JPS61217189A - File sheet piece having hem - Google Patents
File sheet piece having hemInfo
- Publication number
- JPS61217189A JPS61217189A JP5828085A JP5828085A JPS61217189A JP S61217189 A JPS61217189 A JP S61217189A JP 5828085 A JP5828085 A JP 5828085A JP 5828085 A JP5828085 A JP 5828085A JP S61217189 A JPS61217189 A JP S61217189A
- Authority
- JP
- Japan
- Prior art keywords
- abrasive grains
- adhesive
- file
- abrasive
- file sheet
- 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
Landscapes
- Knives (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明はプラスチックスフィルム、アルミニウム箔、グ
ラシン紙等のフィルム類を巻回して収納した容器に貼着
し、これらフィルムを任意の部位で切断して使用できる
安全な切断具に関する。[Detailed Description of the Invention] [Field of Application of the Invention] The present invention involves wrapping films such as plastic film, aluminum foil, glassine paper, etc. and pasting them onto a container, and cutting these films at any desired location. related to safe cutting tools that can be used.
プラスチックスフィルムのような引裂伝播強度の比較的
小さいフィルム類に関しては、やすりシート片が安全か
つすぐれた切断具であることは、U S P 2,88
8,181号にも開示され従来から知られててたが、現
在に至るまで実用化されていなかった。これは、次の理
由によるものである。For films with relatively low tear propagation strength, such as plastic films, file sheet strips are a safe and excellent cutting tool, according to USP 2,88.
Although it was disclosed in No. 8,181 and has been known for a long time, it has not been put into practical use until now. This is due to the following reason.
+l) 巻回フィルムは主として食品関係に使用され
るものであるため、切断時砥粒が脱落するようなことが
あると、砥粒自体は衛生上問題がなくとも不潔感が残る
ため砥粒落ちのおそれのないものが求められていた。+l) Since the rolled film is mainly used for food-related products, if the abrasive grains fall off during cutting, the abrasive grains themselves will remain unhygienic, even if there is no hygiene problem. What was needed was something that was free from the fear of
(2)シたがって、砥粒の接着は強固でなければならず
、接着剤を塗布してその上から砥粒を散布するとか、接
着剤と砥粒の混合物を印刷する等の簡易な方法では接着
不充分で、砥粒落ちのおそれがあり使用に耐えない。(2) Therefore, the adhesion of abrasive grains must be strong, and simple methods such as applying adhesive and scattering abrasive grains on top of it, or printing a mixture of adhesive and abrasive grains are possible. However, the adhesion is insufficient and the abrasive grains may fall off, making it unusable.
(3)強固な接着法としては、強力な接着剤を用いて砥
粒の一部を接着剤中に埋込む方法が望ましい。(3) As a strong bonding method, it is desirable to use a strong adhesive and embed part of the abrasive grains in the adhesive.
(4)小片状のやすりシートの製造には、(3)のよう
な本格的方法を採用しがたく、いわゆる研磨布や研磨紙
等の広い面積のやすりシートを製造する技術によらなけ
ればならない。(4) It is difficult to use the full-scale method described in (3) to manufacture small-sized file sheets, and it is necessary to use techniques for manufacturing wide-area file sheets such as so-called abrasive cloth or abrasive paper. No.
(51(41のような本格的技術により製造された研磨
布や研磨紙を切断し、小片とすることは実質的に不可能
であった。それは、砥粒素材自体が極めて硬度の高いも
のであり、刃先が磨耗して、使用に耐える抜き刃がない
こと、及びたとえ切断してもその際の衝撃で砥粒が砕け
て脱落する。砕けない場合であっても、砥粒同士が互い
に密着して接着剤中に埋込まれているため、最端部の砥
粒がぐらつき、相互の安定が崩れて端から砥粒落ちしや
す(なる。すなわち、硬度が大きい砥粒をより柔らかい
刃物で切断することは理論的にも不可能である。(51 (41) It was virtually impossible to cut abrasive cloth or paper manufactured using full-scale technology into small pieces. This is because the abrasive grain material itself is extremely hard. Yes, the cutting edge is worn out, and there is no punching blade that can withstand use, and even if it is cut, the abrasive grains will break and fall off due to the impact.Even if they do not break, the abrasive grains will stick together. Because the abrasive grains are embedded in the adhesive, the abrasive grains at the extreme end become unstable, and the mutual stability is lost, making it easy for the abrasive grains to fall from the edge. It is theoretically impossible to cut it.
(6)更に、これら砥粒による切断具は巻回フィルム容
器の外壁に備えるものであるが、やすりシートを容器の
稜線に跨らせて貼着すると切断効果が顕著に増大する。(6) Furthermore, although these cutting tools using abrasive grains are provided on the outer wall of a wound film container, the cutting effect is significantly increased if a file sheet is pasted across the ridgeline of the container.
しかし、従来の研磨布や研磨紙は約90度の折曲げに耐
えず、接着剤層に亀裂が入り砥粒が脱落しやすくなる。However, conventional abrasive cloths and abrasive papers cannot withstand bending of about 90 degrees, and cracks occur in the adhesive layer, making it easy for abrasive grains to fall off.
以上述べたように、やすりシート片を製造するためには
砥粒を強固に接着させる本格的方法により製造されたや
すりシートを切断しなければならず、砥粒が脱落するお
それのない切断方法が求められていた。更に、折曲げて
も基材から砥粒層に至るまでひび割れの生じないやすり
シート片が必要であった。As mentioned above, in order to manufacture file sheet pieces, it is necessary to cut the file sheet manufactured by a full-scale method that firmly adheres the abrasive grains, and there is no way to cut the file sheet without the risk of the abrasive grains falling off. It was wanted. Furthermore, there was a need for a file sheet piece that would not crack from the base material to the abrasive grain layer even when bent.
〔問題を解決するための手段〕及び〔作用〕本発明は上
記問題点を解決することを目的とし、その構成は基材の
一方の面に砥粒を接着し、その周縁部に砥粒が接着され
ていない縁どり部分を設けたシート状やすりの小片であ
って、砥粒の表面が弾性限界伸び率が130〜700%
の乾燥被膜特性を有する接着剤により被覆されているこ
とを特徴とする。すなわち、表面に砥粒の未貼着部分を
縦横の格子状に残して砥粒の部分貼着を行い、貼着した
砥粒層を高い弾性限界伸び率を有する接着剤により被覆
することにより得られるものである。[Means for Solving the Problem] and [Operation] The present invention aims to solve the above-mentioned problems, and has a structure in which abrasive grains are bonded to one side of a base material, and the abrasive grains are attached to the peripheral edge of the base material. A small piece of a sheet-like file with an unbonded edge, where the surface of the abrasive grains has an elastic limit elongation of 130 to 700%.
It is characterized in that it is coated with an adhesive having dry film properties. In other words, the abrasive grains are partially adhered to the surface by leaving unattached portions of the abrasive grains in a horizontal and vertical lattice pattern, and the attached abrasive grain layer is coated with an adhesive having a high elastic limit elongation. It is something that can be done.
この方法によれば砥粒未貼着部のほぼ中央を切断するな
らば、刃物を用いて切断することが可能になり、切断部
位での砥粒層のぐらつきがなく、更に折曲げても亀裂や
砥粒落ちを発生しない。According to this method, if the part where the abrasive grains are not attached is cut approximately in the center, it is possible to use a knife to cut the part, and there is no wobbling of the abrasive grain layer at the cut part, and even if the part is bent, there will be no cracks. No abrasive particles or abrasive particles fall off.
以下、本発明の詳細な説明する。The present invention will be explained in detail below.
本発明に係るやすりシート片は、布、紙などの基材に、
熱硬化性接着剤などの強力な接着剤を用いて砥粒を強固
に接着したものである。接着剤としては、レゾール型フ
ェノール樹脂、エポキシ樹脂、メラミン樹脂、ポリウレ
タン樹脂、ユリア樹脂な・どが挙げられる。接着にあた
っては砥粒層は1層であり、砥粒の約1/3〜2/3程
度が接着剤層に埋まっていると共に、各粒子の一部が接
着剤層から突出していることが望ましい。基材は特に限
定はないが柔軟性のあるものは、折曲げて貼る場合に貼
着しやすく、かつ容器になじみゃすい。The file sheet piece according to the present invention can be applied to a base material such as cloth or paper.
Abrasive grains are firmly bonded using a strong adhesive such as a thermosetting adhesive. Examples of the adhesive include resol type phenolic resin, epoxy resin, melamine resin, polyurethane resin, and urea resin. For adhesion, it is desirable that the abrasive grain layer is one layer, and that approximately 1/3 to 2/3 of the abrasive grains are buried in the adhesive layer, and that a portion of each particle protrudes from the adhesive layer. . There are no particular limitations on the base material, but a flexible one is easy to apply when folded and is compatible with the container.
紙を用いる場合は柔軟性が5〜30cm/ 15mm、
好ましくは10〜20cm/ 15mm(JIS P−
8143による)のものである。接着剤を施すに先立っ
て、基材にグラビア印刷を施すことが好ましい。When using paper, the flexibility is 5-30cm/15mm,
Preferably 10-20cm/15mm (JIS P-
8143). Preferably, the substrate is gravure printed prior to applying the adhesive.
砥粒はアランダム、炭化珪素、その他通常の砥粒でよく
、粒径は最大360μ程度である。The abrasive grains may be alundum, silicon carbide, or other ordinary abrasive grains, and the maximum grain size is about 360 μm.
本発明に係るやすりシート片は基材に接着された砥粒の
接着剤層から突出している部分を、更に乾燥後も弾性を
有する薄い接着剤層で覆うものである。そのため、この
やすりシート片を紙箱などの容器の稜線部分に貼着した
り、2つ折りしたりして90度以上に折曲げてもやすり
シート片に亀裂が生じない。被覆用接着剤は塗布時に流
動性があるため、均一に塗布しても砥粒の先端部は薄く
、基部は厚く被覆される傾向がある。したがって、砥粒
の先端部は依然として鋭い形状を保ち、切断機能に影響
しない。被覆用の接着剤は弾性限界伸び率が常温で13
0〜700%、好ましくは150〜500%、より好ま
しくは180〜400%の乾燥被膜特性を有するもので
あり、例えば、SBR,NBR、ポリ塩化ビニル系ゴム
、ポリ酢酸ビニル系コム、天然ゴム、ポリウレタンなど
が挙げられる。In the file sheet piece according to the present invention, the portion of the abrasive grains bonded to the base material that protrudes from the adhesive layer is further covered with a thin adhesive layer that remains elastic even after drying. Therefore, even if this file sheet piece is attached to the ridgeline of a container such as a paper box or folded in half to an angle of 90 degrees or more, no cracks will occur in the file sheet piece. Since the coating adhesive has fluidity when applied, even if it is applied uniformly, the tip of the abrasive grain tends to be coated thinly and the base part tends to be coated thickly. Therefore, the tip of the abrasive grain still maintains its sharp shape and does not affect the cutting function. The adhesive for coating has an elastic limit elongation rate of 13 at room temperature.
It has a dry film characteristic of 0 to 700%, preferably 150 to 500%, more preferably 180 to 400%, such as SBR, NBR, polyvinyl chloride rubber, polyvinyl acetate com, natural rubber, Examples include polyurethane.
本発明やすりシート片は、基材に接着剤をフレキソ印刷
、凸版印刷などの印刷技術を用いて局部的に施し、その
上に砥粒を1層に埋め込むことによって得られる。接着
剤を施さない部分には砥粒は付着せず、その中央部を切
断すれば縁どりを有するやすりシート片が得られ、切断
刃が急速に摩耗したり、砥粒落ちすることがない。接着
剤を施さない部分を縦横の格子状に設ければ、長方形、
或いは正方形の縁どりを有するやすりシート片が得られ
る。The sanding sheet piece of the present invention is obtained by locally applying an adhesive to a base material using a printing technique such as flexographic printing or letterpress printing, and embedding abrasive grains thereon in a single layer. Abrasive grains do not adhere to areas where adhesive is not applied, and if the central part is cut, a piece of file sheet with an edge is obtained, and the cutting blade does not wear out rapidly and the abrasive grains do not fall off. If you arrange the areas without adhesive in a horizontal and vertical grid, you can create a rectangle.
Alternatively, pieces of file sheet with square edges are obtained.
本発明によれば、巻回フィルムの容器に切断具として使
用するやすりシート片の工業的製造が可能になり、稜線
部分をはじめ任意の曲面、平面、尖端部をやすり面にす
ることが可能になり、任意の部位に貼着し切断効果を向
上させることができ砥粒落ちするおそれがない。更に、
縁どりを有するため、所定の部位に貼着するとき、位置
決めが容易になり正確に貼着できる効果を有すると共に
、抜き刃をいためることなく、やすり片の切断部位の砥
粒落ちを防止できる。According to the present invention, it is possible to industrially manufacture a file sheet piece used as a cutting tool for a rolled film container, and it is possible to make any curved surface, flat surface, or pointed end, including ridge lines, into a file surface. Therefore, it can be attached to any part to improve the cutting effect, and there is no risk of abrasive grains falling off. Furthermore,
Since it has a border, when pasting it on a predetermined part, it has the effect of making positioning easy and accurately pasting it, and also prevents abrasive grains from falling off at the cut part of the file piece without damaging the punching blade.
柔軟性(JIS P−,8143による)が、縦16
crn/ L5mm。Flexibility (according to JIS P-, 8143) is vertical 16
crn/L5mm.
横12cm/15mm、重量64g/n?のグラビナ印
刷を施したコート紙に、コランダム系の砥粒# 120
(JIS研削材粒度)を約250g/mの割で塗布し
た。Width 12cm/15mm, weight 64g/n? Corundum abrasive #120 on coated paper with gravina printing.
(JIS abrasive particle size) was applied at a rate of about 250 g/m.
接着剤としては、レゾール型フェノール樹脂(固形分7
3%)100重量部と、多価アルコールポリグリシジル
エーテル(固形分 100%)20重量部とを混合した
ものを用い、約80g/mの割合で縦横の格子状に接着
剤を施さない部分、すなわち、縁どりを残して塗布した
。As an adhesive, resol type phenolic resin (solid content 7
Using a mixture of 100 parts by weight of 3%) and 20 parts by weight of polyhydric alcohol polyglycidyl ether (solid content 100%), the parts where no adhesive is applied in a vertical and horizontal grid pattern at a rate of about 80 g/m, That is, it was applied leaving a border.
更に、この砥粒層の上に被覆用接着剤を塗布した。被覆
用接着剤は下記の組成のものを用いた。Furthermore, a coating adhesive was applied on top of this abrasive grain layer. The coating adhesive used had the following composition.
変性スチレン・ブタジェン共重合体ラテックス(固形分
49%)100重量部
ポリビニルアルコール(10%溶液) 5重量部メラ
ミン樹脂 5重量部メラミン樹
脂触媒 0.3重量部塗布量=200
g/rr?
この被覆用接着剤の乾燥被膜特性は
300%モジュラス 90Kg/cTA、弾性限界伸び
率は約350%であった。Modified styrene-butadiene copolymer latex (solid content 49%) 100 parts by weight Polyvinyl alcohol (10% solution) 5 parts by weight Melamine resin 5 parts by weight Melamine resin catalyst 0.3 parts by weight Coating amount = 200
g/rr? The dry coating properties of this coating adhesive were 300% modulus of 90 Kg/cTA and an elastic limit elongation of about 350%.
本実施例においては、更に基材の裏面にアクリル酸エス
テル系粘着剤層を設け、グラシン紙表面にシリコーン加
工した離型紙を貼着した。In this example, an acrylic acid ester adhesive layer was further provided on the back surface of the base material, and a silicone-treated release paper was adhered to the surface of the glassine paper.
第1図は本実施例によって得られた縁どりを有するやす
りシート片の断面図である。1は基材、2はその裏面に
施した粘着剤、3は離型紙である。FIG. 1 is a cross-sectional view of a file sheet piece having a border obtained according to this example. 1 is a base material, 2 is an adhesive applied to the back surface thereof, and 3 is a release paper.
基材1の表面には接着剤4により砥粒5を固定した。6
は接着剤を施さなかった部分、すなわち縁どりとなる部
分であり、したがって砥粒5も付着していない。7は砥
粒層の上に設けた被覆用接着剤層である。第2図はこの
やすりシートの平面図であり、縁どり6の中央部の破線
で示す切断線8を切断して縁どりを有するやすりシート
片を得た。Abrasive grains 5 were fixed to the surface of the base material 1 with an adhesive 4. 6
is a portion to which no adhesive has been applied, that is, a portion that will become a border, and therefore no abrasive grains 5 are attached. 7 is a coating adhesive layer provided on the abrasive grain layer. FIG. 2 is a plan view of this file sheet, and a file sheet piece having a border was obtained by cutting along a cutting line 8 shown by a broken line in the center of the border 6.
このやすりシート片の裏面の離型紙3を剥がし、第3図
に示すようなプラスチックスフィルムの紙箱9の稜線1
0に跨って貼着した。11はプラスチックスフィルムで
ある。第4図は稜線10上に貼着したやすりシート片の
拡大断面図である。第4図でわかるように本発明に係る
やすりシート片は折曲げても亀裂が生じないため、最も
切断効率のよい稜線部分に砥粒が固着し、稜線上に不連
続線状の切断刃を形成する。この刃に巻回フィルムの切
断開始端部をこすりつけることによりフィルム端部が破
れ、この破れを稜線に沿って伝播させることにより、確
実かつ安全に巻回フィルムを切断することができる。Peel off the release paper 3 on the back side of this file sheet piece, and remove the ridge line 1 of the plastic film paper box 9 as shown in FIG.
I pasted it across 0. 11 is a plastic film. FIG. 4 is an enlarged sectional view of the file sheet piece stuck on the ridgeline 10. As can be seen in Figure 4, the file sheet piece according to the present invention does not crack even when folded, so the abrasive grains stick to the ridgeline portion where cutting efficiency is highest, creating a discontinuous linear cutting blade on the ridgeline. Form. By rubbing the cutting start end of the wound film against this blade, the end of the film is torn, and by propagating this tear along the ridgeline, the wound film can be cut reliably and safely.
第5図は他の実施例を示し、やすりシート片を稜線10
の全長にわたって貼着した。やすりシートすように砥粒
を局所的に施すことも可能である。FIG. 5 shows another embodiment in which a piece of file sheet is placed along the ridge line 10.
It was attached along the entire length. It is also possible to apply abrasive grains locally, such as with a file sheet.
更に巻回フィルムの紙箱には前もって、やすりシート片
を貼着せず、使用時に貼着しても差支えない。この場合
に紙箱のやすりシート片を貼着すべき部位を指示するマ
ークを施すとよい。Furthermore, the sanding sheet piece may not be attached to the paper box of the rolled film in advance, but may be attached at the time of use. In this case, it is advisable to make a mark to indicate the part of the paper box where the sanding sheet piece should be attached.
第1図は縁どりを有するやすりシート片に切断する前の
状態の断面図、第2図は第1図の平面図、第3図、第5
図はやすりシート片を巻回フィルムの紙箱に貼着した状
態を示す斜視図、第4図は第3図の拡大断面図である。
図面中、符号
1は基材、2は粘着剤、3は離型紙、4は接着剤、5は
砥粒、6は縁どり、7は被覆用接着剤、8は切断線、9
は紙箱、10は稜線、11はプラスチックスフィルムで
ある。
特許出願人 旭化成工業株式会社
第1図
第2図Figure 1 is a sectional view of the file sheet before it is cut into pieces with edges, Figure 2 is a plan view of Figure 1, Figures 3 and 5.
The figure is a perspective view showing the state in which the file sheet piece is stuck to the paper box of the rolled film, and FIG. 4 is an enlarged sectional view of FIG. 3. In the drawings, reference numeral 1 is a base material, 2 is an adhesive, 3 is a release paper, 4 is an adhesive, 5 is an abrasive grain, 6 is a border, 7 is a coating adhesive, 8 is a cutting line, 9
1 is a paper box, 10 is a ridgeline, and 11 is a plastic film. Patent applicant: Asahi Kasei Industries, Ltd. Figure 1 Figure 2
Claims (2)
粒が接着されていない縁どり部分を設けたシート状やす
りの小片であって、砥粒の表面が弾性限界伸び率が13
0〜700%の乾燥被膜特性を有する接着剤により被覆
されている縁どりを有するやすりシート片。(1) A small piece of a sheet-like file in which abrasive grains are adhered to one side of a base material, and a border portion where no abrasive grains are adhered to the periphery is provided, and the surface of the abrasive grains has an elastic limit elongation rate. is 13
A piece of sanding sheet having an edge coated with an adhesive having a dry film property of 0 to 700%.
粒が接着されていない縁どり部分を設けたシート状やす
りの小片であって、砥粒の表面が弾性限界伸び率が13
0〜700%の乾燥被膜特性を有する接着剤により被覆
されていると共に、裏面に粘着剤を介して離型紙を貼着
してなる縁どりを有するやすりシート片。(2) A small piece of a sheet-like file in which abrasive grains are adhered to one side of a base material, and a border portion where no abrasive grains are adhered to the periphery is provided, and the surface of the abrasive grains has an elastic limit elongation rate. is 13
A file sheet piece coated with an adhesive having a dry film characteristic of 0 to 700%, and having a border formed by pasting a release paper on the back side via an adhesive.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5828085A JPS61217189A (en) | 1985-03-25 | 1985-03-25 | File sheet piece having hem |
AU55081/86A AU580661B2 (en) | 1985-03-25 | 1986-03-24 | Cutter for dispensing container and dispensing container provided with said cutter |
US06/843,471 US4679718A (en) | 1985-03-25 | 1986-03-24 | Cutter for dispensing container and dispensing container provided with said cutter |
CA000504933A CA1257567A (en) | 1985-03-25 | 1986-03-24 | Cutter for dispensing container and dispensing container provided with said cutter |
EP86104111A EP0196073B1 (en) | 1985-03-25 | 1986-03-25 | Cutter for dispensing container and dispensing container provided with said cutter |
DE8686104111T DE3661723D1 (en) | 1985-03-25 | 1986-03-25 | Cutter for dispensing container and dispensing container provided with said cutter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5828085A JPS61217189A (en) | 1985-03-25 | 1985-03-25 | File sheet piece having hem |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61217189A true JPS61217189A (en) | 1986-09-26 |
Family
ID=13079772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5828085A Pending JPS61217189A (en) | 1985-03-25 | 1985-03-25 | File sheet piece having hem |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61217189A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57125140A (en) * | 1981-01-27 | 1982-08-04 | Asahi Dow Ltd | Case for wound film |
JPS5939168A (en) * | 1982-08-27 | 1984-03-03 | Fuji Xerox Co Ltd | Modulation circuit of semiconductor laser |
-
1985
- 1985-03-25 JP JP5828085A patent/JPS61217189A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57125140A (en) * | 1981-01-27 | 1982-08-04 | Asahi Dow Ltd | Case for wound film |
JPS5939168A (en) * | 1982-08-27 | 1984-03-03 | Fuji Xerox Co Ltd | Modulation circuit of semiconductor laser |
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