Pipe coupling adapter flange

The ornamental design for a pipe coupling adapter flange, as shown.

FIG. 1 is a front perspective view of a pipe coupling adapter flange showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof, and

FIG. 5 is a left side elevational view thereof.

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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Nov 26 1979		Uni-Flange Corporation	(assignment on the face of the patent)

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