JPH07116412B2 - Double-sided adhesive tape manufacturing method - Google Patents
Double-sided adhesive tape manufacturing methodInfo
- Publication number
- JPH07116412B2 JPH07116412B2 JP62310544A JP31054487A JPH07116412B2 JP H07116412 B2 JPH07116412 B2 JP H07116412B2 JP 62310544 A JP62310544 A JP 62310544A JP 31054487 A JP31054487 A JP 31054487A JP H07116412 B2 JPH07116412 B2 JP H07116412B2
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- double
- adhesive tape
- adhesive layer
- blade
- 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.)
- Expired - Fee Related
Links
Landscapes
- Adhesive Tapes (AREA)
Description
【発明の詳細な説明】 「産業上の利用分野」 本発明は両面粘着テープの製造法に関するものである。The present invention relates to a method for producing a double-sided pressure-sensitive adhesive tape.
「従来の技術」 従来、両面粘着テープは剥離紙に内外粘着層を附着し、
両粘着層間に芯材又は基材を介在させ、該粘着層及び基
材を所定間隔に刃で切断する際刃先に非粘着性又は低粘
着性物質を塗布し切断対向面にこれを附着させることに
よって所定寸法の両面粘着テープを手やはさみで切断す
ることなく貼着させる技術が開発されている。しかしこ
のような技術では非粘着性又は低粘着性物質が切断対向
面から粘着表面に溢出し表面の粘着性を阻害する。その
ため切断間隔を１〜3mm程度に小ピッチとし切断を高速
にすると粘着表面が上記非粘物で覆われ粘着性が低減す
るという問題点がある（特開昭49-22441号、特公昭52-1
1323号）。"Conventional technology" Conventionally, double-sided adhesive tape has an inner and outer adhesive layer attached to a release paper,
A core material or a base material is interposed between both adhesive layers, and when the adhesive layer and the base material are cut with a blade at a predetermined interval, a non-adhesive or low-adhesive substance is applied to the cutting edge and attached to the cutting facing surface. Has developed a technique for attaching a double-sided adhesive tape of a predetermined size without cutting it with hands or scissors. However, in such a technique, the non-adhesive or low-adhesive substance overflows from the cutting-opposing surface to the adhesive surface and inhibits the adhesiveness of the surface. Therefore, when the cutting interval is set to a small pitch of about 1 to 3 mm and the cutting is performed at high speed, there is a problem that the adhesive surface is covered with the above non-viscous substance and the adhesiveness is reduced (JP-A-49-22441 and JP-B-52-52). 1
No. 1323).
「発明が解決しようとする問題点」 本発明は両面粘着テープの内外粘着層の粘着表面の粘性
の低減が無く芯材又は基材のみ細い間隔に切断された両
面粘着テープを得ようとするものである。"Problems to be Solved by the Invention" The present invention is intended to obtain a double-sided pressure-sensitive adhesive tape in which only the core material or the base material is cut at a narrow interval without reducing the viscosity of the adhesive surface of the inner and outer pressure-sensitive adhesive layers of the double-sided pressure-sensitive adhesive tape. Is.
「問題点を解決するための手段」 受ローラ及び複数の薄刃を等間隔に突設した切断用ロー
ラ間を通過する剥離紙及びこれに附着した両面粘着テー
プにおいて、上記刃に非粘着性又は低粘着性物質を塗布
することなく粘着剤が粘着しない剥離性薄刃を用い、該
粘着テープの外側粘着層の外側から内外粘着層間の基材
を上記剥離性薄刃によって等間隔に切断し、切断時該刃
を上記粘着層の粘着剤から剥離させ、かつ該切断後外側
粘着層の表面を押圧し該粘着層の切断対向面を粘着接続
させることを特徴とする両面粘着テープ製造法 「作用」 従つて受ローラ９及び上記ローラ10を互に反対方向（矢
印ｂ、ｃ）に回動させ剥離紙８及び上記両面粘着テープ
１を上記両ローラ９、10間を通過させることによつて上
記複数の剥離性刃５が外側粘着層２及び基材４を等間隔
に切断し該刃５には外側粘着層２の粘着剤６が粘着する
ことはない。このように等間隔に切断した外側粘着層２
及び基材４は剥離紙８と共に矢印ａ方向に移行し、その
状態において外側粘着層２の表面を剥離紙８側に押圧す
ると切断対向面７、７は対向方向に接触して互に粘着し
無切断の外側粘着層２（第２図）が形成されるものであ
る。従つて第５図に示すように両面粘着テープ１を下向
にして所定長の位置で剥離紙８の裏面を指14で押えて該
粘着テープ１を目的物に粘着させ、剥離紙８を指14で押
えた部分から矢印ｅ方向にめくつて除去すると該粘着テ
ープ１は所定長の位置で基材４の切断部４′が分離し内
外の粘着層２、３も該切断部４′で分離して所定長だけ
目的物に貼着される。そして、上記刃５に薄刃が用いら
れる。"Means for Solving Problems" Release paper that passes between a receiving roller and a cutting roller in which a plurality of thin blades are projected at equal intervals, and a double-sided adhesive tape attached to the release paper is non-adhesive or low in the blade. Using a peelable thin blade in which the adhesive does not stick without applying a sticky substance, the base material between the inner and outer adhesive layers from the outside of the outer adhesive layer of the adhesive tape is cut at equal intervals by the peelable thin blade, and at the time of cutting, A double-sided pressure-sensitive adhesive tape manufacturing method, characterized in that a blade is peeled from the pressure-sensitive adhesive of the pressure-sensitive adhesive layer, and the surface of the outer pressure-sensitive adhesive layer is pressed after the cutting so that the cut-opposing surface of the pressure-sensitive adhesive layer is adhesively connected. By rotating the receiving roller 9 and the roller 10 in mutually opposite directions (arrows b and c) and passing the release paper 8 and the double-sided adhesive tape 1 between the rollers 9 and 10, the plurality of release operations are performed. The sex blade 5 is the outer adhesive layer 2 and The base material 4 is cut at equal intervals, and the adhesive 5 of the outer adhesive layer 2 does not adhere to the blade 5. The outer adhesive layer 2 cut at equal intervals in this way
And the base material 4 moves in the direction of the arrow a together with the release paper 8, and when the surface of the outer adhesive layer 2 is pressed toward the release paper 8 in that state, the cut facing surfaces 7, 7 contact in the facing direction and stick to each other. The uncut outer adhesive layer 2 (FIG. 2) is formed. Therefore, as shown in FIG. 5, with the double-sided adhesive tape 1 facing downward, the back surface of the release paper 8 is pressed with a finger 14 at a position of a predetermined length so that the adhesive tape 1 is adhered to the object and the release paper 8 is placed on the fingers. When the adhesive tape 1 is removed from the portion pressed by 14 in the direction of the arrow e, the adhesive tape 1 is separated at the predetermined length position by the cut portion 4'of the base material 4, and the inside and outside adhesive layers 2, 3 are also separated by the cut portion 4 '. Then, it is attached to the object for a predetermined length. A thin blade is used as the blade 5.
「実施例」 テープ状剥離紙８の上面に両面粘着テープ１を附着し、
表面焼入研磨した鋼製受ローラ９と、複数の刃５を等間
隔（１〜3mmピッチ）に外周に突設した切断用ローラ10
とを上下に機枠に配設し、上記剥離紙８及び両面粘着テ
ープ１を上記両ローラ９、10間に剥離紙８を受ローラ９
に接して挿入し両ローラ９、10を互に逆方向（矢印ｂ、
ｃ方向）に回動し第４図矢印ａ方向に牽引して移動させ
る。上記の刃５にはシリコン又はテフロン５′による表
面処理又は表面加工が施され、それによつて該刃５には
粘着剤６が粘着せず剥離する性質が附与される。このよ
うにした刃５は切断用ローラ10の回動に伴つて両面粘着
テープ１の外側粘着層２の外側から内外粘着層２、３間
の芯材又は基材４を等間隔（１〜3mm程度）に切断する
ものである（その状態を第１図に示す）。この切断時に
は外側粘着層２（内側粘着層３を同時に切断しても良
い）を切断するが該刃５と粘着層２、３とは粘着するこ
となく剥離する。このように切断された両面粘着テープ
１は剥離紙８に伴つて矢印ａ方向に牽引される途中でシ
リコン又はテフロン表面加工を施したピンチローラ11、
12で外側粘着層２が剥離紙８に向つて押されるため上述
のように切断された外側粘着層２の切断対向面７、７は
接触しそのため互に粘着して接続するものでる（第２図
にその状態が示される）。又上記ピンチローラ11、12を
用いず第３図に示すように巻胴13を矢印ｄ方向に回動
し、これに剥離紙８及び両面粘着テープ１を巻取ること
によつて巻取られた剥離紙８の裏面に外側粘着層２を押
圧し、巻取りと同時に切断対向面７、７を粘着接続させ
ても良い。尚図中９′で示すものは受けローラ９の表面
焼入部である。Example The double-sided adhesive tape 1 is attached to the upper surface of the tape-shaped release paper 8,
Surface-hardened and polished steel receiving roller 9 and cutting roller 10 in which a plurality of blades 5 are projected on the outer periphery at equal intervals (1 to 3 mm pitch).
And the upper and lower parts are arranged in the machine frame, and the release paper 8 and the double-sided adhesive tape 1 are placed between the rollers 9 and 10 and the release paper 8 is received by the receiving roller 9
The rollers 9 and 10 in opposite directions (arrow b,
It rotates in the direction c) and is pulled and moved in the direction of arrow a in FIG. The blade 5 is subjected to a surface treatment or surface treatment with silicon or Teflon 5 ', which gives the blade 5 a property that the adhesive 6 does not stick and is peeled off. The blade 5 thus configured is arranged at equal intervals (1 to 3 mm) from the outer side of the outer adhesive layer 2 of the double-sided adhesive tape 1 to the core material or substrate 4 between the inner and outer adhesive layers 2 and 3 as the cutting roller 10 rotates. It is cut into pieces (the degree is shown in FIG. 1). During this cutting, the outer adhesive layer 2 (the inner adhesive layer 3 may be cut at the same time) is cut, but the blade 5 and the adhesive layers 2 and 3 are peeled off without sticking. The double-sided pressure-sensitive adhesive tape 1 thus cut is pulled along with the release paper 8 in the direction of the arrow a, and the pinch roller 11 having a silicon or Teflon surface treatment,
At 12 the outer adhesive layer 2 is pushed towards the release paper 8 so that the cutting facing surfaces 7, 7 of the outer adhesive layer 2 cut as described above come into contact and therefore adhere to each other (second). The state is shown in the figure). Further, as shown in FIG. 3, the winding drum 13 was rotated in the direction of the arrow d without using the pinch rollers 11 and 12, and the release paper 8 and the double-sided adhesive tape 1 were wound around the winding drum 13 to be wound up. The outer pressure-sensitive adhesive layer 2 may be pressed against the back surface of the release paper 8 and the cutting opposing surfaces 7, 7 may be adhesively connected at the same time as the winding. The surface hardening portion of the receiving roller 9 is shown at 9 '.
「効果」 本発明は上述のように薄刃による剥離性刃による外側粘
着層及び芯材又は基材の切断に際し、粘着剤が剥離性刃
から剥離し、該刃に粘着剤が粘着するおそれがないため
切味良好で切断間隔を小にかつ高速切断ができるばかり
でなく基材４のみ切断され、外側粘着層には切目が無く
なり、外側粘着層の表面の粘着性が低下するおそれがな
い。"Effects" The present invention, as described above, when cutting the outer adhesive layer and the core material or the substrate by the peelable blade with a thin blade, there is no risk that the adhesive will peel from the peelable blade and the adhesive will stick to the blade Therefore, not only is the cutting quality good, the cutting interval can be shortened and high-speed cutting can be performed, but only the substrate 4 is cut, the outer adhesive layer has no cuts, and there is no fear that the adhesiveness of the surface of the outer adhesive layer is reduced.
第１図は本発明の製造法を示す側面図、第２図は同製造
法によつて製造された粘着テープの側面図、第３図は巻
取状態の斜視図、第４図は上記製造法の一部の側面図、
第５図は所要寸法の両面粘着テープの貼着状態の斜視図
である。 １……両面粘着テープ、２……外側粘着層、３……内側
粘着層、４……基材、５……剥離性薄刃、６……粘着
剤、７……切断対向面。FIG. 1 is a side view showing a manufacturing method of the present invention, FIG. 2 is a side view of an adhesive tape manufactured by the manufacturing method, FIG. 3 is a perspective view in a winding state, and FIG. Side view of part of the law,
FIG. 5 is a perspective view of a double-sided pressure-sensitive adhesive tape having a required size attached thereto. 1 ... Double-sided adhesive tape, 2 ... Outer adhesive layer, 3 ... Inner adhesive layer, 4 ... Substrate, 5 ... Peelable thin blade, 6 ... Adhesive, 7 ... Cutting facing surface.
Claims (1)
た切断用ローラ間を通過する剥離紙及びこれに附着した
両面粘着テープにおいて、上記刃に非粘着性又は低粘着
性物質を塗布することなく粘着剤が粘着しない剥離性薄
刃を用い、該粘着テープの外側粘着層の外側から内外粘
着層間の基材を上記剥離性薄刃によって等間隔に切断
し、切断時該刃を上記粘着層の粘着剤から剥離させ、か
つ該切断後外側粘着層の表面を押圧し該粘着層の切断対
向面を粘着接続させることを特徴とする両面粘着テープ
製造法。Claim: What is claimed is: 1. A release paper that passes between a cutting roller having a receiving roller and a plurality of thin blades protruding at equal intervals, and a double-sided adhesive tape attached to the release paper. The blade is coated with a non-adhesive or low-adhesive substance. Using a peelable thin blade that the adhesive does not stick without using, the substrate between the inner and outer adhesive layers from the outside of the outer adhesive layer of the pressure-sensitive adhesive tape is cut at equal intervals by the peelable thin blade, and when cutting, the blade is the adhesive layer The method for producing a double-sided pressure-sensitive adhesive tape, which comprises peeling from the pressure-sensitive adhesive of item (1) and pressing the surface of the outer pressure-sensitive adhesive layer after cutting to adhesively connect the cut-opposing surface of the pressure-sensitive adhesive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62310544A JPH07116412B2 (en) | 1987-12-07 | 1987-12-07 | Double-sided adhesive tape manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62310544A JPH07116412B2 (en) | 1987-12-07 | 1987-12-07 | Double-sided adhesive tape manufacturing method |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33164396A Division JP2884233B2 (en) | 1996-11-26 | 1996-11-26 | Double-sided adhesive tape |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01149881A JPH01149881A (en) | 1989-06-12 |
| JPH07116412B2 true JPH07116412B2 (en) | 1995-12-13 |
Family
ID=18006513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62310544A Expired - Fee Related JPH07116412B2 (en) | 1987-12-07 | 1987-12-07 | Double-sided adhesive tape manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07116412B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8945335B2 (en) * | 2011-08-04 | 2015-02-03 | Apple Inc. | Adhesive stack with a central shear layer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5228717Y2 (en) * | 1971-04-19 | 1977-06-30 | ||
| JPS5211323B2 (en) * | 1972-06-20 | 1977-03-30 |
-
1987
- 1987-12-07 JP JP62310544A patent/JPH07116412B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01149881A (en) | 1989-06-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |