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    • 47. 发明授权
    • Carton sealing method and apparatus
    • 纸箱密封方法和装置
    • US4145236A
    • 1979-03-20
    • US846481
    • 1977-10-28
    • Jack M. NeumayerIvan L. Kauffman
    • Jack M. NeumayerIvan L. Kauffman
    • B65B7/16B29C65/00B29C65/08B65B7/18B65B51/10B65B51/22B30B15/34
    • B29C66/1122B29C65/08B29C66/0322B29C66/346B29C66/43122B29C66/73921B29C66/80B29C66/81415B29C66/81425B29C66/81427B29C66/81431B29C66/81811B29C66/8221B29C66/8242B29C66/8322B65B51/225B65B7/18B29C66/71B29L2031/7166Y10S53/02
    • Apparatus for forming a seal between layers of a carton of thermoplastic coated paperboard material and the like wherein the thermoplastic material in the area to be sealed serves as the sealant and is activated to flow by frictional heat generated by a vibration welding horn and is then allowed to cool and set under pressure to form the seal between the layers. The carton first moves to an activating station wherein the layers to be sealed are engaged on opposite surfaces by a vibrating horn and a back-up member (in the form of an anvil or a mandrel) for a time sufficient to activate the thermoplastic material to flow. The carton is then carried to a clamping and sealing station at a different location from the activating station with the thermoplastic material in the activated state. The layers to be sealed with the activated thermoplastic is then engaged on opposite surfaces by a pressure pad and the back-up member for a predetermined period of time to permit the activated thermoplastic to cool and set and form a seal. A holding member extends between the activating and clamping and sealing stations. The holding member overlies the back-up member for engaging the outer surface of the layers to hold the layers together in cooperation with the back-up member when the carton is located at either of the stations or between the stations. The holding member is slotted to permit the horn and pressure pad to engage the outer surface of the layers while the layers are held in the closed position between the holding member and back-up member.
    • 用于在热塑性涂层纸板材料的纸板层之间形成密封的装置等,其中待密封区域中的热塑性材料用作密封剂,并且通过由振动焊接喇叭产生的摩擦热而被激活以流动,然后允许 冷却并设置在压力下以形成层之间的密封。 纸箱首先移动到激活站,其中要被密封的层通过振动的喇叭和支撑构件(以砧或心轴的形式)接合在相对的表面上足以激活热塑性材料的时间 流。 然后将纸箱运送到与启动台不同位置的夹紧和密封站,热塑性材料处于活化状态。 然后用激活的热塑性材料密封的层然后通过压力垫和支撑构件在相对的表面上接合预定的时间段,以允许活化的热塑性塑料冷却和固化并形成密封。 保持构件在活动和夹紧和密封站之间延伸。 保持构件覆盖在支撑构件上,用于接合层的外表面,以便当纸箱位于站中的任一个或站之间时,与支撑构件协作地将层保持在一起。 保持构件开槽以允许喇叭和压力垫接合层的外表面,同时层保持在保持构件和支撑构件之间的关闭位置。