JPH049117A - Pressure vessel - Google Patents
Pressure vesselInfo
- Publication number
- JPH049117A JPH049117A JP11334890A JP11334890A JPH049117A JP H049117 A JPH049117 A JP H049117A JP 11334890 A JP11334890 A JP 11334890A JP 11334890 A JP11334890 A JP 11334890A JP H049117 A JPH049117 A JP H049117A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- pressure
- pressure vessel
- fiber
- compressive strength
- 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
- 229920005989 resin Polymers 0.000 claims abstract description 34
- 239000011347 resin Substances 0.000 claims abstract description 34
- 239000000835 fiber Substances 0.000 claims abstract description 14
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052796 boron Inorganic materials 0.000 claims abstract description 11
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 10
- 239000004917 carbon fiber Substances 0.000 claims abstract description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 3
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 6
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 6
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 2
- 239000004695 Polyether sulfone Substances 0.000 claims description 2
- 229920002492 poly(sulfone) Polymers 0.000 claims description 2
- 229920005668 polycarbonate resin Polymers 0.000 claims description 2
- 239000004431 polycarbonate resin Substances 0.000 claims description 2
- 229920006393 polyether sulfone Polymers 0.000 claims description 2
- 229920002530 polyetherether ketone Polymers 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 abstract description 16
- 238000010411 cooking Methods 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Electric Ovens (AREA)
- Cookers (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、例えば、電子レンジ等の加熱庫内に設置して
、高温高圧力下で被調理物を調理する合成樹脂製の圧力
容器に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a pressure vessel made of synthetic resin that is installed in a heating chamber such as a microwave oven to cook food under high temperature and pressure. be.
従来の技術
従来のこの種の圧力容器には、被調理物を密封し、その
蒸気圧により内圧を高めて沸点を上昇させ、加熱時間の
短縮を図ったものがある。BACKGROUND OF THE INVENTION Conventional pressure vessels of this type include those in which the food to be cooked is hermetically sealed, and the internal pressure is increased by the steam pressure to raise the boiling point, thereby shortening the heating time.
この種の圧力容器では、内圧を約２気圧程度に保つよう
調圧弁が作動し、圧力容器内の水の沸点は、約１２０°
Ｃまで高められる。これによって加熱が促進され、通常
１〜２時間を要する煮込みを３０分程度で完了したり、
小魚を骨まで柔らかく仕上げたりできる。In this type of pressure vessel, a pressure regulating valve operates to maintain the internal pressure at approximately 2 atmospheres, and the boiling point of water within the pressure vessel is approximately 120 degrees.
It can be raised up to C. This accelerates heating, allowing simmering that normally takes 1 to 2 hours to be completed in about 30 minutes.
You can make small fish soft down to the bone.
このように便利な圧力容器を合成樹脂で形成し、電子レ
ンジなどで利用できるようにした製品もすでに市販され
ている。Products such as these convenient pressure vessels made of synthetic resin that can be used in microwave ovens and the like are already on the market.
例えば、アメリカでは、ノーデイック・ウェア社が、「
テンダークツカー」の商標で数年前から販売している。For example, in the United States, Nordic Wear Co., Ltd.
It has been sold under the trademark ``Tender Kutskar'' for several years.
また、国内では、アサヒ軽金属工業が、「レンジ活力な
べ」の商標で市販している。Additionally, in Japan, Asahi Light Metal Industry sells it under the trademark ``Range Kisei Nabe.''
これらの圧力容器は、いずれも熱硬化性樹脂である不飽
和ポリエステル樹脂で構成された容器本体と蓋とを、ゴ
ム製パツキンを介して密封させ、加圧調理を可能にして
いる。These pressure vessels have a lid and a container body made of unsaturated polyester resin, which is a thermosetting resin, and are sealed with a rubber gasket to enable pressure cooking.
一方、金属製のガス圧力容器などの場合には、調理圧力
が２気圧前後であるのに対して、樹脂製の電子レンジ用
圧力容器の場合には、１．４〜１．７気圧の範囲である
。On the other hand, in the case of a metal gas pressure container, the cooking pressure is around 2 atm, whereas in the case of a resin microwave oven pressure container, the cooking pressure is in the range of 1.4 to 1.7 atm. It is.
また、従来の樹脂製圧力容器には、樹脂の圧力強度を補
強するために補強材として、ガラス繊維が１０〜４０％
含有されていた。In addition, conventional resin pressure vessels contain 10 to 40% glass fiber as a reinforcing material to reinforce the pressure strength of the resin.
It was contained.
発明が解決しようとする課題
上記従来の電子レンジ用樹脂製圧力容器は、金属製のガ
ス圧力容器の場合より低圧使用であると同時に、この圧
力容器に補強材としてガラス繊維が混入されていても、
初期的な強度が不足していた。Problems to be Solved by the Invention The above-mentioned conventional resin pressure vessel for microwave ovens can be used at a lower pressure than a metal gas pressure vessel, and at the same time, even if glass fiber is mixed in the pressure vessel as a reinforcing material. ,
Initial strength was lacking.
また、ガラス繊維を混入した圧力容器は、アルカリ性の
溶液などで使用を繰り返しているうちに、ガラス繊維が
次第に溶出してくる。更に、ガラス繊維と樹脂との密着
力を良くするために用いているカンプリング剤も同様に
溶出して（る。Furthermore, as pressure vessels containing glass fibers are repeatedly used with alkaline solutions, the glass fibers gradually dissolve out. Furthermore, the compulsing agent used to improve the adhesion between the glass fiber and the resin is also eluted.
そしてガラス繊維やカップリング剤が溶出してくると、
樹脂とガラス繊維との間に、亀裂や隙間が発生し、ガラ
ス繊維の混入されていた部分は、トンネル状の空洞とな
り、耐圧強度が低下してくる。Then, when the glass fibers and coupling agent elute,
Cracks and gaps occur between the resin and the glass fibers, and the portion where the glass fibers were mixed becomes a tunnel-like cavity, reducing the pressure resistance.
以上のように、従来の樹脂製圧力容器は、金属製のガラ
ス圧力容器はどの加圧高温調理ができないと同時に、使
っていく中で次第に耐圧強度が低下していくという課題
があった。As described above, conventional resin pressure vessels have the problem that metal glass pressure vessels cannot be used for pressurized and high-temperature cooking, and at the same time, their pressure resistance gradually decreases as they are used.
本発明は、上記従来の課題を解消するもので、耐圧強度
の向上を図ると共に使用を繰り返すことによっておこる
耐圧強度の低下を防止することにある。The present invention solves the above-mentioned conventional problems, and aims to improve the pressure resistance and prevent the pressure resistance from decreasing due to repeated use.
課題を解決するだめの手段
上記課題を解決するために、本発明の圧力容器は樹脂で
形成され、この樹脂にカーボン繊維もしくは、ボロン繊
維を混入したものである。Means for Solving the Problems In order to solve the above problems, the pressure vessel of the present invention is made of resin, and carbon fiber or boron fiber is mixed into this resin.
作用
上記した構成により本発明の樹脂に混入させたカーボン
繊維またはボロン繊維は、ガラス繊維に比較して強度的
に強く、また長繊維の状態で樹脂に含有させることが出
来るため、圧力容器としての耐圧強度を維持できるもの
である。Effect The carbon fibers or boron fibers mixed into the resin of the present invention with the above-mentioned configuration are stronger than glass fibers, and can be contained in the resin in the form of long fibers, so they can be used as pressure vessels. It is capable of maintaining pressure resistance.
実施例
以下本発明の一実施例を図に示した圧力容器の断面図を
用いて説明する。EXAMPLE An example of the present invention will be described below with reference to a sectional view of a pressure vessel shown in the figure.
図において、１は容器本体、２は容器本体１の蓋体、３
は容器本体１と蓋体２の接触面に設けたバ・ンキン、４
は圧力容器の内圧が一定圧になるように設けた圧力調整
弁である。そして５は容器本体］内に入れられた被調理
物である。In the figure, 1 is the container body, 2 is the lid of the container body 1, and 3 is the container body.
4 is a seal provided on the contact surface between the container body 1 and the lid 2.
is a pressure regulating valve installed so that the internal pressure of the pressure vessel remains constant. 5 is the object to be cooked placed inside the container body.
次に上記構成にて試作された圧力容器の種類とその評価
方法について説明する。Next, the types of pressure vessels prototyped with the above configuration and their evaluation methods will be explained.
ポリフェニレンザルファイド樹脂にカーボン樹脂３０％
含有した圧力容器Ａと、ポリフェニレンサルファイド樹
脂にボロン繊維３０％含有した圧力容器Ｂと、ポリフェ
ニレンサルファイド樹脂にガラス繊維を含有した圧力容
器Ｃの３種類の圧力容器をそれぞれ成型試作した。30% carbon resin in polyphenylene sulfide resin
Three types of pressure vessels were molded and tested: pressure vessel A containing polyphenylene sulfide resin, pressure vessel B containing 30% boron fiber in polyphenylene sulfide resin, and pressure vessel C containing glass fiber in polyphenylene sulfide resin.
そしてそれらの３種類の圧力容器を次に示すような２種
類の試験方法によって評価した。The three types of pressure vessels were evaluated using the following two types of test methods.
第一の試験方法は、初期圧力強度を評価するもので下記
の要領による。The first test method evaluates the initial pressure strength and is as follows.
すなわち、圧力容器の圧力調整弁４を固定密閉し、常温
状態にておこなう水圧試験であり、圧力容器の圧力が次
第に増大して、ついに圧力容器に亀裂（割れ）が発生す
る時の圧力をもって耐圧強度とするものである。In other words, this is a water pressure test in which the pressure regulating valve 4 of the pressure vessel is fixedly sealed and conducted at room temperature.The pressure in the pressure vessel gradually increases, and the pressure at which a crack appears in the pressure vessel is the pressure resistance test. It is intended for strength.
第二の試験方法は、実使用状態を想定しておこなうもの
で、別途準備した圧力容器中に蒸留水を入れて密閉し、
これを１２０’Ｃのオーブンレンジ内で２００時間放置
する。そして２００時間経過後、第一の試験方法と同一
の要領で、耐圧強度を評価するものである。The second test method simulates actual usage conditions, and involves putting distilled water in a separately prepared pressure vessel and sealing it.
This is left in a microwave oven at 120'C for 200 hours. After 200 hours, the compressive strength is evaluated in the same manner as the first test method.
この３種類の圧力容器Ａ、Ｂ、Ｃに対しておこなった第
−及び第二の試験結果を次表に示す。The results of the first and second tests conducted on these three types of pressure vessels A, B, and C are shown in the following table.
表
単位：ｋｇｆ／ｃｆｆｌ
この表から明らかのように、カーボン繊維を含有した圧
力容器Ａとボロン繊維を含有した圧力容器Ｂは、初期耐
圧強度と１２０“Ｃ１２００時間放置後の試験結果には
、変化が見られなかった。Table unit: kgf/cffl As is clear from this table, pressure vessel A containing carbon fiber and pressure vessel B containing boron fiber have different initial compressive strength and test results after standing for 1200 hours at 120"C. was not seen.
一方、ガラス繊維を含有した圧力容器Ｃは、初期耐圧強
度に比較して、１２０°Ｃ１２００時間放置後の試験結
果では、耐圧強度が約２０％低下していた。On the other hand, in the pressure vessel C containing glass fiber, the pressure resistance strength was reduced by about 20% in the test results after being left at 120° C. for 1200 hours compared to the initial pressure resistance strength.
なお、この耐圧測定後の耐圧容器Ｃの、破断面を走査電
子顕微鏡で観察した結果、樹脂とガラス繊維の界面にミ
クロ的な亀裂（隙間）が発生していることがわかった。In addition, as a result of observing the fractured surface of the pressure container C after this pressure resistance measurement with a scanning electron microscope, it was found that microscopic cracks (gaps) were generated at the interface between the resin and the glass fiber.
また、表面層に近いガラス繊維の一部が溶解したと考え
られるトンネル状の空洞が多数発注していることも明ら
かになった。It was also revealed that many orders were placed for tunnel-like cavities, which are thought to have been caused by the melting of some of the glass fibers near the surface layer.
しかし、カーボン繊維またはボロン繊維を含有させた圧
力容器ＡおよびＢの破断面観察では、圧力容器Ｃで見ら
れた亀裂や空洞は認められなかった。However, when observing the fracture surfaces of pressure vessels A and B containing carbon fibers or boron fibers, the cracks and cavities seen in pressure vessel C were not observed.
以上、樹脂の材料として、ポリフェニレンサルファイド
の場合を説明したが、ポリカーボネート樹脂、ポリサル
フォン樹脂、ポリエーテルエーテルケトン樹脂またはポ
リエーテルサルフォン樹脂の場合についても同様の試験
結果であった。Although polyphenylene sulfide was used as the resin material above, similar test results were obtained for polycarbonate resin, polysulfone resin, polyether ether ketone resin, or polyether sulfone resin.
発明の効果
以上の実施例から明らかのように樹脂にカーボン繊維も
しくはボロン繊維を含有して成型した圧力容器は、初期
的な耐圧強度が強いとともに、実使用時における耐圧強
度も低下しない。Effects of the Invention As is clear from the above examples, a pressure vessel molded by containing carbon fibers or boron fibers in a resin has high initial pressure resistance and does not deteriorate in pressure resistance during actual use.
また、ガラス繊維を含有させた場合と同等の圧力強度で
十分のときには、圧力容器の肉厚を減少させることがで
きるため、信顛性が高くかつ軽量で低コストの圧力容器
を提供することができる。In addition, when pressure strength equivalent to that obtained when glass fiber is included is sufficient, the wall thickness of the pressure vessel can be reduced, making it possible to provide a highly reliable, lightweight, and low-cost pressure vessel. can.
更に、圧力強度と成型性の関係から、カーボン繊維もし
くは、ボロン繊維の含有量を５〜４５％まで自由に調整
することができる。Furthermore, the content of carbon fiber or boron fiber can be freely adjusted from 5 to 45% depending on the relationship between pressure strength and moldability.
そしてまた、本発明の容器は、亀裂や空洞が発生しない
ため、ガラス繊維を含有させた場合にみられた汚染物の
侵入による変色やいやな臭いが残らないなどのメリット
があるものである。Moreover, since the container of the present invention does not have cracks or cavities, it has the advantage of not discoloring or leaving unpleasant odors due to the intrusion of contaminants, which is the case when glass fibers are included.
図は本発明の一実施例における圧力容器の断面図である
。
１・・・・・・容器本体、２・・・・・・蓋体。
代理人の氏名 弁理士 粟野重孝 はか１名／−−−容
器杢悴
２−ｍ−蓋 悴The figure is a sectional view of a pressure vessel in one embodiment of the present invention. 1... Container body, 2... Lid body. Name of agent: Patent attorney Shigetaka Awano Haka 1 person/---Container Mokusei 2-m-Lid Satoru
Claims (2)
ボロン繊維の少なくとも一方を混入した圧力容器。(1) A pressure vessel made of resin, in which at least one of carbon fiber and boron fiber is mixed.
樹脂、ポリカーボネート樹脂、ポリサルフォン樹脂、ポ
リエーテルエーテルケトン樹脂、ポリエーテルサルフォ
ン樹脂のうち少なくとも一種類の樹脂を使用した特許請
求の範囲第１項記載の圧力容器。(2) A pressure vessel according to claim 1, in which at least one resin selected from polyphenylene sulfide resin, polycarbonate resin, polysulfone resin, polyetheretherketone resin, and polyethersulfone resin is used as the resin material. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11334890A JPH049117A (en) | 1990-04-27 | 1990-04-27 | Pressure vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11334890A JPH049117A (en) | 1990-04-27 | 1990-04-27 | Pressure vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH049117A true JPH049117A (en) | 1992-01-13 |
Family
ID=14609979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11334890A Pending JPH049117A (en) | 1990-04-27 | 1990-04-27 | Pressure vessel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH049117A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001034702A3 (en) * | 1999-10-29 | 2001-08-16 | Bp Corp North America Inc | Polyester ovenware for microwave cooking applications |
| CN108851937A (en) * | 2018-04-24 | 2018-11-23 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking utensil |
-
1990
- 1990-04-27 JP JP11334890A patent/JPH049117A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001034702A3 (en) * | 1999-10-29 | 2001-08-16 | Bp Corp North America Inc | Polyester ovenware for microwave cooking applications |
| CN108851937A (en) * | 2018-04-24 | 2018-11-23 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking utensil |
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