JPH06270260A - 熱可塑性材からなるパイプ片の溶接法 - Google Patents

熱可塑性材からなるパイプ片の溶接法

Info

Publication number
JPH06270260A
JPH06270260A JP5319771A JP31977193A JPH06270260A JP H06270260 A JPH06270260 A JP H06270260A JP 5319771 A JP5319771 A JP 5319771A JP 31977193 A JP31977193 A JP 31977193A JP H06270260 A JPH06270260 A JP H06270260A
Authority
JP
Japan
Prior art keywords
pipe
welding
inner ring
sleeve
male
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
JP5319771A
Other languages
English (en)
Inventor
Ralph Peter Hegler
ヘーグラー ラルフ・ペーター
Wilhelm Hegler
ヘーグラー ヴィルヘルム
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JPH06270260A publication Critical patent/JPH06270260A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • 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"
    • B29C65/3404—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
    • B29C65/3444—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 ribbon, band or strip
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5064—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like of particular form, e.g. being C-shaped, T-shaped
    • B29C65/5071—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like of particular form, e.g. being C-shaped, T-shaped and being composed by one single element
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5064—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like of particular form, e.g. being C-shaped, T-shaped
    • B29C65/5085—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like of particular form, e.g. being C-shaped, T-shaped and comprising grooves, e.g. being E-shaped, H-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124—Tongue and groove joints
    • B29C66/1244—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124—Tongue and groove joints
    • B29C66/1244—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue
    • B29C66/12441—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue being a single wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124—Tongue and groove joints
    • B29C66/1246—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove
    • B29C66/12463—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove being tapered
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5229—Joining tubular articles involving the use of a socket
    • B29C66/52291—Joining tubular articles involving the use of a socket said socket comprising a stop
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5229—Joining tubular articles involving the use of a socket
    • B29C66/52295—Joining tubular articles involving the use of a socket said socket comprising reinforcements
    • 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
    • B29C66/61—Joining from or joining on the inside
    • B29C66/612—Making circumferential 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
    • B29C66/63—Internally supporting the article during joining
    • B29C66/636—Internally supporting the article during joining using a support which remains in the joined object
    • 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
    • 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
    • F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/0036—Joints for corrugated pipes
    • 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"
    • B29C65/3468—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 means for supplying heat to said heated elements which remain in the join, e.g. special electrical connectors of windings
    • 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
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    • 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
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    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/18—Pleated or corrugated hoses
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/24—Pipe joints or couplings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/46—Molding using an electrical heat
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/013—Electric heat

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Abstract

(57)【要約】 【構成】 特に通信ケーブルや光波ガイドのための保護
パイプとして使用されるべき波形パイプのパイプ片１
２，１３を連結する方法において、おす管切片５ａをお
す管部分５の領域で適切に切断することで形成し、当該
おす管切片５ａを溶接スリーブ１６の凹部２２，２３に
挿入する。当該溶接スリーブ１６は外輪１８と内輪１７
とを有し、内輪１７はめす管部分４を越えて半径方向、
パイプ内へ突出していない。リング１７，１８の少なく
とも一方がおす管切片５ａと溶接される。 【効果】 波形パイプを作るパイプ片の耐媒体性、即
ち、液密性で気密性の連結を達成するような溶接方法が
提供される。

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明は、請求項１の前提部分に
従う、即ち、長手方向中央軸線の方向に交互に連続する
めす管部分とおす管部分並びにこれら両部分を連結する
実質的に半径方向に延びる横腹部を備える波形部分から
なる熱可塑性波形パイプの２つのパイプ片を溶接する方
法に関するものである。
【０００２】
【従来の技術及び発明が解決しようとする課題】通信工
学においては、主にポリエチレンの押し出し成形ソリッ
ドパイプが用いられている。当該パイプはガス管又は水
道管と同様に形成される。当該パイプは溶接スリーブに
よって連結され、しばしば耐媒体性、即ち液密性で気密
性である。当該パイプは収容するケーブルのための保護
機能しか供さないので、所謂波形パイプが少なくともよ
りコストパフォーマンスに優れて同じ機能を果たしう
る。このタイプの波形パイプがその波形パイプの幾何学
的形状によって等しい環状剛性を備えながら４０〜６０
％少ない材料で製造可能だからである。更にこのタイプ
の波形パイプは通信工学での保護パイプとして用いられ
るのに特に適している。なぜなら、その軸線方向におい
て、ケーブルがその相対的位置をその都度めす管部分に
のみ委ねるからである。ケーブル又は光波ガイドがその
ような波形パイプ内に引っ張られる場合に起こる摩擦力
は、ソリッドパイプの場合よりもほぼ３０％低く、その
結果、パイプ片の長さを延長することができ、これは製
造されるべき溶接ジョイントの数を減らすこととなる。
【０００３】しかし、耐媒体性を確実にするそのような
波形パイプの溶接は、その壁厚が比較的薄いために、今
日まで知られていない。
【０００４】本発明の課題は、波形パイプを作るパイプ
片の耐媒体性連結を達成するような一般的タイプの溶接
方法を案出することにある。
【０００５】
【課題を解決するための手段】この課題は請求項１の特
徴部分の構成によって解決される。本発明に従うやり方
によって、機械的に堅固でフラットな溶接が各パイプ片
の自由端をそれぞれ形成するおす管部分と溶接スリーブ
の少なくとも外輪又は内輪との間で生じる。溶接スリー
ブの内輪はめす管部分を越えて半径方向内側へ波形パイ
プ内に突き出ず、溶接ジョイントの近傍でもケーブルや
光波ガイドを引っぱる再の邪魔にならない。特に発明性
のある別の改良は下記する実施の態様に記載されてい
る。
【０００６】本発明の更なる特徴、利点及び詳細は、図
面に関連した実施例の確かな記載から明らかになる。
【０００７】
【実施例】図１に、所謂波形パイプ１の、換言すれば、
例えばポリエチレン、ポリプロピレン等の溶接可能なプ
ラスチックからなるパイプの部分断面が示される。波形
パイプ１は長手方向中央軸線を有し、これと同心状に波
形パイプ１は波形部分３を備える。当該部分は、軸線２
に対して同心状に延在する実質的に環状のシリンダ形状
めす管部分４と、同じく軸線２に対して同心状に延在す
る実質的に環状のシリンダ形状に形成されたおす管部分
５とを有する。めす管部分４は、軸線２に対してほぼ半
径方向に延在する横腹部６又は７を介して隣接のおす管
部分５と連結する。おす管部分５とこれに相接する横腹
部６、７との間に、めす管部分４に対して（軸線２から
見て）半径方向外側にえぐれた窪み部８が形成される。
波形パイプ１全体は、ホースとして連続的に押し出さ
れ、所謂真空方法又は所謂吹き込み方法又は真空・吹き
込み方法にしたがって、エンドレスに移動する校正装置
上で波形形状となる。このタイプの校正装置は例えばド
イツ特許第１２０３９４０号公報及び第１２１１７８９
号公報（英国特許第９７１０２１号公報に相当する）か
ら公知である。
【０００８】パイプがエンドレスに製造され、しかしエ
ンドレスに搬送できず、しかもそのようなパイプ内にケ
ーブルを引き込む目的に関してパイプ片の長さが限定さ
れるので、エンドレスな波形パイプ１は、分割されなけ
ればならない。これは、ブレード９によって波形パイプ
１がめす管部分４と当該部分に相接した横腹部６、７の
両側のカット１０、１１で分割され、その結果、（図２
から認識されるように）生じたパイプ片１２、１３がそ
の自由端で、軸線に対して半径方向に延在するフロント
表面を備えた環状のシリンダ形状おす管切片５ａを有す
ることとなる。（他のものと位置調整して配置されたパ
イプ片１２、１３と共に）フロント表面は相互に直に隣
接し、換言すれば、等しい内径ｄと等しい外径Ｄとを有
する。
【０００９】このタイプの２つのパイプ片１２、１３を
連結する目的で、溶接スリーブ１６が図２〜４にしたが
う実施例において備えられ、当該スリーブは、ほぼシリ
ンダ状の内輪１７と、距離をおいて当該内輪１７を取り
囲み同様にほぼシリンダ状の外輪１８とからなってい
る。これらは順に中間ウエブ１９によって一体的に相互
連結される。溶接スリーブ１６は波形パイプ１と同じ材
料、例えばポリエチレンからなっている。
【００１０】外輪１８と内輪１７の間に、フロント面２
０、２１の方向に開いた２つの環状凹部２２、２３が形
成され、当該凹部２２、２３は中間ウエブ１９の方向に
僅かに窄んで形成されている。中間ウエブ１９とフロン
ト面２０又は２１のそれぞれとの間の近傍で、最大の径
がＤで、最小の径がｄで、フロント表面１４、１５を有
するおす管切片５ａを備えた２つのパイプ片１２、１３
を凹部２２、２３へ挿入する際、おす管切片５ａは、図
３に示された位置、即ちフロント表面１４、１５が中間
ウエブ１９からなお隔たっている位置に達する。
【００１１】溶接スリーブ１６の外輪１８に、連結線２
５を介して電源と連結された電気抵抗加熱部２４が配設
されている。この抵抗加熱部２４を加熱する際に、外輪
１８の素材と幾分中間ウエブ１９とは溶融する。更に、
おす管切片５ａの、凹部２２、２３に位置し外輪１８に
接した要素領域は可塑化する。しかしながら溶接スリー
ブ１６の内輪１７は可塑化しない。加熱し可塑化する又
は溶融するプロセス中、２つのパイプ片１２、１３が矢
印２６、２７に従って相互に向かう方向で押圧される
と、凹部２２、２３に位置したおす管切片５ａはこれら
凹部２２、２３内に十分押し込まれ、この場合にこれら
切片は、凹部２２、２３の全長にわたって当該凹部に挿
入するように変形し、これらのフロント表面１４、１５
が（いまや変化した形状で）中間ウエブ１９に接し図４
で認識されるように当該ウエブとも溶接する。図４で更
に認識されるところとしては、溶接スリーブ１６と共に
溶接したおす管切片５ａが、溶接スリーブ１６の外側、
各々隣接する横腹部６又は７に移行する箇所で僅かにア
プセットな部分２８を有する。図４に示される２つパイ
プ片１２、１３の溶接スリーブ１６との連結が達成され
た後、電流が切られ、可塑化したプラスチック物はこの
位置で固まり、これによって２つのパイプ片１２、１３
の耐媒体性の、換言すれば液密性で気密性の溶接が達成
される。溶接スリーブ１６の内輪１７が熱せられないの
で、当該内輪は溶接圧の下でも矢印２６、２７の方向に
変形しない。特に図４から認められるように、内輪１７
はめす管部分４を越えて半径方向内側に突き出ない。
【００１２】図５に示された溶接スリーブ１６’は図２
〜４に示されたスリーブと、内輪１７’に全面的に嵌め
込まれ例えば金属でなる環状の補剛嵌め込み材２９が内
輪１７’内に配設されている点のみで相違する。当該補
剛嵌め込み材２９によって、内輪１７’の、それ故溶接
スリーブ１６’全体での剛性は、温度負荷の間、換言す
れば溶接の間、高められる。図２〜４に係る実施例と較
べて、その場合も著しい剛性が内輪１７を加熱しないた
めに維持されるけれども、この剛性はより高い。
【００１３】図６に係る実施例において、溶接スリーブ
１６’は電気的抵抗の加熱部を備えず、換言すれば、そ
の外輪１８''も波形パイプ１の材料のみからなる。電気
的抵抗の加熱部３０は、その１つのパイプ片１２のみ示
された各パイプ片毎に備えられる。この電気的抵抗の加
熱部３０は、抵抗線材からなり図６から認識されるよう
にＵ形状に折られたヒータ帯３１によって形成される。
このようにして、パイプ片１２のフロント表面１４を介
してそのおす管切片５ａに押される。このおす管切片５
ａは電気的抵抗の加熱部３０と共に、溶接スリーブ１
６''の環状凹部２２''内に押し込まれ、その外輪１８''
は抵抗加熱部３０の連結線３３のための切り抜き部３２
を有する。図６から認識されるように、対応する切り抜
き部３２が別の環状凹部２３''にも関連する。各凹部２
２''又は２３''の中央領域でその都度、最大径Ｄ''と最
小の関連径ｄ''はそれぞれ、おす管切片５ａの対応する
それぞれの径Ｄ又はｄよりも、僅かに大きいか、僅かに
小さい電気的抵抗の加熱部３０によって更に拡大されて
いるか減少されているからである。この例で、溶接スリ
ーブ１６''のそれぞれ凹部２２''又は２３''の境界を設
定するおす管切片５ａと壁部分との相互に係止する表面
領域は、抵抗加熱部３０によって直接可塑化される。溶
接スリーブ１６''の剛性は、この場合、外輪１８''の外
側領域によって残り、内輪１７''の内側領域は熱せられ
ないか、僅かに熱せられるだけで、それ故可塑化しな
い。
【００１４】溶接スリーブ１６又は１６’又は１６''に
よって連結されるパイプ片１２、１３からなるパイプ
が、溶接スリーブ１６、１６’、１６''の外輪１８、１
８''が波形部分３を越えて突き出てはならない場所で、
挿入されるか取り付けられることがあってもよい。その
ような場合にこの外輪１８又は１８''は溶接プロセス五
にはぎ取られなければならない。そのような場合に申し
分のない溶接をそれにもかかわらず達成するために、溶
接は図６に従ってもたらされてもよい。この場合も内輪
１７''がおす管切片５ａと溶接されるので、溶接がなさ
れた後に外輪１８''ははぎ取られる。しかしながら、図
７に従う溶接スリーブ１６''' も使用可能で、これは図
２〜４に従う溶接スリーブ１６と、電気的抵抗の加熱部
２４''' が内輪１７''' に形成され、そのような加熱部
が外輪１８''' 内に配置されていない点のみが異なる。
この場合、外輪１８''' は溶接プロセス中、必要な剛性
を溶接スリーブ１６''' に与える役割を引き受ける。こ
の外輪１８''' はそして溶接プロセス後、はぎ取られ
る。
【００１５】次に、本発明の実施の態様を列記する。
【００１６】（１）２つの凹部２２，２３；２２，''２
３''を分ける中間ウエブ１９によって連結される内輪１
７，１７' ，１７''，１７''' と外輪１８，１８''，１
８'''とを有する溶接スリーブ１６，１６' ，１６''，
１６''' を用いることを特徴とする請求項１に記載の方
法。
【００１７】（２）その外輪１８に電気的抵抗加熱部２
４が配置された溶接スリーブ１６を用いることを特徴と
する請求項１又は上記（１）に記載の方法。
【００１８】（３）その内輪１７''' に電気的抵抗加熱
部２４''' が配置された溶接スリーブ１６''' を用いる
ことを特徴とする請求項１又は上記（１）に記載の方
法。
【００１９】（４）その内輪１７' が補剛嵌め込み材２
９を備えた溶接スリーブ１６' を用いることを特徴とす
る請求項１又は上記（１）若しくは（２）のいずれか一
項に記載の方法。
【００２０】（５）溶接スリーブ１６''から分離された
抵抗加熱部３０が用いられ、当該加熱部３０は各凹部２
２，''２３''に挿入されるようにおす管切片５ａ上に配
設されていることを特徴とする請求項１又は上記（１）
に記載の方法。
【００２１】（６）その環状凹部２２，２３；２２，''
２３''が、溶接スリーブ１６，１６'，１６''，１６'''
のフロント面２０，２１から中間ウエブ１９に向かい
僅かに窄んでいる溶接スリーブ１６，１６' ，１６''，
１６''' を用いることを特徴とする上記（１）〜（５）
のいずれか一項に記載の方法。
【００２２】
【発明の効果】本発明によって、波形パイプを作るパイ
プ片の耐媒体性、即ち、液密性で気密性の連結を達成す
るような溶接方法が提供される。
【図面の簡単な説明】
【図１】波形パイプの部分的長手方向断面図である。
【図２】溶接スリーブと共に波形パイプを形成する２個
のパイプ片の連結前の部分的長手方向断面図である。
【図３】加熱加圧の開始時での共に押された後の、図２
に係るパイプ片と溶接スリーブの部分的長手方向断面図
である。
【図４】加熱加圧の終了時での図２及び図３に係るパイ
プ片と溶接スリーブの部分的長手方向断面図である。
【図５】溶接スリーブの別の構成の部分的長手方向断面
図である。
【図６】溶接スリーブと当該スリーブと分離して加熱す
る電気抵抗とを備えたパイプ片の部分的長手方向断面図
である。
【図７】溶接スリーブの更に別の構成の部分的長手方向
断面図である。
【符号の説明】
２ 調整軸線 ５ａ パイプ切片 １２、１３ パイプ片 １４、１５ フロント表面 １６ 溶接スリーブ １７ 内輪 １８ 外輪 ２２ 環状凹部

Claims (1)

    【特許請求の範囲】
  1. 【請求項１】 長手方向中央軸線の方向に交互に連続す
    るめす管部分（４）とおす管部分（５）並びにこれら両
    部分を連結する実質的に半径方向に延びる横腹部（６，
    ７）を備える波形部分（３）からなる熱可塑性波形パイ
    プの２つのパイプ片を溶接する方法において、シリンダ
    形状のおす管切片（５ａ）で各々１つのフロント表面
    （１４，１５）で終端する２つのパイプ片（１２，１
    ３）が使用され、当該パイプ片（１２，１３）は、その
    おす管切片（５ａ）が、熱可塑性材の溶接スリーブ（１
    ６，１６’，１６''，１６''' ）の環状凹部（２２，２
    ３；２２''，２３''）に押し込まれて、当該スリーブ
    （１６，１６’，１６''，１６''' ）が、外輪（１８，
    １８''，１８''' ）と内輪（１７，１７' ，１７''，１
    ７'''）とによって当該スリーブに収容された各おす管
    切片（５ａ）を部分的に取り囲み、一方で外輪（１８，
    １８''，１８''' ）及び／又は内輪（１７，１７' ，１
    ７''，１７''' ）が、他方でおす管切片（５ａ）が、少
    なくとも相互に隣接する領域で可塑化し、可塑化プロセ
    ス中に、環状凹部（２２，２３；２２''，２３''）が可
    塑変形したおす管切片（５ａ）で少なくとも概ね満たさ
    れるまで、パイプ片（１２，１３）は調整軸線（２）の
    方向で互いに向かうように押圧され、そして電流が止め
    られ、おす管切片（５ａ）は冷却によって溶接スリーブ
    （１６，１６’，１６''，１６''' ）と連結することを
    特徴とするパイプ片の溶接法。
JP5319771A 1993-03-11 1993-12-20 熱可塑性材からなるパイプ片の溶接法 Pending JPH06270260A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4307704A DE4307704A1 (de) 1993-03-11 1993-03-11 Verfahren zum Verschweißen von aus thermoplastischem Kunststoff bestehenden Rohrstücken
DE4307704.8 1993-03-11

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JPH06270260A true JPH06270260A (ja) 1994-09-27

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US (1) US5489403A (ja)
EP (1) EP0619176B1 (ja)
JP (1) JPH06270260A (ja)
KR (1) KR940021238A (ja)
CN (1) CN1096247A (ja)
AT (1) ATE186250T1 (ja)
CA (1) CA2116264A1 (ja)
DE (2) DE4307704A1 (ja)

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KR20030012432A (ko) * 2001-08-01 2003-02-12 박기종 합성수지관용 이음관
KR20030037930A (ko) * 2001-11-07 2003-05-16 박기종 관 연결구
CN103624974A (zh) * 2013-09-11 2014-03-12 丹阳金城配件有限公司 一种塑料焊接机
CN103624974B (zh) * 2013-09-11 2015-12-02 丹阳金城配件有限公司 一种塑料焊接机

Also Published As

Publication number Publication date
EP0619176B1 (de) 1999-11-03
DE4307704A1 (de) 1994-09-15
CA2116264A1 (en) 1994-09-12
DE59408868D1 (de) 1999-12-09
EP0619176A2 (de) 1994-10-12
CN1096247A (zh) 1994-12-14
US5489403A (en) 1996-02-06
KR940021238A (ko) 1994-10-17
EP0619176A3 (en) 1996-02-07
ATE186250T1 (de) 1999-11-15

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