Plug for the end of a tube

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Description

FIG. 1 is a perspective view of the plug for the end of a tube showing the design;

FIG. 2 is a front view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is an enlarged cross-sectional view along the line 6, 6 in FIG. 2; thereof;

FIG. 7 is an enlarged cross-sectional view along the line 7, 7 in FIG. 2 thereof;

FIG. 8 is an enlarged cross-sectional view along the line 89, 89 in FIG. 3;

FIG. 9 a further cross-sectional view, along the line 89, 89 in FIG. 3, showing the plug located in an end of a tube; and,

FIG. 10 is a further perspective view, showing plugs each located in an end of a tube of a heat exchanger for a steam generator.

The broken lines showing parts of the drawings is included for the purpose of illustrating use and environment and forms no part of the claimed design.

Claims

The ornamental design for a plug for the end of a tube, as shown and described.

Referenced Cited
U.S. Patent Documents
3356418 December 1967 Healey et al.
4069535 January 24, 1978 Cato
4244073 January 13, 1981 Sagawa
4389461 June 21, 1983 Scott
D360007 July 4, 1995 Farr
5702160 December 30, 1997 Levankovskii et al.
6102486 August 15, 2000 Briese
D432230 October 17, 2000 Utas
D581952 December 2, 2008 Hall et al.
D597637 August 4, 2009 Krohmer et al.
D601592 October 6, 2009 Watson et al.
D604809 November 24, 2009 Mannella
20040065484 April 8, 2004 McAlvain
Patent History
Patent number: D615182
Type: Grant
Filed: Feb 26, 2009
Date of Patent: May 4, 2010
Assignee: S{dot over (u)}mitomo Metal Industries, Ltd. (Osaka)
Inventors: Yuji Abe (Hyogo), Tomio Yoshino (Hyogo)
Primary Examiner: T. Chase Nelson
Assistant Examiner: David G Muller
Attorney: Dennis R. Haszko
Application Number: 29/332,814
Classifications