JP2004278978A - Edge-proof material and edge-proof clothing using the same - Google Patents

Edge-proof material and edge-proof clothing using the same Download PDF

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Publication number
JP2004278978A
JP2004278978A JP2003073469A JP2003073469A JP2004278978A JP 2004278978 A JP2004278978 A JP 2004278978A JP 2003073469 A JP2003073469 A JP 2003073469A JP 2003073469 A JP2003073469 A JP 2003073469A JP 2004278978 A JP2004278978 A JP 2004278978A
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JP
Japan
Prior art keywords
blade
resistant
resistant material
plate
edge
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JP2003073469A
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Japanese (ja)
Inventor
Yuki Ninomiya
有希 二ノ宮
Toshiji Moriwaki
淑次 森脇
Naoki Imaeda
直樹 今枝
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Toray Industries Inc
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Toray Industries Inc
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Application filed by Toray Industries Inc filed Critical Toray Industries Inc
Priority to JP2003073469A priority Critical patent/JP2004278978A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an edge-proof material and the edge-proof clothing using the same, simultaneously having the edge-proof safety to a fine cutting tool such as an ice pick, the air permeability, and the flexibility (bendability and contraction property). <P>SOLUTION: This edge-proof material is composed of a plurality of edge-proof small plates, the edge-proof small plates are arranged on the backing fabrics composed of mesh fabric in an overlapped state to bury clearance gaps among the edge-proof small plates, and the edge-proof small plates are fixed to the backing fabrics at their one side. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
本発明は、耐刃材および耐刃衣料に関し、より詳しくは、耐刃性はもとより、通気性およびフィット性に優れた耐刃材と、それを用いた、着用性および活動性に優れた快適な耐刃衣料に関する。
【0002】
【従来の技術】
耐刃を目的とした防護材は、アイスピックなど鋭利な刃物に対する耐突き刺し性を得るために、耐刃板の表面と裏面間の通気性が持たれてない設計とされていた。また、耐突き刺し性を向上させるために、硬い耐刃板が用いられてきたため伸縮性が得られず、着用時には身体の動きが制約されがちであった。
【0003】
そこで、かかる防護材の伸縮性を得るために、横方向に耐刃板を並べて構成された複数の耐刃帯の上端を固定垂下した構成が提案されている(例えば、特許文献1参照)。しかしながら、このような構成では、依然として通気性の十分なものは得られていなかった。とくに、夏場に着用者が警備やパトロールなどの職務で長時間に渡って着用する場合には、汗による蒸れが大きな問題となる。そこで、通気性や蒸れ減少を考慮した快適な耐刃衣料として、耐刃板と身体との間に間隙を持たせて、汗のベトつき感を軽減する構成が提案されている(例えば、特許文献2参照)。しかし、この構成のみでは通気性は十分とはいえず、快適な着用感は耐刃板に通気用の小孔を開けることで得られていたので、細い刃物に対する安全性には問題があるものであった。
【0004】
また、金属を用いながらも身体へのフィット性を有する物には、刃物の滑り止めとして凹凸加工を施された金属小板を、基布に多数配列しビス留めするものがあった。このような構成にすることで、高い耐突き刺し性を有すると共に身体に対してフィット性が得られていたが、基布に布帛を用いていたため通気性が大きいとは言えなかった(例えば、特許文献3参照)。
【0005】
身体にフィットする柔軟性と通気性の問題点を同時に解決する従来の方法としては、凹凸の加工を施した複数の金属板小片をそれらの辺が互いに重なるように緩くリベット留めした構成で曲げ性と耐貫通性を高めつつ、金属板小片に多数の小孔を空けて通気性を持たせたものがあった。しかし、通気用小孔を有する耐刃衣料は、通気用小孔径より細い針状の刃物で受災した場合、たまたま小孔部に当たったならば貫通しやすく受傷する恐れがあった。また上記構成のため、曲げ柔軟性は有するものの、耐刃板面方向の縮み性については十分でなかった。また、このような耐刃板構造の複雑さは、コストがかかる原因にもなった(例えば、特許文献4参照)。
【0006】
【特許文献1】
特開2002−156200号公報
【0007】
【特許文献2】
特開平9−105007号公報
【0008】
【特許文献3】
実公平6−39268号公報
【0009】
【特許文献4】
特開2001−12899号公報
【0010】
【発明が解決しようとする課題】
本発明は、従来の技術の上述の問題点を解決し、アイスピック等の細い刃物も含めた耐刃安全性と通気性、柔軟性(曲げ性、縮み性)とを同時に有する耐刃材およびそれを用いた耐刃衣料を提供せんとするものである。
【0011】
【課題を解決するための手段】
本発明は、かかる課題を解決するため次の構成を有する。すなわち、本発明の耐刃材は、複数の耐刃小板からなる耐刃材であって、耐刃小板は、メッシュ地からなる基布に、耐刃小板間の隙間を埋めるように重なって配置され、かつ、耐刃小板の一辺が基布に固着していることを特徴とするものである。
【0012】
【発明の実施の形態】
本発明の耐刃材は、複数の耐刃小板からなり、耐刃小板はメッシュ地からなる基布に、耐刃小板間の隙間を埋めるように重なって配置され、かつ、耐刃小板の一辺が基布に固着してなる。基布に耐刃小板の1辺を固着することで、耐刃小板同士が耐刃材面方向にスライドすることが可能となり、耐刃材全体としては、耐刃材の面方向に縮むことが可能な柔軟な構成となっている。ここで、固着とは、糊付け、リベット留め等で耐刃小板を基布に直接取り付けることをいう。また、耐刃小板は、互いの隙間が埋まるように重ねて配置されているので、耐刃小板間の隙間から刃物が直接貫入するという問題は起こりにくい。
【0013】
本発明で言う耐刃小板とは、金属、樹脂等からなる板状のものをいい、特にチタン、アルミ合金、ステンレスからなる小板が耐刃効果を発揮する。上記の素材の耐刃小板を用いることにより、耐刃性能を有し、かつ安全で軽量な耐刃材が得られる。小板の面積は、4cm〜400cmの範囲内に、厚さは0.1mm〜10mmの範囲内にある耐刃性能を有する材料が好ましく、必要に応じ湾曲させたり、凹凸加工を施すことで刃物が滑ることによる2次災害を軽減できる。
【0014】
また、耐刃小板の形状を、概ね四角形もしくは六角形の様な形状をとることにより、隣り合う耐刃小板間の隙間を無駄なく埋めることが可能となる。また、曲げの動きに対してより柔軟性が得られる。
【0015】
本発明におけるメッシュ地からなる基布とは、基布の表裏間で網状の隙間を有することで通気性を確保できるものを言い、固着した耐刃小板の重さに耐える強度と、身体に装着する際に好適な柔軟性を併せ持つことが好ましい。特に、JIS L1096 6.15 A−1法(シングルタング法)で定める引き裂き強さが0.3N以上、JIS L1096 6.12 A法(ストリップ法)で定める引張強さが1N/3cm以上、JIS L1096 6.19 A法(45°カンチレバー法)で定める剛軟度が5〜14cmの範囲内に有ることが好適である。
【0016】
基布の開口率は、30%〜80%の範囲内にあることが好ましい。ここで、開口率とは、基布表面積に対する基布表裏間の空隙面積の割合を表し、好ましい例としては、糸径0.5mmのナイロン繊維を縦横それぞれ1mmおよび2mmピッチで編んだラッセル編物(開口率57%)がある。メッシュ地からなる基布を本発明の耐刃材に用いることで、耐刃材を装着して激しく運動した後での従来の耐刃材に特有の密閉感は解消される。
【0017】
メッシュ地からなる基布としては、ラッセル編物を用いることができ、強度を高めるために、樹脂加工等の加工が施されていても良い。これらの中でも 肌触りや柔軟性といった快適性や強度の面から、ナイロンラッセルモジネット6×62mmが特に好ましい。
【0018】
上記のように、それ自体通気性のあるメッシュ地の基布に、耐刃小板の1辺のみを固定し、互いの耐刃小板の辺々が重なるように取り付けられているので、耐刃小板の重なり部の一部に、耐刃小板面の略平行方向に隙間ができ、その結果、耐刃材の表裏間での通気性が確保されることになる。なおこの隙間は、耐刃小板面の平行方向に空いた隙間であり、耐刃板面の垂直方向には、隙間はないので耐刃性能は確保される。
【0019】
また、上述の耐刃材を複数積層して耐刃材を構成することも好ましい。積層方法としては、耐刃小板どうしの重なり部が、積層した耐刃材間で重ならないように、耐刃材を耐刃板面方向に平行移動する方法、層ごとに異なる配列や、異なる素材の耐刃材を用いる方法等がある。耐刃板面方向に平行移動して積層することで、耐刃小板間の重なり部に生まれる耐刃材の厚い部分つまり耐刃性能の高い部位が、積層した耐刃材間で重ならない構成となり、材料を有効利用できる。また、層ごとに異なる配列を用いる場合には、例えば身体側の層に小さいサイズの耐刃小板で構成された耐刃材を、表面側の層に大きいサイズの耐刃小板で構成された耐刃材を用いることで、耐刃板が身体によりフィットしやすい構成となる。また、層ごとに異なる素材の耐刃材を用いる場合には、例えば表面側の層に硬い素材の耐刃小板を用いて刃物の先端をつぶし、身体側の層に軽量な素材の耐刃小板を用いることで効率よく刃物を止めることができ、全体として軽量な耐刃板の構成となる。さらに、耐刃材を複数層の積層にすることで、万一刃物が1層目の耐刃材を貫入した場合でも、次の層の耐刃材で刃物の侵入を阻止することができる。
【0020】
耐刃材を積層する際に、耐刃小板間の隙間を埋める耐刃小板の重なり方向が異なる耐刃材が少なくとも一層積層されていることも好ましい。この様な構成にすることで、刃物が耐刃小板の重なり部の隙間から身体側に鋭角に滑り込むようにして侵入してきた場合でも、耐刃小板の重なり方向が異なる層での耐刃材上では、耐刃小板間の隙間の開口方向が刃物の進行方向とは逆方向となるため、刃物は滑るのみで身体側への侵入を防ぐことが可能となる。
【0021】
本発明の耐刃衣料は、上述の耐刃材を有することを特徴とする。耐刃衣料とは、耐刃材を挿入あるいは装着あるいは取り付け等が可能な、チョッキ型もしくはYシャツ型もしくは勤務に従事する制服などにカモフラージュされた衣料等を表す。このような構成にすることで本発明の耐刃材がより実用的な状態となる。なお、防護部位に応じて、本発明の構成の耐刃材とともに他の構成もしくは素材の防護材を組み合わせて用いることもできる。
【0022】
以下、本発明の好ましい実施の形態を、図面を用いて説明する。
【0023】
図1は、本発明の耐刃材の一例を示した図である。四角形の耐刃小板1、2を辺々重ねて配置することで、耐刃小板の間隙における耐刃性強度不足を補うことができる。また耐刃小板1、2の重なり部分で耐刃小板面の並行方向に隙間が生じるため、メッシュ地からなる基布4と併用することで、耐刃板の表裏間に通気性が得られる。耐刃小板1、2は、その上辺のみをリベット3で基布4に固定され下端が可動になっているため、耐刃板全体として曲げ性および耐刃板面方向の縮み性を有し、腹部を屈曲する際にも違和感を覚えない構成となっている。また、耐刃小板の形状に、六角形、三角形などの多角形のものを用いても、本実施の形態の四角形と同様に無駄なく防護部位を埋めることができ、材料を有効利用できる。
【0024】
耐刃材を積層した構成のものについては、上述のように、耐刃小板の重なり方向が異なる耐刃材(以下、逆構成の耐刃材という)が少なくとも一層積層されていることが好ましい。例えば、図1の配列の耐刃材と合わせて用いるならば、図2の配列の耐刃材を逆構成の耐刃材として用いるのが好ましい。このような組み合わせの積層構成にすることで、上述の効果が得られる。
【0025】
本発明の耐刃板は、チョッキ状衣料等と組み合わせて耐刃衣料として用いられる。チョッキ状衣料への取り付け方法としては、予めチョッキ状衣料にポケットのような挿入口を設けておき耐刃材を挿入する方法や、面ファスナーなどで固定する方法等が好ましい。また、チョッキ状衣料の種類については、インナー型としてナイロンメッシュ等を用いて作られたものや、アウター型として制服などの衣料の内側に耐刃板を取り付ける態様にしたものなどが好ましい。
【0026】
【実施例】
以下、実施例により本発明をさらに詳しく説明する。
【0027】
なお、本発明はこれらに限定されるものではない。
【0028】
実施例1
後述する図1、図2に示した計2層の耐刃材を積層して、1枚の耐刃材とした。耐刃小板としては、5cm角の四角形に加工した厚さ0.8mmのチタンを第1層目の耐刃材に、厚さ0.4mmのものを第2層目の耐刃材に用いた。基布には、ナイロンラッセルモジネット6×6 2mmを用い、その剛軟度は11.8cm、引き裂き強さは0.9N、引っ張り強さは3.8N/3cm、開口率は、57%であった。
【0029】
第1の耐刃材は、図1に示す配置で耐刃小板を基布上に並べ、それぞれの上辺2カ所をリベット留めし基布に固着した。耐刃小板上のリベット留めの位置は、図3に示した。図中の耐刃小板AおよびBの塗り分けは、図1と図3で対応している。また、図中の値は、それぞれa=1.0cm、b=1.5cm、c=0.5cmである。
【0030】
横方向の耐刃小板の隙間は、図1(b)に示すように耐刃材右側の耐刃小板が紙面手前側に来るように重ね、重なりの長さは、0.5cmである。縦方向の耐刃小板の隙間は、図1(c)に示すように耐刃小板上側の耐刃小板が紙面手前側に来るように重ね、重なり長さは、1.0cmである。
【0031】
第2の耐刃材は、図2に示す配置で耐刃小板を基布上に並べ、それぞれの下辺2カ所をリベット留めし基布に固着した。耐刃小板CおよびD上のリベット留めの位置は、図4に示した。図中の耐刃小板の塗り分けは、図2と図4で対応している。また図中の値はそれぞれa=1.0cm、b=1.5cm、c=0.5cmである。
【0032】
横方向の耐刃小板の隙間は、図2(b)に示すように耐刃材左側の耐刃小板が紙面手前側に来るように重ね、重なりの長さは、0.5cmである。縦方向の耐刃小板の隙間は、図2(c)に示すように耐刃小板下側の耐刃小板が紙面手前側に来るように重ね、重なり長さは、1.0cmである。
【0033】
第1と第2の耐刃材を、図5に示すように縦横それぞれ2cmづつずらして積層し、その外側をナイロンメッシュで覆い、外周に沿って縫製し耐刃材を作成した。この耐刃材は、ナイロンメッシュ製のチョッキに挿入し使用する。
【0034】
以上のような構成をとることで、各耐刃小板が半自由に動くため、耐刃材の屈曲性が得られ身体に対するフィット性が良好であった。また、座った際に腹部が屈曲した時にも、耐刃材が耐刃材面に並行方向に縮むため、胸元へのせりあがりによる圧迫感は感じられなかった。運動後の発汗時においても蒸れが少なく、べとつき感もなかった。また、耐刃性能は、アイスピック、バタフライナイフ、出刃包丁について25Jで不貫通であった。
【0035】
実施例2
チタンのt0.4mm×50mm×50mmおよび実施例1と同じナイロンラッセルモジネットを用いた図1の配置の耐刃材を2層、図2の配置の耐刃材を1層を、各耐刃材を縦に2cm、横に2cmずらして積層させ、図1の配置、図2の配置、図1の配置の順に積層させ計3層の構成とした。この厚さのチタンを組み合わせて用いることで耐刃材面上任意の箇所において25Jのアイスピック、バタフライナイフ、出刃包丁を用いた落下貫通試験で不貫通となった。また、各耐刃材は互いにずらして積層しているので、強度のある耐刃小板の重なり部が耐刃板間で重ならないように積層できた。耐刃板が3層構成であるため、柔軟性は実施例1よりやや劣り、また耐刃小板の重なり部数が増えるため重量も増すが、その分安全性能は高くなった。発汗時の蒸れ、べとつき感は、実施例1にやや劣るものの良好であった。
【0036】
実施例3
チタンのt1.2mm×50mm×50mmおよび実施例1と同じナイロンラッセルモジネットを用い、図1の配置の耐刃材とした。この耐刃材は、1層のみの構成であるので、柔軟性・通気性が非常に良いものであった。しかしながら、刃物が耐刃材面に耐し鋭角に入った場合に、耐刃小板の重なり部から刃物が滑り込む危険性があった。
【0037】
比較例1
耐刃小板にチタンのt0.4mm×50mm×50mmを用いて、これらをさらしの基布に、隣りあう耐刃小板どうしが重ならないように隣接した配置で糊付けし、耐刃材とした。この耐刃材を3層積層することで、25Jのアイスピック、バタフライナイフおよび出刃包丁に対する耐刃性能を確保できた。なお、3層の耐刃材を縦横に2cmずつずらして積層する事で、耐刃小板の隣接線が、積層した耐刃材間でなるべく重ならないように積層できた。また、クッション材として耐刃材間にペフ板をサンドした。
【0038】
この配置の場合、ペフ板を用いていること、および基布にさらしを使用していること、耐刃材をタイル状に隣接して糊付けしていることの3つの理由から、耐刃材の表裏間で通気性はほとんど得られなかった。
【0039】
また、安全面でも各耐刃小板の間に耐刃性強度不足箇所が発生した。図6にその箇所を模式図で例示した。図6中に実線で表した耐刃材は1層目の耐刃小板で、点線は2層目の耐刃小板を表し、図示していない最下層にある3層目の耐刃小板上に形成されている。図示した耐刃性強度不足箇所Aに刃物が命中した場合、刃物が1層目の耐刃材の隙間を抜け、残りの2、3層目の耐刃材のみで刃物を止めることになり、耐刃材全体としての強度が2/3にまで落ちてしまう。同様に、図示した耐刃性強度不足箇所Bに刃物が命中した場合、刃物が1、2層目の耐刃材の隙間を抜け、3層目の耐刃材のみで刃物を止めることになり、耐刃材全体としての強度が1/3にまで落ちてしまう。このように安全性に問題があるといえる。
【0040】
比較例2
ステンレスS−4鋼板を図7に示すように7枚の小片(縦60mm×横550mm)にし、人体に沿うように曲率を300Rに曲げ加工し、これらをポリエステル222dtexの平織物でカバーし、板の重ね代が10mmになるようにカバー地を縫製した。さらに、ポリエステル167dtexのメッシュ編地を表地に、縦56dtex、横84、167dtexポリエステル糸使いの横2重織物を裏地として縫製した。この裏地に棒状ポリウレタンゴムを縦に5cm間隔で配置して、耐刃材を作製した。
【0041】
この耐刃材は、裏地に使用した棒状ポリウレタンゴムが身体と耐刃材の間に空間を生み発汗時のべとつき感は軽減する。しかしながら、耐刃材表裏間の通気は、鋼板の10mmの重ね代に生じる僅かな隙間を通じて行われるが、この隙間には、鋼板を包む平織物も介在しているため、通気性は低くなった。安全性についても、鋼板小片間の隙間から刃物が侵入する危険性があった。
【0042】
比較例3
複数の通気用小孔を開けたジュラルミン小片(t1.6mm×50mm×50mm)を図8に示すように互いに可動な程度に緩くリベット留めし、耐刃材を構成した。この耐刃材の外層は、ニット地で覆った。
【0043】
この耐刃材は、曲げに対する柔軟性は良好であるが、板面方向に対して縮む性能は無かった。また、通気性に関しては、ジュラルミン小片に開けられた通気用小孔のために良好であった。しかし、アイスピックで通気用小孔を狙い25Jの落下貫通試験を行ったところ耐刃板の裏面に刃先が突出し、安全面に問題があった。
【0044】
【発明の効果】本発明には、次の効果がある。メッシュ地と耐刃小板の組み合わせにより通気性を大幅に向上させ、夏場の発汗等による蒸れを減少した。これにより、長時間にわたり快適に着用する事が可能となった。また、出刃包丁、バタフライナイフ、アイスピックなどに対する耐刃性を有するとともに、耐刃板面に並行方向の縮み性および柔軟性により身体へのフィット性や運動性も向上した。
【図面の簡単な説明】
【図1】本発明に係る耐刃材の一例を示す図で、(a)は正面図、(b)は(a)図のI−I線における断面図、(c)は(a)図のII−II線における断面図である。
【図2】本発明に係る耐刃材の他の例を示す図で、(a)は正面図、(b)は(a)図のIII−III線における断面図、(c)は(a)図のIV−IV線における断面図である。
【図3】図1の耐刃材を構成する耐刃小板のリベット留め位置を示す図である。
(a)は耐刃小板A、(b)は耐刃小板Bを示す図である。
【図4】図2の耐刃材を構成する耐刃小板のリベット留め位置を示す図である。
(a)は耐刃小板C、(b)は耐刃小板Dを示す図である。
【図5】本発明の実施の形態における耐刃材の積層方法を示す図である。
【図6】比較例1に係る耐刃材の耐刃性強度不足箇所を例示する図である。
【図7】比較例2に係る耐刃材の断面図である。
【図8】比較例3に係る耐刃材の構成を示す図である。
【符号の説明】
1.耐刃小板A
2.耐刃小板B
3.リベット
4.基布
5.耐刃小板C
6.耐刃小板D
7.リベット用穴
8.第1層目の耐刃材
9.第2層目の耐刃材
10.耐刃小板
11.耐刃性強度不足箇所A
12.耐刃性強度不足箇所B
13.表地
14.カバー地
15.鋼板
16.裏地
17.棒状ポリウレタンゴム
18.通気性小孔
19.ジュラルミン小片
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a blade-resistant material and a blade-resistant garment, and more particularly, to a blade-resistant material excellent not only in blade resistance but also in air permeability and fit, and a comfortable blade-resistant garment using the same, which is excellent in wearability and activity. .
[0002]
[Prior art]
The protective material intended for the blade resistance was designed to have no air permeability between the front surface and the back surface of the blade plate in order to obtain piercing resistance to a sharp blade such as an ice pick. Moreover, since hard blade plates have been used to improve piercing resistance, elasticity has not been obtained, and movement of the body when worn has tended to be restricted.
[0003]
Therefore, in order to obtain the elasticity of the protective material, there has been proposed a configuration in which the upper ends of a plurality of blade bands, which are formed by arranging blade-resistant plates in the lateral direction, are fixedly suspended (for example, see Patent Document 1). However, with such a configuration, a material having sufficient air permeability has not yet been obtained. In particular, when a wearer wears for a long time in duties such as security and patrol in summer, sweating becomes a serious problem. In view of this, a configuration has been proposed as a comfortable blade-resistant garment in consideration of breathability and reduction in stuffiness, in which a gap is provided between the blade-resistant plate and the body to reduce the sticky feeling of sweat (for example, Patent Document 2). reference). However, this configuration alone does not provide sufficient ventilation, and comfortable wearing feeling was obtained by opening small holes for ventilation on the blade-resistant plate, so there is a problem in safety against thin blades. there were.
[0004]
In addition, there is a thing which uses metal and has a fitting property to the body, in which a large number of small metal plates which have been subjected to uneven processing as a non-slip of a blade are arranged on a base cloth and screwed. By adopting such a configuration, high stab resistance and fit to the body were obtained, but it could not be said that air permeability was high because a fabric was used for the base cloth (for example, Patent Reference 3).
[0005]
The traditional method of simultaneously solving the problems of flexibility and breathability that fits the body is to form a metal plate with irregularities by loosely riveting them so that their sides overlap each other. In some cases, a small number of small holes were made in a small piece of metal plate to provide air permeability while improving penetration resistance. However, when a blade-resistant garment having a small hole for ventilation receives a disaster with a needle-shaped blade thinner than the small hole for small hole for ventilation, if it happens to hit the small hole, it may easily penetrate and may be damaged. In addition, because of the above-mentioned structure, although it has bending flexibility, the shrinkage in the blade plate surface direction was not sufficient. Further, such a complicated structure of the blade-resistant plate structure has caused a cost increase (for example, see Patent Document 4).
[0006]
[Patent Document 1]
JP-A-2002-156200
[Patent Document 2]
JP-A-9-105007
[Patent Document 3]
Japanese Utility Model Publication No. 6-39268
[Patent Document 4]
JP 2001-12899 A
[Problems to be solved by the invention]
The present invention solves the above-mentioned problems of the prior art, and provides a blade-resistant material having both blade-resistant safety and air permeability and flexibility (bendability, shrinkage) including a thin blade such as an ice pick, and a blade-resistant material. It is intended to provide the blade-resistant clothing used.
[0011]
[Means for Solving the Problems]
The present invention has the following configuration to solve such a problem. That is, the blade-resistant material of the present invention is a blade-resistant material composed of a plurality of blade-resistant platelets, and the blade-resistant platelets are arranged so as to fill gaps between the blade-resistant platelets on a base fabric made of a mesh fabric, Further, one side of the blade-resistant small plate is fixed to the base cloth.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
The blade-resistant material of the present invention is composed of a plurality of blade-resistant platelets, and the blade-resistant platelets are arranged so as to fill gaps between the blade-resistant platelets on a base fabric made of a mesh fabric, and one side of the blade-resistant platelets. It adheres to the base cloth. By fixing one side of the blade-resistant plate to the base cloth, the blade-resistant plate can slide in the surface direction of the blade-resistant material, and the blade-resistant material as a whole can be shrunk in the surface direction of the blade-resistant material. Configuration. Here, the fixation means that the blade-resistant plate is directly attached to the base cloth by gluing, riveting, or the like. In addition, since the blade-resistant small plates are arranged so as to overlap each other, the problem that the blade directly penetrates through the gaps between the blade-resistant small plates does not easily occur.
[0013]
The blade-resistant small plate referred to in the present invention refers to a plate-shaped plate made of metal, resin, or the like. In particular, a small plate made of titanium, an aluminum alloy, or stainless steel exhibits a blade-resistant effect. By using the blade-resistant small plate made of the above material, a safe and lightweight blade-resistant material having blade-resistant performance can be obtained. Area of platelets, 4 cm in 2 ~400cm 2 range, preferably a material having a耐刃performance in the range of the thickness is 0.1 mm to 10 mm, or is required depending curved, by performing roughened Secondary disasters caused by the blades slipping can be reduced.
[0014]
In addition, by making the shape of the blade-resistant plate approximately square or hexagonal, it is possible to fill the gap between adjacent blade-resistant plates without waste. Further, more flexibility can be obtained with respect to the bending motion.
[0015]
The base fabric made of a mesh fabric in the present invention refers to a fabric capable of securing air permeability by having a mesh-like gap between the front and back surfaces of the base fabric, and having strength enough to withstand the weight of the fixed blade-resistant small plate and being attached to the body. It is preferable to have a suitable flexibility at the same time. In particular, the tear strength determined by the JIS L1096 6.15 A-1 method (single tongue method) is 0.3 N or more, the tensile strength determined by the JIS L1096 6.12 A method (strip method) is 1 N / 3 cm or more, JIS L1096 6.19 It is preferable that the stiffness determined by the A method (45 ° cantilever method) is in the range of 5 to 14 cm.
[0016]
The opening ratio of the base fabric is preferably in the range of 30% to 80%. Here, the opening ratio indicates the ratio of the void area between the front and back of the base fabric to the surface area of the base fabric. As a preferred example, a Russell knitted fabric obtained by knitting a nylon fiber having a yarn diameter of 0.5 mm at pitches of 1 mm and 2 mm respectively in the vertical and horizontal directions ( Aperture ratio 57%). By using a base cloth made of a mesh fabric as the blade-resistant material of the present invention, the feeling of sealing peculiar to the conventional blade-resistant material after mounting the blade-resistant material and exercising vigorously is eliminated.
[0017]
A Russell knitted fabric can be used as the base fabric made of the mesh fabric, and a process such as a resin process may be performed to increase the strength. Among these, nylon Russel Modinet 6 × 62 mm is particularly preferable in terms of comfort and strength such as touch and flexibility.
[0018]
As described above, only one side of the blade-resistant small plate is fixed to the base fabric of the mesh fabric which is breathable itself, and the blade-resistant small plate is attached so that the sides of each other are overlapped. A gap is formed in a part of the overlapping portion in a direction substantially parallel to the blade-resistant plate surface, and as a result, air permeability between the front and back of the blade-resistant material is secured. This gap is a gap opened in the direction parallel to the blade-resistant plate surface, and there is no gap in the direction perpendicular to the blade-resistant plate surface, so that the blade-resistant performance is ensured.
[0019]
It is also preferable to form a blade-resistant material by laminating a plurality of the above-described blade-resistant materials. The laminating method is to move the blade-resistant material parallel to the blade-resistant plate surface direction so that the overlapping part of the blade-resistant small plates does not overlap between the laminated blade-resistant materials, a different arrangement for each layer, and a different material. And the like. By moving in parallel to the blade-resistant plate surface and stacking, the thicker part of the blade-resistant material created at the overlap between the blade-resistant platelets, that is, the part with high blade-resistant performance, does not overlap between the laminated blade-resistant materials, and the material is effective. Available. When a different arrangement is used for each layer, for example, a blade-resistant material composed of small-sized blade-resistant platelets on the body-side layer and a blade-resistant material composed of large-sized blade-resistant platelets on the surface-side layer By using, the blade-resistant plate is configured to be more easily fitted to the body. In addition, when using a blade-resistant material of a different material for each layer, for example, crush the tip of the blade using a blade-resistant plate of a hard material for the surface layer, and use a blade-resistant plate of a lightweight material for the layer on the body side. By using the blade, the blade can be efficiently stopped, and the configuration of the blade plate is lightweight as a whole. Further, by forming the blade-resistant material in a plurality of layers, even if the blade penetrates the first layer of the blade-resistant material, the blade-resistant material of the next layer can prevent the blade from entering.
[0020]
When laminating the blade-resistant materials, it is also preferable that at least one blade-resistant material having a different overlapping direction of the blade-resistant plate that fills the gap between the blade-resistant small plates is laminated. By adopting such a configuration, even when the blade comes into the body side by sliding at an acute angle from the gap of the overlapping portion of the blade-resistant plate, the blade-resistant plate has a different overlapping direction on the blade-resistant material in a different layer. Since the direction of opening of the gap between the blade-resistant platelets is opposite to the direction of travel of the blade, the blade can only slide and prevent entry into the body.
[0021]
The blade-resistant clothing of the present invention is characterized by having the above-mentioned blade-resistant material. The term "blade resistant clothing" refers to a vest or a Y-shirt type or a uniform camouflaged at work, into which a blade resistant material can be inserted, mounted, or attached. With such a configuration, the blade-resistant material of the present invention becomes more practical. In addition, depending on the protection site, a protection material of another configuration or material can be used in combination with the blade-resistant material of the configuration of the present invention.
[0022]
Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.
[0023]
FIG. 1 is a diagram showing an example of the blade-resistant material of the present invention. By arranging the square blade-resistant platelets 1 and 2 so as to overlap each other, it is possible to compensate for insufficient blade-resistant strength in the gap between the blade-resistant platelets. In addition, since a gap is formed in the overlapping portion of the blade-resistant plate 1 and 2 in the direction parallel to the blade-resistant plate, the air permeability between the front and back of the blade-resistant plate can be obtained by using the fabric 4 together with the base cloth 4 made of a mesh fabric. Since the blade-resistant small plates 1 and 2 are fixed to the base cloth 4 only with the rivets 3 at their upper sides and the lower end is movable, the blade-resistant plate as a whole has bending properties and shrinkage in the blade-resistant plate surface direction. It has a structure that does not cause discomfort when bending. Further, even if a polygonal shape such as a hexagon or a triangle is used as the shape of the blade-resistant small plate, the protective portion can be buried without waste similarly to the square of the present embodiment, and the material can be effectively used.
[0024]
As described above, it is preferable that at least one blade-resistant material having a different blade-overlapping direction (hereinafter referred to as an inversely configured blade-resistant material) is laminated on a blade-resistant material having a laminated configuration. For example, when used in combination with the blade-resistant materials of the arrangement of FIG. 1, it is preferable to use the blade-resistant materials of the arrangement of FIG. The above-described effects can be obtained by adopting such a laminated structure.
[0025]
The blade-resistant plate of the present invention is used as a blade-resistant clothing in combination with a vest-like clothing or the like. As a method of attaching to the vest-shaped garment, a method of providing an insertion hole such as a pocket in advance in the vest-shaped garment and inserting a blade-resistant material, or a method of fixing with a hook-and-loop fastener or the like is preferable. As the type of the vest-shaped garment, an inner type made of nylon mesh or the like, and an outer type in which a blade-resistant plate is attached inside clothing such as uniforms are preferable.
[0026]
【Example】
Hereinafter, the present invention will be described in more detail with reference to examples.
[0027]
Note that the present invention is not limited to these.
[0028]
Example 1
A total of two layers of blade-resistant materials shown in FIGS. 1 and 2 described later were laminated to form one blade-resistant material. As the blade-resistant plate, 0.8 mm thick titanium processed into a square of 5 cm square was used as the first layer blade-resistant material, and 0.4 mm-thick titanium was used as the second layer blade-resistant material. Nylon Russell Modinet 6 × 62 mm was used for the base cloth, its stiffness was 11.8 cm, tear strength was 0.9 N, tensile strength was 3.8 N / 3 cm, and aperture ratio was 57%. there were.
[0029]
As the first blade-resistant material, the blade-resistant small plates were arranged on the base cloth in the arrangement shown in FIG. 1, and two upper sides thereof were riveted and fixed to the base cloth. The position of the riveting on the blade plate is shown in FIG. The coating of the blade-resistant small plates A and B in the figure corresponds to FIGS. 1 and 3. The values in the figure are a = 1.0 cm, b = 1.5 cm, and c = 0.5 cm, respectively.
[0030]
As shown in FIG. 1 (b), the gap between the blade-resistant small plates in the horizontal direction is overlapped so that the blade-resistant small plate on the right side of the blade-resistant material is located on the near side of the drawing, and the overlap length is 0.5 cm. As shown in FIG. 1 (c), the gap between the blade-resistant small plates in the vertical direction is overlapped such that the blade-resistant small plate above the blade-resistant small plate comes to the front side of the drawing, and the overlap length is 1.0 cm.
[0031]
In the second blade-resistant material, the blade-resistant small plates were arranged on the base cloth in the arrangement shown in FIG. 2, and two lower sides thereof were riveted and fixed to the base cloth. The positions of the riveting on the blade-resistant platelets C and D are shown in FIG. The coating of the blade-resistant plate in the figure corresponds to FIG. 2 and FIG. The values in the figure are a = 1.0 cm, b = 1.5 cm, and c = 0.5 cm, respectively.
[0032]
As shown in FIG. 2 (b), the gap between the blade-resistant platelets in the horizontal direction is overlapped such that the blade-resistant platelets on the left side of the blade-resistant material are on the near side of the drawing, and the overlap length is 0.5 cm. As shown in FIG. 2 (c), the gap between the blade-resistant platelets in the vertical direction is overlapped so that the blade-resistant platelets below the blade-resistant platelets are on the near side of the drawing, and the overlap length is 1.0 cm.
[0033]
As shown in FIG. 5, the first and second blade-resistant materials were stacked with a displacement of 2 cm each in the vertical and horizontal directions, the outer side thereof was covered with a nylon mesh, and sewn along the outer periphery to prepare a blade-resistant material. This blade-resistant material is used by inserting it into a nylon mesh waistcoat.
[0034]
By adopting the above configuration, each blade-resistant small plate moves semi-freely, so that the bending resistance of the blade-resistant material was obtained and the fit to the body was good. Further, even when the abdomen was bent when sitting down, the blade-resistant material shrank in a direction parallel to the blade-resistant material surface, so that no pressure was felt due to the rising to the chest. Even when sweating after exercise, there was little stuffiness and there was no sticky feeling. The blade resistance was impervious at 25 J for the ice pick, butterfly knife, and knife.
[0035]
Example 2
Using t0.4 mm × 50 mm × 50 mm of titanium and the same nylon Russell module as in Example 1, two layers of the blade-resistant material of the arrangement of FIG. 1, one layer of the blade-resistant material of the arrangement of FIG. 2 cm and 2 cm laterally, and laminated in the order of the arrangement of FIG. 1, the arrangement of FIG. 2, and the arrangement of FIG. 1 to form a total of three layers. By using titanium having this thickness in combination, it was impossible to penetrate at any point on the blade-resistant material surface in a drop penetration test using a 25J ice pick, butterfly knife, and blade knife. In addition, since the blade-resistant materials are stacked while being shifted from each other, the overlapping portions of the strong blade-resistant small plates can be laminated so that the blade-resistant plates do not overlap each other. Since the blade-resistant plate has a three-layer structure, the flexibility is slightly inferior to that of Example 1. In addition, the weight increases because the number of overlapping portions of the blade-resistant plate increases, but the safety performance is improved by that amount. The stuffiness and stickiness at the time of sweating were good although slightly inferior to those of Example 1.
[0036]
Example 3
A blade-resistant material having the arrangement shown in FIG. 1 was obtained by using titanium t1.2 mm × 50 mm × 50 mm and the same nylon Russell modulet as in Example 1. Since this blade-resistant material had only one layer, the flexibility and air permeability were very good. However, there is a risk that the blade slides from the overlapping portion of the blade-resistant plate when the blade comes into contact with the blade-resistant material surface and enters an acute angle.
[0037]
Comparative Example 1
Titanium t0.4 mm x 50 mm x 50 mm was used as the blade-resistant plate, and these were glued to the exposed base fabric in an adjacent arrangement so that adjacent blade-resistant platelets did not overlap each other to obtain a blade-resistant material. By laminating three layers of this blade-resistant material, the blade-resistant performance against a 25J ice pick, butterfly knife, and blade knife could be secured. In addition, by laminating the three layers of blade-resistant materials by shifting them by 2 cm in the vertical and horizontal directions, the adjacent lines of the blade-resistant small plates could be laminated so as to minimize overlap between the laminated blade-resistant materials. Further, a pef plate was sanded between the blade-resistant materials as a cushion material.
[0038]
In the case of this arrangement, between the front and back of the blade-resistant material, there are three reasons: the use of a peff plate, the use of a bleached base fabric, and the gluing of the blade-resistant material adjacent to the tile. Almost no air permeability was obtained.
[0039]
Also, in terms of safety, there were places where the blade resistance strength was insufficient between the blade-resistant platelets. FIG. 6 is a schematic diagram illustrating the location. The blade-resistant material indicated by a solid line in FIG. 6 is the blade-resistant platelet of the first layer, and the dotted line represents the blade-resistant platelet of the second layer, and is formed on the blade-resistant platelet of the third layer, which is the lowermost layer (not shown). Have been. When the blade hits the location A where the blade resistance is insufficient as shown in the figure, the blade passes through the gap between the first layer of blade-resistant material and stops the blade only with the remaining second and third layers of blade-resistant material. The strength of the steel drops to 2/3. Similarly, when the blade hits the location B having insufficient blade resistance strength shown in the figure, the blade passes through the gap between the first and second layers of the blade resistance, and stops the blade only with the third layer of the blade resistance. The strength as a whole is reduced to 1/3. Thus, it can be said that there is a problem in safety.
[0040]
Comparative Example 2
As shown in FIG. 7, a stainless steel S-4 steel plate is formed into seven small pieces (length: 60 mm × width: 550 mm), bent to have a curvature of 300R along the human body, and these are covered with a plain fabric of 222 dtex of polyester. The cover material was sewn such that the overlap margin of the cover was 10 mm. Further, the fabric was sewn with a mesh knitted fabric of polyester 167 dtex as the outer material and a horizontal double woven fabric using 56 dtex in length, 84 in width, and 167 dtex polyester yarn as lining. A rod-shaped polyurethane rubber was vertically arranged on the lining at intervals of 5 cm to produce a blade-resistant material.
[0041]
In this blade-resistant material, the stick-like polyurethane rubber used for the lining creates a space between the body and the blade-resistant material, and the sticky feeling at the time of sweating is reduced. However, the ventilation between the front and back surfaces of the blade-resistant material is performed through a small gap generated at a 10 mm overlap margin of the steel sheet, and the gap also includes a plain woven fabric wrapping the steel sheet, so that the air permeability is low. As for safety, there was a risk that the blade would enter the gap between the small steel plate pieces.
[0042]
Comparative Example 3
As shown in FIG. 8, duralumin small pieces (t1.6 mm × 50 mm × 50 mm) having a plurality of small holes for ventilation were loosely riveted to the extent that they could move as shown in FIG. 8 to form a blade-resistant material. The outer layer of this blade-resistant material was covered with a knitted fabric.
[0043]
This blade-resistant material had good flexibility in bending, but did not have the ability to shrink in the plate surface direction. In addition, the air permeability was good due to the air holes formed in the duralumin small pieces. However, when a 25J drop-penetration test was conducted with the ice pick aiming at the ventilation hole, the blade tip protruded from the back surface of the blade-resistant plate, and there was a problem in safety.
[0044]
The present invention has the following effects. Combination of mesh ground and blade-resistant plate greatly improved air permeability and reduced stuffiness caused by sweating in summer. Thereby, it became possible to wear comfortably for a long time. In addition, it has blade resistance against a knife blade, butterfly knife, ice pick, etc., and also has improved fit and mobility to the body due to shrinkage and flexibility parallel to the blade-resistant plate surface.
[Brief description of the drawings]
1A and 1B are views showing an example of a blade-resistant material according to the present invention, wherein FIG. 1A is a front view, FIG. 1B is a cross-sectional view taken along line II in FIG. 1A, and FIG. It is sectional drawing in the II-II line.
2A and 2B are diagrams showing another example of the blade-resistant material according to the present invention, wherein FIG. 2A is a front view, FIG. 2B is a cross-sectional view taken along line III-III in FIG. It is sectional drawing in the IV-IV line | wire of a figure.
3 is a diagram showing riveting positions of blade-resistant small plates constituting the blade-resistant material of FIG. 1;
(A) is a diagram showing a blade-resistant small plate A, and (b) is a diagram showing a blade-resistant small plate B.
FIG. 4 is a view showing riveting positions of blade-resistant small plates constituting the blade-resistant material of FIG. 2;
(A) is a figure which shows the blade-resistant small plate C, (b) is a figure which shows the blade-resistant small plate D.
FIG. 5 is a diagram illustrating a method of laminating a blade-resistant material according to an embodiment of the present invention.
FIG. 6 is a view exemplifying locations where the blade resistance strength of the blade-resistant material according to Comparative Example 1 is insufficient.
FIG. 7 is a sectional view of a blade-resistant material according to Comparative Example 2.
FIG. 8 is a diagram showing a configuration of a blade-resistant material according to Comparative Example 3.
[Explanation of symbols]
1. Small blade plate A
2. Blade-resistant plate B
3. Rivets 4. Base cloth 5. Blade-resistant plate C
6. Blade-resistant plate D
7. Rivet holes 8. 8. First layer blade-resistant material 10. Blade-resistant material of second layer Blade-resistant plate 11. Location A with insufficient blade resistance strength
12. Insufficient blade strength B
13. Outer fabric 14. Covered ground 15. Steel plate16. Lining 17. Rod-shaped polyurethane rubber Breathable pores 19. Duralumin pieces

Claims (10)

複数の耐刃小板からなる耐刃材であって、耐刃小板は、メッシュ地からなる基布に、耐刃小板間の隙間を埋めるように重なって配置され、かつ、耐刃小板の一辺が基布に固着していることを特徴とする耐刃材。A blade-resistant material comprising a plurality of blade-resistant platelets, wherein the blade-resistant platelets are arranged so as to fill gaps between the blade-resistant platelets on a base fabric made of a mesh fabric, and one side of the blade-resistant platelets is formed on a base cloth. A blade-resistant material that is fixed to a cloth. メッシュ地からなる基布が、ラッセル編物であることを特徴とする、請求項1に記載の耐刃材。The blade-resistant material according to claim 1, wherein the base fabric made of the mesh fabric is a Russell knit. メッシュ地からなる基布の、JIS L1096 6.19 A法(45°カンチレバー法)で定める剛軟度が5〜14cmの範囲内にあることを特徴とする、請求項1または2に記載の耐刃材。The blade-resistant blade according to claim 1 or 2, wherein the rigidity of the base fabric made of the mesh ground determined by JIS L1096 6.19 A method (45 ° cantilever method) is in the range of 5 to 14 cm. Wood. メッシュ地からなる基布の、JIS L1096 6.15 A−1法(シングルタング法)で定める引き裂き強さが0.3N以上であり、かつ、JIS L1096 6.12 A法(ストリップ法)で定める引っ張り強さが1N/3cm以上であることを特徴とする、請求項1〜3のいずれかに記載の耐刃材。The tear strength of the base fabric made of the mesh fabric, as determined by JIS L1096 6.15 A-1 method (single tongue method), is 0.3 N or more, and determined by JIS L1096 6.12 A method (strip method). The blade-resistant material according to any one of claims 1 to 3, wherein the tensile strength is 1N / 3cm or more. メッシュ地からなる基布の開口率が、30%〜80%の範囲内にあることを特徴とする、請求項1〜4のいずれかに記載の耐刃材。The blade-resistant material according to any one of claims 1 to 4, wherein an opening ratio of the base fabric made of the mesh fabric is in a range of 30% to 80%. 耐刃小板が概ね四角形もしくは六角形であることを特徴とする、請求項1〜5のいずれかに記載の耐刃材。The blade-resistant material according to any one of claims 1 to 5, wherein the blade-resistant plate is substantially rectangular or hexagonal. 耐刃小板が、チタン、アルミ合金およびステンレスから選ばれる少なくとも1種からなることを特徴とする、請求項1〜6のいずれかに記載の耐刃材。The blade-resistant material according to any one of claims 1 to 6, wherein the blade-resistant plate is made of at least one selected from titanium, an aluminum alloy, and stainless steel. 請求項1〜7のいずれかに記載の耐刃材を複数積層してなることを特徴とする耐刃材。A blade-resistant material obtained by laminating a plurality of blade-resistant materials according to claim 1. 複数積層された耐刃材において、耐刃小板の重なりの方向が異なる耐刃材が、少なくとも1層積層してなることを特徴とする請求項8に記載の耐刃材。The blade-resistant material according to claim 8, wherein at least one layer of the blade-resistant materials having different overlapping directions of the blade-resistant platelets is laminated in a plurality of blade-resistant materials. 請求項1〜9のいずれかに記載の耐刃材を有することを特徴とする耐刃衣料。A blade-resistant garment comprising the blade-resistant material according to claim 1.
JP2003073469A 2003-03-18 2003-03-18 Edge-proof material and edge-proof clothing using the same Pending JP2004278978A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010255870A (en) * 2009-04-21 2010-11-11 Nihon Ceratec Co Ltd Impact-resistant member, and method of manufacturing body protecting clothes and impact-resistant member
WO2012005785A3 (en) * 2010-04-08 2012-04-05 Warwick Mills, Inc. Titanium mosaic body armor assembly
JP2012083028A (en) * 2010-10-12 2012-04-26 Toray Ind Inc Blade-proof protective member for blade-proof protective clothing
CN105571398A (en) * 2016-03-16 2016-05-11 苏州高甲防护科技有限公司 Flexible stab-resistant material arranged without gaps and preparation method of flexible stab-resistant material
JP7461052B2 (en) 2020-12-24 2024-04-03 有限会社ポルテ Inner protector for boots

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010255870A (en) * 2009-04-21 2010-11-11 Nihon Ceratec Co Ltd Impact-resistant member, and method of manufacturing body protecting clothes and impact-resistant member
WO2012005785A3 (en) * 2010-04-08 2012-04-05 Warwick Mills, Inc. Titanium mosaic body armor assembly
JP2012083028A (en) * 2010-10-12 2012-04-26 Toray Ind Inc Blade-proof protective member for blade-proof protective clothing
CN105571398A (en) * 2016-03-16 2016-05-11 苏州高甲防护科技有限公司 Flexible stab-resistant material arranged without gaps and preparation method of flexible stab-resistant material
JP7461052B2 (en) 2020-12-24 2024-04-03 有限会社ポルテ Inner protector for boots

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