Protective sleeve for corrugated drainage tubes

Details Protective sleeve for corrugated drainage tubes Protective sleeve for corrugated drainage tubes

1974-06-25

1976-08-24

Callaghan, Thomas F.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

61 11, 285260, 285DIG4, E02B 1300

Patent

active

039765784

ABSTRACT:
A continuous tubular sleeve of knit fabric material, which is cylindrical in shape and, in the relaxed condition, of a diameter less than the diameter of the corrugated drainage pipe to which it is to be applied, is formed in lengths up to approximately 1,000 feet. In use, the tubular knit sleeve is cut to a desired length and slipped over one or more sections of corrugated flexible drainage pipe and acts as a filter to keep rocks, dirt, mud, pieces of clay, and the like from clogging the openings in the corrugated drainage pipe while allowing the water to pass through.

REFERENCES:
patent: 2763991 (1956-09-01), Kennon
patent: 3302408 (1967-02-01), Schmid
patent: 3556299 (1971-01-01), Zievers
patent: 3611735 (1971-10-01), Daczko
patent: 3830373 (1974-08-01), Sixt et al.

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