JPH06213386A - 電気融着式プラスチック管継手 - Google Patents
電気融着式プラスチック管継手Info
- Publication number
- JPH06213386A JPH06213386A JP3317886A JP31788691A JPH06213386A JP H06213386 A JPH06213386 A JP H06213386A JP 3317886 A JP3317886 A JP 3317886A JP 31788691 A JP31788691 A JP 31788691A JP H06213386 A JPH06213386 A JP H06213386A
- Authority
- JP
- Japan
- Prior art keywords
- plastic pipe
- pipe fitting
- embedded
- heat
- injection molding
- 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.)
- Granted
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
- B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
- B29C65/3404—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint
- B29C65/342—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint comprising at least a single wire, e.g. in the form of a winding
-
- 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
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
- B29C65/3404—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint
- B29C65/342—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint comprising at least a single wire, e.g. in the form of a winding
- B29C65/3432—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint comprising at least a single wire, e.g. in the form of a winding comprising several wires, e.g. in the form of several independent windings
-
- 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
- B29C65/72—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by combined operations or combined techniques, e.g. welding and stitching
-
- 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
- B29C66/01—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
- B29C66/114—Single butt joints
- B29C66/1142—Single butt to butt 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
- B29C66/01—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
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
- B29C66/1222—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a lapped joint-segment
-
- 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
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
- B29C66/1224—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a butt joint-segment
-
- 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
- B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
-
- 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
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5229—Joining tubular articles involving the use of a socket
- B29C66/52291—Joining tubular articles involving the use of a socket said socket comprising a stop
- B29C66/52292—Joining tubular articles involving the use of a socket said socket comprising a stop said stop being internal
-
- 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
- B29C66/52298—Joining tubular articles involving the use of a socket said socket being composed by several elements
-
- 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
- B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
- B29C65/3468—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the means for supplying heat to said heated elements which remain in the join, e.g. special electrical connectors of windings
-
- 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
- B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
- B29C65/3472—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint
- B29C65/3476—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint being metallic
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
ボ、チーズ等の形状が大きな管継手であっても大きな射
出成型機を必要とせずに成形が可能で、また接続に当た
って容量の大きなコントローラを用いなくとも融着接続
でき、更に接続口径に応じた適正な電力で融着接続でき
るプラスチック管継手を提供するものである。 【構成】接続プラスチック管を内挿する筒状の内周側に
電熱線を埋設し該電熱線の両端は外面に突出するコネク
ターピンに連結した熱可塑性プラスチック材料よりなる
接続部材を複数個設け、前記接続部材の各々の端部を熱
融着接合し一体化したことを特徴とするプラスチック管
継手である。
Description
された図3に示す電気融着式プラスチック管継手があ
る。このものは継手本体Aの内周側一端から他端に亘っ
て電熱線2を埋設し、電熱線2の両端は本体Aの両端に
設けたコネクターピン6と連結したものである。
射出成型して形成する。また接続に当たっては本体Aの
両端内面にプラスチック管P,Pを挿入し、コントロー
ラよりコネクターピン6にほぼ一定の出力電圧を通電し
て電熱線2を発熱させ、挿入したプラスチック管P,P
を同時に融着接続するものである。
ク管継手は、接続する継手本体Aの口径が大きくなると
継手本体の成形に大きな金型と大きな射出容量の射出成
型機が必要となり、成型作業も本体プラスチックの熱容
量との関係から成型時間が長くなり、困難を伴う。
ても、継手本体Aの両側に挿入した管P,Pを同時に融
着接続するため、発熱面積が大きくなり、電熱線2に通
電するコントローラの電力容量も大きなものが必要であ
る。すなわちコントローラの電力容量Wは電流I*電圧
Eであり、電熱線に与える電気エネルギーJは電流I*
電圧E*時間Tであるが、電熱線に通電する時間Tが大
きすぎてもまた小さすぎても適正な管との接続状態が得
られず、適正な接続状態を得るためには、継手本体Aと
プラスチック管Pとの熱伝達の関係からある適正な通電
時間Tがある。
エネルギーJに応じて大きなものが必要である。さらに
接続口の口径が異なる管継手の異径品では、両側に挿入
した管とを同時に接続するため、継手本体の大口径側の
電気エネルギーが不足したりあるいは小口径側の電気エ
ネルギーが過大になったりして両側の管共適正な接続状
態で接続するのが困難であった。
の口径が大きい管継手であっても大きな射出成型機を必
要とせずに成形が可能で、また接続に当たって容量の大
きなコントローラを用いなくとも融着接続でき、更に接
続口径に応じた適正な電力で融着接続できるプラスチッ
ク管継手を提供するものである。
ック管を内挿する筒状の内周側に電熱線を埋設し該電熱
線の両端は外面に突出するコネクターピンに連結した熱
可塑性プラスチック材料よりなる接続部材を複数個設
け、前記接続部材の各々の少なくとも1つの端部を熱融
着接合して一体化したことを特徴とするプラスチック管
継手である。
たは金型内に射出する溶融樹脂と接続部材間で熱融着接
合して一体化し、管継手を形成したものであるため、特
に大口径の管継手であっても射出容量の大きな射出成型
機や金型を用いなくても製作が容易に出来、また製作時
の成形作業が容易に行える。またプラスチック管との接
続作業においても、管継手の接続口毎に通電して接続作
業が行えるため大容量のコントローラを用意しなくとも
接続でき、更に口径に応じた電力を通電して適正な接続
状態が得られる。
る。図1において10、11は夫々別々に成型して得た
接続部材を示し、この接続部10、11は接続すべきプ
ラスチック管50、51を挿入できる内径を有し、筒状
で内周側に電熱線12を螺旋状に埋設してある。接続部
材10、11の両端には外面側に突出するコネクターピ
ン13、14が夫々埋設してあり、このコネクターピン
13、14に電熱線12の両端を接続してある。この接
続部材10、11は通常、熱可塑性プラスチック材料を
射出成型機によって金型内に射出して成形する。
夫々の端面15、16を熱板20に当てる。熱板20は
ヒータ21を内装しているので端面15、16は加熱さ
れて溶融される。溶融状態に達したら熱板20を外し、
素早く夫々の端面15、16同士を互いに押し当てる。
端面は互いに溶融状態のため両接続部材10、11は熱
融着接合して一体化する。以上のようにして図2に示す
ごとくのソケット形の電気融着式プラスチック管継手が
形成される。熱融着接合部には内面側と外面側に融着時
のビード17、18が突き出るが、内面側のビード17
は管継手にプラスチック管50、51を挿入したときの
ストッパーの役目をする。
手本体の一端側にプラスチック管51を挿入した後、コ
ントローラ3をコネクターピン13、14に実線で示す
ごとく接続して電熱線12に通電する。電熱線12はプ
ラスチック管51の挿入側継手本体の片側で一系統のた
め、発熱面積は両側同時に発熱させるものに比べて半分
のため、コントローラの電力容量も約半分のもので行
え、また管51の口径や接続条件に応じた適正な融着接
続が行える。
ラスチック管継手は、接続部材を熱融着接合して一体化
したものであるため、射出容量の大きな射出成形機を必
要とせず、またプラスチック管との接続作業に際しても
電力容量の小さなコントローラで大口径のプラスチック
管と接続することができる。更に口径に応じた電気エネ
ルギーでプラスチック管との適正な接続状態の融着接続
が行える。
態を示す断面図。 図2 実施例のプラスチック管を接続する際の状態を示
す部分断面図。 図3 別の実施例を示すプラスチック管継手の部分断面
図。 図4 従来技術を示すプラスチック管継手の断面図。
状態を示す断面図。
示す部分断面図。
Claims (1)
- 【請求項1】 接続プラスチック管を内挿する筒状の内
周側に電熱線を埋設し該電熱線の両端は外面に突出する
コネクターピンに連結した熱可塑性プラスチック材料よ
りなる接続部材を複数個設け、前記接続部材の各々の少
なくとも1つの端部を加熱した後互いに圧着して熱融着
接合し一体化したことを特徴とするプラスチック管継
手。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3317886A JP2721449B2 (ja) | 1991-12-02 | 1991-12-02 | 電気融着式プラスチック管継手 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3317886A JP2721449B2 (ja) | 1991-12-02 | 1991-12-02 | 電気融着式プラスチック管継手 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH06213386A true JPH06213386A (ja) | 1994-08-02 |
JP2721449B2 JP2721449B2 (ja) | 1998-03-04 |
Family
ID=18093154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP3317886A Expired - Fee Related JP2721449B2 (ja) | 1991-12-02 | 1991-12-02 | 電気融着式プラスチック管継手 |
Country Status (1)
Country | Link |
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JP (1) | JP2721449B2 (ja) |
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1991
- 1991-12-02 JP JP3317886A patent/JP2721449B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2721449B2 (ja) | 1998-03-04 |
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