DK166998B1 - Fremgangsmaade og indretning til flademaessig sammensvejsning af enderne af roerformede termoplastiske dele - Google Patents
Fremgangsmaade og indretning til flademaessig sammensvejsning af enderne af roerformede termoplastiske dele Download PDFInfo
- Publication number
- DK166998B1 DK166998B1 DK526988A DK526988A DK166998B1 DK 166998 B1 DK166998 B1 DK 166998B1 DK 526988 A DK526988 A DK 526988A DK 526988 A DK526988 A DK 526988A DK 166998 B1 DK166998 B1 DK 166998B1
- Authority
- DK
- Denmark
- Prior art keywords
- pipe
- pipe ends
- welding
- heat
- temperature profile
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 11
- 238000003466 welding Methods 0.000 claims abstract description 20
- 239000011324 bead Substances 0.000 claims abstract description 9
- 238000002844 melting Methods 0.000 claims abstract description 9
- 230000008018 melting Effects 0.000 claims abstract description 9
- 230000003247 decreasing effect Effects 0.000 claims abstract description 3
- 230000005855 radiation Effects 0.000 claims abstract 2
- 229920001169 thermoplastic Polymers 0.000 claims description 4
- 239000004416 thermosoftening plastic Substances 0.000 claims description 4
- 239000012815 thermoplastic material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000155 melt Substances 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
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
- B29B13/023—Half-products, e.g. films, plates
- B29B13/024—Hollow bodies, e.g. tubes or profiles
- B29B13/025—Tube ends
-
- 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
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/1429—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface
- B29C65/1432—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface direct heating of the surfaces 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
- 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
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/1496—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation making use of masks
-
- 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
- B29C66/003—Protecting areas of the parts to be joined from overheating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/116—Single bevelled joints, i.e. one of the parts to be joined being bevelled in the joint area
- B29C66/1162—Single bevel to bevel joints, e.g. mitre joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—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
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/347—General aspects dealing with the joint area or with the area to be joined using particular temperature distributions or gradients; using particular heat distributions or gradients
-
- 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
- B29C66/348—Avoiding melting or weakening of the zone directly next to the joint area, e.g. by cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—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
- B29C66/70—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
- B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
- B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
- B29C66/91411—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the parts to be joined, e.g. the joining process taking the temperature of the parts to be joined into account
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
- 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
-
- 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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Toxicology (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH368287 | 1987-09-23 | ||
CH3682/87A CH673433A5 (enrdf_load_stackoverflow) | 1987-09-23 | 1987-09-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK526988D0 DK526988D0 (da) | 1988-09-22 |
DK526988A DK526988A (da) | 1989-03-24 |
DK166998B1 true DK166998B1 (da) | 1993-08-16 |
Family
ID=4261252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK526988A DK166998B1 (da) | 1987-09-23 | 1988-09-22 | Fremgangsmaade og indretning til flademaessig sammensvejsning af enderne af roerformede termoplastiske dele |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0312712B2 (enrdf_load_stackoverflow) |
JP (1) | JPH01110128A (enrdf_load_stackoverflow) |
AT (1) | ATE63850T1 (enrdf_load_stackoverflow) |
CH (1) | CH673433A5 (enrdf_load_stackoverflow) |
DE (1) | DE3863049D1 (enrdf_load_stackoverflow) |
DK (1) | DK166998B1 (enrdf_load_stackoverflow) |
ES (1) | ES2022956T5 (enrdf_load_stackoverflow) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4013471A1 (de) * | 1990-04-27 | 1991-10-31 | Fischer Ag Georg | Einrichtung zum stirnseitigen verschweissen von kunststoffteilen |
DE4113408A1 (de) * | 1991-04-22 | 1992-10-29 | Donald Herbst | Verfahren zum verschweissen zweier hohlkoerper |
US5328541A (en) * | 1991-12-11 | 1994-07-12 | Kureha Kagaku Kogyo Kabushiki Kaisha | Method of welding tubular products of polyarylene sulfide and welded tubular structure |
DE4331465A1 (de) * | 1993-09-16 | 1995-03-23 | Teves Gmbh Alfred | Leuchtengehäuse oder Lichtscheibe mit im Querschnitt verringerter Schweißzugabe und Fahrzeugleuchte mit derartigem Leuchtengehäuse oder Lichtscheibe |
EP0662390A3 (en) * | 1993-12-28 | 1996-08-21 | Kureha Chemical Ind Co Ltd | Apparatus and method for welding elements of thermoplastic material. |
DE4416518A1 (de) * | 1994-05-10 | 1995-11-16 | Armin Dommer | Vorrichtung zum stirnseitigen Verschweißen von Kunststoffprofilen, insbesondere von Rohren |
DE4428767C2 (de) * | 1994-08-13 | 1996-09-05 | Rehau Ag & Co | Verfahren zum Verschweissen von Rohrmuffen |
US5855720A (en) * | 1996-03-13 | 1999-01-05 | Johnson; Orin S. | Clamping head for use in joining plastic extrusions and method thereof |
AU2001271899A1 (en) * | 2000-07-06 | 2002-01-21 | Wrb Company, Inc. | Heat fusion of plastic pipe without inner fusion bead |
DE10164515C1 (de) * | 2001-12-19 | 2003-07-03 | Donald Herbst | Verfahren zum Verschweißen zweier Hohlkörper |
US7842769B1 (en) | 2003-06-13 | 2010-11-30 | Underground Solutions Technologies Group, Inc. | Polyvinyl chloride formulations |
US6982051B2 (en) | 2003-06-13 | 2006-01-03 | Underground Solutions Technologies Group, Inc. | Fusion process for conduit |
KR100590619B1 (ko) * | 2004-08-05 | 2006-06-19 | 이보영 | 다중벽관 접합용 열판 및 접합방법 |
JP2009543008A (ja) | 2006-07-07 | 2009-12-03 | カリディアンビーシーティー、インコーポレーテッド | 熱溶接チューブコネクタ |
JP5093491B2 (ja) * | 2008-05-26 | 2012-12-12 | 学校法人福岡工業大学 | 熱可塑性プラスチック材の溶着装置および溶着方法 |
EP3205479B1 (de) | 2016-02-09 | 2023-12-20 | Georg Fischer Rohrleitungssysteme AG | Reflektionsinnenring |
JP7207270B2 (ja) * | 2019-11-11 | 2023-01-18 | トヨタ自動車株式会社 | 赤外線溶着機 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3013925A (en) * | 1959-04-03 | 1961-12-19 | Phillips Petroleum Co | Method and means for welding thermoplastic pipes |
US3144495A (en) * | 1960-09-15 | 1964-08-11 | American Can Co | Containers and method of making |
DE2157951A1 (de) * | 1971-11-23 | 1973-05-30 | Messer Griesheim Gmbh | Trennschweissverfahren fuer thermoplastenfolien und vorrichtung zur durchfuehrung des verfahrens |
DE2212055C3 (de) | 1972-03-13 | 1979-01-25 | Alfred Dipl.-Ing. 7250 Leonberg Ruehle | Vorrichtung zum Verschweißen von koaxial liegenden Rohren aus thermoplastischem Kunststoff |
NL7206836A (enrdf_load_stackoverflow) * | 1972-05-19 | 1973-11-21 | ||
CA1243169A (en) | 1984-07-09 | 1988-10-18 | Michael L. Osgar | Welding fluoropolymer pipe and fittings |
-
1987
- 1987-09-23 CH CH3682/87A patent/CH673433A5/de not_active IP Right Cessation
-
1988
- 1988-07-19 ES ES88111586T patent/ES2022956T5/es not_active Expired - Lifetime
- 1988-07-19 AT AT88111586T patent/ATE63850T1/de not_active IP Right Cessation
- 1988-07-19 EP EP88111586A patent/EP0312712B2/de not_active Expired - Lifetime
- 1988-07-19 DE DE8888111586T patent/DE3863049D1/de not_active Expired - Fee Related
- 1988-09-20 JP JP63233824A patent/JPH01110128A/ja active Granted
- 1988-09-22 DK DK526988A patent/DK166998B1/da not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CH673433A5 (enrdf_load_stackoverflow) | 1990-03-15 |
DK526988D0 (da) | 1988-09-22 |
JPH0572860B2 (enrdf_load_stackoverflow) | 1993-10-13 |
ES2022956T5 (es) | 1995-11-01 |
DE3863049D1 (de) | 1991-07-04 |
ATE63850T1 (de) | 1991-06-15 |
EP0312712B2 (de) | 1995-08-16 |
JPH01110128A (ja) | 1989-04-26 |
ES2022956B3 (es) | 1991-12-16 |
EP0312712A1 (de) | 1989-04-26 |
DK526988A (da) | 1989-03-24 |
EP0312712B1 (de) | 1991-05-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK166998B1 (da) | Fremgangsmaade og indretning til flademaessig sammensvejsning af enderne af roerformede termoplastiske dele | |
US5037500A (en) | Method and apparatus for joining tubular plastic parts by welding | |
US4929293A (en) | Welding fluoropolymer pipe and fittings | |
US4572753A (en) | Method of ultrasonic welding and apparatus therefor | |
US4197149A (en) | Method for joining together shaped bodies of polytetrafluoroethylene | |
JPH01110127A (ja) | 熱可塑性材料から成る管状部材の溶接方法および装置 | |
SG46144A1 (en) | Method and apparatus for connecting resin pipes | |
EP0689931A3 (de) | Verfahren zum Schweissen von Kunststoffrohren und Muffe zur Durchführung des Verfahrens | |
FI65729C (fi) | Saett och anordning foer sammanfoerande av plastroer genom vaermefogning | |
JP2556555B2 (ja) | 管板に管端部を溶接する方法 | |
JP3788583B2 (ja) | 熱収縮性被覆材の加熱溶着装置 | |
RU2005112460A (ru) | Способ производства упаковок-мешков | |
DE69423532D1 (de) | Verfahren zum Glätten der Schweissnahtverbindung von Kunststoffplatten und hergestellte Verbindung | |
ES2231491T3 (es) | Dispositivo de sujeccion para soldadura por infrarrojos. | |
GB1570686A (en) | Joining of polytetrafluoroethylene bodies | |
GB2246318B (en) | Abutment welding of plastic pipes and fittings and apparatus therefor | |
JPH10166451A (ja) | プラスチックの融着方法および融着装置 | |
US5622592A (en) | Apparatus for welding shaped workpieces formed from a plastic material | |
GB2207882B (en) | Method & apparatus for joining plastic workpieces by fusion | |
JP7067329B2 (ja) | 樹脂成形品の接合方法 | |
JPH08216261A (ja) | 熱可塑性樹脂管の接合方法 | |
SU1118536A1 (ru) | Устройство дл контактной сварки пластмассовых труб | |
DK168984B1 (da) | Fremgangsmåde og apparat til sikring af en pyramidestubformet dåserammes overholdelse af sine mål | |
EP0662390A2 (en) | Apparatus and method for welding thermoplastic resin members | |
GB2304073A (en) | Electrofusion element |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ATS | Application withdrawn | ||
B1 | Patent granted (law 1993) | ||
PBP | Patent lapsed |