Flammable blowing agent control and blend systems for PUR/PIR foam
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United States of America Patent
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May 4, 2010
Grant Date -
Nov 11, 2004
app pub date -
Aug 16, 2002
filing date -
Aug 17, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system and a method of providing PUR/PIR foam using flammable blowing agent. The flammable blowing agent is introduced to PUR/PIR manufacturing equipment via an independent feed-line. This enables a flammable blowing agent storage vessel to be located off site from the foam manufacturing equipment. The independent flammable blowing agent feed-line couples the off-site flammable blowing agent storage vessel with the foam production system. The preferred flammable blowing agent is pentane.
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