CN1006969B - 生产肋式管的方法和设备 - Google Patents
生产肋式管的方法和设备Info
- Publication number
- CN1006969B CN1006969B CN87101978A CN87101978A CN1006969B CN 1006969 B CN1006969 B CN 1006969B CN 87101978 A CN87101978 A CN 87101978A CN 87101978 A CN87101978 A CN 87101978A CN 1006969 B CN1006969 B CN 1006969B
- Authority
- CN
- China
- Prior art keywords
- mentioned
- groove
- mandrel
- plastics
- fuse
- 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
- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000004033 plastic Substances 0.000 claims abstract description 89
- 229920003023 plastic Polymers 0.000 claims abstract description 89
- 238000000465 moulding Methods 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims description 39
- 238000012856 packing Methods 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000001186 cumulative effect Effects 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims 1
- 238000001125 extrusion Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000007723 die pressing method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035772 mutation Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 241000193935 Araneus diadematus Species 0.000 description 1
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 208000034189 Sclerosis Diseases 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/18—Pleated or corrugated hoses
-
- 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
-
- 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
- B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/303—Extrusion nozzles or dies using dies or die parts movable in a closed circuit, e.g. mounted on movable endless support
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92019—Pressure
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/34—Moulds or cores; Details thereof or accessories therefor movable, e.g. to or from the moulding station
- B29C33/36—Moulds or cores; Details thereof or accessories therefor movable, e.g. to or from the moulding station continuously movable in one direction, e.g. in a closed circuit
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/908—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
- B29C48/912—Cooling of hollow articles of tubular films
- B29C48/913—Cooling of hollow articles of tubular films externally
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
-
- 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
- B29L2016/00—Articles with corrugations or pleats
-
- 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
- B29L2023/003—Tubular articles having irregular or rough surfaces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Forging (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- General Factory Administration (AREA)
- Harvesting Machines For Root Crops (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- External Artificial Organs (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Blast Furnaces (AREA)
- Heat Treatment Of Articles (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI861172 | 1986-03-20 | ||
FI861172A FI77405C (fi) | 1986-03-20 | 1986-03-20 | Foerfarande och anordning foer framstaellning av kamflaensroer. |
Publications (2)
Publication Number | Publication Date |
---|---|
CN87101978A CN87101978A (zh) | 1987-10-07 |
CN1006969B true CN1006969B (zh) | 1990-02-28 |
Family
ID=8522333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN87101978A Expired CN1006969B (zh) | 1986-03-20 | 1987-03-19 | 生产肋式管的方法和设备 |
Country Status (36)
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3701822A1 (de) * | 1987-01-22 | 1988-08-11 | Uponor Nv | Verfahren und anordnung zum strangpressen von kunststoffrohren |
DE3779134D1 (de) * | 1987-02-19 | 1992-06-17 | Uponor Nv | Verfahren und vorrichtung zur herstellung von gerippten rohren. |
DE3725286A1 (de) * | 1987-07-30 | 1989-02-09 | Wilhelm Hegler | Verfahren und vorrichtung zum herstellen eines rippen-rohres aus kunststoff |
DE3737588C3 (de) * | 1987-11-05 | 1993-12-23 | Corma Inc | Verfahren zum Herstellen eines innen glatten, außen gerippten Rohres aus extrudierbarem Kunststoff sowie Vorrichtung zur Durchführung des Verfahrens |
US4808098A (en) * | 1988-03-16 | 1989-02-28 | Harry Chan | Pipe extrusion die with a cooled and vacuumed additional mandrel |
FI80234C (fi) * | 1988-07-05 | 1990-05-10 | Uponor Nv | Anordning foer framstaellning av gallerkonstruktioner. |
CA1303315C (en) * | 1988-09-16 | 1992-06-16 | Manfred A.A. Lupke | Apparatus for producing pipe with annular ribs |
FI85239C (fi) * | 1989-07-12 | 1992-03-25 | Uponor Nv | Anordning foer framstaellning av kamflaensroer. |
FI87321C (fi) * | 1989-10-27 | 1992-12-28 | Uponor Nv | Foerfarande och anordning foer tillverkning av kamflaensroer |
FI83187C (fi) * | 1989-10-27 | 1991-06-10 | Uponor Nv | Produktionslinje foer sloeta plastroer. |
FI905268A (fi) * | 1990-10-25 | 1992-04-26 | F I B Oy | Roerdel och foerfarande foer dess tillverkning. |
WO1992022416A1 (en) * | 1991-06-14 | 1992-12-23 | Lupke Manfred Arno Alfred | Travelling mold tunnel apparatus for smooth walled pipe |
CA2223520C (en) * | 1991-11-22 | 2001-02-06 | Manfred A. A. Lupke | Method and apparatus of forming profiled pipe |
FI98137C (fi) * | 1992-03-30 | 1997-04-25 | Uponor Bv | Menetelmä ja laite muoviputken orientoimiseksi sekä menetelmällä aikaansaatu orientoitu ripalaippamuoviputki |
DE4240268A1 (de) * | 1992-12-01 | 1994-06-09 | Wilhelm Hegler | Verfahren und Vorrichtung zur fortlaufenden Herstellung eines Verbundrohres mit einem außen im wesentlichen glatten Abschnitt |
CA2204730A1 (en) * | 1994-11-07 | 1996-05-17 | Mark Alexander Jenkins | Method of manufacturing resilient tubing |
US5824351A (en) * | 1996-07-05 | 1998-10-20 | Lupke; Manfred A. A. | Molding apparatus with non-reflective mold tunnels |
US5925307A (en) * | 1997-05-12 | 1999-07-20 | Intevep, Sa. | Method for forming oriented plastic pipe |
DE19731804A1 (de) * | 1997-07-24 | 1999-01-28 | Bayerische Motoren Werke Ag | Herstellverfahren für eine Zylinderbüchse einer Brennkraftmaschine |
FI109188B (fi) | 1998-12-23 | 2002-06-14 | Uponor Innovation Ab | Menetelmä haarallisen putken valmistamiseksi, putkenvalmistuslaite sekä haarallinen putki |
US6877976B2 (en) * | 2002-09-09 | 2005-04-12 | Manfred A. A. Lupke | Molding die for ribbed pipe |
KR100816754B1 (ko) | 2006-10-10 | 2008-03-25 | 삼성전자주식회사 | 반도체 장치의 패턴 형성 방법 |
US9505164B2 (en) | 2009-12-30 | 2016-11-29 | Schauenburg Technology Se | Tapered helically reinforced hose and its manufacture |
CN102019692B (zh) * | 2009-09-17 | 2012-12-26 | 上海公元建材发展有限公司 | 一种加筋管成型模块上的筋形结构 |
EP2442320B1 (de) * | 2010-10-15 | 2013-01-09 | ABB Technology AG | Form zum Herstellen von hohlzylinderähnlichen Formteilen |
CN102179414A (zh) * | 2011-03-07 | 2011-09-14 | 上海优控科技有限公司 | 一种新型的轧机刚度计算方法 |
US11370186B2 (en) * | 2016-04-13 | 2022-06-28 | Kongsberg Actuation Systems Ltd. | Method and apparatus for forming a corrugated fluoropolymer tube |
CN116001252B (zh) * | 2023-03-27 | 2023-06-27 | 河北雄安顺财塑胶制品有限公司 | 内肋管缠绕成型用挤压定型辅助装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3298064A (en) * | 1963-01-23 | 1967-01-17 | Jun Taga | Apparatus for molding synthetic resin bodies |
US3751209A (en) * | 1971-04-02 | 1973-08-07 | Standard Oil Co | Extrusion die with channeled die endplates |
US3891007A (en) * | 1972-07-03 | 1975-06-24 | Dayco Corp | Exteriorly corrugated hose of composite materials |
US3919367A (en) * | 1972-07-13 | 1975-11-11 | Ernest J Maroschak | Method for molding plastic pipe with enlarged portions formed therein |
SE381001B (sv) * | 1973-10-22 | 1975-11-24 | Erik G W Nordstroem | Forfarande och anordning for framstellning av kamflensror av plast |
DE2362444C2 (de) * | 1973-12-15 | 1983-06-01 | Reifenhäuser KG, 5210 Troisdorf | Vorrichtung zum Herstellen eines Rohres aus thermoplastischem Kunststoff mit Außenrippen und glattem Innenkanal |
JPS587448B2 (ja) * | 1974-09-25 | 1983-02-09 | 積水化学工業株式会社 | アツニクブト ウスニクブトオ コウゴ ニユウスル ジユシカンノ セイゾウホウホウ |
SE399206B (sv) * | 1977-03-28 | 1978-02-06 | Nordstroem Erik G W | Anordning for framstellning av ror forsedda med flensar eller dylikt pa dess utsida |
FR2424123A1 (fr) * | 1978-04-24 | 1979-11-23 | Armosig | Procede et appareillage pour la fabrication en continu de profiles tubulaires ailetes en matiere synthetique |
US4255107A (en) * | 1978-05-26 | 1981-03-10 | Advanced Drainage Systems, Inc. | Control apparatus for producing uniform thickness corrugated tubing |
US4305703A (en) * | 1980-09-12 | 1981-12-15 | Lupke Manfred Arno Alfred | Composite die assembly for use in the production of thermoplastic tubing |
CA1187258A (en) * | 1982-12-02 | 1985-05-21 | Lupke, Manfred A. A. | Method and apparatus for forming a double walled thermoplastic tube with integral bells |
-
1986
- 1986-03-20 FI FI861172A patent/FI77405C/fi not_active IP Right Cessation
- 1986-09-19 CA CA000518652A patent/CA1268615A/en not_active Expired - Lifetime
- 1986-09-23 DE DE19863632225 patent/DE3632225A1/de not_active Ceased
- 1986-09-23 US US06/910,617 patent/US4721594A/en not_active Expired - Lifetime
-
1987
- 1987-03-09 AT AT87103325T patent/ATE48560T1/de not_active IP Right Cessation
- 1987-03-09 DE DE8787103325T patent/DE3761124D1/de not_active Expired - Fee Related
- 1987-03-09 EP EP87103325A patent/EP0237900B1/en not_active Expired
- 1987-03-09 ES ES87103325T patent/ES2011780B3/es not_active Expired - Lifetime
- 1987-03-13 CS CS169687A patent/CS273323B2/cs not_active IP Right Cessation
- 1987-03-18 AU AU70155/87A patent/AU593875B2/en not_active Expired
- 1987-03-18 DK DK139987A patent/DK162926C/da not_active IP Right Cessation
- 1987-03-18 DD DD87300904A patent/DD255506A5/de not_active IP Right Cessation
- 1987-03-18 ZA ZA871980A patent/ZA871980B/xx unknown
- 1987-03-18 IS IS3208A patent/IS1471B6/is unknown
- 1987-03-18 SU SU874202224A patent/SU1570646A3/ru active
- 1987-03-18 IN IN190/MAS/87A patent/IN169391B/en unknown
- 1987-03-18 IL IL81935A patent/IL81935A/xx not_active IP Right Cessation
- 1987-03-18 HU HU871178A patent/HU206849B/hu not_active IP Right Cessation
- 1987-03-18 PT PT84506A patent/PT84506B/pt not_active IP Right Cessation
- 1987-03-18 NO NO871106A patent/NO871106L/no unknown
- 1987-03-18 MA MA21154A patent/MA20914A1/fr unknown
- 1987-03-18 MY MYPI87000315A patent/MY100581A/en unknown
- 1987-03-18 NZ NZ219682A patent/NZ219682A/xx unknown
- 1987-03-18 IE IE70987A patent/IE60194B1/en not_active IP Right Cessation
- 1987-03-18 BG BG078942A patent/BG48208A3/xx unknown
- 1987-03-19 EG EG169/87A patent/EG18129A/xx active
- 1987-03-19 BR BR8701240A patent/BR8701240A/pt not_active IP Right Cessation
- 1987-03-19 CN CN87101978A patent/CN1006969B/zh not_active Expired
- 1987-03-19 PH PH35050A patent/PH23756A/en unknown
- 1987-03-20 YU YU480/87A patent/YU44800B/xx unknown
- 1987-03-20 MX MX005649A patent/MX168748B/es unknown
- 1987-03-20 GT GT198700013A patent/GT198700013A/es unknown
- 1987-03-20 TR TR196/87A patent/TR23307A/xx unknown
- 1987-03-20 PL PL1987264744A patent/PL149530B1/pl unknown
- 1987-03-20 KR KR1019870002610A patent/KR950000191B1/ko not_active IP Right Cessation
- 1987-03-20 JP JP62067689A patent/JPS62230442A/ja active Granted
-
1989
- 1989-09-29 GR GR89300069T patent/GR890300069T1/el unknown
-
1990
- 1990-03-12 GR GR90400139T patent/GR3000382T3/el unknown
Also Published As
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