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1. WO2009041429 - ALUMINUM ALLOY FOIL

Publication Number WO/2009/041429
Publication Date 02.04.2009
International Application No. PCT/JP2008/067181
International Filing Date 24.09.2008
IPC
C22C 21/00 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
21Alloys based on aluminium
A47J 27/00 2006.01
AHUMAN NECESSITIES
47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
27Cooking-vessels
A47J 36/02 2006.01
AHUMAN NECESSITIES
47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
36Parts, details or accessories of cooking-vessels
02Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
B65D 81/34 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
81Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
34for packaging foodstuffs intended to be cooked or heated within the package
C22F 1/04 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS
1Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
04of aluminium or alloys based thereon
C22F 1/00 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS
1Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
CPC
A47J 36/02
AHUMAN NECESSITIES
47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
36Parts, details or accessories of cooking-vessels
02Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
B65D 1/34
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
1Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
34Trays or like shallow containers
B65D 2581/3472
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
2581Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
34for packaging foodstuffs or other articles intended to be cooked or heated within
3437specially adapted to be heated by microwaves
3471Microwave reactive substances present in the packaging material
3472Aluminium or compounds thereof
B65D 2581/3487
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
2581Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
34for packaging foodstuffs or other articles intended to be cooked or heated within
3437specially adapted to be heated by microwaves
3486Dielectric characteristics of microwave reactive packaging
3487Reflection, Absorption and Transmission [RAT] properties of the microwave reactive package
B65D 81/3453
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
81Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
34for packaging foodstuffs ; or other articles; intended to be cooked or heated within the package
3446specially adapted to be heated by microwaves
3453Rigid containers, e.g. trays, bottles, boxes, cups
C22C 21/00
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
21Alloys based on aluminium
Applicants
  • 東洋アルミニウム株式会社 TOYO ALUMINIUM KABUSHIKI KAISHA [JP]/[JP] (AllExceptUS)
  • 東洋アルミエコ-プロダクツ株式会社 TOYO ALUMINIUM EKCO PRODUCTS CO., LTD. [JP]/[JP] (AllExceptUS)
  • 呂 明哲 RO, Akinori [JP]/[JP] (UsOnly)
  • 多田 裕志 TADA, Hiroshi [JP]/[JP] (UsOnly)
  • 左近 貴浩 SAKON, Takahiro [JP]/[JP] (UsOnly)
Inventors
  • 呂 明哲 RO, Akinori
  • 多田 裕志 TADA, Hiroshi
  • 左近 貴浩 SAKON, Takahiro
Agents
  • 鎌田 文二 KAMADA, Bunji
Priority Data
2007-25149927.09.2007JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) ALUMINUM ALLOY FOIL
(FR) FEUILLE EN ALLIAGE D'ALUMINIUM
(JA) アルミニウム合金箔
Abstract
(EN)
An aluminum alloy foil formed container is provided which is formed of a aluminum alloy foil single body having at least a specified electric specific resistance, is excellent in formability and corrosion resistance, and is suitable for cooking by an electromagnetic cooker. Molten aluminum alloy is cast to a thickness of up to 10mm at a cooling rate of at least 100°C /second, then the cast product is cold-rolled to a thickness of 50-300&mgr;m, then the rolled product is annealed at at least 300°C for a heating retaining time of up to 10 minutes to form an aluminum alloy foil, 50-200&mgr;m in thickness and at least 6.0 &mgr;Ωcm in electric specific resistance, and it is press-formed to obtain an aluminum alloy foil formed container (10) having a bottom wall (11), a peripheral wall (12) and a flange (13). This container (10) is excellent in formability (especially pinhole resistance) and corrosion resistance, and has an electric resistance suitable for cooking by an electromagnetic cooker.
(FR)
Un récipient formé d'une feuille en alliage d'aluminium est prévu et formé d'un seul corps à feuille en alliage d'aluminium qui possède au moins une résistance électrique spécifique spécifiée, qui présente une excellente formabilité et une excellente résistance à la corrosion, et qui convient pour la cuisson par un cuiseur électromagnétique. L'alliage d'aluminium liquide est coulé selon une épaisseur allant jusqu'à 10 mm à une vitesse de refroidissement d'au moins 100 °C /seconde, puis le produit coulé est laminé à froid selon une épaisseur de 50 à 300 &mgr;m, puis le produit laminé est annelé à au moins 300 °C pendant une durée de maintien de réchauffage allant jusqu'à 10 minutes afin de former une feuille en alliage d'aluminium, qui possède une épaisseur de 50 à 200 &mgr;m et une résistance électrique spécifique d'au moins 6,0 &mgr;Ωcm, et est formé sous pression afin d'obtenir un récipient formé d'une feuille en alliage d'aluminium (10) qui possède une paroi inférieure (11), une paroi périphérique (12) et un bord (13). Ce récipient (10) présente une excellente formabilité (plus particulièrement une excellente résistance aux piqûres) et une excellente résistance à la corrosion, et possède une résistance électrique qui convient pour la cuisson par un cuiseur électromagnétique.
(JA)
 一定以上の電気比抵抗値を持つアルミニウム合金箔単体で形成され、成形性および耐食性に優れた、電磁調理器による加熱調理に好適なアルミニウム合金箔成形容器を提供することである。  アルミニウム合金の溶湯を100°C/秒以上の冷却速度で10mm以下の厚みに鋳造し、次いで50~300μmの厚みに冷間圧延し、次いで300°C以上の温度下での加熱保持時間を10分以内とする焼鈍を施して、厚みが50~200μm、電気比抵抗値が6.0μΩcm以上のアルミニウム合金箔を形成し、これをプレス成形して、底壁11と周壁12とフランジ13とを有するアルミニウム合金箔成形容器10を得たのである。この容器10は、成形性(特に耐ピンホール性)、耐食性に優れ、かつ電磁調理器による加熱調理に好適な電気抵抗を有する。
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