Connection between filtering cap and container

Details Connection between filtering cap and container Connection between filtering cap and container

2008-11-19

2010-06-29

Lithgow, Thomas M (Department: 1797)

Liquid purification or separation

With repair or assembling means

C210S444000, C210S450000

Reexamination Certificate

active

07744757

ABSTRACT:
A filtering assembly includes a container and a filtering cap which is connected to a connection end of the container. A flange extends spirally from an outside of the connection end and includes a positioning portion which is the longest section of the flange. The filtering cap includes an inner skirt and an outer skirt, wherein the inner skirt has a groove defined in an inside thereof the flange can be engaged with the groove. The groove has a positioning port which is the deepest portion of the whole groove. A plurality of bosses extend from an inside of the outer skirt. The positioning portion is engaged with the positioning port and the bosses are engaged with the wave-shaped ring when the filtering cap is located onto the container.

REFERENCES:
patent: 1744837 (1930-01-01), Pelletier
patent: 4617118 (1986-10-01), Smart
patent: 5591332 (1997-01-01), Reid et al.
patent: 5744030 (1998-04-01), Reid et al.

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