JP3411932B2 - Structure to prevent the blade from sticking to the blade - Google Patents
Structure to prevent the blade from sticking to the bladeInfo
- Publication number
- JP3411932B2 JP3411932B2 JP12171593A JP12171593A JP3411932B2 JP 3411932 B2 JP3411932 B2 JP 3411932B2 JP 12171593 A JP12171593 A JP 12171593A JP 12171593 A JP12171593 A JP 12171593A JP 3411932 B2 JP3411932 B2 JP 3411932B2
- Authority
- JP
- Japan
- Prior art keywords
- blade
- hole
- blade body
- convex portion
- adhesion preventing
- 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
Landscapes
- Knives (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は包丁等の各種刃物にお
いて、その刀身に切断物が付着するのを防止する構造に
関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for preventing cut pieces from adhering to the blade of various blades such as knives.
【０００２】[0002]
【従来の技術】従来、このような切断物付着防止構造を
有する包丁の刀身としては、例えば図４に示すものがあ
る。この刀身においては、貫通孔７が刀身本体１にその
両側面４，５間で貫設され、この貫通孔７により刀身本
体１と材料１１の切片１１ａとの間の接触面積を少なく
して切片１１ａの付着を防止するようになっている。2. Description of the Related Art Conventionally, there is a knife shown in FIG. 4 as a blade of a kitchen knife having such a cut object adhesion preventing structure. In this blade, a through hole 7 is provided in the blade body 1 between both side surfaces 4 and 5 thereof, and the through hole 7 reduces the contact area between the blade body 1 and the slice 11a of the material 11 to cut the slice. 11a is prevented from adhering.
【０００３】[0003]
【発明が解決しようとする課題】ところが、貫通孔７に
応力が集中し易くなるため、貫通孔７の配列や形状及び
刀身本体１の肉厚によっては貫通孔７の周縁に亀裂を生
じるおそれがある。However, since stress tends to concentrate in the through holes 7, there is a risk that cracks may occur at the periphery of the through holes 7 depending on the arrangement and shape of the through holes 7 and the wall thickness of the blade body 1. is there.
【０００４】本発明はこのような貫通孔を有する刀身に
おいて強度を高めることを目的としている。An object of the present invention is to increase the strength of a blade having such a through hole.
【０００５】[0005]
【課題を解決するための手段】後記する各実施例の図面
の符号を援用して本発明を説明する。請求項１の発明に
かかる刃物の刀身は、下記のように構成されている。こ
の刃物の刀身においては、刀身本体１の側面４で刃部３
付近に付着防止部６を設けている。この付着防止部６
で、貫通孔７を刀身本体１の両側面４，５間に開放する
ように形成している。この側面４には凸部８を貫通孔７
の周縁７ａに沿った一連の環状に一体形成している。こ
の凸部８では、貫通孔７の周縁７ａ全体に連続する環状
の内周面８ａから環状の外周面８ｃを経て刀身本体１の
側面４に連続している。この付着防止部６での刀身本体
１の肉厚Ｔ1がこの付着防止部６付近での刀身本体１の
肉厚Ｔ2よりもこの凸部８の肉厚Ｔ3だけ大きくなるよう
にしている。請求項２の発明にかかる刃物の刀身は、下
記のように構成されている。この刃物の刀身において
は、刀身本体１の側面４で刃部３付近に付着防止部６を
設けている。この付着防止部６で、刀身本体１の側面４
に一体形成した凸部８の内側に貫通孔７を刀身本体１の
両側面４，５間に開放するように形成することにより、
この凸部８がこの貫通孔７の周縁７ａに沿った一連の環
状をなしている。この凸部８では、貫通孔７の周縁７ａ
全体に連続する環状の内周面８ａから環状の外周面８ｃ
を経て刀身本体１の側面４に連続している。この付着防
止部６での刀身本体１の肉厚Ｔ1がこの付着防止部６付
近での刀身本体１の肉厚Ｔ2よりもこの凸部８の肉厚Ｔ3
だけ大きくなるようにしている。請求項３の発明は、請
求項１または請求項２の発明を前提として下記のように
構成されている。前記凸部８の外周面８ｃのうち、少な
くとも前記刃部３に対応する側の所定範囲の外周面８ｃ
は、刀身本体１の側面４から離れるに従い貫通孔７の周
縁７ａに近付くように傾斜している。The present invention will be described with reference to the reference numerals in the drawings of the respective embodiments described below. The blade of the blade according to the invention of claim 1 is configured as follows. In the blade of this blade, the blade portion 3 is formed on the side surface 4 of the blade body 1.
The adhesion prevention part 6 is provided in the vicinity. This adhesion prevention part 6
Then, the through hole 7 is formed so as to be opened between both side surfaces 4 and 5 of the blade main body 1. A protrusion 8 is formed on the side surface 4 through the through hole 7.
Is integrally formed in a series of annular shapes along the peripheral edge 7a. This
In the convex portion 8 of, the annular shape continuous to the entire peripheral edge 7a of the through hole 7
Of the blade body 1 from the inner peripheral surface 8a of the
It is continuous to the side surface 4. The wall thickness T 1 of the blade main body 1 at the adhesion preventing portion 6 is made larger than the wall thickness T 2 of the blade main body 1 near the adhesion preventing portion 6 by the wall thickness T 3 of the convex portion 8. . The blade of the cutting tool according to the invention of claim 2 is configured as follows. In the blade of this blade, an adhesion prevention portion 6 is provided on the side surface 4 of the blade body 1 near the blade portion 3. The side surface 4 of the blade main body 1 is prevented by the adhesion preventing portion 6.
By forming a through hole 7 inside the convex portion 8 formed integrally with the blade body so as to open between both side surfaces 4 and 5 of the blade body 1,
The convex portion 8 forms a series of annular shapes along the peripheral edge 7 a of the through hole 7. In the convex portion 8, the peripheral edge 7 a of the through hole 7
An annular inner peripheral surface 8a continuously extending to an annular outer peripheral surface 8c
And continues to the side surface 4 of the blade body 1. Thickness T 3 of the blade body 1 in the thickness T 1 is the convex portion 8 than the thickness T 2 of the blade body 1 in the vicinity of the adhesion preventing part 6 in the adhesion preventing part 6
I am trying to make it bigger. The invention of claim 3 is configured as follows on the premise of the invention of claim 1 or claim 2. Of the outer peripheral surface 8c of the convex portion 8, at least the outer peripheral surface 8c in a predetermined range on the side corresponding to the blade portion 3
Is inclined so as to approach the peripheral edge 7a of the through hole 7 as it moves away from the side surface 4 of the blade body 1.
【０００６】[0006]
【作用】貫通孔７により、切辺１１ａに対する接触面積
が少なくなり、切片１１ａの付着を防止する。この貫通
孔７で生じる応力集中に対しこの凸部８が補強的機能を
果たし、さらに貫通孔７と共に切片１１ａの付着防止機
能をも果たす。The through hole 7 reduces the contact area with the cutting edge 11a and prevents the section 11a from adhering. The convex portion 8 has a function of reinforcing the stress concentration generated in the through hole 7, and also has a function of preventing adhesion of the segment 11a together with the through hole 7.
【０００７】[0007]
【第一実施例】まず、本発明の第一実施例にかかる包丁
を図１を参照して説明する。刀身本体１の背部２と腹側
の刃部３との間にある刀身本体１の両側面４，５のう
ち、一方の側面４には複数の付着防止部６が刃部３付近
でこれに沿って並設されている。First Embodiment First, a kitchen knife according to a first embodiment of the present invention will be described with reference to FIG. Of the side surfaces 4 and 5 of the blade body 1 between the back portion 2 of the blade body 1 and the blade portion 3 on the ventral side, one side surface 4 is provided with a plurality of adhesion preventing portions 6 in the vicinity of the blade portion 3 and along the same. Are installed side by side.
【０００８】各付着防止部６においては、その中央部に
円形状の貫通孔７が形成されて両側面４，５間に開放さ
れ、この側面４には凸部８が貫通孔７の周縁７ａに沿っ
た一連の円環状に一体形成されている。この凸部８にお
いては、この貫通孔７の周縁７ａ全体に連続する環状の
内周面８ａから環状の外周面８ｃを経て刀身本体１の側
面４に連続している。この凸部８の外周面８ｃ全体は、
刀身本体１の側面４から離れるに従い貫通孔７の周縁７
ａに近付くように傾斜している。A circular through hole 7 is formed in the center of each of the adhesion preventing portions 6 and is opened between both side surfaces 4 and 5, and a convex portion 8 is formed on the side surface 4 at a peripheral edge 7a of the through hole 7. Are integrally formed in a series of annular shapes along the. In this protrusion 8, it is continuous through the outer peripheral surface 8 c the inner peripheral surface 8a or RaTamaki shaped annular continuous throughout the periphery 7a of the through hole 7 on the side surface 4 of the blade body 1. The entire outer peripheral surface 8c of the convex portion 8 is
The peripheral edge 7 of the through hole 7 increases as the distance from the side surface 4 of the blade body 1 increases.
It is inclined so as to approach a.
【０００９】そして、この刀身本体１により材料１１を
切断すると、その切片１１ａが付着防止部６で貫通孔７
に面して凸部８により刀身本体１の一側面４から強制的
に離され、一側面４に付着しにくくなる。Then, when the material 11 is cut by the blade body 1, the section 11a is cut through the through hole 7 at the adhesion preventing portion 6.
The blade 8 is forcibly separated from the one side surface 4 of the blade body 1 by the convex portion 8 and is unlikely to adhere to the one side surface 4.
【００１０】特に、貫通孔７により、切片１１ａに対す
る接触面積を少なくすることで切片１１ａの付着を防止
して、切断操作をし易くする形式の包丁にあって、その
貫通孔７の周縁７ａに沿って凸部８を設けたので、この
付着防止部６での刀身本体１の肉厚Ｔ１がこの付着防止
部６付近での刀身本体１の肉厚Ｔ２よりも凸部８の肉厚
Ｔ３だけ大きくなる。従って、この貫通孔７で生じる応
力集中に対しこの凸部８が補強的機能を果たす。しか
も、この凸部８は貫通孔７と共に切片１１ａの付着防止
機能をも果たす。[0010] In particular, the through holes 7, to prevent adhesion of sections 11a by reducing the contact area with the sections 11a, In the knife form to facilitate the cutting operation, the peripheral edge 7a of the through hole 7 Since the protrusions 8 are provided along the protrusions 8, the wall thickness T 1 of the blade body 1 at the adhesion prevention portion 6 is larger than the wall thickness T 2 of the blade body 1 near the adhesion prevention portion 6 It increases by T 3 . Therefore, the convex portion 8 has a function of reinforcing the stress concentration generated in the through hole 7. Moreover, the convex portion 8 also functions to prevent the attachment of the segment 11a together with the through hole 7.
【００１１】[0011]
【第二実施例】次に、本発明の第二実施例にかかる包丁
を図２を参照して説明する。この第２実施例にかかる刀
身本体１は前記第一実施例にかかる刀身本体１と同一形
状になっているが、第二実施例の刀身本体１では特殊な
表面処理が施されている点で第一実施例の刀身本体１と
異なる。即ち、第二実施例の刀身本体１の両側面４，５
において帯状の粗面４ａ，５ａが刃部３の付近でこれに
沿って刃部３の尖端３ａから刀身本体１のあご部９にわ
たり延設されている。この粗面４ａ，５ａの領域内に前
記付着防止部６が設けられている。刀身本体１の両側面
４，５において、粗面４ａ，５ａと背部２との間に残る
帯状の研磨面４ｂ，５ｂや、刃付けされて研磨された刃
部３と比較して、それらの表面あらさよりも粗面４ａ，
５ａの表面あらさが粗くなっている。因みに、この表面
あらさは十点平均あらさで表される。この十点平均あら
さは、断面曲線から基準長さだけ抜き取った部分におい
て、平均線に平行、かつ、断面曲線を横切らない直線か
ら縦倍率の方向に測定した最高から５番目までの山頂の
標高の平均値と最深から５番目までの谷底の標高の平均
値との差の値をマイクロメートルで表したものを言う。
この表面あらさは場所によっても異なるため、数箇所で
測って各距離の平均により決める。[Second Embodiment] Next, a kitchen knife according to a second embodiment of the present invention will be described with reference to FIG. The blade body 1 according to the second embodiment has the same shape as the blade body 1 according to the first embodiment, but the blade body 1 according to the second embodiment has a special surface treatment. It is different from the blade body 1 of the first embodiment. That is, both side surfaces 4, 5 of the blade main body 1 of the second embodiment
In, the strip-shaped rough surfaces 4a and 5a are provided in the vicinity of the blade portion 3 and extend along the same from the tip 3a of the blade portion 3 to the jaw portion 9 of the blade body 1. The adhesion preventing portion 6 is provided in the area of the rough surfaces 4a and 5a. On both side surfaces 4 and 5 of the blade body 1, compared to the strip-shaped polishing surfaces 4b and 5b remaining between the rough surfaces 4a and 5a and the back portion 2 and the blade portion 3 which has been bladed and polished, Rough surface 4a rather than surface roughness,
The surface roughness of 5a is rough. By the way, this surface roughness is expressed by a ten-point average roughness. This ten-point average roughness is the height of the top of the summit measured from the straight line that does not cross the cross-section curve and in the direction of longitudinal magnification in the part where the reference length is extracted from the cross-section curve. It is the value of the difference between the average value and the average value of the elevation of the valley bottom from the deepest to the fifth, expressed in micrometers.
Since this surface roughness varies depending on the location, it is measured at several points and determined by averaging each distance.
【００１２】この粗面４ａ，５ａの成形は、ショットブ
ラストやホーニングなどの周知の表面処理手段による。
この粗面４ａ，５ａは付着防止部６において凸部８上は
もちろん、貫通孔７の内周にも施される。The rough surfaces 4a and 5a are formed by a known surface treatment means such as shot blasting or honing.
The rough surfaces 4a and 5a are formed not only on the convex portion 8 in the adhesion preventing portion 6 but also on the inner circumference of the through hole 7.
【００１３】このような粗面４ａ，５ａがあると、切片
１１ａの付着をより一層防止できる。With such rough surfaces 4a and 5a, the attachment of the segment 11a can be further prevented.
【００１４】[0014]
【第三実施例】図３に示すように、この第三実施例にか
かる刀身本体１においては、各付着防止部６の貫通孔７
や凸部８がデザイン化されて表されている。このデザイ
ンとしては、図示のもの以外に、松竹梅など各種のもの
に変更してもよい。Third Embodiment As shown in FIG. 3, in the blade main body 1 according to the third embodiment, the through holes 7 of the adhesion preventing portions 6 are formed.
The convex portion 8 is designed and shown. In addition to the design, the design may be changed to various designs such as Shochikuume.
【００１５】前述した実施例においては、各付着防止部
６の配列や、付着防止部６の貫通孔７や凸部８の形状を
変更したり、刀身本体１の両側面４，５にそれぞれ付着
防止部６を設けたりしてもよい。In the above-described embodiment , the arrangement of the adhesion preventing portions 6 and the shapes of the through holes 7 and the convex portions 8 of the adhesion preventing portion 6 are changed, and the adhesion preventing portions 6 are attached to both side surfaces 4 and 5 of the blade body 1, respectively. The prevention unit 6 may be provided.
【００１６】[0016]
【発明の効果】本発明にかかる刃物の刀身によれば、刀
身本体１の貫通孔７または凸部８により切片１１ａの付
着を防止する形式の切断物付着防止構造において、刀身
本体１の側面４における貫通孔７の周縁７ａ全体で所定
の凸部８を同周縁７ａに沿った一連の環状に一体形成す
るか、または、刀身本体１の側面４に一体形成した所定
の凸部８の内側に貫通孔７を形成することによりこの凸
部８がこの貫通孔７の周縁７ａに沿った一連の環状をな
すようにしたので、貫通孔７と凸部８とを一つの形態に
まとめた付着防止部６は、応力集中に対する補強的機能
と、切片１１ａの付着防止機能とを有し、補強効果と付
着防止効果とを同時に奏する。According to the knife blade of the present invention, the side surface 4 of the blade body 1 is provided in the cutting object attachment preventing structure of the type in which the attachment of the section 11a is prevented by the through hole 7 or the convex portion 8 of the blade body 1. given the entire periphery 7a of the through hole 7 in
Given that the protrusion 8 or formed integrally with a series of annular along the periphery 7a, or integrally formed on the side surface 4 of the blade body 1 of the
By forming the through hole 7 inside the convex portion 8 of this, the convex portion 8 forms a series of annular shapes along the peripheral edge 7 a of the through hole 7, so that the through hole 7 and the convex portion 8 are The adhesion preventing portion 6 combined into one form has a reinforcing function against stress concentration and an adhesion preventing function of the section 11a, and has a reinforcing effect and an adhesion preventing effect at the same time.
【図１】（ａ）は第一実施例にかかる包丁を示す正面図
であり、（ｂ）は（ａ）のＸ−Ｘ線部分拡大断面図であ
る。FIG. 1A is a front view showing a kitchen knife according to a first embodiment, and FIG. 1B is an enlarged sectional view taken along line X-X of FIG.
【図２】（ａ）は第二実施例にかかる包丁を示す正面図
であり、（ｂ）は（ａ）のＹ−Ｙ線部分拡大断面図であ
る。FIG. 2A is a front view showing a kitchen knife according to a second embodiment, and FIG. 2B is an enlarged sectional view taken along line YY of FIG.
【図３】（ａ）は第三実施例にかかる包丁の一例を示す
正面図であり、（ｂ）は同じく別例を示す正面図であ
る。FIG. 3 (a) is a front view showing an example of a kitchen knife according to a third embodiment, and FIG. 3 (b) is a front view showing another example thereof.
【図４】（ａ）は従来の包丁を示す正面図であり、
（ｂ）は（ａ）のＺ−Ｚ線部分拡大断面図である。FIG. 4A is a front view showing a conventional kitchen knife,
(B) is a ZZ line partial expanded sectional view of (a).
１…刀身本体、３…刃部、４…側面、６…付着防止部、
７…貫通孔、８…凸部、１１ａ…切片。1 ... Blade main body, 3 ... Blade portion, 4 ... Side surface, 6 ... Adhesion prevention portion,
7 ... Through hole, 8 ... Convex part, 11a ... Section.
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) B26B 1/00 - 11/00 B26B 23/00 - 29/04 ─────────────────────────────────────────────────── ─── Continuation of front page (58) Fields surveyed (Int.Cl. 7 , DB name) B26B 1/00-11/00 B26B 23/00-29/04
Claims (3)
（３）付近に付着防止部（６）を設けた刃物の刀身にお
いて、 前記付着防止部（６）で、貫通孔（７）を刀身本体
（１）の両側面（４，５）間に開放するように形成し、 この側面（４）には凸部（８）を貫通孔（７）の周縁
（７ａ）に沿った一連の環状に一体形成し、この凸部
（８）では貫通孔（７）の周縁（７ａ）全体に連続する
環状の内周面（８ａ）から環状の外周面（８ｃ）を経て
刀身本体（１）の側面（４）に連続し、 この付着防止部（６）での刀身本体（１）の肉厚
（Ｔ1）がこの付着防止部（６）付近での刀身本体
（１）の肉厚（Ｔ2）よりもこの凸部（８）の肉厚
（Ｔ3）だけ大きくなるようにしたことを特徴とする刃
物における刀身の切断物付着防止構造。1. A blade blade having a blade body (1) provided with an adhesion preventing portion (6) near a blade portion (3) on a side surface (4) of the blade body, wherein the attachment preventing portion (6) has a through hole (7). ) Is formed so as to be opened between both side surfaces (4, 5) of the blade main body (1), and a protrusion (8) is formed on the side surface (4) along the peripheral edge (7a) of the through hole (7). This convex part is integrally formed into a series of annular shapes.
In (8), the entire periphery (7a) of the through hole (7) is continuous.
From the inner ring surface (8a) to the outer ring surface (8c)
The blade body (1) is continuous with the side surface (4) of the blade body (1), and the wall thickness (T 1 ) of the blade body (1) at the adhesion preventing portion (6) is near the adhesion preventing portion (6). The thickness (T 3 ) of the convex portion (8) is made larger than the thickness (T 2 ) of FIG.
（３）付近に付着防止部（６）を設けた刃物の刀身にお
いて、 前記付着防止部（６）で、刀身本体（１）の側面（４）
に一体形成した凸部（８）の内側に貫通孔（７）を刀身
本体（１）の両側面（４，５）間に開放するように形成
することにより、この凸部（８）がこの貫通孔（７）の
周縁（７ａ）に沿った一連の環状をなし、この凸部
（８）では貫通孔（７）の周縁（７ａ）全体に連続する
環状の内周面（８ａ）から環状の外周面（８ｃ）を経て
刀身本体（１）の側面（４）に連続し、 この付着防止部（６）での刀身本体（１）の肉厚
（Ｔ1）がこの付着防止部（６）付近での刀身本体
（１）の肉厚（Ｔ2）よりもこの凸部（８）の肉厚
（Ｔ3）だけ大きくなるようにしたことを特徴とする刃
物における刀身の切断物付着防止構造。2. A blade blade having a blade body (1) provided with an adhesion prevention portion (6) near a blade portion (3) on a side surface (4) of the blade body, wherein the adhesion prevention portion (6) comprises a blade body (1). ) Side (4)
By forming a through hole (7) inside the convex portion (8) formed integrally with the blade so as to open between both side surfaces (4, 5) of the blade main body (1), the convex portion (8) is This convex portion forms a series of rings along the peripheral edge (7a) of the through hole (7).
In (8), the entire periphery (7a) of the through hole (7) is continuous.
From the inner ring surface (8a) to the outer ring surface (8c)
The blade body (1) is continuous with the side surface (4) of the blade body (1), and the wall thickness (T 1 ) of the blade body (1) at the adhesion preventing portion (6) is near the adhesion preventing portion (6). The thickness (T 3 ) of the convex portion (8) is made larger than the thickness (T 2 ) of FIG.
ち、少なくとも前記刃部（３）に対応する側の所定範囲
の外周面（８ｃ）は、刀身本体（１）の側面（４）から
離れるに従い貫通孔（７）の周縁（７ａ）に近付くよう
に傾斜していることを特徴とする請求項１または請求項
２に記載の刃物における刀身の切断物付着防止構造。3. Of the outer peripheral surface (8c) of the convex portion (8), at least the outer peripheral surface (8c) in a predetermined range on the side corresponding to the blade portion (3) is a side surface (1) of the blade body (1). 4. The blade blade cut object adhesion preventing structure for a blade according to claim 1 or 2, wherein the structure is inclined so as to come closer to the peripheral edge (7a) of the through hole (7) as the distance from 4) increases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12171593A JP3411932B2 (en) | 1993-05-24 | 1993-05-24 | Structure to prevent the blade from sticking to the blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12171593A JP3411932B2 (en) | 1993-05-24 | 1993-05-24 | Structure to prevent the blade from sticking to the blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06327850A JPH06327850A (en) | 1994-11-29 |
| JP3411932B2 true JP3411932B2 (en) | 2003-06-03 |
Family
ID=14818091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12171593A Expired - Lifetime JP3411932B2 (en) | 1993-05-24 | 1993-05-24 | Structure to prevent the blade from sticking to the blade |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3411932B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001340667A (en) * | 2000-06-06 | 2001-12-11 | Kaijirushi Hamono Kaihatsu Center:Kk | Kitchen knife |
| CN104723363A (en) * | 2013-12-20 | 2015-06-24 | 刘艳红 | Melon and fruit cutter |
| JP6078797B1 (en) * | 2016-03-30 | 2017-02-15 | 株式会社スーパースイーツ | Chocolate cutting utensils |
-
1993
- 1993-05-24 JP JP12171593A patent/JP3411932B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06327850A (en) | 1994-11-29 |
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