JP2846767B2 - Electric heater - Google Patents
Electric heaterInfo
- Publication number
- JP2846767B2 JP2846767B2 JP4181051A JP18105192A JP2846767B2 JP 2846767 B2 JP2846767 B2 JP 2846767B2 JP 4181051 A JP4181051 A JP 4181051A JP 18105192 A JP18105192 A JP 18105192A JP 2846767 B2 JP2846767 B2 JP 2846767B2
- Authority
- JP
- Japan
- Prior art keywords
- heater
- temperature
- limiter
- fan
- wall surface
- 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 - Fee Related
Links
Landscapes
- Direct Air Heating By Heater Or Combustion Gas (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は電気コタツに使用する電
気温風機に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric hot air blower used for electric kotatsu.
【０００２】[0002]
【従来の技術】電気コタツに使用する電気温風機は特開
昭６０−６０４５２号公報に示されるように風胴内にフ
ァンと横長のヒータを内装し、吸気した空気をファンに
よって送風し風胴内の風をヒータに通して温風に変換し
て外部に吐出するようになされている。2. Description of the Related Art As shown in Japanese Patent Application Laid-Open No. 60-60452, an electric hot air blower used in an electric kotatsu is provided with a fan and a horizontally long heater inside a wind tunnel, and blows air taken in by the fan to blow the wind. The inside air is passed through a heater, converted into warm air, and discharged to the outside.
【０００３】また、前記ヒータは温風を広範囲に放出
し、且効率よく熱交換を行うために横長形状にして用い
ると共に風胴は先行技術の第２図に見られるように温風
の吐出口に対して偏った位置にファンの収納室を設けフ
ァンによる送風が円滑にヒータ側に流れるようにしてい
る。Further, the heater is used in a horizontally elongated shape to discharge warm air in a wide area and efficiently exchange heat, and a wind tunnel is provided at a discharge port of the warm air as shown in FIG. A fan storage chamber is provided at a position deviated from the fan, so that the air blown by the fan flows smoothly to the heater side.
【０００４】さらに、電気温風機では安全性の理由から
ヒータに直列に通常の使用温度よりも若干高い開放温度
の自動復帰型のリミッタと該リミッタの開放温度よりも
高い開放温度の温度ヒューズ（温度保安器）を設け、温
風の吐出口が瞬間的に塞がれた場合における温風機本体
内の温度上昇時にはリミッタが開放してヒータ回路を遮
断し、やがて本体内の温度が通常の使用温度まで低下す
ると閉成して再びヒータに通電するようにしている。ま
た、リミッタが故障して常時閉成状態になった場合には
本体内温度が異常温度に達するまでに温度ヒューズが開
放してヒータ回路を完全に遮断するようにしている。Further, in an electric hot air blower, for safety reasons, an automatic reset type limiter having an opening temperature slightly higher than a normal operating temperature in series with a heater and a temperature fuse having an opening temperature higher than the opening temperature of the limiter are used. Protector), the limiter opens and shuts off the heater circuit when the temperature inside the hot air blower rises when the outlet for hot air is momentarily blocked, and eventually the temperature inside the main body becomes the normal operating temperature. When the temperature is lowered, the heater is closed and the heater is energized again. Further, when the limiter fails and becomes normally closed, the temperature fuse is opened and the heater circuit is completely shut off until the temperature in the main body reaches the abnormal temperature.
【０００５】ところが、前述の様にファンの収納室を偏
って設けていることからヒータ側に向かう風はファンの
回転方向によって送風方向に沿った風胴の内壁を流れる
風量が多く風速も強くなる。反面、送風方向に近い風胴
の内壁と対向する風胴の内壁では風量が少なく風速も弱
くなる。このため、風量が多く風速の強い風が当たるヒ
ータの一側は十分に冷却されるため必要以上の温度上昇
が生じないが風量が少なく風速の弱い風が当たるヒータ
の他側は冷却されないために熱がこもり前述のヒータの
一側に比べて高温になる。However, as described above, since the fan accommodating chambers are provided in a deviated manner, the amount of wind flowing toward the heater increases along the inner wall of the wind tunnel along the blowing direction depending on the rotation direction of the fan, and the wind speed increases. . On the other hand, on the inner wall of the wind tunnel facing the inner wall of the wind tunnel near the blowing direction, the air volume is small and the wind speed is weak. For this reason, one side of the heater to which a large amount of air is blown by the wind with a high wind speed is sufficiently cooled, so that an unnecessary temperature rise does not occur, but the other side of the heater to which a small amount of air is blown and the wind with a weak wind speed is not cooled. The heat builds up and becomes higher than one side of the heater.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、前記リ
ミッタや温度ヒューズは風胴の内壁面の一部に設けた
り、一方をヒータ付近に設けているため温風の吐出口が
瞬間的に塞がれて一時的に本体内の温度上昇があった場
合に温度ヒューズが開放し、その後、本体内の温度が低
下しても再度使用できない欠点があった。However, since the limiter and the thermal fuse are provided on a part of the inner wall surface of the wind tunnel, or one of them is provided near the heater, the outlet of the warm air is instantly blocked. Therefore, when the temperature inside the main body is temporarily increased, the thermal fuse is opened, and thereafter, even if the temperature inside the main body is lowered, there is a disadvantage that it cannot be used again.
【０００７】本発明はリミッタと温度保安器を適切な位
置に配置して瞬間的な温度上昇時には確実にリミッタを
作動してその後の再使用を可能とし、連続した温度上昇
時には確実に温度保安器を作動して火災の危険を防止す
る。According to the present invention, a limiter and a temperature protector are arranged at appropriate positions to enable the limiter to be operated reliably in the event of an instantaneous temperature rise and to be reused thereafter. To prevent fire hazard.
【０００８】[0008]
【課題を解決するための手段】本発明の一つは、吸気口
と吐出口を設けたケース、該ケース内に配置固定し前記
吸気口と吐出口とを連通する風胴と、該風胴内の前記吸
気口側に設けたファンを回転駆動するモータと、前記吸
気口と吐出口との間に設けた横長のヒータと、該ヒータ
に直列接続した自動復帰型のリミッタと、該リミッタの
開放温度よりも高い開放温度に設定した非復帰型の温度
保安器とからなり、前記リミッタは前記ファンによる送
風方向に沿った風胴の内壁面に近いヒータの一側に設置
し、前記温度保安器は前記ファンによる送風方向に沿っ
た風胴の内壁面と対向する内壁面に近いヒータの他側に
設置したものである。According to one aspect of the present invention, there is provided a case having an intake port and a discharge port, a wind tunnel arranged and fixed in the case to communicate the intake port with the discharge port, A motor that rotationally drives a fan provided on the intake port side of the inside, a horizontally elongated heater provided between the intake port and the discharge port, an automatic return type limiter connected in series to the heater, A non-return type temperature protector set to an open temperature higher than an open temperature, wherein the limiter is installed on one side of a heater near an inner wall surface of a wind tunnel along a blowing direction of the fan, and The heater is installed on the other side of the heater near the inner wall surface facing the inner wall surface of the wind tunnel along the direction of air blowing by the fan.
【０００９】本発明のもう一つは、ヒータは合成樹脂製
のヒータケースに収納固定し、該ヒータケースの外側壁
にリミッタと温度保安器を取り付けたものである。Another aspect of the present invention is that the heater is housed and fixed in a synthetic resin heater case, and a limiter and a temperature protector are attached to an outer wall of the heater case.
【００１０】[0010]
【作用】リミッタはファンによる送風方向に沿った風胴
の内壁面に近いヒータの一側に設置したことにより、瞬
間的に温風の吐出口が塞がれた場合における温度上昇を
検出して開放して再使用を可能とし、また連続的な温度
上昇時には温度保安器が開放して完全にヒータ回路を遮
断し安全性を確保する。また、リミッタと温度保安器と
の接続を簡単にする。[Function] By installing the limiter on one side of the heater near the inner wall surface of the wind tunnel along the direction of air flow by the fan, the limiter detects the temperature rise when the outlet of the hot air is instantaneously blocked. It can be reused by opening it, and when the temperature rises continuously, the temperature protector opens and completely shuts off the heater circuit to ensure safety. Also, the connection between the limiter and the temperature protector is simplified.
【００１１】[0011]
【実施例】本発明の実施例を図面に基いて説明する。図
１は要部分解斜視図、図２は電気温風機の一部を切欠し
た全体の平面図、図３は電気回路図である。（１）は方
形の温風機本体て、同一面に吸気口（２）と吐出口
（３）を設けたケース（４）と該ケース内に配置固定し
た風胴（５）と該風胴内に設けたファン（６）及びその
回転を行うモータ（７）とヒータユニット（８）とから
構成している。An embodiment of the present invention will be described with reference to the drawings. 1 is an exploded perspective view of a main part, FIG. 2 is a plan view of the entire electric hot air blower with a part cut away, and FIG. 3 is an electric circuit diagram. (1) is a rectangular hot air blower main body, a case (4) having an intake port (2) and a discharge port (3) on the same surface, a wind tunnel (5) arranged and fixed in the case, and the inside of the wind tunnel. , A fan (6), a motor (7) for rotating the fan, and a heater unit (8).
【００１２】前記風胴（５）は図２の様に、ファン
（６）の収納部分を前記吸気口（２）に位置させ送出口
（８）を前記吐出口（３）に合致させており、ファン
（６）による送風方向（矢印）に近い内壁面（９）を吐
出口（３）に向って直線的に導き、前記内壁面（９）と
対向する内壁面（１０）はくびれ部（１１）を設けて吐
出口（３）に向って導いている。この様にくびれ部（１
１）を設けたりファン（６）の収納部分を偏位させる理
由は、従来から理論的に証明されており風の流れが円滑
で多くの風量を取り出すことができるためである。（１
２）は風胴（５）に一体形成され前記ファン（６）の外
側に位置して設けた保護リブである。As shown in FIG. 2, the wind tunnel (5) has a storage portion for the fan (6) positioned at the intake port (2) and an outlet (8) aligned with the discharge port (3). The inner wall surface (9) close to the direction of air flow (arrow) by the fan (6) is linearly guided toward the discharge port (3), and the inner wall surface (10) facing the inner wall surface (9) has a constricted portion ( 11) is provided and guided toward the discharge port (3). The constriction (1
The reason for providing 1) or displacing the storage portion of the fan (6) is that the flow of the wind is smooth and a large amount of air can be taken out, which has been theoretically proven conventionally. (1
2) protection ribs formed integrally with the wind tunnel (5) and provided outside the fan (6).
【００１３】前記ヒータユニット（８）は図１の様に、
正特性サーミスタよりなる横長のヒータ（１３）と該ヒ
ータより引き出した異極の電極（１４）、（１４）と前
記ヒータ（１３）を収納固定する合成樹脂製のヒータケ
ース（１５）とから構成している。The heater unit (8) is, as shown in FIG.
It comprises a horizontally elongated heater (13) made of a positive temperature coefficient thermistor, electrodes (14) and (14) of different polarity drawn out from the heater, and a synthetic resin heater case (15) for housing and fixing the heater (13). doing.
【００１４】（１６）は前記ヒータユニット（８）に合
致させ前記吐出口（３）に対向する放出口（１７）を形
成した吹出体である。(16) is a blow-off body which has a discharge port (17) which matches the heater unit (8) and is opposed to the discharge port (3).
【００１５】（１８）は前記ヒータケース（１５）の外
側壁に設置して取り付けた自動復帰型のリミッタで、そ
の取り付け位置を詳述すると、前記ファン（６）による
送風方向に沿った風胴（５）の前記内壁面（９）に近い
ヒータケース（１５）の上面の一側に取り付けている。
（１９）は前記リミッタ（１８）と同じくヒータケース
（１５）の外側に設置して取り付けた非復帰型の温度保
安器（以下温度ヒューズとする）で、前記リミッタ（１
８）の開放温度よりも約２０度程度高い開閉温度に設定
しており、その取り付け位置は前記ファン（６）による
送風方向に沿って風胴（５）の内壁面（９）と対向する
反対側の風胴（５）の内壁面（１０）に近いヒータケー
ス（１５）の上面の他側に取り付けている。(18) An automatic reset type limiter installed and mounted on the outer wall of the heater case (15). The mounting position thereof will be described in detail. It is attached to one side of the upper surface of the heater case (15) close to the inner wall surface (9) of (5).
(19) is a non-return type temperature protector (hereinafter referred to as a temperature fuse) installed and attached to the outside of the heater case (15) similarly to the limiter (18).
The opening and closing temperature is set to be about 20 degrees higher than the opening temperature of 8), and the mounting position is opposite to the inner wall surface (9) of the wind tunnel (5) along the direction of air blowing by the fan (6). It is attached to the other side of the upper surface of the heater case (15) close to the inner wall surface (10) of the side wind tunnel (5).
【００１６】すなわち、リミッタ（１８）と温度ヒュー
ズ（１９）はヒータケース（１５）の上面に該ヒータケ
ースの長手方向に沿って並設している。（２０）はシャ
ーシである。That is, the limiter (18) and the thermal fuse (19) are arranged on the upper surface of the heater case (15) along the longitudinal direction of the heater case. (20) is a chassis.
【００１７】次に図３に示す電気回路図を説明する。
（２１）は交流電源、（２２）は温風の切替スイッチ、
（２３）は前記ヒータ（１３）に直列接続したサーモス
タット、（２４）は温風と冷風の選択スイッチ、（２
５）は電源スイッチである。前記電源スイッチ（２５）
と選択スイッチ（２４）とサーモスタット（２３）とヒ
ータ（１３）と切替スイッチ（２２）とリミッタ（１
８）と温度ヒューズ（１９）は直列接続している。前記
切替スイッチ（２２）は温風を「強」に設定した場合に
はヒータ（１３）の両端に交流電源の全波を印加すると
共にモータ（７）を高回転とする。また、温風を「弱」
に設定した場合にはヒータ（１３）とダイオード（２
６）を直列接続して交流電源の半波を印加すると共にモ
ータ（７）を低回転とする。（２７）は電源ランプ、
（２８）は温風運転表示ランプ、（２９）は「強」設定
表示ランプである。Next, the electric circuit diagram shown in FIG. 3 will be described.
(21) is an AC power supply, (22) is a hot air switch,
(23) is a thermostat connected in series to the heater (13), (24) is a switch for selecting between hot air and cold air, and (2)
5) is a power switch. The power switch (25)
, Selection switch (24), thermostat (23), heater (13), changeover switch (22), and limiter (1).
8) and the thermal fuse (19) are connected in series. When the hot air is set to "strong", the changeover switch (22) applies a full-wave of an AC power supply to both ends of the heater (13) and makes the motor (7) rotate at high speed. In addition, warm air is "weak"
Is set to heater (13) and diode (2)
6) are connected in series to apply a half-wave of an AC power supply and to reduce the rotation of the motor (7). (27) is a power lamp,
(28) is a warm air operation display lamp, and (29) is a "strong" setting display lamp.
【００１８】斯して、例えば切替スイッチ（２２）を
「強」位置に設定し選択スイッチ（２４）を閉成して電
源スイッチ（２５）を閉成すると、モータ（７）によっ
てファン（６）が図２の矢印方向に回転し吸気口（２）
より空気を吸い込んで風胴（５）の内壁面（９）を沿っ
て送出口（８）に向けて送出するわけであるが、風はそ
の多くが内壁面（９）に沿って流れヒータ（１３）の図
２に示す左側部分に流れ該ヒータを冷却すると共に温風
に変換して吹出体（１６）内に流入し放出口（１７）を
介して吐出口（３）より外部に放出する。Thus, for example, when the changeover switch (22) is set to the "strong" position, the selection switch (24) is closed and the power switch (25) is closed, the fan (6) is driven by the motor (7). Rotates in the direction of the arrow in FIG.
More air is sucked in and sent out along the inner wall surface (9) of the wind tunnel (5) toward the outlet (8), but most of the wind flows along the inner wall surface (9) and the heater ( 13) flows to the left side portion shown in FIG. 2 and cools the heater, converts it into warm air, flows into the blowing body (16), and discharges it from the discharge port (3) through the discharge port (17) to the outside. .
【００１９】一方ファン（６）による一部の風は前記内
壁面（９）と対向する内壁面（１０）側にも流れてヒー
タ（１３）の図２に示す右側部分に流れるが、この風は
風速も弱く風量も少ないためにヒータ（１３）の右側部
分を十分に冷却することができず左側部分に比べて温度
が高い状態で安定する。On the other hand, part of the wind generated by the fan (6) also flows to the inner wall surface (10) facing the inner wall surface (9) and flows to the right side portion of the heater (13) shown in FIG. Since the wind speed is low and the air volume is small, the right portion of the heater (13) cannot be sufficiently cooled and the heater (13) is stabilized at a higher temperature than the left portion.
【００２０】斯して、吐出口（３）が採暖者のヒザによ
って瞬間的に塞がれた場合にはヒータ（１３）の全長に
互って温度が上昇するものの右側部分はともとも開放温
度の高い温度ヒューズ（１９）を設置しているため該温
度ヒューズが開放することはないが、左側部分の温度上
昇によって開放温度の低いリミッタ（１８）が作動しヒ
ータ回路を遮断する。その後、ヒータ回路の遮断によっ
てヒータ（１３）の温度が急激に低下しリミッタ（１
８）が閉成するとヒータ（１３）に通電して運転を再開
する。Thus, when the discharge port (3) is instantaneously closed by the knee of the warmer, the temperature rises along the entire length of the heater (13), but the right side is the open temperature. Since the high temperature fuse (19) is installed, the temperature fuse does not open, but the rise in the temperature on the left side activates the limiter (18) having a low open temperature to cut off the heater circuit. Thereafter, the temperature of the heater (13) drops rapidly due to the interruption of the heater circuit, and the limiter (1) is turned off.
When 8) is closed, the heater (13) is energized to restart the operation.
【００２１】もし、リミッタ（１８）の接点（図示せ
ず）が溶着等によって連続して閉成状態を保持した場合
において、吐出口（３）や吸気口（２）が連続して塞が
れた時はヒータ（１３）の右側部分の温度がさらに上昇
するため、危険温度となる以前に温度ヒューズ（１９）
が開放しヒータ回路を完全に遮断する。If the contacts (not shown) of the limiter (18) are continuously closed by welding or the like, the discharge port (3) and the intake port (2) are continuously closed. When the temperature rises, the temperature of the right side of the heater (13) further rises.
Opens to completely shut off the heater circuit.
【００２２】尚、本発明はヒータとしてサーミスタを用
いたが一般のニクロム線を用いたコイル状ヒータを横長
に張架したものであっても同様である。Although the present invention uses a thermistor as the heater, the same applies to a case where a coiled heater using a general nichrome wire is stretched horizontally.
【００２３】[0023]
【発明の効果】以上の様に本発明は、リミッタと該リミ
ッタの開閉温度よりも高い温度保安器を適切な位置に配
置したため、瞬間的な温度上昇時に温度保安器が作動し
て再使用ができないといった欠点がなくなると共に連続
した温度上昇時には確実に温度保安器を作動して火災の
危険を防止することができる。As described above, according to the present invention, the limiter and the temperature protector which is higher than the opening / closing temperature of the limiter are arranged at appropriate positions. It is possible to eliminate the drawbacks of being unable to operate and to reliably operate the temperature protector when the temperature continuously rises, thereby preventing the danger of fire.
【００２４】また、ヒータケースの外側壁にリミッタと
温度保安器を取り付けたため、リミッタと温度保安器と
の接続が簡単となる。Further, since the limiter and the temperature protector are mounted on the outer wall of the heater case, the connection between the limiter and the temperature protector is simplified.
【図１】本発明の電気温風機の要部分解斜視図である。FIG. 1 is an exploded perspective view of a main part of an electric warm air blower of the present invention.
【図２】同じく電気温風機の一部を切欠いた全体の平面
図である。FIG. 2 is an overall plan view of the electric hot air blower with a part thereof cut away.
【図３】同じく電気回路図である。FIG. 3 is an electric circuit diagram.
１ 温風機本体 ２ 吸気口 ３ 吐出口 ４ ケース ５ 風胴 ６ ファン ７ モータ ９ 内壁面 １０ 内壁面 １３ ヒータ １５ ヒータケース １８ リミッタ １９ 温度保安器 DESCRIPTION OF SYMBOLS 1 Main body of hot-air heater 2 Inlet 3 Outlet 4 Case 5 Wind tunnel 6 Fan 7 Motor 9 Inner wall surface 10 Inner wall surface 13 Heater 15 Heater case 18 Limiter 19 Temperature protector
───────────────────────────────────────────────────── フロントページの続き (72)発明者 山根 安正 鳥取県鳥取市南吉方３丁目201番地 鳥 取三洋電機株式会社内 (72)発明者 山田 哲 鳥取県鳥取市南吉方３丁目201番地 鳥 取三洋電機株式会社内 (72)発明者 森本 哲司 鳥取県鳥取市南吉方３丁目201番地 鳥 取三洋電機株式会社内 (56)参考文献 実開 平４−68965（ＪＰ，Ｕ) 実開 昭56−38258（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.6，ＤＢ名) F24H 9/20 F24H 3/04 302 - 305────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Yasumasa Yamane 3-201 Minamiyoshikata, Tottori City, Tottori Prefecture Tottori Sanyo Electric Co., Ltd. (72) Inventor Satoshi Yamada 3-201 Minamiyoshikata, Tottori City, Tottori Prefecture Tottori Inside Sanyo Electric Co., Ltd. (72) Inventor Tetsuji Morimoto 3-201 Minamiyoshikata, Tottori City, Tottori Pref. Inside Tottori Sanyo Electric Co., Ltd. (56) References JP-U 4-68965 (JP, U) JP-A 56- 38258 (JP, U) (58) Field surveyed (Int. Cl. 6 , DB name) F24H 9/20 F24H 3/04 302-305
Claims (2)
ス内に配置固定し前記吸気口と吐出口とを連通する風胴
と、該風胴内の前記吸気口側に設けたファンを回転駆動
するモータと、前記吸気口と吐出口との間に設けた横長
のヒータと、該ヒータに直列接続した自動復帰型のリミ
ッタと、該リミッタの開放温度よりも高い開放温度に設
定した非復帰型の温度保安器とからなり、前記リミッタ
は前記ファンによる送風方向に沿った風胴の内壁面に近
いヒータの一側に設置し、前記温度保安器は前記ファン
による送風方向に沿った風胴の内壁面と対向する内壁面
に近いヒータの他側に設置したことを特徴とする電気温
風機。1. A case provided with an intake port and a discharge port, a wind tunnel arranged and fixed in the case and communicating the intake port and the discharge port, and a fan provided on the intake port side in the wind tunnel. A rotating motor, a horizontally elongated heater provided between the suction port and the discharge port, an automatic return type limiter connected in series to the heater, and a non-setting heater set to an opening temperature higher than the opening temperature of the limiter. A return-type temperature protector, wherein the limiter is installed on one side of a heater close to an inner wall surface of a wind tunnel along the direction of air blowing by the fan, and the temperature protector is configured to wind the air along the direction of air blowing by the fan. An electric warm air blower installed on the other side of the heater close to an inner wall surface facing the inner wall surface of the body.
スに収納固定し、該ヒータケースの外側壁に前記リミッ
タと温度保安器を取り付けたことを特徴とする請求項１
に記載の電気温風機。2. The heater according to claim 1, wherein the heater is housed and fixed in a synthetic resin heater case, and the limiter and the temperature protector are attached to an outer wall of the heater case.
An electric hot air blower as described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4181051A JP2846767B2 (en) | 1992-07-08 | 1992-07-08 | Electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4181051A JP2846767B2 (en) | 1992-07-08 | 1992-07-08 | Electric heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0626708A JPH0626708A (en) | 1994-02-04 |
| JP2846767B2 true JP2846767B2 (en) | 1999-01-13 |
Family
ID=16093921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4181051A Expired - Fee Related JP2846767B2 (en) | 1992-07-08 | 1992-07-08 | Electric heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2846767B2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0468965U (en) * | 1990-10-20 | 1992-06-18 |
-
1992
- 1992-07-08 JP JP4181051A patent/JP2846767B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0626708A (en) | 1994-02-04 |
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