NO981158L - FremgangsmÕte og anordning for fremstilling av r°r isolert med plastskum - Google Patents
FremgangsmÕte og anordning for fremstilling av r°r isolert med plastskumInfo
- Publication number
- NO981158L NO981158L NO981158A NO981158A NO981158L NO 981158 L NO981158 L NO 981158L NO 981158 A NO981158 A NO 981158A NO 981158 A NO981158 A NO 981158A NO 981158 L NO981158 L NO 981158L
- Authority
- NO
- Norway
- Prior art keywords
- tubes
- tube
- plastic foam
- holder
- outer casing
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/385—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using manifolds or channels directing the flow in the mould
- B29C44/386—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using manifolds or channels directing the flow in the mould using a movable, elongate nozzle, e.g. to reach deep into the mould
-
- 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
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/143—Pre-insulated pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Thermal Insulation (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Fremgangsmåte for fremstiling av rør isolert med plastskum, kjennetegnet ved at, a) mellom et indre mediumrør (4) og et til dette koaksialt anordnet ytre mantelrør (7) anordnes en holder forsynt med minst en åpning (8) og som er anbrakt aksialt bevegelig og posisjonerer mediumrøret (4) i det ytre rør (7), og b) gjennom åpningen eller åpningene (8) i holderen innføres i hul- rommet mellom de to rør, en blanding for fremstilling av plastskum, idet b1) holderen under innføringen av blandingen beveges aksialt i forhold til det ytre rør og mediumrøret, c) etter foretatt fnnføring omsettes blandingen til plastskum, d) holderen og eventuelt det ytre rør fjernes.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19711068A DE19711068A1 (de) | 1997-03-17 | 1997-03-17 | Verfahren und Vorrichtungen zur Herstellung von mit Schaumstoffen gedämmten Rohren |
US09/042,745 US6010650A (en) | 1997-03-17 | 1998-03-17 | Production of pipes insulated with foams |
Publications (2)
Publication Number | Publication Date |
---|---|
NO981158D0 NO981158D0 (no) | 1998-03-16 |
NO981158L true NO981158L (no) | 1998-09-18 |
Family
ID=26034929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO981158A NO981158L (no) | 1997-03-17 | 1998-03-16 | FremgangsmÕte og anordning for fremstilling av r°r isolert med plastskum |
Country Status (7)
Country | Link |
---|---|
US (1) | US6010650A (no) |
EP (1) | EP0865893B1 (no) |
AT (1) | ATE224798T1 (no) |
CA (1) | CA2229502C (no) |
DE (2) | DE19711068A1 (no) |
DK (1) | DK0865893T3 (no) |
NO (1) | NO981158L (no) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19905275A1 (de) * | 1999-02-09 | 2000-08-10 | Hennecke Gmbh | Verfahren zur Herstellung wärmegedämmter Rohre |
DE102004031026B3 (de) * | 2004-06-26 | 2006-01-05 | Kraus-Maffei Kunststofftechnik Gmbh | Mischkopfsystem |
DE102005050413A1 (de) * | 2005-10-19 | 2007-04-26 | Basf Ag | Polyurethanschaumstoffe zur Rohrdämmung |
DE102005050412A1 (de) * | 2005-10-19 | 2007-04-26 | Basf Ag | Polyurethanschaumstoffe zur Rohrdämmung |
DE102005050410A1 (de) * | 2005-10-19 | 2007-04-26 | Basf Ag | Polyurethanschaumstoffe zur Rohrdämmung |
KR101492284B1 (ko) | 2007-04-02 | 2015-02-11 | 바스프 에스이 | 절연 파이프 |
ES2472717T3 (es) | 2010-01-18 | 2014-07-02 | Basf Se | Envoltura de espuma rígida de poliuretano para conexión de tuberías |
US9476539B2 (en) | 2010-01-18 | 2016-10-25 | Basf Se | Rigid foam envelopment of the connections of pipes |
US8986801B2 (en) | 2011-01-27 | 2015-03-24 | Basf Se | Polyurethane having improved insulating properties |
EP2668237B1 (de) | 2011-01-27 | 2016-07-27 | Basf Se | Polyurethan mit verbesserten dämm-eigenschaften |
WO2013030203A2 (de) | 2011-08-31 | 2013-03-07 | Basf Se | Verfahren zur herstellung von gedämmten rohren mit verbesserten eigenschaften |
US9261223B2 (en) | 2011-10-21 | 2016-02-16 | Basf Se | Method of improving the physical properties in the production of PSPs (plastic-sheathed pipes) |
WO2013057227A1 (de) | 2011-10-21 | 2013-04-25 | Basf Se | Verfahren zur verbesserung der physikalischen eigenschaften bei der herstellung von kmr (kunststoffmantelrohren) |
US9421571B2 (en) | 2011-11-28 | 2016-08-23 | Basf Se | Process for producing insulated jacketed pipes by a continuous production process |
WO2013079455A1 (de) | 2011-11-28 | 2013-06-06 | Basf Se | Verfahren zur herstellung von gedämmten mantelrohren im kontinuierlichen herstellungsprozess |
PL2874808T3 (pl) * | 2012-07-17 | 2017-05-31 | Basf Se | Sposób ciągłego wytwarzania pianek w rurach |
CN110691694B (zh) | 2017-05-30 | 2023-02-28 | 巴斯夫欧洲公司 | 制备绝缘管的方法 |
EP3947501B1 (de) | 2019-04-02 | 2023-07-12 | Basf Se | Gedämmtes rohr, enthaltend mit umweltfreundlichem treibmittel getriebenen polyurethan-schaumstoff mit geringer sprödigkeit |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3444279A (en) * | 1966-05-09 | 1969-05-13 | Dow Chemical Co | Method and apparatus for the insulation of conduit |
US3439075A (en) * | 1966-05-23 | 1969-04-15 | Exxon Research Engineering Co | Method for insulating pipes |
GB1220349A (en) * | 1967-09-14 | 1971-01-27 | Bibby Chemicals Ltd Formerly J | Improvements in or relating to the insulation of piping |
US3492029A (en) * | 1968-11-18 | 1970-01-27 | Johns Manville | Thermally insulated pipe |
US3793411A (en) * | 1971-04-20 | 1974-02-19 | Rovanco Inc | Method for making insulated pipe |
DE2257661A1 (de) * | 1972-11-24 | 1974-05-30 | Bayer Ag | Verfahren und vorrichtung zum ausfuellen von hohlraeumen, insbesondere eines solchen zwischen einem leitungsrohr und einem dieses umgebende huellrohr, mit isolierstoff |
US3935632A (en) * | 1973-07-02 | 1976-02-03 | Continental Oil Company | Method of preparing an insulated negative buoyancy flow line |
US4009732A (en) * | 1976-03-01 | 1977-03-01 | Martin Luther W | Methods of sealing annular space between inner and outer gas mains for tie-overs |
JPS5337107A (en) * | 1977-08-20 | 1978-04-06 | Sumitomo Metal Ind Ltd | Mounting method for cooling apparatus of blast furnace |
DE2823101C2 (de) * | 1978-05-26 | 1982-08-05 | Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover | Verfahren zur Herstellung wärmeisolierter Leitungsrohre |
US4522578A (en) * | 1980-12-08 | 1985-06-11 | J-M Manufacturing Co., Inc. | Apparatus for introducing a foamable plastic insulation into the space defined by an inner core pipe and an outer casing pipe while maintaining the spacing of the pipes |
US4564487A (en) * | 1983-09-19 | 1986-01-14 | Lambda Corporation | Method and apparatus for making a continuous length of tubing having foamed plastic walls |
US4956133A (en) * | 1985-08-19 | 1990-09-11 | Le Roy Payne | Continuous molding apparatus and method |
DE3933335C2 (de) * | 1989-10-06 | 1998-08-06 | Basf Ag | Verfahren zur Herstellung von Polyurethan-Hartschaumstoffen mit geringer Wärmeleitfähigkeit und ihre Verwendung |
-
1997
- 1997-03-17 DE DE19711068A patent/DE19711068A1/de not_active Withdrawn
-
1998
- 1998-03-06 EP EP98103999A patent/EP0865893B1/de not_active Expired - Lifetime
- 1998-03-06 AT AT98103999T patent/ATE224798T1/de not_active IP Right Cessation
- 1998-03-06 DK DK98103999T patent/DK0865893T3/da active
- 1998-03-06 DE DE59805649T patent/DE59805649D1/de not_active Expired - Fee Related
- 1998-03-16 NO NO981158A patent/NO981158L/no not_active Application Discontinuation
- 1998-03-16 CA CA002229502A patent/CA2229502C/en not_active Expired - Fee Related
- 1998-03-17 US US09/042,745 patent/US6010650A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2229502C (en) | 2006-01-03 |
DE19711068A1 (de) | 1998-09-24 |
EP0865893A3 (de) | 1999-12-29 |
EP0865893B1 (de) | 2002-09-25 |
CA2229502A1 (en) | 1998-09-17 |
EP0865893A2 (de) | 1998-09-23 |
US6010650A (en) | 2000-01-04 |
NO981158D0 (no) | 1998-03-16 |
DE59805649D1 (de) | 2002-10-31 |
ATE224798T1 (de) | 2002-10-15 |
DK0865893T3 (da) | 2002-10-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FC2A | Withdrawal, rejection or dismissal of laid open patent application |