Nelson Industries, Inc.

Andrew D Aleson

Kory J Schuhmacher

A screen-type spark arrestor ( ) may be efficiently and compactly mounted in a muffler ( ). A tubular screen is coaxial with an exhaust pipe ( ) and has a first end ( ) axially spaced from the pipe and star-crimped closed, and a second end ( ) axially overlapping the pipe in concentric relation and crimped thereto by a crimp ring ( ). The combination is mounted as a modular component by a flange ( ) closing the muffler housing ( ).

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Madison, WI, United States of America

Andrew D Aleson