JPH04331152A - Method of fixing printing plate and sheet for the same - Google Patents
Method of fixing printing plate and sheet for the sameInfo
- Publication number
- JPH04331152A JPH04331152A JP3130580A JP13058091A JPH04331152A JP H04331152 A JPH04331152 A JP H04331152A JP 3130580 A JP3130580 A JP 3130580A JP 13058091 A JP13058091 A JP 13058091A JP H04331152 A JPH04331152 A JP H04331152A
- Authority
- JP
- Japan
- Prior art keywords
- printing
- printing plate
- fixing
- sheet
- adhesive layer
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 22
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000012790 adhesive layer Substances 0.000 claims description 23
- 230000000740 bleeding effect Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 abstract 3
- 239000004820 Pressure-sensitive adhesive Substances 0.000 abstract 2
- 230000002950 deficient Effects 0.000 abstract 1
- 230000001788 irregular Effects 0.000 abstract 1
- 239000010408 film Substances 0.000 description 13
- 239000007789 gas Substances 0.000 description 12
- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- 238000009825 accumulation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000005562 fading Methods 0.000 description 3
- 239000003522 acrylic cement Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N6/00—Mounting boards; Sleeves Make-ready devices, e.g. underlays, overlays; Attaching by chemical means, e.g. vulcanising
Landscapes
- Printing Plates And Materials Therefor (AREA)
Abstract
Description
【0001】0001
【産業上の利用分野】本発明は、混入気体が自然に排気
されるようにしてなり、フレキソ印刷などに好適な印刷
版の固定方法及びその固定シートに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for fixing a printing plate and a fixing sheet therefor, which allows entrained gas to be naturally exhausted and is suitable for flexographic printing.
【0002】0002
【従来の技術】従来、フレキソ印刷等における印刷版の
印刷ドラムに対する固定方法としては、両面粘着シート
等からなる平坦な粘着層を介して印刷版を印刷ドラムに
接着する方法、あるいは印刷版を平坦な粘着層を介して
キャリアフィルムに接着し、それを印刷ドラムに取り付
ける方法が知られていた。しかしながら、印刷版を粘着
層に接着する際に混入した気体がガス溜りを形成して印
刷版を変形させ、印刷ムラ、カスレ、ニジミなどの印刷
不良を発生させる問題点があつた。[Prior Art] Conventionally, as a method for fixing a printing plate to a printing drum in flexo printing, etc., there has been a method of adhering the printing plate to the printing drum via a flat adhesive layer made of a double-sided adhesive sheet, or a method of fixing the printing plate to the printing drum by flattening the printing plate. It was known to adhere to a carrier film via an adhesive layer and attach it to a printing drum. However, there was a problem in that gases mixed in when adhering the printing plate to the adhesive layer formed gas pockets and deformed the printing plate, resulting in printing defects such as printing unevenness, fading, and bleeding.
【0003】0003
【発明が解決しようとする課題】本発明は、印刷版を粘
着層に接着する際に混入した気体を自然に排気すること
ができる印刷版の固定方法及びその固定シートの開発を
課題とする。SUMMARY OF THE INVENTION An object of the present invention is to develop a method for fixing a printing plate and a fixing sheet thereof, which can naturally exhaust gases mixed in when a printing plate is adhered to an adhesive layer.
【0004】0004
【課題を解決するための手段】本発明は、支持基材の両
面に凹凸構造の粘着層を有する固定シートを介して、印
刷版を印刷ドラムに接着することを特徴とする印刷版の
固定方法を提供するものである。[Means for Solving the Problems] The present invention provides a method for fixing a printing plate, which is characterized by adhering a printing plate to a printing drum via a fixing sheet having an adhesive layer with an uneven structure on both sides of a supporting base material. It provides:
【0005】また本発明は、支持基材の両面に凹凸構造
の粘着層を有する固定シートを介して、印刷版とキャリ
アフィルムを接着し、そのキャリアフィルムを印刷ドラ
ムに取り付けることを特徴とする印刷版の固定方法を提
供するものである。[0005] The present invention also provides a printing method characterized in that a printing plate and a carrier film are adhered to each other via a fixing sheet having an adhesive layer having a concavo-convex structure on both sides of a supporting base material, and the carrier film is attached to a printing drum. This provides a method for fixing plates.
【0006】さらに本発明は、支持基材の両面に凹凸構
造の粘着層を有して混入気体の排気路を有することを特
徴とする、前記の固定方法に用いる固定シートを提供す
るものである。Furthermore, the present invention provides a fixing sheet for use in the above-mentioned fixing method, which is characterized by having an adhesive layer with a concavo-convex structure on both sides of the supporting base material and having an exhaust path for mixed gas. .
【0007】[0007]
【作用】支持基材の両面に凹凸構造の粘着層を有する固
定シートを介して印刷版を印刷ドラムないしキャリアフ
ィルムに接着することにより、混入気体が凹凸構造の粘
着層の隙間から自然に排気され、ガス溜りの発生が防止
される。[Operation] By adhering the printing plate to the printing drum or carrier film via the fixing sheet that has an uneven adhesive layer on both sides of the supporting base material, mixed gas is naturally exhausted from the gaps between the uneven adhesive layers. , the occurrence of gas accumulation is prevented.
【0008】[0008]
【実施例】図1、図2に本発明による固定状態を例示し
た。1が印刷版、2が固定シート、3がキャリアフィル
ム、4が印刷ドラムである。また図3、図4に固定シー
トを例示した。21,23が凹凸構造の粘着層、22が
支持基材である。Embodiment FIGS. 1 and 2 illustrate the fixing state according to the present invention. 1 is a printing plate, 2 is a fixed sheet, 3 is a carrier film, and 4 is a printing drum. Furthermore, fixed sheets are illustrated in FIGS. 3 and 4. 21 and 23 are adhesive layers having an uneven structure, and 22 is a supporting base material.
【0009】図1に例示の如く、本発明の固定方法の一
は、支持基材の両面に凹凸構造の粘着層を有する固定シ
ート2を介して、印刷版1を印刷ドラム4に接着するも
のである。操作順序は、印刷版を固定シートと接着した
のちそれを印刷ドラムに接着する方式であってもよいし
、印刷ドラムに固定シートを接着してそれに印刷版を接
着する方式であってもよい。As illustrated in FIG. 1, one of the fixing methods of the present invention is to adhere a printing plate 1 to a printing drum 4 via a fixing sheet 2 having an uneven adhesive layer on both sides of a supporting base material. It is. The sequence of operations may be such that the printing plate is adhered to the fixed sheet and then adhered to the printing drum, or may be such that the fixed sheet is adhered to the printing drum and the printing plate is adhered to it.
【0010】本発明の他の固定方法は、図2に例示した
如く、支持基材の両面に凹凸構造の粘着層を有する固定
シート2を介して、印刷版1とキャリアフィルム3を接
着し、それを印刷ドラム4に取り付けるものである。Another fixing method of the present invention, as exemplified in FIG. 2, involves bonding the printing plate 1 and the carrier film 3 via a fixing sheet 2 having an uneven adhesive layer on both sides of a supporting base material. It is attached to the printing drum 4.
【0011】前記固定方法における操作順序は、印刷版
を固定シートと接着したのちそれをキャリアフィルムに
接着する方式であってもよいし、キャリアフィルムに固
定シートを接着してそれに印刷版を接着する方式であっ
てもよい。印刷版を固定したキャリアフィルムの印刷ド
ラムへの取り付けは、例えば印刷ドラムに設けた溝にキ
ャリアフィルムの端末を押付具で挾着する公知の方式な
ど、適宜な方式で行ってよい。[0011] The sequence of operations in the fixing method may be such that the printing plate is adhered to a fixing sheet and then adhered to the carrier film, or the fixing sheet is adhered to the carrier film and the printing plate is adhered to it. It may be a method. The carrier film to which the printing plate is fixed may be attached to the printing drum by any suitable method, such as a known method in which the end of the carrier film is held in a groove provided in the printing drum using a pressing tool.
【0012】本発明の固定方法に用いられる固定シート
は、支持基材の両面に凹凸構造の粘着層を有するもので
ある。支持基材には適宜な薄葉体を用いてよい。一般に
は例えば、ポリエステル、ポリエチレン、ポリプロピレ
ン、ポリ塩化ビニルの如きプラスチックからなるフィル
ム、織布ないし不織布、発泡シート、金属箔などが用い
られる。なおキャリアフィルムとしても、前記に例示の
ものなどが一般に用いられる。The fixing sheet used in the fixing method of the present invention has an adhesive layer with an uneven structure on both sides of a supporting base material. An appropriate thin film may be used as the supporting base material. Generally, for example, films made of plastics such as polyester, polyethylene, polypropylene, and polyvinyl chloride, woven or nonwoven fabrics, foam sheets, metal foils, and the like are used. As the carrier film, those exemplified above are generally used.
【0013】支持基材の両面における凹凸構造の粘着層
は、混入気体の排気路が形成されるものとされる。その
構造は、例えばストライプ構造、点在構造など、任意で
ある。凹凸構造の粘着層の形成は例えば、粘着剤をパタ
ーン塗工する方式、凹凸構造に対応する成形型に粘着剤
を充填して成形したのち、それを支持基材に移着させる
方式などにより行うことができる。[0013] The adhesive layer having an uneven structure on both sides of the supporting base material is designed to form an exhaust path for mixed gas. The structure may be arbitrary, such as a striped structure or a dotted structure. The formation of an adhesive layer with an uneven structure is carried out, for example, by pattern coating the adhesive, or by filling a mold corresponding to the uneven structure with the adhesive, molding it, and then transferring it to a supporting base material. be able to.
【0014】粘着層の凹凸構造における高低差は適宜に
決定してよいが、一般には混入気体の排気性の点より2
〜500μmとされる。また凹凸構造における混入気体
の排気路となる凸部の間隙、すなわち凹部の幅も適宜に
決定してよいが、一般には50μm〜5mmとされる。
印刷版等との接着面となる凸部の大きさは、幅ないし直
径に基づき1〜100mmが一般的であるが、これに限
定するものではない。[0014] The height difference in the uneven structure of the adhesive layer may be determined as appropriate, but in general, it is
~500 μm. In addition, the gap between the convex portions, that is, the width of the concave portions, which serve as exhaust paths for mixed gas in the uneven structure may be determined as appropriate, but is generally set to 50 μm to 5 mm. The size of the convex portion that becomes the adhesive surface with the printing plate etc. is generally 1 to 100 mm based on the width or diameter, but is not limited to this.
【0015】粘着剤としては、例えばゴム系粘着剤やア
クリル系粘着剤、あるいは接着力喪失型粘着剤など、適
宜なものを用いてよい。凹凸構造によるクッション性を
強化する点よりは、ゴム弾性に優れるものが好ましく用
いられる。[0015] As the adhesive, an appropriate adhesive may be used, such as a rubber adhesive, an acrylic adhesive, or an adhesive that loses its adhesive strength. Rather than enhancing the cushioning properties due to the uneven structure, it is preferable to use materials with excellent rubber elasticity.
【0016】本発明の固定方法は、ゴム版や樹脂版など
からなる柔軟な印刷版を印刷ドラムに固定し、その印刷
ドラムの回転下に印刷処理する例えばフレキソ印刷方式
などに好ましく適用することができる。The fixing method of the present invention is preferably applied to, for example, a flexographic printing method, in which a flexible printing plate made of a rubber plate or a resin plate is fixed to a printing drum, and printing is performed while the printing drum rotates. can.
【0017】ちなみに、厚さ80μmのポリエステルフ
ィルムの両面にマスクを介してアクリル系粘着剤をパタ
ーン塗工し、幅5mm、厚さ80μm、間隙0.5〜1
mmのストライプ状の粘着層を設けて固定シートを形成
し、その固定シートを新聞サイズの樹脂版に接着したの
ち、それを印刷ドラムに接着固定した。Incidentally, acrylic adhesive was pattern-coated on both sides of a polyester film with a thickness of 80 μm through a mask, and the width was 5 mm, the thickness was 80 μm, and the gap was 0.5 to 1.
A fixing sheet was formed by providing a striped adhesive layer of mm in size, and the fixing sheet was adhered to a newspaper-sized resin plate, which was then adhesively fixed to a printing drum.
【0018】前記においてガス溜りは認められず、印刷
ムラ、カスレ、ニジミなどの印刷不良を生じることなく
印刷することができた。また、前記の固定シートを40
%圧縮するのに要する圧力は、50kg/50×50m
m2であった。なお前記に準じて、ポリエステルフィル
ムの両面の全面に粘着層を設けたものの40%圧縮に要
する圧力は、160kg/50×50mm2であった。
従って、前記固定シートの場合には、約1/3の圧力で
40%圧縮を達成でき、クッション性に優れている。[0018] In the above case, no gas accumulation was observed, and printing was possible without causing printing defects such as printing unevenness, fading, and bleeding. In addition, 40 pieces of the above fixed sheet
The pressure required to compress % is 50kg/50x50m
It was m2. According to the above, the pressure required for 40% compression of a polyester film in which adhesive layers were provided on both surfaces was 160 kg/50 x 50 mm2. Therefore, in the case of the fixed sheet, 40% compression can be achieved with about ⅓ of the pressure, and the cushioning properties are excellent.
【0019】[0019]
【発明の効果】本発明によれば、混入気体を排気できて
、印刷版をガス溜りなく粘着層を介して印刷ドラムに固
定することができる。また、固定シートの良好なクッシ
ョン性に基づいて印刷圧が均等化され、印刷ムラ、カス
レ、ニジミ等の印刷不良の発生が防止され、精確で良好
な印刷を達成することができる。According to the present invention, mixed gas can be exhausted and the printing plate can be fixed to the printing drum via the adhesive layer without gas accumulation. Further, the printing pressure is equalized based on the good cushioning properties of the fixed sheet, and printing defects such as printing unevenness, fading, and blurring are prevented from occurring, and accurate and good printing can be achieved.
【図1】本発明による固定状態の説明断面図。FIG. 1 is an explanatory sectional view of a fixed state according to the present invention.
【図2】本発明による他の固定状態の説明断面図。FIG. 2 is an explanatory sectional view of another fixed state according to the present invention.
【図3】固定シートを例示した断面図。FIG. 3 is a sectional view illustrating a fixed sheet.
【図4】他の固定シートを例示した断面図。FIG. 4 is a sectional view illustrating another fixing sheet.
1:印刷版 2:固定シート 21,23:凹凸構造の粘着層 22:支持基材 3:キャリアフィルム 4:印刷ドラム 1: Print version 2: Fixed sheet 21, 23: Adhesive layer with uneven structure 22: Support base material 3: Carrier film 4: Printing drum
Claims (3)
有する固定シートを介して、印刷版を印刷ドラムに接着
することを特徴とする印刷版の固定方法。1. A method for fixing a printing plate, comprising adhering the printing plate to a printing drum via a fixing sheet having an adhesive layer with an uneven structure on both sides of a supporting base material.
有する固定シートを介して、印刷版とキャリアフィルム
を接着し、そのキャリアフィルムを印刷ドラムに取り付
けることを特徴とする印刷版の固定方法。2. Fixing of a printing plate, characterized by adhering a printing plate and a carrier film via a fixing sheet having an adhesive layer with an uneven structure on both sides of a supporting base material, and attaching the carrier film to a printing drum. Method.
有して混入気体の排気路を有することを特徴とする、請
求項1又は2の固定方法に用いる固定シート。3. A fixing sheet for use in the fixing method according to claim 1 or 2, characterized in that the supporting base material has an adhesive layer with a concavo-convex structure on both sides and has an exhaust path for mixed gas.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3130580A JPH04331152A (en) | 1991-05-01 | 1991-05-01 | Method of fixing printing plate and sheet for the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3130580A JPH04331152A (en) | 1991-05-01 | 1991-05-01 | Method of fixing printing plate and sheet for the same |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH04331152A true JPH04331152A (en) | 1992-11-19 |
Family
ID=15037620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3130580A Pending JPH04331152A (en) | 1991-05-01 | 1991-05-01 | Method of fixing printing plate and sheet for the same |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH04331152A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002011985A1 (en) * | 2000-08-08 | 2002-02-14 | 3M Innovative Properties Company | Flexographic printing elements with improved air bleed |
DE102008026951A1 (en) | 2008-06-05 | 2009-12-10 | Lohmann Gmbh & Co Kg | Producing a single or double sided pressure sensitive adhesive tape, useful for fastening of printing plates in flexography, comprises generating irregularly arranged pattern of ducts on adhesive surfaces to improve discharge of materials |
GB2601579A (en) * | 2021-06-08 | 2022-06-08 | Pro Shim Supplies Uk Ltd | A double-sided adhesive flexographic printing plate underlay |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4833857B1 (en) * | 1969-12-20 | 1973-10-17 | ||
JPS6321058B2 (en) * | 1979-05-30 | 1988-05-02 | Kyatapiraa Inc |
-
1991
- 1991-05-01 JP JP3130580A patent/JPH04331152A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4833857B1 (en) * | 1969-12-20 | 1973-10-17 | ||
JPS6321058B2 (en) * | 1979-05-30 | 1988-05-02 | Kyatapiraa Inc |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1800865A2 (en) | 2000-08-08 | 2007-06-27 | 3M Innovative Properties Company | A printing plate for flexographic printing |
WO2002011985A1 (en) * | 2000-08-08 | 2002-02-14 | 3M Innovative Properties Company | Flexographic printing elements with improved air bleed |
JP2004505800A (en) * | 2000-08-08 | 2004-02-26 | スリーエム イノベイティブ プロパティズ カンパニー | Flexographic printing element with improved air bleed |
US6772686B2 (en) | 2000-08-08 | 2004-08-10 | 3M Innovative Properties Company | Flexographic printing elements with improved air bleed |
AU2001227699B2 (en) * | 2000-08-08 | 2005-04-21 | 3M Innovative Properties Company | Flexographic printing elements with improved air bleed |
KR100683514B1 (en) * | 2000-08-08 | 2007-02-20 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | Flexographic printing elements with improved air bleed |
US6655281B1 (en) | 2000-08-08 | 2003-12-02 | 3M Innovative Properties Company | Flexographic printing elements with improved air bleed |
EP1800864A2 (en) | 2000-08-08 | 2007-06-27 | 3M Innovative Properties Company | Carrier for a printing plate in a flexographic printing press |
JP2012057168A (en) * | 2000-08-08 | 2012-03-22 | Three M Innovative Properties Co | Flexographic printing element with improved air bleed |
EP1800865A3 (en) * | 2000-08-08 | 2007-07-18 | 3M Innovative Properties Company | A printing plate for flexographic printing |
EP1800864A3 (en) * | 2000-08-08 | 2007-07-18 | 3M Innovative Properties Company | Carrier for a printing plate in a flexographic printing press |
DE102008026951A1 (en) | 2008-06-05 | 2009-12-10 | Lohmann Gmbh & Co Kg | Producing a single or double sided pressure sensitive adhesive tape, useful for fastening of printing plates in flexography, comprises generating irregularly arranged pattern of ducts on adhesive surfaces to improve discharge of materials |
GB2601579A (en) * | 2021-06-08 | 2022-06-08 | Pro Shim Supplies Uk Ltd | A double-sided adhesive flexographic printing plate underlay |
GB2601579B (en) * | 2021-06-08 | 2023-08-23 | Pro Shim Supplies Uk Ltd | A double-sided adhesive flexographic printing plate underlay |
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