JPH0260730A - Connection part of plastic pipe and connection of said pipe - Google Patents
Connection part of plastic pipe and connection of said pipeInfo
- Publication number
- JPH0260730A JPH0260730A JP63213446A JP21344688A JPH0260730A JP H0260730 A JPH0260730 A JP H0260730A JP 63213446 A JP63213446 A JP 63213446A JP 21344688 A JP21344688 A JP 21344688A JP H0260730 A JPH0260730 A JP H0260730A
- Authority
- JP
- Japan
- Prior art keywords
- polyethylene
- socket
- hot wire
- connection part
- pipes
- 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
Links
- 229920003023 plastic Polymers 0.000 title claims abstract description 22
- 239000004033 plastic Substances 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 claims description 22
- 238000003466 welding Methods 0.000 claims description 9
- 238000002788 crimping Methods 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 239000004698 Polyethylene Substances 0.000 abstract description 53
- 229920000573 polyethylene Polymers 0.000 abstract description 53
- -1 polyethylene Polymers 0.000 abstract description 52
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 239000002184 metal Substances 0.000 abstract description 3
- 238000005452 bending Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 2
- SEPPVOUBHWNCAW-FNORWQNLSA-N (E)-4-oxonon-2-enal Chemical compound CCCCCC(=O)\C=C\C=O SEPPVOUBHWNCAW-FNORWQNLSA-N 0.000 description 1
- LLBZPESJRQGYMB-UHFFFAOYSA-N 4-one Natural products O1C(C(=O)CC)CC(C)C11C2(C)CCC(C3(C)C(C(C)(CO)C(OC4C(C(O)C(O)C(COC5C(C(O)C(O)CO5)OC5C(C(OC6C(C(O)C(O)C(CO)O6)O)C(O)C(CO)O5)OC5C(C(O)C(O)C(C)O5)O)O4)O)CC3)CC3)=C3C2(C)CC1 LLBZPESJRQGYMB-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
- B29C65/2053—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" characterised by special ways of bringing the welding mirrors into position
- B29C65/2061—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" characterised by special ways of bringing the welding mirrors into position by sliding
-
- 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
- B29C65/342—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
- B29C65/3432—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 comprising several wires, e.g. in the form of several independent 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
- B29C65/72—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by combined operations or combined techniques, e.g. welding and stitching
-
- 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
-
- 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
- B29C66/11—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
- B29C66/114—Single butt joints
- B29C66/1142—Single butt to butt 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
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
- B29C66/1222—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a lapped joint-segment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
- B29C66/1224—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a butt joint-segment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- B29C66/52292—Joining tubular articles involving the use of a socket said socket comprising a stop said stop being internal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5229—Joining tubular articles involving the use of a socket
- B29C66/52291—Joining tubular articles involving the use of a socket said socket comprising a stop
- B29C66/52294—Joining tubular articles involving the use of a socket said socket comprising a stop said stop being heated
-
- 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
- B29C66/52298—Joining tubular articles involving the use of a socket said socket being composed by several elements
-
- 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
- B29C66/634—Internally supporting the article during joining using an inflatable core
-
- 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
- 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
- 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
- B29C66/5223—Joining tubular articles for forming corner connections or elbows, e.g. for making V-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
- B29C66/70—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
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
- B29C66/824—Actuating mechanisms
- B29C66/8242—Pneumatic or hydraulic drives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はプラスチック管の接続部およびその接続方法に
関し、特に、送水管、電線管等に適用できるプラスチッ
ク管の接続部およびその接続方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a plastic pipe connection part and a method for connecting the same, and more particularly to a connection part for plastic pipes and a connection method thereof that can be applied to water pipes, electric conduit pipes, and the like.
従来のプラスチック管の接続方法として、例えば、熱線
ソケット方法とバット溶着方法がある。Conventional methods for connecting plastic pipes include, for example, a hot wire socket method and a butt welding method.
（イ）熱線ソケット方法
接続されるポリエチレン管の外径に略等しい内径を有す
るポリエチレンソケットの内面あるいは内面に近接した
位置に熱線（ヒータｖＡ）をコイル状に設けた熱線ソケ
ットを使用する。この熱線ソケットをポリエチレン管の
接続部の外周に被嵌し、熱線に所定の電流を流すことに
よって熱線ソケットの内面とポリエチレン管の外面を溶
融し、両溶融面を溶着した後冷却（自然放置を含む）す
る。このとき熱線ソケットの外周より金属ハンドで固定
して溶着面に所定の圧力を加える。(a) Hot-wire socket method A hot-wire socket is used in which a hot wire (heater vA) is provided in a coiled manner on the inner surface of a polyethylene socket having an inner diameter approximately equal to the outer diameter of the polyethylene pipe to be connected, or at a position close to the inner surface. This hot wire socket is fitted over the outer periphery of the connection part of the polyethylene pipe, and by passing a predetermined current through the hot wire, the inner surface of the hot wire socket and the outer surface of the polyethylene pipe are melted, and after welding both molten surfaces, they are cooled (leave them naturally). including). At this time, the hot wire socket is fixed from the outer periphery with a metal hand and a predetermined pressure is applied to the welding surface.
（＋１）バット溶着方法
接続されるポリエチレン管の端面を清浄にした後加熱板
等で溶融し、両溶融端面を圧着した後冷却（自然放置を
含む）する。(+1) Butt welding method The end faces of the polyethylene pipes to be connected are cleaned and melted using a heating plate, etc., and both fused end faces are crimped and then cooled (including leaving them naturally).
以上の接続方法りこより単位長のポリエチレン管を接続
することにより所定の長さの連続ポリエチレン管を得る
ことができる。By connecting polyethylene pipes of unit length using the above connection method, a continuous polyethylene pipe of a predetermined length can be obtained.
しかし、従来のポリエチレン管の接続部は、例えば、ド
ラム巻、コイル取り等によって曲げると、ポリエチレン
管本体に比較して機械的強度が低（、所定の曲げ強度が
得られていない。そのために信頼性が低い。また、曲げ
強度だけを大にすると、可撓性が低下する。However, when conventional polyethylene pipe connections are bent, for example by drum winding, coiling, etc., their mechanical strength is low compared to the polyethylene pipe body (and the specified bending strength cannot be obtained. In addition, increasing only the bending strength lowers the flexibility.
従って、本発明の目的はプラスチック管本体に比較して
路間等の機械的強度を有したプラスチック管の接続部お
よび接続方法を提供することにある。Accordingly, an object of the present invention is to provide a connecting portion and a connecting method for plastic pipes that have mechanical strength such as between paths compared to a plastic pipe main body.
本発明は上記の目的を実現するため、プラスチック管の
端面を溶着した第１の接続部と、プラスチック管の端部
の外面とその外面に位置するソケットの内面を溶着した
第２の接続部とを備えたプラスチック管の接続方法を提
供する。In order to achieve the above object, the present invention has a first connecting part in which the end face of a plastic pipe is welded, and a second connecting part in which the outer surface of the end of the plastic pipe and the inner surface of a socket located on the outer surface are welded. Provides a method for connecting plastic pipes with
更に、前記第１の接続部をバット溶着方法により形成し
、前記第２の接続部を熱線ソケット方法により形成する
プラスチック管の接続方法を提供する。Furthermore, there is provided a method for connecting plastic pipes, in which the first connection part is formed by a butt welding method, and the second connection part is formed by a hot wire socket method.
第８図において、ポリエチレン管１０．２０をポリエチ
レンスリーブ３０によって接続した接続部を検討する。In FIG. 8, consider a connection in which polyethylene pipes 10.20 are connected by means of a polyethylene sleeve 30.
ポリエチレン管１０．２０の外面とポリエチレンスリー
ブ３０の内面を溶着あるいは接着剤で接着して接続部を
形成する。The outer surface of the polyethylene pipe 10.20 and the inner surface of the polyethylene sleeve 30 are bonded together by welding or adhesive to form a connection.
この接続部を曲率Ｒで曲げると、曲げ剛性が変化する点
Ｐ＋、Ｐｚに曲げ応力が集中する。When this connection is bent with a curvature R, bending stress is concentrated at points P+ and Pz where the bending rigidity changes.
曲げ応力の集中を緩和するためにはＰＩ、Ｐ２の曲げ剛
性の変化率を小さくすれば良い。この変化率を小さくす
るためにはポリエチレンスリーブ３０の厚さを小にしな
ければならない。In order to alleviate the concentration of bending stress, it is sufficient to reduce the rate of change in the bending rigidity of PI and P2. In order to reduce this rate of change, the thickness of the polyethylene sleeve 30 must be reduced.
しかし、ポリエチレンスリーブの厚さを小にすると接続
部の機械的強度、特に点Ｐ、の機械的強度が低下する。However, reducing the thickness of the polyethylene sleeve reduces the mechanical strength of the connection, particularly at point P.
従って、ポリエチレンスリーブ３０は所定の厚さを有し
なければならない。Therefore, the polyethylene sleeve 30 must have a certain thickness.
本発明は以上の検討結果に基づくものである。本発明は
点Ｐ２の曲げ剛性の変化を殆ど無視できるようにするた
めにポリエチレン管１０、２０の端面同志を溶着してポ
リエチレン管本体と路間等にする。これによって点Ｐ２
における曲げ応力の集中を殆ど無視できるようにする。The present invention is based on the above study results. In the present invention, the end faces of the polyethylene pipes 10 and 20 are welded together to form a space between the polyethylene pipe body and the passageway, etc., so that the change in bending rigidity at point P2 can be almost ignored. This allows point P2
The concentration of bending stress at can be almost ignored.
更に、必要に応じて点Ｐ、においてポリエチレンスリー
ブ３０にテーバを付するとそこに集中する曲げ応力をも
緩和することができる。Furthermore, if the polyethylene sleeve 30 is tapered at point P, if necessary, the bending stress concentrated there can be alleviated.
以下、本発明のプラスチック管の接続部およびその接続
方法を詳細に説明する。Hereinafter, the plastic pipe connection part and the connection method of the present invention will be explained in detail.
第１図は本発明の接続部の第１の実施例を示し、ポリエ
チレン管１，２の端面がバット接続部３によって接続さ
れており、更に、熱線４を有するポリエチレンソケット
５によってその外周より接続されてる。FIG. 1 shows a first embodiment of the connection part of the present invention, in which the end faces of polyethylene pipes 1 and 2 are connected by a butt connection part 3, and further connected from the outer periphery by a polyethylene socket 5 having a hot wire 4. It's been done.
第２図は本発明の接続部の第２の実施例を示し、第１の
実施例のポリエチレンソケット５の両端部の外周面６を
切削してそこにテーパ面を形成したものである。FIG. 2 shows a second embodiment of the connecting portion of the present invention, in which the outer circumferential surface 6 of both ends of the polyethylene socket 5 of the first embodiment is cut to form a tapered surface.
第３図は本発明の接続部の第３の実施例を示し、予めテ
ーパ面７を有するポリエチレンソケット５を使用したも
のである。FIG. 3 shows a third embodiment of the connecting portion of the present invention, in which a polyethylene socket 5 having a tapered surface 7 in advance is used.
第４図は本発明の接続部の第４の実施例を示し、コルゲ
ート状の外周面８を有するポリエチレンソケット５を使
用したものである。FIG. 4 shows a fourth embodiment of the connecting portion of the present invention, in which a polyethylene socket 5 having a corrugated outer peripheral surface 8 is used.
第５図（ａ）は本発明の接続部の第５の実施例を示し、
バット接続部３によって接続されたポリエチレン管１．
２の内外の面に熱線４を有するポリエチレンソケット５
と熱線１４を有するポリエチレンソケット１５とによっ
て接続したものである。この場合、ポリエチレンソケッ
ト１５は長さ、厚さともにポリエチレンソケット５より
小にする。これによって接続部の曲げ特性の低下を抑え
ながら機械的強度の増加を図る。FIG. 5(a) shows a fifth embodiment of the connecting part of the present invention,
Polyethylene pipes 1 connected by butt connections 3.
Polyethylene socket 5 with hot wires 4 on the inner and outer surfaces of 2
and a polyethylene socket 15 having a hot wire 14. In this case, the polyethylene socket 15 is smaller in length and thickness than the polyethylene socket 5. This increases the mechanical strength while suppressing the deterioration of the bending properties of the connection portion.
第５図（ｂ）は本発明の接続部の第６の実施例を示す。FIG. 5(b) shows a sixth embodiment of the connecting portion of the present invention.
この実施例では、熱線４を有するポリエチレンソケット
５は内面に突出した突出部５Ａを有し、その両側面にも
熱線４が配置されている。従って、ポリエチレン管１．
２の端面と突出部５Ａの両側面は熱線４の発熱によって
溶着し、バット接続部３ａ、３ｂを形成する。この実施
例は、−工程によってバット接続部とスリーブ接続部を
形成することができる。In this embodiment, a polyethylene socket 5 having a hot wire 4 has a protrusion 5A protruding from the inner surface, and hot wires 4 are also arranged on both sides of the protrusion 5A. Therefore, polyethylene pipe 1.
2 and both side surfaces of the protruding portion 5A are welded together by heat generated by the hot wire 4 to form butt connecting portions 3a and 3b. In this embodiment, the butt connection and the sleeve connection can be formed by a step.
第６図（ａｌ、 （ｂ）は本発明の接続方法の実施例を
示す。まず、ベース部材６１の上をスライドするスライ
ド部材６２．６３にポリエチレン管１゜２を固定する。6(al) and (b) show an embodiment of the connection method of the present invention. First, the polyethylene pipe 1.degree. 2 is fixed to the slide members 62, 63 that slide on the base member 61. FIG.
スライド部材６２．６３は二つ割りの固定部材６４．６
５を有し、ボルト６６、６７によって締め付けることに
よってポリエチレン管１，２を固定する。ベース部材６
１は第３のスライド部材６８を有し、その上に着脱可能
な加熱装置６９が設けられている。ポリエチレン管１の
外周にポリエチレンより成る熱線ソケット５が予め通さ
れており、ポリエチレン管２の外周には熱線ソケット５
の一端を位置させる標識２Ａを付しておく。加熱装置６
９の電源（図示せず）をオンすると加熱装置６９の加熱
板（図示せず）は所定の温度に上昇する。The sliding member 62.63 is a fixed member 64.6 divided into two parts.
5, and the polyethylene pipes 1 and 2 are fixed by tightening with bolts 66 and 67. Base member 6
1 has a third slide member 68, on which a removable heating device 69 is provided. A hot wire socket 5 made of polyethylene is passed through the outer periphery of the polyethylene pipe 1 in advance, and a hot wire socket 5 made of polyethylene is passed through the outer periphery of the polyethylene pipe 2 in advance.
A marker 2A is attached to locate one end of. Heating device 6
When the power supply 9 (not shown) is turned on, the heating plate (not shown) of the heating device 69 rises to a predetermined temperature.
次に、スライド部材６２．６３を油圧機構（図示せず）
によって矢印方向にスライドさせると、ポリエチレン管
１，２の端面ば加熱板に押し付けられ、溶融させられる
。この後、ポリエチレン管１．２を反対方向にスライド
させて加熱袋Ｗ６９をスライド部材６８より取り外す。Next, slide members 62 and 63 are connected to a hydraulic mechanism (not shown).
When the polyethylene tubes 1 and 2 are slid in the direction of the arrow, the end surfaces of the polyethylene tubes 1 and 2 are pressed against the heating plate and melted. Thereafter, the heating bag W69 is removed from the slide member 68 by sliding the polyethylene pipe 1.2 in the opposite direction.
次に、ポリエチレン管１，２を再び矢印方向にスライド
させると、溶融させられた端面同志が溶着してバット接
続部を形成する。この後、熱線ソケット５をポリエチレ
ン管２の標識２Ａの位置までスライドさせる。この状態
で熱線のリード線７１．７２を電圧電流調整器７３の端
子７３Ａ、７３Ｂに接続し、所定の電圧を印加して所定
の電流を所定の時間通電する。これによって熱線ソケッ
ト５がポリエチレン管１．２の外周に溶着する。このと
き、熱線ソケット５の外周に金属バンドが締められるが
図示を省略した。この後、通電を停止し、所定の時間放
置して冷却し、接続部を形成する。Next, when the polyethylene pipes 1 and 2 are slid again in the direction of the arrow, the melted end surfaces are welded together to form a butt connection. Thereafter, the hot wire socket 5 is slid to the position of the mark 2A on the polyethylene pipe 2. In this state, the hot wire lead wires 71 and 72 are connected to the terminals 73A and 73B of the voltage/current regulator 73, a predetermined voltage is applied, and a predetermined current is passed for a predetermined time. This causes the hot wire socket 5 to be welded to the outer periphery of the polyethylene tube 1.2. At this time, a metal band is tightened around the outer periphery of the hot wire socket 5, but is not shown. After that, the power supply is stopped, and a predetermined period of time is left to cool down, thereby forming a connection part.
この後、ポル）６６、６７を緩めて固定部材６４゜６５
から接続されたポリエチレン管１，２を取り外して作業
を終了する。After this, loosen the pins 66 and 67 and fix the fixing members 64°65
The work is completed by removing the polyethylene pipes 1 and 2 connected from the pipe.
第７図は第５図（ａ）の実施例に対応する接続方法を示
し、熱線ソケット１５のリード線８１゜８２をバット接
続部３を介して外部に引き出すことにより熱線ソケット
１５をバット接続部３のポリエチレン管１．２の内面に
溶着し、その後、その外周に熱線ソケット５をスライド
させ、前述した方法で溶着させる。この場合、ポリエチ
レン管１，２の外部より溶着のための圧力を加えれば良
い。FIG. 7 shows a connection method corresponding to the embodiment of FIG. 5(a), in which the hot wire socket 15 is connected to the butt connection portion by pulling out the lead wires 81 and 82 of the hot wire socket 15 to the outside through the butt connection portion 3. 3 to the inner surface of the polyethylene pipe 1.2, then the hot wire socket 5 is slid onto the outer periphery and welded by the method described above. In this case, pressure for welding may be applied from the outside of the polyethylene pipes 1 and 2.
以上の実施例では、ポリエチレン管について説明してき
たが、これに限定するものではなく、塩化ビニルその他
の材料の管にも適用することができる。In the above embodiments, polyethylene pipes have been described, but the invention is not limited to this, and the present invention can also be applied to pipes made of vinyl chloride or other materials.
以上説明した通り、本発明のプラスチック管の接続部お
よびその接続方法によると、プラスチック管の端面を溶
着した第１の接続部と、プラスチック管の端部の外面と
その外面に位置するソケットの内面を溶着した第２の接
続部を備え、また、本発明のプラスチック管の接続方法
によると、前記第１の接続部をバット溶着により形成し
、前記第２の接続部を熱線ソケット方法により形成する
ため、接続部の機械的強度を増加し、信頼性を向上す４
゜
ることができる。As explained above, according to the plastic pipe connection part and the connection method of the present invention, the first connection part in which the end face of the plastic pipe is welded, the outer surface of the end of the plastic pipe, and the inner surface of the socket located on the outer surface. Further, according to the plastic pipe connecting method of the present invention, the first connecting part is formed by butt welding, and the second connecting part is formed by a hot wire socket method. This increases the mechanical strength of the connection and improves reliability4.
゜Can be done.
第１図より第４図は本発明の接続部の第１より第４の実
施例を示す断面図。第５図（ａｌ・（ｂ）は本発明の接
続部の第５および第６の実施例を示す断面図。第６図（
ａｌ、 （ｂ）は本発明の接続方法を示す説明図。第７
図は第５図（ａ）の接続方法を示す断面図。第８図は接
続部の曲げ応力の集中を説明する断面図。
符号の説明
１ 、 ２−一−−−−−−・ポリエチレン管３−・−
・−−−−−バット接続部
４−−−−−−−−一熱線
５−・−一−−−−熱線ソケソト1 to 4 are sectional views showing first to fourth embodiments of the connecting portion of the present invention. Fig. 5(al) and (b) are sectional views showing fifth and sixth embodiments of the connecting portion of the present invention. Fig. 6(al)
al. (b) is an explanatory diagram showing the connection method of the present invention. 7th
The figure is a sectional view showing the connection method shown in FIG. 5(a). FIG. 8 is a sectional view illustrating the concentration of bending stress at the connection portion. Explanation of symbols 1, 2-1-----Polyethylene pipe 3--
・------Butt connection part 4--------- One hot wire 5--- One ----- Hot wire socket
Claims (2)
た第１の接続部と、 前記プラスチック管の端部外面とその外面に位置するソ
ケットの内面とを溶着した第２の接続部とを備えたこと
を特徴とするプラスチック管の接続部。(1) A first connecting portion in which the end surfaces of plastic pipes are butted together and welded; and a second connecting portion in which the outer surface of the end of the plastic tube and the inner surface of a socket located on the outer surface are welded. A plastic pipe connection featuring:
圧力で圧着してバット接続部を形成する工程と、 前記バット接続部の外面に熱線を有したソケットを被嵌
し、その外面とソケットの内面を熱線の発熱によって溶
着して熱線ソケット接続部を形成する工程を備えたこと
を特徴とするプラスチック管の接続方法。(2) A step of melting the end surfaces of the plastic pipes and then crimping them together at a predetermined pressure to form a butt connection, and fitting a socket with a hot wire onto the outer surface of the butt connection, and connecting the outer surface and the socket. 1. A method for connecting plastic pipes, comprising the step of welding the inner surface of the tube by heat generated by a hot wire to form a hot wire socket connection part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63213446A JPH0260730A (en) | 1988-08-26 | 1988-08-26 | Connection part of plastic pipe and connection of said pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63213446A JPH0260730A (en) | 1988-08-26 | 1988-08-26 | Connection part of plastic pipe and connection of said pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0260730A true JPH0260730A (en) | 1990-03-01 |
Family
ID=16639361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63213446A Pending JPH0260730A (en) | 1988-08-26 | 1988-08-26 | Connection part of plastic pipe and connection of said pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0260730A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0619176A2 (en) * | 1993-03-11 | 1994-10-12 | Wilhelm Hegler | Process for welding thermoplastic pipes |
| WO1995003162A1 (en) * | 1993-07-20 | 1995-02-02 | British Gas Plc | A method of joining reinforced thermoplastic pipes |
| WO1997049540A1 (en) * | 1996-06-25 | 1997-12-31 | Uponor B.V. | Electrofusion fitting |
| WO2009033603A1 (en) * | 2007-09-07 | 2009-03-19 | Egeplast Werner Strumann Gmbh & Co. Kg | Method for welding plastic pipes together |
| JP2013535634A (en) * | 2010-08-11 | 2013-09-12 | パワーコア インターナショナル リミテッド | Internal electrofusion ring coupler |
| JP2015034594A (en) * | 2013-08-08 | 2015-02-19 | 積水化学工業株式会社 | Joint and construction method of piping structure |
| WO2015055705A1 (en) * | 2013-10-15 | 2015-04-23 | Hürner Schweisstechnik Gmbh | Welding base for a welding device for producing a weld connection between plastic pipes |
| WO2021149832A1 (en) * | 2020-01-24 | 2021-07-29 | 積水化学工業株式会社 | Electrically fused joint and fusing method |
-
1988
- 1988-08-26 JP JP63213446A patent/JPH0260730A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0619176A3 (en) * | 1993-03-11 | 1996-02-07 | Wilhelm Hegler | Process for welding thermoplastic pipes. |
| EP0619176A2 (en) * | 1993-03-11 | 1994-10-12 | Wilhelm Hegler | Process for welding thermoplastic pipes |
| US5824179A (en) * | 1993-07-20 | 1998-10-20 | British Gas Plc | Method of joining reinforced thermoplastic pipes |
| AU680274B2 (en) * | 1993-07-20 | 1997-07-24 | Lattice Intellectual Property Limited | A method of joining reinforced thermoplastic pipes |
| GB2280145B (en) * | 1993-07-20 | 1997-08-20 | British Gas Plc | A method of joining reinforced thermoplastic pipes |
| WO1995003162A1 (en) * | 1993-07-20 | 1995-02-02 | British Gas Plc | A method of joining reinforced thermoplastic pipes |
| WO1997049540A1 (en) * | 1996-06-25 | 1997-12-31 | Uponor B.V. | Electrofusion fitting |
| WO2009033603A1 (en) * | 2007-09-07 | 2009-03-19 | Egeplast Werner Strumann Gmbh & Co. Kg | Method for welding plastic pipes together |
| JP2013535634A (en) * | 2010-08-11 | 2013-09-12 | パワーコア インターナショナル リミテッド | Internal electrofusion ring coupler |
| JP2015034594A (en) * | 2013-08-08 | 2015-02-19 | 積水化学工業株式会社 | Joint and construction method of piping structure |
| WO2015055705A1 (en) * | 2013-10-15 | 2015-04-23 | Hürner Schweisstechnik Gmbh | Welding base for a welding device for producing a weld connection between plastic pipes |
| WO2021149832A1 (en) * | 2020-01-24 | 2021-07-29 | 積水化学工業株式会社 | Electrically fused joint and fusing method |
| JPWO2021149832A1 (en) * | 2020-01-24 | 2021-07-29 |
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