Dental floss having improved fray and shred resistance

Details Dental floss having improved fray and shred resistance Dental floss having improved fray and shred resistance

1998-07-24

1999-06-01

Mancene, Gene

Toilet

Toothpick

429 49, A61C 1500

Patent

active

059080396

ABSTRACT:
A dental floss comprising a multifilament yarn having at least one coating applied thereon. The yarn comprising the floss is substantially untwisted and comprises entanglement nodes having a frequency of between about 0.5 and about 3.5 inches. The yarn has a basis weight between about 500 and about 1200 denier. The coating applied to the yarn comprises a water-insoluble binder. Optionally, the floss may be coated with a second coating material comprising a water soluble substance such as polyethylene glycol for delivery of additives or additional flavors. With little or no twist and an optimum degree of air-entanglement, the yarn is held together loosely enough to allow a significant amount of coating material to be impregnated between the filaments but tight enough to provide shred and fray resistance and still have supple feel.

REFERENCES:
patent: 5209251 (1993-05-01), Curtis et al.
patent: 5226435 (1993-07-01), Suhonen et al.
patent: 5357990 (1994-10-01), Suhonen et al.
patent: 5765576 (1998-06-01), Dolan et al.
patent: 5800823 (1998-09-01), Blass

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