Crimped thermoplastic fibers for reinforcing concrete

Details Crimped thermoplastic fibers for reinforcing concrete Crimped thermoplastic fibers for reinforcing concrete

1997-10-08

1999-11-16

Krynski, William

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428359, 428369, 428364, 428378, 428373, 428394, 428375, D02G 300

Patent

active

059854499

ABSTRACT:
A crimped thermoplastic fiber for use in reinforcing concrete has a length in the range of 1/4 inch to 4 inches; an outer diameter in the range of 4 mils to 30 mils; a crimp frequency of 10-30 crimps per inch and an amplitude in the range of 1/2 mil-10 mils. The invention also includes a cylindrical bundle of the aforementioned fibers retained within an outer paper wrapper that dissolves and/or disintegrates within a concrete mixer in which the wrapped bundles are dispersed.

REFERENCES:
patent: 4221838 (1980-09-01), Hughes et al.
patent: 4293614 (1981-10-01), Plischke et al.
patent: 4585487 (1986-04-01), Destree et al.
patent: 4820585 (1989-04-01), Tedesco et al.
patent: 4916012 (1990-04-01), Sawanobori et al.
patent: 5362562 (1994-11-01), Evans et al.
patent: 5385978 (1995-01-01), Evans et al.
patent: 5807458 (1998-09-01), Sanders et al.

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