JPS59141620A - Manufacture of water supply and draining material for civil engineering works - Google Patents
Manufacture of water supply and draining material for civil engineering worksInfo
- Publication number
- JPS59141620A JPS59141620A JP1656083A JP1656083A JPS59141620A JP S59141620 A JPS59141620 A JP S59141620A JP 1656083 A JP1656083 A JP 1656083A JP 1656083 A JP1656083 A JP 1656083A JP S59141620 A JPS59141620 A JP S59141620A
- Authority
- JP
- Japan
- Prior art keywords
- water supply
- melting point
- fibers
- draining material
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Laminated Bodies (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は二層以上の積層不織布ウェブの積層面間に長手
方向に通水管を配列せしめニードルパンチングによシ一
体に絡合し、加熱にょ多繊維間相互を溶層せしめる土木
用給排水材の製造方法ＫＭするものである。Detailed Description of the Invention The present invention involves arranging water pipes in the longitudinal direction between the laminated surfaces of a laminated nonwoven fabric web of two or more layers, intertwining them integrally by needle punching, and melting the multi-fibers together by heating. This is a method for manufacturing water supply and drainage materials for civil engineering.
従来、土木工事用の給排水材は、土中に於ける給排水時
に、土との接触面積を最大にするため表面積の広い不織
布の間に管体、チャンネル挾んで２枚の不織布を接４剤
で貼合わせる方法。Conventionally, water supply and drainage materials for civil engineering work have been made by sandwiching a pipe or channel between two nonwoven fabrics with a large surface area and using a bonding agent to maximize the contact area with the soil when supplying and draining water underground. How to paste.
又は上記サンドイッチ構造の不織布積層面に熱可塑性合
成樹脂粉末を散布し、加熱加圧にょシ融着するラミネー
ト法或いは上記サンドイッチ構漬の不織布を糸により縫
製する等の製造方法によシ造られている。Or, it is made by a manufacturing method such as a lamination method in which thermoplastic synthetic resin powder is sprinkled on the laminated surface of the nonwoven fabric in the sandwich structure and fused under heat and pressure, or a manufacturing method in which the nonwoven fabric in the sandwich structure is sewn with thread. There is.
然るに、これらの製造方法で接着剤を貼合せに用いる方
法は繊維間隙に表面凹凸の樹脂膜を形成するため、不城
布給排水材の最大の利点である透水性を阻害し、最終的
に給排水能力をなくしてしまう欠点があり、また、接着
剤を使用する方法は不織布への接着剤塗布、貼合せ工程
の他に乾燥工程を必要とし、設備費、工数がかさみ、製
造コストが割高とｋる欠点がある。However, these manufacturing methods that use adhesives for lamination form a resin film with an uneven surface between the fibers, which impedes water permeability, which is the biggest advantage of fujofu water supply and drainage materials, and ultimately prevents water supply and drainage. In addition, the method using adhesives requires a drying process in addition to the process of applying the adhesive to the nonwoven fabric and laminating it, which increases equipment costs, man-hours, and manufacturing costs. There are some drawbacks.
また、熱可塑性合成樹脂粉末によるラミネート法による
時は、合成樹脂粉末が力Ｈ熱加圧により融着するので、
通水体に目づまシをおこし、透水性が悪くなるという欠
点がある。In addition, when using the lamination method using thermoplastic synthetic resin powder, the synthetic resin powder is fused by heat and pressure.
It has the disadvantage that it clogs the water-permeable body and impairs water permeability.
更に、糸による積層不織布の縫合は、速度が遅く、製品
が非常に割高となシ実用的ではなく、また通水体が取扱
中に抜は易い等の欠点がある。Furthermore, stitching of laminated nonwoven fabrics with threads is impractical as the speed is slow and the product is very expensive, and the water-permeable body is easily removed during handling.
本発明はかかる給排水材の製造方法上の問題点を克服す
べく鋭意検討の結果、製・遣方法簡便にして、低コスト
であシ、且つ製品の強度耐久性がすぐれ透水効果の高い
理想的の給排水材の製造方法を得たものである。As a result of intensive studies to overcome the problems in the manufacturing method of water supply and drainage materials, the present invention has been developed to create an ideal product that is simple to manufacture and use, is low cost, has excellent strength and durability, and has a high water permeability effect. A method for manufacturing water supply and drainage materials has been obtained.
即ち化学繊維に低融点の合成繊維を２０％以上（好まし
くは２０〜５０％）混合して形成した積層不織布ウェブ
を連続的に繰出すと共に、上記不織布ウェブが間に、円
周面に開孔を施した通水管を適宜間隔に配列するように
連続的に繰出して、サンドインチ積層体を形成し、該サ
ンドイッチ積層体にニードルパンチ加工ｔ″施して、超
水管すンドイッチ都を除く、上、下のウェブ構成繊維間
相互を機械的に絡合させた後、加熱処扉により、低融点
合成繊維のみを溶融して不織布ウェブの繊維間相互を一
体に結合すること全特徴とするものである。That is, a laminated nonwoven fabric web formed by mixing chemical fibers with 20% or more (preferably 20 to 50%) of low-melting point synthetic fibers is continuously fed out, and holes are formed on the circumferential surface between the nonwoven fabric webs. The water pipes subjected to this process are continuously fed out so as to be arranged at appropriate intervals to form a sandwich laminated body, and the sandwich laminated body is subjected to a needle punching process T'' to form super water pipes. After the fibers constituting the lower web are mechanically entangled with each other, only the low-melting synthetic fibers are melted using a heat treatment door, and the fibers of the nonwoven web are integrally bonded together. .
以下不発明の１実施例を図面に基づいて説明する。An embodiment of the invention will be described below based on the drawings.
実施例
化学繊維として融点が２５０〜２７０℃の繊度６デニー
ルのポリエステル繊維８０％と、融点が１５０〜１８０
℃、繊度３デニールの低融点ポリエステル繊維２０％と
の混合繊維をカード例にかけてウェブを形成し、ニード
ルパンチ機にかけて仮交絡させた厚み４〜５間、 目付
１００〃−１巾２ｍの不織布ウェッブ１を形成し、第１
図に示す様に、これをロール状に捲取して中間部のエン
ドレスコンベヤ２の上下に配設した工／ドレスコンベヤ
４．５上に夫々Ｍ続的ｒｍｉす。上記中間部のエンドレ
スコンベヤ２上には、円周面に開孔を施した直径５Ｍの
合成樹脂製進水管６を捲回した複数のリールよ）上記通
水管を巾方向に１００門の所定間隔で連続的に繰シ出す
。そして、上記非水管配列エンドレスコンベヤの上、下
の２カ所に位ｔしたエンドレスコンベヤ４．５上よシ夫
々繰用した上記不織布ウニ１１１層間に第２図に示す如
く通水管３が所定間隔で長手方向に配列したサンドイン
チ積層体を形成し、ニードルパンチ機に導入する。ニー
ドルパンチ機の針板６は予め上記通水管、不織布ウェブ
のサンドイッチ積層体の各通水管に対応する部分のフェ
ルト針が除去されておυ、このニードルパンチ機にょク
パンチ数５０ Ｐ／ｃＩＩｔ、打ち込み深さ１２間の条
件にて機械的絡合処理を行った後、第３図に示す構造の
不織布ウェブのラミネート部７のみの繊維’をニードル
によシ上下に絡合せしめ、１９０℃〜２１０℃に加熱し
た赤外線ヒータ又は高周波等の７Ｊ［ｌ熱装置８を超過
せしめ低融点ポリエステル繊維の表面溶融により上記サ
ンドイッチ積層体を一体に溶層して、引張、引裂強度を
向上せしめた製品目付６００１々、厚さ６〜４門の土木
用給排水材９を得た。Example Chemical fibers include 80% polyester fiber with a fineness of 6 denier and a melting point of 250 to 270°C, and a melting point of 150 to 180°C.
℃, a mixed fiber with 20% low melting point polyester fiber with a fineness of 3 denier was carded to form a web, and a nonwoven fabric web 1 with a thickness of 4 to 5 and a fabric weight of 100 and a width of 2 m was formed by passing it through a needle punch machine to temporarily entangle it. form the first
As shown in the figure, this is rolled up into a roll and conveyed continuously on dressing/dressing conveyors 4.5 disposed above and below the endless conveyor 2 in the middle. On the endless conveyor 2 in the middle part, there are a plurality of reels wound with synthetic resin launching tubes 6 having a diameter of 5M with holes in the circumferential surface. Continuously pump out. Water pipes 3 are installed at predetermined intervals as shown in FIG. A longitudinally aligned sandwich stack is formed and introduced into a needle punch machine. The felt needles of the throat plate 6 of the needle punch machine were removed in advance from the portions corresponding to the water pipes and the water pipes of the sandwich laminate of nonwoven fabric webs, and the number of punches of this needle punch machine was 50 P/cIIt. After performing mechanical entanglement treatment at a depth of 12, the fibers of only the laminate portion 7 of the nonwoven web having the structure shown in FIG. The above sandwich laminate is integrally laminated by melting the surface of the low melting point polyester fiber using an infrared heater or high frequency heating device 8 heated to a temperature exceeding 7J[l] to improve tensile and tearing strength.Product basis weight 6001 A civil engineering water supply and drainage material 9 having a thickness of 6 to 4 gates was obtained.
尚、上記不織布ウェブ全構成する化学繊維はポリエステ
ルの他、ポリオレフィン系、ポリアミド糸、ポリビニル
アルコール系、ポリ塩化ビニリデン系、ポリ塩化ビニル
系、レーヨン、アセテート、岩石繊維、ガラス繊維等の
合成繊維、再生、生合成繊維、無機繊維等が用いられる
。In addition to polyester, the chemical fibers that make up the entire nonwoven web include polyolefin, polyamide yarn, polyvinyl alcohol, polyvinylidene chloride, polyvinyl chloride, rayon, acetate, rock fiber, glass fiber, and other synthetic fibers, as well as recycled synthetic fibers. , biosynthetic fibers, inorganic fibers, etc. are used.
本発明は上記構成としたから、従来の接着剤による貼合
せ法に比べ、２枚の不織布ウェブの層間分離が全く生じ
ず完全に一体化し、且つ、低融点合成繊維の融着によシ
層状フィルム化が発生せず、均一な給排水性能を発揮し
うる。又、ニードルパンチの併用により必要強力の５０
％以上の強度全付与することができる。また生産設備も
接着剤による貼合せや縫製法に比べて、特殊な溝付き加
熱ロールや貼合せロール、接層剤を乾燥する長い乾燥機
等の装置を必要とせず、工種簡略化され、生産速度が向
上する。Since the present invention has the above structure, compared to the conventional bonding method using an adhesive, two nonwoven fabric webs are completely integrated without any interlayer separation, and the low melting point synthetic fibers are fused to form a layered structure. Uniform water supply and drainage performance can be achieved without forming a film. In addition, by using a needle punch in combination, the necessary strength of 50
% or more of total strength can be imparted. In addition, compared to bonding or sewing methods using adhesives, production equipment is simplified and production does not require equipment such as special grooved heating rolls, lamination rolls, or long dryers to dry the adhesive. Increases speed.
従って生産コス） ７５Ｅ低減てれ安価で耐久性にすぐ
れた給排水剤を製造することができる等の効果を有する
ものである。Therefore, it has the effect of reducing production cost (75E), making it possible to manufacture a water supply and drainage agent that is inexpensive and has excellent durability.
第１図は本発明の給排水材の製造方法を示す工程概略図
、第２図は同通水管と不織布ウェブの積層状態ヲ示す断
面図、第６図は本発明による給排水材の断面図である。
１・・・不織布ウェブ
２・・・エンドレスコンベヤ
３・・・曲水管
４．５・・・エンドレスコンベヤ
６・・・針板
７・−・不織布ウェブラミネート部
８・・・加熱装置Fig. 1 is a process schematic diagram showing the method for producing the water supply and drainage material of the present invention, Fig. 2 is a sectional view showing the laminated state of the water pipe and the nonwoven web, and Fig. 6 is a sectional view of the water supply and drainage material according to the invention. . 1... Nonwoven fabric web 2... Endless conveyor 3... Bent water pipe 4.5... Endless conveyor 6... Throat plate 7... Nonwoven fabric web laminate section 8... Heating device
Claims (1)
含有せしめた化学縁ａを主体とする不織布ウェブを上下
より連続的に繰出すと共に、上記不織布ウェブ間に、円
周面に開孔を施した通水管を適宜間隔に配列するよう連
続的に繰出して、通水管と不織布ウェブのサンドイッチ
積層体を形成した後、上記通水管に相当する部分のフェ
ルト針を予め除失した針板金有するニードルパンチ機に
導入しニードルパンチ加工を行って上下の不織布ウェブ
の繊維間相互を絡合し、次に赤外線ヒータ又は高周波等
の加熱装置によｐ上記低融点合成繊維のみを溶融して不
織布ウェブの繊維間相互を一体に接着することを特徴と
する土木用給排水材の製造方法。A nonwoven fabric web mainly composed of chemical fibers a containing 20% or more of low melting point synthetic fibers a with a melting point of 150 to 180°C is continuously fed out from above and below, and holes are formed on the circumferential surface between the nonwoven fabric webs. After the water pipes subjected to the above-mentioned water pipes are continuously fed out so as to be arranged at appropriate intervals to form a sandwich laminate of the water pipes and the nonwoven fabric web, the felt needles from the portions corresponding to the water pipes have been removed in advance. The fibers of the upper and lower nonwoven webs are entangled with each other by needle punching, and then only the low melting point synthetic fibers are melted using a heating device such as an infrared heater or high frequency to form a nonwoven web. A method for manufacturing a water supply and drainage material for civil engineering, characterized by integrally bonding the fibers of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1656083A JPS59141620A (en) | 1983-02-02 | 1983-02-02 | Manufacture of water supply and draining material for civil engineering works |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1656083A JPS59141620A (en) | 1983-02-02 | 1983-02-02 | Manufacture of water supply and draining material for civil engineering works |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59141620A true JPS59141620A (en) | 1984-08-14 |
Family
ID=11919661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1656083A Pending JPS59141620A (en) | 1983-02-02 | 1983-02-02 | Manufacture of water supply and draining material for civil engineering works |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59141620A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04247113A (en) * | 1990-12-17 | 1992-09-03 | American Colloid Co | Waterproofing material formed from clay and fiber material |
| JPH0734039U (en) * | 1993-12-01 | 1995-06-23 | 開発工建株式会社 | Underdrain drainage pipe |
| KR100490515B1 (en) * | 2002-10-24 | 2005-05-17 | 주식회사 대한아이엠 | High-tenacity high-modulus drainage filter and preparation thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4945516A (en) * | 1972-08-01 | 1974-05-01 | ||
| JPS5112887A (en) * | 1974-07-15 | 1976-01-31 | Teijin Ltd | Haisuitaino seizohoho |
-
1983
- 1983-02-02 JP JP1656083A patent/JPS59141620A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4945516A (en) * | 1972-08-01 | 1974-05-01 | ||
| JPS5112887A (en) * | 1974-07-15 | 1976-01-31 | Teijin Ltd | Haisuitaino seizohoho |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04247113A (en) * | 1990-12-17 | 1992-09-03 | American Colloid Co | Waterproofing material formed from clay and fiber material |
| JPH0734039U (en) * | 1993-12-01 | 1995-06-23 | 開発工建株式会社 | Underdrain drainage pipe |
| KR100490515B1 (en) * | 2002-10-24 | 2005-05-17 | 주식회사 대한아이엠 | High-tenacity high-modulus drainage filter and preparation thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1303660B1 (en) | Hydroentangled, low basis weight nonwoven fabric and process for making same | |
| CN1989295B (en) | Semi-permeable fabrics for transfer belt and press fabric applications | |
| CN106995981A (en) | Include the technical fabric of spiral winding material bands | |
| US4411722A (en) | Method for producing a non-woven fabric of cross-laminated warp and weft webs of elongated stocks | |
| JPS6051586B2 (en) | Nonwoven fabric manufacturing method and device | |
| GB1358412A (en) | Laminated product and method of preparing same | |
| KR20010074783A (en) | Method for producing a complex nonwoven material and resulting novel material | |
| JP2006192429A5 (en) | ||
| JPH05247821A (en) | Method for producing multilayer composite textile structure using nonwoven fabric and apparatus therefor | |
| GB850288A (en) | Fabrics composed of locally bonded fibrous webs | |
| EP3124694B1 (en) | Papermaking felt | |
| KR101514199B1 (en) | Multilayer fabric and manufacturing method thereof | |
| JPS59141620A (en) | Manufacture of water supply and draining material for civil engineering works | |
| JP2686807B2 (en) | Tubular fibrous reinforcement | |
| CN201931651U (en) | Composite hot-melting water adsorption needle-punched non-woven fabric | |
| GB1352782A (en) | Non-woven fabrics and methods and apparatus for producing such fabrics | |
| JP2003027483A (en) | Geogrid comprising multiple spindle laminated unwoven fabrics and manufacturing method thereor | |
| US3553064A (en) | Highly-drafted,sinusoidal patterned nonwoven fabric laminates and method of making same | |
| JPH01148861A (en) | Production of stretched orthogonal nonwoven fabric | |
| US3375561A (en) | Manufacture of needled and non-woven felts for use in the papermaking and analogous trades | |
| JPS60167958A (en) | Improved knitted fabric and its production | |
| KR101673120B1 (en) | Eco-friendly waterproofing non-woven composite sheet and waterproofing composite structure using the same | |
| WO2009127816A1 (en) | Hydroentangled tubular fabrics | |
| JPH08218260A (en) | Nonwoven fabric and its production | |
| KR960011614B1 (en) | Cross-laminated stretched non-woven fabric and method for making the same |