Floating piston respirating pump
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United States of America Patent
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-
Feb 12, 1980
Grant Date -
N/A
app pub date -
May 1, 1978
filing date -
May 1, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Device for sampling air in proportion to respiration, particularly the collection of air pollutants in proportion to the actual respiration of the wearer. The pump is supported adjacent the thoracic cavity by means of a harness and is activated by the expansion and contraction of the thoracic cavity during respiration, so as to draw air through an air sampling monitor.
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