Couplings for connecting vehicle exhaust tail pipes to exhaust c

Details Couplings for connecting vehicle exhaust tail pipes to exhaust c Couplings for connecting vehicle exhaust tail pipes to exhaust c

1986-10-31

1988-10-25

Arola, Dave W.

Pipe joints or couplings

Packed

Frictional retention upon insertion

285 8, 285177, 285910, 285321, 277DIG6, F16L 1700

Patent

active

047799048

ABSTRACT:
A coupling for connecting a vehicle exhaust pipe to an exhaust conduit for removing vehicle exhaust gases has a cylindrical housing with an inlet at the front end and an outlet at the rear end, the rear end being connectible to an exhaust conduit. A bristle assembly is mounted within the housing adjacent the front end. The bristle assembly includes an annular container and a multitude of resilient bristles extending radially inwardly from the retainer towards the longitudinal axis of the housing and terminating at a position spaced from the longitudinal axis to provide a central aperture. The bristles project radially inwardly from the retainer by a distance in the range from about 4:1 to about 8:1 longer than the radial thickness of the retainer to enable the front end of the housing to be pushed over a vehicle exhaust tail pipe to cause the tail pipe to bend the bristles rearwardly into engagement with the tail pipe to produce an effective gas seal between the front end of the coupling and the tail pipe.

REFERENCES:
patent: 2620893 (1952-12-01), Holt et al.
patent: 2878048 (1959-03-01), Peterson
patent: 3069186 (1962-12-01), Stevens
patent: 3288497 (1966-11-01), Nydam
patent: 4209268 (1980-06-01), Fujiwara et al.
patent: 4318547 (1982-03-01), Ericson

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