JPH03185135A - Production of yarn for artificial grass - Google Patents
Production of yarn for artificial grassInfo
- Publication number
- JPH03185135A JPH03185135A JP2236877A JP23687790A JPH03185135A JP H03185135 A JPH03185135 A JP H03185135A JP 2236877 A JP2236877 A JP 2236877A JP 23687790 A JP23687790 A JP 23687790A JP H03185135 A JPH03185135 A JP H03185135A
- Authority
- JP
- Japan
- Prior art keywords
- yarn
- band
- bands
- thickness
- artificial
- 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
- 244000025254 Cannabis sativa Species 0.000 title claims description 10
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- -1 polypropylene Polymers 0.000 claims abstract description 12
- 239000004743 Polypropylene Substances 0.000 claims abstract description 11
- 229920001155 polypropylene Polymers 0.000 claims abstract description 11
- 229920000642 polymer Polymers 0.000 claims abstract description 8
- 229920001400 block copolymer Polymers 0.000 claims abstract description 5
- 239000008187 granular material Substances 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- 206010061592 cardiac fibrillation Diseases 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000002600 fibrillogenic effect Effects 0.000 abstract 1
- 239000008188 pellet Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 15
- 238000002474 experimental method Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009732 tufting Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/445—Yarns or threads for use in floor fabrics
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/42—Formation of filaments, threads, or the like by cutting films into narrow ribbons or filaments or by fibrillation of films or filaments
- D01D5/426—Formation of filaments, threads, or the like by cutting films into narrow ribbons or filaments or by fibrillation of films or filaments by cutting films
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
- D01F6/06—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
- E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
- D10B2505/20—Industrial for civil engineering, e.g. geotextiles
- D10B2505/202—Artificial grass
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Artificial Filaments (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、ポリマー顆粒をバンドまたはフィルムに押し
出し、フィルムをバンドに切断し、バンドを延伸するこ
とにより、人工草地用の糸を製造する方法に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a method for producing yarns for artificial grass by extruding polymer granules into bands or films, cutting the film into bands and stretching the bands.
従来の技術
「デ・テックス」誌２７巻（１９６８年） １２号６３
ｇ−８４３頁のジー・シュア博士の記事「ステープルフ
ァイバーおよび繊維化されたポリプロピレンフィルムの
連続糸」には、ポリプロピレン顆粒をフィルムに押し出
し、フィルムを延伸比ｌ：６〜Ｌ：１２、特に１：１０
で延伸し、延伸されたフィルムをバンドに切断し、切断
されたバンドを繊維に改変することにより、繊維化され
た糸を製造することが述べられている。フィルムを延伸
する前にバンドに切断し、その後にバンドを延伸するこ
とも可能である。この様な繊維は、布、カーペット、裏
当てに使用する一般的用途以外に、「人工芝」用に使用
され得ることも記述されている。Conventional technology "De Tex" magazine Vol. 27 (1968) No. 12 No. 63
The article "Continuous Yarns of Staple Fibers and Fiberized Polypropylene Films" by Dr. Zhi Shua on page g-843 describes extruding polypropylene granules into a film and stretching the film at a stretching ratio of l:6 to L:12, especially 1: 10
It is described that a fiberized yarn is produced by stretching the film, cutting the stretched film into bands, and converting the cut bands into fibers. It is also possible to cut the film into bands before stretching and then stretch the bands. It has also been stated that such fibers, in addition to their general use in fabrics, carpets and backings, can be used for "artificial turf".
「ザ・テキスタイル・マニュファクチュアラ」ａ １９
７１年 ７号 ２６３−２Ｈ頁のダブリュ・エイチ・バ
ドリアンおよびジエ・エイチ・エル◆ショウファの記事
「繊維化されたポリプロピレン繊維」から、添加物入り
のポリプロピレン繊維は、このポリプロピレンが比較的
に大量の顔料および充填剤のような添加物を含む場合に
は、紡糸口金から直接押し出すことは困難であることが
、既知である。それ故に、顆粒をフィルムに押し出し、
このフィルムを延伸し、延伸されたフィルムをバンドに
切断することが、示唆されている。ここで述べられてい
る延伸比はｌ：８である。“The Textile Manufacturer” a 19
71, No. 7, pp. 263-2H, W. H. Badrian and G. H. L. Shofa's article "Fiberized polypropylene fibers" reveals that additive-containing polypropylene fibers contain a relatively large amount of pigment. It is known that direct extrusion from a spinneret is difficult when additives such as fillers are included. Therefore, extrude the granules into a film and
It has been suggested to stretch the film and cut the stretched film into bands. The stretching ratio mentioned here is l:8.
製造された繊維は、２６６頁の表で示されているように
、６〜４２デニールという低いデシテックス値を持つ。The fibers produced have low decitex values of 6 to 42 denier, as shown in the table on page 266.
これらの繊維を人工草に用いることについては、この記
事に記述されていない。The use of these fibers in artificial grass is not described in this article.
実際には人工草地用の糸は、欧州特許節０．２６３．５
１３６号で開示されているように、ポリプロピレンのよ
うなポリマー顆粒を、幅約７５０ ｍｍ ｓ厚さ約１０
０μｍのフィルムに押し出すことにより製造される。こ
のフィルムは幅約３０ ｍｍのバンドに切断され、この
バンドはＩ：４以上の延伸比で幅約１５１０１％厚さ約
５０μｍのフィルムに延伸される。これらのバンドを捩
るために、バンドには、ねじりを容易にする構造である
網状構造ができるように切目が入れられる。In fact, the yarn for artificial grassland is European Patent Section 0.263.5
No. 136, polymer granules, such as polypropylene, have a width of about 750 mm and a thickness of about 10 mm.
Manufactured by extrusion into 0 μm films. This film is cut into bands about 30 mm wide, and the bands are stretched to a film about 15101% wide and about 50 μm thick at a stretch ratio of I:4 or higher. To twist these bands, the bands are scored to create a net-like structure, a structure that facilitates twisting.
発明が解決しようとする課題
人工草地がこの糸から作られた場合には、その人工草地
は、後繊維形成（ａｒｔｅｒ−ｆ’１ｂｒｉｌｌａｔｉ
。PROBLEM TO BE SOLVED BY THE INVENTION When an artificial grassland is made from this yarn, the artificial grassland has post-fiber formation (arter-f'1 brillati).
.
ｎ）が生じ、そのためにタフティングされた糸が摩耗す
るという欠点を持つ。本発明者は、人工草地を改善する
ために徹底的に研究し、その中で摩耗耐性の改善を指向
する実験を行った。これらの実験から、比較的に高い延
伸比では、繊維の強度は高くなるが、摩耗耐性は延伸比
を低くすることにより改善されることが明らかとなった
。n), which has the disadvantage of causing wear of the tufted yarn. The present inventor conducted thorough research to improve artificial grassland, and conducted experiments aimed at improving wear resistance. These experiments revealed that at relatively high draw ratios, the strength of the fibers was increased, but the abrasion resistance was improved by lowering the draw ratio.
課題を解決するための手段
本発明による人工草地用糸の製造法は、ポリマー顆粒を
バンドまたはフィルムに押し出し、フィルムをバンドに
切断し、バンドを延伸することにより糸を製造する方法
であって、幅１．５〜４■ のバンドを延伸比ｉ：２〜
１：３で、幅０．７５〜３ｍｍ、厚さが押出されたバン
ドの厚さの５０〜８０％のバンドに延伸し、次に延伸さ
れたバンド５〜ｌＯ枚をねじって糸にすることを特徴と
するものである。The method for producing yarn for artificial grass according to the present invention is a method for producing yarn by extruding polymer granules into bands or films, cutting the film into bands, and stretching the bands, comprising: A band with a width of 1.5 to 4 cm is stretched at a stretching ratio of i:2 to
Stretching at a ratio of 1:3 into a band with a width of 0.75 to 3 mm and a thickness of 50 to 80% of the thickness of the extruded band, and then twisting 5 to 10 sheets of the stretched band to form a thread. It is characterized by:
望ましくは、バンドの幅は、押し出し後に２〜３１１１
Ｍであり、延伸後に１〜２ＩＩｍであって、延伸の間に
バンドの厚さは元の厚さの５０〜７（１％となる。また
望ましくは、バンドは糸番号９００〜１３５０デシテッ
クスである。また望ましくは、ポリマー顆粒として、ブ
ロック共重合体を具備するプロピレンを使用する。ポリ
プロピレンのみならずベルギー国ソルヴエイから販売さ
れているもののようなブロック共重合体も使用される。Preferably, the width of the band is between 2 and 3111 after extrusion.
M and 1 to 2 II m after stretching, and the thickness of the band during stretching is 50 to 7 (1%) of the original thickness. Preferably, the band has a thread number of 900 to 1350 decitex. It is also preferred to use propylene with a block copolymer as the polymer granules. Not only polypropylene but also block copolymers such as those sold by Solvay, Belgium are used.
さらに望ましくは、糸にシリコン誘導体のような摩擦係
数減少物質を塗布する。本発明の方法では、フィルムか
らバンドへの切断と、延伸とは逆にし、フィルムの延伸
と同様にバンドを延伸することができる。糸材料製人口
草地に使用される糸材料は、上記の方法により製造され
るのである。More preferably, the yarn is coated with a coefficient of friction reducing material such as a silicone derivative. In the method of the present invention, the cutting of the film into bands and the stretching can be reversed, and the band can be stretched in the same way as the film is stretched. The yarn material used in the artificial grassland is manufactured by the method described above.
米国特許第４．２５３，２９９号から、フィルムを切断
することによりフィルムから繊維を製造することおよび
その繊維を延伸比的１：３で延伸することが既知である
ということは、真実であろうが、この場合には約１３２
デニールという非常に細い繊維が製造され、この繊維は
ジェットの中で絡み合わされる。この様な繊維からは使
用可能の人工草地は製造できない。It may be true that from U.S. Pat. No. 4,253,299 it is known to produce fibers from films by cutting them and to draw the fibers with a drawing ratio of 1:3. However, in this case it is about 132
Very fine fibers called denier are produced and these fibers are intertwined in the jet. Usable artificial grass cannot be produced from such fibers.
発明の効果
実施した実験の結果として、本発明によるタフティング
された糸で製造された人工草地は後繊維形成を生じるこ
とが少なく、ホイール実験により、肉眼検査で明らかに
改善された結果が得られることが証明された。テーパー
・テストの結果を下表に示すが、糸の喪失は、欧州特許
第０．２８３，５８８号で開示された草地用の糸を使用
した人工草地の場合の７０％から、本発明による糸で製
造された人工草地の場合の２０％へ大巾に減少し・たこ
とが明らかである。Effects of the invention As a result of the experiments conducted, the artificial grassland made with the tufted yarn according to the invention is less prone to post-fibrillation, and wheel experiments give clearly improved results by visual inspection. This has been proven. The results of the taper test are shown in the table below, which shows that yarn loss ranges from 70% in artificial grass using the grass yarn disclosed in European Patent No. 0.283,588 to It is clear that the reduction was significantly reduced to 20% of that in the case of artificial grassland manufactured by.
この表からまた、シリコン油のようなシリコン誘導体を
人工草地に使用することは、摩擦係数を低下させ、摩耗
を減少させることが明らかである。It is also clear from this table that the use of silicone derivatives, such as silicone oil, in artificial turf reduces the coefficient of friction and reduces wear.
（以下余白）
”・・１０ ｃｍ幅当たり切目４個
幅２〜３ ｍｍのバンドに切断されるフィルムを製造す
る代わりに、指定された幅のバンドを紡糸口金から直接
製造することもまた可能である。この場合溶湯は、押し
出し冷却後に所望のバンドが直接得られるような寸法の
紡糸口金から伸出される。これは上記のダブリュ・エイ
・バドリアンの記事で示されている期待事項とは逆であ
る。何故ならば今や本発明によれば上記の記事が目標と
するものよりも太い繊維が製造されるからである。(Left below) ”...Instead of producing a film that is cut into bands 2-3 mm wide with 4 cuts per 10 cm width, it is also possible to produce bands of a specified width directly from the spinneret. In this case, the molten metal is drawn out of a spinneret whose dimensions are such that the desired bands are obtained directly after extrusion cooling. This is contrary to the expectations expressed in the W. A. Badrian article cited above. Yes, because the present invention now produces thicker fibers than those targeted in the above article.
実 施 例
本発明を下記実施例を参照しながら、更に詳しく説明さ
れる。EXAMPLES The present invention will be explained in more detail with reference to the following examples.
実施例１
押し出し機にはメルトインデックス２のポリプロピレン
が供給される。これから幅７５０ ＩＤｍ ｓ厚さ １
００μｍのフィルムが製造される。このフィルムは、厚
さはその侭で幅２〜３１ＩＩＩｌのバンドに切断される
。延伸は、温度的１３０℃、延伸比１：２．５で行われ
る。まずフィルムを延伸し、延伸されたフィルムを切断
することも可能である。延伸作業には、熱風炉が使用さ
れる。リラックス処理、冷却、収縮後に、幅１．５ ｍ
ｍ ｓ厚さ ６０μｍのバンドが得られる。これらのバ
ンド８枚をねじって糸とし、この糸をタフティング作業
によって、人工草地用のカーペットに製造することがで
きた。Example 1 An extruder is fed with melt index 2 polypropylene. Width 750 IDm s Thickness 1
00 μm film is produced. This film is cut into bands with a thickness of 2 to 31 IIIl in width. The stretching is carried out at a temperature of 130° C. and a stretching ratio of 1:2.5. It is also possible to first stretch the film and then cut the stretched film. A hot air oven is used for the stretching operation. 1.5 m wide after relaxing treatment, cooling and shrinkage
A band with a thickness of 60 μm is obtained. Eight of these bands were twisted into yarn, and this yarn was able to be manufactured into a carpet for artificial grass by tufting.
実施例２
実施例１の方法を、ポリプロピレンの代わりに、ベルギ
ー国ソルヴエイから販売されているポリプロピレンおよ
びポリエチレンから成るブロック共重合体を使用して、
繰返し実施した。Example 2 The method of Example 1 was repeated using a block copolymer of polypropylene and polyethylene sold by Solvay, Belgium, instead of polypropylene.
It was carried out repeatedly.
以上that's all
Claims (5)
、フィルムをバンドに切断し、バンドを延伸することに
より、人工草地用の糸を製造する方法であって、幅１．
５〜４ｍｍのバンドを延伸比１：２〜１：３で、幅０．
７５〜３ｍｍ、厚さが押出されたバンドの厚さの５０〜
８０％のバンドに延伸し、次に延伸されたバンド５〜１
０枚をねじって糸にすることを特徴とする人口草地用糸
の製造法。(1) A method for producing yarn for artificial grass by extruding polymer granules into bands or films, cutting the film into bands, and stretching the bands, the method comprising: a width of 1.
A 5-4 mm band is stretched at a stretching ratio of 1:2-1:3 and a width of 0.
75~3mm, thickness 50~3mm of extruded band thickness
Stretched to 80% band, then stretched band 5-1
A method for manufacturing yarn for artificial grassland, which is characterized by twisting 0 sheets into yarn.
延伸後に１〜２ｍｍであって、延伸の間にバンドの厚さ
が元の厚さの５０〜７０％となることを特徴とする請求
項１記載の人口草地用糸の製造法。(2) The width of the band is 2 to 3 mm after extrusion,
2. The method for producing a yarn for artificial grass according to claim 1, wherein the thickness of the band is 1 to 2 mm after stretching, and the thickness of the band becomes 50 to 70% of the original thickness during stretching.
共重合体を使用することを特徴とする請求項１又は２記
載の人口草地用糸の製造法。(3) The method for producing yarn for artificial grassland according to claim 1 or 2, characterized in that a block copolymer of polypropylene is used as the polymer granules.
シテックスであることを特徴とする請求項１から３まで
のいずれか１項記載の人口草地用糸の製造法。(4) The method for producing yarn for artificial grassland according to any one of claims 1 to 3, wherein the band used has a yarn number of 900 to 1350 decitex.
塗布することを特徴とする請求項１から４までのいずれ
か１項記載の人口草地用糸の製造法。(5) The method for producing yarn for artificial grassland according to any one of claims 1 to 4, characterized in that the yarn is coated with a friction coefficient reducing substance such as a silicon derivative.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8902223 | 1989-09-05 | ||
| NL8902223A NL8902223A (en) | 1989-09-05 | 1989-09-05 | METHOD FOR MANUFACTURING YARN FOR ARTIFICIAL GRASS FIELDS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03185135A true JPH03185135A (en) | 1991-08-13 |
Family
ID=19855261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2236877A Pending JPH03185135A (en) | 1989-09-05 | 1990-09-05 | Production of yarn for artificial grass |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0417832B1 (en) |
| JP (1) | JPH03185135A (en) |
| AT (1) | ATE98305T1 (en) |
| DE (1) | DE69005067T2 (en) |
| NL (1) | NL8902223A (en) |
| NZ (1) | NZ235149A (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5578373A (en) * | 1990-11-01 | 1996-11-26 | Nippon Oil Co., Ltd. | Split polyethylene stretched material and process for producing the same |
| NL9301798A (en) * | 1993-10-18 | 1995-05-16 | Desseaux H Tapijtfab | Method for manufacturing yarn for an artificial grass field. |
| SE513818C2 (en) * | 1994-12-21 | 2000-11-06 | Sca Hygiene Prod Ab | Flexible absorbent article comprising strips of elastic film and method of manufacturing the same |
| US6432505B1 (en) * | 1995-10-31 | 2002-08-13 | Southwest Recreational Industries, Inc. | Diamond cross section synthetic turf filament |
| NL1006606C2 (en) † | 1997-07-17 | 1999-01-19 | Desseaux H Tapijtfab | Yarn for artificial grass, method of manufacturing the yarn and artificial grass field in which said yarn is incorporated. |
| US6143368A (en) * | 1998-02-10 | 2000-11-07 | Gunn; Robert T. | Low coefficient of friction fibers |
| CN101029419B (en) * | 2003-05-28 | 2010-09-22 | 兰克霍斯特茵德泰克股份有限公司 | Wire for artificial grass lawn, artificial grass lawn containing the wire and sports ground |
| ATE459758T1 (en) * | 2003-05-28 | 2010-03-15 | Lankhorst Pure Composites Bv | YARN FOR ARTIFICIAL GRASS, GROUND COVER AND PLAYING FIELD CONTAINING THE SAME, AND METHOD |
| NL1026239C2 (en) | 2004-05-19 | 2005-11-22 | Ten Cate Thiolon Bv | Method for manufacturing a plastic fiber for use in an artificial grass sports field as well as such a plastic fiber. |
| CN103906866A (en) | 2011-10-20 | 2014-07-02 | 塔克特公司 | Process for making artificial turf fibers |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1941950A1 (en) * | 1969-08-18 | 1971-03-04 | Nino Gmbh & Co | Synthetic yarn by fibrillating plastics - strip |
| US4253299A (en) * | 1979-05-03 | 1981-03-03 | Phillips Petroleum Company | Bulked and entangled multifilament thermoplastic yarn |
| NL8602312A (en) * | 1986-09-12 | 1988-04-05 | Nijverdal Ten Cate Textiel | METHOD FOR MANUFACTURING AN ARTIFICIAL GRASSMAT AND ARTIFICIAL GRASSMAT OBTAINED THEREFROM |
-
1989
- 1989-09-05 NL NL8902223A patent/NL8902223A/en not_active Application Discontinuation
-
1990
- 1990-09-03 NZ NZ235149A patent/NZ235149A/en unknown
- 1990-09-04 EP EP90202335A patent/EP0417832B1/en not_active Expired - Lifetime
- 1990-09-04 AT AT90202335T patent/ATE98305T1/en not_active IP Right Cessation
- 1990-09-04 DE DE90202335T patent/DE69005067T2/en not_active Expired - Fee Related
- 1990-09-05 JP JP2236877A patent/JPH03185135A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NZ235149A (en) | 1992-06-25 |
| EP0417832B1 (en) | 1993-12-08 |
| EP0417832A1 (en) | 1991-03-20 |
| DE69005067D1 (en) | 1994-01-20 |
| ATE98305T1 (en) | 1993-12-15 |
| NL8902223A (en) | 1991-04-02 |
| DE69005067T2 (en) | 1994-04-21 |
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