JPH0459340A - Weld bonding method - Google Patents
Weld bonding methodInfo
- Publication number
- JPH0459340A JPH0459340A JP2172904A JP17290490A JPH0459340A JP H0459340 A JPH0459340 A JP H0459340A JP 2172904 A JP2172904 A JP 2172904A JP 17290490 A JP17290490 A JP 17290490A JP H0459340 A JPH0459340 A JP H0459340A
- Authority
- JP
- Japan
- Prior art keywords
- thermoplastic resin
- resin layer
- adherend
- base material
- pressing
- 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 20
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000000853 adhesive Substances 0.000 abstract description 7
- 230000001070 adhesive effect Effects 0.000 abstract description 7
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 abstract description 4
- 229920005989 resin Polymers 0.000 abstract description 4
- 239000011347 resin Substances 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 9
- 239000004677 Nylon Substances 0.000 description 2
- 230000001464 adherent effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
Landscapes
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明はウェルド接着方法に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to a weld bonding method.
［従来の技術］
従来より、たとえば自動車ドアトリムにフック・ループ
型ファスナーの一方を取付けるばあいなどにおいては、
第５図に示されるように、裏基材囚のうえにすくなくと
も塩化ビニル樹脂製表皮などの熱可塑性樹脂層ｒ２１）
が形成されたドアトリムに前記ファスナーなどの被着体
のを配置し、ウェルダ電極のを用いて被着体のを熱可塑
性樹脂層（２１）および裏基材■に向かって押圧しつつ
それらを加熱し、被着体のを接着するウェルド接着方法
が用いられている。[Prior Art] Conventionally, for example, when attaching one side of a hook-and-loop fastener to an automobile door trim,
As shown in FIG. 5, on the back base material there is at least a thermoplastic resin layer (r21) such as a vinyl chloride resin skin.
Place the adherend such as the fastener on the door trim on which has been formed, and heat the adherend while pressing it toward the thermoplastic resin layer (21) and the backing material ■ using the welder electrode. However, a weld bonding method is used to bond the adherend.
なお、図示されていないが、裏基材■側には裏基材■を
支持する電極が配置されており、両電極間に高周波電界
が印加されることにより、前記熱可塑性樹脂層五などが
誘電加熱される。Although not shown, an electrode supporting the back base material (■) is arranged on the back base material (■) side, and by applying a high frequency electric field between the two electrodes, the thermoplastic resin layer 5 etc. Dielectrically heated.
第４図は従来の前記ウェルド接着方法に用いられるウェ
ルダ電極のの押圧面形状を示す平面図であり、被着体の
周囲形状などにあわせて輪郭線状のベルト状の抑圧面形
状とされている。FIG. 4 is a plan view showing the shape of the pressing surface of the welder electrode used in the conventional weld bonding method, and the shape of the pressing surface is contoured and belt-like to match the peripheral shape of the adherend. There is.
しかしながら、このようなウェルダ電極のを用いて接着
を行ったばあいには、第５図に示されるように、ウェル
ダ電極の直下のウェルド部において軟化または溶融した
熱可塑性樹脂層Ｃ２１１が両側に押１７やられ、裏基材
■と被着体のとのあいだに接着剤として作用する熱可塑
性樹脂層刀がほとんど介在しなくなり、接着強度が不充
分になりやすいという問題がある。However, when bonding is performed using such a welder electrode, as shown in FIG. 17, there is almost no thermoplastic resin layer acting as an adhesive between the backing material (1) and the adherend, resulting in a problem that the adhesive strength tends to be insufficient.
［発明が解決しようとする課題］
本発明は溶着強度が高く、剥離しにくいウェルド接着方
法を提供することを目的とする。[Problems to be Solved by the Invention] An object of the present invention is to provide a weld bonding method that has high welding strength and is difficult to peel off.
［課題を解決するための手段］
本発明は裏基材のうえにすくなくとも熱可塑性樹脂層を
はさんで被着体を配置し、ウェルダ電極を用いて被着体
を熱可塑性樹脂層および裏基材に向かって押圧しつつそ
れらを加熱し、被着体を接着する方法であって、前記ウ
ェルダ電極が押圧面に溝を有するウェルド接着方法に関
する。[Means for Solving the Problems] The present invention involves arranging an adherend on a backing substrate with at least a thermoplastic resin layer sandwiched therebetween, and using a welder electrode to connect the adherend to the thermoplastic resin layer and the backing substrate. The present invention relates to a method for bonding adherends by heating materials while pressing them, the weld bonding method having the welder electrode having grooves on the pressing surface.
［作 用］
本発明の方法においては、ウェルダ電極が押圧面に溝を
有しているので、溶着時に抑圧部と隣接する抑圧部との
あいだに相対的に小さな押圧力が作用する弱押圧部が生
じ、弱押圧部の直下では完全に溶融しないまでもある程
度軟化した熱可塑性樹脂層が保持され、また、ウェルダ
電極歯下の軟化または溶融した熱可塑性樹脂層は前記弱
押圧部直下部分によって移動が拘束されるので、弱押圧
部のみならず押圧部の直下の溶融した熱可塑性樹脂層も
横方向に押しやられにくくなり、裏基材と被着体とのあ
いだに熱可塑性樹脂層が確保され、したがって接着が確
保される。[Function] In the method of the present invention, since the welding electrode has a groove on the pressing surface, a weak pressing portion is created in which a relatively small pressing force acts between a pressing portion and an adjacent pressing portion during welding. occurs, and a thermoplastic resin layer that is softened to some extent is retained directly under the weakly pressed part, even if it is not completely melted, and the softened or melted thermoplastic resin layer under the teeth of the welder electrode is moved by the part directly below the weakly pressed part. is restrained, so not only the weakly pressed part but also the molten thermoplastic resin layer directly under the pressed part is difficult to be pushed aside in the lateral direction, and the thermoplastic resin layer is secured between the backing material and the adherend. , thus ensuring adhesion.
［実施例コ
つぎに本発明のウェルド接着方法を図面を参照して説明
する。[Example] Next, the weld bonding method of the present invention will be explained with reference to the drawings.
第１図および第２図は本発明のウェルド接着方法に用い
られるウェルダ電極の抑圧面形状の一例および別な例を
それぞれ示す平面図である。FIGS. 1 and 2 are plan views showing one example and another example of the suppressed surface shape of a welder electrode used in the weld bonding method of the present invention, respectively.
第１図に示されるウェルダ電極（１）の押圧面は輪郭線
形状において輪郭線を横断する溝（３）が外周に多数形
成されており、それによって相対的に長さの短い押圧部
（２）が多数形成されている。The pressing surface of the welder electrode (1) shown in FIG. ) are formed in large numbers.
この抑圧面は、たとえば輪郭線の長辺長さが３０〜４０
關、短辺長さが１５〜２０關、輪郭線横断方向の押圧部
幅が３〜３，５酊、溝幅が１〜２ｍｍといった寸法を有
する。For example, the length of the long side of the contour line of this suppression surface is 30 to 40.
The length of the short side is 15 to 20 mm, the width of the pressing part in the transverse direction of the contour line is 3 to 3.5 mm, and the groove width is 1 to 2 mm.
第２図に示されるウェルダ電極（５）の抑圧面は輪郭線
に沿った周方向の溝（７）が外周押圧部（６）と内周押
圧部（８）とにはさまれるように形成されている。The suppressing surface of the welder electrode (5) shown in FIG. 2 is formed so that a circumferential groove (7) along the contour line is sandwiched between the outer circumferential pressing part (6) and the inner circumferential pressing part (8). has been done.
この押圧面は、たとえば輪郭線の長辺長さが８０〜４０
＋ｉ＋ｓ、短辺長さが１５〜３０＋ｎ、外周および内周
の押圧部幅が１〜２ｍｍ１溝幅が１〜２關といった寸法
を有する。For example, the length of the long side of the contour line of this pressing surface is 80 to 40.
+i+s, the length of the short side is 15 to 30+n, the width of the pressing part on the outer and inner peripheries is 1 to 2 mm, and the width of each groove is 1 to 2 mm.
このようなウェルダ電極を用いた本発明のウェルド接着
方法を第３図に示す。The weld adhesion method of the present invention using such a welder electrode is shown in FIG.
第３図において、裏基材００１のうえにすくなくとも塩
化ビニル樹脂製表皮などの熱可塑性樹脂層０１）が形成
されたドアトリムなどにフック・ループ型ファスナーの
一方などの被着体Ｏ２が配置され、ウェルダ電極（５）
によって被着体０′２Ｊが熱可塑性樹脂層ＯＤおよび裏
基材■に向かって押圧されつつそれら熱可塑性樹脂層（
１？）などが加熱され、被着体０２１が接着される二
その際、２つの押圧部（５ａ）のあいだの弱押圧部（５
ｂ）直下において、完全には溶融しないまでもある程度
軟化した熱可塑性樹脂層（ＩＩ）が保持され、かつ、押
圧部（５ａ）直下の溶融した熱可塑性樹脂層（Ｉｌｌも
横方向に押しやられにくくなり、裏基材（１０）と被着
体０２１のあいだに接着剤として作用する熱可塑性樹脂
層が確保され、高い接着強度かえられる。In FIG. 3, an adherend O2 such as one of the hook-and-loop fasteners is placed on a door trim or the like on which at least a thermoplastic resin layer 01) such as a vinyl chloride resin skin is formed on a back base material 001, Welder electrode (5)
While the adherend 0'2J is pressed toward the thermoplastic resin layer OD and the backing material ■, the thermoplastic resin layer (
1? ) etc. are heated and the adherend 021 is bonded.At that time, the weak pressing part (5a) between the two pressing parts (5a) is heated.
b) Directly below the thermoplastic resin layer (II), which has softened to some extent even if not completely melted, is held, and the molten thermoplastic resin layer (Ill) directly below the pressing part (5a) is also difficult to be pushed laterally. Therefore, a thermoplastic resin layer that acts as an adhesive is secured between the back base material (10) and the adherend 021, and high adhesive strength is achieved.
前記裏基材００）の材料にとくに限定はなく、たとえば
ポリエステル、ナイロンなどを用いることができる。There is no particular limitation on the material of the back base material 00), and for example, polyester, nylon, etc. can be used.
前記被着体ａＺの接着部分の材料にもとくに限定はなく
、たとえばポリエステル、ナイロンなどからなるものを
容易にかつ確実にウェルド接着することができる。There is no particular limitation on the material of the adhesive portion of the adherend aZ, and for example, materials made of polyester, nylon, etc. can be easily and reliably welded.
前記熱可塑性樹脂層の具体例としては、塩化ビニル樹脂
、オレフィン系エラストマなどのシート、発泡体などが
あげられる。Specific examples of the thermoplastic resin layer include sheets and foams made of vinyl chloride resin, olefin elastomer, and the like.
ウェルド接着の際の溶着電流および押圧力についてもと
くに限定はなく、用いる材料や接着形状などに応じて適
宜選定１７うるが、たとえば３０３０−５Ｏ／ ｄの溶
着電流およびＯ−５−３ｋｇ／ ｃｄの押圧力が好適に
採用される。なお、前述のごとく、本発明の方法によれ
ばウェルダ電極直下の軟化した熱可塑性樹脂層か横に押
し、やられてなくなってＬ５まうことが防止されるので
、前記溶着電流および押圧力の選定および調整に過度の
注意が要求されるといった不都合も生じない。The welding current and pressing force during weld bonding are not particularly limited and can be selected appropriately depending on the materials used and the bonding shape. A pressing force is preferably employed. As mentioned above, according to the method of the present invention, it is possible to prevent the softened thermoplastic resin layer immediately below the welding electrode from being pushed sideways and being destroyed, resulting in L5. There is no inconvenience that excessive care is required for adjustment.
本発明の方法による溶着力向上効果を調べるために、つ
ぎに示す条件で、第２図に示されるウェルダ電極（本発
明の方法）と第４図に示されるウェルダ電極（従来の方
法）を用いてウェルド接着試験を行った。In order to investigate the effect of improving welding strength by the method of the present invention, welding electrodes shown in Fig. 2 (method of the present invention) and welding electrodes shown in Fig. 4 (conventional method) were used under the conditions shown below. A weld adhesion test was conducted.
裏基材：０，２關厚さ
熱可塑性樹脂層： ＯＪｍｍ厚さ
被着体： ０．５１５ｍ厚さ
電極寸法： ２０ｍｍ Ｘ ３５！ａ１ｍ ｓ抑圧部幅
８３ ｍｍ−＝溝幅１０菖
押圧カニ３ｋｇｆ
溶着電流＝４０閃Ａ／ ｅシ
接着後２４時間において測定した被着体の剥離に要する
力は本発明の方法によるものが１２．８ｋｇ「で、従来
の方法によるものが６．２ｋｇｆであった。Back base material: 0.2mm thickness Thermoplastic resin layer: OJmm thickness Adherent: 0.515m thickness Electrode dimensions: 20mm x 35! a1m s Suppressing part width 83 mm - = Groove width 10 Iris pressure crab 3 kgf Welding current = 40 flash A/e The force required to peel off the adherend measured 24 hours after adhesion was 12. 8kgf, and the one made using the conventional method was 6.2kgf.
［発明の効果コ
本発明のウェルド接着方法によれば、ウニ、ルダ電極押
圧面の溝の直下部に形成される弱押圧部に完全には溶融
１．ない熱可塑性樹脂が保持されることによって、裏基
材と被着体とのあいだから熱可塑性樹脂が排出されてし
まうことが防止されるので、残存する熱可塑性樹脂Ｊこ
よって接着強度が大きく剥ＭＬにくい確実な接着が達成
される。[Effects of the Invention] According to the weld adhesion method of the present invention, the weakly pressed portion formed directly below the groove of the pressing surface of the electrode electrode is completely melted. By retaining the remaining thermoplastic resin, the thermoplastic resin is prevented from being discharged from between the backing material and the adherend, and the remaining thermoplastic resin J greatly reduces the adhesive strength. Reliable adhesion that is resistant to ML is achieved.
第１図は本発明の方法に用いるウェルダ電極の押圧面形
状の一例を示す平面図、第２図は本発明の方法に用いる
ウェルダ電極の押圧面形状の別な例を示す平面図、第３
図は本発明のウェルド接着方法の一例を示す断面図、第
４図は従来より用いられているウェルダ電極の抑圧面形
状を示す平面図、第５図は従来のウェルド接着方法を示
す断面図である。
（図面の主要符号）
（１）、（５）：ウェルダ電極
（３）、（７） 、溝
００）：裏基材
旧）：熱可塑性樹脂層
ＯＺ：被着体
第１回
７２図
第
３図
、１′５FIG. 1 is a plan view showing an example of the shape of the pressing surface of the welder electrode used in the method of the present invention, FIG. 2 is a plan view showing another example of the shape of the pressing surface of the welder electrode used in the method of the present invention, and FIG.
The figure is a cross-sectional view showing an example of the weld bonding method of the present invention, FIG. 4 is a plan view showing the suppressed surface shape of a conventional weld electrode, and FIG. 5 is a cross-sectional view showing the conventional weld bonding method. be. (Main symbols in the drawing) (1), (5): Welder electrode (3), (7), Groove 00): Back base material old): Thermoplastic resin layer OZ: Adherent 1st 72 Figure 3 Figure, 1'5
Claims (1)
んで被着体を配置し、ウェルダ電極を用いて被着体を熱
可塑性樹脂層および裏基材に向かって押圧しつつそれら
を加熱し、被着体を接着する方法であって、前記ウェル
ダ電極が押圧面に溝を有するウェルド接着方法。1 Place the adherend on the back base material with at least the thermoplastic resin layer sandwiched between them, and heat them while pressing the adherend toward the thermoplastic resin layer and the back base material using a welder electrode. . A weld bonding method for bonding adherends, wherein the welder electrode has a groove on its pressing surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2172904A JPH0459340A (en) | 1990-06-29 | 1990-06-29 | Weld bonding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2172904A JPH0459340A (en) | 1990-06-29 | 1990-06-29 | Weld bonding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0459340A true JPH0459340A (en) | 1992-02-26 |
Family
ID=15950499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2172904A Pending JPH0459340A (en) | 1990-06-29 | 1990-06-29 | Weld bonding method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0459340A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100355583B1 (en) * | 2000-07-27 | 2002-10-12 | 장종술 | Paste pvc resin using velcro fastener adhesive method and product |
| JP2021178611A (en) * | 2020-05-15 | 2021-11-18 | 株式会社アイシン | Method for manufacturing air bag, air bag, and vehicle seat apparatus |
-
1990
- 1990-06-29 JP JP2172904A patent/JPH0459340A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100355583B1 (en) * | 2000-07-27 | 2002-10-12 | 장종술 | Paste pvc resin using velcro fastener adhesive method and product |
| JP2021178611A (en) * | 2020-05-15 | 2021-11-18 | 株式会社アイシン | Method for manufacturing air bag, air bag, and vehicle seat apparatus |
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