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    • 7. 发明专利
    • TUBE-FORMED DISPENSER
    • JPH07165245A
    • 1995-06-27
    • JP8547792
    • 1992-04-07
    • COLGATE PALMOLIVE CO
    • KAI SUN
    • B65D35/02B65D25/54B65D35/04B65D35/08B65D35/20B65D35/40B65D85/08
    • PURPOSE: To carry out the suction-back control for products being dispensed and protect the products from turning into the cake shape around an outlet opening by providing a memory for quickly restoring the original shape simultaneously with the release of the compression by tube walls and generating the suction-back for sucking the product downward in a nozzle opening. CONSTITUTION: A dispenser is provided with a tube section 10, an attached part 20 and a cap 12. Tube walls should be provided with flexibility and also with a memory for restoring the tube to the original state. A plastic component of the tube walls, therefore, can be used when being provided with the combination of suitable high density polyethylene of approximately 25 wt.% at best with low density polyethylene. The memory on the tube wall should be sufficient for generating substantially and simultaneously the suction-back of a product on a nozzle outlet on the tube wall. The suction-back in the nozzle is at least approximately 0.3 cm, more suitably approximately 0.6 cm. The suction-back of the product being dispensed can be carried out by the arrangement.