Humidification chamber with float-valve having improved float
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United States of America Patent
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May 23, 2006
Grant Date -
Mar 4, 2004
app pub date -
May 28, 2003
filing date -
May 29, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method is disclosed for the manufacture of a float (30) comprising the following steps: providing a mould (10) having a first enclosure (12) opening into a second enclosure (14) of greater dimensions than the first enclosure (12), and an inlet (16) into the first enclosure (12), the first and second enclosures (12, 14) together defining the shape of the float (30); injecting a mixture comprising plastics material and blowing agent into the inlet (16), such that the mixture passes through the first enclosure (12) and then into the second enclosure (14); and causing or allowing the mixture to set, thereby forming the float (30). The float (30), the mould (10) and a fluid storage chamber (60) including the float (30) are also disclosed.
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Cited Art Landscape
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