Valve made from two materials and writing utensil with retractable tip incorporating same
First Claim
1. A valve, comprising:
- 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, 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 a door seal disposed circumferentially around the first opening and an outer hinge disposed about the inner hinge,wherein the door bears against the door seal to cover the opening and to form a substantially air-tight seal between the door and the door seal when the door is in a closed position.
0 Assignments
0 Petitions
Accused Products
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.
-
Citations
18 Claims
-
1. A valve, comprising:
-
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, 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 a door seal disposed circumferentially around the first opening and an outer hinge disposed about the inner hinge, wherein the door bears against the door seal to cover the opening and to form a substantially air-tight seal between the door and the door seal when the door is in a closed position. - View Dependent Claims (2, 3, 4, 5, 10, 12, 13, 14, 15)
-
-
6. A valve comprising:
-
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, 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 a door seal disposed circumferentially around the first opening, wherein the door bears against the door seal to cover the opening and to form a substantially air-tight seal between the door and the door seal when the door is in a closed position, and wherein the first valve portion further comprises a channel disposed in an inner surface of the body and extending from the first end to the second end, and the second valve portion further comprises a runner disposed in the channel and extending from the door seal to an inner seal. - View Dependent Claims (7, 8, 9)
-
-
11. The valve of claim, wherein the door seal is disposed within the circumferential seat.
-
16. A retractable marker, comprising:
-
a barrel with an opening; a valve disposed in the barrel and comprising a first valve portion made from a first material and a second valve portion made from a second 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, wherein the inner hinge pivotably connects the door to the body at the first end, the second valve portion including a door seal disposed circumferentially around the first opening; an ink reservoir disposed in the barrel; and a nib subassembly with a writing tip in fluid communication with the reservoir; wherein the nib subassembly is slidable between a retracted position in which the writing tip is inside the valve such that the door bears on the door seal to form a substantially air-tight seal between the door and the door seal and a writing position where the writing tip is extended out of the opening of the barrel and the door is pivoted away from the door seal. - View Dependent Claims (17, 18)
-
Specification