Hard disk drive filter
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United States of America Patent
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-
Aug 7, 2001
Grant Date -
N/A
app pub date -
Jan 11, 1999
filing date -
Jan 11, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
There is provided a method of forming a shaped sorbent filter preferably having a three dimensional shape. The method generally entails: a) providing porous flexible tubular web structure having two open ends; b) sealing a first end of the tubular web structure; c) filling the sealed tubular web structure with flowable filter material of sorbent material and binder; d) sealing the opposite open end of the tubular web material; and e) heating the tubular web structure to active the binder and form a shaped sorbent filter. The tubular web structure preferably is deformed while it is heated so that there is provided at least one permanently deformed bending portion. The invention method provides a simple effective process for forming complex overwrapped shaped small sorbent filters for use in the electronics industry.
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