JPH0128142B2 - - Google Patents
Info
- Publication number
- JPH0128142B2 JPH0128142B2 JP55167969A JP16796980A JPH0128142B2 JP H0128142 B2 JPH0128142 B2 JP H0128142B2 JP 55167969 A JP55167969 A JP 55167969A JP 16796980 A JP16796980 A JP 16796980A JP H0128142 B2 JPH0128142 B2 JP H0128142B2
- Authority
- JP
- Japan
- Prior art keywords
- back side
- resin
- fibers
- buffing
- fiber
- 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.)
- Expired
Links
- 239000000835 fiber Substances 0.000 claims description 43
- 239000011347 resin Substances 0.000 claims description 22
- 229920005989 resin Polymers 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 210000004209 hair Anatomy 0.000 description 19
- 238000000034 method Methods 0.000 description 13
- 239000004744 fabric Substances 0.000 description 11
- 239000000758 substrate Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000009940 knitting Methods 0.000 description 5
- 229920000728 polyester Polymers 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- -1 polyethylene terephthalate Polymers 0.000 description 3
- 238000009941 weaving Methods 0.000 description 3
- 201000004384 Alopecia Diseases 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 208000024963 hair loss Diseases 0.000 description 2
- 230000003676 hair loss Effects 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 238000009732 tufting Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003648 hair appearance Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920006306 polyurethane fiber Polymers 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
Landscapes
- Treatment Of Fiber Materials (AREA)
- Nonwoven Fabrics (AREA)
Description
【発明の詳細な説明】
本発明は、裏面の外観および感触が動物毛皮の
ごときスエード調であり、柔軟で、立毛の抜け毛
が少なく、しかも立毛品位の良好な人工毛皮の製
造方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for producing artificial fur that has a suede-like appearance and feel similar to animal fur on the back side, is soft, has little shedding of hair, and has good quality of hair.
一般に動物毛皮は、耐虫食い性や耐候性が悪く
保管面で十分な配慮をしないと長期使用は困難と
されていることは、よく知られている。 It is well known that animal fur generally has poor insect attack resistance and weather resistance, making it difficult to use it for a long period of time unless sufficient care is taken in terms of storage.
また、従来、動物毛皮に近似した人工毛皮を得
るため、パイル編、パイル織、タフテイング、ス
ライバーニツテイングなどがあり、この技術を利
用した種々の提案がなされているが、本発明者ら
の検討によれば、これらは、次の共通した欠点を
有する。 In addition, conventional techniques such as pile knitting, pile weaving, tufting, and sliver knitting have been used to obtain artificial fur that resembles animal fur, and various proposals have been made using this technology. According to the authors, these have the following common drawbacks:
(1) 立毛繊維が規則正しく植えられているため、
地割れが生じやすく立毛根元の地組織が露顕し
見えやすいという欠点がある。(1) Because the erect fibers are regularly planted,
It has the disadvantage that cracks are likely to occur in the ground, and the ground structure at the base of the erect hairs is easily exposed and visible.
(2) 刺毛とうぶ毛の二層構造が得難い。(2) It is difficult to obtain a two-layer structure of stinging hair and downy hair.
(3) 動動毛皮のごとき立毛の先端に、実質的に点
状のシヤープなテーパが得られない。(3) A sharp dot-like taper cannot be obtained at the tips of the erect hairs such as those of movable fur.
(4) 立毛が、からみ易い。(4) Hair stands easily get tangled.
(5) 裏面の外観は、編または、織組織が露出して
いるため、一見して模造品として織別される。(5) Since the back side has exposed knitting or weaving structure, it can be seen as an imitation at first glance.
(6) 裏面の感触は、立毛の抜け毛防止として単に
樹脂接着のみに頼つているため、ガサついてい
る。(6) The back side feels rough because it relies solely on resin adhesion to prevent hair from falling out.
一方、本発明者らの提案した特願昭54−138146
に係る人工毛皮も動物毛皮に酷似した人工毛皮で
あるが、裏面において必らずしも十分なものでは
なかつた。 On the other hand, the patent application No. 54-138146 proposed by the present inventors
The artificial fur according to the above is also an artificial fur that closely resembles animal fur, but the back side is not necessarily sufficient.
すなわち、立毛の抜け毛防止として、樹脂接着
した場合、風合がかたくなりやすく、同裏面の手
ざわりも立毛のためざらざらする問題があつた。 That is, when resin is bonded to prevent the napping from falling out, the texture tends to be hard, and the back side has a rough texture due to the napping.
本発明の目的は、裏面の外観および感触をも、
動物毛皮のごときスエード調にし、かつ柔軟な基
体を有する立毛繊維構造物の製造方法を提供せん
とすることにある。 The purpose of the present invention is to improve the appearance and feel of the back side as well.
It is an object of the present invention to provide a method for manufacturing a napped fiber structure having a suede-like appearance similar to animal fur and having a flexible base.
すなわち、本発明は、基体上に立毛用有限長繊
維を積層し、該積層面側からニードルパンチング
を施し、該立毛用有限長繊維の一部分を前記基体
の裏面側にまで貫通突出せしめてなる繊維構造物
の裏面に、樹脂を付与して該立毛用有限長繊維を
前記基体に接着固定せしめ、しかる後、該裏面を
バフすることにより前記樹脂と前記裏面側に突出
している立毛用有限長繊維部分の双方を切削する
ことを特徴とする立毛繊維構造物の製造方法であ
る。 That is, the present invention provides a fiber in which finite length fibers for raising are laminated on a substrate, needle punching is performed from the laminated surface side, and a portion of the finite length fibers for raising is made to penetrate and protrude to the back side of the substrate. A resin is applied to the back side of the structure to bond and fix the finite length fibers for raising to the base, and then the back side is buffed to combine the resin and the finite length fibers for raising that protrude to the back side. This is a method for producing a napped fiber structure characterized by cutting both parts.
以下、本発明について詳説する。 The present invention will be explained in detail below.
本発明において、立毛を構成する合成繊維とし
ては、バフによつて摩耗または切断またはフイブ
リル化する素材であれば良く、特に限定されない
が、ポリエチレンテレフタレート、ポリブチレン
テレフタレートなどのポリエステル系繊維、ナイ
ロン６、ナイロン66などのポリアミド系繊維、ポ
リアクリル系ポリウレタン系繊維、ポリオレフイ
ン系繊維などがあげられる。またこれらの合成繊
維は、公知の各種改質（例えば共重合、添加剤、
ポリマーブレンドなど）を行なつたものも含まれ
るが、立毛の品位から言えば、特に先端に実質的
に点状のシヤープなテーパを付与できるポリエス
テル系の繊維が好ましく用いられる。本発明にお
いて、突出している立毛用有限長繊維部分を切削
するとは、上述のように突出繊維部分を、摩耗ま
たは切断またはフイブリル化することを言う。ま
た、樹脂を切削するとは、樹脂層の少なくとも一
部を削り取ることを言う。 In the present invention, the synthetic fibers constituting the nap may be any material that is abraded, cut, or fibrillated by buffing, and is not particularly limited, but includes polyester fibers such as polyethylene terephthalate and polybutylene terephthalate, nylon 6, Examples include polyamide fibers such as nylon 66, polyacrylic polyurethane fibers, and polyolefin fibers. In addition, these synthetic fibers can be treated with various known modifications (e.g., copolymerization, additives,
Polyester fibers are also included, but from the viewpoint of the quality of the nap, polyester fibers that can provide a sharp taper with substantially dots at the tip are preferably used. In the present invention, cutting the protruding finite length fiber portion for napping refers to abrading, cutting, or fibrillating the protruding fiber portion as described above. Moreover, cutting the resin means scraping off at least a portion of the resin layer.
基体となる繊維構造物についても特に限定はな
く、編織物、不織布が用いられる。また、その素
材、組織についても限定はされないが、柔軟で緻
密であり、厚さの薄い繊維構造物が好ましい。 There are no particular limitations on the fibrous structure that serves as the base, and knitted fabrics and nonwoven fabrics can be used. Furthermore, there are no limitations on the material or structure, but a flexible, dense, and thin fibrous structure is preferable.
裏面の樹脂は、柔軟で立毛との接着力が強けれ
ば特に限定はないが、アクリル系、ポリエステル
系、スチロール系、ポリウレタン系、エポキシ
系、酢酸ビニル系、合成ゴム系、その他、これら
の組合わせなど、があげられるが、ポリウレタン
系が好ましく用いられる。樹脂を付与する方法に
ついては特に限定されず各種のコーテイング法、
含浸法が用いられる。 The resin on the back side is not particularly limited as long as it is flexible and has strong adhesion to the nap, but it may be acrylic, polyester, styrene, polyurethane, epoxy, vinyl acetate, synthetic rubber, or a combination of these. etc., but polyurethane-based materials are preferably used. The method of applying the resin is not particularly limited, and various coating methods,
An impregnation method is used.
本発明において、裏面をバフする処理に適する
立毛繊維構造物としては、立毛繊維が基体の裏面
まで貫通し、突出して植毛されているものであれ
ば良く、その製造方法に限定されるものではない
が好ましい方法として本発明者らが先に提案した
ニードルパンチによる特願昭54−138146があげら
れる。 In the present invention, the napped fiber structure suitable for buffing the back side may be one in which the napped fibers penetrate to the back side of the substrate and are planted in a protruding manner, and the method for producing the structure is not limited. A preferable method is the method disclosed in Japanese Patent Application No. 138146/1983, which was previously proposed by the present inventors and uses needle punching.
従来、公知の他の方法、例えば、パイル編、パ
イル織、タフテイング、スライバーニツテイング
などの方法によつて得られた、立毛繊維構造物
は、これらの裏面をバフした場合、抜け毛防止の
ための樹脂が削り取られ、基布組織を損傷するの
で抜け毛が多くなり、基布強力が低下し品位を損
なう欠点を有する。 Conventionally, napped fiber structures obtained by other known methods, such as pile knitting, pile weaving, tufting, and sliver knitting, can be used to prevent hair loss when the back side of these structures is buffed. The resin is scraped off and the base fabric structure is damaged, resulting in increased hair loss, which reduces the strength of the base fabric and impairs its quality.
また特開昭54−18962号公報や特開昭54−30976
号公報においては、パイル布帛の裏面をスエード
調にするため、細デニール繊維よりなるシートを
液体流で基布裏面と交絡させる方法が提案されて
いる。この方法や裏面にスエード調布帛をラミネ
ートする方法はそれだけ基布部分が厚くなる欠点
を有するばかりでなく、工程が複雑になる欠点を
有する。 Also, JP-A-54-18962 and JP-A-54-30976
In order to make the back side of the pile fabric suede-like, the publication proposes a method in which a sheet made of fine denier fibers is entangled with the back side of the base fabric using a liquid stream. This method and the method of laminating a suede-like fabric on the back side not only have the disadvantage that the base fabric becomes thicker, but also have the disadvantage that the process becomes complicated.
本発明において立毛繊維が基体裏面まで貫通突
出して植毛されている繊維構造物を用いて裏面に
樹脂を付与しバフした場合、バフ効果を付与され
るのは主として立毛繊維であり基体にはほとんど
影響されず、基体強力などを低下させることがな
い利点を有することが見出された。また接着強力
を低下させることもない。すなわち、本発明の方
法において、バフの目的は、裏面における突出し
た立毛用有限長繊維部分を該バフにより切削する
ことにあつて、バフにより繊維を引き出して立毛
せしめる等の目的下で行なうものではなく、した
がつて、該バフを行なう時点も繊維構造物の裏面
に樹脂を付与して立毛用の有限長繊維を基体に十
分に接着固定せしめた後に行なうものである。な
お、該バフにより樹脂の一部もむろん削り取られ
ることになる。 In the present invention, when a fiber structure in which the napped fibers are flocked so as to protrude through to the back surface of the base is used and a resin is applied to the back side and buffed, the buffing effect is mainly imparted to the napped fibers and has little effect on the base. It has been found that it has the advantage of not reducing the strength of the base. Furthermore, the adhesive strength is not reduced. That is, in the method of the present invention, the purpose of the buffing is to cut the protruding finite length fiber part for raising on the back side with the buff, and it is not carried out for the purpose of drawing out the fibers with the buff to make them raise. Therefore, the buffing is carried out after applying a resin to the back surface of the fiber structure and sufficiently adhering and fixing the finite length fibers for raising to the substrate. Note that, of course, a portion of the resin will also be scraped off by the buffing.
すなわち立毛が裏面まで貫通し、突出している
ことにより樹脂が立毛に十分に接着し、かつ、立
毛にからみがないことから樹脂が立毛を構成する
単繊維または単繊維束の内部まで十分浸透するた
めに、バフの処理を行なつても抜け毛がなく、裏
面の立毛が摩耗または切断またはフイブリル化す
るのである。この現象により、外観および感触が
動物毛皮のごときスエード調の裏面を有するので
ある。裏面には立毛はランダムに出ている方がよ
り好ましいスエード調となる。また、樹脂と裏面
立毛が同時に削られることにより基体の厚味が薄
くなることに加え、バフ時のもみ効果とが、相乗
的に働いて基体が柔軟になるのである。 In other words, since the nap penetrates to the back surface and protrudes, the resin sufficiently adheres to the nap, and since the nap is not tangled, the resin can sufficiently penetrate into the inside of the single fibers or single fiber bundles that make up the nap. Moreover, even after buffing, no hair falls out, and the raised hair on the back side is worn out, cut off, or fibrillated. This phenomenon results in a suede-like underside that looks and feels like animal fur. On the back side, the naps appear randomly to give a more desirable suede look. In addition, the thickness of the substrate becomes thinner by simultaneously scraping the resin and the back nap, and the massaging effect during buffing works synergistically to make the substrate flexible.
裏面に突出している立毛の長さは、樹脂の浸透
性および、バフ効果の面から適宜選定することが
出来、10mm未満であれば良く、好ましくは５mm未
満である。 The length of the raised fluffs protruding from the back surface can be appropriately selected from the viewpoints of resin permeability and buffing effect, and may be less than 10 mm, preferably less than 5 mm.
バフは、樹脂膜をハクリするとともに裏面立毛
を摩耗、切断またはフイブリル化すれば良く、ヤ
スリ状の表面を有するロールまたは板、たとえば
サンドペーパあるいはサンドクロスロール、ベル
トまたは板、などを用いることが出来る。なかで
もサンドペーパロールあるいはベルトが好ましく
用いられる。サンドのメツシユは、10〜1000メツ
シユのものを用いることが出来るが、100〜200メ
ツシユのものが好ましく用いられる。 The buff may be used to peel off the resin film and wear, cut, or fibrillate the raised naps on the back surface, and a roll or plate having a file-like surface, such as a sandpaper or sand cloth roll, a belt, or a plate, can be used. Among these, a sandpaper roll or belt is preferably used. Sand meshes having 10 to 1000 meshes can be used, but those having 100 to 200 meshes are preferably used.
以下、実施例に従がつて説明する。 Examples will be explained below.
実施例 １
Ａ 両端尖鋭化繊維の製造
特開昭54−38922号公報の方法により両端テー
パ化ポリブチレンテレフタレート繊維、単糸繊度
30デニール30mmと単糸繊度５デニール、７デニー
ルそれぞれ20mmを作成した。Example 1 A: Production of fiber with sharpened ends Polybutylene terephthalate fiber with tapered ends, single fiber fineness, by the method of JP-A No. 54-38922
I made 30 denier 30 mm and single yarn fineness 5 denier and 7 denier 20 mm each.
Ｂ 繊維構造物の製造
前記30デニールの繊維20重量％と５デニール、
７デニールそれぞれ40重量％（いずれも実質的に
捲縮のないもの）をエアーで十分開繊ミツクスし
た。B Manufacture of fiber structure 20% by weight of the 30 denier fiber and 5 denier,
40% by weight of each of the 7 denier fibers (substantially no crimp) was thoroughly opened and mixed with air.
基布としてポリエステル（65％）／綿（35％）
ローン（目付け60ｇ／m2）上に前記繊維層を約
1500ｇ／m2となるように形成させ、オルガン針株
式会社製のフエルト針FPD−１型＃36の針を用
いて針深度10mm、パンチング本数480本／cm2の条
件下でニードルパンチングした。 Polyester (65%)/cotton (35%) as base fabric
The above fiber layer is placed on the lawn (basis weight 60g/m 2 ).
It was formed to have a weight of 1500 g/m 2 and needle punched using a felt needle FPD-1 type #36 manufactured by Organ Needle Co., Ltd. under conditions of a needle depth of 10 mm and a punching number of 480 punches/cm 2 .
Ｃ 裏面処理
得られた繊維構造物の表面は、フエルト状の絡
合度の低い繊維層が基布に貼りつけられており、
裏面は基布を貫通して突出した立毛がランダムに
約３mm突き出ている。C Back surface treatment The surface of the obtained fiber structure has a felt-like fiber layer with a low degree of entanglement attached to the base fabric.
On the back side, protruding naps of approximately 3 mm protrude randomly through the base fabric.
この構造物の裏面をウレタン樹脂“クリスボン
8316（大日本インキ株式会社製）をDMFで濃度10
％に調整したものを、1000ｇ／m2となるように塗
布し湿式凝固せしめた。風乾後、表面を立毛した
ところ、立毛品位は良好であつた。次に裏面から
DMFを噴霧し、80℃の温度で30分間乾燥し、前
述の樹脂を、ほぼ乾式凝固レベルの接着力にし
180メツシユのサンドペーパを巻きつけたロール
を1000rpmの速度で回転させた上でバフ処理し
た。 The back side of this structure is made of urethane resin “Crisbon”.
8316 (manufactured by Dainippon Ink Co., Ltd.) in DMF at a concentration of 10.
% was applied at a concentration of 1000 g/m 2 and wet coagulated. After air drying, the surface was fluffed and the quality of fluff was good. Then from the back
Spray with DMF and dry for 30 minutes at a temperature of 80°C to bring the aforementioned resin to an adhesive strength almost at the level of dry coagulation.
Buffing was performed by rotating a roll wrapped with 180 mesh sandpaper at a speed of 1000 rpm.
バフ処理を行なう前は裏面はランダムな立毛が
突出し、樹脂皮膜で固着されているため、手ざわ
りは凹凸感がありざらついて硬いのに対して、バ
フ処理を行なつたものは、表面樹脂がけずれ、過
長立毛が切削され、全体として裏面は平滑になる
とともに立毛切断端は尖鋭化あるいはフイブリル
化され、柔軟なぬめり感のある毛皮裏面のごとき
外観風合が得られた。また抜け毛強力はバフ前刺
毛成分36ｇ／１本に対し、バフ後は34ｇ／１本と
ほとんど差がなかつた。またカンチレバー法によ
る剛軟度測定ではバフ前11cmに対しバフ後8.3cm
と柔軟化効果も大きいことが認められた。 Before buffing, random raised hairs protrude from the back side and are fixed with a resin film, so it feels rough and hard to the touch, whereas with buffing, the surface resin is scratched off. The overlong nape was cut off, and the back surface became smooth as a whole, and the cut ends of the nape were sharpened or fibrillated, giving an appearance and texture similar to the back side of fur with a soft and slimy feel. In addition, the hair removal strength was 36g/1 hair before buffing, and 34g/1 hair after buffing, with almost no difference. In addition, the bending strength measurement using the cantilever method showed that 8.3 cm after buffing compared to 11 cm before buffing.
It was also recognized that the softening effect was large.
Claims (1)
面側からニードルパンチングを施し、該立毛用有
限長繊維の一部分を前記基体の裏面側にまで貫通
突出せしめてなる繊維構造物の裏面に、樹脂を付
与して該立毛用有限長繊維を前記基体に接着固定
せしめ、しかる後、該裏面をバフすることにより
前記樹脂と前記裏面側に突出している立毛用有限
長繊維部分の双方を切削することを特徴とする立
毛繊維構造物の製造方法。1. On the back side of a fiber structure obtained by laminating finite length fibers for napped on a base, needle punching is performed from the laminated side, and a part of the finite length fibers for napped protrude through to the back side of the base. , Applying a resin to adhesively fix the finite length fibers for raising to the base body, and then buffing the back side to cut both the resin and the finite length fibers for raising that protrude to the back side. A method for producing a napped fiber structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55167969A JPS5795369A (en) | 1980-12-01 | 1980-12-01 | Production of raised fiber structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55167969A JPS5795369A (en) | 1980-12-01 | 1980-12-01 | Production of raised fiber structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5795369A JPS5795369A (en) | 1982-06-14 |
| JPH0128142B2 true JPH0128142B2 (en) | 1989-06-01 |
Family
ID=15859384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55167969A Granted JPS5795369A (en) | 1980-12-01 | 1980-12-01 | Production of raised fiber structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5795369A (en) |
-
1980
- 1980-12-01 JP JP55167969A patent/JPS5795369A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5795369A (en) | 1982-06-14 |
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