JP2500320B2 - Wearable ice-proof equipment for life raft - Google Patents

Wearable ice-proof equipment for life raft

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Publication number
JP2500320B2
JP2500320B2 JP2031468A JP3146890A JP2500320B2 JP 2500320 B2 JP2500320 B2 JP 2500320B2 JP 2031468 A JP2031468 A JP 2031468A JP 3146890 A JP3146890 A JP 3146890A JP 2500320 B2 JP2500320 B2 JP 2500320B2
Authority
JP
Japan
Prior art keywords
ice
life raft
raft
wearable
life
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 - Lifetime
Application number
JP2031468A
Other languages
Japanese (ja)
Other versions
JPH03235795A (en
Inventor
晃 上村
逸男 高島
Original Assignee
運輸省船舶技術研究所長
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Priority to JP2031468A priority Critical patent/JP2500320B2/en
Publication of JPH03235795A publication Critical patent/JPH03235795A/en
Application granted granted Critical
Publication of JP2500320B2 publication Critical patent/JP2500320B2/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C9/02—Lifeboats, life-rafts or the like, specially adapted for life-saving
    • B63C9/04—Life-rafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B2211/00—Applications
    • B63B2211/06—Operation in ice-infested waters

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Refrigerator Housings (AREA)
  • Emergency Lowering Means (AREA)

Description

【発明の詳細な説明】 イ．産業上の利用分野 本発明は膨張式救命筏を対象として，膨張式救命筏に
装着する耐氷設備に係るもので、産業上の利用分野は，
国際航路船舶用のものである．この中で北極海等寒冷海
域を航行する船舶及びこれらの海域で稼働する海洋構造
物に積付ける救命設備として活用するものである． ロ．従来の技術 従来用いられている膨張式救命筏はSOLAS（海上にお
ける人命安全のための国際条約）により，気温零下30度
に耐える構造とされているが，北極海等の零下30度以下
の気温となる氷海環境下で使用するための対策は十分で
ない． 特に従来の筏には流氷域内での使用に対する耐氷対
策，氷盤上での移動等に対する対策は全くなされていな
い． また，寒冷海域では乗組員が低温の海水に濡れる危険
を少なくするため膨張式救命筏を吊下げて進水させる方
式が優れているが，救命筏を吊下げるロープが筏本体へ
ゴム引布等を用いた接着により固定されているので，零
下30度以下の低温環境下では接着部の剥離等が起こり耐
力を十分確保することが難しく，材質または施行上の対
策が必要となっている． さらにまた，膨張式救命筏の強風下における安定した
進水には技術的困難が多く，解決が望まれている． ハ．発明が解決しようとする課題 本発明は従来の技術の中で氷海への対応が欠如した点
を解決するとともに，救命筏を活用した氷海救命システ
ムとして，氷海域等における緊急時に適切に配置された
救命筏で分散して脱出し，氷海に着水した救命筏を自力
または曳航により安全な場所まで退避させるシステムを
達成するために，次のからの課題について解決しよ
うとするものである。DETAILED DESCRIPTION OF THE INVENTION BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inflatable life raft for ice-proof equipment to be mounted on the inflatable life raft.
For international shipping vessels. It is used as a life-saving equipment to be loaded on ships that sail in cold waters such as the Arctic Ocean and offshore structures that operate in these waters. B. Conventional technology Conventionally used inflatable life raft has a structure that can withstand temperatures below 30 degrees Celsius according to SOLAS (International Convention for the Safety of Life at Sea), but temperatures below 30 degrees Celsius such as in the Arctic Ocean. There are not enough measures to use it under the ice-sea environment. In particular, the conventional raft has no measures against ice resistance for use in drift ice areas, and no measures against movement on ice boards. In cold waters, the method of suspending an inflatable life raft and launching it is excellent in order to reduce the risk of crew getting wet with low-temperature seawater. Since it is fixed by adhesion using, it is difficult to secure sufficient proof strength in a low temperature environment below 30 degrees Celsius, and it is difficult to secure sufficient proof strength. Furthermore, there are many technical difficulties in the stable launching of an inflatable life raft under strong winds, and a solution is desired. C. DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention The present invention solves the problem that the prior art does not correspond to the ice sea, and is appropriately arranged as an ice sea life saving system utilizing a life raft in an emergency such as an ice sea area. In order to achieve a system in which the life raft disperses and escapes by the life raft, and the life raft that hits the ice sea is evacuated to a safe place by itself or by towing, the following problems are to be solved.

膨張式救命筏が氷盤と衝突した場合や氷盤に圧迫さ
れた場合，筏本体が直接氷盤に接触して損傷を受けない
ように、筏の主浮力室及び床気室を防護するようにす
る．また，膨張式救命筏を防するための設備が，氷盤に
圧迫されるにつれて，救命筏を氷盤上方へせり上げる機
能を持つようにし，氷盤上への退避を可能なものとす． 膨張式救命筏を進水させるための吊下げロープを膨
張式救命筏を防護するための設備に取付けられるように
する。When the inflatable life raft collides with the ice board or is pressed against the ice board, the main buoyancy chamber and floor air chamber of the raft should be protected so that the raft body will not directly contact the ice board and be damaged. To In addition, the equipment for preventing the inflatable life raft will have the function of raising the life raft above the ice board as the ice board is pressed, so that it can be evacuated onto the ice board. A suspending rope for launching the inflatable life raft shall be attached to equipment for protecting the inflatable life raft.

膨張式救命筏の強風下での進水及び風浪下での安定
性を向上できるように，着脱自在なアンカーを設備でき
るようにする． 膨張式救命筏を氷盤上や流氷域内で牽引できるよう
に，牽引用金具を取付けられるようにする． ニ．課題を解決するための手段 本発明は、膨張式救命筏自体に直接対策を施さない
で、膨張式救命筏に装着して用いる救命筏とは別体とし
た耐氷設備を考案することにより、課題を解決しようと
するものである。The inflatable life raft will be equipped with a detachable anchor so that it can be launched under strong wind and stability under wind. The inflatable life raft can be equipped with a tow metal fitting so that it can be towed on an ice plate or in an ice floe area. D. Means for Solving the Problem The present invention does not directly take measures against the inflatable life raft itself, but devises an ice-resistant equipment which is a separate body from the life raft mounted and used on the inflatable life raft. Is to solve.

本発明になる救命筏用装着式耐氷設備は、氷盤の浮
遊する海上において膨張式救命筏が氷盤との衝突や接
触、圧迫により損傷するのを防止するため、膨張式救命
筏とは別体として膨張式救命筏の周囲に装着して使用す
る設備で、剛性体の底板と剛性体の複数の側板とをヒン
ジ機構により接合し、側板同士をゴム引布で接合すると
ともに、側板は内側へはストッパーにより一定の角度ま
で、外側へはゴム引布の展張により一定の角度までそれ
ぞれ回転可能として、氷盤からの圧力に対し柔軟性をも
つ耐氷構造としたものである。The wearable ice-proof equipment for life raft according to the present invention is different from the inflatable life raft in order to prevent the inflatable life raft from being damaged by collision, contact with or pressure on the ice board in the sea where the ice board floats. This equipment is used by mounting it around the inflatable life raft as a body.The bottom plate of the rigid body and the side plates of the rigid body are joined by a hinge mechanism, and the side plates are joined by a rubberized cloth, and the side plates are inside. It is possible to rotate to a certain angle with a stopper and to the outside with a rubberized cloth stretched to a certain angle.

剛性体とした救命筏用装着式耐氷設備の底板に、底
板と接合させて一体構造とした金属製のロープ取付部を
設け、装着式耐氷設備を吊下げるための進水用吊下げロ
ープを固縛するようにした。A rigid rope attachment part for the life-saving raft wearable ice-proof equipment is provided with a metal rope attachment part that is integrated with the bottom plate to secure a hanging rope for launching to suspend the wearable ice-proof equipment. I tried to tie it up.

救命筏用装着式耐氷設備の側板の上端部に進水用ガ
イド金具を取り付ける。Attach a launch guide fitting to the upper end of the side plate of the life-saving raft wearing type ice-proof equipment.

また、救命筏用装着式耐氷設備の底板に牽引用ロープ
及び牽引用金具を取り付ける。これらの設備とともに救
命筏用装着式耐氷設備とは別体とした保水性を有する大
型アンカーを課題を解決するための手段として用いる。Also, attach a tow rope and tow metal fittings to the bottom plate of the life-saving raft-mounted ice-proof equipment. Along with these equipment, a large-sized water-repellent anchor that is separate from the life-saving raft mounted ice-proof equipment is used as a means for solving the problem.

即ち、装着式耐氷設備を装着した膨張式救命筏を強風
下で進水させる場合、事前に、海上に大型アンカーをア
ンカー吊下げロープにより吊下げて展張した後、アンカ
ー吊下げロープを進水用ガイド金具に通して、アンカー
吊下げロープをガイドとして、救命筏を装着した装着式
耐氷設備を装着式耐氷設備に取り付けられている進水用
ロープにより進水させる。また、大型アンカーを着脱自
在金具のところで切り離し、救命筏用装着式耐氷設備に
取り付けた牽引用金具に取り付ければ、救命筏のアンカ
ーとして有効に働き、荒天下の海上における救命筏の風
浪による転倒を防止できる。That is, when launching an inflatable life raft equipped with a wearable ice-resistant equipment under strong wind, suspend a large anchor on the sea with an anchor suspension rope in advance and then launch the anchor suspension rope. Through the guide fitting, the anchor hanging rope is used as a guide to launch the wearable ice-proof equipment equipped with a life raft by the launch rope attached to the wearable ice-proof equipment. Also, if you detach the large anchor at the detachable metal fittings and attach it to the tow metal fittings attached to the life-saving raft mounting type ice-resistant equipment, it will effectively work as an anchor for the life raft and prevent the life raft from falling over in the sea under stormy weather. It can be prevented.

ホ．作用 本発明になる救命筏用装着式耐氷設備の一例を第１図
に示す．装着式耐氷設備は以下の作用をすることによ
り，装着した膨張式救命筏を流氷盤の圧迫，衝突等から
防護するとともに氷上への乗り上げ退避を可能とするも
のである。E. Action Fig. 1 shows an example of the wearable ice-proof equipment for a life raft according to the present invention. The wearable ice-proof equipment protects the installed inflatable life raft from the pressure and collision of the drift ice board and makes it possible to climb up and escape on ice by performing the following actions.

側板Ａは底板Ｂにヒンジ接合等により内側に回転可能
なように取付けられ，隣り合う側板間には側板の回転機
能を損なわないようにアラミド繊維で強化したゴム引布
Ｃを取付けている． 装着式耐氷設備が仮に側板Ａ−及びＡ−方向から
氷盤等に圧迫された場合，側板Ａ−及びＡ−が氷盤
に圧迫されるにつれて内側に回転させられる．側板があ
る角度まで回転すると，ストッパーＤ及びゴム引布を介
して隣り合う側板等の多点で支承されるようになるの
で，氷盤の圧迫に耐えることができるようになる．さら
に圧迫されると，曲げられた板バネが反発して元に復す
ように，耐氷設備に蓄えられた変形エネルギーが氷盤に
反発して氷盤壁をずり上がることにより開放され，続い
て耐氷設備が圧迫されるとさらにせり上がる作用を繰返
し，徐々に氷盤上方にせり上がっていく．氷盤にせり上
がる高さは装着式耐氷設備の直径と傾斜時の筏の浮力に
よって決まり，例えば,10人乗程度の救命筏では1m程度
の氷盤に乗り上がることができる． また、装着式耐氷設備に取付けた進水用ガイド金具F,
牽引用金具Ｇ及び第２図に示すアンカーが次のから
の作用をすることにより，救命筏の強風下における安定
した進水及び流氷域内での牽引が可能となる．さらにま
た，牽引用金具及びアンカーを活用することにより，風
浪下においても筏を安定させることができる。The side plate A is rotatably attached to the bottom plate B by a hinge joint or the like, and a rubberized cloth C reinforced with aramid fiber is attached between adjacent side plates so as not to impair the rotation function of the side plate. If the wearable ice-proof equipment is pressed against the ice board or the like from the side plates A- and A- directions, it is rotated inward as the side plates A- and A- are pressed by the ice board. When the side plates rotate to a certain angle, they will be supported at multiple points such as the side plates adjacent to each other through the stopper D and the rubberized cloth, so that it will be possible to withstand the pressure of the ice plate. When further pressure is applied, the deformation energy stored in the anti-icing equipment repels the ice board and is released by climbing up the ice board wall so that the bent leaf spring rebounds and returns to its original state. When the anti-icing equipment is pressed, it repeatedly rises and gradually rises above the ice board. The height of the ice board is determined by the diameter of the wearable ice-proof equipment and the buoyancy of the raft when tilted. For example, a life raft with a capacity of about 10 people can climb an ice board of about 1 m. In addition, launch guide metal fittings F attached to the wearable ice-proof equipment,
The towing metal fitting G and the anchor shown in FIG. 2 act from the following to enable stable launching of the life raft under strong wind and towing within the drift ice area. Furthermore, by utilizing the tow metal fittings and anchors, it is possible to stabilize the raft even in windy weather.

救命筏を強風下で安定した進水ができるように，筏
の進水を行なう前に筏と別耐とした保水性のあるアンカ
ーＪをアンカー吊下げロープＫにより海上に展張して海
水を満たす．風によりアンカーが水平方向に引張られた
場合にはアンカー吊下げロープＫに下向きの張力がかか
る．このアンカー吊下げロープを耐氷設備に取付けた進
水用ガイド金具Ｆに通して，救命筏を筏吊下げロープＥ
により吊下げて進水させる．これにより強風下における
進水であっても，救命筏は二本のロープにより支持され
て，救命筏の重量及びアンカーの下向きの張力により，
安定した進水が可能となる． 救命筏を牽引するための牽引設備は牽引用金具Ｇ及
び耐氷設備の底板部に固定したワイヤーＨで構成されて
いる．牽引用金具にロープを付けて牽引すれば，流氷中
及び氷盤上での救命筏の牽引が可能となる．また，牽引
用金具を底板部に固定したワイヤーに取付けたことによ
り，牽引による氷盤上への乗上げ退避も牽引ロープが乗
上げ時のガイドとなるため容易である． アンカーＪはアンカー吊下げロープＫに着脱自在金
具Ｌを介して取付けてある．救命筏を風浪下で使用する
場合，筏が着水した後，アンカーを着脱自在金具のとこ
ろでアンカー吊下げロープから外し，筏の牽引用金具Ｇ
に取付ければ，筏の安定性をさらに向上させることがで
きる． ヘ．実施例 第１図は救命筏用装着式耐氷設備を示したものであ
る．側板を八分割したもので，救命筏が円形または八角
形等の多角形であっても装着が可能なものである．側板
の分割数は筏の大きさにより一定数とする必要はない
が,10人乗り程度の筏では実験から八分割で良好な結果
が得られた． 耐氷設備の救命筏への装着法は，ヒンジ部の近傍に設
けた筏吊下げロープ取付金具Ｉを利用して，救命筏のつ
かみ綱取付部とロープにより結び合わせたが十分であっ
た.. 側板の内側への回転はラチェット式のストッパーＤで
一定になるように制限した．これは側板が過度に回転し
た場合には，実験から側板の筏への圧迫，氷盤へのせり
上がり機能の低下がみられたためで，本発明の重要な用
件となった． 底板部に牽引用金具Ｇ及びワイヤーＨを取付けること
により，救命筏を流氷中及び氷盤上で牽引できた．牽引
しない時には牽引用金具を側板間の間隙を通して進水用
ガイド金具Ｆに結び付けて収納したが問題なかった． 緊急時には救命筏を船上で展張し，乗組んでから吊下
げて進水する．強風下での進水又は風浪下での筏の安定
を図るためにアンカーを併用する実験を行なったが十分
な性能が得られた． 第２図はアンカーを示したものである．アンカーは着
脱自在金具L,重錘Ｍ及び簡易止水弁Ｎを有している．ア
ンカーをアンカー吊下げロープＫ又は装着式耐氷設備の
牽引用金具Ｇに取付けて海上に投じたが，重錘により海
中に没するとともに簡易止水弁より海水が侵入し，アン
カーとして有効に機能できた． また，アンカーを誤って海上に落した場合には，海上
に浮かぶように浮きＰをつけた．アンカーの回収は浮き
Ｐを引上げればアンカー内の海水が排除されるので簡単
に回収できた． 第３図に救命筏用装着式耐氷設備を利用した救命筏の
積付け法を示す．装着式耐氷設備は膨張式救命筏を収納
する容器を兼ねることができるように側板の分割を考え
たので，防水シートＰを掛けて固定ロープＲで固定した
が良好であった． 第４図に救命筏用装着式耐氷設備を膨張式救命筏では
なく全閉型艇に装着した例を示す．全閉型艇単独では流
氷盤に圧迫された場合，氷盤上へのスムーズな乗り上が
りが困難であったが，装着式耐氷設備を装着したら救命
筏に装着した場合と同等の耐氷機能を保持できた． ト．発明の効果 本発明によって膨張式救命筏を従来使用することので
きなかった北極海等寒冷海域で使用可能な救命設備とす
ることができ，救命筏を活用した氷海救命システムを構
成することが可能となった． 即ち，救命筏自体については保温性及び気室布の耐寒
性を既知の技術により改善し，本発明の装着式耐氷設備
を装着すれば，氷海へ適用が可能となるばかりでなく，
そのまま従来型の筏に装着すればオホーツク海等の流氷
域でも使用することができる有用なものである．Before the launch of the raft, a water-retaining anchor J, which has different durability from the raft, is stretched over the sea by an anchor suspension rope K to fill the seawater so that the life raft can be stably launched under strong winds. ． When the anchor pulls horizontally in the wind, downward tension is applied to the anchor suspension rope K. This anchor suspension rope is passed through the launch guide metal fitting F attached to the ice-proof equipment, and the life raft is raft suspended rope E.
To hang and launch. As a result, the life raft is supported by two ropes even when launched under strong wind, and due to the weight of the life raft and the downward tension of the anchor,
A stable launch is possible. The towing equipment for towing the life raft is composed of a towing metal fitting G and a wire H fixed to the bottom plate of the ice-proof equipment. If a rope is attached to the tow metal and tow it, the life raft can be towed on the drift ice and on the ice board. Also, by attaching the tow metal fitting to the wire fixed to the bottom plate, it is easy for the tow rope to guide and retract on the ice floe when towed. The anchor J is attached to the anchor suspension rope K via the detachable metal fitting L. When using the life raft in the wind, remove the anchor from the anchor hanging rope at the detachable metal fitting after the raft has landed, and pull the raft metal fitting G.
The stability of the raft can be further improved by attaching to the raft. F. Example Fig. 1 shows a wearable ice-proof equipment for a life raft. The side plate is divided into eight parts, and it can be attached even if the life raft is circular or polygonal such as octagon. It is not necessary to make the number of side plates divided into a certain number depending on the size of the raft, but for a raft with a capacity of about 10 passengers, good results were obtained from eight experiments. The method of attaching the anti-icing equipment to the life raft was sufficient by using the raft hanging rope attachment metal fitting I provided near the hinge part and connecting it with the rope attachment part of the life raft and the rope. The inward rotation of the side plate was restricted by the ratchet type stopper D so as to be constant. This was an important requirement of the present invention because, when the side plate was excessively rotated, the side plate was pressed against the raft and the function of rising up to the ice plate was decreased from the experiment. By attaching the tow metal fitting G and the wire H to the bottom plate, the life raft could be towed on the drift ice and on the ice board. When not towing, the towing metal fitting was tied to the launching guide metal fitting F through the gap between the side plates, but there was no problem. In an emergency, a life raft will be deployed on board, and the crew will hang it before launching. Experiments using anchors were carried out in order to launch under strong winds or to stabilize the raft under winds, but sufficient performance was obtained. Figure 2 shows the anchor. The anchor has a removable metal fitting L, a weight M, and a simple water shutoff valve N. The anchor was attached to the anchor suspension rope K or the tow metal fitting G of the wearable ice-proof equipment and was thrown into the sea. However, it was sunk into the sea due to the weight and seawater entered from the simple shut-off valve, which could effectively function as an anchor. It was. If the anchor was accidentally dropped on the sea, a float P was attached so that it would float on the sea. The anchor can be easily recovered because the seawater in the anchor is removed by raising the float P. Fig. 3 shows the stowage method of the life raft using the wearable ice-proof equipment for the life raft. Since the wearable ice-proof equipment considered dividing the side plate so that it could also serve as a container for storing the inflatable life raft, it was good to hang a waterproof sheet P and fix it with a fixed rope R. Fig. 4 shows an example in which the life-saving raft mounting type ice-proof equipment is mounted on a fully closed boat instead of on an inflatable life-rafting raft. It was difficult for a fully closed boat to hit the ice floe smoothly when it was pressed by a fully closed boat, but with the wearable ice-proof equipment, the same ice resistance as when attached to a life raft was maintained. did it. G. EFFECTS OF THE INVENTION According to the present invention, an inflatable life raft can be used as a life-saving facility that can be used in cold waters such as the Arctic Ocean where it has not been possible to use before, and an ice-sea life-saving system using the life raft can be configured. Became. That is, if the life raft itself is improved in heat retention and cold resistance of the air-chamber cloth by a known technique and the wearable ice-proof equipment of the present invention is installed, not only it can be applied to an ice sea, but also
If it is attached to a conventional raft as it is, it will be useful even in drift ice areas such as the Sea of Okhotsk.

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

第１図は救命筏用装着式耐氷設備を示したものである． 第２図はアンカーを示したものである． 第３図は救命筏用装着式耐氷設備による救命筏の積付け
法を示したものである． 第４図は救命筏用装着式耐氷設備を全閉型艇に装着した
例である．Fig. 1 shows a wearable ice-proof equipment for life raft. Figure 2 shows the anchor. Figure 3 shows the life raft stowage method using the life-saving raft-mounted ice-proof equipment. Fig. 4 shows an example of installing a life-saving raft mounting type ice-resistant equipment on a fully closed boat.

Claims (3)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】氷盤の浮遊する海上において膨張式救命筏
が氷盤との衝突や接触、圧迫により損傷するのを防止す
るため、膨張式救命筏とは別体として膨張式救命筏の周
囲に装着して使用する設備で、剛性体の底板と剛性体の
複数の側板とをヒンジ機構により接合し、側板同士をゴ
ム引布で接合するとともに、側板は内側へはストッパー
により一定の角度まで、外側へはゴム引布の展張により
一定の角度までそれぞれ回転可能として氷盤からの圧力
に対し柔軟性をもつ耐氷構造としたことを特徴とする救
命筏用装着式耐氷設備。1. An inflatable life raft as a separate body from the inflatable life raft in order to prevent the inflatable life raft from being damaged due to collision, contact or pressure with the ice board in the floating sea. In the equipment to be used by attaching to, the rigid bottom plate and multiple side plates of the rigid body are joined by a hinge mechanism, the side plates are joined by a rubberized cloth, and the side plates are inward until a certain angle by a stopper. , A wearable ice-proof equipment for life raft, which has an ice-proof structure that is flexible to the pressure from the ice board and can be rotated to a certain angle by spreading rubberized cloth to the outside. 【請求項２】進水用の吊下げロープを取付けた請求項１
の救命筏用装着式耐氷設備。2. A hanging rope for launching is attached.
Wearable ice-proof equipment for life raft. 【請求項３】アンカーを別体として着脱自在に取付けた
請求項１の救命筏用装着式耐氷設備。3. The wearable ice-proof equipment for a life raft according to claim 1, wherein the anchor is detachably attached as a separate body.
JP2031468A 1990-02-14 1990-02-14 Wearable ice-proof equipment for life raft Expired - Lifetime JP2500320B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2031468A JP2500320B2 (en) 1990-02-14 1990-02-14 Wearable ice-proof equipment for life raft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2031468A JP2500320B2 (en) 1990-02-14 1990-02-14 Wearable ice-proof equipment for life raft

Publications (2)

Publication Number Publication Date
JPH03235795A JPH03235795A (en) 1991-10-21
JP2500320B2 true JP2500320B2 (en) 1996-05-29

Family

ID=12332095

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2031468A Expired - Lifetime JP2500320B2 (en) 1990-02-14 1990-02-14 Wearable ice-proof equipment for life raft

Country Status (1)

Country Link
JP (1) JP2500320B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM464401U (en) * 2013-07-17 2013-11-01 Recovery King Internat Co Ltd Salvaging and rescuing structure

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61163091A (en) * 1985-01-14 1986-07-23 Mitsubishi Electric Corp Suspended liferaft
JPS6396B2 (en) * 1983-04-07 1988-01-05 Kawasaki Steel Co

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4956692U (en) * 1972-08-27 1974-05-18
JPH0313120Y2 (en) * 1986-06-13 1991-03-26
JPH0311118Y2 (en) * 1986-06-19 1991-03-18

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6396B2 (en) * 1983-04-07 1988-01-05 Kawasaki Steel Co
JPS61163091A (en) * 1985-01-14 1986-07-23 Mitsubishi Electric Corp Suspended liferaft

Also Published As

Publication number Publication date
JPH03235795A (en) 1991-10-21

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