Supporting fabric for bearing bulk material

Details Supporting fabric for bearing bulk material Supporting fabric for bearing bulk material

1987-02-19

1989-06-06

Bell, James J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including interlaminar mechanical fastener

405258, 428225, 428257, 428258, D03D 300

Patent

active

048373877

ABSTRACT:
The invention relates to supporting fabric, made of practically rightangularly crossing, synthetic yarns and having a width of at least 30 cm, preferably more than 1 m, and a length of at least 3 m, for geotextile uses, such as for bearing one or more layers of sand, gravel, stones, clay, loam, asphalt, mortar or like bulk materials. The fabric has a tensile strength in one or more directions of at least 50 kN/m. The yarns of the fabric are in the form of tapes or threads, the material of the yarn chiefly being formed of polypropylene incorporating a polyester, and preferably polyethylene terephthalate. As determined by the total weight of the yarn, the polypropylene composes 75%-85% of the yarn, by weight, and the polyester composes 15%-25% of the yarn, by weight.

REFERENCES:
patent: 3670506 (1972-06-01), Gaudard
patent: 4361609 (1982-11-01), Gerlach et al.
patent: 4472086 (1984-09-01), Leach

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