DE3317501C2 - Flachdichtung, insbesondere Zylinderkopfdichtung, sowie Verfahren zu ihrer Herstellung - Google Patents
Flachdichtung, insbesondere Zylinderkopfdichtung, sowie Verfahren zu ihrer HerstellungInfo
- Publication number
- DE3317501C2 DE3317501C2 DE3317501A DE3317501A DE3317501C2 DE 3317501 C2 DE3317501 C2 DE 3317501C2 DE 3317501 A DE3317501 A DE 3317501A DE 3317501 A DE3317501 A DE 3317501A DE 3317501 C2 DE3317501 C2 DE 3317501C2
- Authority
- DE
- Germany
- Prior art keywords
- polysiloxane
- soft material
- impregnating agent
- material plate
- flat gasket
- 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 description 11
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 66
- 239000007779 soft material Substances 0.000 claims abstract description 40
- -1 polysiloxane Polymers 0.000 claims abstract description 35
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 32
- 239000000835 fiber Substances 0.000 claims abstract description 14
- 239000000945 filler Substances 0.000 claims abstract description 9
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 8
- 238000004132 cross linking Methods 0.000 claims abstract description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 239000011230 binding agent Substances 0.000 claims abstract description 4
- 239000012784 inorganic fiber Substances 0.000 claims abstract description 3
- 239000011256 inorganic filler Substances 0.000 claims abstract description 3
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 239000010425 asbestos Substances 0.000 claims description 8
- 229910052895 riebeckite Inorganic materials 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- 239000003054 catalyst Substances 0.000 claims description 6
- 229920002545 silicone oil Polymers 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical class [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical class [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 230000000181 anti-adherent effect Effects 0.000 abstract description 3
- 238000005470 impregnation Methods 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 229920002050 silicone resin Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- QEVHRUUCFGRFIF-MDEJGZGSSA-N reserpine Chemical compound O([C@H]1[C@@H]([C@H]([C@H]2C[C@@H]3C4=C(C5=CC=C(OC)C=C5N4)CCN3C[C@H]2C1)C(=O)OC)OC)C(=O)C1=CC(OC)=C(OC)C(OC)=C1 QEVHRUUCFGRFIF-MDEJGZGSSA-N 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 210000002105 tongue Anatomy 0.000 description 1
- 239000008096 xylene Substances 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/12—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
- F16J15/121—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering with metal reinforcement
- F16J15/122—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering with metal reinforcement generally parallel to the surfaces
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K3/1025—Materials in mouldable or extrudable form for sealing or packing joints or covers characterised by non-chemical features of one or more of its constituents
- C09K3/1028—Fibres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/12—Polysiloxanes containing silicon bound to hydrogen
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2003/1034—Materials or components characterised by specific properties
- C09K2003/1059—Heat-curable materials
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2003/1034—Materials or components characterised by specific properties
- C09K2003/1068—Crosslinkable materials
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2003/1087—Materials or components characterised by specific uses
- C09K2003/1096—Cylinder head gaskets
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/02—Inorganic compounds
- C09K2200/0204—Elements
- C09K2200/0213—Metals
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/02—Inorganic compounds
- C09K2200/0278—Fibres
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/02—Inorganic compounds
- C09K2200/0278—Fibres
- C09K2200/0286—Asbestos
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
- C09K2200/068—Containing also other elements than carbon, oxygen or nitrogen in the polymer main chain
- C09K2200/0685—Containing silicon
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S277/00—Seal for a joint or juncture
- Y10S277/924—Deformation, material removal, or molding for manufacture of seal
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Sealing Material Composition (AREA)
- Gasket Seals (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3317501A DE3317501C2 (de) | 1982-10-30 | 1983-05-13 | Flachdichtung, insbesondere Zylinderkopfdichtung, sowie Verfahren zu ihrer Herstellung |
| US06/536,909 US4483539A (en) | 1982-10-30 | 1983-09-28 | Method of making a cylinder head gasket |
| SE8305536A SE452792B (sv) | 1982-10-30 | 1983-10-07 | Planpackning samt forfarande for framstellning av densamma |
| ES526865A ES8501486A1 (es) | 1982-10-30 | 1983-10-28 | Procedimiento para la construccion de una junta de culata |
| GB08329056A GB2132709B (en) | 1982-10-30 | 1983-10-31 | Flat gaskets |
| ES1984281053U ES281053U (es) | 1982-10-30 | 1984-08-10 | Junta plana, especialmente junta de culata |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3240295 | 1982-10-30 | ||
| DE3317501A DE3317501C2 (de) | 1982-10-30 | 1983-05-13 | Flachdichtung, insbesondere Zylinderkopfdichtung, sowie Verfahren zu ihrer Herstellung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3317501A1 DE3317501A1 (de) | 1984-05-10 |
| DE3317501C2 true DE3317501C2 (de) | 1987-04-23 |
Family
ID=25805457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3317501A Expired DE3317501C2 (de) | 1982-10-30 | 1983-05-13 | Flachdichtung, insbesondere Zylinderkopfdichtung, sowie Verfahren zu ihrer Herstellung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4483539A ( ) |
| DE (1) | DE3317501C2 ( ) |
| ES (2) | ES8501486A1 ( ) |
| GB (1) | GB2132709B ( ) |
| SE (1) | SE452792B ( ) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3719484A1 (de) * | 1987-06-11 | 1988-12-22 | Goetze Ag | Flachdichtung aus graphitmaterial |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3431633A1 (de) * | 1984-08-29 | 1986-03-13 | Goetze Ag, 5093 Burscheid | Impraegnierte weichstoffflachdichtung, insbesondere zylinderkopfdichtung fuer verbrennungskraftmaschinen, und ihr herstellungsverfahren |
| DE3544740C1 (de) * | 1985-12-18 | 1987-06-04 | Goetze Ag | Weichstoffflachdichtung |
| DE3617721A1 (de) * | 1986-05-27 | 1987-12-03 | Lechler Elring Dichtungswerke | Verfahren zur herstellung von flachdichtungen |
| DE3643743A1 (de) * | 1986-12-20 | 1988-06-30 | Goetze Ag | Weichstoffflachdichtung |
| US4776602A (en) * | 1987-08-05 | 1988-10-11 | Dana Corporation | Thermally conductive composite gasket |
| US5228701A (en) * | 1988-03-22 | 1993-07-20 | Ucar Carbon Technology Corporation | Flexible graphite articles with an amorphous carbon phase at the surface |
| DE4122007C2 (de) * | 1990-08-23 | 1995-05-04 | Goetze Ag | Weichstoffflachdichtung und Verfahren zur Herstellung |
| US5368315A (en) * | 1992-12-28 | 1994-11-29 | Wacker Silicones Corporation | Non-stick automotive gaskets |
| DE4419007C2 (de) * | 1994-05-31 | 2000-06-15 | Freudenberg Carl Fa | Verfahren zur Herstellung einer imprägnierten Flachdichtung |
| US5938210A (en) * | 1997-09-11 | 1999-08-17 | Schatzle; Charles F. | Coated gasket material and method for making the same |
| FR2794766B1 (fr) * | 1999-06-11 | 2001-08-17 | Rhodia Chimie Sa | Procede de realisation d'un revetement anti-adherent et etanche applique sur un joint de culasse , mettant en oeuvre un materiau silicone |
| US7851703B2 (en) * | 2007-09-26 | 2010-12-14 | Thomas & Betts International, Inc. | Gasket sealing and installation process for door gasket on weatherproof outlet electrical box |
| WO2009048854A1 (en) * | 2007-10-09 | 2009-04-16 | 3M Innovative Properties Company | Mat for mounting a pollution control element for the treatment of exhaust gas |
| DE102016107516A1 (de) * | 2016-04-22 | 2017-10-26 | Elringklinger Ag | Dichtung und Herstellungsverfahren für eine Dichtung |
| CN108822561A (zh) * | 2018-07-03 | 2018-11-16 | 湖北工业大学 | 一种自修复型的硅橡胶材料 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7303470U (de) * | 1973-06-20 | Goetzewerke Goetze F Ag | Zylinderkopfdichtung fur Brenn kraftmaschinen | |
| US2197916A (en) * | 1937-01-27 | 1940-04-23 | Detroit Gasket & Mfg Company | Gasket |
| US2943010A (en) * | 1955-08-12 | 1960-06-28 | Raybestos Manhattan Inc | Composite fabric and method of making the same |
| NL6406113A ( ) * | 1963-09-09 | 1965-03-10 | ||
| DE1255924B (de) * | 1966-02-11 | 1967-12-07 | Wacker Chemie Gmbh | Bei Raumtemperatur unter Zutritt von Wasser zu Elastomeren haertende Organopolysiloxanformmassen |
| US3532349A (en) * | 1966-12-01 | 1970-10-06 | Dana Corp | No retorque cylinder head gasket |
| US4201804A (en) * | 1973-01-31 | 1980-05-06 | Goetzewerke Friedrich Goetze Ag | Gasket impregnated with a polymerizable liquid and method for its manufacture |
| DE2304505B2 (de) * | 1973-01-31 | 1977-03-03 | Goetzewerke Friedrich Goetze Ag, 5093 Burscheid | Zylinderkopfdichtung fuer brennkraftmaschinen |
| GB1564019A (en) * | 1975-10-08 | 1980-04-02 | Sorbier P | Moulding ligneous materials |
| DE2736599A1 (de) * | 1977-08-13 | 1979-02-22 | Goetzewerke | Zylinderkopfdichtung |
| DE2816459C2 (de) * | 1978-04-15 | 1982-11-04 | Goetze Ag, 5093 Burscheid | Imprägnierte Weichstoffflachdichtung, insbesondere Zylinderkopfdichtung für Verbrennungskraftmaschinen |
| JPS6039012B2 (ja) * | 1978-05-22 | 1985-09-04 | 積水プラントシステム株式会社 | タンク組立用単位板の製造法 |
| US4169185A (en) * | 1978-07-03 | 1979-09-25 | Dana Corporation | Gasket for high temperature application having sealant of phenyl and hydrocarbyl-substituted polysiloxane |
| FR2434702A1 (fr) * | 1978-09-01 | 1980-03-28 | Sorbier Pierre | Nouveau produit moulable a base de materiaux ligneux, procede pour sa f |
| GB2051975A (en) * | 1979-06-21 | 1981-01-21 | United Gas Industries Ltd | Gaskets |
| DE3042912C2 (de) * | 1980-11-14 | 1985-05-09 | Goetze Ag, 5093 Burscheid | Imprägnierte Flachdichtung, insbesondere Zylinderkopfdichtung |
-
1983
- 1983-05-13 DE DE3317501A patent/DE3317501C2/de not_active Expired
- 1983-09-28 US US06/536,909 patent/US4483539A/en not_active Expired - Fee Related
- 1983-10-07 SE SE8305536A patent/SE452792B/sv not_active IP Right Cessation
- 1983-10-28 ES ES526865A patent/ES8501486A1/es not_active Expired
- 1983-10-31 GB GB08329056A patent/GB2132709B/en not_active Expired
-
1984
- 1984-08-10 ES ES1984281053U patent/ES281053U/es active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3719484A1 (de) * | 1987-06-11 | 1988-12-22 | Goetze Ag | Flachdichtung aus graphitmaterial |
Also Published As
| Publication number | Publication date |
|---|---|
| ES526865A0 (es) | 1984-12-01 |
| ES281053U (es) | 1985-12-16 |
| SE8305536D0 (sv) | 1983-10-07 |
| US4483539A (en) | 1984-11-20 |
| SE8305536L (sv) | 1984-05-01 |
| SE452792B (sv) | 1987-12-14 |
| GB2132709B (en) | 1986-04-16 |
| ES8501486A1 (es) | 1984-12-01 |
| GB2132709A (en) | 1984-07-11 |
| DE3317501A1 (de) | 1984-05-10 |
| GB8329056D0 (en) | 1983-11-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8368 | Opposition refused due to inadmissibility | ||
| 8339 | Ceased/non-payment of the annual fee |