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公开(公告)号：US20080163992A1
公开(公告)日：2008-07-10
申请号：US11904608
申请日：2007-09-27
IPC分类号： D21F11/00
CPC分类号： D21H21/54 , D21H19/20 , D21H19/22 , D21H19/28 , D21H27/10 , Y10T428/1303 , Y10T428/1348 , Y10T428/24355 , Y10T428/24455 , Y10T428/25 , Y10T428/254 , Y10T428/273 , Y10T428/277 , Y10T428/2985 , Y10T428/31902 , Y10T428/31989 , Y10T428/31993
摘要： The invention provides a low density paperboard material and associated method for use in producing an insulated container, and is especially well-suited for making cups. The paperboard material comprises a paperboard web including wood fibers and expanded microspheres, and has a relatively low density ranging from about 6 to about 10 lb/3 MSF/mil, a relatively high caliper ranging from about 24 to about 35 mil, and an internal bond strength of at least about 80×10−3 ft-lbf., preferably at least 100×10−3 lft-lbf. For applications such as cups the material is also coated on one or both sides with a barrier coating, preferably low density polyethylene, to limit liquid penetration into the web. The low density paperboard material of the invention is convertible for manufacture of containers, particularly cups, and exhibits insulative properties comparable to higher cost materials conventionally used to make cups. Also, the surface of the low density board may have a Sheffield smoothness of 300 SU or greater compared with the surface smoothness of 160 to 200 SU for conventional cupstock, the latter having been thought necessary for adequate print quality. However, it has been found that the low density board exhibits good printability on flexo printing machines despite its relatively rough surface, which is surprising and bonus effect realized along with the insulative and other properties of the board.
摘要翻译： 本发明提供一种用于制造隔热容器的低密度纸板材料和相关方法，特别适合于制造杯子。 纸板材料包括包含木纤维和膨胀微球体的纸板网，并且具有约6至约10lb / 3 MSF / mil的相对较低的密度，约24至约35密耳的相对较高的卡尺，以及内部 粘合强度为至少约80×10 -3 ft-lbf，优选至少100×10 -3ft-lbf。 对于诸如杯子的应用，材料也在一侧或两侧上涂覆有阻隔涂层，优选低密度聚乙烯，以限制液体渗透到网中。 本发明的低密度纸板材料可转换用于制造容器，特别是杯子，并具有与常规用于制造杯子的较高成本材料相当的绝缘性能。 此外，低密度板的表面可以具有300SU或更大的谢菲尔德平滑度，与常规杯状物的160至200SU的表面平滑度相比，后者被认为对于足够的打印质量是必要的。 然而，已经发现低密度板在柔版印刷机上表现出良好的印刷性，尽管其表面相对粗糙，这与板的绝缘性和其它性能一起实现了令人惊奇的效果。
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公开(公告)号：US06846529B2
公开(公告)日：2005-01-25
申请号：US10666416
申请日：2003-09-19
IPC分类号： B65D3/22 , A47G19/22 , A47J41/00 , B32B5/24 , B65D5/43 , B65D5/56 , B65D65/02 , B65D65/42 , B65D81/38 , D21H19/20 , D21H19/22 , D21H19/28 , D21H21/54 , D21H21/56 , D21H27/10 , B27N5/02 , B32B1/02 , B32B5/20 , B32B23/08
CPC分类号： D21H21/54 , D21H19/20 , D21H19/22 , D21H19/28 , D21H27/10 , Y10T428/1303 , Y10T428/1348 , Y10T428/24355 , Y10T428/24455 , Y10T428/25 , Y10T428/254 , Y10T428/273 , Y10T428/277 , Y10T428/2985 , Y10T428/31902 , Y10T428/31989 , Y10T428/31993
摘要： The invention provides a low density paperboard material for use in producing an insulated container, and is especially well-suited for making cups. The paperboard material comprises a paperboard web including wood fibers and expanded microspheres, and has a relatively low density ranging from about 6 to about 10 lb/3MSF/mil, a relatively high caliper ranging from about 24 to about 35 mil, and an internal bond strength of at least about 80×10−3 ft-lbf preferably at least 100×10−3 ft-lbf. For applications such as cups the material is also coated on one or both sides with a barrier coating, preferably low density polyethylene, to limit liquid penetration into the web. The low density paperboard material of the invention is convertible for manufacture of containers, particularly cups, and the surface of the low density board may have a Sheffield smoothness of 300 SU or greater.
摘要翻译： 本发明提供了用于制造隔热容器的低密度纸板材料，特别适用于制造杯子。 纸板材料包括包含木纤维和膨胀微球的纸板网，并且具有约6至约10lb / 3MSF / mil的相对较低的密度，约24至约35密耳的相对较高的厚度，以及内部键 至少约80×10 -3 ft -1 lbf的强度，优选至少100×10 -3 ft-lbf。 对于诸如杯子的应用，材料也在一侧或两侧上涂覆有阻隔涂层，优选低密度聚乙烯，以限制液体渗透到网中。 本发明的低密度纸板材料可转换用于制造容器，特别是杯子，并且低密度板材的表面可以具有300SU或更高的谢菲尔德平滑度。
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公开(公告)号：US07682486B2
公开(公告)日：2010-03-23
申请号：US11904609
申请日：2007-09-27
CPC分类号： D21H21/54 , D21H19/20 , D21H19/22 , D21H19/28 , D21H27/10 , Y10T428/1303 , Y10T428/1348 , Y10T428/24355 , Y10T428/24455 , Y10T428/25 , Y10T428/254 , Y10T428/273 , Y10T428/277 , Y10T428/2985 , Y10T428/31902 , Y10T428/31989 , Y10T428/31993
摘要： The invention provides a low density paperboard material and associated method for use in producing an insulated container, and is especially well-suited for making cups. The paperboard material comprises a paperboard web including wood fibers and expanded microspheres, and has a relatively low density ranging from about 6 to about 10 lb/3MSF/mil, a relatively high caliper ranging from about 24 to about 35 mil, and an internal bond strength of at least about 80×10−3 ft-lbf., preferably at least 100×10−3 lft-lbf. For applications such as cups the material is also coated on one or both sides with a barrier coating, preferably low density polyethylene, to limit liquid penetration into the web. The low density paperboard material of the invention is convertible for manufacture of containers, particularly cups, and exhibits insulative properties comparable to higher cost materials conventionally used to make cups. Also, the surface of the low density board may have a Sheffield smoothness of 300 SU or greater compared with the surface smoothness of 160 to 200 SU for conventional cupstock, the latter having been thought necessary for adequate print quality. However, it has been found that the low density board exhibits good printability on flexo printing machines despite its relatively rough surface, which is surprising and bonus effect realized along with the insulative and other properties of the board.
摘要翻译： 本发明提供一种用于制造隔热容器的低密度纸板材料和相关方法，特别适用于制造杯子。 纸板材料包括包含木纤维和膨胀微球的纸板网，并且具有约6至约10lb / 3MSF / mil的相对较低的密度，约24至约35密耳的相对较高的厚度，以及内部键 强度为至少约80×10 -3 ft-lbf，优选为至少100×10 -3 lft-lbf。 对于诸如杯子的应用，材料也在一侧或两侧上涂覆有阻隔涂层，优选低密度聚乙烯，以限制液体渗透到网中。 本发明的低密度纸板材料可转换用于制造容器，特别是杯子，并具有与常规用于制造杯子的较高成本材料相当的绝缘性能。 此外，低密度板的表面可以具有300SU或更大的谢菲尔德平滑度，与常规杯状物的160至200SU的表面平滑度相比，后者被认为对于足够的打印质量是必要的。 然而，已经发现低密度板在柔版印刷机上表现出良好的印刷性，尽管其表面相对粗糙，这与板的绝缘性和其它性能一起实现了令人惊奇的效果。
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公开(公告)号：US20080171186A1
公开(公告)日：2008-07-17
申请号：US11904609
申请日：2007-09-27
IPC分类号： B32B7/02
CPC分类号： D21H21/54 , D21H19/20 , D21H19/22 , D21H19/28 , D21H27/10 , Y10T428/1303 , Y10T428/1348 , Y10T428/24355 , Y10T428/24455 , Y10T428/25 , Y10T428/254 , Y10T428/273 , Y10T428/277 , Y10T428/2985 , Y10T428/31902 , Y10T428/31989 , Y10T428/31993
摘要： The invention provides a low density paperboard material and associated method for use in producing an insulated container, and is especially well-suited for making cups. The paperboard material comprises a paperboard web including wood fibers and expanded microspheres, and has a relatively low density ranging from about 6 to about 10 lb/3MSF/mil, a relatively high caliper ranging from about 24 to about 35 mil, and an internal bond strength of at least about 80×10−3 ft-lbf., preferably at least 100×10−3 lft-lbf. For applications such as cups the material is also coated on one or both sides with a barrier coating, preferably low density polyethylene, to limit liquid penetration into the web. The low density paperboard material of the invention is convertible for manufacture of containers, particularly cups, and exhibits insulative properties comparable to higher cost materials conventionally used to make cups. Also, the surface of the low density board may have a Sheffield smoothness of 300 SU or greater compared with the surface smoothness of 160 to 200 SU for conventional cupstock, the latter having been thought necessary for adequate print quality. However, it has been found that the low density board exhibits good printability on flexo printing machines despite its relatively rough surface, which is surprising and bonus effect realized along with the insulative and other properties of the board.
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公开(公告)号：US07740740B2
公开(公告)日：2010-06-22
申请号：US11904608
申请日：2007-09-27
CPC分类号： D21H21/54 , D21H19/20 , D21H19/22 , D21H19/28 , D21H27/10 , Y10T428/1303 , Y10T428/1348 , Y10T428/24355 , Y10T428/24455 , Y10T428/25 , Y10T428/254 , Y10T428/273 , Y10T428/277 , Y10T428/2985 , Y10T428/31902 , Y10T428/31989 , Y10T428/31993
摘要： The invention provides a low density paperboard material and associated method for use in producing an insulated container, and is especially well-suited for making cups. The paperboard material comprises a paperboard web including wood fibers and expanded microspheres, and has a relatively low density ranging from about 6 to about 10 lb/3 MSF/mil, a relatively high caliper ranging from about 24 to about 35 mil, and an internal bond strength of at least about 80×10−3 ft-lbf., preferably at least 100×10−3 lft-lbf. For applications such as cups the material is also coated on one or both sides with a barrier coating, preferably low density polyethylene, to limit liquid penetration into the web. The low density paperboard material of the invention is convertible for manufacture of containers, particularly cups, and exhibits insulative properties comparable to higher cost materials conventionally used to make cups. Also, the surface of the low density board may have a Sheffield smoothness of 300 SU or greater compared with the surface smoothness of 160 to 200 SU for conventional cupstock, the latter having been thought necessary for adequate print quality. However, it has been found that the low density board exhibits good printability on flexo printing machines despite its relatively rough surface, which is surprising and bonus effect realized along with the insulative and other properties of the board.
摘要翻译： 本发明提供一种用于制造隔热容器的低密度纸板材料和相关方法，特别适用于制造杯子。 纸板材料包括包含木纤维和膨胀微球体的纸板网，并且具有约6至约10lb / 3 MSF / mil的相对较低的密度，约24至约35密耳的相对较高的卡尺，以及内部 粘合强度为至少约80×10 -3 ft-lbf，优选为至少100×10 -3 lft-lbf。 对于诸如杯子的应用，材料也在一侧或两侧上涂覆有阻隔涂层，优选低密度聚乙烯，以限制液体渗透到网中。 本发明的低密度纸板材料可转换用于制造容器，特别是杯子，并具有与常规用于制造杯子的较高成本材料相当的绝缘性能。 此外，低密度板的表面可以具有300SU或更大的谢菲尔德平滑度，与常规杯状物的160至200SU的表面平滑度相比，后者被认为对于足够的打印质量是必要的。 然而，已经发现低密度板在柔版印刷机上表现出良好的印刷性，尽管其表面相对粗糙，这与板的绝缘性和其它性能一起实现了令人惊奇的效果。
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公开(公告)号：US07335279B2
公开(公告)日：2008-02-26
申请号：US10665330
申请日：2003-09-19
CPC分类号： D21H21/54 , D21H19/20 , D21H19/22 , D21H19/28 , D21H27/10 , Y10T428/1303 , Y10T428/1348 , Y10T428/24355 , Y10T428/24455 , Y10T428/25 , Y10T428/254 , Y10T428/273 , Y10T428/277 , Y10T428/2985 , Y10T428/31902 , Y10T428/31989 , Y10T428/31993
摘要： The invention provides a low density paperboard material and associated method for use in producing an insulated container, and is especially well-suited for making cups. The paperboard material comprises a paperboard web including wood fibers and expanded microspheres, and has a relatively low density ranging from about 6 to about 10 lb/3MSF/mil, a relatively high caliper ranging from about 24 to about 35 mil, and an internal bond strength of at least about 80×10−3 ft-lbf., preferably at least 100×10−3 lft-lbf. For applications such as cups the material is also coated on one or both sides with a barrier coating, preferably low density polyethylene, to limit liquid penetration into the web. The low density paperboard material of the invention is convertible for manufacture of containers, particularly cups, and exhibits insulative properties comparable to higher cost materials conventionally used to make cups. Also, the surface of the low density board may have a Sheffield smoothness of 300 SU or greater compared with the surface smoothness of 160 to 200 SU for conventional cupstock, the latter having been thought necessary for adequate print quality. However, it has been found that the low density board exhibits good printability on flexo printing machines despite its relatively rough surface, which is surprising and bonus effect realized along with the insulative and other properties of the board.
摘要翻译： 本发明提供一种用于制造隔热容器的低密度纸板材料和相关方法，特别适用于制造杯子。 纸板材料包括包含木纤维和膨胀微球的纸板网，并且具有约6至约10lb / 3MSF / mil的相对较低的密度，约24至约35密耳的相对较高的厚度，以及内部键 至少约80×10 -3 ft-lbf，优选至少100×10 -3ft-lbf的强度。 对于诸如杯子的应用，材料也在一侧或两侧上涂覆有阻隔涂层，优选低密度聚乙烯，以限制液体渗透到网中。 本发明的低密度纸板材料可转换用于制造容器，特别是杯子，并具有与常规用于制造杯子的较高成本材料相当的绝缘性能。 此外，低密度板的表面可以具有300SU或更大的谢菲尔德平滑度，与常规杯状物的160至200SU的表面平滑度相比，后者被认为对于足够的打印质量是必要的。 然而，已经发现低密度板在柔版印刷机上表现出良好的印刷性，尽管其表面相对粗糙，这与板的绝缘性和其它性能一起实现了令人惊奇的效果。
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公开(公告)号：US20100252216A1
公开(公告)日：2010-10-07
申请号：US12820509
申请日：2010-06-22
CPC分类号： D21H21/54 , D21H19/20 , D21H19/22 , D21H19/28 , D21H27/10 , Y10T428/1303 , Y10T428/1348 , Y10T428/24355 , Y10T428/24455 , Y10T428/25 , Y10T428/254 , Y10T428/273 , Y10T428/277 , Y10T428/2985 , Y10T428/31902 , Y10T428/31989 , Y10T428/31993
摘要： The invention provides a low density paperboard material and associated method for use in producing an insulated container, and is especially well-suited for making cups. The paperboard material comprises a paperboard web including wood fibers and expanded microspheres, and has a relatively low density ranging from about 6 to about 10 lb/3 MSF/mil (0.38 to about 0.64 g/cm3), a relatively high caliper ranging from about 24 to about 35 mil (609 to about 889 μm), and an internal bond strength of at least about 80×10−3 ft-lbf (168×10−3 kj/m2), preferably at least 100×10−3 lft-lbf (210×10−3 kj/m2). For applications such as cups the material is also coated on one or both sides with a barrier coating, preferably low density polyethylene, to limit liquid penetration into the web. The low density paperboard material of the invention is convertible for manufacture of containers, particularly cups, and exhibits insulative properties comparable to higher cost materials conventionally used to make cups. Also, the surface of the low density board may have a Sheffield smoothness of 300 SU or greater compared with the surface smoothness of 160 to 200 SU for conventional cupstock, the latter having been thought necessary for adequate print quality. However, it has been found that the low density board exhibits good printability on flexo printing machines despite its relatively rough surface, which is surprising and bonus effect realized along with the insulative and other properties of the board.
摘要翻译： 本发明提供一种用于制造隔热容器的低密度纸板材料和相关方法，特别适用于制造杯子。 纸板材料包括包含木纤维和膨胀微球的纸板网，并且具有约6至约10lb / 3 MSF / mil（0.38至约0.64g / cm 3）的相对较低的密度，从约 24至35密耳（609至约889μm），内部粘合强度至少约为80×10-3ft-lbf（168×10-3kj / m2），优选至少为100×10-3ft -lbf（210×10-3 kj / m2）。 对于诸如杯子的应用，材料也在一侧或两侧上涂覆有阻隔涂层，优选低密度聚乙烯，以限制液体渗透到网中。 本发明的低密度纸板材料可转换用于制造容器，特别是杯子，并具有与常规用于制造杯子的较高成本材料相当的绝缘性能。 此外，低密度板的表面可以具有300SU或更大的谢菲尔德平滑度，与常规杯状物的160至200SU的表面平滑度相比，后者被认为对于足够的打印质量是必要的。 然而，已经发现低密度板在柔版印刷机上表现出良好的印刷性，尽管其表面相对粗糙，这与板的绝缘性和其它性能一起实现了令人惊奇的效果。
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