JP5514540B2 - Adhesive tape manufacturing equipment - Google Patents

Adhesive tape manufacturing equipment Download PDF

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JP5514540B2
JP5514540B2 JP2009503947A JP2009503947A JP5514540B2 JP 5514540 B2 JP5514540 B2 JP 5514540B2 JP 2009503947 A JP2009503947 A JP 2009503947A JP 2009503947 A JP2009503947 A JP 2009503947A JP 5514540 B2 JP5514540 B2 JP 5514540B2
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adhesive tape
pressure
adhesive
heater
take
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JPWO2008111377A1 (en
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文男 神山
英淑 権
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CosMED Pharmaceutical Co Ltd
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CosMED Pharmaceutical Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/105—Drying webs by contact with heated surfaces other than rollers or drums
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • 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
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
    • B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling

Description

本発明は、溶剤タイプ又は溶液タイプの粘着剤を支持基材に塗布して粘着テープを製造するための粘着テープ製造装置に関する。   The present invention relates to a pressure-sensitive adhesive tape manufacturing apparatus for manufacturing a pressure-sensitive adhesive tape by applying a solvent-type or solution-type pressure-sensitive adhesive to a support substrate.

一般に、溶剤タイプ又は溶液タイプの粘着剤を用いた粘着テープの製造は、支持基材に粘着剤を塗布乾燥する方法又は第１の支持基材に粘着剤を塗布乾燥した後第２の支持基材に転写する方法で製造されており、その乾燥は箱状の乾燥装置内で熱風を吹付けることにより行われていた（例えば、特許文献１参照）。
しかしながら、上記乾燥装置は熱効率が悪く、多量の熱風を排出しなければならない、装置が大きくなるという欠点を有しており、少量多品種製造の場合やテープ医薬のようにクリーンな状態で製造する場合には不適当であった。
特開平７−１１２０６号公報 In general, the production of pressure-sensitive adhesive tapes using solvent-type or solution-type pressure-sensitive adhesives is performed by applying a pressure-sensitive adhesive to a supporting substrate or by drying the second supporting group after applying and drying the pressure-sensitive adhesive on the first supporting substrate. It was manufactured by a method of transferring to a material, and drying was performed by blowing hot air in a box-shaped drying apparatus (for example, see Patent Document 1).
However, the drying apparatus has the disadvantages that the thermal efficiency is poor, a large amount of hot air must be discharged, and the apparatus becomes large. It was inappropriate in some cases.
JP 7-11206 A

本発明の目的は、上記欠点に鑑み、少量多品種製造の場合やテープ医薬のようにクリーンな状態で製造する場合に好適に使用できる乾燥装置を有する粘着テープ製造装置を提供することにある。
本発明の粘着テープ製造装置は、粘着剤塗布装置、乾燥装置及び粘着テープ引取り機よりなり、乾燥装置は箱状であって、粘着剤塗布装置側に粘着テープ入口、粘着テープ巻取り機側に粘着テープ出口、側壁にガス吸入口が形成されていると共に内部に、それ自体が発熱する面状ヒータが設置されており、前記面状ヒータの上方にエアドライヤー型乾燥機を有せず、粘着剤塗布装置により粘着剤を支持基材に塗布し、乾燥装置に供給して粘着テープ引取り機により引取る際に、粘着テープを面状ヒータ面上を摺動させて加熱乾燥するようになされていることを特徴とする。更に、前記面状ヒータの表面が金属板からなり、前記面状ヒータが、粘着テープ入口側から粘着テープ出口側に向って複数の面状ヒータに分割されており、面状ヒータの温度は粘着テープ入口側から粘着テープ出口側に向かって順次高温とされていることを特徴とする。これにより、粘着剤を面状ヒータで加熱し溶媒を乾燥させる際に、最初に高温を負荷することがなくなるため、粘着剤層に気泡が発生し商品価値が低下することを防ぐことができる。 An object of the present invention is to provide an adhesive tape manufacturing apparatus having a drying device that can be suitably used in the case of manufacturing a small variety of products or in the case of manufacturing in a clean state like a tape medicine in view of the above drawbacks.
The pressure-sensitive adhesive tape production apparatus of the present invention comprises a pressure-sensitive adhesive coating device, a drying device, and a pressure-sensitive adhesive tape take-up machine. The drying device is box-shaped, and the pressure-sensitive adhesive coating device side has a pressure-sensitive adhesive tape inlet and a pressure-sensitive adhesive tape winder side. In addition to the adhesive tape outlet, a gas inlet is formed in the side wall, and a sheet heater that heats itself is installed inside, without an air dryer type dryer above the sheet heater, When the adhesive is applied to the support substrate by the adhesive applicator, supplied to the drying device and taken out by the adhesive tape take-off machine, the adhesive tape is slid on the surface heater surface and dried by heating. It is characterized by being made. Furthermore, the surface of the planar heater is made of a metal plate, and the planar heater is divided into a plurality of planar heaters from the adhesive tape inlet side to the adhesive tape outlet side. The temperature is gradually increased from the tape inlet side toward the adhesive tape outlet side. Accordingly, when the adhesive is heated with the planar heater and the solvent is dried, the high temperature is not first applied, and thus it is possible to prevent bubbles from being generated in the adhesive layer and reducing the commercial value.

上記粘着剤塗布装置としては、従来から粘着テープを製造する際に一般に使用されている粘着剤塗布装置であれば、特に限定されず、例えば、２ロールコーター、３ロールコーター、リバースロールコーター、ナイフロールコーター、コンマコーター、グラビアコーター等があげられる。又、上記粘着テープ引取り機としては、従来から粘着テープを製造する際に一般に使用されている引取り装置であれば、特に限定されず、例えば、引取りロールがあげられる。   The pressure-sensitive adhesive coating device is not particularly limited as long as it is a pressure-sensitive adhesive coating device that has been generally used in the production of pressure-sensitive adhesive tapes. For example, a two-roll coater, a three-roll coater, a reverse roll coater, and a knife Examples include roll coaters, comma coaters, and gravure coaters. Further, the pressure-sensitive adhesive tape take-up machine is not particularly limited as long as it is a take-up apparatus generally used for producing pressure-sensitive adhesive tapes, and examples thereof include take-up rolls.

上記乾燥装置は箱状であって、粘着剤塗布装置側に粘着テープ入口、粘着テープ巻取り機側に粘着テープ出口、側壁にガス吸入口が形成されていると共に内部に面状ヒータが設置されている。ガス吸入口は蒸発した粘着剤の溶媒を除去するための開口部であり、ガス吸引装置（減圧装置）に接続されている。   The drying device is box-shaped, and has an adhesive tape inlet on the adhesive coating device side, an adhesive tape outlet on the adhesive tape winder side, a gas inlet on the side wall, and a planar heater inside. ing. The gas inlet is an opening for removing the evaporated solvent of the adhesive, and is connected to a gas suction device (decompression device).

面状ヒータは一枚ものであってもよいし、複数の面状ヒータが連続的に配置されていてもよい。尚、面状ヒータの表面上に接するように粘着テープを摺動させて加熱乾燥するのであるから、粘着テープが切断されることなく低抵抗で摺動されるのが好ましく、面状ヒータの表面はアルミニウム板、ステンレススチール板等の金属板で形成されているのが好ましい。   One sheet heater may be used, or a plurality of sheet heaters may be continuously arranged. In addition, since the adhesive tape is slid so as to be in contact with the surface of the planar heater and dried by heating, the adhesive tape is preferably slid with low resistance without being cut. Is preferably formed of a metal plate such as an aluminum plate or a stainless steel plate.

面状ヒータは粘着テープがその表面上を確実に摺動されるためには、粘着テープ入口側から粘着テープ出口側に次第に高くなるように設置されている、又は上側が凸になるように太鼓状に設置されているのが好ましい。   In order to ensure that the adhesive tape slides on the surface, the planar heater is installed so as to gradually increase from the adhesive tape inlet side to the adhesive tape outlet side, or so that the upper side is convex. It is preferable that they are installed in a shape.

又、粘着テープが面状ヒータの表面上を確実に摺動されるように、粘着テープの供給高さより粘着テープ入口側の面状ヒータの高さが高く、且つ、粘着テープの引取り高さより粘着テープ出口側の面状ヒータの高さが高くなされているのが好ましい。   In order to ensure that the adhesive tape slides on the surface of the sheet heater, the height of the sheet heater on the inlet side of the adhesive tape is higher than the supply height of the adhesive tape and more than the take-up height of the adhesive tape. It is preferable that the height of the sheet heater on the adhesive tape outlet side is high.

上記粘着剤は、水、メタノール、エタノール、プロパノール、酢酸エチル、トルエン等の溶媒を含む粘着剤であって、ゴム系、アクリル系、シリコン系、ウレタン系等の溶液系、エマルション系、溶液系の粘着剤である。   The pressure-sensitive adhesive is a pressure-sensitive adhesive containing a solvent such as water, methanol, ethanol, propanol, ethyl acetate, toluene, and is a rubber-based, acrylic-based, silicon-based, urethane-based solution system, emulsion system, or solution system. It is an adhesive.

上記支持基材は、従来から粘着テープを製造する際に一般に使用されているテープ基材及び離型シートであって、テープ基材としては、例えば、塩化ビニル樹脂シート、エチレン樹脂シート、ポリプロピレンシート、エステル樹脂シート、ウレタン樹脂シート、紙、不織布、布、アルミニウム箔等があげられる。   The support base material is a tape base material and a release sheet that are generally used in the production of pressure-sensitive adhesive tapes, and examples of the tape base material include a vinyl chloride resin sheet, an ethylene resin sheet, and a polypropylene sheet. , Ester resin sheet, urethane resin sheet, paper, nonwoven fabric, cloth, aluminum foil and the like.

支持基材としてテープ基材を使用する場合は、乾燥後そのまま巻回するか、離型シートを積層することにより粘着テープが得られ、支持基材として離型シートを使用する場合は、乾燥後粘着剤層にテープ基材を積層して転写することにより粘着テープが得られる。   When using a tape substrate as a support substrate, a pressure-sensitive adhesive tape can be obtained by winding it as it is after drying or by laminating a release sheet. When using a release sheet as a support substrate, after drying An adhesive tape is obtained by laminating and transferring a tape base material on the adhesive layer.

上記粘着テープ製造装置においては、粘着剤塗布装置により粘着剤を支持基材に塗布し、粘着剤が塗布された支持基材（粘着テープ）を粘着テープ入口から乾燥装置に供給する。供給された粘着剤が塗布された支持基材（粘着テープ）を面状ヒータ面上を摺動させて加熱し、粘着剤の溶媒を蒸発乾燥させる。次いで、乾燥した粘着テープを粘着テープ引取り機により粘着テープ出口を経由して引取ることにより粘着テープを得る。蒸発した溶媒はガス吸入口から吸引除去する。また本粘着テープ製造装置は粘着剤塗布装置を加熱することでホットメルト粘着剤塗布装置としての使用も可能である。その場合は面状ヒータを加熱することにより積層操作が容易になるという特徴を有する。   In the said adhesive tape manufacturing apparatus, an adhesive is apply | coated to a support base material with an adhesive application apparatus, and the support base material (adhesive tape) with which the adhesive was apply | coated is supplied to a drying apparatus from an adhesive tape entrance. The support base material (adhesive tape) coated with the supplied adhesive is slid on the surface heater surface and heated to evaporate and dry the solvent of the adhesive. Next, the adhesive tape is obtained by taking the dried adhesive tape through an adhesive tape outlet with an adhesive tape take-out machine. The evaporated solvent is removed by suction from the gas inlet. Moreover, this adhesive tape manufacturing apparatus can also be used as a hot melt adhesive application apparatus by heating the adhesive application apparatus. In that case, the lamination operation is facilitated by heating the planar heater.

尚、本発明の粘着テープ製造装置においては、粘着剤塗布装置を加熱しておき、ホットメルト型粘着剤を供給すればホットメルト型粘着剤を支持基材に塗布することも可能である。
（発明の効果）In the pressure-sensitive adhesive tape production apparatus of the present invention, the hot-melt pressure-sensitive adhesive can be applied to the support substrate by heating the pressure-sensitive adhesive coating apparatus and supplying the hot-melt pressure-sensitive adhesive.
(Effect of the invention)

本発明の粘着テープ製造装置の構成は上述の通りであるから、少量多品種の粘着テープを好適に製造することができる。又、テープ医薬をクリーンな状態で容易に製造することができる。   Since the configuration of the pressure-sensitive adhesive tape production apparatus of the present invention is as described above, a small amount of various types of pressure-sensitive adhesive tapes can be suitably produced. In addition, the tape medicine can be easily manufactured in a clean state.

図１は本発明の粘着テープ製造装置の一例を示す模式図である。FIG. 1 is a schematic view showing an example of the pressure-sensitive adhesive tape production apparatus of the present invention. 図２は本発明の粘着テープ製造装置の異なる例を示す模式図である。FIG. 2 is a schematic view showing a different example of the pressure-sensitive adhesive tape production apparatus of the present invention.

符号の説明Explanation of symbols

１…コンマコーター
２…乾燥装置
３…粘着テープ巻取りロール
４…面状ヒータ
５…支持基材供給ロール
６…テープ基材
７…引取りロール
１１…粘着剤
２１…粘着テープ入口
２２…粘着テープ出口
２３…ガス吸入口DESCRIPTION OF SYMBOLS 1 ... Comma coater 2 ... Drying device 3 ... Adhesive tape winding roll 4 ... Planar heater 5 ... Support base material supply roll 6 ... Tape base material 7 ... Take-off roll 11 ... Adhesive 21 ... Adhesive tape inlet 22 ... Adhesive tape Outlet 23 ... Gas inlet

次に、本発明を図面を参照して説明する。図１は本発明の粘着テープ製造装置の一例を示す模式図である。   Next, the present invention will be described with reference to the drawings. FIG. 1 is a schematic view showing an example of the pressure-sensitive adhesive tape production apparatus of the present invention.

図中１は粘着剤１１を塗布するためのコンマコーターであり、６は支持基材供給ロール５に巻回されているテープ基材である。３は粘着テープ巻取りロールであり、引取りロール７で引取られた粘着テープを巻取るようになされている。   In the figure, 1 is a comma coater for applying the pressure-sensitive adhesive 11, and 6 is a tape base material wound around a support base material supply roll 5. An adhesive tape take-up roll 3 is adapted to take up the adhesive tape taken up by the take-up roll 7.

２は箱状の乾燥装置であり、コンマコーター１側に粘着テープ入口２１が開口され、引取りロール７側に粘着テープ出口２２が開口されている。又、上壁に減圧装置（図示せず）に連結されたガス吸入口２３が形成されている。   Reference numeral 2 denotes a box-shaped drying device, in which an adhesive tape inlet 21 is opened on the comma coater 1 side, and an adhesive tape outlet 22 is opened on the take-up roll 7 side. A gas suction port 23 connected to a decompression device (not shown) is formed on the upper wall.

粘着テープ入口２１から粘着テープ出口２２にかけて面状ヒータ４、４１、４２、４３、４４が連続して設置されている。面状ヒータ４はコンマコーター１のテープ基材６の供給位置（コンマコーター１の２本のロールのクリアランス位置）より高くなされており、面状ヒータ４〜４４の位置は面状ヒータ４から面状ヒータ４１、面状ヒータ４２、面状ヒータ４３、面状ヒータ４４の順に高くなされると共に加熱温度も高くなされている。又、面状ヒータ４４は引取りロール７のクリアランスより高い位置に設置されている。   The planar heaters 4, 41, 42, 43, and 44 are continuously installed from the adhesive tape inlet 21 to the adhesive tape outlet 22. The surface heater 4 is higher than the supply position of the tape base material 6 of the comma coater 1 (the clearance position of the two rolls of the comma coater 1), and the positions of the surface heaters 4 to 44 are from the surface heater 4 to the surface. The heater 41 is increased in the order of the sheet heater 41, the sheet heater 42, the sheet heater 43, and the sheet heater 44, and the heating temperature is also increased. The planar heater 44 is installed at a position higher than the clearance of the take-up roll 7.

支持基材供給ロール５からコンマコーター１にテープ基材６を供給し、コンマコーター１により粘着剤１１を塗布する。粘着剤１１が塗布されたテープ基材６を乾燥装置２に送り、面状ヒータ４〜４４に摺動して加熱して粘着剤１１に含まれる溶媒を蒸発乾燥する。次いで、引取りロール７により引取り、粘着テープ巻取りロール３に巻取ることにより筒状の粘着テープを得ることができる。蒸発した溶媒はガス吸入口２３から吸引除去する。   The tape substrate 6 is supplied from the supporting substrate supply roll 5 to the comma coater 1, and the adhesive 11 is applied by the comma coater 1. The tape base material 6 coated with the pressure-sensitive adhesive 11 is sent to the drying device 2 and is slid on the sheet heaters 4 to 44 and heated to evaporate and dry the solvent contained in the pressure-sensitive adhesive 11. Next, a cylindrical pressure-sensitive adhesive tape can be obtained by taking it up with the take-up roll 7 and winding it on the pressure-sensitive adhesive tape take-up roll 3. The evaporated solvent is removed by suction from the gas inlet 23.

図２は本発明の粘着テープ製造装置の異なる例を示す模式図である。図中１’は粘着剤１１’を塗布するためのコンマコーターであり、６’は支持基材供給ロール５’に巻回されている離型シートである。９はテープ基材供給ロール８に巻回されているテープ基材である。７は引取りロールであり、粘着剤１１’が塗布乾燥された離型シート６’とテープ基材９を積層するようになされている。３’は粘着テープ巻取りロールであり、引取りロール７で引取り積層された粘着テープを巻取るようになされている。   FIG. 2 is a schematic view showing a different example of the pressure-sensitive adhesive tape production apparatus of the present invention. In the figure, 1 'is a comma coater for applying the pressure-sensitive adhesive 11', and 6 'is a release sheet wound around a supporting substrate supply roll 5'. Reference numeral 9 denotes a tape base material wound around the tape base material supply roll 8. Reference numeral 7 denotes a take-up roll, which laminates the release sheet 6 ′ coated with the adhesive 11 ′ and the tape substrate 9. Reference numeral 3 ′ denotes an adhesive tape take-up roll, which is adapted to take up the adhesive tape taken up and laminated by the take-up roll 7.

２’は箱状の乾燥装置であり、コンマコーター１’側に粘着テープ入口２１’が開口され、引取りロール７’側に粘着テープ出口２２’が開口されている。又、上壁に減圧装置（図示せず）に連結されたガス吸入口２３’が形成されている。   Reference numeral 2 'denotes a box-shaped drying device, in which an adhesive tape inlet 21' is opened on the comma coater 1 'side, and an adhesive tape outlet 22' is opened on the take-up roll 7 'side. A gas suction port 23 'connected to a decompression device (not shown) is formed on the upper wall.

粘着テープ入口２１’から粘着テープ出口２２’にかけて上側が凸になされた太鼓状の面状ヒータ４’設置されている。面状ヒータ４’の粘着テープ入口２１’側はコンマコーター１’のテープ基材６’の供給位置（コンマコーター１’の２本のロールのクリアランス位置）より高くなされており、粘着テープ出口２２’側は引取りロール７’のクリアランスより高い位置に設置されている。又、面状ヒータ４’の温度は粘着テープ入口２１’側から粘着テープ出口２２’にかけて次第に高くなされている。   A drum-shaped planar heater 4 ′ having a convex upper side is provided from the adhesive tape inlet 21 ′ to the adhesive tape outlet 22 ′. The adhesive tape inlet 21 ′ side of the sheet heater 4 ′ is higher than the supply position of the tape base 6 ′ of the comma coater 1 ′ (clearance position of the two rolls of the comma coater 1 ′), and the adhesive tape outlet 22. The 'side is installed at a position higher than the clearance of the take-up roll 7'. Further, the temperature of the planar heater 4 'is gradually increased from the adhesive tape inlet 21' side to the adhesive tape outlet 22 '.

支持基材供給ロール５’からコンマコーター１’に離型シート６’を供給し、コンマコーター１’により粘着剤１１’を塗布する。粘着剤１１’が塗布された離型シート６’を乾燥装置２’に送り、面状ヒータ４’に摺動して加熱して粘着剤１１’に含まれる溶媒を乾燥除去する。次いで、引取りロール７’により引取り、テープ基材９と積層し、粘着テープ巻取りロール３に巻取ることにより、粘着剤１１’がテープ基材９に転写され、テープ基材９、粘着剤１１’及び離型シート６’が積層された筒状の粘着テープを得ることができる。   The release sheet 6 ′ is supplied from the support base material supply roll 5 ′ to the comma coater 1 ′, and the adhesive 11 ′ is applied by the comma coater 1 ′. The release sheet 6 ′ coated with the adhesive 11 ′ is sent to the drying device 2 ′, and is slid and heated on the planar heater 4 ′ to remove and remove the solvent contained in the adhesive 11 ′. Next, it is taken up by the take-up roll 7 ′, laminated with the tape base material 9, and wound up on the pressure-sensitive adhesive tape take-up roll 3, whereby the pressure-sensitive adhesive 11 ′ is transferred to the tape base material 9, A cylindrical pressure-sensitive adhesive tape in which the agent 11 ′ and the release sheet 6 ′ are laminated can be obtained.

本発明の粘着テープ製造装置は少量多品種の粘着テープを好適に製造することができる。又、テープ医薬をクリーンな状態で容易に製造することができる。 The pressure-sensitive adhesive tape production apparatus of the present invention can suitably produce a small amount of various types of pressure-sensitive adhesive tapes. In addition, the tape medicine can be easily manufactured in a clean state.

Claims (4)

粘着剤塗布装置、乾燥装置及び粘着テープ引取り機よりなり、乾燥装置は箱状であって、粘着剤塗布装置側に粘着テープ入口、粘着テープ巻取り機側に粘着テープ出口、側壁にガス吸入口が形成されていると共に内部に、それ自体が発熱する面状ヒータが設置されており、前記面状ヒータの上方にエアドライヤー型乾燥機を有せず、粘着剤塗布装置により粘着剤を支持基材に塗布し、乾燥装置に供給して粘着テープ引取り機により引取る際に、粘着テープを面状ヒータ面上を摺動させて加熱乾燥するようになされており、前記面状ヒータの表面が金属板からなり、前記面状ヒータが、粘着テープ入口側から粘着テープ出口側に向って複数の面状ヒータに分割されており、面状ヒータの温度が、粘着テープ入口側から粘着テープ出口側に向かって順次高温とされていることを特徴とする粘着テープ製造装置。 It consists of an adhesive applicator, a drying device, and an adhesive tape take-up machine. The drying device is box-shaped, with an adhesive tape inlet on the adhesive applicator side, an adhesive tape outlet on the adhesive tape winder side, and gas suction on the side wall. There is a mouth formed and a sheet heater that generates heat is installed inside. There is no air dryer type dryer above the sheet heater, and the pressure sensitive adhesive is supported by the pressure application device. When the adhesive tape is applied to the substrate, supplied to the drying device and taken out by the adhesive tape take-off machine, the adhesive tape is slid on the surface heater surface and dried by heating . The surface is made of a metal plate, and the planar heater is divided into a plurality of planar heaters from the adhesive tape inlet side to the adhesive tape outlet side, and the temperature of the planar heater is changed from the adhesive tape inlet side to the adhesive tape. Towards the exit Adhesive tape manufacturing apparatus characterized by being sequentially hot. 面状ヒータが、粘着テープ入口側から粘着テープ出口側に次第に高くなるように設置されていることを特徴とする請求項１記載の粘着テープ製造装置。   2. The adhesive tape manufacturing apparatus according to claim 1, wherein the planar heater is installed so as to gradually increase from the adhesive tape inlet side to the adhesive tape outlet side. 面状ヒータが、上側が凸になるように太鼓状に設置されていることを特徴とする請求項１記載の粘着テープ製造装置。   The pressure-sensitive adhesive tape manufacturing apparatus according to claim 1, wherein the planar heater is installed in a drum shape so that the upper side is convex. 粘着テープの供給高さより粘着テープ入口側の面状ヒータの高さが高く、且つ、粘着テープの引取り高さより粘着テープ出口側の面状ヒータの高さが高くなされていることを特徴とする請求項１記載の粘着テープ製造装置。   The height of the planar heater on the adhesive tape inlet side is higher than the supply height of the adhesive tape, and the height of the planar heater on the adhesive tape outlet side is higher than the take-up height of the adhesive tape. The adhesive tape manufacturing apparatus according to claim 1.
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