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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0477678 (1974-06-10) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 17 인용 특허 : 0 |
An easy opening ecology end having retained vent and pour tear strips is formed by an end wall having two lines of weaknesses. One line of weakness defines a vent opening while the other line of weakness defines a pour opening. Attached to each of the tear strips is a tab including a body member and
An easy opening container wall comprising: means forming an end wall, a line of weakness in said end wall defining a tear portion at least partly removable from said end wall to form a pour opening, a second line of weakness spaced from said line of weakness and defining a vent strip forming a vent
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