Method for manufacturing a filter body

Details Method for manufacturing a filter body Method for manufacturing a filter body

2006-02-14

2006-02-14

Theisen, Mary Lynn (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Utilizing diverse solid particles

C264SDIG048, C055SDIG007

Reexamination Certificate

active

06998080

ABSTRACT:
The first step of a method for manufacturing polymer-bonded filter bodies is to produce a mixture of a sorptive agent, a liquid, and a polymer. This mixture is then pressed into a filter body by being placed in a compression mold and simultaneously applying a hot gas to it. The evaporation temperature of the liquid is lower than the melting temperature of the polymer while the temperature of the hot gas flowing through the mixture exceeds the evaporation temperature of the liquid. This inexpensive method can provide homogeneously structured high-performance filter bodies.

REFERENCES:
patent: 3485909 (1969-12-01), Yagishita
patent: 6004495 (1999-12-01), Keibel
patent: 6083439 (2000-07-01), Nastke et al.
patent: 6368504 (2002-04-01), Kuennen et al.
patent: 6669881 (2003-12-01), Saier
patent: 6712939 (2004-03-01), Chen et al.

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