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    • 23. 发明授权
    • Rubber/plastic stopper composite with mechanical adhesive joints
    • 橡胶/塑料塞复合材料与机械粘接接头
    • US4697717A
    • 1987-10-06
    • US897963
    • 1986-08-18
    • Nicholas A. Grippi
    • Nicholas A. Grippi
    • B65D51/18A61B5/154B01L3/14B32B25/08B65D41/28
    • B01L3/50825
    • A stopper is provided, particularly for evacuated blood sample tubes, comprised of a combination of thermoplastic and rubber, which combination utilizes a plurality of circumferentially spaced joints containing an adhesive. The joints serve to mechanically hold the composite body of rubber and plastic together. The arrangement reduces the quantity of rubber used while retaining its desirable sealing properties, and reducing the quantity of relatively inexpensive thermoplastic and its desirable strength properties. The invention takes advantage of the relatively good joining properties of a rubber-adhesive combination, and avoids the relatively poor joining properties of a thermoplastic adhesive combination.
    • 提供了一种塞子,特别是用于由热塑性塑料和橡胶的组合组成的抽空的血液样品管,该组合使用包含粘合剂的多个周向隔开的接头。 接头用于将橡胶和塑料的复合体机械地保持在一起。 该布置减少了橡胶的使用量,同时保持其所需的密封性能,并减少相对便宜的热塑性塑料的数量及其所需的强度性能。 本发明利用了橡胶 - 粘合剂组合的相对良好的接合性能,并且避免了热塑性粘合剂组合的相对差的接合性能。