| 摘要 |
A pump actuator assembly for mounting on a disposable plastic container having a neck and a cap mounted on the neck. A spring trapped between the pump actuator and the cap. The spring formed from a tubular sleeve of elastic plastic material with longitudinally extending slits formed in the tubular sleeve. In one embodiment, the sleeve is independent of the cap and sleeve. In another embodiment, the sleeve is formed integrally with the cap. In a third embodiment, the sleeve is formed integrally with the pump actuator. In a fourth embodiment, the sleeve is hooked to the cap.
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