JPH0453936Y2 - - Google Patents

Info

Publication number
JPH0453936Y2
JPH0453936Y2 JP18851186U JP18851186U JPH0453936Y2 JP H0453936 Y2 JPH0453936 Y2 JP H0453936Y2 JP 18851186 U JP18851186 U JP 18851186U JP 18851186 U JP18851186 U JP 18851186U JP H0453936 Y2 JPH0453936 Y2 JP H0453936Y2
Authority
JP
Japan
Prior art keywords
pipe
feed screw
screw shaft
socket
heater
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
Application number
JP18851186U
Other languages
English (en)
Other versions
JPS6392726U (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP18851186U priority Critical patent/JPH0453936Y2/ja
Publication of JPS6392726U publication Critical patent/JPS6392726U/ja
Application granted granted Critical
Publication of JPH0453936Y2 publication Critical patent/JPH0453936Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7841—Holding or clamping means for handling purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5229—Joining tubular articles involving the use of a socket
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5344—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially annular, i.e. of finite length, e.g. joining flanges to tube ends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8223—Worm or spindle mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/861—Hand-held tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91231—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature of the joining tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91421—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the joining tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91431—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature the temperature being kept constant over time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/96—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process
    • B29C66/961—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving a feedback loop mechanism, e.g. comparison with a desired value
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

【考案の詳細な説明】 〔産業上の利用分野〕 本考案は樹脂管（例．ポリエチレンパイプある
いはプラスチツクパイプ）どうしを突合せ融着す
る、あるいはソケツト、チーズ、エルボ等の樹脂
製（例．ポリエチレン）の管継手を樹脂管に融着
するパイプ融着機に関する。
近年、ガス管として従来の金属管に代えてポリ
エチレン等の樹脂管が多用されるようになつてき
ている。そして斯かる樹脂管どうしの接続には樹
脂管どうしを直接、あるいはソケツト、エルボ、
チーズ、サドル等の樹脂製の管継手を介して加熱
融着により行われる。即ち、例えば管どうしを突
合せ融着する場合には、両管の接合面をヒータで
加熱溶融し、その加熱溶融面どうしを所定圧力で
圧着する方法がとられている。こうして圧着され
た一対の管は一定時間放冷後に完全に一体化結合
される。
斯かるパイプ融着機はその用途に応じて、バツ
ト融着機（パイプどうしの突合せ接合）、サドル
融着機（サドルとパイプとの接合）、ソケツト融
着機（ソケツトとパイプとの接合）等と称される
が本考案はこのような融着機全般に適用し得るも
のであるが、以下では便宜上ソケツト融着機を例
にとつて説明する。
〔従来の技術〕
かかる融着機において融着されるべきパイプと
ソケツトとは平行案内棒に沿つて相対的に接近、
離反可能な一対のバイスによつて保持され、この
バイスの一方を案内棒に沿つて動かすための作動
機構は送りねじ軸機構が採用されている。そして
送りねじ軸を回転作動させるためのモータが融着
機本体に組み込まれている。
〔考案が解決しようとする問題点〕
しかるに上記の如くモータを融着機本体に内蔵
しているために機械本体が大型かつ重くなりがち
である。
本考案の目的は送りねじ軸の作動駆動源として
外部の市販の電動ドリルを利用するという着想の
もとに融着機本体からモータを除去し、小型、軽
量で持ち運び可能なパイプ融着機を提供すること
である。
〔問題点を解決するための手段〕
上記目的を達成するために本考案によれば、送
りねじ軸式作動機構には外部の電動ドリルのチヤ
ツクのあご部に挿着可能な回転駆動軸が設けられ
る。
〔作用〕
作業時に上記回転駆動軸を適当な市販の電動ド
リルのチヤツクのあご部（くわえ部）に差し込み
固定することにより送りねじ軸が回転作動せしめ
られる。
〔実施例〕
以下、添付図面を参照してソケツト融着機の場
合を例にとり本考案を詳細に説明する。
第１〜５図は都市ガス用導管としてのポリエチ
レン管Ｐの端面にソケツトＳを融着接合するソケ
ツト融着機全体の概要を示し、図において２は接
合すべき一方の管Ｐを挾持するクランプ（バイ
ス）、３はソケツトＳを挾持するクランプ（バイ
ス）で、クランプ２，３は枢軸ピン４を介して枢
動可能な二つ割り式に拡開可能なリング体２ａ，
２ｂ；３ａ，３ｂにより形成される。二つ割リン
グ体２ａ，２ｂ；３ａ，３ｂで管Ｐ、ソケツトＳ
を挾み、二つ割りリングの一方２ｂ，３ｂに設け
た枢動アーム６に取り付けた締付けボルト７を上
方リング体２ａ，３ａの肩部１４上に締め付ける
ことにより管Ｐ、ソケツトＳをクランプする。
尚、クランプリング体２ａ，３ａは第５図におい
てボルト７を緩めて反時計方向に回すことにより
枢動ピン４を中心として開放することができる。
クランプ２，３のうち一方のクランプ２は不動
であり、他方のクランプ３はその下部ブロツク８
が一対の平行案内棒１０，１０に沿つてスライド
自在に取付けられる。即ち、クランプ３はクラン
プ２に向つて接近・離反する往復台を構成する。
案内棒１０，１０の一端はクランプ２、他端は本
体１に設けたブラケツト１１に夫々固定される。
クランプ３を軸線方向に動かすためのアクチユエ
ータとして送りねじ軸１２が設けられる。送りね
じ軸１２はその一端１２ａが固定クランプ２の下
方に設けられる軸受部１３に回転可能に軸支さ
れ、他端１２ｂは本体１に設けた軸受部１５に回
転自在に軸支される。送りねじ軸１２の端部１２
ｂの外端部には歯車１７が固設される。この歯車
１７は本体１内に設けられる軸２０に回転自在に
軸支される中間歯車１９を介して歯車２１に連結
される。歯車２１は軸２２に軸支され、その一端
は本体１の外部に突出し本考案の特徴である回転
駆動軸２２を構成する。
この回転駆動軸２２は市販の電動ドリル５０の
チヤツク５１のあご部（くわえ部）５３内に挿
入、固定可能となつている。従つて電動ドリル５
０により回転駆動軸２２を回転させることにより
歯車２１，１９，１７を介して送りねじ軸１２を
回転させることができる。クランプ３の下方リン
グ体３ｂに一体的なブロツク８にはねじ軸１２が
螺合するねじ孔９が形成され、従つてブロツク８
は送りねじ軸１２に対するナツト部材を形成す
る。つまり、送りねじ軸１２が回転することによ
りクランプ３を案内棒１０，１０に沿つて前後動
することができる。
クランプ２，３の頂部に設けられるピン３１に
はこれに嵌合するピン孔３３を有するアーム３５
を有するヒータ３０が取り外し自在にとり付けら
れる。
ヒータ３０の本体３７には例えばパイプＰ用の
ヒータフエース３９とソケツトＳ用のヒータフエ
ース３８が設けられ、これらヒータフエース３
９，３８にパイプＰ、ソケツトＳが押し付けられ
加熱される。ヒータは例えば内部にヒータ線を有
する通常の電気ヒータであり、好ましくはその表
面に抵抗温度計あるいは熱電温度計等の温度セン
サ（図示せず）が設けられヒータの温度を所定値
に制御する。
ヒータ３０によりパイプＰとソケツトＳの端面
を所定時間加熱したら、ヒータを素早く取り外
し、パイプＰとソケツトＳの融着端面どうしを圧
着することにより融着が完了する。
送りねじ軸１２はパイプＰ及びソケツトＳをヒ
ータ３０のヒータフエース３９，３８に圧接する
とき、及びパイプＰとソケツトＳとを融着すると
きに作動せしめられ必要な軸方向の圧着力を与え
る。歯車列１７，１９，２１はその歯数比を適当
に選定することにより減速装置あるいは増速装置
として役立つ。
〔考案の効果〕
以上に記載した如く本考案によれば融着機本体
には送りねじ軸の回転駆動軸を突出させるだけで
よく、その回転駆動源としては外部の電動ドリル
を利用することにろい融着機本体内にはモータ等
の回転駆動源を設ける必要はなく、その構成が簡
素化、小型化、軽量化される。
【図面の簡単な説明】
第１図は本考案に係るパイプ融着機の長手中心
断面図、第２図は第１図の正面図、第３図は第２
図の平面図、第３図はヒータの側面図、第４図は
第１図の−線断面図、第５図は第２図の左端
面図。 １……本台、２，３……バイス、１０……案内
棒、１２……送りねじ軸、２２……回転駆動軸、
５０……電動ドリル。

Claims (1)

    【実用新案登録請求の範囲】
  1. 平行案内棒に沿つて相対的に接近・離反可能な
    一対のバイス装置と、該バイス装置を相対的に接
    近・離反せしめる送りねじ軸式作動機構とを有す
    るパイプ融着機であつて、上記作動機構は外部の
    電動ドリルのチヤツクのあご部に挿着可能な回転
    駆動軸を有することを特徴とするパイプ融着機。
JP18851186U 1986-12-09 1986-12-09 Expired JPH0453936Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18851186U JPH0453936Y2 (ja) 1986-12-09 1986-12-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18851186U JPH0453936Y2 (ja) 1986-12-09 1986-12-09

Publications (2)

Publication Number Publication Date
JPS6392726U JPS6392726U (ja) 1988-06-15
JPH0453936Y2 true JPH0453936Y2 (ja) 1992-12-18

Family

ID=31139948

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18851186U Expired JPH0453936Y2 (ja) 1986-12-09 1986-12-09

Country Status (1)

Country Link
JP (1) JPH0453936Y2 (ja)

Also Published As

Publication number Publication date
JPS6392726U (ja) 1988-06-15

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