Scouring material

Details Scouring material Scouring material

1980-09-12

1982-10-19

Derrington, James H.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

15118, 15209C, 15209R, 51296, 51298, 264147, 264DIG47, 428300, 4283115, 428371, B24D 1102

Patent

active

043550673

ABSTRACT:
An improved fibrous scouring material is disclosed, that material comprising a fibrous band in the form of a three-dimensional lattice of drawn irregular fibers obtained from a plastic bilaminar film, those fibers being helically crimped and self-bonded together at their mutual contact points, the helically crimped fibers exhibiting sharp corner-edges and being interconnected by helically crimped fibrils. The thickness of the fibers is typically between 100 and 200 microns. The process for manufacturing such scouring material is also disclosed, which process includes steps of extruding a bilaminar film, drawing and fibrillating the film, stacking the fibrillated lattice and thermally treating same to induce crimping and self-bonding.

REFERENCES:
patent: 3144671 (1964-08-01), Gould
patent: 3345668 (1967-10-01), Forrest
patent: 3582418 (1971-01-01), Schur
patent: 3634901 (1972-01-01), Landsberg
patent: 4078340 (1978-03-01), Klecker
patent: 4102969 (1978-07-01), Neveu et al.

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