JPS60198227A - 節付熱可塑性樹脂管の製造方法 - Google Patents

節付熱可塑性樹脂管の製造方法

Info

Publication number
JPS60198227A
JPS60198227A JP59055474A JP5547484A JPS60198227A JP S60198227 A JPS60198227 A JP S60198227A JP 59055474 A JP59055474 A JP 59055474A JP 5547484 A JP5547484 A JP 5547484A JP S60198227 A JPS60198227 A JP S60198227A
Authority
JP
Japan
Prior art keywords
thermoplastic resin
resin pipe
node
ring shaped
holders
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.)
Pending
Application number
JP59055474A
Other languages
English (en)
Inventor
Shoichi Kimura
木村　正一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sekisui Chemical Co Ltd
Original Assignee
Sekisui Chemical Co Ltd
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 by Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Priority to JP59055474A priority Critical patent/JPS60198227A/ja
Publication of JPS60198227A publication Critical patent/JPS60198227A/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00—Producing tubular articles
    • B29D23/001—Pipes; Pipe 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
    • 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
    • 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
    • B29C65/022—Particular heating or welding methods not otherwise provided for
    • B29C65/028—Particular heating or welding methods not otherwise provided for making use of inherent heat, i.e. the heat for the joining comes from the moulding process of one of the parts to be joined
    • 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
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
    • B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
    • B29C66/2422—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical
    • B29C66/24221—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical being circular
    • 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
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • B29C66/5324—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length
    • B29C66/53241—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being tubular and said substantially annular single elements being of finite length relative to the infinite length of said tubular articles
    • 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
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool reciprocating along one axis
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/0014—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for shaping tubes or blown tubular films
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • 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)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 （発明の技術分野） 本発明は、部付熱可塑性樹脂管の製造方法に関する。
（従来技術） 従来から物干、垣根等に使用される模造性として、例え
ば特公昭５４−１７４７号公報に記載されているように
、金属材の長尺管体の表面に溶融樹脂を被覆し、次いで
その外周に節を成形用金型を使用して成形し一体化する
ことが行なわれている。
しかしながら上記の方法によれば、金属製長尺管体を使
用するために鋸等での切断がしにくく、又、被覆された
熱可塑性樹脂を溶融状態に保持しなければ、節との一体
化が充分に得られない。
更に節は成形用金型によって成形されるものであるため
、間歇的に形成される節の形が一定であって飾模様の変
化に乏しい欠点があった。
（発明の目的） 本発明は上記欠点を解消することを目的としてなされた
ものであり、全体が熱可塑性樹脂で形成されるので、金
属製の長尺管体を使用する必要がなく、鋸等を用いた切
断が容易であり、又、節の形は種々変化させることが可
能である、部付熱可塑性樹脂管の製造方法を提供するこ
とを目的とする。
（発明の要旨） 本発明の要旨は、押出機の成形用型から熱可塑性樹脂管
を押出成形し、前記成形用型の前方に設置され分割、閉
合可能な２個の節構成材保持器の夫々に熱可塑性樹脂よ
りなる半環状の節構成材を保持しておき、前記保持器が
分割された状態で保持器間に前記熱可塑性樹脂管を導き
、保持器を閉合して熱可塑性樹脂管の外周面に前記節構
成材を当接させると共に節構成材の端部同志を当接させ
て環状節となし、この環状節を前記熱可塑性樹脂管の外
周に溶着させることを特徴とする節付熱呵塑性樹脂管の
製造方法に存する。
（発明の構成） 次に禾発明節付熱可塑性樹脂管の製造方法について更に
詳細に説明する。
１は成形用型であり、押出機（図示せず）で溶融された
熱可塑性樹脂は成形用型ｌにより管状に押出成形される
。
熱可塑性樹脂としては、ポリオレフィン樹脂、塩化ビニ
ル樹脂、ＡＢＳ樹脂、ポリアミド樹脂等が使用される。
成形用型ｌと若干の間隔をおいて押出方向の前方には節
Ｍ４成材保持器３，３が設置される。
この保持器３．３は、油圧機構等により分割及び閉合が
可能とされており、分割面の中間部に夫々半環状の溝４
，４が形成される。
この湾４．４には半環状の節構成材５．５が嵌挿されて
保持されている。
節構成材５．５は外面形状が自然竹の節感を呈するもの
とされており、熱可塑性樹脂管２との溶着が可能な熱可
塑性樹脂の射出成形等により別途成形されている。
節構成材５，５は保持器３，３が併合された際に夫々の
端部７，７同志が当接して熱可塑性樹脂管２の外径と略
同径の環状体からなる環状節８を構成する。
保持器３，３が分割された状態で保持器３，３間に熱可
塑性樹脂管２を導く。
次いで、保持器３．３を閉合して熱可塑性樹脂管２の外
周面に節構成材５，５を当接させる。
節構成材５．５は保持器３，３に連結された溶着機６，
６により熱可塑性樹脂管２との接融部分が加熱溶融して
溶着される。
溶着機６，６は超音波加熱、高周波加熱等により熱可塑
性樹脂管２との接融面となる部分を選択的に加熱できる
ものとされており、これにより節構成材５，５はその形
状を崩すことなく熱可塑性樹脂管２の表面に容易に溶着
され環状節８が一体的に形成される。
節構成材５，５を溶着機６，６により選択的に加熱し溶
融状ＩＥとするために加熱時間が必要となるが、その間
も熱可塑性樹脂管２が成形用型１から押出成形されてく
るので、押出速度と同じ速さで保持器３，３を押出方向
に移動させ、移動時間内に節構成材５，５を熱可塑性樹
脂管２に溶着させ、環状節８を一体に形成する。保持器
３，３を分割し、環状節８を溶着状態から固化させる。
次いで、保持器３．３を元の位置に戻し、再び節構成材
５，５を溶着機６，６の溝４，４に嵌挿し、以後同様に
して環状節８を間歇的に熱Ｅｉｆ塑性樹脂管２の外面に
一体的に形成する。
熱可塑性樹脂管２は次いで引取装置により引取られ切断
器に送り込まれ、切断装置により一定長に切断され所望
の部付熱可塑性樹脂管が得られる。
（発明の効果） 本発明方法によれば、熱可塑性樹脂管２の外周面に熱可
塑性樹脂環状節８が一体に形成された部付熱可塑性樹脂
管を得ることができる。
そして、従来のように金属製管体を使用する必要がない
ので、使用現場において鋸等で容易に切断することがで
きる。
又、節構成材５．５を種々外面形状の異なるものとして
おけば、環状節８の形に自然竹に似た変化を与えること
ができる。
【図面の簡単な説明】
図面は本発明部付熱可塑性樹脂管の製造方法の一例を示
し、８１図は分割された保持器に節構成材を保持させた
状態での断面図、第２図は同上の正面図、第３図は保持
器を閉合し熱可塑性樹脂管の外周面に節構成材を当接さ
せた状態での断面図、第４図は同上の正面図、第５図は
環状節を形成後、保持器を分割した状態での断面図、第
６図は同上の正面図である。 １・・・成形用型 ２・・・熱可塑性樹脂管 ３．３・・・節構成材保持器 ４．４・・・溝 ５．５・・・節構成材 ６．６・・・溶着機 ７．７・・・端部 ８・・・環状節 特　許　出　即　人 積水化学工業株式会社 代表者　藤招　暴利 第１図　第２図 上 マ計 Ｏ 綜 区 ｑフ

Claims (1)

    【特許請求の範囲】
  1. ｌ）押出機の成形用型から熱可塑性樹脂管を押出成形し
    、前記成形用型の前方に設置され分割、閉会可能な２個
    の節構成材保持器の夫々に熱可塑性樹脂よりなる半環状
    の節構成材を保持しておき、前記保持器が分割された状
    態で保持器間に前記熱可塑性樹脂管を導き、保持器を閉
    合して熱可塑性樹脂管の外周面に前記節構成材を当接さ
    せると共に、節構成材の端部同志を当接させて環状節と
    なし、この環状節を前記熱可塑性樹脂管の外周に溶着さ
    せることを特徴とする部付熱可塑性樹脂管の製造方法。
JP59055474A 1984-03-22 1984-03-22 節付熱可塑性樹脂管の製造方法 Pending JPS60198227A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59055474A JPS60198227A (ja) 1984-03-22 1984-03-22 節付熱可塑性樹脂管の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59055474A JPS60198227A (ja) 1984-03-22 1984-03-22 節付熱可塑性樹脂管の製造方法

Publications (1)

Publication Number Publication Date
JPS60198227A true JPS60198227A (ja) 1985-10-07

Family

ID=12999599

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59055474A Pending JPS60198227A (ja) 1984-03-22 1984-03-22 節付熱可塑性樹脂管の製造方法

Country Status (1)

Country Link
JP (1) JPS60198227A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0723851A2 (en) * 1995-01-18 1996-07-31 Denco, Inc. Total containment connect/disconnect device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52147663A (en) * 1976-06-02 1977-12-08 Kiyousei Kagaku Kougiyou Kk Method of producing conical and cylindrical plastic pipe having convex node on outer periphery

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52147663A (en) * 1976-06-02 1977-12-08 Kiyousei Kagaku Kougiyou Kk Method of producing conical and cylindrical plastic pipe having convex node on outer periphery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0723851A2 (en) * 1995-01-18 1996-07-31 Denco, Inc. Total containment connect/disconnect device
EP0723851A3 (en) * 1995-01-18 1998-01-21 Denco, Inc. Total containment connect/disconnect device

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