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    • 2. 发明授权
    • Composite container having foamed adhesive
    • 具有泡沫粘合剂的复合容器
    • US06296600B1
    • 2001-10-02
    • US09570665
    • 2000-05-15
    • Michael T. DrummondAlan D. Williams
    • Michael T. DrummondAlan D. Williams
    • B31C1104
    • B32B1/02B31C3/04B32B1/08B32B5/18B32B7/12B32B29/005B32B2439/70B65D3/22Y10T428/249984
    • A multi-ply tubular container for products is provided having a first ply wrapped into a tubular shape and having an inner surface and a second ply wrapped into a tubular shape and having an outer surface positioned in face-to-face contact with the inner surface of the first ply. At least one of the first and second plies is a body ply formed of fibrous paperboard. A foamed adhesive is placed between the inner surface of the first ply and the outer surface of the second ply. The foamed adhesive reduces moisture contact with the paperboard body ply and results in increased container strength and lower manufacturing costs. The foamed adhesive is preferably a foamed aqueous adhesive. The foamed adhesive may be a substantially pure resin adhesive or a mixture of a resin and at least one filler. The two plies may comprise a paperboard body ply and a liner ply adhered together using a foamed adhesive placed therebetween. Additional layers, such as additional paperboard plies or label plies, may also be added to the tubular container and adhered using a foamed adhesive. An apparatus and method for constructing tubular containers is also provided.
    • 提供了一种用于产品的多层管状容器,其具有包裹成管状形状的第一层,并具有内表面和第二层,其包裹成管状,并且具有与内表面面对面地定位的外表面 的第一层。 第一和第二层中的至少一个是由纤维纸板形成的主体层。 泡沫粘合剂被放置在第一层的内表面和第二层的外表面之间。 泡沫粘合剂减少与纸板体层的水分接触,并且导致增加的容器强度和较低的制造成本。 发泡粘合剂优选为发泡水性粘合剂。 发泡粘合剂可以是基本上纯的树脂粘合剂或树脂和至少一种填料的混合物。 两层可以包括布置在其间的泡沫粘合剂的纸板主体层和衬垫层粘合在一起。 另外的层,例如附加的纸板层或标签层,也可以加入到管状容器中并使用泡沫粘合剂粘合。 还提供了一种用于构造管状容器的装置和方法。
    • 3. 发明授权
    • Tubular composite containers having unsupported film liners and methods and apparatus for making same
    • 具有无支撑薄膜衬垫的管状复合容器及其制造方法和装置
    • US06761675B2
    • 2004-07-13
    • US09838443
    • 2001-04-19
    • Mike DrummondAlan WilliamsRay Adams
    • Mike DrummondAlan WilliamsRay Adams
    • B31C1104
    • B29C53/60B29C53/607B29C2053/8025B31C3/00B65D3/22
    • A tubular composite container includes a paperboard body ply wrapped into a tubular shape, and a polymer film liner ply wrapped into a tubular shape and adhered to the inner surface of the body ply. The liner ply has a circumferential length when unwrapped and flat that is less than that of the body ply so that the liner ply is substantially uncompressed circumferentially. A strip of polymer film liner material is wrapped onto a mandrel and overlapping edge portions of the liner strip are heat sealed together by first preheating the liner strip to a temperature below the sealing temperature of the heat seal material on the edge portions of the liner strip, and then further heating the overlap region of the liner strip to at least the sealing temperature to cause heat sealing of the edge portions. A paperboard strip is coated on an inner surface with adhesive and is then wrapped about the liner and adhered thereto. The outer surface of the liner strip is surface treated by corona discharge or flame treatment prior to being wrapped on the mandrel to improve adhesion to the paperboard, and the liner strip tension is maintained less than about 1 pound per inch of width to prevent liner stretching as the liner strip is advanced to and wrapped about the mandrel. The preheating of the liner strip is performed by a heated section of the mandrel over which the liner strip passes. The overlap region is locally heated by an infrared heater.
    • 管状复合容器包括被包裹成管状的纸板本体层和被包裹成管状的聚合物膜衬垫层,并且粘合到主体帘布层的内表面。 衬垫层在展开时具有周向长度,并且平坦且小于身体帘布层的周长,使得衬垫层基本上未被压缩在周向上。 将聚合物薄膜衬里材料条包裹在心轴上,并且衬垫条的重叠边缘部分通过首先将衬垫条预热到温度低于衬垫条的边缘部分处的热密封材料的密封温度的温度而被热封在一起 ,然后进一步将衬垫条的重叠区域加热到至少密封温度,从而引起边缘部分的热封。 纸板条带用粘合剂涂覆在内表面上,然后缠绕在衬垫上并粘附在其上。 衬垫条的外表面在被缠绕在心轴上之前通过电晕放电或火焰处理进行表面处理,以提高与纸板的粘附性,并且衬垫条张力保持在每英寸宽度小于约1磅以防止衬里拉伸 因为衬垫条被推进并围绕心轴缠绕。 衬垫条的预热由衬套条穿过的心轴的加热部分进行。 重叠区域由红外加热器局部加热。