Mechanical lock joint for joining tubular products

Details Mechanical lock joint for joining tubular products Mechanical lock joint for joining tubular products

1984-09-18

1986-02-18

Fuller, Benjamin R.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181255, 181272, 285DIG22, F01N 718

Patent

active

045707472

ABSTRACT:
In a vehicular exhaust system muffler, two telescoped tubes and internal panel are joined by a wholly mechanical joint. Two axially spaced beads extend about the tubes. The beads are integral to the tubes, annular, and radially outwardly extending. An annular flange of the panel extends along the outer tube. A plurality of integral, interlocking protrusions are simultaneously deformed into the outer tube and flange. The beads, flange and protrusions totally mechanically join the tubes and internal panel.

REFERENCES:
patent: 3885298 (1975-05-01), Pogonowski
patent: 4334703 (1982-06-01), Arthur et al.

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