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Publication numberUSD638522 S1
Publication typeGrant
Application numberUS 29/366,130
Publication dateMay 24, 2011
Filing dateJul 20, 2010
Priority dateJul 20, 2010
Publication number29366130, 366130, US D638522 S1, US D638522S1, US-S1-D638522, USD638522 S1, USD638522S1
InventorsHisashi Yoshida, Motofumi Inaba, Minoru Takayasu
Original AssigneeWārtsilā Japan Ltd.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Seal ring for stern tube
US D638522 S1
Abstract  available in
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  1. We claim the ornamental design for a seal ring for a stern tube, as shown and described.

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 33 of FIG. 5.

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

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

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US9228684Apr 27, 2012Jan 5, 2016Springseal, Inc.Sealing gasket
USD734436 *Feb 21, 2014Jul 14, 2015Donaldson Company, Inc.Circular filter end cap with alignment features
USD743513 *Jun 13, 2014Nov 17, 2015Asm Ip Holding B.V.Seal ring
USD754308 *Feb 1, 2013Apr 19, 2016Nippon Valqua Industries, Ltd.Composite sealing material
U.S. ClassificationD23/269