KR20210077602A - 컵형상 용기 - Google Patents
컵형상 용기 Download PDFInfo
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- KR20210077602A KR20210077602A KR1020200173029A KR20200173029A KR20210077602A KR 20210077602 A KR20210077602 A KR 20210077602A KR 1020200173029 A KR1020200173029 A KR 1020200173029A KR 20200173029 A KR20200173029 A KR 20200173029A KR 20210077602 A KR20210077602 A KR 20210077602A
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Abstract
[해결 수단] 컵형상 용기(1)는, 동체용 블랭크(20A)의 양단 연부끼리를 겹쳐서 접합함에 의해 통형상으로 성형되고 상단 개구 연부에 바깥쪽으로 절곡된 플랜지부(23)를 가지고 있는 동체(2)와, 저체용 블랭크(30A)를 저부(31)와 수하부(32)가 형성되도록 성형하여 이루어지는 저체(3)로 이루어진다. 동체(2)의 하단부(2a)의 내면에 수하부(32)의 외면이 접합되어 있다. 동체용 블랭크(20A) 및 저체용 블랭크(30A)의 각각이, 금속박층(201, 301)과 금속박층(201, 301)의 양면에 적층된 열융착성 수지층(202, 302)으로 이루어지는 적층체(20, 30)로 형성되어 있다. 플랜지부(23)는, 동체(2)의 상단 개구 연부로부터 지름방향 바깥쪽으로 늘어나는 상면부(23a)와, 상면부(23a)의 선단부터 하향으로 접혀 지름방향 안쪽으로 늘어나는 하면부(23b)와, 하면부(23b)의 선단부터 상향으로 접혀 상면부(23a)와 하면부(23b) 사이를 지름방향 바깥쪽으로 늘어나는 중간 개재부(23c)를 갖는 것이고, 편평형상으로 성형되어 있다.
Description
도 2는 도 1의 Ⅱ-Ⅱ선에 따른 수직 단면도로서, 당해 도면 중, 1점쇄선(A)으로 둘러싸인 부분은 1점쇄선(a)으로 둘러싸인 부분을 확대하여 도시한 것이고, 1점쇄선(B)으로 둘러싸인 부분은 1점쇄선(b)으로 둘러싸인 부분을 확대하여 도시한 것.
도 3의 (a)는 동체용 블랭크의 재료가 되는 적층체의 층 구조를 도시하는 확대 단면도, (b)는 저체용 블랭크의 재료가 되는 적층체의 층 구조를 도시하는 확대 단면도.
도 4는 상기 컵형상 용기에서의 동체의 오버랩부를 확대하여 도시하는 수평 단면도.
도 5는 상기 컵형상 용기에서의 동체의 플랜지부를 확대하여 도시하는 수직 단면도.
도 6의 (a)는 동체용 블랭크의 평면도, (b)는 동체용 블랭크로 성형된 동체의 사시도.
도 7의 (a)는 저체용 블랭크의 평면도, (b)는 저체용 블랭크로 성형된 저체의 사시도.
도 8은 상기 컵형상 용기에서의 동체의 플랜지부의 성형 공정을 순차적으로 도시하는 수직 단면도.
도 9는 상기 컵형상 용기의 제조 공정의 일부를 도시하는 수직 단면도.
도 10은 실시례 2의 컵형상 용기의 주요부를 도시하는 것으로, 도 5에 상당하는 수직 단면도.
도 11은 비교례 1의 컵형상 용기의 주요부를 도시하는 것으로, 도 5에 상당하는 수직 단면도.
2: 동체
2a: 동체의 하단부
21: 오버랩부
23: 플랜지부
23a: 상면부
23b: 하면부
23c: 중간 개재부
231: 덮개재와의 실 영역
20A: 동체용 블랭크
20: 적층체
201: 금속박층
202: 내측 열융착성 수지층
203: 외측 열융착성 수지층
3: 저체
31: 저부
32: 수하부
30A: 저체용 블랭크
30: 적층체
301: 금속박층
302: 상측 열융착성 수지층
303: 하측 열융착성 수지층
L1: 중간 개재부의 지름방향 길이
L2: 하면부의 지름방향 길이
Claims (8)
- 동체용 블랭크의 양단 연부끼리를 겹쳐서 접합함에 의해 통형상으로 성형되어 있음과 함께 상단 개구 연부에 바깥쪽으로 절곡된 플랜지부를 가지고 있는 동체와, 저체용 블랭크를 저부와 저부의 외주 연부로부터 하방으로 늘어나는 수하부가 형성되도록 성형하여 이루어지는 단면 개략 역U형의 저체로 이루어지고, 동체의 하단부의 내면에 저체의 수하부의 외면이 접합됨에 의해 동체 및 저체가 일체화되어 있는 컵형상 용기로서,
동체용 블랭크가, 금속박층과 금속박층의 양면 중 적어도 동체의 내측이 되는 면에 적층된 열융착성 수지층으로 이루어지는 적층체로 형성된 것으로서, 동체용 블랭크의 양단 연부가 이들의 서로에 겹침면을 구성하고 있는 열융착성 수지층끼리를 열융착함에 의해 접합되어 있고,
저체용 블랭크가, 금속박층과 금속박층의 양면 중 적어도 저체의 상측이 되는 면에 적층된 열융착성 수지층으로 이루어지는 적층체로 형성된 것으로서, 동체의 하단부의 내면 및 저체의 수하부의 외면이 이들의 면을 구성하고 있는 열융착성 수지층끼리를 열융착함에 의해 접합되어 있고,
상기 컵형상 용기는, 플랜지부가, 동체의 상단 개구 연부로부터 지름방향 바깥쪽으로 늘어나는 상면부와, 상면부의 선단부터 하향으로 접혀 지름방향 안쪽으로 늘어나는 하면부와, 하면부의 선단부터 상향으로 접혀 상면부와 하면부와의 사이를 지름방향 바깥쪽으로 늘어나는 중간 개재부를 갖는 것으로서, 편평형상으로 성형되어 있는 것을 특징으로 하는 컵형상 용기. - 제1항에 있어서,
플랜지부의 상면부, 하면부 및 중간 개재부가, 이들의 서로에 겹침면을 구성하고 있는 동체용 블랭크의 열융착성 수지층끼리를 열융착함에 의해 접합되어 있는 것을 특징으로 하는 컵형상 용기. - 제1항에 있어서,
플랜지부의 중간 개재부의 지름방향 길이가, 하면부의 지름방향 길이의 0.5~1배인 것을 특징으로 하는 컵형상 용기. - 제1항에 있어서,
플랜지부의 중간 개재부가, 평면에서 보아 플랜지부의 상면에서의 덮개재와의 실 영역과 전부 또는 일부가 겹쳐지도록 형성되어 있는 것을 특징으로 하는 컵형상 용기. - 제1항에 있어서,
동체용 블랭크가, 금속박층의 양면 중 동체의 내측이 되는 면에 적층된 내측 열융착성 수지층과, 금속박층의 양면 중 동체의 외측이 되는 면에 적층된 외측 열융착성 수지층을 가지고 있고, 내측 열융착성 수지층의 두께가 30~120㎛이고, 외측 열융착성 수지층의 두께가 20~100㎛인 것을 특징으로 하는 컵형상 용기. - 제1항에 있어서,
동체용 블랭크 및 저체용 블랭크의 각각을 형성하고 있는 적층체의 금속박층이, 인장강도 : 60~370㎫, 0.2% 내력 : 25~370㎫, 두께 : 40~200㎛의 알루미늄박으로 이루어지는 것을 특징으로 하는 컵형상 용기. - 제6항에 있어서,
알루미늄박이, 질량비로 Si : 0.02~0.5%, Fe : 0.05~1.7%, Cu : 0.01~0.3%, Mn : 1.5% 이하, Mg : 100ppm 이하, Al: 95% 이상을 함유하고 있는 것을 특징으로 하는 컵형상 용기. - 제6항에 있어서,
알루미늄박이, 가공 경화된 것을 특징으로 하는 컵형상 용기.
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| JP2019227164 | 2019-12-17 | ||
| JPJP-P-2019-227164 | 2019-12-17 | ||
| JPJP-P-2019-233926 | 2019-12-25 | ||
| JP2019233926 | 2019-12-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118679103A (zh) * | 2022-03-07 | 2024-09-20 | 东罐兴业株式会社 | 容器和容器制造方法 |
| EP4678386A1 (en) * | 2024-07-08 | 2026-01-14 | Huhtamäki Oyj | Method for manufacturing a cup having a flat rim for attaching a cover, blank for forming a side wall of a cup and cup |
| WO2026012853A1 (en) * | 2024-07-08 | 2026-01-15 | Huhtamäki Oyj | Method for manufacturing a cup having a flat rim for attaching a cover, blank for forming a side wall of a cup and cup |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210077602A (ko) * | 2019-12-17 | 2021-06-25 | 쇼와 덴코 패키징 가부시키가이샤 | 컵형상 용기 |
| US20240326282A1 (en) * | 2021-07-09 | 2024-10-03 | Arboloom Ip Ag | Container and method assembling a container |
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| KR20210077602A (ko) * | 2019-12-17 | 2021-06-25 | 쇼와 덴코 패키징 가부시키가이샤 | 컵형상 용기 |
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| JPS5830955A (ja) | 1981-08-10 | 1983-02-23 | 三陽紙器株式会社 | シ−ル蓋付容器 |
| JP2007176505A (ja) | 2005-12-27 | 2007-07-12 | Yoshino Kogyosho Co Ltd | 合成樹脂製カップ状容器 |
| JP2007210639A (ja) | 2006-02-09 | 2007-08-23 | Dainippon Printing Co Ltd | 紙カップ |
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| WO2026012853A1 (en) * | 2024-07-08 | 2026-01-15 | Huhtamäki Oyj | Method for manufacturing a cup having a flat rim for attaching a cover, blank for forming a side wall of a cup and cup |
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| Publication number | Publication date |
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| CN112978005B (zh) | 2024-08-27 |
| CN215476311U (zh) | 2022-01-11 |
| CN112978005A (zh) | 2021-06-18 |
| TWI859378B (zh) | 2024-10-21 |
| TW202136121A (zh) | 2021-10-01 |
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