External housing for an exhaust muffler for internal combustion

Details External housing for an exhaust muffler for internal combustion External housing for an exhaust muffler for internal combustion

1980-07-21

1982-11-02

Hix, L. T.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181252, 181282, F01N 104, F01N 718

Patent

active

043568866

ABSTRACT:
An external housing for an exhaust muffler comprising at least one pipe section having one seamlessly converging end and at least one connecting piece seamlessly extending from the converging end, produced as a one-piece extrusion molded body of a malleable aluminum alloy. The housing may include a second pipe section joined undetachably to the first in alignment therewith. A seating part, e.g., a pipe socket, may be formed integrally with the converging end of the pipe section, projecting from that end into the interior of the pipe section.

REFERENCES:
patent: 1682316 (1928-08-01), Williams
patent: 1972065 (1934-08-01), Noblitt
patent: 2583366 (1952-01-01), Engels
patent: 3381774 (1968-05-01), Stade et al.
patent: 3590945 (1971-07-01), Murphy
patent: 4213414 (1980-07-01), Sato et al.
Ziegler, "How to Design Aluminum Impact Extrusions", Machine Design, Mar. 19, 1959, pp. 204, 206, 208, 210.

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