External sealing cap for pipes

Description

FIG. 1 is a top view of an external sealing cap for pipes, showing my new design;

FIG. 2 is a side view, the opposite side being a mirror image thereof excluding the slotted head of the bolt element;

FIG. 3 is a top perspective view thereof;

FIG. 4 is a top view of an alternate embodiment of an external sealing cap for pipes;

FIG. 5 is a side view, the opposite side being identical excluding the bolt element;

FIG. 6 is a top perspective view thereof;

FIG. 7 is a bottom perspective view of the external sealing cap of FIG. 1 and showing the external sealing cap installed on a pipe;

FIG. 8 is a bottom perspective view of the external sealing cap of FIG. 1;

FIG. 9 is a bottom perspective view of the alternate embodiment of the external sealing cap of FIG. 4; and,

FIG. 10 is a top perspective view thereof and showing the external sealing cap installed on a pipe.

The dotted line representation of a pipe in FIGS. 7 and 10 are for illustration purposes only and forms no part of the claimed design.

Claims

The ornamental design for an external sealing cap for pipes, as shown and described.

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Inventors:	Mathison; Allen D. (Richfield, MN)
Assignee:	Cherne Industries Incorporated (Minneapolis, MN)
Appl. No.:	D/053,041
Filed:	April 12, 1996

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Current U.S. Class:	D23/260
Current International Class:	0907
Field of Search:	;D23/265,266,269 ;138/96T,96R,89 ;220/295,293,DIG.33

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References Cited [Referenced By]

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U.S. Patent Documents

D223156	March 1972	Aoroto
D257057	September 1980	Logsdon
D281350	November 1985	Heier
D311056	October 1990	Patterson
3525366	August 1970	De Frees
3713463	January 1973	Bywater, Jr.
4139005	February 1979	Dickey
4269232	May 1981	Witschi

Other References

Cherne Industries Incorporated, Test-Kap, 1995, p. 1. . Jim-Cap Company, Inc., Jim Cap Thin Wall Sewer Pipe;, 1978., pp. 1,2..

Primary Examiner: Zarfas; Louis S.
Assistant Examiner: Watterson; Eric
Attorney, Agent or Firm: Eggink; Anthony G.