KR102723632B1 - 3-피스 캔용 폴리머 코팅된 강판의 제조 방법 및 그 사용 - Google Patents
3-피스 캔용 폴리머 코팅된 강판의 제조 방법 및 그 사용 Download PDFInfo
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- KR102723632B1 KR102723632B1 KR1020207011060A KR20207011060A KR102723632B1 KR 102723632 B1 KR102723632 B1 KR 102723632B1 KR 1020207011060 A KR1020207011060 A KR 1020207011060A KR 20207011060 A KR20207011060 A KR 20207011060A KR 102723632 B1 KR102723632 B1 KR 102723632B1
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Laminated Bodies (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
도 2(축척 미 적용)는 위에 적층된 4개의 넓은 스트립(8a-8d)으로 코팅되고, 후-가열되고 담금질된 주석판을 도시한다.
도 3(축척 미 적용)은 폴리머 코팅된 주석판을 4개의 좁은 폴리머 코팅된 주석판 스트립으로 길이 방향으로 분할할 수 있는 방법과, 폴리머 코팅된 주석판 또는 좁은 폴리머 코팅된 주석판 스트립에서 개별 블랭크를 생성할 수 있는 방법(왼쪽)을 개략적으로 보여준다.
도 4a-4c(축척 미 적용)는 A-A 선에서의 단면도를 도시하며 4개의 넓은 스트립으로 양 측면에 코팅될 때 폴리머 코팅된 주석판을 보여준다.
도 5는 용융된 폴리머를 냉각된 가이드 롤(13) 상으로 압출하여 압출된 폴리머 필름(2)을 형성하는 압출기(12)를 도시한다.
도 6은 용접된 3-피스 캔 몸체의 단면을 보여주며 도면의 왼쪽은 용접된 부분의 확대 부분을 보여준다.
Claims (12)
- 3-피스 캔 몸체를 위한 폴리머 코팅된 주석판을 제조하는 방법에 있어서,
- 스트립 형태의 주석판(1)을 제공하는 단계;
- 인라인(in-line) 압출에 의해 하나 또는 둘의 폴리머 필름(2)을 생성하는 단계;
- 분할 수단(slitting means)(5)을 사용하여 상기 인라인 압출된 폴리머 필름(들)을 길이 방향으로 N개의 넓은 폴리머 필름 스트립들(3a-3d)과 상기 넓은 폴리머 필름 스트립들(3a-3d) 사이로부터 절단된 N-1개의 좁은 폴리머 필름 스트립들(4a-4c)로 분할하는 단계(여기서, N은 2 이상);
- 상기 폴리머 코팅된 주석판의 에지들에 폴리머 필름이 없도록 하기 위해 상기 폴리머 필름(2)의 폭이 상기 주석판(1)의 폭보다 작도록 상기 폴리머 필름(2)의 에지들을 인라인 조절(trimming)하는 단계;
- 배출 수단(6)에 의해 상기 좁은 폴리머 스트립들(4a-4c) 및 상기 절단된 에지들을 상기 넓은 폴리머 스트립들(3a-3d)로부터 분리시키는 단계;
- 상기 분리된 둘 이상의 넓은 폴리머 필름 스트립들(3a-3d)을 닙-롤(nip-roll) 조립체(7)로 이송하는 단계;
- 상기 주석판을 예열하고 이어서 상기 닙-롤 조립체(7)에 의해 상기 예열된 주석판 상에 상기 둘 이상의 넓은 폴리머 필름 스트립(3a-3d)을 코팅하여, 상기 폴리머가 필름이 없는 좁은 스트립들(9a-9c)에 의해 길이 방향으로 공간적으로 분리된 상기 둘 이상의 넓은 폴리머 필름 스트립(8a-8d)을 가진 폴리머 코팅된 주석판을 얻는 단계 - 여기서 상기 폴리머 코팅된 주석판의 에지들(10, 10b)은 상기 폴리머 필름이 없는 상태로 유지됨;
- 후-가열(post-heat) 장치(15)에서 상기 폴리머 코팅된 주석판을 상기 폴리머 필름(들)(2)의 융점보다 높은 온도로 또는 상기 폴리머 필름(2)이 다층 시스템인 경우 상기 다층 시스템에서 가장 높은 용융 온도를 갖는 폴리머 필름 층의 융점보다 높은 온도로 후-가열하는 단계; 및
- 상기 후-가열된 폴리머 코팅 주석판을 담금질(quenching)하는 단계;
를 포함하는, 방법. - 제 1 항에 있어서,
상기 주석판(1)은 상기 닙-롤 조립체(7)에 진입하기 전에 190 ℃ 이상으로 예열되는, 방법. - 제 1 항에 있어서,
상기 담금질된 폴리머 코팅 주석판은 복수의 스트립으로 분할되며,
상기 분할은 폴리머 필름이 없는 좁은 스트립(9a-9c)에서 길이 방향으로 수행되는, 방법. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
3-피스 캔 몸체를 제조하기 위한 블랭크가 상기 담금질된 폴리머 코팅 주석판으로부터 생성되는, 방법. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 폴리머 필름(2)은 폴리에스테르, 코-폴리에스테르, 폴리에스테르의 혼합물, 폴리아미드, 또는 폴리올레핀을 포함하는, 방법. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 폴리머 필름(2)은 5 ㎛ ~ 35 ㎛ 범위의 두께를 가지는, 방법. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 압출 공정에 의해 생성된 상기 폴리머 필름(들)(2)은 배향되지 않는(non-oriented), 방법. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 압출된 폴리머 필름(2), 상기 얻어진 넓은 폴리머 필름(3a-3d) 및 상기 주석판(1)의 이동 방향은 상기 압출기 및 닙-롤 조합의 기계 방향이며,
상기 좁은 폴리머 필름 스트립들(4a-4c)을 상기 넓은 폴리머 필름 스트립들(3a-3d) 사이로부터 제거함으로서 만들어진 갭의 폭이 상기 폴리머 코팅된 주석판의 상기 폴리머가 없는 좁은 스트립들(9a-9c)의 폭과 같도록, 상기 이동 방향이 변경되지 않고 상기 기계 방향에 평행하게 유지되는, 방법. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
결과적인 주석 층이 강 기재으로부터의 철과 합금되어 상기 주석 층의 상기 강 기재 대한 접착 및 상기 폴리머(2)의 상기 주석 또는 주석-합금 층에 대한 접착을 향상시키도록, 상기 후-가열 온도는 주석의 융점보다 높은, 방법. - 제 9 항에 있어서,
상기 후-가열 온도는 235 ℃ 이상인, 방법. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 폴리머 필름(2)은 단축(uniaxially) 또는 이축(biaxially) 배향되지 않으며 따라서 상기 예열된 주석판에 의해 가열될 때 또는 상기 닙-롤 조립체에서 적층 동안에 수축되지 않는, 방법. - 삭제
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| EP17205570 | 2017-12-05 | ||
| EP17205570.9 | 2017-12-05 | ||
| PCT/EP2018/083547 WO2019110616A1 (en) | 2017-12-05 | 2018-12-04 | Method for producing polymer coated steel sheet for 3-piece cans and use therefof |
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| KR20220117892A (ko) | 2019-12-20 | 2022-08-24 | 타타 스틸 이즈무이덴 베.뷔. | 적층 양철의 제조방법, 적층 양철, 및 적층 양철의 용도 |
| WO2021180651A1 (en) | 2020-03-09 | 2021-09-16 | Tata Steel Ijmuiden B.V. | Method of producing a laminated metal sheet for packaging applications and laminated metal sheet for packaging applications produced thereby |
| WO2025157753A1 (en) | 2024-01-22 | 2025-07-31 | Tata Steel Ijmuiden B.V. | Improved method for producing can bodies for 3-piece cans and apparatus for performing said method |
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| GB8724239D0 (en) * | 1987-10-15 | 1987-11-18 | Metal Box Plc | Laminated metal sheet |
| FR2638429B1 (fr) * | 1988-10-19 | 1991-01-25 | Toyo Kohan Co Ltd | Tole d'acier revetue d'un film de resine polyester et son procede de production |
| US5094924A (en) * | 1988-10-19 | 1992-03-10 | Kenzo Matsui | Polyester resin film laminated steel sheet for drawn and ironed can |
| US5236533A (en) * | 1989-01-23 | 1993-08-17 | Nippon Steel Corporation | Resin-sandwiched metal laminate, process and apparatus for producing the same and process for producing resin film for the resin-sandwiched metal laminate |
| JP3010368B2 (ja) | 1990-08-07 | 2000-02-21 | 大和製罐株式会社 | 金属コイルへの印刷済フイルム連続ラミネート方法 |
| JP2583472B2 (ja) * | 1992-10-02 | 1997-02-19 | 東洋鋼鈑株式会社 | 熱可塑性樹脂フィルムストライプ状被覆金属板およびその製造方法 |
| JP3016983B2 (ja) * | 1992-12-21 | 2000-03-06 | 東洋鋼鈑株式会社 | 溶接缶用ストライプ状熱可塑性樹脂被覆鋼板の製造方法 |
| GB9306140D0 (en) * | 1993-03-25 | 1993-05-19 | Metal Box Plc | Process & apparatus for producing laminated materials |
| US5407702A (en) * | 1993-05-05 | 1995-04-18 | Aluminum Company Of America | Method for coating a metal strip |
| JP3333410B2 (ja) | 1996-11-22 | 2002-10-15 | 東洋鋼鈑株式会社 | 樹脂被覆金属板の製造方法、樹脂被覆金属板、それを用いた樹脂被覆缶胴および樹脂被覆缶 |
| JP3898991B2 (ja) * | 2002-07-25 | 2007-03-28 | 新日本製鐵株式会社 | ストライプラミネート鋼板の製造装置および製造方法 |
| JP2005074781A (ja) * | 2003-08-29 | 2005-03-24 | Toyo Kohan Co Ltd | ストライプ状樹脂フィルム積層金属板の製造方法および製造装置 |
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| EP3720708A1 (en) | 2020-10-14 |
| CN111328309B (zh) | 2023-01-06 |
| KR20200094131A (ko) | 2020-08-06 |
| WO2019110616A1 (en) | 2019-06-13 |
| ES2898276T3 (es) | 2022-03-04 |
| EP3720708B1 (en) | 2021-09-15 |
| RS62535B1 (sr) | 2021-11-30 |
| JP7278282B2 (ja) | 2023-05-19 |
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