Seal ring for stern tube

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Description

FIG. 1 is a perspective view of a seal ring for a stern tube.

FIG. 2 is a right-side view of the seal ring, the left-side view being a mirror image of the right-side view, and the top and bottom view being identical thereto.

FIG. 3 is an enlarged cross-sectional view taken along line 3—3 of FIG. 5.

FIG. 4 is a front view of the seal ring; and,

FIG. 5 is a rear view of the seal ring.

Claims

We claim the ornamental design for a seal ring for a stern tube, as shown and described.

Referenced Cited
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Patent History
Patent number: D638522
Type: Grant
Filed: Jul 20, 2010
Date of Patent: May 24, 2011
Assignee: Wārtsilā Japan Ltd.
Inventors: Hisashi Yoshida (Toyama), Motofumi Inaba (Toyama), Minoru Takayasu (Toyama)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Eric L Goodman
Attorney: Rossi, Kimms & McDowell LLP
Application Number: 29/366,130
Classifications
Current U.S. Class: Gasket Or Packing (D23/269)