Muffler
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 3, 1996
Grant Date -
N/A
app pub date -
Jan 20, 1995
filing date -
Jan 20, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A muffler having an inner shell of two deep-drawn inner sheet metal plates laid one atop the other and a housing shell of at least two deep-drawn outer sheet metal plates laid one atop the other. The inner shell has an encircling edge while the housing shell has an encircling housing flange with a lock seam connection which seals the housing shell. The edge of the inner shell is designed so that it barely touches the wall of the housing shell and is held in a spring-like fashion only between clamping creases of the housing shell.
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