JP2004275699A - Radar reflecting function imparting method for garment or belonging - Google Patents

Radar reflecting function imparting method for garment or belonging Download PDF

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Publication number
JP2004275699A
JP2004275699A JP2003119105A JP2003119105A JP2004275699A JP 2004275699 A JP2004275699 A JP 2004275699A JP 2003119105 A JP2003119105 A JP 2003119105A JP 2003119105 A JP2003119105 A JP 2003119105A JP 2004275699 A JP2004275699 A JP 2004275699A
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JP
Japan
Prior art keywords
radar
clothes
garment
belongings
search
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2003119105A
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Japanese (ja)
Inventor
Sumiji Takeyari
澄治 武鑓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TAKEYARI KK
Original Assignee
TAKEYARI KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TAKEYARI KK filed Critical TAKEYARI KK
Priority to JP2003119105A priority Critical patent/JP2004275699A/en
Publication of JP2004275699A publication Critical patent/JP2004275699A/en
Pending legal-status Critical Current

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  • Details Of Garments (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Emergency Lowering Means (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a radar reflecting function imparting method which gives a garment the function to search by radar when one is lost in the sea or mountain. <P>SOLUTION: An electrically conductive fabric is created by using metal plating fibers and radar search becomes possible by holding it in place by giving clothes or belongings an echoing area of ≥1 m<SP>2</SP>. The electrically conductive fabric has an electric resistance of 3 Ω/cm or lower and is a flexible two-dimensional matter with washing resistance. Attaching it on clothes or belongings and combining them under normal circumstances prepare for the possibility of an unexpected distress. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
本発明は、海上や山岳で遭難した時に探索しやすいように人間にレーダー反射機能を付与する方法に関するものである。
【0002】
【従来の技術】
従来の技術としては、救命品それ自体の全部又は一部を探索レーダー用の反射板とする救命品は、特開平6−343008で公開されている。すなわち、救命いかだの天幕或いは救命胴衣の一部を金属で被覆された複合素材として、電波反射機能を持たせたものである。救命のための商品であり通常のジャケットとリュックサックで山に登り遭難した場合には対応できてないのが現状である。従来は、遭難した多くの場合の事例で見られるように、夜間の捜索は中止し、夜明けを待って捜索を再開するのが常であり救助できない事例が多い。
【0003】
【発明が解決しようとする課題】
救命いかだ或いは救命胴衣の一部に反射機能を持たせたものは海上での遭難対策の商品であり、山岳等陸上での遭難時を含めて使用できる商品ではなかった。さらに、ゴム類や塩ビの塗布層によって固い布帛となっており、外衣の上に救急時に着用するものや天幕には差し支えないが、平素活動する衣服にはなりにくい欠点があった。本発明は雪崩れに遭った遭難者を夜間でも捜索できるようにするために、着用している衣服或いは所持しているものに電波反射能を付与する技術である。子供に衣服として着用させるておけば、山中で行方不明になった場合にも、ヘリコプター探索が可能になる。
【0004】
【課題を解決するための手段】
本発明では、通常の衣服や所持品にレーダー反射機能を付与するため、一定面積のレーダー断面積を有する布帛を後つけできる仕組みによりこの課題を解決した。すなわち、山岳スポーツに着用するアノラックの背中に縫い付けるのみでレーダー反射機能を持たせるものである。
海上或いは雪山で遭難した時のレーダー探査の実験より1m以上のレーダー断面積が必要であることを認め、金属メッキ繊維の使用によりそれ以上の布帛を開発した。
【0005】
金属メッキ繊維としては、色々のものが使用できる。ナイロンに銅、ニッケル、銀等を5〜50wt%メッキすることにより導電性が得られるが、これらの繊維には、ミリ波の電波反射能がある。繊維素材としてもナイロンに限定するものではなく、メッキ膜に伸びがないものでは、より伸び率の低い繊維にメッキした方が望ましいことも有る。使用時の伸縮によりクラックが入らない方が性能維持が良好である。
【0006】
このミリ波の電波反射能があるメッキ繊維を使用して二次元物にする場合にも、不織布、編地、織物等色々の商品形態があるがいずれも効果があった。
レーダー断面積σは、以下の式によって計算できる。
σ=4IIA/λ−−−−− (1)
ここで、IIは3.14
Aは金属メッキ繊維で構成する布帛の断面積
λはミリ波、例えば3cmのレーダーで0.03m
【0007】
【発明の実施の形態】
本発明の実施形態を図面で説明する。図1が本発明の一つの実施態様である。1は登山や釣りに使用するアノラックである。その前身ごろに、2で示すように、重量パーセントで30%の銀をメッキしたナイロンを使用した電波反射機能を有する織物を面ファスナーで取り付けた。前身ごろでは左右に2枚の織物を取り付けた。たてと横の長さは30cm×30cmである。背中の場合は1枚で取り付ければよい。この織物はアノラックと柔軟性において差はなく、取り付けても着用に違和感はない。銀メッキ繊維は耐洗濯性があり、汚れれば取り外して家庭洗濯機で洗濯できる。さらに本織物について電気抵抗を測定すると1.2Ω/cmでありこの値は50回の洗濯でもほぼ維持していた。
【0008】
銀メッキ繊維の打ち込み数より1式で計算すると、銀メッキ繊維のカバー率1%としても1200mのレーダー面積があった。この布帛を常に衣服に取り付けておくことにより万一の遭難事故が発生した場合にもレーダーによる探索を夜間でも可能にした。
【0009】
図2は、登山用のザックの表面を示すものである。背負った表面を1で示すが、その上部に銀メッキナイロンの編地2を縫いつけた。20cm×20cmのサイズである。100%銀メッキ繊維の編地にすると、10%のカバリング率で、レーダー断面積は10mとなった。このザックを背負っていると遭難しても夜間の探索が可能である。1m程度の雪に埋もれて肉眼では発見できない状態でもレーダーでは探索できる。
【0010】
【発明の効果】
海上と山岳を問わず万一遭難しても空からレーダー探索が可能になることは人命救助に大きい効果をもたらす。幼児が山で行方不明になった場合、大勢の人がくまなく探しても見つからないことがある。幾日も探索に費やすと命を落とすことになる。夜間でもヘリコプターによるレーダー探査ができることは救助につながり易い。
【図面の簡単な説明】
【図1】本発明のアノラックの前見ごろを示す模式図ある。
【符号の説明】
1:アノラック
2:銀メッキナイロン織物
【図2】本発明のザックの模式図である。
【符号の説明】
1:リュックサック本体
2:縫い付けた銀メッキナイロンの編地
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a method for providing a human with a radar reflection function so that a person can easily search in case of distress at sea or in mountains.
[0002]
[Prior art]
As a conventional technique, a life-saving product in which all or a part of the life-saving product itself is used as a reflector for a search radar is disclosed in Japanese Patent Application Laid-Open No. 6-343008. In other words, the awning of the liferaft or a part of the lifejacket is a composite material coated with metal and has a radio wave reflection function. It is a life-saving product and cannot handle the case of climbing a mountain with a normal jacket and rucksack. In the past, as seen in many cases of distress, search at night was stopped, and it was usual to resume the search after dawn, and in many cases, rescue was not possible.
[0003]
[Problems to be solved by the invention]
Life rafts or life vests that have a reflective function on a part of their life vests are products designed to prevent distress at sea, and are not products that can be used even when distressed on land such as mountains. Furthermore, it has a hard cloth formed by a coating layer of rubbers or PVC, and can be worn on an outer garment in an emergency or a tent. The present invention is a technique for providing radio wave reflection to worn clothes or possessed items so that victims who have experienced an avalanche can be searched even at night. If you let your child wear it, you can search for helicopters even if you go missing in the mountains.
[0004]
[Means for Solving the Problems]
In the present invention, in order to provide a radar reflection function to ordinary clothes and personal belongings, this problem has been solved by a mechanism capable of retrofitting a cloth having a radar cross-sectional area of a certain area. That is, the radar reflection function is provided only by sewn on the back of the anorak worn for mountain sports.
It recognized the need for 1 m 2 or more radar cross-sectional area than the experimental radar exploration when distress at sea or snow mountain developed a more cloth by the use of metal plated fibers.
[0005]
Various kinds of metal plating fibers can be used. Conductivity can be obtained by plating nylon, such as copper, nickel, and silver with 5 to 50 wt%, and these fibers have a radio wave reflecting ability of millimeter waves. The fiber material is not limited to nylon, and if the plating film has no elongation, it may be desirable to plate the fiber with a lower elongation rate. The performance is better if no cracks are formed due to expansion and contraction during use.
[0006]
Even when a two-dimensional object is formed by using the plated fiber having the reflectivity of the millimeter wave, there are various product forms such as a nonwoven fabric, a knitted fabric, and a woven fabric.
The radar cross section σ can be calculated by the following equation.
σ = 4IIA 2 / λ 2 (1)
Where II is 3.14
A is a cross-sectional area λ of a cloth made of metal-plated fiber is 0.03 m with a millimeter wave, for example, a 3 cm radar.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows one embodiment of the present invention. 1 is an anorak used for mountain climbing and fishing. Around the front body, as shown by 2, a woven fabric having a radio wave reflection function using nylon plated with 30% by weight of silver was attached with a hook-and-loop fastener. In the predecessor, two fabrics were attached on the left and right. The vertical and horizontal length is 30 cm × 30 cm. In the case of the back, it may be attached with one piece. This woven fabric does not differ from the anorak in flexibility, and does not feel uncomfortable even when attached. The silver-plated fibers are wash-resistant and can be removed and washed in a home washing machine if dirty. Further, when the electric resistance of this fabric was measured, it was 1.2 Ω / cm, and this value was almost maintained even after 50 washes.
[0008]
When calculated from the number of silver-plated fibers driven by one formula, there was a radar area of 1200 m 2 even if the silver-plated fiber coverage was 1%. By always attaching this cloth to clothes, it is possible to search by radar even at night even in the event of a distress accident.
[0009]
FIG. 2 shows the surface of a mountain climbing zac. The backing surface is indicated by 1, and a knitted fabric 2 of silver-plated nylon is sewn on the upper surface thereof. The size is 20 cm × 20 cm. When the knitted fabric was made of 100% silver-plated fiber, the radar cross-sectional area was 10 m 2 at a covering rate of 10%. Even if you are in distress, you can search for it at night. Even if it is buried in snow of about 1m and cannot be found with the naked eye, it can be searched with radar.
[0010]
【The invention's effect】
Being able to search for radar from the sky, even in the case of distress, whether at sea or in the mountains, has a great effect on rescuing lives. If a young child goes missing in the mountains, many people may not be able to find it. Spending days exploring will kill you. Being able to conduct a radar search by helicopter even at night is easy to rescue.
[Brief description of the drawings]
FIG. 1 is a schematic view showing a front view of an anorak of the present invention.
[Explanation of symbols]
1: Anorak 2: Silver-plated nylon fabric FIG. 2 is a schematic view of a zac according to the present invention.
[Explanation of symbols]
1: rucksack body 2: sewn silver-plated nylon knitted fabric

Claims (4)

海上或いは陸上での遭難時に探索しやすいように衣服或いは所持品に1m以上のレーダー断面積を有する布帛を存在せしめる方法A method in which a cloth having a radar cross-sectional area of 1 m 2 or more is present in clothes or personal belongings so that it can be easily searched in case of distress on the sea or land. ジャケットやパンツ或いはリュックサックの表面に、金属メッキ繊維からなる1m以上のレーダー断面積を有する布帛を取り付けるレーダー反射機能の付与方法A method of providing a radar reflection function for attaching a cloth made of metal-plated fiber having a radar cross-sectional area of 1 m 2 or more to the surface of a jacket, pants, or rucksack ジャケットの身ごろ或いは袖に銀メッキナイロン繊維からなる1m以上のレーダー断面積を有する布帛を縫い付けるか面ファスナーで取り付けるレーダー反射機能の付与方法A method of providing a radar reflection function in which a cloth made of silver-plated nylon fiber and having a radar cross-sectional area of 1 m 2 or more is sewn or attached with a hook-and-loop fastener on the body or sleeve of the jacket. 銀メッキナイロン繊維を用いた電気抵抗3Ω/cm以下の導電性布帛を使用した1m以上のレーダー断面積を有する衣服或いは所持品Clothes or belongings having 1 m 2 or more radar cross section using the electric resistance 3 [Omega] / cm or less of the conductive cloth with silver plated nylon fibers
JP2003119105A 2003-03-18 2003-03-18 Radar reflecting function imparting method for garment or belonging Pending JP2004275699A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018056106A1 (en) * 2016-09-26 2018-03-29 パナソニックIpマネジメント株式会社 Resin composition for millimeter wave reflection, resin sheet using same, fiber and article for millimeter wave reflection
WO2019137779A1 (en) * 2018-01-10 2019-07-18 Robert Bosch Gmbh Electromagnetic-radiation-reflecting structure, article of clothing having an electromagnetic-radiation-reflecting structure, use of such an electromagnetic-radiation-reflecting structure, and system for detecting a user

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018056106A1 (en) * 2016-09-26 2018-03-29 パナソニックIpマネジメント株式会社 Resin composition for millimeter wave reflection, resin sheet using same, fiber and article for millimeter wave reflection
JPWO2018056106A1 (en) * 2016-09-26 2019-06-24 パナソニックIpマネジメント株式会社 Resin composition for millimeter wave reflection, resin sheet using the same, fiber and article for millimeter wave reflection
WO2019137779A1 (en) * 2018-01-10 2019-07-18 Robert Bosch Gmbh Electromagnetic-radiation-reflecting structure, article of clothing having an electromagnetic-radiation-reflecting structure, use of such an electromagnetic-radiation-reflecting structure, and system for detecting a user
JP2021510197A (en) * 2018-01-10 2021-04-15 ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツングRobert Bosch Gmbh Structures that reflect electromagnetic radiation, clothing with structures that reflect electromagnetic radiation, how to use such structures that reflect electromagnetic radiation, and systems for detecting users.
US11710892B2 (en) 2018-01-10 2023-07-25 Robert Bosch Gmbh Electromagnetic-radiation-reflecting structure, article of clothing having an electromagnetic-radiation-reflecting structure, use of such an electromagnetic-radiation-reflecting structure, and system for detecting a user

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