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    • 6. 发明申请
    • BIODEGRADABLE CONTAINERS
    • 生物可控容器
    • US20170073913A1
    • 2017-03-16
    • US15261537
    • 2016-09-09
    • Vijay C. Patel
    • Vijay C. Patel
    • E01H1/12B65D33/18B65D33/08C08L3/02B65D33/00
    • E01H1/1206B65D33/002B65D33/08B65D33/18C08L3/02
    • Biodegradable bags for disposing of a unwanted substance are formed from a bioplastic material made from a bio based material in the form of a maize flour, and a biodegradable plasticizer selected from the group consisting of vegetable oil, polyesters made from glycerin, glycerin, derivatives of glycerin, and combinations thereof. The maize flour comprises a minor volume percent of the total volume of the bioplastic material. A biodegradable additive is used to provide a degree of stiffness to the material, a preferred additive being polylactic acid. A UV stabilizer may optionally be included. Biodegradable bags have an open end and a closed end with a sidewall extending therebetween. The bag includes a feature for enclosing a substance once placed into the bag. In an example, the feature comprises an opening through a sidewall. Alternatively, the feature may include an adhesive section.
    • 用于处理不想要的物质的可生物降解的袋由由玉米粉形式的生物基材料制成的生物塑料材料形成,并且可生物降解的增塑剂选自植物油,由甘油,甘油制成的聚酯, 甘油及其组合。 玉米面粉占生物塑料材料总体积的小体积百分比。 使用可生物降解的添加剂来为材料提供一定程度的刚度,优选的添加剂是聚乳酸。 可以任选地包括UV稳定剂。 可生物降解袋具有开口端和封闭端,侧壁在其间延伸。 该袋子包括一旦放入袋子中的物质封闭的特征。 在一个示例中,该特征包括穿过侧壁的开口。 或者,该特征可以包括粘合剂部分。
    • 7. 发明授权
    • Method of hot air sealing polymeric bag
    • 热空气密封聚合袋方法
    • US09527259B2
    • 2016-12-27
    • US14626673
    • 2015-02-19
    • AMS Associates, Inc.
    • Allen Michael Shapiro
    • B31B1/64B31B19/64B65D30/20B65D33/18
    • B31B19/64B31B70/64B31B2150/00B31B2160/10B31B2170/20B31B2219/603B31B2221/05B31B2221/10B65D31/10B65D33/18B65D33/22B65D33/24
    • The present invention concerns a gusseted flexible bag, a method of manufacturing the bag, and apparatus for manufacture of said bags, closure devices for such bags and method of sealing the bag. In one embodiment, the flexible bag of the present invention is formed from the tube of material having a front side and a rear side. A pair of laterally disposed opposing gusset folds are formed in the tube along its sides. Each of the folds has a longitudinal crease. The bag further has a rear side flap extending from the rear side of the bag across the width of the tube which is folded over onto and hot air sealed to the front side of the tube of material. The gussets each have a slit approximate a first end of the tube thereby forming a front side flap. A front side flap may also be manufactured, if desired, which is then folded over when the rear side flap is folded so that the front side flat rests under the rear side flap. The rear side flap is hot air sealed to the front side of the bag with the front side flap being sealed therebetween. In the preferred embodiment the tube of material comprises polypropylene film on the exterior of the tube and woven polypropylene film on the interior of the tube. In a preferred embodiment the woven polypropylene film on the inner surface of the rear side flap is sealed to the woven polypropylene film on the inside surface of the front side flap.
    • 本发明涉及一种角撑板的柔性袋,制造袋的方法,以及用于制造所述袋的装置,用于这种袋的封闭装置和密封袋的方法。 在一个实施例中,本发明的柔性袋由具有前侧和后侧的材料管形成。 一对横向设置的相对的角撑板折叠沿其侧面形成在管中。 每个折叠具有纵向折痕。 该袋还具有从袋的后侧延伸穿过管的宽度的后侧翼片,折叠在其上,热空气密封到材料管的前侧。 角撑板各自具有近似于管的第一端的狭缝,从而形成前侧翼片。 如果需要,也可以制造前侧翼片,然后在后侧翼片折叠时将前侧翼片折叠起来,使得前侧平板搁置在后侧翼片下方。 后侧翼片是密封在袋的前侧的热空气,其中前侧翼片被密封在其间。 在优选实施例中,材料管包括管的外部的聚丙烯膜和管的内部的编织的聚丙烯膜。 在优选的实施方案中,后侧翼片的内表面上的编织聚丙烯膜被密封到前侧翼片的内表面上的编织聚丙烯膜。