Device for bleeding or for draining a heat exchanger, such as a radiator for a motor vehicle
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United States of America Patent
Stats
-
Jan 5, 1988
Grant Date -
N/A
app pub date -
Feb 11, 1987
filing date -
Oct 9, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The device comprises a stopper having an operating head (10), an intermediate portion (12) bearing a sealing ring, and a tail (14) formed with radial ribs which co-operate with slopes in the orifice in which the stopper is to be mounted, a portion (30) of said radial ribs being obliquely oriented so that rotation of the stopper about its axis gives rise to longitudinal translation along said axis. The invention is particularly applicable to devices for bleeding or for emptying the radiators of motor vehicles.
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