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    • 89. 发明授权
    • Carton blank
    • 纸箱空白
    • US5632404A
    • 1997-05-27
    • US587467
    • 1996-01-17
    • Joseph C. Walsh
    • Joseph C. Walsh
    • B31B7/00B65D5/56B65P5/56
    • B65D5/563B32B37/12B31B2217/0084
    • A carton blank comprising a relatively rigid material having an inner surface, having a central body portion and opposite edge portions and wherein a relatively flexible material, preferably fluid impervious, having a central body portion and opposite edge portions has its central body portion secured to the central body portion of the relatively rigid material and the opposite edge portions of the relatively rigid material and the relatively flexible material are not secured to each other. In some instances strips of another relatively flexible material are secured to the opposite edge portions of the relatively flexible material but are not secured to the opposite edge portions of the reactively rigid material. In other instances, a plurality of spaced apart strips of a relatively flexible material are superposed over portions of a relatively rigid material and a plastic coating is applied to the exposed surfaces thereof.
    • 一种纸箱坯料,其包括具有内表面的相对刚性的材料,其具有中心主体部分和相对的边缘部分,并且其中具有中心主体部分和相对边缘部分的优选不透流体的相对柔性材料的中心主体部分固定到 相对刚性材料的中心主体部分和相对刚性材料的相对边缘部分和相对柔性的材料彼此不固定。 在一些情况下,另一相对柔性材料的条带被固定到相对柔性材料的相对边缘部分,但是不固定到反应刚性材料的相对边缘部分。 在其他情况下,多个间隔开的相对柔性材料的条带重叠在相对刚性材料的部分上,并且将塑料涂层施加到其暴露的表面上。
    • 90. 发明授权
    • Apparatus and method for end sealing a carton
    • 用于封闭纸箱的装置和方法
    • US5531852A
    • 1996-07-02
    • US234824
    • 1994-04-28
    • Joseph C. WalshRobert L. Conatser
    • Joseph C. WalshRobert L. Conatser
    • B31B50/62B65B7/20B32B31/26B31B1/00
    • B65B7/20B31B1/00B31B2201/6021Y10T156/1051
    • Apparatus and method for forming a sealed end portion of a carton wherein at least one surface of the carton is formed from a material that functions as an adhesive when heated to a predetermined temperature and wherein each open end portion is sealed by folding minor flaps to close at least a portion of the open end portion, moving the carton by a relatively fixed elongated reinforcing strip of material, heating the material in at least a portion of a first major flap to the predetermined temperature, folding the first major flap so that at least a portion of the elongated reinforcing strip of material is located between fold lines of the folded minor flaps and the folded first major flap, folding a second major flap to a superposed relationship with the first major flap and applying pressure to the first and second major flaps against the elongated reinforcing strip of material while continuing the movement of the carton until the first and second major flaps are sealed together.
    • 用于形成纸箱的密封端部的装置和方法,其中纸板箱的至少一个表面由加热到预定温度时用作粘合剂的材料形成,并且其中每个开口端部分通过折叠小的折片来封闭 所述开口端部分的至少一部分通过相对固定的细长加强材料条移动所述纸箱,将所述第一主瓣的至少一部分中的材料加热到预定温度,折叠所述第一主瓣,使得至少 细长的加强材料条的一部分位于折叠的小折翼和折叠的第一主瓣的折叠线之间,将第二主瓣折叠成与第一主瓣相叠加的关系并向第一和第二主瓣施加压力 抵靠细长的材料加强条,同时继续纸箱的移动,直到第一和第二主瓣被密封在一起。