Valve made from two materials and writing utensil with...

Details Valve made from two materials and writing utensil with... Valve made from two materials and writing utensil with...

2007-01-18

2010-12-14

Walczak, David J (Department: 3751)

Coating implements with material supply

Projectable and retractable tool

With movable closure or gate

C401S107000, C251S298000

Reexamination Certificate

active

07850382

ABSTRACT:
A valve includes a first valve portion made from a first material, the first valve portion including a body, a door, and an inner hinge pivotably connecting the body to the door, the body including a first opening at a first end and a second opening at a second end opposite the first end, and a circumferential recess disposed in the second end, wherein the inner hinge pivotably connects the door to the body at the first end and a second valve portion made from a second material, the second valve portion including an inner seal disposed in the circumferential recess, the inner seal including a circumferential ridge extending inwardly, the second valve portion further including a door seal disposed on the first end of the body.

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