Filtering straw

Details Filtering straw Filtering straw

1994-08-19

1996-04-23

Weldon, Kevin P.

Fluid sprinkling, spraying, and diffusing

Fountains or drinking tubes and straws

Drinking

210266, B01D 3502, A47G 2118

Patent

active

055096050

ABSTRACT:
A filtering straw for drawing liquid from a container includes a tube with a pair of filters, one filter being removably mounted in each end of the tube. Each of the filters includes a portion extending into the corresponding end of the tube, each of which has an outer circumferential liquid permeable surface cooperating with the inner circumferential of surface of the tube to define an annular chamber therebetween. Accordingly, the cross sectional area through which fluid is drawn by sucking on the straw is the circumferential surface of each filter.

REFERENCES:
patent: 4995976 (1991-02-01), Vermes et al.
patent: 5045195 (1991-09-01), Spangrud et al.
patent: 5114570 (1992-05-01), Nelson et al.
patent: 5156335 (1992-10-01), Smith et al.
patent: 5156737 (1992-10-01), Iuna et al.

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