JPS6035249B2 - プラスチツク管の溶着接合方法 - Google Patents

プラスチツク管の溶着接合方法

Info

Publication number
JPS6035249B2
JPS6035249B2 JP55140770A JP14077080A JPS6035249B2 JP S6035249 B2 JPS6035249 B2 JP S6035249B2 JP 55140770 A JP55140770 A JP 55140770A JP 14077080 A JP14077080 A JP 14077080A JP S6035249 B2 JPS6035249 B2 JP S6035249B2
Authority
JP
Japan
Prior art keywords
sleeve
pipe
fixture
plastic
jig
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
JP55140770A
Other languages
English (en)
Other versions
JPS5764513A (en
Inventor
幸男 久米
美岐三 釘谷
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.)
Kubota Corp
Original Assignee
Kubota Corp
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 Kubota Corp filed Critical Kubota Corp
Priority to JP55140770A priority Critical patent/JPS6035249B2/ja
Publication of JPS5764513A publication Critical patent/JPS5764513A/ja
Publication of JPS6035249B2 publication Critical patent/JPS6035249B2/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
    • 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
    • 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
    • B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
    • 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
    • B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
    • B29C65/7838—Positioning the parts to be joined, e.g. aligning, indexing or centring from the inside, e.g. of tubular or hollow 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
    • B29C66/01—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
    • B29C66/1226—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 one bevelled 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
    • B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
    • B29C66/324—Avoiding burr formation
    • 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
    • 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
    • B29C66/63—Internally supporting the article during joining
    • 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)

Description

【発明の詳細な説明】 本発明はプラスチック管の落着接合方法に関するもので
ある。
プラスチックのうち、オレフイン系のプラスチックにお
いては接着剤による接着が不可能であり、熔着によらざ
るを得ない。
このため、オレフイン系プラスチックであるポリブテン
、ポリエチレン等のプラスチック管とプラスチックスリ
ーブとを接合する場合、第１図Ａに示すように、加熱治
具１′のコーン部１１′にプラスチックスリーブＳ′の
片側を圧入して、そのスリーブ部の内面を加熱軟化させ
、一方、加熱治具の管状部１２′内に、プラスチック管
Ｐ′の端部を圧入して、その管端部の外面を加熱軟化さ
せ、次いで、加熱治具１′からプラスチックスリーフＳ
′、プラスチック管Ｐ′をそれぞれ切り離したのち、第
１図Ｂに示すように、プラスチック管Ｐ′の端部をプラ
スチックスリーブ９の片側に差込んで、これらの間を溶
着し、冷却する。
しかしながら、上記の方法では、スリーブの内面が加熱
治具のコーン先端で擦られる結果、スリーブ内でのバリ
ａ′の発生が避けられず、プラスチック管が通水管であ
る場合、このバリａ′が通水に支障を及ぼす懸念がある
。
本発明に係るプラスチック管の溶着接合方法は、上述の
不都合を解消できる方法であり、プラスチック管とプラ
スチックスリーブとを熔着接合する方法において、プラ
スチックスリーブの片側内面を、加熱治具の圧入により
加熱軟化させ、該治具を抜取ったのち、上記治具の圧入
時にスリーブ内面に形成されたバリをバリ修正治具の挿
入により圧濃縮小し、而るのち、上記スリーブ内面に、
該内面が加熱軟化状態にあるときに、外面が加熱軟化状
態のプラスチック管端部を蓋込むことを特徴とする方法
である。
以下、図面により本発明を説明する。
第２図Ａにおいて、Ｐはポリブテン管、Ｓはポリブテン
製スリーブであり、管挿入孔はテーパ孔とされ、内面中
央にはストッパーＴが設けられている。
１は加熱治具であり、コ−ン部１１と管状−部Ｔ２とを
備えている。
本発明を実施するには、まず、第２図Ｂに示すように、
加熱治具１のコーン部１１上には、スリーブＳの片側を
、同加熱治具１の管状部１２内には管端部Ｐｏをそれぞ
れ圧入する。
この圧入により、スリーブＳの片側内面並びに管端部Ｐ
ｏの外面がそれぞれ加熱軟化される。この場合、スリー
フＳの内面奥ストッパーＴには、コーン１１の先端で加
熱軟化ポリブテンが絞り寄せられてバリａが形成される
。上記加熱治具１からスリーブＳ並びにポリブテン管Ｐ
を切り離したのちは、第２図Ｃに示すように、スリーブ
ＳのストッパーＴの内径にほぼ等しい外蓬のバリ修正治
具２をスリーブＳの反対側から挿入し、上記バリａをス
トッパー内径に等しい寸法にまで圧潰縮小する。
このバリ修正治具２によるバリの圧濃縮小はごく短時間
で行われ、上記スリーブ内面、並びにポリブテン管端部
外面の加熱軟化状態は、充分に保持されている。
次いで、第２図Ｄに示すように、バリ修正拾臭２をスリ
ーブＳに差込んだま）で、スリーブＳの片側にポリブテ
ン管Ｐの端部Ｐｏを差込み、これらの間を落着する。
而るのち、バリ修正治具を第２図Ｅに示すように取外す
。この場合、必要に応じ、バリ修正治具２を加熱するこ
ともできる。上記のように、スリーブの片側にポリブテ
ン管を落着したのちは、スリーブＳの反対側ｓに次のポ
リブテン管を溶着する。この溶着を行うには、｛１｝ス
リーブの片側内面、並びに次のポリブテン管の端部外面
を加熱治具により加熱軟化させ、■加熱治具からスリー
ブ、ポリブテン管を切り離したのち、バリ修正治具を挿
入してバリを圧債縮小し、‘３ー次いで、バリ修正拾具
を抜き取ったのち、スＩＪーブの反対側内面に次のポリ
ブテン管の端部を同じようにして落着する。
バリ修正治具の長さは長くても、短くてもよい。本発明
に係るプラスチック管の溶着接合方法は、上述した通り
、プラスチックスリーブの内面を加熱治具のコーン部の
圧入により加熱軟化させるときに形成されるバリをバリ
修正治具により圧濃縮小して、スリーブの端部内にプラ
スチック管の端部を溶着しているから、上記バリかプラ
スチック管の通水に支障となるような不具合を排除して
、プラスチック管を溶着接合できる。
プラスチックスリーブはソケットだけでな〈チ．ーズ、
金属インサート継手も含む。
【図面の簡単な説明】
，第１図Ａ並びに第１図Ｂはプラスチック管の従来の溶
着接合方法を示すための説明図、第２図Ａ、第２図Ｂ、
第２図Ｃ、第２図Ｄ並びに第２図Ｅは本発明に係るプラ
スチック管の溶着接合方法を示すための説明図である。 図において、Ｐはプラスチック管、Ｓはプラスチックス
リーブ、１は加熱治具、ａはバリ、２はバリ修正治具で
ある。ナ２図Ｅ ？ノ蜜Ａ ？ノ側８ 「ナ２図Ａ ７２４２８ ７２風Ｃ ７２図Ｄ

Claims (1)

    【特許請求の範囲】
  1. １ プラスチツク管とプラスチツクスリーブとを溶着接
    合する方法において、プラスチツクスリーブの片側内面
    を、加熱治具の圧入により加熱軟化させ、該治具を抜取
    つたのち、上記治具の圧入時にスリーブ内面に形成され
    たバリをバリ修正治具の挿入により圧潰縮小し、而るの
    ち、上記スリーブ内面に、該内面が加熱軟化状態にある
    ときに、外面が加熱軟化状態のプラスチツク管端部を差
    込むことを特徴とするプラスチツク管の溶着接合方法。
JP55140770A 1980-10-07 1980-10-07 プラスチツク管の溶着接合方法 Expired JPS6035249B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55140770A JPS6035249B2 (ja) 1980-10-07 1980-10-07 プラスチツク管の溶着接合方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55140770A JPS6035249B2 (ja) 1980-10-07 1980-10-07 プラスチツク管の溶着接合方法

Publications (2)

Publication Number Publication Date
JPS5764513A JPS5764513A (en) 1982-04-19
JPS6035249B2 true JPS6035249B2 (ja) 1985-08-13

Family

ID=15276335

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55140770A Expired JPS6035249B2 (ja) 1980-10-07 1980-10-07 プラスチツク管の溶着接合方法

Country Status (1)

Country Link
JP (1) JPS6035249B2 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61152428A (ja) * 1984-12-26 1986-07-11 Sekisui Chem Co Ltd 合成樹脂管の接合方法
AU5830394A (en) * 1994-01-04 1995-08-01 Big 'o' Inc. A method and apparatus for producing a bell joint
US6409873B1 (en) * 1999-01-20 2002-06-25 Fsi International, Inc. Process and apparatus for bonding a pair of ducts together in which a removable member is used to help support and maintain alignment between the ducts during bonding

Also Published As

Publication number Publication date
JPS5764513A (en) 1982-04-19

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