Ball-like structures and contacting materials for wastewater-tre

Details Ball-like structures and contacting materials for wastewater-tre Ball-like structures and contacting materials for wastewater-tre

1994-06-27

1996-12-24

Le, Hoa T.

Stock material or miscellaneous articles

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

Staple length fiber

21050029, 210505, 210508, 210928, 428369, 428370, 428377, 428402, D02G 300, B32B 516, B01D 3908

Patent

active

055872395

ABSTRACT:
Disclosure describes ball-like structures formed from bundled, crimped fibers rounded around a central portion thereof as a core, the core being formed with a molten-fused structure and having the following stipulations:

REFERENCES:
patent: 3184363 (1965-05-01), Strother
patent: 4328055 (1982-05-01), Nakamura et al.
patent: 4690849 (1987-09-01), Fukuda et al.

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