Gate valve seal

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Description

FIG. 1 is a perspective view of a gate valve seal, in accordance with a first embodiment of the present invention;

FIG. 2 is a top plan view of the gate valve seal shown in FIG. 1, wherein the bottom plan view is identical to the top plan view;

FIG. 3 is a front plan view of the gate valve seal shown in FIG. 1, wherein the rear and side plan views are identical to the front plan view;

FIG. 4 is a cross-sectional view of the gate valve seal shown in FIG. 1, taken along the line 44 in FIG. 2;

FIG. 5 is a close-up view of detail 5 shown in FIG. 4;

FIG. 6 is a perspective view of a gate valve seal, in accordance with a second embodiment of the present invention;

FIG. 7 is a top plan view of the gate valve seal shown in FIG. 6, wherein the bottom plan view is identical to the top plan view;

FIG. 8 is a front plan view of the gate valve seal shown in FIG. 6, wherein the rear and side plan views are identical to the front plan view;

FIG. 9 is a cross-sectional view of the gate valve seal of FIG. 6, taken along the line 99 in FIG. 7; and,

FIG. 10 is a close-up view of detail 10 shown in FIG. 9.

Each embodiment of the present design has a uniform cross-section when taken at any point around the circumference of the seal.

The cross hatching shown in the cross-sectional views is included to designate the material of the seal in accordance with United States patent drawing conventions, and forms no part of the claimed design.

Claims

The ornamental design for a gate valve seal, as shown and described.

Referenced Cited
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Foreign Patent Documents
11020128 January 1999 JP
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Patent History
Patent number: D633991
Type: Grant
Filed: May 26, 2009
Date of Patent: Mar 8, 2011
Assignee: Nippon Valqua Industries, Ltd. (Tokyo)
Inventor: Ippei Nakagawa (Machida)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Eric L Goodman
Attorney: The Webb Law Firm
Application Number: 29/337,562
Classifications
Current U.S. Class: Gasket Or Packing (D23/269)