Hydrophobic yarn filter fabric for a concrete press mould

Details Hydrophobic yarn filter fabric for a concrete press mould Hydrophobic yarn filter fabric for a concrete press mould

1993-11-30

1995-10-31

Dawson, Robert A.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

210499, 210503, 210508, 55514, 55524, 55527, 55DIG31, 100101, B01D 25176, B01D 3910

Patent

active

054626650

ABSTRACT:
A filter for use in a concrete press mould, the filter comprising a fabric being knit or woven at least in part from heat meltable yarns and having a fabric density which permits the passage of water therethrough but prohibits the passage of particulate material, the filter being bounded around its periphery with at least one continuous imperforate band integrally formed with the fabric by fusion of said heat meltable yarns.

REFERENCES:
patent: 2782933 (1957-02-01), Monsarrat
patent: 3779389 (1973-12-01), Fant
patent: 4105423 (1978-08-01), Latakas et al.
patent: 4322232 (1982-03-01), Beane
patent: 5230226 (1993-07-01), Saarikettu

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