Filter element for liquid straining filter

Details Filter element for liquid straining filter Filter element for liquid straining filter

1981-01-29

1982-01-12

Therkorn, Ernest G.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

2104935, 2104971, 2104972, 55520, 55521, B01D 2906

Patent

active

043104193

ABSTRACT:
A filter element for straining liquid formed of a filter material in a convoluted form including two portions, one portion being a planar portion and the other portion being a corrugated portion having a plurality of elevated areas. The filter material is foled in half in the longitudinal center and wound in convolutions so that a series of letters V are formed on a transverse cross-sectional surface thereof. The pitch of the elevated areas is smaller in the central portion of the convoluted filter element corresponding to the end of the filter material at which winding is started and larger in the outer peripheral portion thereof.

REFERENCES:
patent: 3037637 (1962-06-01), Bub
patent: 3076554 (1963-02-01), Bub
patent: 3323963 (1967-06-01), Summers
patent: 3739916 (1973-06-01), Cub et al.
patent: 4039457 (1977-08-01), Schacht et al.
patent: 4056876 (1977-11-01), Lammermann

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