Impact extruded containers from recycled aluminum scrap
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C22C-021/08
C22C-021/00
C22F-001/04
B22D-021/00
C22C-021/06
B21C-023/18
B21C-023/00
B65D-083/38
출원번호
US-0617119
(2012-09-14)
등록번호
US-9663846
(2017-05-30)
발명자
/ 주소
Siles, John L.
Melancon, Samuel
Platek, Stanley M.
Chatey, Anthony
출원인 / 주소
Ball Corporation
대리인 / 주소
Sheridan Ross P.C.
인용정보
피인용 횟수 :
0인용 특허 :
69
초록▼
Novel aluminum alloys are provided for use in an impact extrusion manufacturing process to create shaped containers and other articles of manufacture. In one embodiment blends of recycled scrap aluminum are used in conjunction with relatively pure aluminum to create novel compositions which may be f
Novel aluminum alloys are provided for use in an impact extrusion manufacturing process to create shaped containers and other articles of manufacture. In one embodiment blends of recycled scrap aluminum are used in conjunction with relatively pure aluminum to create novel compositions which may be formed and shaped in an environmentally friendly process. Other embodiments include methods for manufacturing a slug material comprising recycled aluminum for use in the impact extraction process.
대표청구항▼
1. A process for manufacturing a shaped container adapted to receive an end closure from a slug in an impact extrusion manufacturing process using recycled scrap materials, comprising: providing a scrap metal comprised of at least one of a 3104, a 3004, a 3003, a 3103, 3013 and a 3105 aluminum alloy
1. A process for manufacturing a shaped container adapted to receive an end closure from a slug in an impact extrusion manufacturing process using recycled scrap materials, comprising: providing a scrap metal comprised of at least one of a 3104, a 3004, a 3003, a 3103, 3013 and a 3105 aluminum alloy;blending said at least one of said 3104, said 3004, said 3003, said 3013, said 3103, and said 3105 aluminum alloy with a prime aluminum alloy to create a recycled aluminum alloy;adding a titanium boride material to said recycled aluminum alloy;casting said recycled aluminum alloy to form a slab with a thickness of between about 28 mm and 35 mm;hot rolling the slab to reduce the thickness of the slab to between about 6 mm and about 18 mm and produce a hot milled slab;cold rolling the hot milled slab to reduce a thickness of the hot milled slap to between about 3 mm and about 14 mm to produce a milled slab;punching the milled slab to create a slug from the milled slab; anddeforming said slug comprised of said recycled aluminum alloy into a preferred shape in an impact extrusion process to form a shaped container adapted to receive an end closure. 2. The process of claim 1, wherein said blending comprises heating said 3104, said 3004, said 3003, said 3013, said 3103, said 3105, and said prime aluminum alloy in an indirect heating process. 3. The process of claim 1, wherein forming the slug further comprises: forming individual slugs from a slab formed from a casting apparatus;annealing said individual slugs in a continuous annealing process; andfinishing said slugs by shot blasting to increase the surface area. 4. The process of claim 1, further comprising doming a bottom of the container. 5. The process of claim 1, further comprising annealing the slug at a temperature between about 450 to about 570° C. 6. The process of claim 1, further comprising finishing a surface of the slug to increase the surface area of the slug. 7. The process of claim 1, further comprising lubricating a surface of the slug. 8. The process of claim 1, further comprising: finishing a surface of the slug to increase the surface area of the slug to produce a high surface area slug comprising a plurality of depressions; andlubricating the high surface area slug, wherein a force of a lubricant coats the plurality of depressions of the high surface area slug. 9. The method of claim 1, wherein the recycled alloy consists of AA1050 or AA1070. 10. A method for manufacturing a shaped container adapted to receive an end closure from a slug in an impact extrusion manufacturing process using recycled scrap materials, comprising: providing aluminum scrap material comprised of an alloy with at least about 98.5 wt. % aluminum;adding greater than 40 wt.% of a 1000 series aluminum alloy with said aluminum scrap material;melting said 1000 series aluminum alloy with said aluminum scrap material in an indirect furnace to form a new recycled alloy;casting said new recycled alloy in a casting machine to form an aluminum alloy slab with a pre-determined thickness of between about 27.94 to 35.56 mm;hot rolling said aluminum alloy slab to reduce the thickness and create a hot rolled strip;quenching said hot rolled strip in an aqueous solution to reduce the temperature at said hot rolled strip and form an alloy strip;cold rolling said alloy strip to reduce the pre-determined thickness to between about 3 mm and about 14 mm;punching said alloy strip to form recycled aluminum alloy slugs, wherein the thickness of the recycled aluminum alloy slugs is between about 3 mm and about 14 mm;annealing said recycled aluminum alloy slugs by heating said recycled aluminum alloy slugs to a predetermined temperature and subsequently cooling;texturing said recycled aluminum alloy slugs by roughening an outer surface to form a high surface area to form a finished slug; andforming the shaped container adapted to receive an end closure from the finished slug using the impact extrusion manufacturing process. 11. The method of claim 10, further comprising adding a predetermined amount of titanium boride to said new recycled alloy. 12. The method of claim 10, wherein said titanium boride is added to said new recycled alloy after said melting and prior to said casting. 13. The method of Claim 10, wherein said melting is conducted in at least one of a side well furnace and a rotary furnace to avoid direct flame impingement on said new recycled alloy. 14. The method of claim 10, wherein said casting is performed in at least one of a wheel belt caster and a twin-belt caster. 15. The method of claim 10, wherein said hot rolling and said cold rolling of said aluminum alloy slab is performed between two counter-rotating rolls with a gap between said rolls which is less than the thickness of the aluminum alloy slab. 16. The method of claim 10, wherein said punching comprises feeding said alloy strip into a die set mounted in a press. 17. The method of claim 10, wherein said texturing is comprised of at least one of impinging said recycled aluminum alloy slugs with aluminum shot and tumbling said recycled aluminum alloy slugs in a rotating drum. 18. The method of claim 10, further comprising lubricating said recycled aluminum alloy slugs after texturing. 19. The method of claim 18, wherein the recycled aluminum alloy slugs after texturing comprises a plurality of depressions, and wherein lubrication contacts the plurality of depressions. 20. The method of claim 10, wherein the slug is a cylinder. 21. The method of claim 10, wherein a height of the shaped container before trimming is between about 140 mm and about 160 mm, and a thickness of the shaped container is between about 0.21 mm and 0.27 mm.
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