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Method Of Manufacturing A 7Xxx-Series Aluminium Alloy Plate Product Having Improved Fatigue Failure Resistance - EP3807434

The patent EP3807434 was granted to Aleris Rolled Products Germany on Sep 17, 2025. The application was originally filed on Jun 5, 2019 under application number EP19729715A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3807434

ALERIS ROLLED PRODUCTS GERMANY
Application Number
EP19729715A
Filing Date
Jun 5, 2019
Status
Patent Maintained As Amended
Aug 15, 2025
Grant Date
Sep 17, 2025
External Links
Slate, Register, Google Patents

Patent Summary

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Patent Family

Patent Oppositions (2)

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ARCONICJun 13, 2023LENZING GERBER STUTEADMISSIBLE
C TEC CONSTELLIUM TECHNOLOGY CENTERCONSTELLIUM ISSOIREJun 7, 2023CONSTELLIUM PROPRIETE INDUSTRIELLEADMISSIBLE

Patent Citations (14) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication NumberPublication Link
DESCRIPTIONUS5221377
DESCRIPTIONUS7097719
INTERNATIONAL-SEARCH-REPORTEP3101149
INTERNATIONAL-SEARCH-REPORTUS2014224386
OPPOSITIONEP0686705
OPPOSITIONEP1420896
OPPOSITIONEP3115474
OPPOSITIONFR2715408
OPPOSITIONJP2000119782
OPPOSITIONJP2007182628
OPPOSITIONJPH11140610
OPPOSITIONUS2012085470
OPPOSITIONUS5221377
OPPOSITIONUS7097719

Non-Patent Literature (NPL) Citations (29) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- Airbus Material Specification AIMS 03-02-024 (Feb. 2002) - 7055 in T7951 temper-
OPPOSITION- Airbus Material Specification AIMS 03-02-027 (June 2003) - 7055 in T7951 temper-
OPPOSITION- Analyse théorique et expérimentale de l’effort et du couple dans le laminage des matériaux superplastiques - A.R. Ragab, B. Baudelet, 1978 - https://hal.science/jpa-00244480v1-
OPPOSITION- Anonymous, "3.6 DC Ingot Casting", Anonymous, Anonymous, Rolling Aluminum: From the Mine Through the Mill (3rd Edition), The Aluminum Association, Inc., (20080101), pages 3.6 - 3.7, XP009552879-
OPPOSITION- Anonymous, "3.7.5 7055 ALLOY", Anonymous, Anonymous, METALLIC MATERIALS AND ELEMENTS FOR AEROSPACE VEHICLE STRUCTURES, DEPARTMENT OF DEFENSE, (20030131), pages 3 - 3-367, XP009552885-
OPPOSITION- Anonymous, "6.2 Solution Heat Treatment: "Soaking" / Quenching", Rolling Aluminum: From the Mine Through the Mill (3rd Edition), The Aluminum Association, Inc., (20080101), pages 6.2 - 6.2, XP009552880-
OPPOSITION- Anonymous, "AIMS Airbus Industrie Material Specification - Aluminium alloy (7055) Solution treated, controlled stretched and artificially aged (T7951) Age formable Plate 19,0 mm < a < 40,0 mm Close-tolerance flatness", AIRBUS INDUSTRIE, (20020201), XP093126985-
OPPOSITION- Anonymous, "AIMS Airbus Material Specification - Aluminium alloy (7055) Solution treated, controlled stretched and artificially aged (T7951) High Fatigue Age formable 25,0 mm < a < 40,0 mm Close-tolerance flatness", AIRBUS, (20030601), no. 1, XP093126983-
OPPOSITION- Anonymous, "International Alloy Designations and Chemical Composition Limits for Wrought Aluminum and Wrought Aluminum Alloys", Registration Record Series Teal Sheets; The Aluminum Association, (20150101), Registration Record Series Teal Sheets; The Aluminum Association, (20240202), XP093126972-
OPPOSITION- Anonymous, "Rolling Aluminun - From the mine through the mill", The Aluminum Association, (20071201), XP093114558-
OPPOSITION- Article published in 1996 Journal of Materials Processing Technology 60 (1196) pp 95-102-
OPPOSITION- Article published in 2012 Applied Mechanics and Materials Vols 157-158 (2012) pp719-726-
OPPOSITION- Department of Defense Handbook - Metallic Materials and Elements for Aerospace Vehicle Structures, December 1998-
OPPOSITION- International Alloy Designations and Chemical Composition Limits for Wrought Aluminum and Wrought Aluminum Alloys,” a.k.a, the “Teal Sheets,” the Aluminum Association (2015)-
OPPOSITION- Jamet Marc, Yves Doremus, " Mise en forme de l’aluminium - Laminage", TECHNIQUES DE L’INGÉNIEUR, (19970910), TECHNIQUES DE L’INGÉNIEUR, (20231221), XP093114564-
OPPOSITION- J. Chakrabarty, Theory of Plasticity, Third Edition, Butterworth-Heinemann, 2006, Chapter 1, page 3-
OPPOSITION- Julian H. Driver, Olaf Engler, “Design of Aluminum Rolling Processes for Foil, Sheet, and Plate,” Handbook of Metallurgical Process Design, 2004-
OPPOSITION- Julian H. Driver, Olaf Engler, "Design of Aluminum Rolling Processes for Foil, Sheet, and Plate", Julian H. Driver, Olaf Engler, George E. Totten, Kiyoshi Funatani, Lin Xie, Handbook of Metallurgical Process Design, USA, Marcel Dekker, Inc., (20040101), pages 69 - 114, ISBN 0-8247-4106-4, XP009552727-
OPPOSITION- Rolling aluminum : from the mine through the mill -Published by the aluminum association in 2008-
OPPOSITION- Rometsch, Paul A., Yong Zhang, and Steven Knight, “Heat treatment of 7xxx series aluminium alloys — Some recent developments,” Transactions of Nonferrous Metals Society of China 24.7 (2014): 2003-2017-
OPPOSITION- Table including updated deformation rate calculations-
OPPOSITION- Techniques de l’ingénieur - Ref M650 V1 - mise en forme de l’aluminium- laminage - Publication 10/09/1997-
OPPOSITION- Wusatowski, Zygmunt, „Fundamentals of Rolling“, Pergamon Press, 1969-
OPPOSITION- Wang A., Thomson P.F., Hodgson P.D., "A study of pore closure and welding in hot rolling process", JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, ELSEVIER, NL, NL , (19960601), vol. 60, no. 1-4, doi:10.1016/0924-0136(96)02313-8, ISSN 0924-0136, pages 95 - 102, XP093114567
OPPOSITION- Zygmunt Wusatowski, "CHAPTER 3 - FUNDAMENTALS OF ROLLING PROCESSES", Zygmunt Wusatowski, Zygmunt Wusatowski, Fundamentals of Rolling , Pergamon Press, (19690101), pages 69 - 202, doi:10.1016/B978-0-08-012276-2.50008-6, ISBN 978-0-08-012276-2, XP009552626
OPPOSITION- Jagabanduhu Chakrabarty, "Chapter 1: STRESSES AND STRAINS", Jagabanduhu Chakrabarty, J. Chakrabarty, Theory of Plasticity, Third Edition, Butterworth- Heinemann, (20060315), pages 1 - 55, doi:10.1016/B978-0-7506-6638-1.50007-8, ISBN 0-7506-6638-2, XP009559348
OPPOSITION- Srivatsan T.S, Anand S, Sriram S, Vasudevan V.K, "The high-cycle fatigue and fracture behavior of aluminum alloy 7055", Materials Science, ELSEVIER, AMSTERDAM, NL, AMSTERDAM, NL, (20000401), vol. 281, no. 1-2, doi:10.1016/S0921-5093(99)00716-9, ISSN 0921-5093, pages 292 - 304, XP093126962
OPPOSITION- Rometsch Paul A., Zhang Yong, Knight Steven, "Heat treatment of 7xxx series aluminium alloys—Some recent developments", Transactions of Nonferrous Metals Society of China, ELSEVIER, AMSTERDAM, NL, AMSTERDAM, NL , (20140701), vol. 24, no. 7, doi:10.1016/S1003-6326(14)63306-9, ISSN 1003-6326, pages 2003 - 2017, XP093109094
OPPOSITION- Wang Hai Xiong, Li Ji Bin, Liu Hai Jun, Wang Chang Sheng, "Research on Aluminum Plate Reversible Hot-Rolling Mathematical Model and Schedule", Applied Mechanics and Materials, Scientific.Net, CH, CH , vol. 157-158, doi:10.4028/www.scientific.net/AMM.157-158.719, ISSN 1662-7482, pages 719 - 726, XP093114565

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