Extensible and contractible double straw

Details Extensible and contractible double straw Extensible and contractible double straw

1986-02-26

1987-08-25

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Fountains or drinking tubes and straws

Drinking

285165, A47G 2118, F16L 1502

Patent

active

046887210

ABSTRACT:
A straw of telescopic construction permits the straw, when collapsed, to be no longer than a beverage container to which it is attached but long enough, when extended, to reach the container's bottom and extend beyond the top of the container. The straw includes means to prevent the inner straw being pushed through the bottom end of the outer straw and a structure which interlocks to positively hold the extended straws in extended position against inadvertent telescopic collapse. The structure includes an air seal at the straw juncture when they are fully extended.

REFERENCES:
patent: 1150407 (1915-08-01), Wells
patent: 2288848 (1942-07-01), Schuessler
patent: 4135274 (1979-01-01), Freeman
patent: 4258884 (1981-03-01), Rogers

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