Dual tube dispenser and adaptor

Details Dual tube dispenser and adaptor Dual tube dispenser and adaptor

1996-10-16

2000-10-10

Kaufman, Joseph A.

Dispensing

Collapsible wall-type container

Plural container and/or compartment

222105, 2221453, B65D 3522

Patent

active

061292435

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.

REFERENCES:
patent: 4340154 (1982-07-01), VanManen
patent: 4585149 (1986-04-01), Zulauf
patent: 5360144 (1994-11-01), Slade
patent: 5823387 (1998-10-01), Manadanas et al.

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