JPH082560A - Production method of cryogenic container - Google Patents
Production method of cryogenic containerInfo
- Publication number
- JPH082560A JPH082560A JP23172794A JP23172794A JPH082560A JP H082560 A JPH082560 A JP H082560A JP 23172794 A JP23172794 A JP 23172794A JP 23172794 A JP23172794 A JP 23172794A JP H082560 A JPH082560 A JP H082560A
- Authority
- JP
- Japan
- Prior art keywords
- container
- inner container
- cryogenic
- upper edge
- outer container
- 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
Links
Landscapes
- Packages (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、液体ヘリウム等を封入
して使用する極低温容器の製造方法に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a cryogenic container in which liquid helium or the like is enclosed and used.
【０００２】[0002]
【従来の技術】従来から、図１に図示したような上縁に
フランジ部21ａを有する外容器21内に、上縁にフランジ
部22ａを有する内容器22を配設し、該内容器22内に液体
ヘリウムを封入して使用する極低温容器23が提案されて
いる。2. Description of the Related Art Conventionally, an inner container 22 having a flange portion 22a at the upper edge thereof is arranged in an outer container 21 having a flange portion 21a at the upper edge thereof as shown in FIG. There is proposed a cryogenic container 23 in which liquid helium is enclosed and used.
【０００３】この極低温容器23は、図２に図示したよう
に外容器21，内容器22を夫々別個に形成し、外容器21内
に内容器22を両者の間が真空となるようにして嵌合止着
して製造するものであるが、この外容器21，内容器22
は、合成樹脂製のフランジ部21ａ，22ａ，合成樹脂製の
底部21ｂ，22ｂ，合成樹脂製の胴部21ｃ，22ｃを夫々別
個に成形し、各部を適宜接着して製造するものである。In this cryogenic container 23, an outer container 21 and an inner container 22 are separately formed as shown in FIG. 2, and the inner container 22 is placed in the outer container 21 so that a vacuum is formed between them. The outer container 21 and the inner container 22 are manufactured by fitting and fixing.
Is manufactured by separately molding the synthetic resin flange portions 21a and 22a, the synthetic resin bottom portions 21b and 22b, and the synthetic resin body portions 21c and 22c, and adhering the respective portions appropriately.
【０００４】[0004]
【発明が解決しようとする課題】ところで、外容器21，
内容器22の直径が１ｍを越えると前記各部の接着作業が
厄介であることはもちろん、各部の正確な位置決めも厄
介である。By the way, the outer container 21,
If the diameter of the inner container 22 exceeds 1 m, the work of adhering the above-mentioned respective parts is not only difficult, but also the accurate positioning of the respective parts is troublesome.
【０００５】また、外容器21，内容器22の直径が１ｍを
超えなくても各部を接着して製造する極低温容器23は、
内容器22内に封入する液体ヘリウムが該内容器22からリ
ークする可能性が高くなるという問題点や、長期使用下
で疲労により接着部の強度劣化が生じ、液体ヘリウムが
該部分からリークする可能性が高くなるという問題点も
ある。Further, the cryogenic container 23 manufactured by adhering each part even if the diameters of the outer container 21 and the inner container 22 do not exceed 1 m,
The problem that the liquid helium sealed in the inner container 22 is more likely to leak from the inner container 22, and the strength of the adhesive part deteriorates due to fatigue after long-term use, and liquid helium may leak from the part. There is also a problem that the property becomes high.
【０００６】本発明はこのような欠点を解決した極低温
容器の製造方法を提供するものである。The present invention provides a method for manufacturing a cryogenic container which solves the above drawbacks.
【０００７】[0007]
【課題を解決するための手段】添付図面を参照して本発
明の要旨を説明する。The gist of the present invention will be described with reference to the accompanying drawings.
【０００８】上縁にフランジ部1aを有する外容器１内に
上縁にフランジ部2aを有する内容器２を配設し、該内容
器２内に液体ヘリウム等の低沸点液体を封入して使用す
る直径１ｍ以上の極低温容器の製造方法であって、雄型
３に合成樹脂材を付着せしめ、加熱加圧して内容器２を
一体成形により製造し、外容器１内に該内容器２を両者
の間が真空となるようにして嵌合止着せしめることを特
徴とする極低温容器の製造方法に係るものである。An inner container 2 having a flange portion 2a at the upper edge is arranged in an outer container 1 having a flange portion 1a at the upper edge, and a low boiling point liquid such as liquid helium is enclosed in the inner container 2 for use. A method for manufacturing a cryogenic container having a diameter of 1 m or more, in which a synthetic resin material is attached to a male mold 3, and the inner container 2 is manufactured by integrally molding by heating and pressurizing the inner container 2 inside the outer container 1. The present invention relates to a method for manufacturing a cryogenic container, which is characterized in that a fitting and fastening are performed so that a vacuum is created between the two.
【０００９】上縁にフランジ部1aを有する外容器１内に
上縁にフランジ部2aを有する内容器２を配設し、該内容
器２内に液体ヘリウム等の低沸点液体を封入して使用す
る直径１ｍ以上の極低温容器の製造方法であって、雄型
３に合成樹脂材を付着せしめ、加熱加圧して外容器１，
内容器２夫々を一体成形により製造し、該外容器１内に
該内容器２を両者の間が真空となるようにして嵌合止着
せしめることを特徴とする極低温容器の製造方法に係る
ものである。An inner container 2 having a flange portion 2a at the upper edge is arranged in an outer container 1 having a flange portion 1a at the upper edge, and a low boiling point liquid such as liquid helium is enclosed in the inner container 2 for use. A method of manufacturing a cryogenic container having a diameter of 1 m or more, in which a synthetic resin material is attached to the male mold 3, and the outer container 1 is heated and pressed.
A method for manufacturing a cryogenic container, characterized in that each of the inner containers 2 is manufactured by integral molding, and the inner container 2 is fitted and fixed in the outer container 1 such that a vacuum is created between the inner container 2 and the inner container 2. It is a thing.
【００１０】外容器１内に内容器２を配設し、該内容器
２内に液体ヘリウム等の低沸点液体を封入して使用する
極低温容器の製造方法であって、型４に合成樹脂材を付
着せしめ、加熱加圧して内容器２を一体成形により製造
し、外容器１内に該内容器２を両者の間が真空となるよ
うにして嵌合止着せしめることを特徴とする極低温容器
の製造方法に係るものである。A method for producing a cryogenic container in which an inner container 2 is disposed in an outer container 1 and a low boiling point liquid such as liquid helium is sealed in the inner container 2, and a synthetic resin is used for a mold 4. A material characterized in that an inner container 2 is manufactured by integrally molding it by heating and pressurizing it, and the inner container 2 is fitted and fixed in the outer container 1 such that there is a vacuum between the two. The present invention relates to a method for manufacturing a cryogenic container.
【００１１】請求項１，２，３いずれか１項記載の極低
温容器の製造方法において、合成樹脂材としてプリプレ
グシート６を採用したことを特徴とする極低温容器の製
造方法に係るものである。A method for manufacturing a cryogenic container according to any one of claims 1, 2 and 3 is characterized in that a prepreg sheet 6 is adopted as a synthetic resin material. .
【００１２】[0012]
【作用】内容器２を一体成形する為、内容器２からの低
沸点液体のリークの可能性が低減するとともに当該極低
温容器を効率良く製造できる。Since the inner container 2 is integrally molded, the possibility of the low boiling point liquid leaking from the inner container 2 is reduced and the cryogenic container can be efficiently manufactured.
【００１３】[0013]
【実施例】図３，４は本発明の第一実施例，図５，６は
第二実施例を図示したもので、以下に説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 3 and 4 show a first embodiment of the present invention, and FIGS. 5 and 6 show a second embodiment, which will be described below.
【００１４】第一実施例について説明する。The first embodiment will be described.
【００１５】適宜な雄型３を用意し、該雄型３にガラス
繊維等の無機繊維で織成した織布を付設し、更にエポキ
シ樹脂等の適宜な樹脂をハンドレイアップにて塗布し、
更に、バグフィルムを被覆し、加熱加圧後脱型すると外
容器１，内容器２が成形される。An appropriate male die 3 is prepared, a woven fabric woven with inorganic fibers such as glass fibers is attached to the male die 3, and an appropriate resin such as an epoxy resin is applied by hand layup,
Further, when the bag film is covered, heated and pressed, and released from the mold, the outer container 1 and the inner container 2 are molded.
【００１６】この外容器１，内容器２を両者の間が真空
となるようにして接着等の適宜な手段により嵌合止着す
る（両者の間には適宜な断熱材を配設する。）。The outer container 1 and the inner container 2 are fitted and fixed to each other by an appropriate means such as adhesion so that a vacuum is formed between them (an appropriate heat insulating material is provided between the two). .
【００１７】尚、少なくとも内部に低沸点液体としての
液体ヘリウムが封入される内容器２が上記一体成形によ
り形成されれば液体ヘリウムのリークの問題は解消され
る。しかし、製造効率を考慮すれば外容器１，内容器２
両者を上記一体成形で形成することが望ましい。If at least the inner container 2 in which liquid helium as a low boiling point liquid is enclosed is formed by the integral molding, the problem of liquid helium leak can be solved. However, considering manufacturing efficiency, the outer container 1 and the inner container 2
It is desirable that both are formed by the integral molding.
【００１８】上記の外容器１，内容器２の一体成形は他
に、雄型３にガラス織布とエポキシ樹脂とから成るプリ
プレグシートを付設して同様に外容器１，内容器２を成
形しても良い。In addition to the integral molding of the outer container 1 and the inner container 2 described above, a prepreg sheet made of glass woven cloth and epoxy resin is attached to the male mold 3 to form the outer container 1 and the inner container 2 in the same manner. May be.
【００１９】このプリプレグシートを使用する方法の場
合には、樹脂量を適宜コントロールでき、この点におい
て実用性がある。即ち、樹脂量は繊維重量の５０％以下
でなければならない。樹脂量が多いと液体ヘリウムなど
冷媒を入れたときに熱応力により成形品にクラックが入
る可能性が高くなるからである。この点、プリプレグシ
ートを用いる当該方法によれば、プリプレグシートを作
成する段階で樹脂量が任意に設定できることになる。In the case of the method using this prepreg sheet, the amount of resin can be controlled appropriately, which is practical in this respect. That is, the resin amount must be 50% or less of the fiber weight. This is because if the amount of resin is large, there is a high possibility that the molded product will crack due to thermal stress when a coolant such as liquid helium is added. In this respect, according to the method using the prepreg sheet, the resin amount can be arbitrarily set at the stage of producing the prepreg sheet.
【００２０】この第一実施例によれば直径１ｍ以上の大
型の外容器１，内容器２でも効率良く製造でき、且つリ
ークの可能性が低減した極低温容器が得られることにな
る。第二実施例について説明する。According to the first embodiment, it is possible to obtain a cryogenic container in which the large outer container 1 and the inner container 2 having a diameter of 1 m or more can be efficiently manufactured and the possibility of leakage is reduced. A second embodiment will be described.
【００２１】内容器２用の金型４を用意する。この金型
４の図５中のａ部には内容器２の径大部を形成する為、
耐熱性が良好なフェノールフォーム５を配設し、このフ
ェノールフォーム５の表面に脱型を良好にする為テフロ
ンフィルムを被着せしめる。続いて、第一実施例同様の
プリプレグシート６を金型４の外面にレイアップし（図
５参照）、続いて、１２０〜１３０℃でオートクレーブ
成形（真空加熱加圧成形）をし、続いて、脱型し、続い
て、フェノールフォーム５を除去して内容器２を得る。A mold 4 for the inner container 2 is prepared. Since the large-diameter portion of the inner container 2 is formed in the portion a of FIG.
A phenol foam 5 having good heat resistance is provided, and a Teflon film is applied to the surface of the phenol foam 5 in order to improve the mold release. Subsequently, a prepreg sheet 6 similar to that of the first embodiment is laid up on the outer surface of the mold 4 (see FIG. 5), followed by autoclave molding (vacuum heating and pressure molding) at 120 to 130 ° C., and subsequently. Then, the phenol foam 5 is removed, and the inner container 2 is obtained.
【００２２】このようにして得た内容器２を所定形状の
外容器１内に嵌合し、両者の間が真空となるようにして
接着等の適宜な手段で両者を止着して（両者の間には適
宜な断熱材を配設する。）極低温容器を得る（図６参
照）。The inner container 2 thus obtained is fitted into the outer container 1 having a predetermined shape, and a vacuum is applied between the two so as to fix them together by an appropriate means such as bonding (both An appropriate heat insulating material is provided between the two.) A cryogenic container is obtained (see FIG. 6).
【００２３】尚、第二実施例において、外容器１は各部
を接合する構造であるが、内容器２と同様に一体成形し
ても良い。In the second embodiment, the outer container 1 has a structure in which the respective parts are joined, but it may be integrally molded in the same manner as the inner container 2.
【００２４】このようにして製造した極低温容器は、内
容器２に封入される例えば液体ヘリウムがリークする可
能性が低減することになる。The cryogenic container manufactured in this manner reduces the possibility of leaking, for example, liquid helium sealed in the inner container 2.
【００２５】[0025]
【発明の効果】本発明は上述のようにしたからリークの
可能性が可及的に低減した極低温容器を効率良く製造し
得ることになる。As described above, according to the present invention, it is possible to efficiently manufacture a cryogenic container in which the possibility of leakage is reduced as much as possible.
【図１】極低温容器の説明図である。FIG. 1 is an explanatory diagram of a cryogenic container.
【図２】従来例の製造工程説明図である。FIG. 2 is a diagram illustrating a manufacturing process of a conventional example.
【図３】第一実施例の製造工程説明図である。FIG. 3 is a drawing explaining the manufacturing process of the first embodiment.
【図４】第一実施例の製造工程説明図である。FIG. 4 is an explanatory view of the manufacturing process of the first embodiment.
【図５】第二実施例の製造工程説明断面図（片側図示省
略）である。FIG. 5 is a sectional view (one side not shown) for explaining the manufacturing process of the second embodiment.
【図６】第二実施例の製造工程により製造した極低温容
器の断面図である。FIG. 6 is a cross-sectional view of a cryogenic container manufactured by the manufacturing process of the second embodiment.
１ 外容器 1a フランジ部 ２ 内容器 2a フランジ部 ３ 雄型 ４ 型 ６ プリプレグシート 1 Outer container 1a Flange part 2 Inner container 2a Flange part 3 Male type 4 Type 6 Prepreg sheet
Claims (4)
縁にフランジ部を有する内容器を配設し、該内容器内に
液体ヘリウム等の低沸点液体を封入して使用する直径１
ｍ以上の極低温容器の製造方法であって、雄型に合成樹
脂材を付着せしめ、加熱加圧して内容器を一体成形によ
り製造し、外容器内に該内容器を両者の間が真空となる
ようにして嵌合止着せしめることを特徴とする極低温容
器の製造方法。1. A diameter 1 for use in which an inner container having a flange portion at the upper edge is arranged in an outer container having a flange portion at the upper edge, and a low boiling point liquid such as liquid helium is enclosed in the inner container.
A method for producing a cryogenic container having a length of m or more, in which a synthetic resin material is attached to a male mold, the inner container is integrally molded by heating and pressurizing, and the inner container is evacuated between the two. A method for manufacturing a cryogenic container, characterized in that the fitting and fastening are performed as described above.
縁にフランジ部を有する内容器を配設し、該内容器内に
液体ヘリウム等の低沸点液体を封入して使用する直径１
ｍ以上の極低温容器の製造方法であって、雄型に合成樹
脂材を付着せしめ、加熱加圧して外容器，内容器夫々を
一体成形により製造し、該外容器内に該内容器を両者の
間が真空となるようにして嵌合止着せしめることを特徴
とする極低温容器の製造方法。2. A diameter 1 which is used by arranging an inner container having a flange portion at an upper edge in an outer container having a flange portion at an upper edge and enclosing a low boiling point liquid such as liquid helium in the inner container.
A method for producing a cryogenic container of m or more, in which a synthetic resin material is attached to a male mold, and the outer container and the inner container are integrally molded by heating and pressurizing the inner container, A method of manufacturing a cryogenic container, characterized in that a vacuum is provided between the fitting and the fitting and fixing.
に液体ヘリウム等の低沸点液体を封入して使用する極低
温容器の製造方法であって、型に合成樹脂材を付着せし
め、加熱加圧して内容器を一体成形により製造し、外容
器内に該内容器を両者の間が真空となるようにして嵌合
止着せしめることを特徴とする極低温容器の製造方法。3. A method for producing a cryogenic container in which an inner container is provided in an outer container, and a low boiling point liquid such as liquid helium is sealed in the inner container, and a synthetic resin material is used in a mold. A method for producing a cryogenic container, characterized in that the inner container is produced by integrally molding by adhering, heating and pressurizing, and the inner container is fitted and fixed in the outer container such that a vacuum is maintained between the inner container and the inner container. .
低温容器の製造方法において、合成樹脂材としてプリプ
レグシートを採用したことを特徴とする極低温容器の製
造方法。4. The method for manufacturing a cryogenic container according to claim 1, wherein a prepreg sheet is used as the synthetic resin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23172794A JPH082560A (en) | 1994-04-21 | 1994-09-27 | Production method of cryogenic container |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6-83181 | 1994-04-21 | ||
| JP8318194 | 1994-04-21 | ||
| JP23172794A JPH082560A (en) | 1994-04-21 | 1994-09-27 | Production method of cryogenic container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH082560A true JPH082560A (en) | 1996-01-09 |
Family
ID=26424238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23172794A Pending JPH082560A (en) | 1994-04-21 | 1994-09-27 | Production method of cryogenic container |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH082560A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999003800A1 (en) * | 1997-07-18 | 1999-01-28 | Dynamit Nobel Gmbh Explosivstoff-Und Systemtechnik | Projectile cartridge |
| WO2000043330A1 (en) * | 1999-01-20 | 2000-07-27 | Dynamit Nobel Gmbh Explosivstoff- Und Systemtechnik | Detonating cartridges and projectile cartridges |
-
1994
- 1994-09-27 JP JP23172794A patent/JPH082560A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999003800A1 (en) * | 1997-07-18 | 1999-01-28 | Dynamit Nobel Gmbh Explosivstoff-Und Systemtechnik | Projectile cartridge |
| WO2000043330A1 (en) * | 1999-01-20 | 2000-07-27 | Dynamit Nobel Gmbh Explosivstoff- Und Systemtechnik | Detonating cartridges and projectile cartridges |
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