JPS59101327A - 水架橋性ポリオレフインパイプの接続方法 - Google Patents

水架橋性ポリオレフインパイプの接続方法

Info

Publication number
JPS59101327A
JPS59101327A JP57210188A JP21018882A JPS59101327A JP S59101327 A JPS59101327 A JP S59101327A JP 57210188 A JP57210188 A JP 57210188A JP 21018882 A JP21018882 A JP 21018882A JP S59101327 A JPS59101327 A JP S59101327A
Authority
JP
Japan
Prior art keywords
pipe
water
pipes
crosslinkable polyolefin
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.)
Granted
Application number
JP57210188A
Other languages
English (en)
Other versions
JPS63221B2 (ja
Inventor
Masaki Matsui
松井　正毅
Kazunori Terasaki
寺崎　和憲
Chiaki Momose
百瀬　千秋
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.)
Dainichi Nippon Cables Ltd
Original Assignee
Dainichi Nippon Cables 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 Dainichi Nippon Cables Ltd filed Critical Dainichi Nippon Cables Ltd
Priority to JP57210188A priority Critical patent/JPS59101327A/ja
Publication of JPS59101327A publication Critical patent/JPS59101327A/ja
Publication of JPS63221B2 publication Critical patent/JPS63221B2/ja
Granted 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
    • 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
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/022—Mechanical pre-treatments, e.g. reshaping
    • B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
    • B29C66/02241—Cutting, e.g. by using waterjets, or sawing
    • 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
    • B29C66/03—After-treatments in the joint area
    • B29C66/034—Thermal after-treatments
    • 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
    • B29C66/5221—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
    • B29C66/70—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
    • B29C66/731—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 intensive physical properties of the material of the parts to be joined
    • B29C66/7311—Thermal properties
    • B29C66/73115—Melting point
    • 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
    • B29C66/737—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 state of the material of the parts to be joined
    • B29C66/7375—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 state of the material of the parts to be joined uncured, partially cured or fully cured
    • B29C66/73755—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 state of the material of the parts to be joined uncured, partially cured or fully cured the to-be-joined area of at least one of the parts to be joined being fully cured, i.e. fully cross-linked, fully vulcanized
    • B29C66/73756—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 state of the material of the parts to be joined uncured, partially cured or fully cured the to-be-joined area of at least one of the parts to be joined being fully cured, i.e. fully cross-linked, fully vulcanized the to-be-joined areas of both parts to be joined being fully cured
    • 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
    • B29C66/7394—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 thermoset
    • B29C66/73941—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 thermoset characterised by the materials of both parts being thermosets
    • 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
    • B29C66/91411—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 parts to be joined, e.g. the joining process taking the temperature of the parts to be joined into account
    • 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
    • B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
    • 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
    • B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
    • B29C66/9192—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams
    • B29C66/91921—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams in explicit relation to another temperature, e.g. to the softening temperature or softening point, to the thermal degradation temperature or to the ambient temperature
    • B29C66/91931—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams in explicit relation to another temperature, e.g. to the softening temperature or softening point, to the thermal degradation temperature or to the ambient temperature in explicit relation to the fusion temperature or melting point of the material 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
    • B29C66/90—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
    • B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
    • B29C66/9192—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams
    • B29C66/91921—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams in explicit relation to another temperature, e.g. to the softening temperature or softening point, to the thermal degradation temperature or to the ambient temperature
    • B29C66/91931—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams in explicit relation to another temperature, e.g. to the softening temperature or softening point, to the thermal degradation temperature or to the ambient temperature in explicit relation to the fusion temperature or melting point of the material of one of the parts to be joined
    • B29C66/91933—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams in explicit relation to another temperature, e.g. to the softening temperature or softening point, to the thermal degradation temperature or to the ambient temperature in explicit relation to the fusion temperature or melting point of the material of one of the parts to be joined higher than said fusion temperature
    • 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
    • B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
    • B29C66/9192—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams
    • B29C66/91921—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams in explicit relation to another temperature, e.g. to the softening temperature or softening point, to the thermal degradation temperature or to the ambient temperature
    • B29C66/91931—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams in explicit relation to another temperature, e.g. to the softening temperature or softening point, to the thermal degradation temperature or to the ambient temperature in explicit relation to the fusion temperature or melting point of the material of one of the parts to be joined
    • B29C66/91935—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams in explicit relation to another temperature, e.g. to the softening temperature or softening point, to the thermal degradation temperature or to the ambient temperature in explicit relation to the fusion temperature or melting point of the material of one of the parts to be joined lower than said fusion temperature
    • 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
    • B29C66/116—Single bevelled joints, i.e. one of the parts to be joined being bevelled in the joint area
    • B29C66/1162—Single bevel to bevel joints, e.g. mitre 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
    • B29C66/70—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/24—Condition, form or state of moulded material or of the material to be shaped crosslinked or vulcanised
    • B29K2105/246—Uncured, e.g. green

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Plasma & Fusion (AREA)
  • Branch Pipes, Bends, And The Like (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】 本発明は水架橋性ポリオレフィンパイプの接続方法に関
する。
一般の非架橋ポリオレフィンからなるパイプは接続部を
加熱溶融させることにより、簡単に接続することができ
るので、配管施工が容易であるが、反面、耐熱性に乏し
いため、給湯はか、高温の流体用のパイプとしては用い
るに適さない。一方、近年になって開発された架橋ポリ
オレフィンからなるパイプは、耐熱性、耐環境応力亀裂
性等の諸物性にすぐれるが、他方、架橋ポリオレフィン
は熱溶融しないか、又は僅かにしか熔融しないので、非
架橋ポリオレフィンパイプのように、熱溶融によって強
固に接続することは困難であり、配管施工性に劣る問題
がある。、 本発明者らは、上記した問題を解決するために鋭意研究
した結果、水架橋性ポリオレフィンからなるパイプと継
手を、それらがまだ低架橋の状態にある間に、継手内壁
面と接触されるパイプの外壁面を所定温度に加熱すると
共に、継手の内壁面を所定温度に加熱した後、パイプを
継手内に挿入して、溶融接着させることによって、強固
に継手接続することができることを見出して、本発明に
至ったものである。
即ち、本発明は、水架橋性ポリオレフィンパイ。
プを水架橋性ポリオレフィン継手で接続する方法におい
て、パイプの外壁面及び継手の内壁面を、上記水架橋性
ポリオレフィンの融点をｔ　’ｃとするとき、（ｔ＋６
０）’Ｃ以上、（ｔ＋１６０）’Ｃ以下であって、且つ
、４００℃以下の温度に加熱し、次いで、パイプを継手
内に挿入して溶融接着させることを特徴とする。
水架橋性ポリオレフィンは、すでに種々のものが知られ
ており、本発明においてパイプ及び継手を構成する水架
橋性ポリオレフィンは、このような従来より知られてい
る水架橋性ポリオレフィンのいずれであってもよい。例
えば、その一つとして、加水分解し得る有機基を有する
と共に、エチレン性不飽和基を有するシロキサン化合物
を含有する水架橋性ポリオレフィンを挙げることができ
る。この水架橋性ポリオレフィンは、ポリエチレン、ポ
リプロピレン、エチレン−プロピレン共重合体、エチレ
ン−酢酸ビニル共重合体等のポリオレフィンと、上記エ
チレン性不飽和シロキサン化合物と、遊離ラジカル発生
剤と、必要に応じて、シラノール縮合触媒とからなる。
上記において、エチレン性不飽和シロキサン化合物とし
ては、代表的にはビニルトリメトキシシラン、ビニルト
リエトキシシラン、ビニルトリアセトキシシラン してはジクミルパーオキシド、ラウロイルパーオキシド
、ジプロビオニルパーオキシト、ヘンシイルバーオキシ
ド、ジルｔ−ブチルバーオキシド、ｔ−ブチルヒドロパ
ーオキシＦ等の過酸化物、アゾビスイソブチロニトリル
、アブイソブチルバレロニトリル等のアゾ化合物等、従
来より知られている通常のものが適宜に用いられる。ま
た、シラノール縮合触媒としても、既に種々のものが知
られており、例えば、ジブチルスズジラウレ−１・、ジ
ブチルスズジアセテート、ジブチルスズジオクトエート
、酢酸第一スズ、カプリル酸第−スズ、ナフテン酸亜鉛
、カプリル酸亜鉛、ナフテン酸コバルト等が適宜に用い
られる。
また、水架橋性ポリオレフィンの別の例として、特開昭
５５−９６１１号公報に記載されているエチレンと前記
エチレン性不飽和シロキサン化合物との共重合体と、必
要に応して、」１記したようなシラノール縮合触媒とを
含有する水架橋性ポリオレフィンも好適に用いることが
できる。
本発明の方法は、上記した中でも、ポリオレフィンがポ
リエチレンである水架橋性ポリエチレンからなるパイプ
及び継手、特に、初めに挙げたエチレン性不飽和シラン
化合物とラジカル発生剤と、必要に応じてシラノール縮
合触媒とを含有する水架橋性ポリエチレンからなるパイ
プ及び継手を用いて接続する場合に好適である。
殊に、かかる水架橋性ポリエチレンの中でも、特に好ま
しいものの第１は、密度が０．　９　３　０〜０。
９５５、Ｍｌが０．２〜３．０ｇ／１０分である中高密
度ポリエチレンである。このようなポリエチレンは融点
が高く、耐熱性にすぐれていると共に、架橋前の耐環境
応力亀裂性にすぐれ、更に、水架橋によるゲル分率到達
度が高いからである。上記より高密度のポリエチレンは
耐環境応力亀裂性が十分でな（、一方、」１記より低密
度のポリエチレンは融点が低く、耐熱性において十分で
ないからである。本発明において特に好ましいポリエチ
レンの第２は、密度０．　９　２　０〜０．　９　３　
５、Ｍ　Ｉ　Ｏ．　２〜３．Ｏｇ／１０分である低中密
度リニートポリエチレンと称されるものである。かかる
ポリエチレンも上記第１のポリエチレンと同様の利点を
有する。
但し、本発明において用い得る水架橋性ポリオレフィン
は上に例示したものに限定されるものではなく、また、
パイプと継手を構成する水架橋性ポリオレフィンが同一
のものである必要はない。
更に、本発明において、継手は、スリーブ、ソケット、
エルボ、チーズ等、中空管状の継手部材のすべてを含む
ものとする。
本発明の方法においては、パイプの外壁面及び継手の内
壁面の加熱に先立って、好ましくは、これらの端面を所
謂開先加工する。一般に、水架橋性ポリオレフィンから
なるパイプは、大気中の水分等によって既に当初より多
少とも架橋しており、特に、パイプや継手の表面層にお
いてこの傾向が著しるしい。このように、表面層と内部
層においてゲル分率が相違するとき、良好な熔融接着が
妨げられる場合があるので、図面に示すように、パイプ
１と継手２の端面３の角部を除去するのである。この加
工を開先加］二と称する。一般に継手接続の場合、パイ
プの外径と継手内径は同じであるか、場合によっては、
継手内径の方がやや小さい。
従って、パイプ表面層のゲル分率が高い場合等には、パ
イプを継手に挿入するとき、パイプの端面の角部が継手
内壁にくい込んで、円滑にパイプを挿入し得ない場合も
あるが、上記のように開先加工を施しておけば、パイプ
を継手に円滑に挿入することができる。
次に、水架橋性ポリオレフィンからなるパイプ及び継手
の融着接着には、少なくともその融着接着部位において
、ポリオレフィンのゲル分率は可及的に小さい方が好ま
しい。通常、水架橋性ポリオレフィンからなるパイプ及
び継手は、前記したように、水架橋工程前に既に５％程
度又はそれ以上のゲル分率を有するが、水架橋前に有す
る程度のゲル分率は、本発明の方法を実施するのに何ら
差支えない。しかし、ゲル分率が６０％以上であるとき
は、加熱によっても、パイプを十分に強固に継手接続さ
せることができないと共に、融着後の追架橋によっても
パイプを強固に接続することができないので、ゲル分率
は６０％未満であることを要し、好ましくは５５％以下
の低架橋の状態にあるのがよい。尚、パイプ及び継手は
、その全体にわたって、ゲル分率が６０％未満である必
要はなく、加熱融着部位においてのみでもよい。
本発明の方法によれば、少なくとも継手内壁面と接触さ
れるパイプの外壁面を表面から、通常、肉厚の３１５ま
で、ポリオレフィンの融点をｔ　’ｃとするとき、（ｔ
＋６０）’Ｃ以上、（ｔ＋１６０）℃以下あって、且つ
、４００°Ｃ以下の温度に加熱する。また、同様に、継
手についても、その内壁面を表面から肉厚の３１５まで
」１記温度に加熱する。ここに、上記融点は示差熱分析
法による融解ピーク（°Ｃ）を意味し、例えば、神原及
び藤原編「高分子分析ハンドブック」３・１５・１項、
第１７８〜１８３頁（昭和４０年朝倉書店発行）に記載
されている方法にて測定することができる。
パイプ及び継手の加熱温度が（ｔ−１−６０）’Ｃより
も低いときは、加熱不足からパイプと継手を十分に融着
接着させることができず、この結果、接続部は高い強度
を有しない。また、加熱温度が（ｔ＋１６０）“Ｃ又は
４００℃を越えるときは、パイプや継手の強度が却って
低下することがあるので好ましくない。
パイプの接続部全体及び継手全体を加熱すれば、剛性を
失って、パイプを継手に挿入するのに支障をきたすので
、パイプ及び継手の接着面の加熱は、表面から肉厚の３
１５までであることを要する。
より詳細には、加熱を要する厚みは、パイプ及び継手肉
厚に依存し、パイプ及び継手の肉厚が１〜３０１ｍの場
合、一般的には肉厚の１１５０から３／３であるが、好
ましくは１／２０から１／２、特に好ましくは１／１０
から２１５である。
加熱手段は特に制限されないが、パイプ及び継手を同時
に可及的に速やかにその全円周にわたって所定温度に加
熱するために、パイプ外径及び継手内径に相当する径の
ホス状の加熱部を有するヒーターをそれぞれの接続面に
挿入し、加熱するのが望ましい。
次いで、上記のように、パイプ及び継手を所定温度に加
熱した後、それぞれの温度を融点以上に保って、パイプ
を継手に挿入し、溶融接着させる。
この際、潤滑剤を用いなくとも挿入できるが、好ましく
は、例えば、前記の水架橋性ポリオレフィンをトルエン
、キシレン等の溶剤に溶解させ、これを潤滑剤として少
量用いることにより、一層円滑にパイプを継手に挿入す
ることができる。通常、潤滑剤は加熱前に塗布される。
上記のような接続作業の後、パイプ及び継手を水架橋す
れば、強固な継手接続部を有する接続パイプを得ること
ができる。以上のようにして得られた接続部は既に比較
的高強度を有しているので、送水、給湯を５ｋｇ／−程
度以下の低圧で行なう場合には、このような送水、給湯
に供しつつ、パイプを水架橋させることができる。通常
、水架橋には常温乃至１００℃の水を通過させて行なう
が、好ましくは５０〜１００℃の温度の水がよい。
以上のように、本発明によれば、継手接続すべきパイプ
の外壁面及び継手内壁面を所定温度に加０ 熱した後、パイプを継手に挿入して、熔融接着さセるこ
とによって、強固な接続部を有するパイプを得ることが
できる。
以下・に実施例により本発明を説明する。尚、以下にお
いて、部は重量部を表わす。
実施例 密度０．９５ｇ／ｃＪ、Ｍｌｌ、５ｇ／１０分のポリエ
チレン１００部、ビニルトリメトキシシラン２部、ジク
ミルパーオキシド０．１５部及びジブチルスズジラウレ
ート０．０５部とからなる水架橋性ポリエチレン組成物
を用いて、外径６０１１肉厚５１のパイプを成形し、ま
た、外径７２菖１、肉厚６１のスリーブを成形した。こ
のパイプ及びスリーブの融点は１２９℃、ゲル分率は５
％であった。
このパイプの外壁面とスリーブの内壁面を前記したよう
なヒーターにて可及的に速やかに温度２３０℃に加熱し
た後、パイプをスリーブ内に挿入し、熔融圧着させた。
この後、これを９０℃の熱水中に６０時間浸漬放置して
、水架橋させた。同様にして、径の異なるパイプとスリ
ーブを成形し、１ ２ 種々の温度に加熱して、熔融接着させた。
このように得られた接続パイプの接続部の強度を表に示
す。
尚、上記において、ゲル分率はＪＩＳ　Ｃ３００５の２
６項に準する方法で測定し、また、接続部の強度は、パ
イプ内に満たした水の圧力を２０ｋｇ／ｃＪ／分の速度
で漸次上昇させて、パイプが破裂し、又は接続部から漏
水したときの水圧で示した。
比較例 実施例と同じパイプについて、本発明の範囲と異なる温
度領域で加熱した後、熔融接着させた。
このようにして得た接続パイプの接続部の強度を表に示
す。
【図面の簡単な説明】
図面は開先加工されたパイプ及びスリーブを示す断面図
である。 １・・・パイプ、２・・・スリーブ、３・・・端面。 特許出願人　大日日本電線株式会社 代理人　弁理士　　牧　野　逸　部 ３

Claims (1)

    【特許請求の範囲】
  1. ４１．１　　水架橋性ポリオＩ／フィンパイプを水架橋
    性ポリオレフィン継手で接続する方法において、パイプ
    の外壁面及び継手の内壁面を、上記水架橋性ポリオレフ
    ィンの融点をｔ　’ｃとするとき、（ｔ＋６０）°Ｃ以
    上、（ｔ＋１６０）’ｃ以下であって、且つ、４００℃
    以下の温度に加熱し、次いで、パイプを継手内に挿入し
    て溶融接着させることを特徴とする水架橋性ポリオレフ
    ィンパイプの接続方法。
JP57210188A 1982-11-30 1982-11-30 水架橋性ポリオレフインパイプの接続方法 Granted JPS59101327A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57210188A JPS59101327A (ja) 1982-11-30 1982-11-30 水架橋性ポリオレフインパイプの接続方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57210188A JPS59101327A (ja) 1982-11-30 1982-11-30 水架橋性ポリオレフインパイプの接続方法

Publications (2)

Publication Number Publication Date
JPS59101327A true JPS59101327A (ja) 1984-06-11
JPS63221B2 JPS63221B2 (ja) 1988-01-06

Family

ID=16585236

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57210188A Granted JPS59101327A (ja) 1982-11-30 1982-11-30 水架橋性ポリオレフインパイプの接続方法

Country Status (1)

Country Link
JP (1) JPS59101327A (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001083613A3 (en) * 2000-04-28 2002-02-28 Golan Plastic Products Weldable articles made of cross-linked polyolefins
EP1039207A3 (de) * 1999-03-26 2004-01-07 GERODUR MPM, Kunststoffverarbeitung GmbH & Co. KG Verfahren zur Herstellung einer Rohrverbindung sowie Rohrleitung
JP2009107207A (ja) * 2007-10-30 2009-05-21 Maezawa Kyuso Industries Co Ltd ポリオレフィン樹脂を素材とする部材の融着方法
WO2010035813A1 (ja) 2008-09-26 2010-04-01 旭有機材工業株式会社 配管部材の接続方法及びその接続方法で接続されてなるポリフェニレンエーテル系樹脂組成物製配管部材
FR3001716A1 (fr) * 2013-02-07 2014-08-08 Illinois Tool Works Reservoir pour automobile en polymere reticule
JP2015520266A (ja) * 2012-07-24 2015-07-16 ボレアリス・アクチェンゲゼルシャフトＢｏｒｅａｌｉｓ Ａｇ 物品の消毒薬耐性を改善するためのゆっくり部分架橋するポリオレフィン組成物

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1039207A3 (de) * 1999-03-26 2004-01-07 GERODUR MPM, Kunststoffverarbeitung GmbH & Co. KG Verfahren zur Herstellung einer Rohrverbindung sowie Rohrleitung
WO2001083613A3 (en) * 2000-04-28 2002-02-28 Golan Plastic Products Weldable articles made of cross-linked polyolefins
JP2009107207A (ja) * 2007-10-30 2009-05-21 Maezawa Kyuso Industries Co Ltd ポリオレフィン樹脂を素材とする部材の融着方法
WO2010035813A1 (ja) 2008-09-26 2010-04-01 旭有機材工業株式会社 配管部材の接続方法及びその接続方法で接続されてなるポリフェニレンエーテル系樹脂組成物製配管部材
JP2010078094A (ja) * 2008-09-26 2010-04-08 Asahi Organic Chem Ind Co Ltd 配管部材の接続方法及びその接続方法で接続されてなるポリフェニレンエーテル系樹脂組成物製配管部材
KR101258977B1 (ko) * 2008-09-26 2013-04-29 아사히 유키자이 고교 가부시키가이샤 배관부재의 접속방법 및 그 접속방법으로 접속되어 이루어지는 폴리페닐렌에테르계 수지조성물제 배관부재
JP2015520266A (ja) * 2012-07-24 2015-07-16 ボレアリス・アクチェンゲゼルシャフトＢｏｒｅａｌｉｓ Ａｇ 物品の消毒薬耐性を改善するためのゆっくり部分架橋するポリオレフィン組成物
FR3001716A1 (fr) * 2013-02-07 2014-08-08 Illinois Tool Works Reservoir pour automobile en polymere reticule
WO2014124018A1 (en) * 2013-02-07 2014-08-14 Illinois Tool Works Inc. Motor vehicle tank made of crosslinked polymer

Also Published As

Publication number Publication date
JPS63221B2 (ja) 1988-01-06

Similar Documents

Publication Publication Date Title
RU2178355C2 (ru) Трубчатое изделие, способы его получения и использования (варианты)
US4896904A (en) Heat shrinkable device with adhesive barrier for connecting elongate objects
US5366253A (en) Electrofusion joint and hot water supply header using the same
CA2482706C (en) Heat-recoverable composition and article
EP0083780A1 (en) Adhesive and method of jointing articles of polyolefin using the same
JPS59101327A (ja) 水架橋性ポリオレフインパイプの接続方法
JPH0226848B2 (ja)
JPS6141734B2 (ja)
JPH0319878B2 (ja)
JPS61109996A (ja) 水架橋型ポリオレフインパイプの接合方法
US4298641A (en) Heat recoverable article
JPH10323876A (ja) 架橋ポリオレフィン管及びその製造方法
JPS5838737A (ja) 架橋ポリオレフインパイプ
AU684166B2 (en) A coupling assembly
JPH0820029B2 (ja) 配管路を形成するためのポリオレフィン系樹脂をベースとしたパイプと、その連結用継手と、その製造方法
JPS622974B2 (ja)
JPH0451590B2 (ja)
JPS58209525A (ja) ポリオレフインパイプの接合法
JPH0559646B2 (ja)
JPS6153941B2 (ja)
JP2837730B2 (ja) 熱可塑性樹脂管の融着方法及びヒータ
JPS59183189A (ja) スラリ−移送管の接続構造
JPS646939B2 (ja)
JPS58209526A (ja) 接続部の構造
JPH0226393A (ja) 接着層を有する架橋ポリオレフィンパイプ