Claims
- 1. A sheet filter comprising a pile fabric carrying micrometric particles of activated carbon, the base of the pile fabric comprising fusion-resistant fibers and the pile of the fabric comprising fusible fibers, the fusible fibers comprising undrawn amorphous polyester fibers which upon heating to about 80.degree. to 85.degree. C. become temporarily adhesive without fusing, the fabric having been heated under pressure thereby to secure the carbon particles to the pile.
Priority Claims (1)
Number |
Date |
Country |
Kind |
3200959 |
Jan 1982 |
DEX |
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Parent Case Info
This is a division of application Ser. No. 215,860, filed July 6, 1988, now abandoned, which is a continuation of application Ser. No. 641,085, filed Aug. 15, 1984, now abandoned, which was a continuation of application Ser. No. 456,459, filed Jan. 7, 1983, now abandoned.
US Referenced Citations (15)
Foreign Referenced Citations (5)
Number |
Date |
Country |
88225 |
Jul 1895 |
DE2 |
48851 |
Dec 1980 |
JPX |
433186 |
Aug 1935 |
GBX |
2005016 |
Apr 1979 |
GBX |
2077141 |
Dec 1981 |
GBX |
Divisions (1)
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Number |
Date |
Country |
Parent |
215860 |
Jul 1988 |
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Continuations (2)
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Number |
Date |
Country |
Parent |
641085 |
Aug 1984 |
|
Parent |
456459 |
Jan 1983 |
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