Apparatus for applying liquid to a surface having safety vent
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United States of America Patent
Stats
-
Jul 3, 1984
Grant Date -
N/A
app pub date -
Oct 8, 1981
filing date -
Oct 8, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for applying liquid to a surface includes an outer vessel, an inner liquid container which is housed within the outer vessel and which is substantially closed but includes an inlet for pressurized gas and a separate outlet for liquid, and means for supplying pressurized gas to the container. An interface of the container and the outer vessel is sealed around the inlet for pressurized gas whereby in use a region of the space between the outer vessel and the inner container is not pressurized. The unpressurized region of the outer vessel is vented. An applicator is connected via a length of flexible tube to the liquid outlet.
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