JPH0632107Y2 - Local cooling equipment for living body - Google Patents
Local cooling equipment for living bodyInfo
- Publication number
- JPH0632107Y2 JPH0632107Y2 JP11230489U JP11230489U JPH0632107Y2 JP H0632107 Y2 JPH0632107 Y2 JP H0632107Y2 JP 11230489 U JP11230489 U JP 11230489U JP 11230489 U JP11230489 U JP 11230489U JP H0632107 Y2 JPH0632107 Y2 JP H0632107Y2
- Authority
- JP
- Japan
- Prior art keywords
- heat absorbing
- hydrogen
- heat
- living body
- dissipating
- 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
Links
- 238000001816 cooling Methods 0.000 title claims description 18
- 229910052739 hydrogen Inorganic materials 0.000 claims description 28
- 239000001257 hydrogen Substances 0.000 claims description 28
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 21
- 239000000956 alloy Substances 0.000 claims description 20
- 229910045601 alloy Inorganic materials 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 18
- 150000002431 hydrogen Chemical class 0.000 claims description 7
- 238000010494 dissociation reaction Methods 0.000 claims description 5
- 230000005593 dissociations Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052723 transition metal Inorganic materials 0.000 description 4
- 150000003624 transition metals Chemical class 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- BWMISRWJRUSYEX-SZKNIZGXSA-N terbinafine hydrochloride Chemical compound Cl.C1=CC=C2C(CN(C\C=C\C#CC(C)(C)C)C)=CC=CC2=C1 BWMISRWJRUSYEX-SZKNIZGXSA-N 0.000 description 3
- 201000004647 tinea pedis Diseases 0.000 description 3
- 208000034656 Contusions Diseases 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- 208000034526 bruise Diseases 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 230000003110 anti-inflammatory effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Landscapes
- Sorption Type Refrigeration Machines (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Finger-Pressure Massage (AREA)
Description
【考案の詳細な説明】 （イ）産業上の利用分野 本考案は携帯用、或るいは家庭用の冷温器具に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a portable or household cooling / heating appliance.
（ロ）従来の技術 例えば日経トレンディ１９８９年１０月号第１８１頁に
温冷灸器についての従来技術が開示されている。この文
献によれば従来市販されている温冷灸器は細い鉄管の中
に線香の束を詰めて、その先端を肌に当ててこする程度
のものであり、艾を直接肌におくよりは優れているもの
の、加熱源が永久的なものではなく、詰替えに費やす手
間は解消されていないものであった。(B) Conventional Technology For example, Nikkei Trendy October 1989, page 181 discloses a conventional technology for a hot and cold moxibustion device. According to this document, the conventional hot and cold moxibustion device commercially available is one in which a bundle of incense sticks is packed in a thin iron pipe and the tip is rubbed against the skin, which is superior to placing the humps directly on the skin. However, the heating source is not permanent, and the labor required for refilling has not been eliminated.
（ハ）考案が解決しようとする課題 本考案が解決しようとする課題はこのような事実に鑑
み、加熱源の詰替えの必要がなく半永久的に使用可能で
あると共に、信頼性に優れた生体用局所冷温器具を開発
することである。(C) Problems to be solved by the invention In view of these facts, the problem to be solved by the present invention is a living body which can be used semipermanently without the need to refill the heating source and which has excellent reliability. Is to develop a local cold and warm appliance for use.
（ニ）課題を解決するための手段 本考案は内部に水素を封入し両端に生体の局所等の被当
接部に当接可能な吸放熱部が形成された密封容器と、前
記各吸放熱部内に夫々充填された水素解離圧の相異なる
水素吸蔵合金と、前記密封容器の各吸放熱部間に設けら
れた開閉弁とより成る生体用局所冷温器具である。(D) Means for Solving the Problems The present invention is a sealed container in which hydrogen is enclosed and both ends thereof are provided with heat absorbing / dissipating portions capable of contacting a contacted portion such as a local portion of a living body, A local cooling device for a living body, comprising: hydrogen storage alloys having different hydrogen dissociation pressures, which are filled in the respective parts, and an on-off valve provided between each heat absorbing / dissipating part of the sealed container.
又、上記各吸放熱部が同時に被当接部に当接可能となる
ように上記密封容器を折曲したものである。Also, the hermetically sealed container is bent so that each of the heat absorbing and radiating portions can simultaneously contact the contacted portion.
（ホ）作用 開閉弁を開き、水素を吸収して解離圧の高くなっている
一方の吸放熱部から、水素を吸収する前の他方の吸放熱
部へ水素を移動させ、水素を放出した側の吸放熱部で冷
熱を得ると共に、水素を吸収した側の吸放熱部で温熱を
得る。得られた冷温熱を人体の局所冷却、加熱に利用す
る。(E) Action The side that released hydrogen by opening the on-off valve and moving hydrogen from one heat absorbing / dissipating part that has absorbed hydrogen and has a high dissociation pressure to the other heat absorbing / dissipating part before absorbing hydrogen. The heat absorbing / dissipating section obtains cold heat and the heat absorbing / dissipating section on the side that has absorbed hydrogen obtains warm heat. The cold heat obtained is used for local cooling and heating of the human body.
（ヘ）実施例 以下本考案を生体用局所冷温器具をその一実施例を開示
した図面に基づき詳細に説明する。(F) Embodiment Hereinafter, the present invention will be described in detail with reference to the drawings showing an embodiment of a local cooling / heating device for a living body.
第１図に示す冷温器具の第１実施例において、（１）は
管径１０〜２０mm、長さ１００〜２００mmのステンレス
製等の密封容器、(2)(3)は該密封容器の両端に夫々形成
された第１、第２吸放熱部、(4)(5)は前記両吸放熱部
(2)(3)の内部に夫々１５〜３０ｇ程度充填された互いに
水素解離圧の異なる水素吸蔵合金、(6)(7)は各吸放熱部
(2)(3)に設けられた水素は通すが合金は通さない程度の
ミクロの透孔を有する材料によって形成された飛散防止
用フィルター、(8)は前記密封容器(1)の両吸放熱部(2)
(3)間に設けられ一方の吸放熱部(2)から他方の吸放熱部
(3)へ、或るいはその逆の方向へ水素(H2)を流すか否か
を制御する開閉弁、(9)は前記第１吸放熱部(2)に設けら
れた当接部である。In the first embodiment of the cooling and heating apparatus shown in FIG. 1, (1) is a sealed container such as stainless steel having a tube diameter of 10 to 20 mm and a length of 100 to 200 mm, and (2) and (3) are at both ends of the sealed container. First and second heat absorbing / dissipating portions formed respectively, (4) and (5) are both the heat absorbing / dissipating portions.
(2) Hydrogen storage alloys with different hydrogen dissociation pressures filled in the inside of (3) about 15 to 30g respectively, (6) and (7) are heat absorbing and releasing parts
(2) An anti-scattering filter formed by a material provided in (3) through which hydrogen passes but an alloy does not pass, and (8) indicates both heat absorption and heat dissipation of the sealed container (1). Division (2)
(3) Between one heat sink and heat sink (2) to the other heat sink and heat sink
An on-off valve for controlling whether or not hydrogen (H 2 ) is flown in (3) or in the opposite direction, (9) is an abutment part provided in the first heat absorbing and radiating part (2). is there.
前記吸放熱部(2)(3)に充填される合金は例えばＡＢ５型
六方晶構造を有し、Ａは希土類元素、或るいはＣａの内
から選ばれた少なくとも１種であり、Ｂは第１遷移金属
の内から選ばれた少なくとも１種である。The alloy filled in the heat absorbing / dissipating portions (2) and (3) has, for example, an AB 5 type hexagonal structure, A is at least one selected from rare earth elements or Ca, and B is It is at least one selected from the first transition metals.
そしてＡの希土類元素は、Ｌａ、Ｃｅ、Ｎｄ、Ｐｒ、Ｓ
ｍの内から選ばれた少なくとも１種、或るいはそれらの
混合物からなる。The rare earth element of A is La, Ce, Nd, Pr, S
At least one selected from m or a mixture thereof.
又、Ｂの第１遷移金属はＣｒ、Ｍｎ、Ｆｅ、Ｃｏ、Ｎ
ｉ、Ｃｕのうちから選ばれた少なくとも１種である。The first transition metal of B is Cr, Mn, Fe, Co, N.
At least one selected from i and Cu.
更に、前記合金(2)(3)はＡＢ型立方晶構造、或るいはＡ
Ｂ２型六方晶構造を有し、ＡはＴｉ、Ｚｒ、Ｖ、アルカ
リ土類金属の内から選ばれた少なくとも１種、Ｂは第１
遷移金属の内から選ばれた少なくとも１種であってもよ
い。Further, the alloys (2) and (3) have an AB type cubic crystal structure or A
It has a B 2 type hexagonal crystal structure, A is at least one selected from Ti, Zr, V and alkaline earth metals, and B is the first
It may be at least one selected from transition metals.
そして、前記アルカリ土類金属は、Ｃａ、Ｍｇの内から
選ばれた少なくとも１種であると共に、前記第１遷移金
属は、Ｃｒ、Ｍｎ、Ｆｅ、Ｃｏ、Ｎｉ、Ｃｕのうちから
選ばれた少なくとも１種であってもよい。The alkaline earth metal is at least one selected from Ca and Mg, and the first transition metal is at least selected from Cr, Mn, Fe, Co, Ni, and Cu. It may be one kind.
要するに前記合金(4)(5)は上記各種の材料から、最も適
当だと思われる水素解離圧の異なるものを選んで充填す
れば良い。そしてこの合金の選び方によって加熱、或る
いは冷却温度が決まる。In short, the alloys (4) and (5) may be filled by selecting one of the above-mentioned various materials having a different hydrogen dissociation pressure which seems to be most suitable. The heating or cooling temperature is determined by the choice of this alloy.
又、第１実施例において前記開閉弁を一度開放すれば再
び閉じることのできないようなものを使えば使い捨ての
冷温器具となる。Further, in the first embodiment, if the on-off valve that cannot be closed once opened is used, it becomes a disposable cold and warm appliance.
この第１実施例において予め第２吸放熱部(3)内の合金
(5)に水素を吸収させておく。そして開閉弁(8)を開放す
ると、合金(5)に吸収されていた水素が第１吸放熱部(2)
内へ流れ込み、該吸放熱部(2)内の合金(4)に吸収され
る。この時合金(4)は水素吸収による熱（８０〜１００
℃）を発生し、この熱は合金(4)から第１吸放熱部(2)を
介して当接部(9)へと伝わる。そして５０℃程度に温め
られた当接部(9)を肌に当てると灸を据えたのと同等の
効果を得られる。また５０℃程度の熱は水虫にも効果が
あるというロウソクによる実験報告が知られているが、
上記局所冷温器具を用いて水虫を治療するという用途も
ある。In the first embodiment, the alloy in the second heat absorbing / dissipating portion (3) is previously prepared.
Absorb hydrogen in (5). Then, when the on-off valve (8) is opened, the hydrogen absorbed by the alloy (5) is absorbed by the first heat absorbing / dissipating part (2).
It flows into the inside and is absorbed by the alloy (4) in the heat absorbing / dissipating part (2). At this time, the alloy (4) is heated by hydrogen absorption (80-100
C.) is generated, and this heat is transmitted from the alloy (4) to the contact portion (9) through the first heat absorbing / dissipating portion (2). When the contact portion (9) heated to about 50 ° C. is applied to the skin, the same effect as when moxibustion is set up can be obtained. In addition, there are known reports from candles that heat of about 50 ° C is effective against athlete's foot.
There is also an application of treating athlete's foot using the above-mentioned local cooling / heating equipment.
尚、一度合金(4)に吸収された水素は弁(8)を開放した状
態で外部からライター等を利用して吸放熱部(2)を加熱
し、水素を他方の合金(5)に再び吸収させた最後に弁(8)
を閉じることによって使用前の状態に戻すことが可能で
ある。The hydrogen once absorbed by the alloy (4) is used to heat the heat absorbing / dissipating part (2) from the outside by using a lighter or the like with the valve (8) opened, and the hydrogen is again absorbed in the other alloy (5). Last valve absorbed (8)
It is possible to return to the state before use by closing.
次に第２図は本冷温器具の第２実施例を示し、前記密封
容器(1)の両端に当接部(9)(10)を有する第１、第２吸放
熱部(2)(3)を設けた点が第１実施例とは異なっている。Next, FIG. 2 shows a second embodiment of the present cooling and heating apparatus, which comprises first and second heat absorbing / releasing parts (2) (3) having abutting parts (9) (10) at both ends of the hermetically sealed container (1). ) Is different from the first embodiment.
この第２実施例においても第１実施例と同様に予め第２
吸放熱部(3)内の合金(5)に水素を吸収させておき、開閉
弁(8)を開放して水素の移動を行い、第１吸放熱部(2)内
の合金(2)に吸収させる。この時の合金(4)によって発生
する熱は合金(4)から第１吸放熱部(2)を介して当接部
(9)へと伝わる。そして５０℃程度に温められた当接部
(9)を肌に当てると灸を据えたのと同等の効果を得られ
る。In the second embodiment as well, as in the first embodiment, the second
Hydrogen is absorbed by the alloy (5) in the heat absorbing / dissipating part (3), the on-off valve (8) is opened to move the hydrogen, and the alloy (2) in the first heat absorbing / dissipating part (2) Absorb. The heat generated by the alloy (4) at this time is generated from the alloy (4) through the first heat absorbing / dissipating part (2) and in the contact part.
It goes to (9). And the abutting part heated to about 50 ° C
Applying (9) to the skin produces the same effect as placing moxibustion.
一方水素を放出した第２吸放熱部(3)では、この水素放
出時に周囲から熱を奪うという吸熱現象が生じている。
従って、該第２吸放熱部(3)の当接部(10)を肌に接触さ
せることによって局部的に−２０〜５℃に冷却すること
が可能である。この冷熱は患部の消炎に利用される。On the other hand, in the second heat absorbing / dissipating portion (3) which has released hydrogen, an endothermic phenomenon occurs in which heat is taken from the surroundings when the hydrogen is released.
Therefore, it is possible to locally cool to −20 to 5 ° C. by bringing the abutting portion (10) of the second heat absorbing / radiating portion (3) into contact with the skin. This cold heat is used for extinction of the affected area.
このように第２実施例では、いずれかの当接部(9)(10)
を選択的に肌に当接させることにより、局部的に加熱し
たり、或るいは冷却したりすることが可能となる。尚、
使用前の状態に戻す方法は第１実施例の場合と同様であ
る。Thus, in the second embodiment, any of the contact parts (9) (10)
By selectively contacting with the skin, it is possible to locally heat or cool. still,
The method of returning to the state before use is the same as in the case of the first embodiment.
ところで上記第２実施例では同時に加熱と冷却を肌に対
して行うことができない。この点を改良したものが第３
図、或るいは第４図に示す第３実施例、及び第４実施例
である。第３実施例は前記第２実施例の冷温器具を開閉
弁(8)の位置にて折曲したものであり、両当接部(9)(10)
が同一平面上に位置するので、同時に肌の異なる部位を
選択的に加熱、或るいは冷却することが可能となる。By the way, in the second embodiment, the skin cannot be heated and cooled at the same time. The third one is an improvement on this point.
The third embodiment and the fourth embodiment shown in FIG. The third embodiment is one in which the cold / hot appliance of the second embodiment is bent at the position of the opening / closing valve (8), and both contact portions (9) (10)
Are located on the same plane, it is possible to selectively heat or cool different parts of the skin at the same time.
尚、この実施例において、密封容器(1)自身を可橈性を
有する金属、その他の材料で形成すれば第２実施例のよ
うな加熱、冷却のいずれか一方のみを使用することと、
第３図実施例のように同時に加熱、冷却することの両方
を１個の冷温器具で行うことが可能となる。In this embodiment, if the sealed container (1) itself is made of a flexible metal or other material, only one of heating and cooling as in the second embodiment is used,
As in the embodiment shown in FIG. 3, it is possible to perform both heating and cooling at the same time with a single cooling / heating device.
又、第４実施例は第３実施例の冷温器具を開閉弁(8)を
共有した形で複数の器具を組合わたもので、２つ以上の
第１吸放熱部(2)(12)と、第２吸放熱部(3)(13)とを形成
することができ、２対以上の当接面(9)(10)、(19)(20)
を形成することができるので、加熱、或るいは冷却する
ことのできる部位を増やすことができる。The fourth embodiment is a combination of the cold and warm equipment of the third embodiment in which the on-off valve (8) is shared and two or more first heat absorbing / dissipating parts (2) (12). , The second heat radiation / dissipation part (3) (13) can be formed, and two or more pairs of contact surfaces (9) (10), (19) (20) can be formed.
Can be formed, so that it is possible to increase the number of portions that can be heated or cooled.
尚、上記第３、第４実施例において、水素の移動による
加熱、冷却のメカニズム、及び使用後に水素を元に戻す
方法については第２実施例の場合と同様である。In the third and fourth embodiments, the heating and cooling mechanism by moving hydrogen and the method of returning hydrogen after use are the same as those in the second embodiment.
（ト）考案の効果 以上の如く本考案によれば、携帯用で便利な冷温器具を
提供できるのみならず、面倒な加熱源、或るいは冷却源
の交換が不要であり、信頼性が高く、ライターの火程度
の熱で容易に使用前の状態に再生させることが可能であ
ると共に、温熱の場合、灸としての効用が期待でき、且
つ水虫の治療等医療分野における数々の効果が期待でき
る。(G) Effect of the Invention According to the present invention as described above, not only can a portable and convenient cooling / heating appliance be provided, but also a troublesome heating source or a cooling source need not be replaced, and the reliability is high. In addition, it can be easily regenerated to the state before use by heat of the lighter's fire level, and in the case of warm heat, it can be expected to have an effect as moxibustion, and various effects in the medical field such as treatment of athlete's foot can be expected. .
更に冷熱の場合には、打ち身や打撲等の幹部に対する消
炎効果が期待できる。Further, in the case of cold heat, an anti-inflammatory effect on the trunk such as bruise and bruise can be expected.
第１図は本考案の冷温器具の第１実施例を示す縦断面
図、第２図は同じく第２実施例を示す縦断面図、第３図
は同じく第３実施例を示す縦断面図、第４図は第４実施
例を示す外観斜視図である。 (1)……密封容器、 (2)(12)……第１吸放熱部、 (3)(13)……第２吸放熱部、 (4)(5)……水素吸蔵合金、 (6)(7)……フィルター、 (8)……開閉弁、 (9)(10)(19)(20)……当接面。FIG. 1 is a vertical sectional view showing a first embodiment of the cooling / heating apparatus of the present invention, FIG. 2 is a vertical sectional view showing the same second embodiment, and FIG. 3 is a vertical sectional view showing the same as a third embodiment. FIG. 4 is an external perspective view showing the fourth embodiment. (1) …… hermetically sealed container, (2) (12) …… first heat absorbing / releasing part, (3) (13) …… second heat absorbing / releasing part, (4) (5) …… hydrogen storage alloy, (6 ) (7) …… Filter, (8) …… Open / close valve, (9) (10) (19) (20) …… Abutting surface.
───────────────────────────────────────────────────── フロントページの続き (72)考案者 米崎 孝広 大阪府守口市京阪本通２丁目18番地 三洋 電機株式会社内 (72)考案者 古川 明男 大阪府守口市京阪本通２丁目18番地 三洋 電機株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Takahiro Yonezaki, 2-18 Keihan Hon-dori, Moriguchi City, Osaka Prefecture Sanyo Electric Co., Ltd. (72) Akio Furukawa 2--18, Keihan Hon-dori, Moriguchi City, Osaka Sanyo Denki Within the corporation
Claims (2)
被当接部に当接可能な吸放熱部が形成された密封容器
と、前記各吸放熱部内に夫々充填された水素解離圧の相
異なる水素吸蔵合金と、前記密封容器の各吸放熱部間に
設けられた開閉弁とより成る生体用局所冷温器具。1. A sealed container in which hydrogen is enclosed and both ends of which are formed heat absorbing / dissipating portions capable of contacting a contacted portion such as a local portion of a living body, and hydrogen dissociation filled in each of the heat absorbing / dissipating portions. A local cooling / heating device for a living body, comprising a hydrogen storage alloy having different pressures and an opening / closing valve provided between each heat absorbing / dissipating portion of the sealed container.
能となるように上記密封容器を折曲したことを特徴とす
る上記請求項（１）記載の生体用局所冷温器具。2. The local cooling / heating apparatus for a living body according to claim 1, wherein the hermetically sealed container is bent so that each of the heat absorbing / dissipating portions can contact the contacted portion at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11230489U JPH0632107Y2 (en) | 1989-09-26 | 1989-09-26 | Local cooling equipment for living body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11230489U JPH0632107Y2 (en) | 1989-09-26 | 1989-09-26 | Local cooling equipment for living body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0353242U JPH0353242U (en) | 1991-05-23 |
| JPH0632107Y2 true JPH0632107Y2 (en) | 1994-08-24 |
Family
ID=31660753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11230489U Expired - Lifetime JPH0632107Y2 (en) | 1989-09-26 | 1989-09-26 | Local cooling equipment for living body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0632107Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2025180804A (en) * | 2024-05-30 | 2025-12-11 | 俊行 門脇 | Facial cooling devices and cooling equipment |
-
1989
- 1989-09-26 JP JP11230489U patent/JPH0632107Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0353242U (en) | 1991-05-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |