EP0388393B1 - Method of treating rolled strip - Google Patents
Method of treating rolled strip Download PDFInfo
- Publication number
- EP0388393B1 EP0388393B1 EP90890025A EP90890025A EP0388393B1 EP 0388393 B1 EP0388393 B1 EP 0388393B1 EP 90890025 A EP90890025 A EP 90890025A EP 90890025 A EP90890025 A EP 90890025A EP 0388393 B1 EP0388393 B1 EP 0388393B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- precipitation
- hardened
- tensile strength
- band
- hardenable
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title claims description 9
- 239000000463 material Substances 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011093 chipboard Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011094 fiberboard Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910000760 Hardened steel Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004881 precipitation hardening Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/02—Hardening by precipitation
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
- Y10T428/12826—Group VIB metal-base component
- Y10T428/12847—Cr-base component
Definitions
- the invention relates to a method for producing metallic strips with precipitation-hardened materials, in particular with chromium-nickel steels, and to a strip which is produced by this method.
- Endless belts and press plates are used in single-day, multi-day and double-belt presses and other devices. On such devices laminates, laminates, laminated chipboard, fiberboard and the like. Like. Made, the determination is available for both technical and decorative use.
- Such pressing tools u. between the press plates or endless strips, consist of alloys, in particular steel.
- the belt circumference can be between 6 m and 30 m, the belt width between 0.6 m and 3 m.
- the thickness of the tape is usually between 0.6 mm and 2 mm.
- the outer surface, that is to say the working surface, of the belts not only serves to carry out the required pressing pressure, that is to say the technical function, but is also intended, if appropriate, to also produce structured embossments on the surface of the product produced.
- the tape serves as a negative form. Due to the structuring and the pressures to be exerted, it is necessary to increase the wear resistance, while at the same time having a good non-stick effect against the adhesives and resins used, such as those used in the laminates, press materials and laminated chipboard, fiberboard and the like. Like. Are used, should be available. These non-stick properties are particularly advantageously achieved with one or more electroplated hard chrome layers.
- Cold-rolled austenitic chrome-nickel steels 17/7 with a tensile strength of approximately 1,200 N / mm2 or martensitic chromium-nickel steels 13/4 with a tensile strength of 1,000 N / mm2 are used as materials for such strips.
- the tensile strength of the martensitic chrome-nickel steel is low, based on the application requirements, whereas the strength of the strip made of austenistic steel, which is reduced due to the low strength of the weld seams at about 700 N / mm2, has a particularly disadvantageous effect.
- precipitation-hardenable chrome-nickel steels have good weldability, and both the base material and the weld seam can have a tensile strength of up to 1,800 N / mm2, such materials for belts have failed because of the application of hard chrome layers to the already precipitation-hardened steel strip Hydrogen diffusion in the hardened material hydrogen embrittlement occur, which lead to the breakage of the materials.
- Precipitation-hardenable chromium-nickel steels of this type have become known under the abbreviations 15-7 PH, 17-4 PH, 15-5 PH, 17-7 PH, PH 15-7 Mo, PH 13-8 Mo.
- the elements responsible for precipitation hardening are copper, aluminum, silicon and titanium.
- a method for producing galvanically coated spring steel is known.
- a soft annealed steel is galvanically coated with copper and subjected to a tempering process after a washing and drying process.
- the coated spring is heated in an oven to a temperature of approx. 810 ° C for two minutes and then quenched to a temperature between 370 ° C and 400 ° C.
- the invention has for its object to provide a method for producing a metallic tape or a metallic tape which has a high tensile strength both in the base material and in the weld seam and at the same time has a good non-stick property against adhesives and resins, such as those used in the manufacture of laminates and Like. Find use, has, furthermore, no hydrogen embrittlement of the base material and thus lower strength and service life should occur.
- the process according to the invention for the production of metallic strips with precipitation hardened materials, in particular with chromium-nickel steels, for strip or double strip presses with hot or cold rolled strips is that the strip is made of precipitation hardenable solution-annealed material with a tensile strength equal to or less than 1,250 N / mm2 galvanically with a Hard chrome layer is coated, whereupon the precipitation-hardenable material is precipitation-hardened up to at least a tensile strength of 1,400 N / mm2.
- the upstream treatment of the strip hydrogen diffusion into the steel surface during the deposition of the chrome layer is completely unexpectedly prevented. Damage due to hydrogen embrittlement of the base material occurs when the tensile strength of the base material is greater than 1,250 N / mm2.
- the band according to the invention with a precipitation-hardened material consists in that the precipitation-hardened metallic material has a tensile strength of at least 1,400 N / mm2 and a high hardness and at least one side of the band has at least one firmly adhering electrodeposited hard chrome layer.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Electroplating Methods And Accessories (AREA)
Description
Die Erfindung bezieht sich auf ein Verfahren zur Herstellung von metallischen Bändern mit ausscheidungsgehärteten Werkstoffen, insbesondere mit Chrom-Nickelstählen, und auf ein Band, das nach diesem Verfahren hergestellt ist.The invention relates to a method for producing metallic strips with precipitation-hardened materials, in particular with chromium-nickel steels, and to a strip which is produced by this method.
Endlose Bänder und Preßbleche gelangen in Einetagen-, Mehretagen- und Doppelbandpressen sowie anderen Vorrichtungen zum Einsatz. Auf derartigen Vorrichtungen werden Laminate, Schichtpreßstoffe, kaschierte Spanplatten, Faserplatten u. dgl. hergestellt, wobei die Bestimmung sowohl zur technischen als auch dekorativen Verwendung vorliegt. Derartige Preßwerkzeuge, u. zw. die Preßbleche bzw. endlosen Bänder, bestehen aus Legierungen, insbesondere aus Stahl. Entsprechend den zum Einsatz kommenden Einrichtungen kann der Bandumfang zwischen 6 m und 30 m, die Bandbreite zwischen 0,6 m und 3 m betragen. Die Dicke des Bandes beträgt in der Regel zwischen 0,6 mm und 2 mm. Die Außenoberfläche, also die Arbeitsfläche, der Bänder dient nicht alleine dazu, den erforderlichen Preßdruck, also die technische Funktion, auszuführen, sondern soll gegebenenfalls auch zur Herstellung von strukturierten Prägungen auf der Oberfläche des erzeugten Produktes führen. Das Band dient hiebei als Negativform. Auf Grund der Strukturierung und der auszuübenden Drucke ist es erforderlich, den Verschleißwiderstand zu erhöhen, wobei gleichzeitig eine gute Antihaftwirkung gegenüber den zum Einsatz gelangenden Klebern und Harzen, wie sie bei den Laminaten, Preßstoffen und kaschierten Spanplatten, Faserplatten u. dgl. zum Einsatz kommen, vorliegen soll. Diese Antihafteigenschaften werden besonders vorteilhaft mit einer oder mehreren galvanisch aufgebrachten Hartchromschichten erreicht.Endless belts and press plates are used in single-day, multi-day and double-belt presses and other devices. On such devices laminates, laminates, laminated chipboard, fiberboard and the like. Like. Made, the determination is available for both technical and decorative use. Such pressing tools, u. between the press plates or endless strips, consist of alloys, in particular steel. Depending on the equipment used, the belt circumference can be between 6 m and 30 m, the belt width between 0.6 m and 3 m. The thickness of the tape is usually between 0.6 mm and 2 mm. The outer surface, that is to say the working surface, of the belts not only serves to carry out the required pressing pressure, that is to say the technical function, but is also intended, if appropriate, to also produce structured embossments on the surface of the product produced. The tape serves as a negative form. Due to the structuring and the pressures to be exerted, it is necessary to increase the wear resistance, while at the same time having a good non-stick effect against the adhesives and resins used, such as those used in the laminates, press materials and laminated chipboard, fiberboard and the like. Like. Are used, should be available. These non-stick properties are particularly advantageously achieved with one or more electroplated hard chrome layers.
Die zum Einsatz gelangenden Bänder sollen eine gute Formstabilität bei den thermischen und mechanischen Beanspruchungen während des Preßvorganges aufweisen und insbesondere plastische Verformungen vermeiden, wobei gleichzeitig aus Gründen einer vorteilhaften Energiebilanz bei dem Arbeitsverfahren die Preßbänder besonders dünn ausgebildet werden sollen. Zur Vermeidung von plastischen, also dauerhaften, Verformungen ist eine hohe Streckgrenze des Bandwerkstoffes bevorzugt.The belts used should have good dimensional stability in the thermal and mechanical stresses during the pressing process and in particular avoid plastic deformations, while at the same time the pressing belts should be made particularly thin for reasons of an advantageous energy balance in the working process. To avoid plastic, i.e. permanent, deformation, a high yield strength of the strip material is preferred.
Als Werkstoffe für derartige Bänder kommen kaltgewalzte austenitische Chrom-Nickelstähle 17/7 mit einer Zugfestigkeit mit etwa 1.200 N/mm² bzw. martensitische Chrom-Nickelstähle 13/4 mit einer Zugfestigkeit um 1.000 N/mm² zum Einsatz. Die Zugfestigkeit des martensitischen Chrom-Nickelstahles ist, bezogen auf die Anwendungserfordernisse, gering, wohingegen die, durch die geringe Festigkeit der Schweißnähte mit etwa 700 N/mm², reduzierte Festigkeit des Bandes aus austenistischem Stahl sich besonders nachteilig auswirkt.Cold-rolled austenitic chrome-nickel steels 17/7 with a tensile strength of approximately 1,200 N / mm² or martensitic chromium-nickel steels 13/4 with a tensile strength of 1,000 N / mm² are used as materials for such strips. The tensile strength of the martensitic chrome-nickel steel is low, based on the application requirements, whereas the strength of the strip made of austenistic steel, which is reduced due to the low strength of the weld seams at about 700 N / mm², has a particularly disadvantageous effect.
Obwohl die ausscheidungshärtbaren Chrom-Nickelstähle eine gute Schweißbarkeit aufweisen, und sowohl das Grundmatrial als auch die Schweißnaht eine Zugfestigkeit bis zu 1.800 N/mm² aufweisen können, sind derartige Werkstoffe für Bänder daran gescheitert, daß bei der Aufbringung von Hartchromschichten auf das bereits ausscheidungsgehärtete Stahlband durch Wasserstoffdiffusion in den gehärteten Werkstoff Wasserstoffversprödungen auftreten, die bis zum Bruch der Werkstoffe führen. Derartige ausscheidungshärtbare Chrom-Nickelstähle sind unter den Kurzbezeichnungen 15-7 PH, 17-4 PH, 15-5 PH, 17-7 PH, PH 15-7 Mo, PH 13-8 Mo bekannt geworden. Als für die Ausscheidungshärtung verantwortlichen Elemente sind Kupfer, Aluminium, Silizium, Titan zu nennen.Although the precipitation-hardenable chrome-nickel steels have good weldability, and both the base material and the weld seam can have a tensile strength of up to 1,800 N / mm², such materials for belts have failed because of the application of hard chrome layers to the already precipitation-hardened steel strip Hydrogen diffusion in the hardened material hydrogen embrittlement occur, which lead to the breakage of the materials. Precipitation-hardenable chromium-nickel steels of this type have become known under the abbreviations 15-7 PH, 17-4 PH, 15-5 PH, 17-7 PH, PH 15-7 Mo, PH 13-8 Mo. The elements responsible for precipitation hardening are copper, aluminum, silicon and titanium.
Aus der CH-A-226.028 wird ein Verfahren zur Verbesserung der Haftung von Chromschichten auf Eisen- und Stahlsubstraten bekannt. Die bessere Haftung zwischen der Chromschichte und dem Untergrund aus Eisen und Stahl soll hiebei durch ein thermisches Diffusionsverfahren verbessert werden. Zwischen der Chromschichte und dem Substrat aus Eisen oder Stahl kann eine weitere Zwischenschichte, beispielsweise aus Nickel oder Kobalt vorgesehen sein.From CH-A-226.028 a method for improving the adhesion of chrome layers on iron and steel substrates is known. The better adhesion between the chrome layer and the iron and steel substrate is to be improved by a thermal diffusion process. A further intermediate layer, for example made of nickel or cobalt, can be provided between the chrome layer and the substrate made of iron or steel.
Aus der GB-A-797.423 wird ein Verfahren zur Herstellung von galvanisch beschichtetem Federstahl bekannt. Es wird hiebei ein weichgeglühter Stahl galvanisch mit Kupfer beschichtet und nach einem Wasch- und Trockenvorgang einem Anlaßvorgang unterzogen. Hiebei wird zuerst die beschichtete Feder auf zwei Minuten in einem Ofen auf eine Temperatur von ca. 810° C erhitzt und anschließend auf eine Temperatur zwischen 370° C und 400° C abgeschreckt.From GB-A-797.423 a method for producing galvanically coated spring steel is known. A soft annealed steel is galvanically coated with copper and subjected to a tempering process after a washing and drying process. First, the coated spring is heated in an oven to a temperature of approx. 810 ° C for two minutes and then quenched to a temperature between 370 ° C and 400 ° C.
Der Erfindung ist zur Aufgabe gesetzt, ein Verfahren zur Herstellug eines metallischen Bandes bzw. ein metallisches Band zu schaffen, das eine hohe Zugfestigkeit sowohl im Grundmaterial als auch in der Schweißnaht aufweist und gleichzeitig eine gute Antihafteigenschaft gegenüber Klebern und Harzen, wie sie bei der Herstellung von Laminaten u. dgl. Verwendung finden, besitzt, wobei weiters keine Wasserstoffversprödung des Grundwerkstoffes und damit geringere Festigkeit und Lebensdauer auftreten soll.The invention has for its object to provide a method for producing a metallic tape or a metallic tape which has a high tensile strength both in the base material and in the weld seam and at the same time has a good non-stick property against adhesives and resins, such as those used in the manufacture of laminates and Like. Find use, has, furthermore, no hydrogen embrittlement of the base material and thus lower strength and service life should occur.
Das erfindungsgemäße Verfahren zur Herstellung von metallischen Bändern mit ausscheidungsgehärteten Werkstoffen, insbesondere mit Chrom-Nickelstählen, für Band- oder Doppelbandpressen mit warm- oder kaltgewalzten Bändern besteht darin, daß das Band aus ausscheidungshärtbarem lösungsgeglühtem Werkstoff mit einer Zugfestigkeit gleich oder kleiner 1.250 N/mm² galvanisch mit einer Hartchromschichte beschichtet wird, worauf der ausscheidungshärtbare Werkstoff bis zumindest einer Zugfestigkeit von 1.400 N/mm² ausscheidungsgehärtet wird. Mit der vorgeschalteten Behandlung des Bandes wird völlig unerwartet die Wasserstoffdiffusion in die Stahloberfläche bei der Abscheidung der Chromschichte verhindert. Eine Schädigung durch Wasserstoffversprödung des Grundwerkstoffes tritt dann auf, wenn die Zugfestigkeit desselben größer als 1.250 N/mm² ist.The process according to the invention for the production of metallic strips with precipitation hardened materials, in particular with chromium-nickel steels, for strip or double strip presses with hot or cold rolled strips is that the strip is made of precipitation hardenable solution-annealed material with a tensile strength equal to or less than 1,250 N / mm² galvanically with a Hard chrome layer is coated, whereupon the precipitation-hardenable material is precipitation-hardened up to at least a tensile strength of 1,400 N / mm². With the upstream treatment of the strip, hydrogen diffusion into the steel surface during the deposition of the chrome layer is completely unexpectedly prevented. Damage due to hydrogen embrittlement of the base material occurs when the tensile strength of the base material is greater than 1,250 N / mm².
Das erfindungsgemäße Band mit einem ausscheidungsgehärteten Werkstoff besteht darin, daß der ausscheidungsgehärtete metallische Werkstoff eine Zugfestigkeit von zumindest 1.400 N/mm² und eine hohe Härte aufweist und zumindest eine Seite des Bandes zumindest eine festhaftende galvanisch abgeschiedene Hartchromschichte aufweist.The band according to the invention with a precipitation-hardened material consists in that the precipitation-hardened metallic material has a tensile strength of at least 1,400 N / mm² and a high hardness and at least one side of the band has at least one firmly adhering electrodeposited hard chrome layer.
Claims (2)
- Method for manufacturing metal bands with precipitation-hardened materials, in particular with chrome-nickel steels, for band presses or double-band presses with hot-rolled or cold-rolled bands, characterized in that the band of precipitation-hardenable, solution-treated material with a tensile strength equal to or less than 1250 N/mm² is coated galvanically with a hard chrome coating, whereupon the precipitation-hardenable material is precipitation-hardened to at least a tensile strength of 1400 N/mm².
- Band manufactured by the method according to claim 1, with a precipitation-hardened material, characterised in that the precipitation-hardened metal material exhibits a tensile strength of at least 1400 N/mm² and a high level of hardness, and at least one side of the band exhibits at least one firmly adhering, galvanically precipitated hard chrome coating.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT249/89A AT392488B (en) | 1989-02-07 | 1989-02-07 | METHOD FOR TREATING TAPES IN THE HOT AND COLD ROLLED CONDITION |
| AT249/89 | 1989-02-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0388393A1 EP0388393A1 (en) | 1990-09-19 |
| EP0388393B1 true EP0388393B1 (en) | 1994-10-26 |
Family
ID=3485521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP90890025A Expired - Lifetime EP0388393B1 (en) | 1989-02-07 | 1990-02-05 | Method of treating rolled strip |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5021102A (en) |
| EP (1) | EP0388393B1 (en) |
| AT (1) | AT392488B (en) |
| DE (1) | DE59007538D1 (en) |
| ES (1) | ES2064710T3 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT408088B (en) * | 1997-10-14 | 2001-08-27 | Berndorf Band Ges M B H & Co K | ENDLESS STEEL TAPE AND METHOD FOR PRODUCING THE SAME |
| DE19754950A1 (en) * | 1997-12-11 | 1999-06-24 | Horst E Kleimann | Area elements of iron, steel or special steel covered with a protective layer |
| AT412198B (en) * | 2002-11-04 | 2004-11-25 | Berndorf Band Ges M B H | Endless steel band for production of plates, e.g. wood-based and plastic plates with elevations, and chipboard, and for belt presses comprises depressions |
| SE527180C2 (en) * | 2003-08-12 | 2006-01-17 | Sandvik Intellectual Property | Rack or scraper blades with abrasion resistant layer and method of manufacture thereof |
| AT513128B1 (en) * | 2012-07-24 | 2014-02-15 | Berndorf Band Gmbh | Method for structuring a press belt |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH211118A (en) * | 1939-01-30 | 1940-08-31 | Stin | Process for producing durable metal coatings. |
| CH226028A (en) * | 1939-12-18 | 1943-03-15 | Kohle Und Eisenforschung Gmbh | Process for the production of objects with a corrosion- and heat-resistant chrome coating. |
| GB797423A (en) * | 1954-01-04 | 1958-07-02 | Sidney Geoffrey Young | Improvements in the manufacture of electro-plated spring steel |
| DE1044553B (en) * | 1956-02-24 | 1958-11-20 | Dansk Ind Syndikat Cie | Use of thermal post-treatment of hard chrome-plated parts |
| GB934559A (en) * | 1961-09-12 | 1963-08-21 | Dreher Manfrid | Method of preparing an age-hardened coated metal alloy article |
| US3615902A (en) * | 1969-04-23 | 1971-10-26 | United States Steel Corp | Corrosion-resistant steel |
| JPS5537570B2 (en) * | 1974-04-19 | 1980-09-29 | ||
| US4007351A (en) * | 1974-09-24 | 1977-02-08 | Sandco Ltd. | System for installing high strength steel belts |
| JPS5573888A (en) * | 1978-11-22 | 1980-06-03 | Nippon Kokan Kk <Nkk> | High corrosion resistant zinc-electroplated steel sheet with coating and non-coating |
| JPS56163219A (en) * | 1980-05-16 | 1981-12-15 | Nisshin Steel Co Ltd | Production of cold rolled high-tensile galvanized steel strip having low yield ratio |
| US4361448A (en) * | 1981-05-27 | 1982-11-30 | Ra-Shipping Ltd. Oy | Method for producing dual-phase and zinc-aluminum coated steels from plain low carbon steels |
| CA1270408A (en) * | 1987-04-07 | 1990-06-19 | James Alexander Evert Bell | Coated article having a base of age-hardened metal |
| JPH0347357A (en) * | 1989-03-24 | 1991-02-28 | Ikuo Hata | Folded-plate roof structure |
| JPH0347358A (en) * | 1989-07-12 | 1991-02-28 | Ig Tech Res Inc | Structure of joint for panel |
-
1989
- 1989-02-07 AT AT249/89A patent/AT392488B/en not_active IP Right Cessation
-
1990
- 1990-02-05 DE DE59007538T patent/DE59007538D1/en not_active Expired - Lifetime
- 1990-02-05 EP EP90890025A patent/EP0388393B1/en not_active Expired - Lifetime
- 1990-02-05 ES ES90890025T patent/ES2064710T3/en not_active Expired - Lifetime
- 1990-02-07 US US07/477,360 patent/US5021102A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ATA24989A (en) | 1990-09-15 |
| ES2064710T3 (en) | 1995-02-01 |
| US5021102A (en) | 1991-06-04 |
| AT392488B (en) | 1991-04-10 |
| EP0388393A1 (en) | 1990-09-19 |
| DE59007538D1 (en) | 1994-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE102009052210B4 (en) | Method for producing components with regions of different ductility | |
| EP1690606B1 (en) | Method for the manufacture of hot strip clad by rolling for further processing into cold strip | |
| DE102009025821B4 (en) | Method for producing a metal component | |
| EP2043808B1 (en) | Method for producing a component from a titanium flat product for high-temperature applications by applying an aluminium layer onto at least one side of the titanium flat product by roll-bonding and cold-rolling | |
| DE10006299T1 (en) | Process for producing a part with high mechanical properties, by forming in a press, starting from a rolled, in particular hot-rolled, coated steel strip | |
| EP2045360A1 (en) | Method for manufacturing a steel part by hot forming and steel part manufactured by hot forming | |
| DE102010030465B4 (en) | Method for producing a sheet metal part from a high-strength steel sheet material with an electrolytically applied zinc-nickel coating | |
| DE19882178B4 (en) | Stainless steel coated with intermetallic compound and method of manufacturing the same | |
| EP2327805B1 (en) | Method for producing a sheet metal part with a corrosion-resistant coating | |
| DE3810955C2 (en) | Method for producing an article from a hardened base body provided with a precious metal coating | |
| EP2065116B1 (en) | method of producing a friction compound material | |
| WO2018091039A1 (en) | Method for producing wheel discs from a dual-phase steel with improved cold workability | |
| EP0388393B1 (en) | Method of treating rolled strip | |
| EP1263540A1 (en) | Method for the production of thin-walled steel components and components produced therefrom | |
| DE102016121902A1 (en) | Process for the production of chassis parts made of micro-alloyed steel with improved cold workability | |
| AT409612B (en) | DISK-SHAPED PRESS TOOL AND METHOD FOR THE PRODUCTION THEREOF | |
| CN112567054A (en) | Method for producing a hardened steel product | |
| EP1481109B1 (en) | Use of chrome steel as raw material for corrosion-resistant spring elements and method for producing said chrome steel | |
| DE4221958C1 (en) | Method for producing a gear element of a pinion shaft | |
| DE10350885A1 (en) | Process to manufacture corrosion-proofed automotive frame member from flame-aluminised sheet steel | |
| EP0247020B1 (en) | Armour plate | |
| DE4243141C2 (en) | Cold-brittle copper-phosphor solder alloys on copper strips | |
| DE112017002175B4 (en) | Protective steel sheet with powerful cold bending properties and its manufacturing process | |
| DE2923532B1 (en) | Use of a ferritic stainless steel for objects resistant in the welded state without post-treatment against intergranular corrosion | |
| DE3100501A1 (en) | "METHOD FOR PRODUCING A PLATED STEEL PLATE OR A COMPOSITE METAL SHEET" |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 19900214 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): BE CH DE ES FR GB IT LI NL SE |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: BERNDORF BAND GESMBH |
|
| 17Q | First examination report despatched |
Effective date: 19930701 |
|
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): BE CH DE ES FR GB IT LI NL SE |
|
| ITF | It: translation for a ep patent filed | ||
| REF | Corresponds to: |
Ref document number: 59007538 Country of ref document: DE Date of ref document: 19941201 |
|
| GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 19941115 |
|
| EAL | Se: european patent in force in sweden |
Ref document number: 90890025.1 |
|
| REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2064710 Country of ref document: ES Kind code of ref document: T3 |
|
| ET | Fr: translation filed | ||
| PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
| 26N | No opposition filed | ||
| REG | Reference to a national code |
Ref country code: GB Ref legal event code: IF02 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20050201 Year of fee payment: 16 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20050210 Year of fee payment: 16 Ref country code: SE Payment date: 20050210 Year of fee payment: 16 Ref country code: CH Payment date: 20050210 Year of fee payment: 16 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 20050211 Year of fee payment: 16 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: ES Payment date: 20050228 Year of fee payment: 16 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: BE Payment date: 20050309 Year of fee payment: 16 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060205 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060206 Ref country code: ES Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060206 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060228 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060228 Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060228 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20060228 Year of fee payment: 17 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060901 |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
| EUG | Se: european patent has lapsed | ||
| GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20060205 |
|
| NLV4 | Nl: lapsed or anulled due to non-payment of the annual fee |
Effective date: 20060901 |
|
| REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20061031 |
|
| REG | Reference to a national code |
Ref country code: ES Ref legal event code: FD2A Effective date: 20060206 |
|
| BERE | Be: lapsed |
Owner name: *BERNDORF BAND G.M.B.H. Effective date: 20060228 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060228 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20090225 Year of fee payment: 20 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070205 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20100205 |