KR910009419A - 열 용접에 의한 플라스틱 요소의 상호 접합용 전기 저항기를 가진 연결성분 - Google Patents

열 용접에 의한 플라스틱 요소의 상호 접합용 전기 저항기를 가진 연결성분 Download PDF

Info

Publication number
KR910009419A
KR910009419A KR1019900019493A KR900019493A KR910009419A KR 910009419 A KR910009419 A KR 910009419A KR 1019900019493 A KR1019900019493 A KR 1019900019493A KR 900019493 A KR900019493 A KR 900019493A KR 910009419 A KR910009419 A KR 910009419A
Authority
KR
South Korea
Prior art keywords
wire
component
melting temperature
resistor
layer
Prior art date
Application number
KR1019900019493A
Other languages
English (en)
Other versions
KR0178381B1 (ko
Inventor
뒤푸르 드니
포르탱 프랑소와
Original Assignee
엘. 씨. 루지아노비치
가즈 드 프랑스 (서어비스 내쇼날)
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 엘. 씨. 루지아노비치, 가즈 드 프랑스 (서어비스 내쇼날) filed Critical 엘. 씨. 루지아노비치
Publication of KR910009419A publication Critical patent/KR910009419A/ko
Application granted granted Critical
Publication of KR0178381B1 publication Critical patent/KR0178381B1/ko

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
    • B29C66/50—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
    • 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
    • B29C65/344—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 being a woven or non-woven fabric or being a mesh
    • 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
    • B29C65/348—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 with a polymer coating
    • 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
    • B29C66/11—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
    • B29C66/13—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
    • B29C66/01—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
    • B29C66/3242—Avoiding burr formation on the inside of a tubular or hollow article
    • 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
    • B29C66/50—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
    • B29C66/739—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
    • B29C66/7392—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 thermoplastic
    • B29C66/73921—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 thermoplastic characterised by the materials of both parts being thermoplastics
    • 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
    • B29C66/9131—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 heat or the thermal flux, i.e. the heat flux
    • B29C66/91311—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 heat or the thermal flux, i.e. the heat flux by measuring the heat generated by Joule heating or induction heating
    • B29C66/91313—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 heat or the thermal flux, i.e. the heat flux by measuring the heat generated by Joule heating or induction heating by measuring the voltage, i.e. the electric potential difference or electric tension
    • 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
    • B29C66/9131—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 heat or the thermal flux, i.e. the heat flux
    • B29C66/91311—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 heat or the thermal flux, i.e. the heat flux by measuring the heat generated by Joule heating or induction heating
    • B29C66/91315—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 heat or the thermal flux, i.e. the heat flux by measuring the heat generated by Joule heating or induction heating by measuring the current intensity
    • 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
    • B29C66/914—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
    • B29C66/9161—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 heat or the thermal flux, i.e. the heat flux
    • B29C66/91651—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 heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating
    • B29C66/91655—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 heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating by controlling or regulating the current intensity
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/02—Welded joints; Adhesive joints
    • F16L47/03—Welded joints with an electrical resistance incorporated in the joint
    • 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
    • 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
    • B29C66/9161—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 heat or the thermal flux, i.e. the heat flux
    • B29C66/91651—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 heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating
    • B29C66/91653—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 heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating by controlling or regulating the voltage, i.e. the electric potential difference or electric tension
    • 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
    • B29C66/94—Measuring or controlling the joining process by measuring or controlling the time
    • B29C66/949—Measuring or controlling the joining process by measuring or controlling the time characterised by specific time 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
    • B29C66/95—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94
    • B29C66/959—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 characterised by specific values or ranges of said specific variables
    • B29C66/9592—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 characterised by specific values or ranges of said specific variables in explicit relation to another variable, e.g. X-Y diagrams

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Plasma & Fusion (AREA)
  • Textile Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Resistance Heating (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Details Of Resistors (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Thermistors And Varistors (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

Abstract

내용 없음

Description

열 용접에 의한 플라스틱 요소의 상호 접합용 전기 저항을 가진 연결성분
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따라 2개의 파이프를 끝과 끝을 연결하기 위하여 열저항기를 형성하는 망상 전도성 네트를 갖춘 슬리브를 채용한 연결시스템 중앙부분의 단면도.
제2도는 특정 실시예에서 제1도의 연결시스템에 사용하기 위하여 실린더로서 니트 양말 또는 일종의 "갑옷"형태를 갖춘 전도성 네트의 부분 사시도.
제3도는 제2도의 Ⅲ부분에 길이방향 단면 확대도.

Claims (9)

  1. 최적의 가열상태를 검출하고 전기 절연재질의 층(13)으로 피복되어 있는 단일 와이어로 형성되어 있으며 성분을 구성하는 플라스틱내에 배열되어 있는 저항기에 전기적 공급을 차단하기 위한 방법에 있어서, 상기 피복되어 있는 저항 와이어는 와이어가닥이 겹쳐지고, 절연 피복층(13)을 구성하는 재질은 용융온도는 성분플라스틱의 용융온도 보다 높은 최소온도와 동일성분에 대한 열손상의 온도보다 낮은 최대의 온도 사이에 있도록 선택되는 교차점을 갖추는 단계, 와이어를 피복하는 절연층이 용융온도에 이르기까지 가열되며 적어도 저항 와이어의 교차점의 어딘가에서 단락이 야기될때까지 상기 저항기에 전기가 공급되는 단계, 단락뒤의 전압 및/또는 세기의 변화가 검출되는 단계, 및 저항기에 대한 교류의 공급이 차단되는 단계를 특징으로 하는 최적의 가열상태를 검출하고 저항기에 전기적 공급을 차단하는 방법.
  2. 가열 용융 플라스틱으로 만들어진 요소를 위하여 상기 요소의 플라스틱에 적합한 가열 용융 재질을 적어도 부분적으로 구성하며 이러한 동일요소(6,8)의 대응표면(6b,8b)에 연결성분을 접합하기 위한 표면(4b)을 가지는 연결성분에 있어서, 상기 성분(2,40)은 전기적으로 절연재질의 층(13)으로 피복되어 있는 단일 와이어로 형성되며, 성분을 에워싸는 재질의 용융을 발생시켜 상기 성분 및 요소사이에 용접을 야기하기 위하여 상기 연결되는 표면부근에 배열되어 있는 전기저항기(10)로 구성되어 있으며, 피복되어 있는 저항화이어(10)는 와이어 가닥이 겹치는 교차점을 가지며, 와이어의 절연 피복층(13)을 구성하는 재질의 용융온도는 성분의 플라스틱의 용융온도보다 더 높은 최소온도와 이 동일 성분에 대한 열 손상의 온도보다 더 낮은 최대의 온도사이에 있는 것을 특징으로 하는 연결성분.
  3. 제2항에 있어서, 피복된 저항와이어(10)는 서로 교착되어 있는 일련의 고리로 형성되어 있는 갑옷 모양의 형태를 하는 것을 특징으로 하는 연결성분.
  4. 제2항 또는 제3항에 있어서, 전기절연재질의 상기 층(13)은 약 300℃ 내지 350℃까지 전기절연성을 유지하는 것을 특징으로 하는 연결성분.
  5. 제2항 내지 제4항중의 어느 한 항에 있어서, 2개의 전기적 연결단자(12,14)를 가진 타입의 성분(2)의 두께내에서, 상기 단자(12,14)에 피복된 전도성 와이어 (10)의 벗겨져 있는 부분의 전기적 연결은 대향 끝에 있는 이 와이어의 2개의 가닥(11d,11e)에 의하여 이루어지는 것을 특징으로 하는 연결성분.
  6. 제3항 내지 제5항중의 어느 한 항에 있어서, 상기 갑옷형상은 약 0.3㎜내지 직경 및 약 1내지 1사이의 저항을 갖는 구리 와이어로 형성되며 폴리에스테르이미드를 기초로한 전기적 절연층으로 피복되어 있는 것을 특징으로 하는 연결성분.
  7. 제3항 내지 제6항의 어느 한 항에 있어서, 전도성 네트 망상의 면저(S,S′)는 약 4㎟와 80㎟ 내지 100㎟의 사이에 있는 것을 특징으로 하는 연결성분.
  8. 최적의 가열상태를 검출하고 전기 절연재질의 층(13)으로 피복되어 있는 단일 와이어로 형성되어 있으며 성분(2,40)을 구성하는 플라스틱내에 배열되어 있는 저항기에 전기적 공급을 차단하기 위한 장치에 있어서, 피복되어 있는 저항 와이어는 교차점(11a,11b)을 가지며, 와이어의 절연 표면층을 구성하는 재질의 용융온도는 상기 성분(2,40)의 플라스틱 용융온도보다 더 높은 최소온도와 동일성분에 대한 열손상의 온도보다 더 낮은 최대온도 사이에 있으며, 상기 장치는 와이어의 절연 피복층(13)의 용융온도까지 와이어를 가열하기 위하여 피복된 저항 와이어에 전기 에너지를 공급하는 수단(15)과 와이어의 절연피복층의 용융온도에서 상기 저항 와이어 상의 단락을 검출하는 수단(21), 그리고 상기 검출수단(21)이 상기 단락을 검출하였을때 이 저항와이어에 전기공급을 차단하는 차단수단(23)으로 구성되어 있는 것을 특징으로 하는 최적가열상태를 검출하고 저항기에 전기적 공급을 차단하기 위한 장치.
  9. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900019493A 1989-11-29 1990-11-29 열 용접에 의한 플라스틱 요소와의 상호 접합용 커넥터 KR0178381B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8915707A FR2654978B1 (fr) 1989-11-29 1989-11-29 Piece de raccordement du type a resistance electrique perfectionnee pour la reunion par thermosoudage d'elements en matiere plastique.
FR89/15707 1989-11-29

Publications (2)

Publication Number Publication Date
KR910009419A true KR910009419A (ko) 1991-06-28
KR0178381B1 KR0178381B1 (ko) 1999-05-15

Family

ID=9387916

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900019493A KR0178381B1 (ko) 1989-11-29 1990-11-29 열 용접에 의한 플라스틱 요소와의 상호 접합용 커넥터

Country Status (15)

Country Link
US (1) US5141580A (ko)
EP (1) EP0430762B1 (ko)
JP (1) JP2961443B2 (ko)
KR (1) KR0178381B1 (ko)
CN (1) CN1034483C (ko)
AT (1) ATE147322T1 (ko)
CA (1) CA2031032C (ko)
DE (1) DE69029647T2 (ko)
DK (1) DK0430762T3 (ko)
DZ (1) DZ1461A1 (ko)
ES (1) ES2095244T3 (ko)
FR (1) FR2654978B1 (ko)
GR (1) GR3022237T3 (ko)
MC (1) MC2159A1 (ko)
PT (1) PT96015B (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100629757B1 (ko) * 2005-04-19 2006-09-29 심기섭 광학영상을 이용한 광고장치

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5338920A (en) * 1990-11-30 1994-08-16 Metcal, Inc. Method of manufacturing and joining electro-fusion fitting
WO1993019926A1 (en) * 1992-03-30 1993-10-14 United Technologies Corporation Heating means for thermoplastic bonding
FR2690036B1 (fr) * 1992-04-10 1998-10-09 Gaz De France Filet formant resistance, son application au soudage de tubes aboutes et au raccordement transversal de canalisations, ensembles ainsi constitues et prise de branchement electrosoudable ainsi equipee.
FR2692020B1 (fr) * 1992-06-04 1996-01-26 Innoge Sam Raccord thermosoudable pour tubes en un materiau plastique et son procede de fabrication.
US5369248A (en) * 1992-09-01 1994-11-29 Gaz De France Electro-weldable connecting piece having connection terminals and its method of manufacture
FR2695173B1 (fr) * 1992-09-01 1994-10-14 Gaz De France Pièce d'assemblage de type rivet, ensemble constitué par un tel rivet fixé sur une pièce électriquement conductrice, pièces de raccordement équipées d'un tel ensemble et leur procédé de fabrication.
CH687161A5 (de) * 1994-01-10 1996-09-30 Fischer Georg Rohrleitung Elektrisch schweissbares Formteil aus Kunststoff.
US5690769A (en) 1995-08-21 1997-11-25 T-Systems International Method for splicing drip irrigation hoses using splicing means internal to the hoses
US6127662A (en) * 1995-09-20 2000-10-03 Plasson Maagan Michael Industries Ltd Electrofusion method and device
NL1004963C2 (nl) * 1997-01-09 1998-07-13 Astraco Beheer Bv Werkwijze en inrichting voor het met warmte tot stand brengen van een lasverbinding tussen twee voorwerpen van kunststof.
TW371379B (en) * 1997-01-09 1999-10-01 Daifuku Kk Protective device of non-contact feeder system
US6090233A (en) 1998-05-01 2000-07-18 Drip Tape Manufacturers & Engineers, Inc. Irrigation hose splice and method of making same
DE10039192A1 (de) * 2000-08-10 2002-02-28 Pf Schweistechnologie Gmbh Verfahren zum Messen der Schweißspannung an einer Heizwendel eines Heizwendelfittings sowie Heizwendel-Schweißvorrichtung hierfür
WO2002096624A1 (es) * 2001-05-31 2002-12-05 Insonorizantes Pelzer, S.A. Sistema de soldadura eléctrica
US20050252608A1 (en) * 2002-01-09 2005-11-17 Macdonald David M Method for bonding thermoplastic or thermoset polymeric materials utilizing voltage applied to conductive material
JP4398162B2 (ja) * 2002-12-19 2010-01-13 株式会社水研 バルブ挿入工法
US6982051B2 (en) 2003-06-13 2006-01-03 Underground Solutions Technologies Group, Inc. Fusion process for conduit
US7842769B1 (en) 2003-06-13 2010-11-30 Underground Solutions Technologies Group, Inc. Polyvinyl chloride formulations
FR2901173B1 (fr) * 2006-05-17 2009-02-13 Gaz De France Sa Dispositif et procede pour le soudage de deux pieces en polymere par fusion
NZ601449A (en) * 2007-04-13 2014-02-28 Underground Solutions Technologies Group Inc Conduit, manufacture thereof and fusion process therefor
JP2010116929A (ja) * 2007-06-21 2010-05-27 Jaehyun Kim 不断流穿孔用の分岐装置
WO2009042132A1 (en) * 2007-09-24 2009-04-02 Cantex, Inc. Non-metallic raceway for wiring and fiber optic cable and method of forming raceway
CN101441485B (zh) * 2007-11-19 2010-07-28 中国石化扬子石油化工有限公司 淤浆法hdpe装置母液管线输送的温度控制方法
FR2963654B1 (fr) * 2010-08-06 2013-12-13 Saipem Sa Conduite comportant un chemisage interne et un manchon tubulaire de jonction en matiere plastique
EP2801743B1 (de) * 2013-05-07 2017-07-12 TI Automotive (Fuldabrück) GmbH Verfahren zur Verbindung eines Leitungsverbinders mit einer fluidführenden Kraftfahrzeugleitung
CA2829002C (en) 2013-09-27 2020-06-09 G.B.D. Corp. Pipe cutting tool and methods for use
CA2829041C (en) 2013-09-27 2020-06-09 G.B.D. Corp. Pipe sealing tool and methods for use
CA2828855C (en) 2013-09-27 2020-06-09 G.B.D. Corp. Method and apparatus for connecting pipes
CA2829075C (en) 2013-09-27 2020-09-01 G.B.D. Corp. Pipe joining material for connecting pipes
FR3040754B1 (fr) * 2015-09-04 2017-08-25 Biomerieux Sa Dispositif de connexion d'au moins un tuyau d'evacuation d'un produit avec des moyens de reception dudit produit, par exemple issu d'un appareil d'extraction d'acides nucleiques
CN106481925B (zh) * 2016-11-17 2019-05-07 华创天元实业发展有限责任公司 一种用于连接螺旋结构塑料管道的塑料螺旋电熔套筒
CN106757645A (zh) * 2017-03-06 2017-05-31 麦伟成 一种新型的节能钢圈涂覆装置
EP3392025B1 (de) * 2017-04-20 2022-06-22 Georg Fischer Wavin AG Heizelementgeometrie zur verwendung in einem bohrsattel

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1071433B (ko) * 1959-12-17
DE528697C (de) * 1931-07-02 Josef Pella Kochgefaess mit Deckel
US2797296A (en) * 1955-07-25 1957-06-25 Paul L Fowler Electric heater
US2945115A (en) * 1956-07-19 1960-07-12 Edward W Weitzel Knitted hair drying cap
US3061503A (en) * 1956-10-29 1962-10-30 Dow Chemical Co Method of joining pipes by means of an electrically heatable sleeve
US3206899A (en) * 1961-01-09 1965-09-21 Dow Chemical Co Walled structure and method for making the same
DE1440958A1 (de) * 1963-04-19 1969-04-30 Bolta Werk Gmbh Widerstandsheizelement zur Schweissverbindung von thermoplastischen Kunststoffteilen
US3378672A (en) * 1966-03-18 1968-04-16 Susquehanna Corp Insulated, electrical resistance wire and welding sleeve made therefrom
GB2076489B (en) * 1980-05-22 1984-05-16 Secr Defence Pipe repair joint
US4453159A (en) * 1981-09-28 1984-06-05 Thermon Manufacturing Company Self-monitoring heat tracing system
US4581522A (en) * 1981-10-07 1986-04-08 Intermountain Thermafloor, Inc. Electrical heating system including a mesh heating element
US4436986A (en) * 1981-11-23 1984-03-13 Sunbeam Corporation Electric blanket safety circuit
CH658426A5 (de) * 1983-02-04 1986-11-14 Fischer Ag Georg Verfahren zum verschweissen von leitungselementen aus thermoplastischem material und eine dafuer geeignete einrichtung.
MC1581A1 (fr) * 1983-12-02 1985-02-04 Toutelectric Procede pour le controle du temps de soudage
NL8400816A (nl) * 1984-03-14 1985-10-01 Wavin Bv Werkwijze voor het vervaardigen van buismoffen en -fittings, alsmede inrichting voor het uitvoeren van deze werkwijze en buismof of -fitting vervaardigd volgens deze werkwijze.
US4560971A (en) * 1984-09-10 1985-12-24 Littelfuse, Inc. Spiral wound shunt type slow blow fuse
AU585551B2 (en) * 1984-11-29 1989-06-22 Wavin Ag Electrically weldable joining member for application to pipeline parts
US4642155A (en) * 1985-05-16 1987-02-10 Central Plastics Company Thermoplastic fitting electric heat welding method and apparatus
GB8522633D0 (en) * 1985-09-12 1985-10-16 Vecstar Ltd Fault detecting device
DK162588C (da) * 1986-08-28 1992-04-06 Tarco As Fremgangsmaade til sammenfoejning af plastroerender med en plastsvejsemuffe
DE3715377A1 (de) * 1987-05-08 1988-11-24 Hoechst Ag Verfahren zum thermischen verbinden von formteilen und halbzeugen
US4929817A (en) * 1987-07-29 1990-05-29 Mitsui Petrochemical Industries, Ltd. Electrofusion joint

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100629757B1 (ko) * 2005-04-19 2006-09-29 심기섭 광학영상을 이용한 광고장치

Also Published As

Publication number Publication date
DK0430762T3 (da) 1997-01-27
CN1034483C (zh) 1997-04-09
PT96015A (pt) 1992-08-31
PT96015B (pt) 1998-04-30
JPH03213327A (ja) 1991-09-18
FR2654978A1 (fr) 1991-05-31
US5141580A (en) 1992-08-25
EP0430762A3 (en) 1993-04-07
KR0178381B1 (ko) 1999-05-15
MC2159A1 (fr) 1992-04-09
FR2654978B1 (fr) 1992-02-21
GR3022237T3 (en) 1997-04-30
CN1052629A (zh) 1991-07-03
DE69029647D1 (de) 1997-02-20
JP2961443B2 (ja) 1999-10-12
EP0430762A2 (fr) 1991-06-05
DE69029647T2 (de) 1997-04-24
ES2095244T3 (es) 1997-02-16
CA2031032A1 (fr) 1991-05-30
EP0430762B1 (fr) 1997-01-08
CA2031032C (fr) 2001-04-03
ATE147322T1 (de) 1997-01-15
DZ1461A1 (fr) 2004-09-13

Similar Documents

Publication Publication Date Title
KR910009419A (ko) 열 용접에 의한 플라스틱 요소의 상호 접합용 전기 저항기를 가진 연결성분
KR910000829B1 (ko) 가늘고 긴 자동조절 히이터
EP0125913B1 (en) Flexible heating wire
US4574188A (en) Elongate electrical assemblies
US5558794A (en) Coaxial heating cable with ground shield
EP0202896B1 (en) Electrical sheet heaters
US4845343A (en) Electrical devices comprising fabrics
EP0338552A2 (en) Flexible, elongated positive temperature coefficient heating assembly and method
US7566849B2 (en) Self-regulating electrical heating cable
JPS63160189A (ja) 電気加熱アッセンブリおよび電気ヒーター
RU2088048C1 (ru) Электронагревательное устройство и способ формирования стыковочного соединения
US3593002A (en) Sealed tubular electrical resistance heater with ground connection
JP5562678B2 (ja) 感熱線及びその製造方法
US4582983A (en) Elongate electrical assemblies
US6002117A (en) Electric heating cord with non-heating core-conducting element and reduced EMF emissions
CN1898992B (zh) 尤其用于喷塑装置的在表面元件和加热元件上附着电气引线的方法
EP0287898B1 (en) Flexible, elongated thermistor heating cable
JP2007531203A (ja) ヒーティング・ブランケット
EP0092406A2 (en) Elongate electrical heating device and a system comprising such devices
CA1241689A (en) Modular electrical heater
US4659913A (en) Elongate electrical assemblies
EP0802701A2 (en) Variable power limiting heat tracing cable
EP0144187B1 (en) Electrical devices comprising ptc elements
US4791276A (en) Elongate electrical assemblies
CA2089048C (en) Heating cable with enhanced flexibility

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20031029

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee