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公开(公告)号：US5544808A
公开(公告)日：1996-08-13
申请号：US245544
申请日：1994-05-18
CPC分类号： B65D3/06 , B31F1/0038 , B31F1/0087 , B31F1/36 , B65D3/28 , B31B2201/25 , B31B2201/2604 , B31B2201/61 , B31B2217/082 , B31B2217/108
摘要： Containers and a method for forming such containers having larger brims with reduced brim curl defects is disclosed including providing a plurality of container blanks for forming containers, forming a plurality of container shells from the plurality of blanks, accumulating the plurality of container shells at an accumulation station, subjecting at least an upper periphery of the shells to a humid atmosphere to precondition the shells with the atmosphere preferably including steam, successively removing the shells from the accumulator and subsequently forming a brim curl about an upper periphery of the shell with the shells being subject to the humid atmosphere for a predetermined time period sufficient to form defect-free brim curls by extending the forming strain limits of the paperboard material. This method being carried out by using an accumulator for accumulating the container shells for further processing. Alternatively, the container blanks can be retained in a hopper leaving the portion of the container blank to be formed into the brim of the container exposed.
摘要翻译： 公开了一种用于形成具有较小的边缘弯曲缺陷较大的边缘的容器和方法，包括提供用于形成容器的多个容器坯料，从多个坯料形成多个容器壳体，在多个坯料中堆积多个容器壳体 将壳体的至少一个上部周边经受潮湿气氛，以优选包括蒸汽的气氛预先调节壳体，从储存器连续地移除壳体，随后围绕壳体的上周边形成边缘卷曲，壳体为壳体 经受潮湿气氛预定的时间，足以通过延长纸板材料的成形应变极限来形成无缺陷的边缘卷曲。 该方法通过使用用于积聚容器壳体的蓄能器进行进一步处理。 或者，容器坯料可以保持在料斗中，留下容器坯料的一部分以形成容器暴露的边缘。
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2.发明授权
公开(公告)号：US5472402A
公开(公告)日：1995-12-05
申请号：US208883
申请日：1994-03-11
CPC分类号： B65D3/28 , B31F1/0038 , B31F1/0087 , B31F1/36 , B65D3/06 , B31B2201/25 , B31B2201/2604 , B31B2201/61 , B31B2217/082 , B31B2217/108
摘要： Containers and a method for forming such containers having larger brims with reduced brim curl defects is disclosed including providing a plurality of container blanks for forming containers, forming a plurality of container shells from the plurality of blanks, accumulating the plurality of container shells at an accumulation station, subjecting at least an upper periphery of the shells to a humid atmosphere to precondition the shells with the atmosphere preferably including steam, successively removing the shells from the accumulator and subsequently forming a brim curl about an upper periphery of the shell with the shells being subject to the humid atmosphere for a predetermined time period sufficient to form defect-free brim curls by extending the forming strain limits of the paperboard material. This method being carried out by using an accumulator for accumulating the container shells for further processing. Alternatively, the container blanks can be retained in a hopper leaving the portion of the container blank to be formed into the brim of the container exposed.
摘要翻译： 公开了一种用于形成具有较小的边缘弯曲缺陷较大的边缘的容器和方法，包括提供用于形成容器的多个容器坯料，从多个坯料形成多个容器壳体，在多个坯料中堆积多个容器壳体 将壳体的至少一个上部周边经受潮湿气氛，以优选包括蒸汽的气氛预先调节壳体，从储存器连续地移除壳体，随后围绕壳体的上周边形成边缘卷曲，壳体为壳体 经受潮湿气氛预定的时间，足以通过延长纸板材料的成形应变极限来形成无缺陷的边缘卷曲。 该方法通过使用用于积聚容器壳体的蓄能器进行进一步处理。 或者，容器坯料可以保持在料斗中，留下容器坯料的一部分以形成容器暴露的边缘。
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公开(公告)号：US5571224A
公开(公告)日：1996-11-05
申请号：US493820
申请日：1995-06-22
CPC分类号： B65D3/06 , B31F1/0038 , B31F1/0087 , B31F1/36 , B65D3/28 , B31B2201/25 , B31B2201/2604 , B31B2201/61 , B31B2217/082 , B31B2217/108
摘要： Containers and a method for forming such containers having larger brims with reduced brim curl defects is disclosed including providing a plurality of container blanks for forming containers, forming a plurality of container shells from the plurality of blanks, accumulating the plurality of container shells at an accumulation station, subjecting at least an upper periphery of the shells to a humid atmosphere to precondition the shells with the atmosphere preferably including steam, successively removing the shells from the accumulator and subsequently forming a brim curl about an upper periphery of the shell with the shells being subject to the humid atmosphere for a predetermined time period sufficient to form defect-free brim curls by extending the forming strain limits of the paperboard material. This method being carried out by using an accumulator for accumulating the container shells for further processing. Alternatively, the container blanks can be retained in a hopper leaving the portion of the container blank to be formed into the brim of the container exposed.
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公开(公告)号：US5729914A
公开(公告)日：1998-03-24
申请号：US493843
申请日：1995-06-22
CPC分类号： B65D3/28 , B31F1/0038 , B31F1/0087 , B31F1/36 , B65D3/06 , B31B2201/25 , B31B2201/2604 , B31B2201/61 , B31B2217/082 , B31B2217/108
摘要： Containers and a method for forming such containers having larger brims with reduced brim curl defects is disclosed including providing a plurality of container blanks for forming containers, forming a plurality of container shells from the plurality of blanks, accumulating the plurality of container shells at an accumulation station, subjecting at least an upper periphery of the shells to a humid atmosphere to precondition the shells with the atmosphere preferably including steam, successively removing the shells from the accumulator and subsequently forming a brim curl about an upper periphery of the shell with the shells being subject to the humid atmosphere for a predetermined time period sufficient to form defect-free brim curls by extending the forming strain limits of the paperboard material. This method being carried out by using an accumulator for accumulating the container shells for further processing. Alternatively, the container blanks can be retained in a hopper leaving the portion of the container blank to be formed into the brim of the container exposed.
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