Device for preparation of expanded thermoplastic microspheres
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United States of America Patent
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Dec 17, 1996
Issued Date -
N/A
app pub date -
Jun 7, 1995
filing date -
Jun 23, 1988
priority date (Note) -
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Abstract
An apparatus for producing expanded thermoplastic microspheres, including a belt conveyor (A) having an endless belt (1) for conveying microspheres. A device (B) for infrared (IR) heating, including a plurality of IR lamps (4) is located above the belt (1). A dosing device (C) for the dried unexpanded microspheres is located at one end of the belt conveyor and in conjunction with the belt (1). A collecting device (D) for expanded microspheres is located at the other end of the belt conveyor and in conjunction with the belt (1).
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