Hazardous environment protective garment having a fusion bonded optically transparent facepiece with chlorinated polyolefin seams
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United States of America Patent
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Apr 2, 2002
Issued Date -
N/A
app pub date -
Oct 1, 1998
filing date -
Jan 25, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention provides a process, and product thereof, for forming a chemically resistant fusion bonded seal between chemically dissimilar materials by use of a chlorinated polyolefin film for protective garments. The process involves placing the chlorinated polyolefin film between two dissimilar films such as a facepiece and the fabric film of the garment and applying heat and pressure. The resulting fusion bonded film composite is strong, flexible and upon the application of sufficient stress exhibits total cohesive rupture failure.
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