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    • 10. 发明授权
    • Bag sealer apparatus
    • 袋封口机
    • US4021290A
    • 1977-05-03
    • US714649
    • 1976-08-16
    • Kevin R. Smith
    • Kevin R. Smith
    • B65B31/02B30B15/34B26D5/08
    • B65B51/148B65B43/04B65B51/146Y10T156/12Y10T83/8822
    • An improved bag-making and sealing device having a pair of spaced, upstanding, bag-locating and holding pins is provided which includes a low-cost, integral, synthetic resin pin-mounting assembly in the sealer base for biased, back-and-forth shifting movement of one of the pins in order to tightly hold a section of marginally apertured bag-making material during heat sealing operations. The sealer also includes a pivotally mounted pin assembly intermediate the relatively widely spaced main pins which is shiftable to an upright position for locating and holding a section of narrow bag-making material in cooperation with one of the widely spaced pins; when not in use, the intermediate pin is pivoted to a recessed, non-interfering storage position permitting normal heat sealing operations using standard width bag-making material. In preferred forms the base of the sealing device includes a cavity for holding a roll of tubular, two-ply, marginally apertured bag-making material, and a shiftable knife element mounted in the sealer base for cutting of the bag-making material after initial heat sealing operations are completed.
    • 提供了一种改进的制袋和密封装置,其具有一对隔开,直立的袋定位和保持销,其包括在密封器基座中的低成本,整体的合成树脂销安装组件,用于偏压, 以便在热封操作期间紧紧地保持一些边缘多孔的制袋材料。 密封件还包括位于较宽间隔的主销之间的可枢转地安装的销组件,其可移动到直立位置,用于与狭窄的制袋材料的一部分配合并保持狭窄的制袋材料; 当不使用时,中间销枢转到凹陷的非干扰性存储位置,允许使用标准宽度的制袋材料进行正常的热封操作。 在优选形式中,密封装置的基部包括用于保持管状的双层,稍微多孔的制袋材料的一个空腔,以及安装在密封器基座中的可移动的刀元件,用于在初始化之后切割制袋材料 热封操作完成。