JP2000065213A - Sealer for overlapping part of plates - Google Patents
Sealer for overlapping part of platesInfo
- Publication number
- JP2000065213A JP2000065213A JP10233704A JP23370498A JP2000065213A JP 2000065213 A JP2000065213 A JP 2000065213A JP 10233704 A JP10233704 A JP 10233704A JP 23370498 A JP23370498 A JP 23370498A JP 2000065213 A JP2000065213 A JP 2000065213A
- Authority
- JP
- Japan
- Prior art keywords
- sealer
- core material
- width
- overlapped
- plates
- 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.)
- Granted
Links
Landscapes
- Body Structure For Vehicles (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、板材の２つの端部
を重ね合わせて接合した、自動車のルーフのような構造
物において前記重ね合わせ部を密封するシーラに関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealer for sealing a superposed portion of a structure, such as a roof of an automobile, in which two end portions of a plate member are overlapped and joined.
【０００２】[0002]
【従来の技術】２枚の板材のそれぞれの端部を重ね合わ
せて接合すると共に、重ね合わせ部に所定の幅で長手方
向へ伸びる凹部を形成し、この凹部に樋の機能を持たせ
る自動車のルーフでは、前記重ね合わせ部を密封するの
にテープ状のシーラを使用することがある（特開平7-21
5140号公報）。2. Description of the Related Art In an automobile, the ends of two plate members are overlapped and joined together, and a concave portion extending in the longitudinal direction with a predetermined width is formed in the overlapped portion, and the concave portion has a gutter function. On the roof, a tape-shaped sealer may be used to seal the overlapping portion (Japanese Patent Laid-Open No. 7-21 / 1995).
No. 5140).
【０００３】[0003]
【発明が解決しようとする課題】特に、加熱溶融タイプ
のシーラの場合、シーラが硬化したとき、重ね合わせ部
のスポット溶接痕に対応するシーラ表面に、又は重ね合
わせた厚みの異なる境界域に対応するシーラ表面に窪み
又は出っ張りが発生し、シーラ表面の平滑性が損なわれ
ることが本発明者らによって確認されている。従って、
特に、乗用車のルーフのように人目に付き易い場合、シ
ーラ表面の平滑性を確保することが意匠的価値の低下を
防ぐ上で重要である。Particularly, in the case of a heat-sealing type sealer, when the sealer is hardened, it corresponds to the surface of the sealer corresponding to the spot welding mark of the overlapping portion or to the boundary region where the overlapping thickness differs. It has been confirmed by the present inventors that dents or bulges occur on the surface of the sealer and the smoothness of the sealer surface is impaired. Therefore,
In particular, when the sealer is easily visible, such as the roof of a passenger car, it is important to ensure the smoothness of the sealer surface in order to prevent a reduction in design value.
【０００４】本発明は、シーラ表面の平滑性を確保でき
る、板材の重ね合わせ部用シーラを提供する。[0004] The present invention provides a sealer for a lap portion of a plate material, which can ensure the smoothness of the surface of the sealer.
【０００５】[0005]
【課題を解決するための手段】本発明は、２枚の板材の
それぞれの端部又は１枚の板材の２つの端部を重ね合わ
せて接合した構造物において前記重ね合わせ部を密封す
るシーラである。このシーラは芯材を埋め込んでテープ
状に形成されている。SUMMARY OF THE INVENTION The present invention is directed to a sealer for sealing the overlapped portion in a structure in which each end of two plates or two ends of one plate are overlapped and joined. is there. The sealer is formed in a tape shape by embedding a core material.
【０００６】好ましい態様では、前記構造物は、前記重
ね合わせ部に所定の幅で長手方向へ伸びる凹部を有し、
前記シーラは前記凹部に嵌る幅に形成される。そして、
前記芯材は前記シーラの幅より小さい幅を有するように
形成される。In a preferred aspect, the structure has a concave portion extending in the longitudinal direction with a predetermined width in the overlapping portion,
The sealer is formed to have a width that fits into the recess. And
The core is formed to have a width smaller than the width of the sealer.
【０００７】[0007]
【作用及び効果】２つの端部の重ね合わせ部にテープ状
のシーラを貼り付け、加熱のような適当な処理を施す
と、テープ状のシーラが重ね合わせ部に密着してシール
機能を発現する。このとき、芯材がシーラ表面の窪みや
出っ張りの発生を防ぐ。When the tape-shaped sealer is attached to the overlapped portion of the two ends and an appropriate treatment such as heating is performed, the tape-shaped sealer comes into close contact with the overlapped portion to exhibit a sealing function. . At this time, the core material prevents dents and protrusions on the surface of the sealer.
【０００８】シーラ表面の窪みや出っ張りは、シーラが
板材の表面の凹凸に添って密着し、凹凸の上方にあるシ
ーラ部分の全体が陥没又は***することに起因して発生
すると考えられるところ、芯材がシーラに埋め込まれて
いるため、芯材の上方にあるシーラ部分の陥没又は***
が芯材によって阻止される。これによって、シーラ表面
に窪みや出っ張りが発生するのを防ぐことができる。The depressions and protrusions on the surface of the sealer are considered to be caused by the fact that the sealer adheres closely to the irregularities on the surface of the plate material and the entire sealer portion above the irregularities is depressed or raised. Since the material is embedded in the sealer, the core material prevents depression or bulging of the sealer portion above the core material. As a result, it is possible to prevent dents and protrusions from occurring on the surface of the sealer.
【０００９】好ましい態様によれば、テープ状のシーラ
が凹部に嵌ることから、シーラを凹部に嵌めるだけでシ
ーラの所定位置への配置ができ、作業性を向上できる。
また、芯材の幅がシーラの幅より小さいため、芯材の下
方に位置する重ね合わせ部へのシーラの供給を芯材に妨
げられることなく十分に行うことができ、小さい厚みの
シーラで密封性を高めることができる。According to the preferred embodiment, since the tape-shaped sealer fits into the concave portion, the sealer can be arranged at a predetermined position only by fitting the sealer into the concave portion, and the workability can be improved.
Also, since the width of the core is smaller than the width of the sealer, the sealer can be sufficiently supplied to the overlapping portion located below the core without being hindered by the core. Can be enhanced.
【００１０】[0010]
【発明の実施の形態】シーラ１０は、分解斜視状態の図
１を参照すると、２枚の板材１２，１４のそれぞれの端
部１３，１５を重ね合わせて接合した構造物１６におい
て、重ね合わせ部１８を密封するものであり、芯材２０
を埋め込んでテープ状に形成されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIG. 1 in an exploded perspective view, a sealer 10 has an overlapping portion in a structure 16 in which ends 13 and 15 of two plates 12 and 14 are overlapped and joined. 18 to seal the core material 20
Embedded in a tape shape.
【００１１】シーラ１０は、エチレン酢酸ビニル共重合
体、ポリプロピレンなどのポリオレフィンか、又はスチ
レン・イソプレン・スチレン共重合体、スチレン・ブタ
ジエン・スチレン共重合体などのブロックドコポリマー
のような熱可塑性エラストマにフェノール、エポキシ又
はアクリルのモノマーのような熱硬化可能物を混合した
タイプの他、ウレタン系の化合物で作ることができる
が、前者であることが好ましい。シーラ１０は押出し機
でテープ状に成形する。The sealer 10 can be made of a polyolefin such as ethylene vinyl acetate copolymer or polypropylene, or a thermoplastic elastomer such as a blocked copolymer such as styrene / isoprene / styrene copolymer or styrene / butadiene / styrene copolymer. In addition to a type in which a thermosetting material such as a phenol, epoxy or acrylic monomer is mixed, a urethane compound can be used, but the former is preferable. The sealer 10 is formed into a tape shape by an extruder.
【００１２】芯材２０は、ガラスクロス、紙、金属板、
プラスチックフィルム、ＦＲＰのような、シーラの陥没
と***とに抵抗する適当な強度と硬さとを有するもので
あり、その厚みは高々１mmとすることができる。芯材２
０は、シーラ１０をテープ状に成形する際、シーラ１０
に埋め込み、表面２２及び底面２３から離した状態とす
る。芯材２０が表面２２に現れていると、振動が加わっ
たときなどに芯材２０の無いわずかな部位に変位が集中
し、シーラ割れを起こしやすくなる。逆に、芯材２０が
底面２３に現れていると、シーラ１０と重ね合わせ部１
８との密着性が悪くなり、シーラ１０による密封性の確
保が難しくなる。The core material 20 is made of glass cloth, paper, metal plate,
It has appropriate strength and hardness to resist depression and bulging of the sealer, such as plastic film and FRP, and its thickness can be at most 1 mm. Core material 2
0 indicates that when the sealer 10 is formed into a tape shape,
And is separated from the front surface 22 and the bottom surface 23. When the core material 20 appears on the surface 22, when a vibration is applied, the displacement is concentrated on a small portion where the core material 20 is not present, and the sealer crack is likely to occur. Conversely, when the core material 20 appears on the bottom surface 23, the sealer 10 and the overlapping portion 1
Thus, the sealability with the sealer 10 becomes difficult.
【００１３】芯材２０は、さらにたわみ可能であること
が好ましい。芯材２０が適当な強度と硬さに加えてたわ
み性がある場合、テープ状に成形したシーラはリールに
巻き取ることができ、巻き取った状態で運搬し、使用す
ることができる。Preferably, the core 20 is further flexible. When the core material 20 has flexibility in addition to appropriate strength and hardness, the tape-shaped sealer can be wound up on a reel, transported in a wound state, and used.
【００１４】構造物１６は、斜視状態の図３に示した実
施例では、乗用車２６のルーフである。ルーフ１６の各
側部において２枚のパネル１２，１４それぞれの端部１
３，１５を重ね合わせてスポット溶接２８をし、端部１
３，１５が接合されている。そして、重ね合わせ部１８
に所定の幅Ｗ1で長手方向Ａへ伸びる凹部３０が設けら
れ、樋となっている。The structure 16 is the roof of a passenger car 26 in the embodiment shown in FIG. The end 1 of each of the two panels 12, 14 on each side of the roof 16
3 and 15 are overlapped with each other to perform spot welding 28, and the end 1
3, 15 are joined. Then, the overlapping portion 18
Recess 30 extending in the longitudinal direction A at a predetermined width W 1 is provided, and has a trough on.
【００１５】一方、シーラ１０は凹部３０に嵌る幅Ｗ2
に形成されており、芯材２０はシーラ１０の幅Ｗ2より
小さい幅Ｗ3を有する。すなわち、Ｗ1＞Ｗ2＞Ｗ3である
が、（Ｗ1−Ｗ2）はシーラ１０が凹部３０に嵌ることが
できる範囲で小さくすることができる。これに対して、
（Ｗ2−Ｗ3）は後述の実験例を参照して適当に定めるこ
とができる。On the other hand, the sealer 10 has a width W 2
The core material 20 has a width W 3 smaller than the width W 2 of the sealer 10. That is, although W 1 > W 2 > W 3 , (W 1 −W 2 ) can be reduced as long as the sealer 10 can fit into the recess 30. On the contrary,
(W 2 −W 3 ) can be appropriately determined with reference to the experimental examples described later.
【００１６】斜視状態の図２に示すように、シーラ１０
を凹部３０内にその長手方向へ配置して貼り付け、例え
ば熱風循環乾燥炉において加熱する。加熱につれ、まず
熱可塑性エラストマが溶融し、次いで熱硬化可能物が反
応硬化し、凹部３０の重ね合わせ部１８を密封する。シ
ーラ１０が硬化しても、芯材２０がシーラ１０に埋め込
まれているため、シーラ１０の表面に窪みや出っ張りは
生じない。As shown in FIG. 2 in a perspective view, the sealer 10
Are arranged in the longitudinal direction in the concave portion 30 and affixed, and are heated in, for example, a circulating hot air drying oven. Upon heating, the thermoplastic elastomer first melts, then the thermoset reacts and cures, sealing the overlap 18 of the recess 30. Even when the sealer 10 cures, since the core material 20 is embedded in the sealer 10, no dent or protrusion occurs on the surface of the sealer 10.
【００１７】斜視状態の図４に示した寸法の構造物３６
を作った。スポット溶接２８のピッチは４０−５０mmで
ある。一方、断面状態の図５に示した寸法のシーラ４
０，４２，４４，４６，４８をテープ状に成形した。シ
ーラ４０は芯材を備えず、シーラ４２，４４，４６，４
８はそれぞれ芯材５０，５２，５４，５６を備えてい
る。各シーラの寸法と、配置は図示のとおりである。芯
材は200μmの厚みのガラスクロスである。The structure 36 having the dimensions shown in FIG.
made. The pitch of the spot welds 28 is 40-50 mm. On the other hand, the sealer 4 having the dimensions shown in FIG.
0, 42, 44, 46 and 48 were formed into a tape shape. The sealer 40 has no core material, and the sealers 42, 44, 46, 4
8 has core materials 50, 52, 54, 56, respectively. The dimensions and arrangement of each sealer are as shown. The core material is a glass cloth having a thickness of 200 μm.
【００１８】シーラを加熱硬化させた後、表面の平滑性
を目視観察し、重ね合わせ部に隣接する目地３８へのシ
ーラの流れ込みの有無を調べてシール性とした。その結
果、シーラ４０では表面平滑性が悪く、シール性が良好
であった。シーラ４２では表面平滑性が良好で、シール
性が悪かった。シーラ４４では表面平滑性が良好で、シ
ール性が悪いと良好との中間であった。シーラ４６では
表面平滑性が悪く、シール性が良好であった。そして、
シーラ４８では表面平滑性が良好で、シール性が良好で
あった。After the sealer was cured by heating, the smoothness of the surface was visually observed, and the presence or absence of the sealer flowing into the joint 38 adjacent to the overlapped portion was checked to determine the sealing property. As a result, the sealer 40 had poor surface smoothness and good sealing performance. The sealer 42 had good surface smoothness and poor sealability. The sealer 44 had good surface smoothness, and was in the middle between good and poor sealing properties. The sealer 46 had poor surface smoothness and good sealing properties. And
Sealer 48 had good surface smoothness and good sealing properties.
【００１９】前記実験結果から、次のことが分かる。す
なわち、表面平滑性は、シーラに芯材を埋め込むことに
よって達成できるが、芯材の幅をシーラの幅より小さく
した場合、芯材の上方にあるシーラの厚みが表面平滑性
に影響を及ぼす。これに対して、シール性は芯材を使用
しないか又は芯材を使用し、その芯材の幅をシーラの幅
より小さくすることによって達成できる。The following can be seen from the above experimental results. That is, the surface smoothness can be achieved by embedding the core material in the sealer. However, when the width of the core material is smaller than the width of the sealer, the thickness of the sealer above the core material affects the surface smoothness. On the other hand, the sealing property can be achieved by using no core material or using a core material and making the width of the core material smaller than the width of the sealer.
【００２０】前記実施例では、構造物は２枚の板材それ
ぞれの端部を重ね合わせて凹部を形成した形態であった
が、本発明は板材の２つの端部の重ね合わせ部の密封性
を確保する必要がある構造物に適用できる。したがっ
て、１枚の板材の２つの端部を重ね合わせた形態の構造
物においても、その重ね合わせ部の密封性を確保する場
合に適用できる。また、構造物によっては凹部を設ける
ことは必ずしも必要ではない。In the above-described embodiment, the structure has a configuration in which the ends of the two plate members are overlapped to form the concave portion. However, the present invention is to improve the sealing performance of the overlapped portion between the two end portions of the plate members. Applicable to structures that need to be secured. Therefore, even in a structure in which two ends of one plate material are overlapped, the structure can be applied to the case where the sealing property of the overlapped portion is ensured. In addition, it is not always necessary to provide the concave portion depending on the structure.
【図１】本発明に係る板材の重ね合わせ部用シーラの実
施例を示す斜視図で、シーラを構造物に配置する前の状
態を示している。FIG. 1 is a perspective view showing an embodiment of a sealer for a lap portion of a plate material according to the present invention, showing a state before the sealer is arranged on a structure.
【図２】図１に示したシーラを構造物に配置した状態の
斜視図である。FIG. 2 is a perspective view showing a state where the sealer shown in FIG. 1 is arranged on a structure.
【図３】本発明に係る板材の重ね合わせ部用シーラを適
用できる構造物を有する自動車の斜視図である。FIG. 3 is a perspective view of an automobile having a structure to which a sealer for a plate material overlapping portion according to the present invention can be applied;
【図４】実験に使用した構造物の斜視図である。FIG. 4 is a perspective view of a structure used in an experiment.
【図５】実験に使用したシーラを示す断面図で、（a）
ないし（e）は異なる寸法のものを示している。FIG. 5 is a cross-sectional view showing a sealer used in the experiment, and FIG.
Or (e) shows different dimensions.
１０，４０，４２，４４，４６，４８ シーラ １２，１４ 板材 １３，１５ 端部 １６，３６ 構造物 １８ 重ね合わせ部 ２０，５０，５２，５４，５６ 芯材 ３０ 凹部 10, 40, 42, 44, 46, 48 Sealer 12, 14 Plate material 13, 15 End portion 16, 36 Structure 18 Overlapping portion 20, 50, 52, 54, 56 Core material 30 Recess
───────────────────────────────────────────────────── フロントページの続き (72)発明者 横内 慶一 愛知県豊田市トヨタ町１番地 トヨタ自動 車株式会社内 (72)発明者 深谷 茂樹 愛知県稲沢市北麻績町沼１番５号 イイダ 産業株式会社内 (72)発明者 宇佐美 尚典 愛知県稲沢市北麻績町沼１番５号 イイダ 産業株式会社内 Ｆターム(参考） 3D003 AA00 AA11 BB01 CA38 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Keiichi Yokouchi 1 Toyota Town, Toyota City, Aichi Prefecture Inside Toyota Automobile Co., Ltd. (72) Inventor Shigeki Fukaya 1-5 Numa Kita-Amamicho, Inazawa City, Aichi Prefecture Iida Industrial Co., Ltd. In-company (72) Inventor Naoki Usami 1-5 Numa, Kita-Ami-cho, Inazawa-shi, Aichi F-term (reference) in Iida Sangyo Co., Ltd. 3D003 AA00 AA11 BB01 CA38
Claims (2)
板材の２つの端部を重ね合わせて接合した構造物におい
て前記重ね合わせ部を密封するシーラであって、芯材を
埋め込んでテープ状に形成された、板材の重ね合わせ部
用シーラ。1. A sealer for sealing an overlapped portion in a structure in which respective ends of two plate members or two end portions of one plate member are overlapped and joined, wherein a core material is embedded. A tape-shaped sealer for overlapping parts of plate materials.
の幅で長手方向へ伸びる凹部を有し、前記シーラは前記
凹部に嵌る幅に形成され、前記芯材は前記シーラの幅よ
り小さい幅を有する、請求項１に記載の板材の重ね合わ
せ部用シーラ。2. The structure has a concave portion extending in the longitudinal direction at a predetermined width in the overlapping portion, the sealer is formed to have a width that fits into the concave portion, and the core is smaller than the width of the sealer. The sealer according to claim 1, which has a width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23370498A JP4157199B2 (en) | 1998-08-20 | 1998-08-20 | Sealer for overlapping parts of plate materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23370498A JP4157199B2 (en) | 1998-08-20 | 1998-08-20 | Sealer for overlapping parts of plate materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000065213A true JP2000065213A (en) | 2000-03-03 |
| JP4157199B2 JP4157199B2 (en) | 2008-09-24 |
Family
ID=16959249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23370498A Expired - Fee Related JP4157199B2 (en) | 1998-08-20 | 1998-08-20 | Sealer for overlapping parts of plate materials |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4157199B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014105837A (en) * | 2012-11-29 | 2014-06-09 | Iida Sangyo Kk | Seal member |
-
1998
- 1998-08-20 JP JP23370498A patent/JP4157199B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014105837A (en) * | 2012-11-29 | 2014-06-09 | Iida Sangyo Kk | Seal member |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4157199B2 (en) | 2008-09-24 |
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