JPH04164467A - Core material for ski board - Google Patents
Core material for ski boardInfo
- Publication number
- JPH04164467A JPH04164467A JP28908490A JP28908490A JPH04164467A JP H04164467 A JPH04164467 A JP H04164467A JP 28908490 A JP28908490 A JP 28908490A JP 28908490 A JP28908490 A JP 28908490A JP H04164467 A JPH04164467 A JP H04164467A
- Authority
- JP
- Japan
- Prior art keywords
- core material
- fiber
- ski
- reinforced plastic
- torsional rigidity
- 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
- 239000011162 core material Substances 0.000 title claims description 57
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims abstract description 26
- 239000011151 fibre-reinforced plastic Substances 0.000 claims abstract description 26
- 229920003023 plastic Polymers 0.000 claims abstract description 8
- 239000004033 plastic Substances 0.000 claims abstract description 8
- 239000012779 reinforcing material Substances 0.000 claims abstract description 3
- 239000002759 woven fabric Substances 0.000 claims description 22
- 239000000835 fiber Substances 0.000 claims description 9
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000011800 void material Substances 0.000 claims description 5
- 239000004593 Epoxy Substances 0.000 claims description 2
- 239000002990 reinforced plastic Substances 0.000 claims 1
- 239000004744 fabric Substances 0.000 abstract description 3
- 239000004753 textile Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 18
- 239000003365 glass fiber Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 229910000737 Duralumin Inorganic materials 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000012784 inorganic fiber Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、波状及びＸ並列状織物を用いた繊維強化プラ
スチックス複合体からなるスキー板用芯材に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a core material for skis made of a fiber-reinforced plastics composite using wavy and X-parallel fabrics.
一般にスキーのねじり剛性を高くする方法としては、
■芯材を所謂サンドイッチ構造、ＢＯＸ構造にするとい
う構造上の配慮。In general, methods for increasing the torsional rigidity of skis include: -Structural considerations such as making the core material a so-called sandwich structure or box structure.
■芯材をガラス繊維、炭素繊維、ジュラルミン等の素材
で構成するという使用素材上の配慮。■The core material is made of glass fiber, carbon fiber, duralumin, and other materials.
■芯材を繊維材で構成する場合においてその繊維の配向
方向をバイアス状等にするという繊維配向上の配慮。■When the core material is made of fibers, consideration should be given to improving the fiber orientation by making the orientation direction of the fibers biased, etc.
等が考えられる。etc. are possible.
これを例えば図式的に示せば、
これらの公知事実をもとに適正なねじり剛性を得るべく
種々の実験が繰り返され、種々のスキー板用芯材２１が
提案されている。To illustrate this diagrammatically, for example, various experiments have been repeated to obtain appropriate torsional rigidity based on these known facts, and various core materials 21 for skis have been proposed.
（ａ）例えば、木材や発泡ウレタンで構成されているス
キー板用芯材２１の場合は、スキー板の長さ方向に高い
剛性を付与するものの、幅方向には高い剛性を付与し得
ない。(a) For example, in the case of the ski core material 21 made of wood or foamed urethane, although it provides high rigidity in the length direction of the ski, it cannot provide high rigidity in the width direction.
従って、これらの芯材２１により構成されたスキー板は
、所望通りの曲げ剛性を得られても、所望通りのねじり
剛性は得られないという欠点がある。Therefore, a ski constructed of these core materials 21 has the disadvantage that even if it can obtain the desired bending rigidity, it cannot obtain the desired torsional rigidity.
即ち、ある程度の硬さを持ったスキー板は得られるが、
その半面ねじれ易いスキー板となるということである。In other words, skis with a certain degree of hardness can be obtained, but
On the other hand, the skis tend to twist easily.
（ｂ）また、（ａ）に示した欠点を補うため、芯材の上
下にジュラルミンあるいは繊維強化プラスチツクススの
シートを配するという方法で所望通りのねじり剛性を得
たスキー板は、スキー板の質量が重くなり、スキー滑走
時の滑走性１回転性を損なうばかりか、構成材料増によ
るコスト高をまねいてしまうという欠点を生ずる。(b) In addition, in order to compensate for the drawbacks shown in (a), skis that have achieved the desired torsional rigidity by placing sheets of duralumin or fiber-reinforced plastics above and below the core material are The mass becomes heavy, which not only impairs the glide performance during one turn when skiing, but also increases the cost due to the increase in the number of constituent materials.
（Ｃ）また、別なスキー板として第２８．２９図に図示
したように、アルミハニカム材２２やペーパーハニカム
材に発泡ウレタン２３を充填したものをスキー板用芯材
２１とするものや、第２６．２７図に図示したように発
泡ウレタン２３にガラス繊維２４を厚さ方向に配設した
ものをスキー板用芯材２１とするものは、成形時の厚さ
に対してつぶれ防止の効果はあるものの、ねじり剛性が
十分に得られないため先の（ｂ）に示したような方法で
ねじり剛性の不足分を補っているという問題点がある。(C) As shown in FIGS. 28 and 29, other skis include skis whose core material 21 is made of aluminum honeycomb material 22 or paper honeycomb material filled with foamed urethane 23; 26.27 As shown in Fig. 27, the ski core material 21 is made of foamed urethane 23 with glass fibers 24 arranged in the thickness direction, but the effect of preventing crushing is low considering the thickness during molding. However, there is a problem in that sufficient torsional rigidity cannot be obtained, so the method shown in (b) above is used to compensate for the lack of torsional rigidity.
−ねじり剛性が十分に得られないというのは、木材１発
泡ウレタンに、ねじり剛性に寄与する繊維強化層（例え
ば斜め方向、横方向、あるいは厚さ方向に配された繊維
強化層）がないことによるものである。-The reason that sufficient torsional rigidity cannot be obtained is that the wood 1 urethane foam does not have a fiber reinforced layer that contributes to torsional rigidity (for example, a fiber reinforced layer arranged diagonally, horizontally, or in the thickness direction). This is due to
ねじり剛性を高くするには例えばジュラルミン等を使う
為一般的にはスキー板の重量が重くなる訳であるが、本
発明は、スキー板芯材の重量を抑・χつつ最適なねじり
剛性を得ることにできるスキー板用芯材を提供すること
を技術的課題とするものである。To increase torsional rigidity, for example, duralumin is used, which generally increases the weight of the ski, but the present invention achieves optimal torsional rigidity while suppressing the weight of the ski core material. The technical problem is to provide a core material for skis that can be used in various ways.
添付図面を参照して本発明の詳細な説明する。 The present invention will now be described in detail with reference to the accompanying drawings.
スキー板８長さ方向の縦断面が波状若しくはＸ並列状の
織布ｌと板状織布２とより成る立体織布３を芯材として
繊維強化プラスチックス板４を形成し、この繊維強化プ
ラスチックス板４をスキー補強材としての大きさと厚さ
を保有せしめたことを特徴とするスキー板用芯材に係る
ものである。A fiber-reinforced plastic plate 4 is formed using a three-dimensional woven fabric 3 consisting of a woven fabric 1 whose longitudinal cross-section in the longitudinal direction is wavy or X-parallel and a plate-shaped woven fabric 2 as a core material. This invention relates to a core material for a ski board characterized in that the base board 4 has the size and thickness as a ski reinforcing material.
請求項１記載の芯材の空隙部５に発泡ウレタン。Foamed urethane is used in the cavity 5 of the core material according to claim 1.
発泡エポキシのような軽量プラスチックス６を一体的に
付設したことを特徴とするスキー板用芯材に係るもので
ある。This relates to a core material for skis, which is characterized in that a lightweight plastic 6 such as foamed epoxy is integrally attached thereto.
繊維強化プラスチックス板４の外側に繊維強化プラスチ
ックスシート７を配設したことを特徴とする請求項ｌ記
載のスキー板用芯材に係るものである。A core material for a ski according to claim 1, characterized in that a fiber-reinforced plastic sheet 7 is disposed on the outside of the fiber-reinforced plastic board 4.
繊維強化プラスチックス板４の長さ方向の厚さをスキー
板８の長さ方向の厚さの変化に適応させて両端側程薄く
形成したことを特徴とする請求項ｌ記載のスキー板用芯
材に係るものである。The ski core according to claim 1, characterized in that the thickness in the longitudinal direction of the fiber-reinforced plastic plate 4 is adapted to the change in the thickness in the longitudinal direction of the ski 8, so that it is formed thinner toward both ends. It is related to materials.
本発明によるスキー板用芯材が、木材や発泡ウレタンで
形成した従来の芯材に比べ最適なねじり剛性を実現でき
るのは、断面形状が波状若しくはＸ並列状の織布１と板
状織布２とより成る立体織布３を芯材とした繊維強化プ
ラスチックス板４を使用する為で、芯材の空隙部５に軽
量プラスチックス６を配設したり、又芯材の上下に繊維
強化プラスチックスシート７を配設すると一層ねじり剛
性が向上する。The core material for skis according to the present invention can achieve optimal torsional rigidity compared to conventional core materials made of wood or urethane foam because the woven fabric 1 with a wavy or X-parallel cross-sectional shape and the plate-shaped woven fabric This is because a fiber-reinforced plastic board 4 is used with a three-dimensional woven fabric 3 consisting of 2 and 3 as a core material, and lightweight plastics 6 are placed in the void 5 of the core material, and fiber-reinforced plastics 6 are placed above and below the core material. When the plastic sheet 7 is provided, the torsional rigidity is further improved.
発明者らは次の点に着目し、本発明に至った。The inventors focused on the following points and arrived at the present invention.
イ）ねじり剛性は、次の（１）式によって表される。b) Torsional rigidity is expressed by the following equation (1).
Ｇ Ｘ ｐ ＝ α ＸＧＸＩｐ 拳 ・ ・
（１）ここで
Ｉｐ ＝βｘｗｘｈ’
ＧＩｐ：ねじり剛性 ［ｋｇ／ｍｍｔ１α、β、γ：定
数
Ｇ ：材料のねじり弾性率 ［ｋｇ／ａｍ”］（材料の
力学的パラメーター）
Ｉｐ：その材料の断面２次極モーメント ［■４］（材
料の形状パラメーター）
Ｗ ：その材料の幅 ［−■コ
ｈ ：その材料の高さ ［ｌ−］
この（１）式から、ねじり剛性を上げる為には次の点が
重要であるということがわかる。G X p = α XGXIp fist ・ ・
(1) Here, Ip = βxwxh' GIp: Torsional rigidity [kg/mmt1 α, β, γ: Constant G: Torsional modulus of material [kg/am”] (mechanical parameter of material) Ip: Cross section 2 of the material Subpolar moment [■4] (Shape parameter of material) W: Width of the material [-■koh: Height of the material [l-] From equation (1), in order to increase the torsional rigidity, the following It turns out that the points are important.
■高剛性の材料を使用する。■Use highly rigid materials.
■材料の幅を広くする。■Increase the range of materials.
■材料の厚みを厚くする。■Increase the thickness of the material.
■軽い材料を使用する。■Use light materials.
詳述すれば、
口）芯材に繊維強化層を設けることでねじり剛性を高め
ることができる。To be more specific, the torsional rigidity can be increased by providing a fiber-reinforced layer in the core material.
ハ）また、ねじり剛性は芯材に配設する繊維強化層の持
つ異方性から繊維強化層に用いられる繊 ′維を適
性に配することによっても高めることができる。c) Torsional rigidity can also be increased by appropriately arranging the fibers used in the fiber-reinforced layer due to the anisotropy of the fiber-reinforced layer provided in the core material.
二）また、芯材に配される２層の繊維強化層が一定の間
隔をもって配されている状態、いわゆるサンドイッチ構
造を有する場合は、この間隔が大きくなるとねじり剛性
が増してくる。2) In addition, in a state where two fiber-reinforced layers arranged in the core material are arranged at a constant interval, that is, a so-called sandwich structure, the torsional rigidity increases as the interval increases.
ホ）スキー滑走時の滑走性１回転性を考えると、ねじり
剛性と重さの関係も重要な要因である。e) Gliding properties when skiing When considering one-turn performance, the relationship between torsional rigidity and weight is also an important factor.
スキー板用芯材というある程度限られた体積の中におい
て、重さは材料の密度により左右される。尚、ここで、
比ねじり剛性というねじりに関する軽量化パラメーター
を定義する。Within the somewhat limited volume of ski core material, the weight is determined by the density of the material. Furthermore, here,
Define a weight reduction parameter related to torsion called specific torsional stiffness.
Ｇｖｒ＝ＧＩｌ）／ρ
ここで
Ｇｗｒ：比ねじり剛性
ρ ：その材料の密度
以上、イ）、口）、ハ）の知見を総合すると、「厚さ方
向に適性に強化繊維を配すれば、強化繊維の特性を最も
効果的に引き出せるような構造、構成になり所望通りの
ねじり剛性のスキー板用芯材を得られる。」
ということである。Gvr=GIl)/ρ where Gwr: specific torsional stiffness ρ: greater than or equal to the density of the material It is possible to obtain a core material for skis that has a structure and configuration that brings out the characteristics of the fibers most effectively, and has the desired torsional rigidity.
これに二）の知見を加えると、
「スキー板用芯材においては上下に繊維強化層を有し、
この間隔が大きければ大きいほどねじり剛性はいっそう
向上する。」
ということである。Adding knowledge 2) to this, we find that ``ski core materials have fiber-reinforced layers on the top and bottom.
The larger the distance, the more the torsional rigidity improves. "That's what it means.
一方、ホ）の知見から、
「同じねじり剛性のスキー板用芯材なら密度の小さい方
が、滑走性１回転性の良いスキー板を得ることができる
。」
ということである。On the other hand, from the knowledge in e), ``If the core material for skis has the same torsional rigidity, a ski with a smaller density can provide a ski with better glide and one-turn performance.''
従来の技術で示したように、スキー板８のねじり剛性を
向上させるためには芯材の上下に繊維強化プラスチック
スのシートを配するという方法が取られるが、これは繊
維強化層を平面状に配することになる。これは先に示し
た口）、ハ）の特性を利用したものである。As shown in the prior art, in order to improve the torsional rigidity of the ski 8, a method is used in which sheets of fiber-reinforced plastic are placed above and below the core material. It will be distributed to This makes use of the characteristics of 口) and iii) shown above.
本発明は、断面形状が波状若しくはＸ並列状の織布ｌと
板状織布２とより成る立体織布３を芯材に適する高さを
保有せしめて立体状に形成することで先に示したイ）１
口）、ハ）の特性を利用するとともに芯材の空隙部５に
軽量プラスチックス６を配設したり、また芯材の上下に
繊維強化プラスチックスシート７を配設することにより
イ）１口）、ハ）。The present invention was previously shown by forming a three-dimensional woven fabric 3 consisting of a woven fabric l having a wavy or X-parallel cross-sectional shape and a plate-like woven fabric 2 into a three-dimensional shape with a height suitable for a core material. b)1
By utilizing the characteristics of (1) and (3), and placing lightweight plastics 6 in the void 5 of the core material, and placing fiber-reinforced plastic sheets 7 above and below the core material, it is possible to ), ha).
二）の特性を利用し、従来品に比し最適なねじり剛性の
スキー板を得ることができるのである。Utilizing the second characteristic, it is possible to obtain a ski with optimal torsional rigidity compared to conventional products.
更に、これらの特長を生かしつつ、密度を従来品以下に
抑えて軽量化を図り、ホ）の特性を利用することでスキ
ー板にした際の滑走性、回転性の向上を図り、柔らかく
てねじり剛性が最適であり、且つ軽量な操作性の秀れた
スキー板が完成したのである。Furthermore, while taking advantage of these features, we reduced the density by lowering the density to less than that of conventional products, and by utilizing the characteristics of The result was a ski with optimal rigidity, light weight, and excellent maneuverability.
即ち、本発明はサンドイッチ構造でありながらＢＯＸ構
造なみのねじり剛性が得られるのである。That is, although the present invention has a sandwich structure, it is possible to obtain torsional rigidity comparable to that of a BOX structure.
図面は本発明の実施例を図示したもので以下に説明する
。The drawings illustrate embodiments of the invention and will be described below.
第１．２，３，４．５図は、スキー板８長さ方向の縦断
面が波状の織布１（ガラス繊維、カーボン繊維等の無機
繊維を用いることが望ましい。）の上下に板状織布２（
ガラス繊維、カーボン繊維等の無機繊維を用いることが
望ましい。）を織成して芯材を形成し、この芯材に強化
樹脂を含浸させて繊維強化プラスチックス板４を形成し
た場合である。Figures 1.2, 3, and 4.5 show the upper and lower sides of a woven fabric 1 (preferably made of inorganic fibers such as glass fiber or carbon fiber) having a wavy longitudinal section in the longitudinal direction of a ski 8. Woven fabric 2 (
It is desirable to use inorganic fibers such as glass fibers and carbon fibers. ) is woven to form a core material, and this core material is impregnated with a reinforcing resin to form a fiber reinforced plastics board 4.
この場合芯材として他に採用可能なものは第６〜１０図
のタイプがあり、繊維強化プラスチックス板４として他
に採用可能なものは第１１〜２４図のものがある（第１
３．１４．１７．１８，２０，２３．２４図は板状織布
２に繊維強化プラスチックスシート７を積層せしめたタ
イプである）。In this case, other materials that can be used as the core material include the types shown in Figures 6 to 10, and other types that can be used as the fiber reinforced plastic board 4 include those shown in Figures 11 to 24
3.14.17.18, 20, 23.24 Figures show a type in which a fiber-reinforced plastic sheet 7 is laminated on a plate-like woven fabric 2).
尚、第１５〜２４図は、空隙部５に軽量プラスチックス
６として発泡ウレタンを充填した場合を示している。15 to 24 show the case where the void 5 is filled with foamed urethane as the lightweight plastic 6.
図中符号９は、ＡＢＳ）ツブシート、符号１０はエツジ
間シート（ガラス繊維等の繊維強化樹脂シート）、符号
１１はトップエツジ、符号１２はボトムエツジ、符号１
３はＡＢＳサイドシート、符号Ｉ４は滑走シートである
。In the figure, reference numeral 9 is an ABS) flat sheet, 10 is an edge-to-edge sheet (fiber-reinforced resin sheet such as glass fiber), 11 is a top edge, 12 is a bottom edge, and 1
3 is an ABS side seat, and code I4 is a sliding seat.
スキー板は上級者用のスキー板になればなるほど高いね
じり剛性を求められる。前記実施例でも求めるねじり剛
性を得られない場合は、芯材の外側に配したエツジ間シ
ート１０をバイヤス方向に繊維を配したバイヤス繊維強
化プラスチックスシートとする。The higher the torsional rigidity of skis is required of skis for advanced skiers. If the desired torsional rigidity cannot be obtained even in the above embodiments, the edge-to-edge sheet 10 disposed outside the core material may be a bias fiber-reinforced plastic sheet with fibers disposed in the bias direction.
このような構造、構成をなすことによって所望通りのね
じり剛性を実現することが可能となる。With such a structure and configuration, it is possible to achieve desired torsional rigidity.
実施例に係る芯材の織布ｌの高さ、織布ｌの波又はＸの
間隔、織布ｌ又は板状織布２の材質・含浸樹脂等を種々
設定することにより所望の最適なねじり剛性を有する芯
材が得られることは勿論である。The desired optimum twist can be achieved by variously setting the height of the woven fabric l of the core material, the interval between waves or Of course, a core material having rigidity can be obtained.
また、スキー板用芯材の長さに対する厚さ分布に対応し
て波状あるいはＸ並列状の織布ｌの高さが変化するよう
に設計しても良い。第１．２．３ 。Further, the height of the wavy or X-parallel woven fabric l may be designed to vary depending on the thickness distribution with respect to the length of the ski core material. Section 1.2.3.
４．５図はこのタイプを採用した場合であり、第２５図
は織布ｌの高さを変化させず一定にしたものを採用した
場合である。Figure 4.5 shows the case where this type is adopted, and Figure 25 shows the case where the height of the woven fabric l is kept constant without changing.
尚、第３０図として本発明に係る実施例（第１図に図示
した芯材）と従来例の芯材との比較したデータを示す。Incidentally, FIG. 30 shows comparison data between an example of the present invention (the core material shown in FIG. 1) and a conventional core material.
この第３０図から実施例に係るスキー板用芯材の幅方向
の曲げ弾性率が従来品に比し、著しく高いことが明確に
判断できる。From FIG. 30, it can be clearly seen that the flexural modulus in the width direction of the ski core material according to the example is significantly higher than that of the conventional product.
本発明によるスキー板用芯材は、上述のように構成した
から従来のスキー板用芯材に比し、最適なねじり剛性を
スキー板に付与する得ることが可能となり、また、軽量
プラスチックスや繊維強化プラスチックスシートを配設
することにより一層ねじり剛性を向上せしめることがで
きる上略量化も可能にして滑走性、回転性に秀れたスキ
ー板を製造し得ることになる。Since the core material for skis according to the present invention is constructed as described above, it is possible to impart optimum torsional rigidity to skis compared to conventional core materials for skis, and it is also possible to provide skis with optimal torsional rigidity, and also to be made of lightweight plastics. By disposing the fiber-reinforced plastic sheet, it is possible to further improve the torsional rigidity and also to substantially reduce the weight, thereby making it possible to manufacture skis with excellent glide and rotation performance.
第１図は本発明の芯材を使用したスキー板の説明断面図
、第２は第１図における要部の拡大断面図、第３図は第
１図におけるＡ−Ａ線断面図、第４．６．７ 、ＩＩＩ
、９．１０図は立体織布の説明図、第５゜１１．１２
，１３，１４，１５．１Ｂ、１７．１Ｂ、１９，２０，
２１．２２．２３．２４図は繊維強化プラスチックス板
の説明図、第２５図は芯材の側倒の説明側面図、第２６
．２７図は従来例の説明側面図及び説明平面図、第２８
．２９図は別従来例の説明側面図及び説明平面図、第３
０図は本発明と従来例の比較データを示す表である。
１・・・織布、２・・・板状織布、３・・立体織布、４
・・・繊維強化プラスチックス板、５・・・空隙部、６
・・・軽量プラスチックス、７・・・繊維強化プラスチ
ックスシート、８・・・スキー板。
平成２年１０月２７日
出願人 株式会社 有夫製作所
発明者 １） 中 浩
同 青 山 益 夫代理
人 吉 井 昭 栄
プｂ鵡
！
７１７贋つ
ｆ
さ１５を
７θ−
”Ｎ’２ｆｓつ
−７／ ６ ／り３
゛メ７．ａ
”ｌ）Ｉｔ）ｍ
プＩＩＩＪＩＪ
ツク席
ｉｔ′
・プｚ６必
２？
７猪め
ｉ ｚ？
ス２７ん
一１２θ４わ
、ｌ ダ
手続補正書（方式）
平成 ３年 ２月２０日
ｌ 事件の表示
平成 ２年 特願第２８９０８４号
２ 発明の名称
スキー板用芯材
３ 補正をする者
事件との関係 特許出願人
株式会社 有沢製作所
４代理人
５ 補正命令の日付 平成 ３年 １月２８日６ 補
正の対象 明細書中「図面の簡単な説明」の欄特願
平２−２８９０８４号手続補正書本願に関し、明細書中
下記の個所を補正する。
記
ｌ 第１４頁第１行目〜第２行目の１第２は第１図にお
ける要部の拡大断面図、」とあるを「第２図は第１図に
おける要部の拡大断面図、」と補正する。
平成 ３年 ２月２０日
出願人 株式会社 有沢製作所
代理人 吉 井 昭 栄Figure 1 is an explanatory cross-sectional view of a ski using the core material of the present invention, Figure 2 is an enlarged cross-sectional view of the main part in Figure 1, Figure 3 is a cross-sectional view taken along the line A-A in Figure 1, and Figure 4 is an explanatory cross-sectional view of a ski using the core material of the present invention. .6.7, III
, 9.10 is an explanatory diagram of three-dimensional woven fabric, 5゜11.12
,13,14,15.1B,17.1B,19,20,
Figures 21, 22, 23, and 24 are explanatory diagrams of the fiber-reinforced plastics board, Figure 25 is an explanatory side view of the core material falling sideways, and Figure 26 is an explanatory diagram of the fiber-reinforced plastic board.
．． 27 is an explanatory side view and an explanatory plan view of the conventional example, and No. 28
．． Figure 29 is an explanatory side view and an explanatory plan view of another conventional example, the third
FIG. 0 is a table showing comparative data between the present invention and the conventional example. 1... Woven fabric, 2... Plate woven fabric, 3... Three-dimensional woven fabric, 4
...Fiber-reinforced plastics plate, 5...Void portion, 6
...Lightweight plastics, 7.Fiber-reinforced plastic sheets, 8.Skis. October 27, 1990 Applicant: Ario Seisakusho Co., Ltd. Inventor: 1) Hirotoshi Naka, Masuo Aoyama, Agent, Akira Yoshii, Eipu b! 717 fake f sa15 7θ- ”N'2fstsu-7/6/ri3 ゛me7.a ”l)It)m puIIIJIJ tsuku seat it' ・puz6necessary 2? 7 boar i z? Su27n112θ4wa, l Da Procedural Amendment (Method) February 20, 1991 l Display of Case 1990 Patent Application No. 289084 2 Name of Invention Ski core material 3 Person making the amendment Case and Relationship Patent applicant Co., Ltd. Arisawa Seisakusho 4 Agent 5 Date of amendment order January 28, 1991 6 Subject of amendment Patent application in the "Brief explanation of drawings" column in the specification
No. 2-289084 Procedural Amendment Regarding the present application, the following portions of the specification are amended. Note 1, page 14, lines 1 to 2, 1, 2 is an enlarged cross-sectional view of the main part in Fig. 1,'' replaced with ``Fig. 2 is an enlarged cross-sectional view of the main part in Fig. 1,'' ” he corrected. February 20, 1991 Applicant Arisawa Seisakusho Co., Ltd. Agent Akie Yoshii
Claims (1)
の織布と板状織布とより成る立体織布を芯材として繊維
強化プラスチックス板を形成し、この繊維強化プラスチ
ックス板をスキー補強材としての大きさと厚さを保有せ
しめたことを特徴とするスキー板用芯材。 ２ 請求項１記載の芯材の空隙部に発泡ウレタン、発泡
エポキシのような軽量プラスチックスを一体的に付設し
たことを特徴とするスキー板用芯材。 ３ 繊維強化プラスチックス板の外側に繊維強化プラス
チックスシートを配設したことを特徴とする請求項１記
載のスキー板用芯材。 ４ 繊維強化プラスチックス板の長さ方向の厚さをスキ
ー板の長さ方向の厚さの変化に適応させて両端側程薄く
形成したことを特徴とする請求項１記載のスキー板用芯
材。[Scope of Claims] 1. A fiber-reinforced plastic board is formed using a three-dimensional woven fabric as a core material, which is composed of a woven fabric whose vertical cross section in the longitudinal direction of the ski is wavy or X-parallel, and a plate-like woven fabric, and this fiber A core material for skis characterized by a reinforced plastic board having the size and thickness required as a ski reinforcing material. 2. A core material for skis, characterized in that a lightweight plastic such as foamed urethane or foamed epoxy is integrally attached to the void portion of the core material according to claim 1. 3. The core material for a ski according to claim 1, further comprising a fiber-reinforced plastic sheet disposed on the outside of the fiber-reinforced plastic board. 4. A core material for a ski according to claim 1, wherein the thickness of the fiber-reinforced plastic plate in the longitudinal direction is made thinner toward both ends so as to adapt to changes in the thickness of the ski in the longitudinal direction. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2289084A JPH0824733B2 (en) | 1990-10-27 | 1990-10-27 | Ski core material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2289084A JPH0824733B2 (en) | 1990-10-27 | 1990-10-27 | Ski core material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04164467A true JPH04164467A (en) | 1992-06-10 |
| JPH0824733B2 JPH0824733B2 (en) | 1996-03-13 |
Family
ID=17738618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2289084A Expired - Lifetime JPH0824733B2 (en) | 1990-10-27 | 1990-10-27 | Ski core material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0824733B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6502849B1 (en) | 1997-06-20 | 2003-01-07 | Fuji Jukogyo Kabushiki Kaisha | Skid plate |
| FR2881660A1 (en) * | 2005-02-08 | 2006-08-11 | Salomon Sa | SLIDING OR ROLLING BOARD WITH COMPOSITE STRUCTURE |
| JP2009501610A (en) * | 2005-07-18 | 2009-01-22 | エラン，ディー．オー．オー． | Ski or snowboard with improved torsional stiffness |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52132936A (en) * | 1976-04-30 | 1977-11-08 | Nippon Gakki Seizo Kk | Ski body |
| JPS52147129A (en) * | 1976-06-02 | 1977-12-07 | Nippon Gakki Seizo Kk | Production method of ski |
-
1990
- 1990-10-27 JP JP2289084A patent/JPH0824733B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52132936A (en) * | 1976-04-30 | 1977-11-08 | Nippon Gakki Seizo Kk | Ski body |
| JPS52147129A (en) * | 1976-06-02 | 1977-12-07 | Nippon Gakki Seizo Kk | Production method of ski |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6502849B1 (en) | 1997-06-20 | 2003-01-07 | Fuji Jukogyo Kabushiki Kaisha | Skid plate |
| FR2881660A1 (en) * | 2005-02-08 | 2006-08-11 | Salomon Sa | SLIDING OR ROLLING BOARD WITH COMPOSITE STRUCTURE |
| WO2006085004A1 (en) * | 2005-02-08 | 2006-08-17 | Salomon S.A. | Sliding or rolling board having a composite structure |
| JP2009501610A (en) * | 2005-07-18 | 2009-01-22 | エラン，ディー．オー．オー． | Ski or snowboard with improved torsional stiffness |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0824733B2 (en) | 1996-03-13 |
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