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    • 4. 发明申请
    • STITCHLESS BULK BAG WITH HEAT FUSED SEAMS AND METHOD OF PRODUCTION
    • 带热熔焊缝的无缝散装袋及生产方法
    • WO2018089504A1
    • 2018-05-17
    • PCT/US2017/060652
    • 2017-11-08
    • AMERIGLOBE, LLC
    • DUNLAP, CliffordSCHNAARS, SR., Daniel, R.VIATOR, Brody, AlanSCHNAARS, JR., Daniel
    • B65D33/00B32B37/00B29C65/02B29C65/38B29C65/00B31B50/64B65D30/08B65B51/10
    • A stitchless highly oriented polypropylene fabric bulk bag of the type that can hold 500 to 5000 pounds (226.7 to 2268 kilograms) of bulk material includes a highly oriented polypropylene fabric top, body and bottom, with a heat fused joint providing an air tight connection between the top and body, and another air tight heat fused joint connecting the body and bottom. A fill spout and discharge tube may also be provided with an air tight heat fused joint connecting the fill spout to the top and another air tight heat fused joint connecting the discharge spout to the bottom. Heat sealing machinery include heat seal bar assemblies that can self-align during heat-sealing to apply even pressure to all areas being heat sealed. A heating element is of single piece construction and can include end coupler portions as part of the single piece construction. Carrier plates used in a heat-sealing assembly line guide parts placement, provide quality checks for parts placement, and tooling set-up for machinery..
    • 一种可容纳500至5000磅(226.7至2268千克)散装材料类型的无针高取向聚丙烯织物散装袋包括高度定向的聚丙烯织物顶部,本体和底部,具有热量 在顶部和主体之间提供气密连接的熔合接头以及连接主体和底部的另一个气密热熔合接头。 填充喷口和排放管还可以设置有将填充喷口连接到顶部的气密热熔接头和将喷口连接到底部的另一个气密热熔接头。 热封机械包括热封条组件,它们可以在热封过程中自动对齐,对所有被热封的区域施加均匀的压力。 加热元件是单件结构并且可以包括作为单件结构的一部分的端部联接器部分。 用于热封装配线的载板用于指导零件放置,为零件放置提供质量检查,以及为机械设置工具。
    • 7. 发明申请
    • USE OF A MULTILAYER FILM IN A HIGH-SPEED POUCH FORMING, SEALING AND FILLING MACHINE, AND METHOD OF OPERATION
    • 在高速成型,密封和填充机器中使用多层膜及其操作方法
    • WO00069628A1
    • 2000-11-23
    • PCT/CA2000/000560
    • 2000-05-12
    • B29C53/50B29C65/00B29C65/22B29C65/38B29C65/74B32B27/32B65B9/20
    • B65B51/30B29C53/50B29C65/222B29C65/38B29C65/743B29C66/1122B29C66/4312B29C66/4322B29C66/71B29C66/723B29C66/81419B29C66/81427B29C66/81457B29C66/83221B29C66/849B29L2009/00B32B27/32B65B9/20B29K2023/14B29K2023/0633B29K2023/0625B29K2023/06
    • The multi-layer film structure having an inner sealing layer (36) which comprises metallocene resin, a core (38) which includes polypropylene copolymer and an outer layer (37) and wherein the multi-layer film structure has a thickness (X) within a range between about 50 and 70 microns (2.0 - 2.75 mil). By utilizing this thin film with specific properties the sealers may be operated at lower temperatures thereby resulting in an energy saving and they produce seals having improved seal strength of 30% to 50% as compared with known prior mono-layer polyethylene film. The seal initiation temperature is reduced by 10 DEG C to 15 DEG C and the film exhibits an improved machine direction tensile strength of 25% to 40% and an improvement of 30% to 50% in puncture resistance as compared with a 76 microns (3 mil) mono-layer polyethylene film. This results in a reduction in the sealing cycle time and an increase in the throughput of the machine. This results in a liquid pouch having a substantial improvement in drop test performance, puncture resistance and seal strength. The machine accomplishes better seals with less energy, requires less downtime for roll changes and maintenance and increase throughput.
    • 所述多层膜结构具有包含茂金属树脂的内密封层(36),包含聚丙烯共聚物的芯(38)和外层(37),并且其中所述多层膜结构的厚度(X)在 在约50和70微米之间的范围(2.0-275密耳)。 通过利用具有特定性质的该薄膜,密封剂可以在较低温度下操作,从而导致节能,并且与现有的已知单层聚乙烯薄膜相比,它们产生的密封强度提高了30%至50%。 密封起始温度降低10℃至15℃,与76微米(3)相比,该膜的抗穿刺性能提高25%至40%,提高30%至50% mil)单层聚乙烯薄膜。 这导致密封循环时间的减少和机器的生产量的增加。 这导致液体袋具有显着提高跌落测试性能,抗穿刺性和密封强度。 该机器以更少的能量实现更好的密封,需要较少的滚动更换和维护的停机时间,并提高吞吐量。