Focussed ventilation procedure of a work spot and a focussed ventilation means
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United States of America Patent
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-
Jul 28, 1992
Grant Date -
N/A
app pub date -
Feb 9, 1990
filing date -
Jun 10, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A focussed ventilation method and apparatus for a work spot wherein at least a first focussed suction (11) and at least one additional focussed suction (13) are arranged to draw the air and/or gas and/or excess heat of the work spot, and arranged to interact so that the first focussed suction (11) draws the more detrimental air in quality than that drawn by the additional focussed suction (13).
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Cited Art Landscape
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