JPH0549337U

JPH0549337U - Helmet hat body

Info

Publication number: JPH0549337U
Application number: JP11234491U
Authority: JP
Inventors: 泰男一瀬
Original assignee: 一瀬産業株式会社
Priority date: 1991-12-02
Filing date: 1991-12-02
Publication date: 1993-06-29

Abstract

(57)【要約】【目的】軽量、安全にして表面特性に優れたヘルメッ
ト帽体を提供する。【構成】１以上のアラミド繊維プリプレグ層と１以上
の炭素繊維プリプレグ層とを炭素繊維プリプレグ層を最
外層として積層し成型硬化させた複合構造のヘルメット
帽体。 (57) [Summary] [Purpose] To provide a helmet cap body that is lightweight, safe, and has excellent surface characteristics. [Structure] A helmet cap body having a composite structure in which one or more aramid fiber prepreg layers and one or more carbon fiber prepreg layers are laminated as a carbon fiber prepreg layer as an outermost layer and molded and cured.

Description

【考案の詳細な説明】[Detailed description of the device]

【０００１】[0001]

【産業上の利用分野】[Industrial applications]

本考案はヘルメット（保護帽、安全帽等とも称する）の帽体に関する。 The present invention relates to a cap body of a helmet (also referred to as a protective cap, a safety cap, etc.).

【０００２】[0002]

【従来技術とその課題】[Prior art and its problems]

ヘルメットは各種工場その他の作業場などで広く使用されており、日本工業規格における産業用安全帽についての規格や労働省の保護帽の規格等で一定の規格が設けられ着用者の安全が図られている。 Helmets are widely used in various factories and other workplaces, and certain standards have been established, such as the standards for industrial safety caps under the Japanese Industrial Standards and the standards for protective caps by the Ministry of Labor, to ensure the safety of the wearer. There is.

【０００３】その種類、形状も多岐に亘っているが、主流はガラス繊維強化樹脂による略半球形状のものである。Although there are various types and shapes, the mainstream is a substantially hemispherical shape made of glass fiber reinforced resin.

【０００４】従来用いられているヘルメットの大きな課題として重量と飛来・落下物に対する安全性がある。実用されているヘルメットの多くは前記した規格を満たす必要上重量が３００ｇ以上あり、特に長時間着用における人体に対する健康上の影響はかなりのものである。また上記したような重量にもかかわらず飛来・落下物に対しては安全性が十分とはいえず、より軽量にしてより安全な帽体の開発が望まれている。[0004] The major problems of the helmets that have been conventionally used are weight and safety against flying and falling objects. Most of the helmets in practical use have a weight of 300 g or more in order to meet the above-mentioned standards, and have a considerable health effect on the human body especially when worn for a long time. In addition, despite the above weight, it cannot be said that safety is sufficient for flying and falling objects, and development of a lighter and safer cap body is desired.

【０００５】本考案者は炭素繊維とアラミド繊維との組合せによりこれらの課題を解決しうることを知見したが、実用上平滑表面の形成や塗装上問題があることを知見した。The present inventor has found that a combination of carbon fiber and aramid fiber can solve these problems, but has found that there is a problem in practically forming a smooth surface and coating.

【０００６】本考案の目的は軽量にして特に飛来・落下物に対する安全性に優れると共にその外表面特性、特に平滑性、塗装性に優れるヘルメット帽体を提供することにある。An object of the present invention is to provide a helmet cap body which is light in weight, particularly excellent in safety against flying and falling objects, and excellent in its outer surface characteristics, particularly smoothness and paintability.

【０００７】[0007]

【課題を解決するための手段】本考案のヘルメット帽体は少なくとも１のアラミド繊維プリプレグ層と少なくとも１の炭素繊維プリプレグ層を炭素繊維プリプレグ層を最外層として積層し成型硬化させてなる構成を有する。Means for Solving the Problems The helmet cap body of the present invention is configured by laminating at least one aramid fiber prepreg layer and at least one carbon fiber prepreg layer as a carbon fiber prepreg layer as an outermost layer, followed by molding and curing. Have.

【０００８】本考案のヘルメット帽体の製造に当っては炭素繊維プリプレグとアラミド繊維プリプレグを用意する。プリプレグはそれぞれの繊維からなる織物等の布帛にエポキシ樹脂、不飽和ポリエステル樹脂等の熱硬化性樹脂を含浸した成型用シート状物であり、それぞれ１枚以上のプリプレグを積層し、ヘルメット帽体形状をもつ型を用いて加熱加圧して成型及び樹脂の硬化を行う。In manufacturing the helmet cap body of the present invention, a carbon fiber prepreg and an aramid fiber prepreg are prepared. A prepreg is a molding sheet made by impregnating a fabric such as a woven fabric with a thermosetting resin such as an epoxy resin or an unsaturated polyester resin. Each prepreg is laminated with one or more prepregs to form a helmet cap body. Molding and curing of resin are performed by heating and pressing with a mold having a shape.

【０００９】本考案ではヘルメット帽体の少なくとも最外層にアラミド繊維層ではなく炭素繊維層を配する。最内装も炭素繊維層であることが好ましい。According to the present invention, a carbon fiber layer is provided on at least the outermost layer of the helmet cap body instead of the aramid fiber layer. The innermost layer is also preferably a carbon fiber layer.

【００１０】成型硬化後からヘルメット帽体形状の成型体を取り出し、離型剤を除去するため表面に研摩材を吹き付け研摩する。その際アラミド繊維層が、最外層にあるとアラミド繊維の毛羽立ちが残り平滑面を得ることが困難になると共に塗装面も不均一化する。これに対し最外層が炭素繊維の場合は強度等の物性が最大限に発揮され軽量にして飛来・落下物に対しても従来みられない低抗性を示すと共に研摩により毛羽立ち等のない平坦表面を与え少ない塗料使用量で均一な塗装面を得ることが可能となる。After the molding and curing, the molded body in the shape of a helmet cap is taken out, and in order to remove the mold release agent, an abrasive is sprayed on the surface for polishing. At that time, if the aramid fiber layer is the outermost layer, the fluffing of the aramid fiber remains and it becomes difficult to obtain a smooth surface, and the coated surface becomes uneven. On the other hand, when the outermost layer is carbon fiber, the physical properties such as strength are maximized, the weight is lightened, and the resistance to flying and falling objects is unprecedented, and the flat surface is free from fluffing due to polishing. It is possible to obtain a uniform coated surface with a small amount of paint used.

【００１１】図１はヘルメット帽体の概略断面図であり、図２は図１のＡ−Ｂの拡大概略断面図である。FIG. 1 is a schematic cross-sectional view of a helmet cap body, and FIG. 2 is an enlarged schematic cross-sectional view taken along the line AB of FIG.

【００１２】図２はアラミド繊維織物のプリプレグ１を炭素繊維織物２，２′間に挟んで積層し成型硬化した例を示している。３は塗装を示す。FIG. 2 shows an example in which a prepreg 1 made of an aramid fiber woven fabric is sandwiched between carbon fiber woven fabrics 2 and 2 ′, laminated and molded and cured. 3 shows painting.

【００１３】実施例：２枚の炭素繊維トレカ（東レ（株）商品名）織物のプリプレグ間にアラミド繊維ケブラー（デュポン社商品名）織物のプリプレグを挟み離型材を塗布した型を用いてヘルメット帽体に成型した。表面を研摩材粉末を吹き付けて研摩したところ平坦面となり、黄色塗料できれいな塗装面が得られた。これに対しケブラー層を最外層にした場合同様の研摩材処理では平坦表面は得られなかった。このヘルメット帽体は２５０ｇで飛来・落下物に対し従来品にない安定性を示した。Example: Helmet using a mold in which a prepreg of aramid fiber Kevlar (trade name of DuPont) fabric is sandwiched between two prepregs of carbon fiber trading card (trade name of Toray Co., Ltd.) and a release material is applied. Molded into a hat body. When the surface was polished by spraying abrasive powder, it became a flat surface, and a clean painted surface was obtained with the yellow paint. On the other hand, when the Kevlar layer was the outermost layer, the same abrasive treatment did not give a flat surface. This Helmet cap body weighed 250 g and exhibited stability that was unmatched by conventional products against flying and falling objects.

【図面の簡単な説明】[Brief description of drawings]

【図１】ヘルメット帽体の概略断面図である。FIG. 1 is a schematic sectional view of a helmet cap body.

【図２】ヘルメット帽体の部分拡大断面図である。FIG. 2 is a partially enlarged sectional view of a helmet cap body.

【符号の説明】[Explanation of symbols]

１アラミド繊維層２，２′ 炭素繊維層３塗装 1 aramid fiber layer 2, 2'carbon fiber layer 3 coating

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

【請求項１】少なくとも１のアラミド繊維プリプレグ
層と少なくとも１の炭素繊維プリプレグ層を炭素繊維プ
リプレグ層を最外層として積層し成型硬化させてなるヘ
ルメット帽体。1. A helmet cap body formed by laminating at least one aramid fiber prepreg layer and at least one carbon fiber prepreg layer, with the carbon fiber prepreg layer as the outermost layer, and molding and curing.