JPS6328972A - Method for bonding nonwoven fabric - Google Patents
Method for bonding nonwoven fabricInfo
- Publication number
- JPS6328972A JPS6328972A JP17243686A JP17243686A JPS6328972A JP S6328972 A JPS6328972 A JP S6328972A JP 17243686 A JP17243686 A JP 17243686A JP 17243686 A JP17243686 A JP 17243686A JP S6328972 A JPS6328972 A JP S6328972A
- Authority
- JP
- Japan
- Prior art keywords
- nonwoven fabric
- tear
- nonwoven fabrics
- welded
- bonding nonwoven
- 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
- 239000004745 nonwoven fabric Substances 0.000 title claims description 17
- 238000000034 method Methods 0.000 title claims description 10
- 238000003466 welding Methods 0.000 claims description 4
- 238000009751 slip forming Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
Landscapes
- Treatment Of Fiber Materials (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
産業上の利用分野
この発明は不織布の接合方法に関し、ことに目付量が5
0g/ n(以下の薄手の不織布を融着接合するための
方法に関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a method for joining non-woven fabrics, particularly when the basis weight is 5.
0g/n (Relates to a method for fusion bonding the following thin non-woven fabrics.
従来技術
不織布の接合は通常、重ね合わせた不織布をバンドシー
ル、連続シール、高周波溶着、超音波溶着等により融着
することにより行われ、重合部分に細い帯状の融着部が
連続的に形成されるようになっているが、不織布によっ
ては、例えば農業用の不織布のように目付量が50g/
m以下の薄手の不織布では接合部での引裂強度が弱く
破れ易い難点があった。すなわち接合部の一端から接合
部に沿って引裂こうとしたとき当初は比較的強い力を要
しても一旦引裂かれ始めたのちは引裂当初より弱い力で
比較的簡単に破れていく難点があった。Conventional technology The joining of nonwoven fabrics is usually performed by fusing the overlapped nonwoven fabrics by band sealing, continuous sealing, high frequency welding, ultrasonic welding, etc., and a thin band-shaped fused part is continuously formed at the overlapped part. However, some nonwoven fabrics, such as agricultural nonwoven fabrics, have a basis weight of 50g/
Thin nonwoven fabrics with a thickness of less than m have a weak tear strength at joints and are easily torn. In other words, when trying to tear the joint from one end along the joint, a relatively strong force may be required at the beginning, but once the joint begins to tear, it will tear relatively easily with a weaker force than at the beginning of the tear. Ta.
発明が解決しようとする問題点
この発明は接合部での引裂強度が強く、上記のような薄
手の不織布でも容易には引裂き難い不織布の接合方法を
提供しようとするものである。Problems to be Solved by the Invention The present invention aims to provide a method for joining nonwoven fabrics that have a strong tear strength at the joint and are difficult to tear even if they are thin nonwoven fabrics such as those described above.
問題点を解決するための手段
本発明はそのため重合部に沿って溶着部を不連続に形成
させるようにしたことを特徴とするものである。Means for Solving the Problems The present invention is therefore characterized in that the welded portion is formed discontinuously along the overlapping portion.
ここで溶着部の形態は、点状のもの、曲線若くは直線状
のもの、その他任意の形状のものとすることができ、こ
れら一種乃至複数種の組合せがその大きさ、長さ或いは
形状を一定にし、または変化させて重合部に沿い各溶着
部がくっつかないよう互いに独立して形成される。各溶
着部はまた各間隔が一定であっても一定でなくてもよい
、いづれにしても好ましくは側方よりみて各溶着部はそ
の一部が重なり合うように形成される。そのために溶着
部は曲線若くは直線状のような細長い形態にされる。上
述するように各溶着部の一部を重なり合うように形成す
ることにより溶着部が連続的に形成される従来法による
ものと同様の比較的強い引張り強度を有するようになる
。Here, the shape of the welded part can be dotted, curved or straight, or any other shape, and one or more combinations of these can determine the size, length, or shape of the welded part. The welds are formed independently from each other along the overlapping part so that the welds do not stick together, either by being constant or by changing the welds. The distance between the welded portions may or may not be constant, and in any case, the welded portions are preferably formed so that a portion thereof overlaps when viewed from the side. For this purpose, the welded portion is formed into an elongated shape, such as a curved line or a straight line. By forming the welds so as to partially overlap each other as described above, the welds have a relatively high tensile strength similar to that of the conventional method in which the welds are continuously formed.
実施例
第1図は傾斜した一定長さの溶着部1を一定間隔毎に平
行に形成することによって不織布2を接合した例を示す
もので、各溶着部1は側方よりみてその一部が重なり合
うように形成されている。Embodiment Figure 1 shows an example in which nonwoven fabrics 2 are joined by forming inclined welded parts 1 of a constant length in parallel at regular intervals. They are formed so that they overlap.
第2図は溶着部を波状に形成した例を示すものである。FIG. 2 shows an example in which the welded portion is formed in a wave shape.
以下に示す表は第1図に示す接合不織布(実施例)と細
い帯状の融着部が連続的に形成される不織布(比較例)
との引張り最高部jt (Kg15cm巾)及び引張り
破壊エネルギー(Kg−am)を測定した結果を示すも
のである。The table below shows the bonded nonwoven fabric shown in Figure 1 (example) and the nonwoven fabric in which thin strip-shaped fused parts are continuously formed (comparative example).
This shows the results of measuring the highest tensile part jt (Kg 15 cm width) and tensile fracture energy (Kg-am).
なお上記試験において、引張り最高荷重はJISL10
85の方法に準じ、5cmxlOcmのテスト片を引張
りスピード300m/winの速度で測定したものであ
り(第3図参照)、引張り破壊エネルギーは第4図に示
すように、7cmxLOcmのテスト片の各−半をチャ
ックで掴み、引張りスピード100mm/sinの速度
で測定したものである。In the above test, the maximum tensile load was JISL10.
85, a test piece of 5 cm x LO cm was measured at a tensile speed of 300 m/win (see Figure 3), and the tensile fracture energy was measured as shown in Figure 4 for each of the test pieces of 7 cm x LO cm. The half was gripped with a chuck and measured at a pulling speed of 100 mm/sin.
上記測定結果から明らかであるように、本実施例の接合
方法によれば、引張り強度が損なわれることなく、引裂
強度を示すパラメーターの一種である引張り破壊エネル
ギーが従来品の3倍以上の値を示すことがわかる。As is clear from the above measurement results, according to the joining method of this example, the tensile fracture energy, which is a type of parameter indicating tear strength, is more than three times that of the conventional product without compromising the tensile strength. I understand what is shown.
発明の効果
本発明方法によって接合された不織布は以上のように、
重合部に沿って溶着部が不連続に形成されているので、
上記の実施例の測定結果からも裏付けられることである
が、接合部の一方から引裂こうとすると、溶着部が途切
れる都度、引裂当初と同様比較的強い力を加えねばなら
なくなり、したがって引裂強度が強くなり引裂にく\な
る。Effects of the Invention The nonwoven fabric bonded by the method of the present invention has the following effects as described above.
Since the welded part is discontinuously formed along the overlapping part,
This is also supported by the measurement results of the above examples, but if you try to tear the joint from one side, each time the weld breaks, you will have to apply a relatively strong force just as you did at the beginning of the tear, and therefore the tear strength will decrease. It becomes stronger and less likely to tear.
第1図は本発明方法で接合された不織布の要部斜視図、
第2図は別の態様の要部平面図、第3及び4図は引張り
最高荷重及び引張り破壊エネルギーの測定方法をそれぞ
れ示す図であるゆ1・・溶着部 2・・不織布
出願人 三井石油化学工業株式会社
代理人 弁理士 佐 藝 晃 −
■
第3W!J
↑
第4mFIG. 1 is a perspective view of the main parts of a nonwoven fabric joined by the method of the present invention;
Fig. 2 is a plan view of the main part of another embodiment, and Figs. 3 and 4 are diagrams showing the method of measuring the maximum tensile load and tensile fracture energy, respectively. Kogyo Co., Ltd. Agent Patent Attorney Akira Sagi - ■ 3rd W! J ↑ 4th m
Claims (2)
布の溶着接合方法(1) A method for welding and joining nonwoven fabrics characterized by forming welded parts discontinuously
うように形成される特許請求の範囲第1項記載の不織布
の溶着接合方法(2) The method for welding and joining nonwoven fabrics according to claim 1, wherein each welded portion is formed so that a portion thereof overlaps when viewed from the side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17243686A JPS6328972A (en) | 1986-07-21 | 1986-07-21 | Method for bonding nonwoven fabric |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17243686A JPS6328972A (en) | 1986-07-21 | 1986-07-21 | Method for bonding nonwoven fabric |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6328972A true JPS6328972A (en) | 1988-02-06 |
Family
ID=15941945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17243686A Pending JPS6328972A (en) | 1986-07-21 | 1986-07-21 | Method for bonding nonwoven fabric |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6328972A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016010037A1 (en) * | 2014-07-16 | 2016-01-21 | 立川ブラインド工業株式会社 | Pleat screen |
-
1986
- 1986-07-21 JP JP17243686A patent/JPS6328972A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016010037A1 (en) * | 2014-07-16 | 2016-01-21 | 立川ブラインド工業株式会社 | Pleat screen |
JP2016023422A (en) * | 2014-07-16 | 2016-02-08 | 立川ブラインド工業株式会社 | Pleated screen |
TWI675961B (en) * | 2014-07-16 | 2019-11-01 | 日商立川窗飾工業股份有限公司 | Pleated curtain |
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