JP2002267794A - Ring changed in shape by heating, and protective clothing and entrance mechanism using it - Google Patents
Ring changed in shape by heating, and protective clothing and entrance mechanism using itInfo
- Publication number
- JP2002267794A JP2002267794A JP2001064153A JP2001064153A JP2002267794A JP 2002267794 A JP2002267794 A JP 2002267794A JP 2001064153 A JP2001064153 A JP 2001064153A JP 2001064153 A JP2001064153 A JP 2001064153A JP 2002267794 A JP2002267794 A JP 2002267794A
- Authority
- JP
- Japan
- Prior art keywords
- ring
- lid
- annular
- heating
- convex portion
- 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
Landscapes
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、形状記憶合金を含
有する加熱により形状変化を生じるリング、該リングを
用いる放射性汚染防護用防護服及び該防護服内に非汚染
区域から作業者が放射性汚染を生じることなく出入する
ための該リングを含む作業者の出入り機構に関するもの
である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ring containing a shape memory alloy, which changes its shape by heating, a protective suit for radioactive contamination protection using the ring, and a radioactive contamination inside the protective suit from a non-contaminated area. The present invention relates to a worker's access mechanism including the ring for entering and exiting without causing a problem.
【０００２】[0002]
【従来の技術】原子力施設等において、放射性汚染を受
けた区域で作業する場合には、防護服を着用する。防護
服を着用して作業するときには、その防護服の外側は放
射性汚染を受けていることから、非汚染区域へ移動する
際には、その汚染を除去することが必要である。しかし
ながら、この汚染の除去には多くの手間を要する。特公
平７−９５１１３号公報には、防護服を着用した状態で
汚染区域と非汚染区との間を出入せずに、作業者のみが
防護服と非汚染区域との間を安全に出入することを可能
とした出入り機構が提案されている。この機構において
は、その汚染区域と非汚染区域との間を隔離する側壁の
出入り口開口部に対して蓋体を着脱するのにネジを使用
することから、その蓋体の着脱操作が面倒で、操作に熟
練が必要であるという問題があった。2. Description of the Related Art When working in a radioactively contaminated area in a nuclear facility or the like, wear protective clothing. When working with protective clothing, the outside of the protective clothing is radioactively contaminated, so it is necessary to remove the contamination when moving to a non-contaminated area. However, removal of this contamination requires a lot of trouble. Japanese Patent Publication No. 7-95113 discloses that only a worker safely enters and exits between a protective suit and a non-polluted area without entering and leaving the contaminated area and the non-polluted area while wearing protective clothing. There has been proposed an entry / exit mechanism that enables this. In this mechanism, screws are used to attach and detach the lid to the entrance opening of the side wall that separates the contaminated area from the non-contaminated area, so the attaching and detaching operation of the lid is troublesome, There was a problem that operation required skill.
【０００３】[0003]
【発明が解決しようとする課題】本発明は、隔壁に形成
された出入り口開口部に蓋体を着脱する際に、ネジやボ
ルトの使用を必要としない出入機構を提供するととも
に、該機構に関連する防護服及び連結手段を提供するこ
とをその課題とする。SUMMARY OF THE INVENTION The present invention provides an access mechanism which does not require the use of screws or bolts when attaching and detaching a lid to an access opening formed in a partition wall. It is an object of the present invention to provide protective clothing and connecting means.
【０００４】[0004]
【課題を解決するための手段】本発明者らは、前記課題
を解決すべく鋭意研究を重ねた結果、本発明を完成する
に至った。即ち、本発明によれば、以下に示す加熱によ
り形状変化を生じるリングと、該リングを用いる防護服
及び出入機構が提供される。 （１）加熱により形状変化を生じる一部切欠部を有する
リング状体であって、（ｉ）該リングの周方向に沿って
弾性体を有すること、（ii）該リングの周方向に沿って
形状記憶合金を有すること、（iii)該形状記憶合金は加
熱によりその曲率半径が大きくなるか又は小さくなるも
のであること、を特徴とする形状記憶合金を含有する加
熱により形状変化を生じるリング。 （２）外周端面に沿って嵌合用凹部を有する前記（１）
又は（２）のリング。 （３）外周端面に沿って嵌合用凸部を有する前記（１）
又は（２）のリング。 （４）内周端面に沿って嵌合用凹部を有する前記（１）
のリング。 （５）内周端面に沿って嵌合用凸部を有する前記（１）
のリング。 （６）該形状記憶合金を加熱する手段を有する前記
（１）〜（５）のいずれかのリング。 （７）該加熱手段が電気抵抗体からなり、該電気抵抗体
は該形状記憶合金とともに該リング内に一体に配設され
ている前記（１）〜（６）のいずれかのリング。 （８）加熱用の電気抵抗体を有するとともに、外周端面
に嵌合用凹部を有し、加熱によりその曲率半径を拡大す
るように形状変化を生じる前記（１）のリング。 （９）加熱用の電気抵抗体を有するとともに、外周端面
に嵌合用凹部を有し、加熱によりその曲率半径を縮小す
るように形状変化を生じる前記（１）のリング。 （１０）加熱用の電気抵抗体を有するとともに、内周端
面に嵌合用凹部を有し、加熱によりその曲率半径を拡大
するように形状変化を生じる前記（１）のリング。 （１１）加熱用の電気抵抗体を有するとともに、内周端
面に嵌合用凹部を有し、加熱によりその曲率半径を縮小
するように形状変化を生じる前記（１）のリング。 （１２）作業者が出入りする開口部を有する放射性汚染
防護用防護服であって、該開口部に接続する蓋枠を有
し、該蓋枠には蓋体が着脱自在に装着され、該蓋枠と該
蓋体との接合手段として、前記（１）〜（１１）のいず
れかのリングが用いられていることを特徴とする放射性
汚染防護用防護服。 （１３）汚染区域内で着用するエアラインスーツ内に非
汚染区域から出入りする機構であって、（ｉ）該汚染区
域と該非汚染区域とを仕切る側壁に形成された円形状出
入口の周囲に沿って配接された環状の第１蓋枠、（ii）
該出入口開口より大きな直径を有し、該汚染区域内に位
置する第２蓋枠、（iii)該出入口開口より大きな直径を
有し、該非汚染区域内に位置する第１蓋体及び（iv）該
出入口開口より小さな直径を有する第２蓋体からなり、
（ｖ）該第１蓋枠にはその汚染区域に対向する側に連設
され、内側に向って突出する第１環状凸部と、その非汚
染区域に対向する側に連設されている内側に向って突出
する第２環状凸部を有し、（vi）該第２蓋枠の外側に
は、該蓋枠に連接されている内側に向って突出する第１
環状凸部と、該蓋枠に連設され、該第１環状凸部より小
さい直径を有し、かつ該第１環状凸部と同心円的に配設
されている外側に向って突出する第２環状凸部と、該２
つの環状凸部の間に外側に向って突出する環状隔離板が
配設され、（vii）該第２蓋枠の環状隔離板の外周面と
該第２蓋枠の第１環状凸部との間に外周端面に凹部を有
する形状記憶合金を有する第１リングが配設され、該隔
離板の内周面と該第２環状凸部との間に内周端面に凹部
を有する形状記憶合金を有する第２リングが配設され、
（viii）該第１蓋体の汚染区域に対向する側の周縁部に
は、該蓋体に連設されている内側に向って突出する第１
環状凸部と、該蓋体に連接され、該第１環状凸部より小
さい直径を有しかつ該第１環状凸部と同心円的に配設さ
れている外側に向って突出する第２環状凸部と、該２つ
の環状凸部の間に外側に向って突出する環状隔離板が配
設され、（ix）該第２蓋枠の環状隔離板の外周面と該第
２蓋枠の第１環状凸部との間に外周端面に嵌合凹部を有
する形状記憶合金を有する第１リングが配設され、該第
２蓋枠の隔離板の内周面と該第１蓋体の第２環状凸部と
の間に内周端面に嵌合凹部を有する形状記憶合金を有す
る第２リングが配設され、（ｘ）該第１蓋体の環状隔離
板の外周面と該第１蓋体の第１環状凸部との間に外周端
面に嵌合凹部を有する形状記憶合金を有する第１リング
が配設され、該第１蓋体の隔離板の内周面と該第１蓋体
の第２環状凸部との間に内周端面に嵌合凹部を有する形
状記憶合金を有する第２リングが配設され、（xi）該第
２蓋体には、その汚染区域に対向する側に該第２蓋体に
連接されている外側方向に突出する第１環状凸部と、そ
の非汚染区域に対向する側に該第２蓋体に連接されてい
る外側方向に突出する第２環状凸部が配設され、（xi
i）該第２蓋枠に配置されている第１リング及び第２リ
ングはいずれも加熱によりその曲率半径を大きくし、一
方、該第１蓋体に配置されている第１リングと第２リン
グはいずれも加熱によりその曲率半径を小さくし、（xi
ii）該第２蓋枠は該エアラインスーツの作業者出入口部
周囲に装着されている、ことを特徴とする汚染区域と非
汚染区域に出入する機構。 （１４）該第２蓋枠の第１リングは前記（８）のリング
からなり、該第２リングは前記（１０）のリングからな
る前記（１３）の機構。 （１５）該第１蓋体の第１リングは前記（９）のリング
からなり、第２リングは前記（１１）のリングからなる
前記（１１）の機構。Means for Solving the Problems The present inventors have conducted intensive studies to solve the above-mentioned problems, and as a result, have completed the present invention. That is, according to the present invention, there is provided a ring whose shape is changed by heating described below, a protective suit using the ring, and an access mechanism. (1) A ring-shaped body having a partially notched portion that changes shape by heating, (i) having an elastic body along the circumferential direction of the ring, and (ii) having an elastic body along the circumferential direction of the ring. A ring that changes shape by heating containing a shape memory alloy, characterized in that the ring has a shape memory alloy, and (iii) the radius of curvature of the shape memory alloy is increased or decreased by heating. (2) The above (1) having a fitting concave portion along the outer peripheral end surface.
Or the ring of (2). (3) The above (1) having a fitting projection along the outer peripheral end surface.
Or the ring of (2). (4) The above (1) having a fitting recess along the inner peripheral end surface.
Ring. (5) The above (1) having a fitting projection along the inner peripheral end surface.
Ring. (6) The ring according to any one of (1) to (5), further comprising a means for heating the shape memory alloy. (7) The ring according to any one of (1) to (6), wherein the heating means is formed of an electric resistor, and the electric resistor is disposed integrally with the shape memory alloy in the ring. (8) The ring according to (1), which has an electric resistor for heating, has a recess for fitting on the outer peripheral end face, and changes its shape by heating to increase its radius of curvature. (9) The ring according to the above (1), which has an electric resistor for heating, has a recess for fitting on the outer peripheral end face, and changes its shape by heating so as to reduce its radius of curvature. (10) The ring according to (1), which has an electric resistor for heating, has a recess for fitting on the inner peripheral end face, and changes its shape by heating to increase its radius of curvature. (11) The ring according to the above (1), which has an electric resistor for heating, has a recess for fitting on the inner peripheral end face, and changes its shape so as to reduce its radius of curvature by heating. (12) A protective suit for radioactive contamination protection having an opening through which an operator enters and exits, having a lid frame connected to the opening, a lid body is detachably mounted on the lid frame, and the lid is A protective suit for protecting radioactive contamination, wherein the ring according to any one of the above (1) to (11) is used as means for joining the frame and the lid. (13) A mechanism for entering and exiting an airline suit worn in a contaminated area from a non-contaminated area, and (i) along a periphery of a circular entrance formed on a side wall separating the contaminated area and the non-contaminated area. An annular first lid frame, which is connected and connected to the first lid frame; (ii)
A second lid frame having a larger diameter than the entrance opening and located in the contaminated area; (iii) a first lid body having a larger diameter than the entrance opening and located in the non-contaminated area; and (iv) A second lid having a smaller diameter than the entrance opening;
(V) The first lid frame is continuously provided on the side facing the contaminated area, and has a first annular protrusion protruding inward, and the inner side provided continuously on the side opposed to the non-contaminated area. (Vi) outside the second lid frame, a first annular projection projecting inwardly connected to the lid frame.
An annular projection, a second projecting outwardly from the lid frame, having a smaller diameter than the first annular projection, and projecting concentrically with the first annular projection; An annular convex portion;
An annular separator protruding outwardly is provided between the two annular protrusions; and (vii) an outer peripheral surface of the annular separator of the second lid frame and the first annular protrusion of the second lid frame. A first ring having a shape memory alloy having a concave portion on an outer peripheral end surface is disposed therebetween, and a shape memory alloy having a concave portion on an inner peripheral end surface between the inner peripheral surface of the separator and the second annular convex portion is provided. A second ring having
(Viii) The first lid protrudes inward from the peripheral portion of the first lid facing the contaminated area, the first lid protruding inward.
An annular projection, a second annular projection connected to the lid, having a smaller diameter than the first annular projection, and protruding outwardly disposed concentrically with the first annular projection; And an annular separator protruding outward between the two annular protrusions, and (ix) an outer peripheral surface of the annular separator of the second lid frame and a first of the second lid frame. A first ring having a shape memory alloy having a fitting recess on an outer peripheral end surface is disposed between the annular convex portion and an inner peripheral surface of a separator of the second lid frame and a second annular shape of the first lid body. A second ring having a shape memory alloy having a fitting concave portion on an inner peripheral end surface between the convex portion and the convex portion is provided, and (x) an outer peripheral surface of an annular separator of the first lid and a first ring of the first lid A first ring having a shape memory alloy having a fitting concave portion on an outer peripheral end surface is disposed between the first annular convex portion and an inner peripheral surface of a separator of the first lid and a first ring of the first lid. With two annular projections A second ring having a shape memory alloy having a fitting concave portion on an inner peripheral end face is disposed therebetween, and (xi) the second lid is connected to the second lid on a side facing the contaminated area. A first annular protrusion protruding outward and a second annular protrusion protruding outward connected to the second lid on a side facing the non-contaminated area; xi
i) Both the first ring and the second ring disposed on the second lid frame increase their radius of curvature by heating, while the first ring and the second ring disposed on the first lid body. Reduces the radius of curvature by heating, and (xi
ii) The mechanism for entering and exiting the contaminated area and the non-contaminated area, wherein the second lid frame is mounted around a worker entrance and exit of the airline suit. (14) The mechanism according to (13), wherein the first ring of the second lid frame comprises the ring of (8), and the second ring comprises the ring of (10). (15) The mechanism according to (11), wherein the first ring of the first lid body is formed of the ring of (9), and the second ring is formed of the ring of (11).
【０００５】[0005]
【発明の実施の形態】本発明による加熱によりその形状
を可逆的に変化させるリングは、その内部に形状記憶合
金を有するとともに、そのリングの一部が切欠されたも
のである。そのリングの１つの実施例を図１に示す。こ
の図において、Ｒはリングを示し、その一部は切欠され
ている。この切欠の大きさは、使用する形状記憶合金等
により変るが、そのリングを加熱したときに生じるリン
グの曲率半径の拡張や縮小に応じて適宜決めればよい。
図１における３は加熱用の電気抵抗体を示し、Ｌは切欠
部を示す。このリングＲの断面は種々の構造を有するこ
とができる。図２にその断面構造図を示す。図２におい
て、１は形状記憶合金（帯状、線状等）、２は弾性体
（帯状、線状等）、４は成形材料を示す。図２（ａ）
は、その内周端面に沿って凹部５が形成されている例を
示す。図２（ｂ）は、その外周端面に沿って凹部５が形
成されている例を示す。図２（ｃ）は、その内周端面に
沿って凸部６が形成されている例を示す。図２（ｄ）
は、その外周端面に沿って凸部６が形成されている例を
示す。図２においては、リングＲの断面形状は、長方形
として示されているが、他の形状、例えば円形状や他の
多角形状等であることができる。BEST MODE FOR CARRYING OUT THE INVENTION A ring according to the present invention whose shape is reversibly changed by heating has a shape memory alloy therein and a part of the ring is cut away. One embodiment of the ring is shown in FIG. In this figure, R indicates a ring, a part of which is cut away. The size of the notch varies depending on the shape memory alloy or the like to be used, but may be appropriately determined according to the expansion or contraction of the radius of curvature of the ring generated when the ring is heated.
In FIG. 1, 3 indicates a heating electric resistor, and L indicates a notch. The cross section of the ring R can have various structures. FIG. 2 shows a sectional structural view thereof. In FIG. 2, 1 is a shape memory alloy (band, linear, etc.), 2 is an elastic body (band, linear, etc.), and 4 is a molding material. FIG. 2 (a)
Shows an example in which the concave portion 5 is formed along the inner peripheral end surface. FIG. 2B shows an example in which the concave portion 5 is formed along the outer peripheral end surface. FIG. 2C shows an example in which the convex portion 6 is formed along the inner peripheral end surface. FIG. 2 (d)
Shows an example in which the convex portion 6 is formed along the outer peripheral end surface. In FIG. 2, the cross-sectional shape of the ring R is shown as a rectangle, but may be another shape, for example, a circular shape or another polygonal shape.
【０００６】図１及び図２に示したリングＲは、ある曲
率半径ａに形状記憶させた形状記憶合金１と、別な曲率
半径ｂに加工した帯状の弾性体（バネ、鋼、プラスチッ
ク、ＦＲＰ等の弾性体）２とを組合せて、成形材料（樹
脂、低融点合金等）４で一体化（複合化）させたもので
ある。この場合、成形材料４は必ずしも必要とされず、
弾性体により一体化させることもできる。このリング
は、加熱時（高温時）には曲率半径ａ’を有し、低温時
（未加熱時）には曲率半径ｂ’を有するように設計され
ている。A ring R shown in FIGS. 1 and 2 has a shape memory alloy 1 having a shape memory with a certain radius of curvature a and a band-shaped elastic body (spring, steel, plastic, FRP) processed with another radius of curvature b. And the like, and integrated (composite) with a molding material (resin, low melting point alloy, etc.) 4. In this case, the molding material 4 is not necessarily required,
They can be integrated by an elastic body. The ring is designed to have a radius of curvature a 'when heated (high temperature) and a radius of curvature b' when low temperature (unheated).
【０００７】形状記憶合金としては、通常、Ｔｉ−Ｎｉ
合金が用いられているが、形状記憶を有するもので、か
つ低温時と高温時の弾性率に差があるもの（タイリン
グ）であればよい。[0007] As a shape memory alloy, Ti-Ni is usually used.
An alloy is used, but any material having shape memory and having a difference in elastic modulus between low temperature and high temperature (tiling) may be used.
【０００８】前記曲率半径ａ、ａ’、ｂ、ｂ’におい
て、ａ＞ａ’＞ｂ’＞ｂの関係になるように設計すれ
ば、そのリングＲは、高温時に半径が大きくなり、高温
時に曲率半径ａ’、低温時に曲率半径ｂ’を有するリン
グ（タイリング）となる。If the curvature radii a, a ', b, b' are designed so as to satisfy the relationship a> a '>b'> b, the radius of the ring R becomes large at a high temperature and becomes large at a high temperature. A ring (tiling) having a radius of curvature a 'and a radius of curvature b' at a low temperature is obtained.
【０００９】一方、曲率半径ａ、ａ’、ｂ、ｂ’におい
て、ｂ＞ｂ’＞ａ’＞ａの関係になるように設計すれ
ば、そのリングＲは、低温時に曲率半径ｂ’を有し、加
熱時に曲率半径ａ’を有するリング（タイリング）とな
る。On the other hand, if the curvatures a, a ', b, and b' are designed so as to satisfy the relationship of b> b '>a'> a, the ring R has a curvature radius b 'at a low temperature. Then, a ring (tiling) having a radius of curvature a ′ at the time of heating is obtained.
【００１０】リングＲを加熱するためには、図１に示す
ように、形状記憶合金１に、電熱線（ニクロム線等の抵
抗体）を螺旋状に巻きつけるか又はその近くに配置すれ
ばよい。In order to heat the ring R, as shown in FIG. 1, a heating wire (resistor such as a nichrome wire) may be spirally wound around the shape memory alloy 1 or disposed near the same. .
【００１１】高温時にその半径が大きくなるように設計
されたリングＲは、その電気抵抗体３に通電して、その
リング内の形状記憶合金１をその相変態点温度以上に加
熱すると、その半径は大きくなり、そのリングの外周端
面に物を接触させていると、その物を外方に強く押圧す
る。A ring R designed to have a large radius at a high temperature is energized through its electric resistor 3 to heat the shape memory alloy 1 in the ring to a temperature equal to or higher than its phase transformation point. Increases, and when an object is brought into contact with the outer peripheral end surface of the ring, the object is strongly pressed outward.
【００１２】一方、高温時にその半径が小さくなるよう
に設計されたリングＲは、その電気抵抗３に通電して、
そのリング内の形状合金１をその相変態点温度以上に加
熱すると、その半径は小さくなり、そのリングの内周端
面に物を接触させていると、そのものを強く締付ける。On the other hand, a ring R designed so that its radius becomes small at high temperature, is energized by its electric resistance 3 and
When the shaped alloy 1 in the ring is heated to the phase transformation point temperature or higher, its radius becomes smaller, and when an object is brought into contact with the inner peripheral end face of the ring, the ring is strongly tightened.
【００１３】本発明による汚染区域内で着用するエアラ
インスーツ内に非汚染区域から作業者が出入する機構
は、前記加熱により可逆的に形状変化を生じるリングを
利用するもので、ネジやボルトなどの締付け具を実質上
使用しないものである。次に本発明の出入機構を図面を
参照して説明する。図３は、作業者が汚染区域と非汚染
区域との間を出入する機構の説明図を示す。図３におい
て、７は第２蓋枠、８は第２蓋体、９は第１蓋枠、１０
は第１蓋体、１１は防護服を示す。第２蓋枠７は、防護
服の開口部周囲に装着されている。図４は、作業者が汚
染区域と非汚染区域との間を出入する際の出入機構の構
成図を示す。図５及び図６は、図４の構成図の部分Ｙの
拡大図を示す。図７は、図４の機構の斜視図を示す。こ
れらの図において、Ｒ1（ａ）及びＲ1（ｂ）は、加熱に
よりその半径が拡大するリングを示す。Ｒ2（ａ）とＲ2
（ｂ）は、いずれも加熱によりその半径が縮小するリン
グを示す。Ｅはリング内に配設された加熱用の抵抗体に
接続する電線を示す。[0013] The mechanism according to the present invention for a worker to enter and exit an airline suit worn in a contaminated area from a non-contaminated area utilizes a ring that reversibly changes its shape due to the heating, such as a screw or a bolt. Is not substantially used. Next, the access mechanism of the present invention will be described with reference to the drawings. FIG. 3 is an explanatory view of a mechanism by which an operator enters and exits between a contaminated area and a non-contaminated area. In FIG. 3, 7 is a second lid frame, 8 is a second lid body, 9 is a first lid frame, 10
Denotes a first lid, and 11 denotes a protective suit. The second lid frame 7 is mounted around the opening of the protective clothing. FIG. 4 shows a configuration diagram of an access mechanism when an operator enters and exits between a contaminated area and a non-contaminated area. 5 and 6 show enlarged views of a portion Y in the configuration diagram of FIG. FIG. 7 shows a perspective view of the mechanism of FIG. In these figures, R 1 (a) and R 1 (b) denote rings whose radius increases upon heating. R 2 (a) and R 2
(B) shows a ring whose radius is reduced by heating. E indicates an electric wire connected to a heating resistor provided in the ring.
【００１４】図５及び図６において、７は第２蓋枠を示
し、２１及び２２はそれに連接された環状凸部をそれぞ
れ示す。２１は第１環状凸部及び２２は第２環状凸部を
示す。また、２３及び２４は嵌合用の環状凹部を示し、
第１環状凹部３３は第１環状凸部２１と嵌合し、第２環
状凹部２４は第２環状凸部２２と嵌合する。２５は環状
隔離板であり、その先端部はテーパ状に形成されてい
る。In FIGS. 5 and 6, reference numeral 7 denotes a second lid frame, and reference numerals 21 and 22 denote annular projections connected thereto. 21 indicates a first annular convex portion and 22 indicates a second annular convex portion. Reference numerals 23 and 24 denote annular recesses for fitting,
The first annular concave portion 33 is fitted with the first annular convex portion 21, and the second annular concave portion 24 is fitted with the second annular convex portion 22. Reference numeral 25 denotes an annular separator, the tip of which is formed in a tapered shape.
【００１５】図５は低温（常温）時の状態を示す。この
場合、リングＲ1（ａ）は未変形で、その半径が小さ
く、凸部２１と凹部２３とは未嵌合である。また、リン
グＲ1（ｂ）も未変形であり、その半径は小さく、そし
て凸部２２と凹部２４とは嵌合している。FIG. 5 shows a state at a low temperature (normal temperature). In this case, the ring R 1 (a) is not deformed, its radius is small, and the convex portion 21 and the concave portion 23 are not fitted. The ring R 1 (b) is also undeformed, its radius is small, and the projection 22 and the recess 24 are fitted.
【００１６】図６は高温時（加熱時）の状態を示す。こ
の場合、リングＲ1（ａ）は変形を生じ、その半径は拡
大され、凸部２１と凹部２３とは嵌合している。また、
リングＲ1（ｂ）も変形を生じ、その半径は拡大され、
そして、凸部２２と凹部２４とは未嵌合となる。FIG. 6 shows a state at the time of high temperature (at the time of heating). In this case, the ring R 1 (a) is deformed, its radius is enlarged, and the convex portion 21 and the concave portion 23 are fitted. Also,
Ring R 1 (b) also deforms, its radius is enlarged,
Then, the convex portion 22 and the concave portion 24 are not fitted.
【００１７】図５及び図６において、１０は第１蓋体を
示し、２６及び２７はそれに連接された環状凸部をそれ
ぞれ示す。２６は第１環状凸部及び２７は第２環状凸部
を示す。また、２８及び２９は嵌合用の環状凹部を示
し、第１環状凹部２８は第１環状凸部２６と嵌合し、第
２環状凹部２９は第２環状凸部２７と嵌合する。３０は
環状隔離板であり、その先端部はテーパ状に形成されて
いる。5 and 6, reference numeral 10 denotes a first lid, and reference numerals 26 and 27 denote annular projections connected thereto. 26 denotes a first annular projection and 27 denotes a second annular projection. Reference numerals 28 and 29 denote annular concave portions for fitting. The first annular concave portion 28 is fitted to the first annular convex portion 26, and the second annular concave portion 29 is fitted to the second annular convex portion 27. Reference numeral 30 denotes an annular separator, the tip of which is formed in a tapered shape.
【００１８】図５は低温（常温）時の状態を示す。この
場合、リングＲ2（ａ）は未変形で、その半径が大き
く、凸部２７と凹部２９とは未嵌合である。また、リン
グＲ2（ｂ）も未変形で、その半径は大きく、そして、
凸部２６と凹部２８とは嵌合している。FIG. 5 shows a state at a low temperature (normal temperature). In this case, the ring R 2 (a) is not deformed, its radius is large, and the convex portion 27 and the concave portion 29 are not fitted. The ring R 2 (b) is also undeformed, its radius is large, and
The convex portion 26 and the concave portion 28 are fitted.
【００１９】図６は高温時（加熱時）の状態を示す。こ
の場合、リングＲ2（ａ）は変形を生じ、その半径が縮
小され、凸部２７と凹部２９とは嵌合している。また、
リングＲ2（ｂ）も変形を生じ、その半径は縮小され、
そして、凸部２６と凹部２８とは未嵌合となる。FIG. 6 shows a state at the time of high temperature (at the time of heating). In this case, the ring R 2 (a) is deformed, its radius is reduced, and the convex portion 27 and the concave portion 29 are fitted. Also,
Ring R 2 (b) also deforms, its radius is reduced,
Then, the convex portion 26 and the concave portion 28 are not fitted.
【００２０】図５及び図６において、８は第２蓋体を示
し、３１及び３２はそれに連設された環状凸部をそれぞ
れ示す。３１は第１環状凸部及び３２は第２環状凸部を
示す。第２蓋体の先端ヘッドは、テーパ状に形成されて
いる。図５はその低温（常温）時の状態を示す。この場
合、その凸部３１は、第２蓋枠のリングＲ1（ｂ）の凹
部２４に、第２蓋枠７の凸部２２とともに嵌合し、第２
蓋枠７と第２蓋体１０は気密的に接合している。In FIGS. 5 and 6, reference numeral 8 denotes a second lid, and reference numerals 31 and 32 denote annular projections connected to the second lid, respectively. Reference numeral 31 denotes a first annular convex portion, and 32 denotes a second annular convex portion. The tip head of the second lid is formed in a tapered shape. FIG. 5 shows the state at the time of low temperature (normal temperature). In this case, the projection 31 fits into the recess 24 of the ring R 1 (b) of the second lid frame together with the projection 22 of the second lid frame 7,
The lid frame 7 and the second lid 10 are hermetically joined.
【００２１】図６はその高温時（加熱時）状態を示す。
この場合、その凸部３１は第２蓋枠の凹部２４から離脱
し、一方、その凸部３２は、第１蓋体のリングＲ
2（ａ）の凹部２９に嵌合し、第２蓋体１０と第２蓋体
８とが気密的に接合している。FIG. 6 shows the state at the time of high temperature (at the time of heating).
In this case, the convex portion 31 is separated from the concave portion 24 of the second lid frame, while the convex portion 32 is formed by the ring R of the first lid body.
2 The second lid 10 and the second lid 8 are air-tightly fitted into the recess 29 of FIG.
【００２２】図５及び図６において、９は第１蓋枠を示
し、３５及び３６はそれに連設された環状凸部を示す。
３５は第１環状凸部、３６は第２環状凸部を示し、何れ
も内側方向に突出している。図５は低温時の状態を示
す。この場合、その凸部３５は未嵌合の状態で、凸部３
６は第１蓋体１０のリングＲ2（ｂ）の凹部２８に第１
蓋体の凸部２６とともに嵌合し、蓋枠９と第１蓋体１０
とが気密的に接合している。図６はその高温時（加熱
時）の状態を示す。この場合、蓋枠９の凸部３５は第２
蓋枠の第１リングＲ1（ａ）の凹部２３に、第２蓋枠の
凸部２１とともに嵌合し、蓋枠９と第２蓋枠７とが気密
的に接合している。In FIGS. 5 and 6, reference numeral 9 denotes a first lid frame, and reference numerals 35 and 36 denote annular projections connected thereto.
Reference numeral 35 denotes a first annular projection, and 36 denotes a second annular projection, both of which protrude inward. FIG. 5 shows a state at a low temperature. In this case, the protrusion 35 is not fitted, and the protrusion 3
6 is the first cover 10 in the recess 28 of the ring R 2 (b).
The lid frame 9 and the first lid 10 are fitted together with the projection 26 of the lid.
And are joined airtightly. FIG. 6 shows the state at the time of high temperature (at the time of heating). In this case, the projection 35 of the lid frame 9 is
The cover frame 9 and the second cover frame 7 are hermetically joined together with the concave portion 23 of the first ring R 1 (a) of the cover frame together with the projection 21 of the second cover frame.
【００２３】前記のように、汚染区域に位置する第２蓋
枠７を、第２蓋体８と気密的に接合させるとともに、第
１蓋枠９に蓋枠１０を気密的に接合させるときには（図
５）、第２蓋枠７を脱離させても、汚染区域を非汚染区
域とは完全に遮断することができる。この場合には、第
２蓋枠７に接合した第２蓋体８により防護服の開口部は
気密的に密閉され、防護服内は汚染を受けないことか
ら、この状態で作業者は作業することができる。また、
汚染区域に位置する第２蓋枠７を、隔壁１２に連接され
た第１蓋枠９に対して気密的に接合させるとともに、第
２蓋体８と第１蓋体１０とを気密的に接合させるときに
は（図６）、第１蓋体１０と、第２蓋体８とを、第１蓋
枠９及び第２蓋枠７からそれぞれ脱離させても、汚染区
域と非汚染区域とは完全に遮断される。そして、この場
合には、第２蓋枠７の開口部Ｈが非汚染区域に露出して
いるので、作業者は、その開口部Ｈを介して防護服内に
出入りすることができる。作業者がその開口部Ｈを介し
て防護服内に入った後には、図５に示すように、第２蓋
体８をその防護服１１に付設された第２蓋枠７に接合さ
せるとともに、第１蓋枠９に第１蓋体１０を接合させ
る。この場合には、第２蓋体８は、第１蓋枠９及び第１
蓋体１０から脱離された状態であることから、作業者
は、その第２蓋体８で密封された防護服を着用すること
となり、自由に作業を行うことができる。As described above, when the second lid frame 7 located in the contaminated area is airtightly joined to the second lid body 8 and the lid frame 10 is airtightly joined to the first lid frame 9 ( 5), even if the second lid frame 7 is detached, the contaminated area can be completely shut off from the non-contaminated area. In this case, the opening of the protective clothing is hermetically sealed by the second lid 8 joined to the second lid frame 7, and the inside of the protective clothing is not contaminated. be able to. Also,
The second lid frame 7 located in the contaminated area is airtightly joined to the first lid frame 9 connected to the partition wall 12, and the second lid 8 and the first lid 10 are airtightly joined. At this time (FIG. 6), even if the first lid 10 and the second lid 8 are detached from the first lid frame 9 and the second lid frame 7, respectively, the contaminated area and the non-contaminated area are completely separated. Will be shut off. In this case, since the opening H of the second lid frame 7 is exposed to the non-contaminated area, the worker can enter and exit the protective clothing through the opening H. After the worker enters the protective clothing through the opening H, as shown in FIG. 5, the second lid 8 is joined to the second lid frame 7 attached to the protective clothing 11, and The first lid 10 is joined to the first lid frame 9. In this case, the second lid 8 is connected to the first lid frame 9 and the first lid frame 9.
Since the worker is detached from the lid 10, the worker wears protective clothing sealed with the second lid 8, and can perform work freely.
【００２４】[0024]
【発明の効果】本発明によれば、隔壁に形成された出入
り口開口部を蓋体で密閉したりあるいはその蓋体を脱離
させるときに、その接合及び脱離手段として形状記憶合
金を含むリングを用いることから、ネジの使用を必要と
せず、着脱操作を行う者は、熟練を要せず作業者は、迅
速にかつ安全にその開口部から出入りすることができ
る。According to the present invention, a ring containing a shape memory alloy as a joining and detaching means when the entrance opening formed in the partition is sealed with a lid or when the lid is detached. The use of a screwdriver does not require the use of screws, and the person performing the attaching / detaching operation does not require skill, and the operator can quickly and safely enter and exit the opening.
【図１】本発明のリングの１つの実施例についての説明
図を示す。FIG. 1 shows an illustration of one embodiment of the ring of the present invention.
【図２】本発明のリングの断面構造図の具体例を示す。FIG. 2 shows a specific example of a sectional structural view of the ring of the present invention.
【図３】作業者が汚染区域と非汚染区域との間を出入り
する機構の説明図を示す。FIG. 3 is an illustration of a mechanism by which an operator enters and exits between a contaminated area and a non-contaminated area.
【図４】作業者が汚染区域と非汚染区域との間の出入り
する隙の出入機構の構成図を示す。FIG. 4 shows a block diagram of an entry / exit mechanism for an operator to enter and exit a contaminated area and a non-contaminated area.
【図５】図４の構成図の部分Ｙ（低温時）の拡大図を示
す。FIG. 5 is an enlarged view of a portion Y (at a low temperature) of the configuration diagram of FIG. 4;
【図６】図４の構成図の部分Ｙ（高温時）の拡大図を示
す。FIG. 6 is an enlarged view of a portion Y (at a high temperature) of the configuration diagram of FIG. 4;
【図７】図４の機構の斜視図を示す。FIG. 7 shows a perspective view of the mechanism of FIG.
１ 形状記憶合金 ２ 弾性体 ３ 電気抵抗体 ７ 第２蓋枠 ８ 第２蓋体 ９ 第１蓋枠 １０ 第１蓋体 １１ 防護服 １２ 隔壁 DESCRIPTION OF SYMBOLS 1 Shape memory alloy 2 Elastic body 3 Electric resistor 7 2nd lid frame 8 2nd lid 9 1st lid frame 10 1st lid 11 Protective clothing 12 Partition wall
─────────────────────────────────────────────────────
────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成１３年６月５日（２００１．６．５）[Submission date] June 5, 2001 (2001.6.5)
【手続補正１】[Procedure amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００１０[Correction target item name] 0010
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【００１０】リングＲを加熱するためには、図１に示す
ように、形状記憶合金１に、電熱線（ニクロム線等の抵
抗体）を螺旋状に巻きつけるか又はその近くに配置すれ
ばよい。なお、図２においては、形状記憶合金１に巻成
した電熱線３の図示は省略されている。 In order to heat the ring R, as shown in FIG. 1, a heating wire (resistor such as a nichrome wire) may be spirally wound around the shape memory alloy 1 or disposed near the same. . In FIG. 2, the shape memory alloy 1 is wound around.
The illustration of the heating wire 3 is omitted.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 阿見 則男 茨城県鹿島郡旭村箕輪1632番地 千代田メ インテナンス株式会社 Ｆターム(参考） 3B011 AA02 AB01 AC00 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Norio Ami 1632 Minowa, Asahi-mura, Kashima-gun, Ibaraki F-term (reference) 3B011 AA02 AB01 AC00
Claims (15)
を有するリング状体であって、（ｉ）該リングの周方向
に沿って弾性体を有すること、（ii）該リングの周方向
に沿って形状記憶合金を有すること、（iii)該形状記憶
合金は加熱によりその曲率半径が大きくなるか又は小さ
くなるものであること、を特徴とする形状記憶合金を含
有する加熱により形状変化を生じるリング。1. A ring-shaped body having a partially notched portion that changes its shape by heating, (i) having an elastic body along the circumferential direction of the ring, and (ii) having an elastic body along the circumferential direction of the ring. (Iii) the shape memory alloy has a radius of curvature that is increased or decreased by heating, and a shape change is caused by heating containing the shape memory alloy. ring.
求項１又は２のリング。2. The ring according to claim 1, further comprising a fitting recess along the outer peripheral end face.
求項１又は２のリング。3. The ring according to claim 1, further comprising a fitting projection along the outer peripheral end face.
求項１のリング。4. The ring according to claim 1, having a fitting recess along the inner peripheral end face.
求項１のリング。5. The ring according to claim 1, having a fitting projection along the inner peripheral end face.
請求項１〜５のいずれかのリング。6. The ring according to claim 1, further comprising means for heating said shape memory alloy.
気抵抗体は該形状記憶合金とともに該リング内に一体に
配設されている請求項１〜６のいずれかのリング。7. The ring according to claim 1, wherein said heating means comprises an electric resistor, and said electric resistor is disposed integrally with said shape memory alloy in said ring.
外周端面に嵌合用凹部を有し、加熱によりその曲率半径
を拡大するように形状変化を生じる請求項１のリング。8. It has an electric resistor for heating, and
2. The ring according to claim 1, wherein the outer peripheral end surface has a fitting concave portion, and the shape changes by heating to increase the radius of curvature.
外周端面に嵌合用凹部を有し、加熱によりその曲率半径
を縮小するように形状変化を生じる請求項１のリング。9. Having an electric resistor for heating,
2. The ring according to claim 1, wherein the outer peripheral end surface has a fitting concave portion, and the shape is changed by heating so as to reduce the radius of curvature.
に、内周端面に嵌合用凹部を有し、加熱によりその曲率
半径を拡大するように形状変化を生じる請求項１のリン
グ。10. The ring according to claim 1, further comprising a heating electric resistor, a fitting recess on an inner peripheral end face, and a shape change such that the radius of curvature is increased by heating.
に、内周端面に嵌合用凹部を有し、加熱によりその曲率
半径を縮小するように形状変化を生じる請求項１のリン
グ。11. The ring according to claim 1, wherein the ring has an electric resistor for heating, has a recess for fitting on an inner peripheral end face thereof, and changes its shape by heating so as to reduce its radius of curvature.
射性汚染防護用防護服であって、該開口部に接続する蓋
枠を有し、該蓋枠には蓋体が着脱自在に装着され、該蓋
枠と該蓋体との接合手段として、請求項１〜１１のいず
れかのリングが用いられていることを特徴とする放射性
汚染防護用防護服。12. A protective suit for radioactive contamination protection having an opening through which an operator enters and exits, comprising a lid frame connected to the opening, wherein a lid body is detachably mounted on the lid frame. A protective suit for protecting radioactive contamination, wherein the ring according to any one of claims 1 to 11 is used as a joining means between the cover frame and the cover.
ツ内に非汚染区域から出入りする機構であって、（ｉ）
該汚染区域と該非汚染区域とを仕切る側壁に形成された
円形状出入口の周囲に沿って配接された環状の第１蓋
枠、（ii）該出入口開口より大きな直径を有し、該汚染
区域内に位置する第２蓋枠、（iii)該出入口開口より大
きな直径を有し、該非汚染区域内に位置する第１蓋体及
び（iv）該出入口開口より小さな直径を有する第２蓋体
からなり、（ｖ）該第１蓋枠にはその汚染区域に対向す
る側に連設され、内側に向って突出する第１環状凸部
と、その非汚染区域に対向する側に連設されている内側
に向って突出する第２環状凸部を有し、（vi）該第２蓋
枠の外側には、該蓋枠に連接されている内側に向って突
出する第１環状凸部と、該蓋枠に連設され、該第１環状
凸部より小さい直径を有し、かつ該第１環状凸部と同心
円的に配設されている外側に向って突出する第２環状凸
部と、該２つの環状凸部の間に外側に向って突出する環
状隔離板が配設され、（vii）該第２蓋枠の環状隔離板
の外周面と該第２蓋枠の第１環状凸部との間に外周端面
に凹部を有する形状記憶合金を有する第１リングが配設
され、該隔離板の内周面と該第２環状凸部との間に内周
端面に凹部を有する形状記憶合金を有する第２リングが
配設され、（viii）該第１蓋体の汚染区域に対向する側
の周縁部には、該蓋体に連設されている内側に向って突
出する第１環状凸部と、該蓋体に連接され、該第１環状
凸部より小さい直径を有しかつ該第１環状凸部と同心円
的に配設されている外側に向って突出する第２環状凸部
と、該２つの環状凸部の間に外側に向って突出する環状
隔離板が配設され、（ix）該第２蓋枠の環状隔離板の外
周面と該第２蓋枠の第１環状凸部との間に外周端面に嵌
合凹部を有する形状記憶合金を有する第１リングが配設
され、該第２蓋枠の隔離板の内周面と該第１蓋体の第２
環状凸部との間に内周端面に嵌合凹部を有する形状記憶
合金を有する第２リングが配設され、（ｘ）該第１蓋体
の環状隔離板の外周面と該第１蓋体の第１環状凸部との
間に外周端面に嵌合凹部を有する形状記憶合金を有する
第１リングが配設され、該第１蓋体の隔離板の内周面と
該第１蓋体の第２環状凸部との間に内周端面に嵌合凹部
を有する形状記憶合金を有する第２リングが配設され、
（xi）該第２蓋体には、その汚染区域に対向する側に該
第２蓋体に連接されている外側方向に突出する第１環状
凸部と、その非汚染区域に対向する側に該第２蓋体に連
接されている外側方向に突出する第２環状凸部が配設さ
れ、（xii)該第２蓋枠に配置されている第１リング及び
第２リングはいずれも加熱によりその曲率半径を大きく
し、一方、該第１蓋体に配置されている第１リングと第
２リングはいずれも加熱によりその曲率半径を小さく
し、（xiii）該第２蓋枠は該エアラインスーツの作業者
出入口部に接続されている、ことを特徴とする汚染区域
と非汚染区域に出入する機構。13. A mechanism for entering and exiting an airline suit worn in a contaminated area from a non-contaminated area, comprising: (i)
An annular first lid frame disposed along a circumference of a circular entrance formed in a side wall separating the contaminated area and the non-contaminated area; (ii) a contaminated area having a larger diameter than the entrance opening; A second lid frame located within the (iii) a first lid having a larger diameter than the access opening and located in the non-contaminated area; and (iv) a second lid having a smaller diameter than the access opening. (V) The first lid frame is provided continuously on the side facing the contaminated area, the first annular convex part protruding inward, and connected on the side facing the non-contaminated area. (Vi) a first annular projection protruding inwardly connected to the lid frame, outside the second lid frame; An outer side connected to the lid frame, having a smaller diameter than the first annular convex portion, and being arranged concentrically with the first annular convex portion; A second annular convex portion protruding toward the second annular convex portion, and an annular isolating plate projecting outwardly between the two annular convex portions; and (vii) an outer peripheral surface of the annular isolating plate of the second lid frame. A first ring having a shape memory alloy having a concave portion on an outer peripheral end face is disposed between the first annular convex portion of the second lid frame and an inner peripheral surface of the separator and the second annular convex portion; A second ring having a shape memory alloy having a concave portion on the inner peripheral end face is disposed therebetween, and (viii) a peripheral portion of the first lid facing the contaminated area is connected to the lid. A first annular protrusion protruding inward and having a smaller diameter than the first annular protrusion and being concentrically arranged with the first annular protrusion. A second annular projection protruding outward and an annular separator projecting outward between the two annular projections, and (ix) an annular isolation of the second lid frame. A first ring having a shape memory alloy having a fitting concave portion on an outer peripheral end surface is disposed between the outer peripheral surface of the second lid frame and the first annular convex portion of the second lid frame. The peripheral surface and the second of the first lid
A second ring having a shape memory alloy having a fitting concave portion on an inner peripheral end surface between the annular convex portion and the annular convex portion; and (x) an outer peripheral surface of an annular separator of the first lid member and the first lid member. A first ring having a shape memory alloy having a fitting concave portion on an outer peripheral end surface is disposed between the first annular convex portion and the first annular convex portion, and an inner peripheral surface of a separator of the first lid and a first ring of the first lid are provided. A second ring having a shape memory alloy having a fitting concave portion on an inner peripheral end surface between the second ring convex portion and the second annular convex portion;
(Xi) The second lid body has a first annular convex portion connected to the second lid body on a side facing the contaminated area and an outwardly projecting first annular projection, and a second annular projection on a side facing the non-contaminated area. A second annular convex portion protruding outwardly connected to the second lid body is provided, and (xii) both the first ring and the second ring disposed on the second lid frame are heated. The radius of curvature is increased, while the radius of curvature of each of the first ring and the second ring disposed on the first lid is reduced by heating. (Xiii) The second lid frame is connected to the air line. A mechanism for entering and exiting the contaminated and non-contaminated areas, which is connected to a worker entrance of the suit.
リングからなり、該第２リングは請求項１０のリングか
らなる請求項１３の機構。14. The mechanism of claim 13, wherein the first ring of the second lid frame comprises the ring of claim 8, and wherein the second ring comprises the ring of claim 10.
リングからなり、第２リングは請求項１１のリングから
なる請求項１１の機構。15. The mechanism of claim 11, wherein the first ring of the first lid comprises the ring of claim 9, and the second ring comprises the ring of claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001064153A JP3516047B2 (en) | 2001-03-07 | 2001-03-07 | A ring that changes shape by heating, and protective clothing and access mechanism using it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001064153A JP3516047B2 (en) | 2001-03-07 | 2001-03-07 | A ring that changes shape by heating, and protective clothing and access mechanism using it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002267794A true JP2002267794A (en) | 2002-09-18 |
| JP3516047B2 JP3516047B2 (en) | 2004-04-05 |
Family
ID=18923019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001064153A Expired - Lifetime JP3516047B2 (en) | 2001-03-07 | 2001-03-07 | A ring that changes shape by heating, and protective clothing and access mechanism using it |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3516047B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007247693A (en) * | 2006-03-14 | 2007-09-27 | National Institute Of Advanced Industrial & Technology | Ring enabling reversible change of shape and protective clothing and coming-in-and-out mechanism using it |
| JP2011149745A (en) * | 2010-01-20 | 2011-08-04 | Chiyoda Maintenance Kk | Partition connection separation mechanism |
| JP2016212071A (en) * | 2015-04-28 | 2016-12-15 | 千代田メインテナンス株式会社 | Airtight container storing harmful substance, and container opening/closing mechanism |
-
2001
- 2001-03-07 JP JP2001064153A patent/JP3516047B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007247693A (en) * | 2006-03-14 | 2007-09-27 | National Institute Of Advanced Industrial & Technology | Ring enabling reversible change of shape and protective clothing and coming-in-and-out mechanism using it |
| JP2011149745A (en) * | 2010-01-20 | 2011-08-04 | Chiyoda Maintenance Kk | Partition connection separation mechanism |
| JP2016212071A (en) * | 2015-04-28 | 2016-12-15 | 千代田メインテナンス株式会社 | Airtight container storing harmful substance, and container opening/closing mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3516047B2 (en) | 2004-04-05 |
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