Dual tube dispenser and adaptor
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United States of America Patent
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-
Oct 10, 2000
Grant Date -
N/A
app pub date -
Oct 16, 1996
filing date -
Oct 16, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to an adaptor which enables two premade tubes such as toothpaste tubes of varying sizes to be fitted together, one inside the other to obtain a dual tube dispenser providing for separate storage of two dissimilar substances and its co-extrusion from the dispenser as and when desired upon application of external pressure on the latter. The adaptor includes a threaded component in the form of a cap with internal threads to match the threads of the neck portion of conventional toothpaste tubes. A central passage provided in the adaptor communicates with the inside of the tube to which it is screw-fitted. The adaptor is further provided with press-fitting studs to hold the tube coaxially within a larger tube to obtain a dual tube dispenser, the press-fitting studs being capable of forming a press-fit connection in the internal portion of the neck of the larger tube.
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