、厚さとは厚さ測定器（デジマチック標準外側マイクロメータ（ＭＣＣ−ＭＪ／ＰＪ）１／１０００ｍｍ（株）ミツトヨ）により計測した、５００ｇ荷重時測定値の５点の厚さの算術平均値をいう。
Various properties such as the basis weight and thickness of the sheet-like member are adjusted as appropriate, but the basis weight of the sheet-like member can be 10 to 100 g / m 2 , and the thickness of the sheet-like member is 0 to 30 mm. Can be.
In the present invention, the basis weight refers to the mass per 1 m 2 of the surface (main surface) having a large area, and the thickness refers to the thickness measuring instrument (Digimatic Standard Outside Micrometer (MCC-MJ / PJ) 1 / 1000mm (Mitutoyo Co., Ltd.) measured at 500 g load, the arithmetic average value of the thickness of 5 points.
本発明でいうシート状部材の望む部分とは、シート状部材の主面上や前記主面と反対側の主面上におけるインクの付与により明確化することを望む部分であり、例えば、異物や繊維塊などが存在する部分、皺や亀裂あるいはピンホールなどが存在する部分といった欠点の存在する部分であることができる。
The desired portion of the sheet-like member in the present invention is a portion desired to be clarified by applying ink on the main surface of the sheet-like member or on the main surface opposite to the main surface. It can be a part having a defect such as a part where a fiber lump or the like is present, or a part where a wrinkle, a crack or a pinhole is present.
本発明で使用するインクは、シート状部材の望む部分を明確化できるようにするため前記部分に付与するものであり、その種類は適宜選択できる。インクの種類として、例えば、油性インクや水性インクなどを例示でき、インクの色は目視による認識のし易さやシート状部材の種類や用途などによって適宜選択する。インクを付与した前記部分を目視以外にも検出器などによって認識できるのであれば、例えば無色のインクや蛍光インク、シート状部材の色と同色あるいは同様の色のインク、金属センサーや磁力センサーなどの各種センサーによって存在が認識可能な成分（例えば、金属や磁性材料など）を含んだインクなどを使用してもよい。
The ink used in the present invention is applied to the above-mentioned portion so that the desired portion of the sheet-like member can be clarified, and the type thereof can be appropriately selected. Examples of the ink type include oil-based ink and water-based ink, and the color of the ink is appropriately selected depending on the ease of visual recognition, the type and use of the sheet-like member, and the like. If the portion to which the ink has been applied can be recognized by a detector other than visually, for example, colorless ink, fluorescent ink, ink of the same or similar color as the color of the sheet-like member, metal sensor, magnetic sensor, etc. You may use the ink containing the component (for example, a metal, a magnetic material, etc.) which presence can recognize by various sensors.
シート状部材の望む部分へインクを付与できるものであればインク付与手段の種類は適宜選択でき、例えば、インクジェットプリンター、スタンプ、スプレー、インクペンなどの筆記用具を用いたインク付与手段などを使用できる。なお、シート状部材の望む部分へ付与するインクの量は適宜調整する。 As long as ink can be applied to a desired portion of the sheet-like member, the type of ink applying means can be appropriately selected. For example, an ink applying means using a writing tool such as an ink jet printer, a stamp, a spray, or an ink pen can be used. The amount of ink applied to the desired portion of the sheet-like member is adjusted as appropriate.
シート状部材の望む部分へ付与するインクの形状は適宜選択するが、例えば、インクの付与により明確化することを望む部分上に前記部分の大きさよりも小さな模様を付与する、インクの付与により明確化することを望む部分上に前記部分と同じ大きさの模様を付与する、インクの付与により明確化することを望む部分上に前記部分の大きさよりも大きな模様を付与する、インクの付与により明確化することを望む部分を囲む形状の模様を付与するなどの態様とすることができる。なお、本発明では、インクの付与により明確化することを望む部分を囲む形状の模様をシート状部材に付与することも、「シート状部材の望む部分にインクを付与する」概念に含む。
The shape of the ink to be applied to the desired part of the sheet-like member is appropriately selected. For example, a pattern smaller than the size of the above part is provided on the part desired to be clarified by applying the ink. A pattern having the same size as the above part is provided on the part desired to be converted, and a pattern larger than the size of the part is provided on the part desired to be specified by applying the ink. It can be set as the aspect of giving the shape of the shape surrounding the part which wants to change. In the present invention, the concept of “applying ink to a desired portion of the sheet-like member” also includes giving a pattern having a shape surrounding the portion desired to be clarified by applying ink to the sheet-like member.
なお模様の種類は適宜選択するが、例えば、直線や二重線などの線状、円状や楕円状、三角形や四角形などの多角形状、アスタリスク状や×状などの記号状などを挙げることができる。また、前述の形状は中抜きの模様であってもよい。
中抜きの模様であると、インクの付与により明確化することを望む部分を囲む形状の模様を付与することができるため、前記部分全体にインクを付与することなく明確化できる。そのため、例えば欠点が存在する部分にインクを付与した後であっても、欠点の種類や形状あるいは大きさを判別し易くでき、欠点の発生原因や発生条件などを分析し易くなり好ましい。
The type of pattern is selected as appropriate, and examples include linear shapes such as straight lines and double lines, circular shapes and elliptical shapes, polygonal shapes such as triangles and quadrangles, and symbolic shapes such as asterisks and x shapes. it can. Further, the shape described above may be a hollow pattern.
When the pattern is a hollow pattern, a pattern having a shape surrounding a portion desired to be clarified by application of ink can be provided, so that the entire portion can be clarified without applying ink. Therefore, for example, even after ink has been applied to a portion where a defect exists, the type, shape, or size of the defect can be easily determined, and the cause and conditions of the defect can be easily analyzed, which is preferable.
シート状部材におけるインクが付与された部分へ選択的に超音波を作用させてインクを乾燥できるのであれば、超音波発生装置の種類は適宜選択できるが、例えば、卓上型、架台型、ハンディ型などを使用できる。なお、本発明でいう超音波とは振動数が１５ｋＨｚ以上の音波を指す。 If the ink can be selectively applied to the portion of the sheet-like member to which the ink is applied and the ink can be dried, the type of the ultrasonic generator can be appropriately selected. For example, the table type, the stand type, and the handy type Etc. can be used. The ultrasonic wave referred to in the present invention refers to a sound wave having a frequency of 15 kHz or more.
シート状部材におけるインクが付与された部分へ選択的に作用させる超音波の範囲の大きさや強さは、シート状部材全体を加熱することなく選択的にインクを乾燥できるのであれば適宜選択でき、例えば、シート状部材に付与されたインクのみに超音波を作用させる態様、シート状部材に付与されたインクの外周に囲まれた範囲内へ超音波を作用させる態様、シート状部材に付与されたインク全体を覆う大きさの範囲へ超音波を作用させる態様などとすることができる。また、超音波の強さは、例えば、インクを乾燥できる程度の強さとする、あるいは、インクを乾燥できると共にシート状部材におけるインクが付与された部分を選択的に融解あるいは軟化させ形状変化できる程度の強さにすることができる。 The size and strength of the ultrasonic range that selectively acts on the ink-applied portion of the sheet-like member can be appropriately selected as long as the ink can be selectively dried without heating the entire sheet-like member, For example, an aspect in which ultrasonic waves are applied only to the ink applied to the sheet-like member, an aspect in which ultrasonic waves are applied to a range surrounded by the outer periphery of the ink applied to the sheet-like member, and an application to the sheet-like member For example, an ultrasonic wave may be applied to a size range that covers the entire ink. In addition, the intensity of the ultrasonic wave is, for example, such an intensity that the ink can be dried, or the degree that the ink can be dried and the shape of the sheet-like member to which the ink is applied can be selectively melted or softened. Can be strong.
特に、シート状部材におけるインクが付与された部分に超音波を作用させることで、インクが付与された部分を選択的に融解あるいは軟化させて前記部分を選択的にフィルム化する、および／または、インクが付与された部分を選択的に融解あるいは軟化させて前記部分に凹みが生じるようにすると、シート状部材における超音波の作用を受けていない部分と超音波の作用を受けた部分（フィルム状になっている部分および／または凹みが生じた部分）に構造的な違いが生じるものとなり、インクが付与された部分を明確化し易い。
In particular, by applying ultrasonic waves to a portion of the sheet-like member to which ink has been applied, the portion to which ink has been applied is selectively melted or softened to selectively form the portion, and / or When the ink-applied portion is selectively melted or softened so that a dent is formed in the portion, a portion of the sheet-like member that has not been subjected to ultrasonic action and a portion that has been subjected to ultrasonic action (film-like A structural difference occurs in the portion and / or the portion where the dent is formed, and the portion to which the ink is applied is easily clarified.
本発明のシート状部材の望む部分をマーキングする方法および装置は、上述した構成以外にも、シート状部材を搬送可能な搬送ロールなどのシート状部材の搬送手段、インク付与手段や超音波発生装置をシート状部材の望む位置に移動可能な移動手段、シート状部材におけるインクの付与により明確化することを望む部分（例えば、欠点が存在する部分）を検出する検出装置、シート状部材を巻取る巻取りロールなどの手段を備えていてもよい。 The method and apparatus for marking a desired portion of the sheet-like member according to the present invention is not limited to the above-described configuration, but a sheet-like member conveying means such as a conveyance roll capable of conveying the sheet-like member, an ink applying means, and an ultrasonic generator. Means for moving the sheet-like member to a desired position, a detection device for detecting a portion (for example, a portion where a defect exists) desired to be clarified by applying ink in the sheet-like member, and winding the sheet-like member Means such as a winding roll may be provided.
なお、検出装置はシート状部材の搬送方向におけるインク付与手段の前段階（搬送方向の上流側）に設けるのが好ましく、検出装置により検出されたシート状部材において前記部分が存在する位置情報をインク付与手段の移動手段へ伝え、その位置情報に基づき移動手段によりインク付与手段の移動を行うのが好ましい。また、検出装置により検出されたシート状部材における前記部分が存在する位置情報および／またはインク付与手段によるインクの付与情報（位置やインクを付与した量や形状などの条件）の情報を超音波発生装置の移動手段へ伝え、その付与情報に基づき移動手段によりインク超音波発生装置の移動を行うのが好ましい。
It is preferable that the detection device is provided in a previous stage (upstream side in the conveyance direction) of the ink application unit in the conveyance direction of the sheet-like member, and position information on the presence of the portion in the sheet-like member detected by the detection device It is preferable that the ink applying unit is moved by the moving unit based on the positional information transmitted to the moving unit of the applying unit. Further, ultrasonic information is generated on the position information on the sheet-like member detected by the detection device and / or information on the ink application by the ink application means (conditions such as position and amount of ink applied and shape). It is preferable that the ink ultrasonic generator is moved by the moving means based on the imparted information transmitted to the moving means of the apparatus.
以下、実施例によって本発明を具体的に説明するが、これらは本発明の範囲を限定するものではない。
EXAMPLES Hereinafter, the present invention will be specifically described by way of examples, but these do not limit the scope of the present invention.
（実施例１）
（ｉ．シート状部材の準備）
ナイロン繊維（熱可塑性樹脂繊維、繊度：３．３ｄｔｅｘ、繊維長：５１ｍｍ）５０質量％とナイロン繊維（熱可塑性樹脂繊維、繊度：１．１ｄｔｅｘ、繊維長：３８ｍｍ）５０質量％を混繊し絡合してなる、乾式不織布（目付：７３ｇ／ｍ２、厚さ：０．１８ｍｍ）を用意した。
（ｉｉ．シート状部材の望む部分をマーキングする装置の準備）
シート状部材の搬送方向の上流側から下流側に向かい番号の順に以下の構成を備えた、シート状部材の望む部分をマーキングする装置を用意した。
１．搬送ロール
２．欠点検出機、
３．インク付与手段の移動手段：欠点検出機から送られてきたシート状部材に存在する欠点の位置データを受けて、シート状部材の欠点が存在する部分にインク付与手段を移動できる、単軸ロボット、
インク付与手段：インク付与手段の移動手段により移動可能に設けられた、欠点部分に水性インク（色：赤色）を付与できるスタンプ装置
４．超音波発生装置の移動手段：欠点検出機から送られてきたシート状部材に存在する欠点の位置データを受けて、シート状部材の欠点が存在する部分に超音波発生装置を移動できる、単軸ロボット、
超音波発生装置：超音波発生装置の移動手段により移動可能に設けられた、超音波発振機（振動数：２１ｋＨｚ）、
５．搬送ロール、
６．欠点が存在する部分をマーキングした後のシート状部材を巻取る、巻取りロール。
なお、欠点検出機によってシート状部材に欠点の存在が検出された場合には、欠点が存在する部分を囲む円形状の模様が付与されるように、スタンプ装置を用いて水性インク（色：赤色）を付与した。
また、超音波発生装置によってインクの外周に囲まれた範囲内へ、超音波が選択的に作用するように調整した。
（ｉｉｉ．シート状部材の望む部分のマーキング方法）
シート状部材の望む部分をマーキングする装置へ不織布を供し、不織布の主面における欠点が存在する部分にインクを付与した後に超音波によって付与したインクを乾燥することでマーキングを施した後、マーキングを施した不織布を巻取りロールに巻き取った。
Example 1
(I. Preparation of sheet-like member)
Nylon fiber (thermoplastic resin fiber, fineness: 3.3 dtex, fiber length: 51 mm) 50% by mass and nylon fiber (thermoplastic resin fiber, fineness: 1.1 dtex, fiber length: 38 mm) 50% by mass are mixed and entangled A dry non-woven fabric (weight per unit: 73 g / m 2 , thickness: 0.18 mm) was prepared.
(Ii. Preparation of an apparatus for marking a desired portion of a sheet-like member)
An apparatus for marking a desired portion of a sheet-like member having the following configuration in order of numbers from the upstream side to the downstream side in the conveyance direction of the sheet-like member was prepared.
1. 1. Transport roll Defect detector,
3. Moving means of the ink application means: a single-axis robot that can receive position data of defects existing in the sheet-like member sent from the defect detector and move the ink application means to a portion where the defects of the sheet-like member exist,
3. Ink applying means: a stamp device that is provided so as to be movable by the moving means of the ink applying means and can apply water-based ink (color: red) to the defective portion. Moving means of the ultrasonic generator: A single axis that can move the ultrasonic generator to the portion where the defects of the sheet-like member are received by receiving the position data of the defects existing in the sheet-like member sent from the defect detector robot,
Ultrasonic generator: an ultrasonic oscillator (frequency: 21 kHz) provided movably by the moving means of the ultrasonic generator,
5. Transport rolls,
6). A winding roll for winding a sheet-shaped member after marking a portion where a defect exists.
When the defect detector detects the presence of a defect in the sheet-like member, a water-based ink (color: red) is used using a stamp device so that a circular pattern surrounding the defect-existing portion is provided. ).
Further, the ultrasonic generator was adjusted so that the ultrasonic wave selectively acted in the range surrounded by the outer periphery of the ink.
(Iii. Marking method of desired portion of sheet-like member)
After applying the non-woven fabric to the device for marking the desired part of the sheet-like member, applying the ink to the part where the main surface of the non-woven fabric has defects, drying the ink applied by ultrasonic waves, and then marking The applied nonwoven fabric was wound up on a winding roll.
（比較例１）
実施例１で使用したシート状部材の望む部分をマーキングする装置から、超音波発生装置の移動手段ならびに超音波発生装置を取り除いた。
このようにして準備した装置を用いたこと以外は、実施例１と同様にして、不織布の主面における欠点が存在する部分にインクを付与することでマーキングを施した後、マーキングを施した不織布を巻取りロールに巻き取った。
(Comparative Example 1)
The moving means of the ultrasonic generator and the ultrasonic generator were removed from the apparatus for marking a desired portion of the sheet-like member used in Example 1.
Except for using the apparatus prepared in this manner, the nonwoven fabric was subjected to marking by applying ink to the portion where the defects on the main surface of the nonwoven fabric existed in the same manner as in Example 1, followed by marking. Was wound on a winding roll.
実施例１で調製した巻取りロールに巻き取られたマーキングを施した不織布の状態を確認したところ、マーキングを施した不織布における欠点が存在する部分以外にはインクは付着していなかった。この理由として、インクが乾燥した後にマーキングを施した不織布の巻き取りが行われたためであると考えられた。
一方、比較例１で調製した巻取りロールに巻き取られたマーキングを施した不織布の状態を確認したところ、マーキングを施した不織布における欠点が存在する部分以外にも、マーキングを施した不織布におけるインクが付与された一方の主面と反対側の主面上にインクが付着していた。この理由として、インクが乾燥する前にマーキングを施した不織布の巻き取りが行われたためであると考えられた。
When the state of the nonwoven fabric with the marking wound on the winding roll prepared in Example 1 was confirmed, the ink was not attached except for the portion where the defect was present in the nonwoven fabric with the marking. The reason for this was considered to be that the non-woven fabric with marking was taken up after the ink was dried.
On the other hand, when the state of the non-woven fabric subjected to the marking wound on the winding roll prepared in Comparative Example 1 was confirmed, the ink in the non-woven fabric subjected to the marking was used in addition to the portion where the defects in the non-woven fabric subjected to the marking existed. Ink adhered to the main surface on the opposite side of the one main surface to which was applied. The reason for this was considered to be that the non-woven fabric which had been marked before the ink was dried was taken up.
また、実施例１ではマーキングを施した不織布における超音波を作用させた部分は凹みが生じて形状変化しており、マーキングを施した不織布における超音波を作用させなかった部分の形状と異なっていた。そのため、実施例１のマーキングを施した不織布におけるインクが付与された部分（欠点の存在する部分）は、比較例１のマーキングを施した不織布におけるインクが付与された部分よりも、より明確となっていた。 Further, in Example 1, the portion of the nonwoven fabric subjected to the marking that was subjected to the ultrasonic wave had a dent and changed its shape, which was different from the shape of the portion of the nonwoven fabric subjected to the marking that was not subjected to the ultrasonic wave. . Therefore, the portion to which the ink is applied in the nonwoven fabric subjected to the marking of Example 1 (the portion where the defect exists) becomes clearer than the portion to which the ink is applied in the nonwoven fabric subjected to the marking of Comparative Example 1. It was.
更に、実施例１では、シート状部材の望む部分をマーキングする装置へ供する前の不織布と前記装置へ供した後のマーキングを施した不織布における、不織布の全体にかかる諸物性は同一であった。そのため、実施例１では超音波をインクが付与された部分へ選択的に作用させたため、不織布の全体にかかる諸物性を変化させることなくインクを乾燥できた。
Furthermore, in Example 1, the physical properties of the nonwoven fabric as a whole were the same in the nonwoven fabric before being provided to the device for marking the desired portion of the sheet-like member and the nonwoven fabric subjected to marking after being provided to the device. Therefore, in Example 1, since the ultrasonic wave was selectively applied to the portion to which the ink was applied, the ink could be dried without changing various physical properties of the entire nonwoven fabric.
本発明によれば、シート状部材の全体にかかる諸物性を変化させることなくシート状部材に付与されたインクを乾燥可能な、シート状部材の望む部分をマーキングする方法および装置を提供できる。 ADVANTAGE OF THE INVENTION According to this invention, the method and apparatus which mark the desired part of a sheet-like member which can dry the ink provided to the sheet-like member without changing the various physical properties concerning the whole sheet-like member can be provided.
Claims (2)
前記シート状部材における前記インクが付与された部分へ選択的に超音波を作用させて、前記インクを乾燥する工程、
を備える、シート状部材の望む部分をマーキングする方法。 Applying ink to a desired portion of the sheet-like member;
A step of selectively applying ultrasonic waves to a portion of the sheet-like member to which the ink has been applied to dry the ink;
A method for marking a desired portion of a sheet-like member.
前記シート状部材における前記インクが付与された部分へ選択的に超音波を作用させて、前記インクを乾燥できる超音波発生装置、
を備える、シート状部材の望む部分をマーキングする装置。 An ink applying means capable of applying ink to a desired portion of the sheet-like member;
An ultrasonic generator capable of drying the ink by selectively applying an ultrasonic wave to a portion of the sheet-like member to which the ink has been applied;
An apparatus for marking a desired portion of a sheet-like member.
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