JPH03278938A - 樹脂シート加熱加工装置 - Google Patents

樹脂シート加熱加工装置

Info

Publication number
JPH03278938A
JPH03278938A JP2081944A JP8194490A JPH03278938A JP H03278938 A JPH03278938 A JP H03278938A JP 2081944 A JP2081944 A JP 2081944A JP 8194490 A JP8194490 A JP 8194490A JP H03278938 A JPH03278938 A JP H03278938A
Authority
JP
Japan
Prior art keywords
resin sheet
base
temp
heater
cooled
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
JP2081944A
Other languages
English (en)
Inventor
Tsukasa Mikamoto
司 三家本
Hiroshi Tomiyama
富山　博司
Masamichi Ozaki
尾崎　正道
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.)
Proterial Ltd
Original Assignee
Hitachi Metals 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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Priority to JP2081944A priority Critical patent/JPH03278938A/ja
Publication of JPH03278938A publication Critical patent/JPH03278938A/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
    • B29D23/003—Pipe joints, e.g. straight joints
    • B29D23/005—Pipe joints, e.g. straight joints provided with electrical wiring
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/005—Compensating volume or shape change during moulding, in general
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/52—Heating or cooling
    • 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
    • B29C65/34—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
    • 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
    • B29C65/7847—Holding or clamping means for handling purposes using vacuum to hold at least 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
    • 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
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • 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
    • B29C66/5224—Joining tubular articles for forming fork-shaped connections, e.g. for making Y-shaped pieces
    • B29C66/52241—Joining tubular articles for forming fork-shaped connections, e.g. for making Y-shaped pieces with two right angles, e.g. for making T-shaped pieces
    • 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
    • B29C66/91211—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 with special temperature measurement means or methods
    • B29C66/91212—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 with special temperature measurement means or methods involving measurement means being part of the welding jaws, e.g. integrated in the welding jaws
    • 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
    • B29C66/91423—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 using joining tools having different temperature zones or using several joining tools with different temperatures
    • 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
    • B29C66/91—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
    • B29C66/96—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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/82—Forcing wires, nets or the like partially or completely into the surface of an article, e.g. by cutting and pressing
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/16—Cooling
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (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】 〔産業上の利用分野〕 樹脂シートを加熱し、加工する装置に関するものである
。
〔従来の技術〕
第２図に示す様に、電気溶着式管継手■には、樹脂シー
ト上を組込んでいる。この樹脂シート１は、例えば、ポ
リエチレンのベース７に螺線状に、加熱用ワイヤ９が設
けてあり、電気溶着式管継手工を樹脂パイプ２５に接合
する際には、ワイヤに通電し、樹脂シート上を加熱、熔
融し、接合するのである。この樹脂シート上の表面には
、複数の突起を設け、裏面は、平面である。この樹脂シ
ート１に成形するために従来は、第７図に示す様に、テ
ーブル１３に樹脂シート上裏面を固定し、上方から、ヒ
ータ１０を樹脂シート上の突起８に押し圧し、熔融し、
ワイヤ９を固定していた。
テーブル１３には、押え板１４を設けて樹脂シート上を
固定する。樹脂シート上の材質は、融点１４０℃程度の
ポリエチレンである。樹脂シート上には、第３図に示す
様に、比較的薄い円盤状のベース７に、ベース７の厚み
の３倍程度の直径で、ベース７厚みの４倍程度の高さの
複数の突起８を設け、突起８にベース７の厚みと同程度
の直径のワイヤ９を引っ掛けながら巻線している。ヒー
タ１０には、ヒータ温度を一定に保つ温度調節器１１と
加圧器１２　（例えばエアシリンダ）を設けている。
この装置で、押え板１４を用い樹脂シート上をテーブル
１３に固定し、樹脂シート１の融点〜融点＋５０℃の温
度の間で、一定の温度に調節したヒータ１０を加圧器１
２で、突起８に２０〜３０ｇ　／　ｔｘ　”の圧力で、
２０〜３０秒間押し圧し、突起８長さの２／３程度を熔
融し、第５図に示す様に、ワイヤ９を覆い、ヒータ１０
を樹脂シート１から離し、熔融した突起８を自然冷却し
て、ワイヤ９を固定する。
〔発明が解決しようとする問題点〕
ところが、この様な装置においては、ヒータ１０を突起
８に押し圧し、加熱し、突起８長さの２７３程度を熔融
する際に、熱輻射により、ベース７も加熱する。このた
め、ベース７が軟化し、ヒータ１０を離して自然冷却す
る際に、ベース７が収縮し、樹脂シート１は、第６図に
示すように波形、あるいは、凹状に、ベース７厚みの１
０〜２０倍程度厚さ方向に変形する。この様に変形した
樹脂シート１を電気溶着式管継手６に組込むと、接合面
である樹脂シート１の裏面と樹脂パイプ２５との隙間が
大きく、接合できないという問題があった。また、テー
ブル１３上の樹脂シート上を交換する際に、押え板１４
を数ケ所説着するため、時間がかかるという問題もあっ
た。
本発明の目的は、突起８を加圧熔融してワイヤ９を固定
する際に、樹脂シート１の変形を、継手として使用でき
る範囲（ベース７厚みの４倍以下の変形）に押え、突起
８のみを安定に且つ確実に熔融させてワイヤ９を固定す
る装置を提供し、また、樹脂シート上の交換もワンタン
チで迅速にできる装置を提供することである。
〔問題点を解決するための手段〕
本発明は、樹脂シートを装着するテーブル裏面に、冷却
媒体で冷却する冷却器を配置し、テーブルの温度によっ
て冷却媒体の流量を調節して、テーブルの温度を制御し
、さらに望ましくは、テーブル表面に、樹脂シートを真
空吸着する手段を設けたことを特徴とする樹脂シート加
熱加工装置である。
〔作用〕
冷却手段で、テーブル１３を一定温度に冷却し、樹脂シ
ートｉを真空吸着で、テーブル１３に固定する。テーブ
ル１３は、樹脂シー）１のベース７を冷却する。ヒータ
１０を樹脂シート１の突起８に押し圧し、突起８長さの
２／３程度のみを熔融し、ワイヤ９を覆う。ヒータ１０
を離し、熔融した突起８を自然冷却して、ワイヤ９を固
定する。
この時、樹脂シートｌのベース７を冷却しているために
、ヒータｌＯの熱輻射があっても、ベース７は熱変形す
る温度に上昇せず、自然冷却の際に変形しない。
〔実施例） 本発明に係わる樹脂シート加熱加工装置を第１図〜第６
図及び、第８図に基づいて説明する。
第１面において、樹脂シート１の下面に、テーブルユを
設け、樹脂シート上の上方に、加熱器１を設ける。テー
ブルユには、冷却手段を設け、さらに望ましくは、樹脂
シート１を固定する面に、真空チャック板４を設ける。
第３図に示す様に、融点１４０℃程度のポリエチレン製
樹脂シート上は、比較的薄い円盤状のへ一スフと、螺線
状にベース７厚みの３倍程度の直径でベース７厚みの４
倍程度の高さの複数の突起８で構成し、ベース７厚みと
同程度の直径のワイヤ９を引っ掛けながら巻線している
。加熱器２には、ヒータ１０にヒータ温度調節器１１を
設け、ヒータ１０の上面には、加圧器１２（例えばエア
シリンダ）を設ける。テーブル３の樹脂シート１を固定
する側には、熱伝導率の高い材質（例えばアルミニウム
、鉄）を用い、裏面には、断熱材で構成した容器１７（
例えば発泡樹脂）に入れた冷却液１８（例えばエチレン
コール）を接触させている。
冷却液１８を冷却器１９．ポンプ２０．電磁弁２１を用
いて循環させる。電磁弁２１には、テーブル１の樹脂シ
ート工固定面近くに側面から嵌入して設けた熱電対２２
と冷却温度調節器２３が付随する。真空チャック板４に
は、樹脂シート１を吸着する面に、同心円状、放射状、
または、格子状に巾２〜３１１ｍの溝１６を設け、真空
ポンプ５が付随している。溝１６の開口部総面積は、吸
着面積の５〜２０％程度が良い。
次に作用について説明する。冷却液１８を冷却器１９で
冷却し、ポンプ２０で加圧し、テーブル主に嵌入して設
けた熱電対２２で、テーブル主の樹脂シート上付近の温
度を測定し、冷却温度調節器２３で、電磁弁２１を開閉
し、冷却した冷却液１８の量を調節し、テーブル３の温
度を０〜５℃に保つ。樹脂シート上を真空チャック板４
の溝１６のある面に静置し、真空ポンプ５を作動させる
。
次に溝１６の内部を真空にすると、樹脂シート上を吸着
して密着し、ベース７を冷却する。ヒータ温度調節器１
１でヒータ１０を、樹脂シート上の融点〜融点＋５０℃
の温度の間で一定に保つ。ヒータ１０を加圧器１２で、
樹脂シート上の突起８に押し圧し第８図に示す様に、突
起８の長さの上部２／３程度の部分８ａのみを熔融し、
ベース７は、冷却しているため、ヒータ１０の熱輻射が
あっても熱変形する温度にならない、また、突起下部１
／３程度の部分８ｂは、ヒータ１０の加熱温度とベース
７の冷却温度が、均衡を失した際の余地の部分である。
次に、熔融した突起８で、第５図に示す様にワイヤ９を
覆う。次にヒータ１０を上方に離し、熔融した突起８を
冷却し、ワイヤ９を固定する。次に真空ポンプ５を停止
し、真空チャック４の溝１６を大気圧にもどし、加工の
終った樹脂シート１を取り出す。
本実施例においては、螺線状に設けた複数の突起を加熱
加工する装置について記載したが、ベースに螺装状の溝
を設け、ワイヤを巻線した樹脂シートでも、本発明装置
が、支障なく適用できる。
〔発明の効果〕
従来、ヒータを突起に押し圧し、加熱し、熔融し、ワイ
ヤを固定する際に、ヒータの熱輻射でベースも加熱し、
軟化し、突起を冷却する際に、ベースが収縮し、波形、
あるいは凹形に変形していたが、本発明によれば、突起
を加熱する際、ベースを均一に冷却しているため、ヒー
タの熱輻射があってもベースは、熱変形する温度まで上
昇せず、変形をベース厚みの４倍以下に押え、樹脂シー
トを継手として使用できる。また、加熱加工後の樹脂シ
ートの交換もワンタッチで迅速にできる。
【図面の簡単な説明】
第１図は本発明に係わる樹脂シート加熱加工装置、第２
図は電気溶着式管継手の使用方法、第３図は突起にワイ
ヤを巻線した樹脂シート、第４図は第３図のＡ−Ａ矢視
図、第５図は第３図の突起を溶かしワイヤを固定した図
、第６図は第４図の突起を溶かす際ベースも加熱したた
めに変形した図、第７図は従来の樹脂シート加熱加工装
置、第８図は突起部拡大図。 上：樹脂シート、１：加熱器、１：テーブル、ｉ：真空
チャンク板、５：真空ポンプ 第 図 第 図 第 ３ 図 第 図 第 図 第 図 第 図 第 図

Claims (2)

    【特許請求の範囲】
  1. （１）樹脂ベースに複数の突起を設け、ワイヤを引っ掛
    け、上から加熱、熔融し、ワイヤを固定する樹脂シート
    加熱加工装置において、樹脂シートを装着するテーブル
    裏面に、冷却媒体で冷却する冷却器を配置し、テーブル
    の温度によって冷却媒体の流量を調節して、テーブルの
    温度を制御するようにしたことを特徴とする樹脂シート
    加熱加工装置。
  2. （２）テーブル表面に、樹脂シートを真空吸着する手段
    を設けたことを特徴とする、請求項（１）に記載の樹脂
    シート加熱加工装置。
JP2081944A 1990-03-29 1990-03-29 樹脂シート加熱加工装置 Pending JPH03278938A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2081944A JPH03278938A (ja) 1990-03-29 1990-03-29 樹脂シート加熱加工装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2081944A JPH03278938A (ja) 1990-03-29 1990-03-29 樹脂シート加熱加工装置

Publications (1)

Publication Number Publication Date
JPH03278938A true JPH03278938A (ja) 1991-12-10

Family

ID=13760617

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2081944A Pending JPH03278938A (ja) 1990-03-29 1990-03-29 樹脂シート加熱加工装置

Country Status (1)

Country Link
JP (1) JPH03278938A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999043481A1 (en) * 1998-02-27 1999-09-02 Odme International B.V. Method and device for heat treatment of a disc

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999043481A1 (en) * 1998-02-27 1999-09-02 Odme International B.V. Method and device for heat treatment of a disc
US6663744B1 (en) 1998-02-27 2003-12-16 Otb Group B.V. Method and device for heat treatment of a disc

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