CA1160914A - Insulated pipe - Google Patents
Insulated pipeInfo
- Publication number
- CA1160914A CA1160914A CA000347490A CA347490A CA1160914A CA 1160914 A CA1160914 A CA 1160914A CA 000347490 A CA000347490 A CA 000347490A CA 347490 A CA347490 A CA 347490A CA 1160914 A CA1160914 A CA 1160914A
- Authority
- CA
- Canada
- Prior art keywords
- layer
- foamed
- pipe
- foam
- insulation
- 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.)
- Expired
Links
- 229920003023 plastic Polymers 0.000 claims abstract description 35
- 239000004033 plastic Substances 0.000 claims abstract description 35
- 238000009413 insulation Methods 0.000 claims abstract description 28
- 239000006260 foam Substances 0.000 claims abstract description 21
- 239000004814 polyurethane Substances 0.000 claims abstract description 13
- 229920002635 polyurethane Polymers 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 17
- 238000005187 foaming Methods 0.000 claims description 12
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 239000011253 protective coating Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000004620 low density foam Substances 0.000 abstract description 2
- 238000010924 continuous production Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 61
- 230000001681 protective effect Effects 0.000 description 7
- 239000004615 ingredient Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 229920005830 Polyurethane Foam Polymers 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 239000004088 foaming agent Substances 0.000 description 3
- 239000011496 polyurethane foam Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000004604 Blowing Agent Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 125000005442 diisocyanate group Chemical group 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 2
- 229940029284 trichlorofluoromethane Drugs 0.000 description 2
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 2
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- LZCDAPDGXCYOEH-UHFFFAOYSA-N adapalene Chemical compound C1=C(C(O)=O)C=CC2=CC(C3=CC=C(C(=C3)C34CC5CC(CC(C5)C3)C4)OC)=CC=C21 LZCDAPDGXCYOEH-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- 229940002658 differin Drugs 0.000 description 1
- 229920006334 epoxy coating Polymers 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000004850 liquid epoxy resins (LERs) Substances 0.000 description 1
- 239000013521 mastic Substances 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- HQUQLFOMPYWACS-UHFFFAOYSA-N tris(2-chloroethyl) phosphate Chemical compound ClCCOP(=O)(OCCCl)OCCCl HQUQLFOMPYWACS-UHFFFAOYSA-N 0.000 description 1
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
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/143—Pre-insulated 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/22—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length consisting of at least two parts of chemically or physically different materials, e.g. having different densities
-
- 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
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
- B29C44/322—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed parts being elongated inserts, e.g. cables
- B29C44/324—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed parts being elongated inserts, e.g. cables the preformed parts being tubular or folded to a tubular shape
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
-
- 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
- F16L59/08—Means for preventing radiation, e.g. with metal foil
-
- 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
-
- 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
- F16L59/147—Arrangements for the insulation of pipes or pipe systems the insulation being located inwardly of the outer surface of the pipe
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
- Laminated Bodies (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Insulators (AREA)
- Motor Or Generator Cooling System (AREA)
- Linear Motors (AREA)
- Details Of Indoor Wiring (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2079279A | 1979-03-15 | 1979-03-15 | |
| US20,792 | 1979-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1160914A true CA1160914A (en) | 1984-01-24 |
Family
ID=21800609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000347490A Expired CA1160914A (en) | 1979-03-15 | 1980-03-12 | Insulated pipe |
Country Status (31)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104067044A (zh) * | 2011-11-28 | 2014-09-24 | 巴斯夫欧洲公司 | 在连续制备过程中制备隔热套管的方法 |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8005255A (nl) * | 1980-09-19 | 1982-04-16 | Wavin Bv | Kunststofbuisdeel voorzien van een kunststofschuimisolatielaag. |
| FI77102C (fi) * | 1981-05-25 | 1989-01-10 | Kabel Metallwerke Ghh | Foerfarande foer framstaellning av ett vaermeisolerat ledningsroer. |
| GB2120747A (en) * | 1982-05-20 | 1983-12-07 | Hepworth Plastics Ltd | Pipes for pipelines |
| AU590713B2 (en) * | 1984-06-07 | 1989-11-16 | Asahi Chemical Industry Co. Ltd. | Heat insulating structures for low-temperature or cryogenic pipings |
| DE3530187C2 (de) * | 1985-08-23 | 1994-12-01 | Marquet & Cie Noel | Verfahren und Vorrichtung zur Herstellung von thermisch isolierten Leitungsrohren |
| JPH0814359B2 (ja) * | 1985-09-02 | 1996-02-14 | 株式会社日本メデイクス | 美容や医療機器の極低温配管用チューブ |
| DE3534241A1 (de) * | 1985-09-26 | 1987-04-02 | Rheinhold & Mahla Gmbh | Verfahren zur herstellung einer daemmung aus polyurethan-ortschaum fuer rohrleitungen, behaelter und kolonnen |
| DE4118362A1 (de) * | 1991-06-05 | 1992-12-10 | Bayer Ag | Verfahren zur isolierung von rohren |
| DE4421817A1 (de) * | 1994-06-22 | 1996-01-04 | Bayer Ag | Verfahren zur Isolierung von Rohren |
| AUPM903694A0 (en) | 1994-10-25 | 1994-11-17 | Adams, Kevin | Multipurpose composite tubing |
| NO962627L (no) * | 1996-06-20 | 1998-01-19 | Per Ludvig Engesaeter | Korrosjonsbeskyttende, termisk magasinerende, termisk motstandsdyktig og termisk isolerende belegg/kappe til rörledning |
| RU2152553C1 (ru) * | 1998-11-24 | 2000-07-10 | Центральный научно-исследовательский институт им. акад. А.Н. Крылова | Теплоизолирующее покрытие горизонтально расположенного трубопровода |
| GB2365096B (en) * | 1999-05-26 | 2003-04-09 | Thermotite As | Steel pipe with heat insulation for deep-sea pipelines and method of producing it |
| RU2182868C1 (ru) * | 2001-05-31 | 2002-05-27 | Закрытое акционерное общество Научно-производственное предприятие "МАЯК-93" | Способ изготовления соэкструдированной многослойной трубы, устройство для его осуществления и труба, полученная этим способом |
| RU2274798C2 (ru) * | 2004-05-07 | 2006-04-20 | Открытое акционерное общество "ОКБ Сухого" | Способ и устройство тепловой изоляции изделия |
| RU2276756C1 (ru) * | 2004-12-17 | 2006-05-20 | Владимир Аркадьевич Устюгов | Теплоизолированная труба для систем отопления и/или водоснабжения зданий и сооружений |
| EP1909018B1 (de) * | 2006-10-05 | 2014-08-20 | Georg Fischer Rohrleitungssysteme AG | Rohrverbindungsformteil mit thermischer Isolierung und Verfahren zur Herstellung des Rohrverbindungsformteiles |
| RU2326291C1 (ru) * | 2006-12-28 | 2008-06-10 | Ольга Владимировна Устюгова | Теплоизолированная труба для систем отопления и/или водоснабжения зданий и сооружений |
| DE202007004596U1 (de) | 2007-03-26 | 2007-05-31 | Rehau Ag + Co | Kunststoffrohr |
| ITMI20090939A1 (it) * | 2009-05-27 | 2010-11-28 | Dow Brasil Sa | Tubazioni per impieghi in acque profonde |
| AT508464B1 (de) * | 2009-06-18 | 2012-02-15 | Lambda One Isoliertechnik Gmbh | Verfahren und anlage zur herstellung von vorgeformten isolierkörpern mit verbesserter wärmedämmung und geringem gewicht |
| EA018041B1 (ru) * | 2010-07-22 | 2013-05-30 | Общество С Ограниченной Ответственностью "Смит-Ярцево" | Тепловая изоляция трубопровода |
| US20130327466A1 (en) * | 2012-06-08 | 2013-12-12 | Pellegrino J. Pisacreta | Insulated tubing |
| JP6080404B2 (ja) * | 2012-06-28 | 2017-02-15 | 旭有機材株式会社 | 配管カバー |
| EP2953776B1 (en) * | 2013-02-08 | 2017-12-27 | Logstor A/S | Method for producing an insulated pipe in corrugated casing |
| CN103557404B (zh) * | 2013-11-06 | 2015-11-25 | 北京豪特耐管道设备有限公司 | 一种绝热管道的生产方法及采用该方法生产的绝热管道 |
| CN103587215B (zh) * | 2013-11-11 | 2015-08-05 | 镇江市高等专科学校 | 多自由度漂浮管泡沫材料热熔合贴合设备 |
| CN103968161A (zh) * | 2014-05-23 | 2014-08-06 | 张楠 | 一种胶管 |
| CN104295809A (zh) * | 2014-11-05 | 2015-01-21 | 广西金盛科技发展有限公司 | 一种pvc排水管 |
| CN106917933A (zh) * | 2016-03-28 | 2017-07-04 | 齐克先 | 一种注料孔带补强片的预制直埋保温管及制造方法 |
| CN105972329A (zh) * | 2016-05-25 | 2016-09-28 | 安徽普氏生态环境工程有限公司 | 一种新型给水管 |
| CN107020774B (zh) * | 2017-04-05 | 2019-02-22 | 绵阳高新区三阳塑胶有限责任公司 | 一种多层多功能保温隔热材料及其制备方法 |
| CN109506064A (zh) * | 2018-12-25 | 2019-03-22 | 哈尔滨朗格斯特节能科技有限公司 | 硬质聚氨酯喷涂与高密度聚乙烯缠绕预制直埋保温弯头 |
| CN110402870B (zh) * | 2019-09-02 | 2021-09-07 | 福建亚通新材料科技股份有限公司 | 一种深海养殖用管道 |
| IT201900020781A1 (it) * | 2019-11-11 | 2021-05-11 | Ecotech S R L | Tubo termo-isolato |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4820967B1 (cg-RX-API-DMAC10.html) * | 1967-05-11 | 1973-06-25 | ||
| NL6903871A (cg-RX-API-DMAC10.html) * | 1969-03-13 | 1970-09-15 | ||
| US3657036A (en) * | 1969-10-02 | 1972-04-18 | Nat Gypsum Co | Method for production of rigid polyurethane articles |
| US3644168A (en) * | 1970-06-12 | 1972-02-22 | Upjohn Co | Varied density polyisocyanurate foam structure |
| US3814659A (en) * | 1971-02-01 | 1974-06-04 | Upjohn Co | Novel compositions |
| US3802948A (en) * | 1971-06-09 | 1974-04-09 | Hitachi Shipbuilding Eng Co | Thermal insulation for cryogenic containers |
| US3782998A (en) * | 1971-11-30 | 1974-01-01 | Atlantic Richfield Co | Method of insulating cold substrates and the insulated substrates |
| GB1357765A (en) * | 1971-12-03 | 1974-06-26 | Bauakademie Ddr | Insulated pressure pipe |
| US3979818A (en) * | 1972-05-30 | 1976-09-14 | Shaw Pipe Industries Ltd. | Method of thermally insulating pipe |
| BE885751Q (fr) * | 1976-08-27 | 1981-02-16 | Kendall & Co | Procede et appareil pour appliquer un liquide moussable sur un objet cylindrique |
| JPS5472558A (en) * | 1977-11-21 | 1979-06-11 | Sekisui Plastics | Pipe cover |
-
1980
- 1980-02-19 GB GB8005589A patent/GB2046865B/en not_active Expired
- 1980-02-19 ZA ZA00800949A patent/ZA80949B/xx unknown
- 1980-02-21 DE DE3006545A patent/DE3006545C2/de not_active Expired
- 1980-02-26 AT AT0105380A patent/AT377227B/de not_active IP Right Cessation
- 1980-02-28 AU AU55973/80A patent/AU532291B2/en not_active Ceased
- 1980-02-28 FR FR8004467A patent/FR2451261A1/fr active Granted
- 1980-02-29 HU HU8080473A patent/HU178150B/hu not_active IP Right Cessation
- 1980-03-01 EG EG114/80A patent/EG14165A/xx active
- 1980-03-05 GR GR61351A patent/GR67219B/el unknown
- 1980-03-07 CS CS801594A patent/CS220765B2/cs unknown
- 1980-03-10 JP JP2927380A patent/JPS55133951A/ja active Pending
- 1980-03-11 YU YU00667/80A patent/YU66780A/xx unknown
- 1980-03-12 PT PT70943A patent/PT70943A/pt unknown
- 1980-03-12 BR BR8001461A patent/BR8001461A/pt unknown
- 1980-03-12 DD DD80219617A patent/DD149955A5/de not_active IP Right Cessation
- 1980-03-12 CA CA000347490A patent/CA1160914A/en not_active Expired
- 1980-03-12 IT IT20535/80A patent/IT1193927B/it active
- 1980-03-12 SE SE8001923A patent/SE447414B/sv not_active IP Right Cessation
- 1980-03-13 PL PL1980222668A patent/PL133428B1/pl unknown
- 1980-03-13 NO NO800730A patent/NO161208C/no unknown
- 1980-03-13 BE BE0/199781A patent/BE882206A/fr not_active IP Right Cessation
- 1980-03-13 ES ES490303A patent/ES8102909A1/es not_active Expired
- 1980-03-13 MX MX181541A patent/MX150570A/es unknown
- 1980-03-14 AR AR280328A patent/AR225305A1/es active
- 1980-03-14 PH PH23773A patent/PH15434A/en unknown
- 1980-03-14 NZ NZ193125A patent/NZ193125A/xx unknown
- 1980-03-14 IE IE532/80A patent/IE49291B1/en unknown
- 1980-03-14 SU SU802896301A patent/SU1351520A3/ru active
- 1980-03-14 NL NLAANVRAGE8001541,A patent/NL186831C/xx not_active IP Right Cessation
- 1980-03-14 CH CH202180A patent/CH635182A5/fr not_active IP Right Cessation
- 1980-03-14 DK DK111480A patent/DK151913C/da not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104067044A (zh) * | 2011-11-28 | 2014-09-24 | 巴斯夫欧洲公司 | 在连续制备过程中制备隔热套管的方法 |
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