JPS5813223B2 - Adhesion method using hot melt - Google Patents
Adhesion method using hot meltInfo
- Publication number
- JPS5813223B2 JPS5813223B2 JP3216378A JP3216378A JPS5813223B2 JP S5813223 B2 JPS5813223 B2 JP S5813223B2 JP 3216378 A JP3216378 A JP 3216378A JP 3216378 A JP3216378 A JP 3216378A JP S5813223 B2 JPS5813223 B2 JP S5813223B2
- Authority
- JP
- Japan
- Prior art keywords
- hot melt
- nozzle
- applicator
- adhesion method
- adherend
- 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
Links
- 239000012943 hotmelt Substances 0.000 title claims description 23
- 238000000034 method Methods 0.000 title claims description 9
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007757 hot melt coating Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
- Coating Apparatus (AREA)
Description
【発明の詳細な説明】
本発明はホットメルトによる接着方法に関するもので、
被着体へのホットメルト塗布面がノズル（噴出口）を内
在したへら又はこての如き板状の平面であり、更にノズ
ルへのホットメルトの供給をバルブ開閉により調整する
機構をも備えたホットメルト塗布装置を用いた接着方法
で、被着体のいずれか一方がたわむことが出来る広い接
着面積の瞬間接着加工に適した接着方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a hot melt bonding method,
The surface on which the hot melt is applied to the adherend is a plate-like flat surface resembling a spatula or trowel that contains a nozzle (spray port), and is also equipped with a mechanism to adjust the supply of hot melt to the nozzle by opening and closing a valve. The present invention relates to a bonding method using a hot melt applicator, which is suitable for instant bonding of a wide bonding area in which either one of the adherends can bend.
従来より市販されているホットメルト塗布方法としては
、ホットメルトのタンク内に塗布ユニット（ロールコー
ターの如きもの）が内在された装置を使用しているため
、塗布面積を広くしたいときにはホットメルトのタンク
及び塗布ユニットが大きくなり、従ってタンク内に滞留
するホットメルトの量が多く、かつ滞留時間が長くなる
ので老化現像が進み易く、更に溶融状態を保つのに大量
の熱量を要するなどの問題があり、事実上この方法によ
る広い接着面積を要する接着加工は不可能な状態にあっ
た。Traditionally, commercially available hot melt coating methods use equipment in which a coating unit (such as a roll coater) is built into a hot melt tank. Also, the coating unit becomes larger, and therefore the amount of hot melt that remains in the tank is large, and the residence time becomes longer, which causes aging development to proceed more easily, and furthermore, there are problems such as a large amount of heat is required to maintain the melted state. In fact, it has been impossible to perform adhesive processing using this method, which requires a large adhesive area.
本発明者らは従来の方法とは全く異なるホットメルト塗
布装置を発明して広い接着面積のホットメルトによる接
着加工を容易にした。The present inventors invented a hot-melt coating device that is completely different from conventional methods to facilitate hot-melt bonding over a wide bonding area.
次に本発明による接着方法を図によって説明する。Next, the bonding method according to the present invention will be explained with reference to the drawings.
図面は本発明の１実施例を示すもので、第１図は機構図
、第２図は塗布体の縦断面図、第３図は塗布体の平面図
を示す。The drawings show one embodiment of the present invention; FIG. 1 is a mechanical diagram, FIG. 2 is a longitudinal sectional view of the applicator, and FIG. 3 is a plan view of the applicator.
加熱装置を内蔵したエクストルダーの如きホットメルト
押出し機３でホットメルト５を溶融して開閉バルブ６で
必要時と必要供給量を調整して塗布体７に押し出してく
る。A hot melt extruder 3 such as an extruder with a built-in heating device melts the hot melt 5 and extrudes it onto a coating body 7 by adjusting the required time and required supply amount using an on-off valve 6.
塗布体７は金属製の板状平面体で内部に押し出し機３に
通じる主ノズル４と主ノズル４から塗布面に枝分れして
流出口となるノズル４′，４″，４″′・・・を内蔵し
ている。The applicator body 7 is a metal plate-like flat body that includes a main nozzle 4 that communicates with the extruder 3 and nozzles 4', 4'', 4''' that branch from the main nozzle 4 to the coating surface and serve as outflow ports. It has a built-in...
塗布体７の厚さは３〜１０ｍｍで各ノズル４，４′，４
″，４″′・・・の口径は２〜５ｍｍが適当であるが、
板状平面体の大きさ及び流出口となるノズル４′，４″
，４″′・・・の数は接着剤塗布幅により任意に決定さ
れる。The thickness of the coating body 7 is 3 to 10 mm, and each nozzle 4, 4', 4
″, 4″′... The appropriate diameter is 2 to 5 mm,
Size of the plate-shaped flat body and nozzles 4', 4'' serving as the outlet
, 4''', . . . are arbitrarily determined depending on the adhesive application width.
他方、被着体１２は手動又はチェンコンベア等で同じ速
度で送られてくるが、固定されている塗布体７を狭む間
に被着体１の表面にノズル４′，４″，４″′・・・よ
り流出してくるホットメルト５が塗布され、被着体１の
進行方向に線状の塗布面を形成して圧縮ロール８，９に
て圧着しながら輸送する間にホットメルトは冷却固化し
接着作業を終了する。On the other hand, the adherend 12 is fed at the same speed manually or by a chain conveyor, etc., and while the fixed application body 7 is being narrowed, nozzles 4', 4'', 4'' are applied to the surface of the adherend 1. '...The hot melt 5 flowing out is coated, forming a linear coated surface in the traveling direction of the adherend 1, and being compressed by compression rolls 8 and 9 while being transported. Cool and solidify to complete the adhesion work.
本発明の特徴及び効果としては第１に被着体へのホット
メルト塗布面がノズルを内在した板状の平面にセットし
たことであり、塗布巾が広い接着面の物から狭い物まで
自由に選択出来ことである。The first feature and effect of the present invention is that the surface to which the hot melt is applied to the adherend is set as a plate-like flat surface with a nozzle inside, and the application width can be freely applied from wide adhesive surfaces to narrow adhesive surfaces. It is a choice.
第２にノズルへのホットメルトの供給をバルブ開閉によ
り調整する機能を備えたことであり、必要時及び必要量
を自由に調整出来る様にしたことである。Second, it is equipped with a function to adjust the supply of hot melt to the nozzle by opening and closing a valve, so that it is possible to freely adjust when and how much is needed.
第３にホットメルトの供給をエクストルダーで押し出す
ことにより、常に新鮮なホットメルトを供給することが
でき、ホットメルトの溶融を小体積の溶融タンク及びノ
ズル部のみで省エネルギー化したことにある。Thirdly, by extruding the supply of hot melt with an extruder, fresh hot melt can always be supplied, and the melting of the hot melt can be performed using only a small volume melting tank and a nozzle part, which saves energy.
またバルブの開放タイミングを被着体の長さより狭い範
囲に設定すれば部分塗布接着も可能である。In addition, partial coating adhesion is also possible by setting the valve opening timing to a range narrower than the length of the adherend.
さらにエクストルダー１台でノズルとバルブを２セット
設けることにより、同時に２個所の接着作業も可能であ
る。Furthermore, by providing two sets of nozzles and valves with one extruder, it is possible to bond two places at the same time.
従って本発明により無公害で瞬間接着力が得られる利点
を有するホットメルトによる接着加工をその特性を損う
ことなく、従来不可能であった広い或いは長い接着面積
の基材の水平接着加工を容易にし、後工程の自動化も計
り易いので作業能率の向上に大きく寄与する。Therefore, according to the present invention, it is possible to easily horizontally bond substrates with a wide or long bonding area, which was previously impossible, without impairing the properties of the hot melt bonding process, which has the advantage of being pollution-free and providing instant adhesive strength. It also makes it easy to automate post-processes, which greatly contributes to improving work efficiency.
図面は本発明の１実施例を示すもので、第１図は機構図
、第２図は塗布体の縦断面図、第３図は塗布体の平面図
を示す。
１，２・・・・・・被着体、３・・・・・・ホットメル
ト押出し機、４・・・・・・押出し機に通じるノズル、
４，４，４・・・・・・流出口となるノズル、５・・・
・・・ホットメルトタンク、６・・・・・・開閉バルブ
、７・・・・・・塗布体、８，９・・・・・・圧縮ロー
ル。The drawings show one embodiment of the present invention; FIG. 1 is a mechanical diagram, FIG. 2 is a longitudinal sectional view of the applicator, and FIG. 3 is a plan view of the applicator. 1, 2...Adherend, 3...Hot melt extruder, 4...Nozzle leading to the extruder,
4, 4, 4...Nozzle serving as an outlet, 5...
... Hot melt tank, 6 ... Opening/closing valve, 7 ... Application body, 8, 9 ... Compression roll.
Claims (1)
ルを内蔵した板状平面の塗布体であり、ノズルへのホッ
トメルトの供給をバルブ開閉により調整する機能を備え
ているホットメルト塗布装置を用いることを特徴とする
ホットメルトによる接着方法。1. A hot melt applicator that is a plate-like flat applicator with a built-in nozzle whose hot melt application surface to the adherend serves as an outlet, and has a function to adjust the supply of hot melt to the nozzle by opening and closing a valve. A hot melt adhesion method characterized by using.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3216378A JPS5813223B2 (en) | 1978-03-20 | 1978-03-20 | Adhesion method using hot melt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3216378A JPS5813223B2 (en) | 1978-03-20 | 1978-03-20 | Adhesion method using hot melt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54124038A JPS54124038A (en) | 1979-09-26 |
| JPS5813223B2 true JPS5813223B2 (en) | 1983-03-12 |
Family
ID=12351262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3216378A Expired JPS5813223B2 (en) | 1978-03-20 | 1978-03-20 | Adhesion method using hot melt |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5813223B2 (en) |
-
1978
- 1978-03-20 JP JP3216378A patent/JPS5813223B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54124038A (en) | 1979-09-26 |
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