KR20180098249A - 식품 용기 및 그 제조 방법 - Google Patents
식품 용기 및 그 제조 방법 Download PDFInfo
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Abstract
Description
도 2는 실시형태의 용기 본체를 나타내는 사시도이다.
도 3은 실시형태의 용기 본체를 나타내는 단면도이다.
도 4는 실시형태의 덮개체를 나타내는 평면도이다.
도 5는 실시형태의 시일부를 나타내는 단면도이다.
12 : 덮개체 13 : 시일부
111 : 개구 112 : 플랜지
113 : 돌기 12A : 평판부
12B : 외주부 121 : 환상홈
122 : 고정부 123 : 힌지
124 : 후크
Claims (7)
- 개구를 갖는 용기 본체와 상기 용기 본체의 상기 개구를 폐색하는 덮개체를 구비하고 있음과 아울러, 상기 덮개체 또는 상기 용기 본체에는 상기 덮개체에 의해서 상기 용기 본체의 개구를 폐색한 상태에서 상기 개구의 둘레가장자리부를 밀봉 상태로 하는 시일부가 형성되어 있는 식품 용기로서,
상기 시일부는 중량 평균 분자량이 100,000~500,000인 수소첨가 스티렌계 블록 공중합체 A, 중량 평균 분자량이 500 이상인 고무용 경화제 B, 및 올레핀계 수지 C를 함유하여 이루어지고, A 경도가 5 이상이고 70 이하, 100℃에서 24시간의 압축 영구 변형(CS)이 60% 이하인 엘라스토머 조성물로 이루어지는 것이며, 폴리프로필렌으로 이루어지는 상기 덮개체 또는 상기 용기 본체와 일체로 형성되어 있는 것을 특징으로 하는 식품 용기. - 제 1 항에 있어서,
상기 폴리프로필렌에는 융점이 155℃ 이상인 것이 사용되고 있는 식품 용기. - 제 1 항 또는 제 2 항에 있어서,
상기 엘라스토머 조성물 중에 있어서의 배합량은 상기 수소첨가 스티렌계 블록 공중합체 A가 100질량부에 대하여 상기 고무용 경화제 B가 50~300질량부, 상기 올레핀계 수지 C가 2~100질량부이고,
또한, 상기 수소첨가 스티렌계 블록 공중합체 A에는 스티렌계 단량체로 이루어지는 중합체 블록(a)과, 공역 디엔 화합물로 이루어지는 중합체 블록(b)으로 이루어지는 블록 공중합체 A'의 수소첨가물로서, 스티렌계 단량체로 이루어지는 중합체 블록(a)의 함유율이 10~40질량%인 것이 이용되고 있고,
또한, 상기 고무용 경화제 B에는 분자량 분포 지수(중량 평균 분자량(Mw)/수 평균 분자량(Mn))가 4.0 이하인 것이 이용되고 있는 식품 용기. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 덮개체 또는 상기 용기 본체와 일체로 형성되어 있는 상기 시일부에는 상기 용기 본체 또는 상기 덮개체의 소정 개소에 접촉되는 접촉부가 형성되어 있음과 아울러, 상기 접촉부는 전체가 평면 형상을 이루도록 소정 폭으로 형성되어 있는 식품 용기. - 제 4 항에 있어서,
상기 접촉부의 소정 폭은 상기 덮개체 및 상기 용기 본체에 있어서 상기 시일부가 일체로 형성되어 있는 개소의 폭과 상기 접촉부가 접촉되는 소정 개소의 폭을 비교해서 좁은 쪽의 폭을 1로 했을 경우에 1~20이 되도록 설정되어 있는 식품 용기. - 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,
상기 시일부는 상기 덮개체 또는 상기 용기 본체에 있어서 상기 시일부가 형성되는 부위의 두께를 1로 했을 경우에 그 두께가 1~4가 되도록 설정되어 있는 식품 용기. - 제 1 항 내지 제 6 항 중 어느 한 항에 기재된 식품 용기의 제조 방법으로서,
2색 성형용 틀을 이용하여, 덮개체 또는 용기 본체의 성형용 캐비티 내에 폴리프로필렌을 사출하여 덮개체 또는 용기 본체를 소정 형상으로 성형한 후, 시일부용 캐비티 내에 엘라스토머 조성물을 사출하고, 상기 덮개체 또는 상기 용기 본체에 있어서 개구의 둘레가장자리부가 되는 소정의 부위에 시일부가 상기 덮개체 또는 상기 용기 본체와 일체로 형성되도록 2색 성형을 행하는 것을 특징으로 하는 식품 용기의 제조 방법.
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| PCT/JP2016/088151 WO2017110897A1 (ja) | 2015-12-25 | 2016-12-21 | 食品容器及びその製造方法 |
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Also Published As
| Publication number | Publication date |
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| EP3395715A4 (en) | 2019-09-11 |
| CN107614391B (zh) | 2020-04-07 |
| JP7345927B2 (ja) | 2023-09-19 |
| JP2020055644A (ja) | 2020-04-09 |
| US11046489B2 (en) | 2021-06-29 |
| HK1249489A1 (zh) | 2018-11-02 |
| WO2017110897A1 (ja) | 2017-06-29 |
| CA3002139A1 (en) | 2017-06-29 |
| JP6654202B2 (ja) | 2020-02-26 |
| US20180118431A1 (en) | 2018-05-03 |
| EP3395715A1 (en) | 2018-10-31 |
| JPWO2017110897A1 (ja) | 2018-10-18 |
| TWI722081B (zh) | 2021-03-21 |
| KR102722002B1 (ko) | 2024-10-25 |
| JP2022153402A (ja) | 2022-10-12 |
| CN107614391A (zh) | 2018-01-19 |
| TW201729739A (zh) | 2017-09-01 |
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