Endless belt with improved load carrying cord

Details Endless belt with improved load carrying cord Endless belt with improved load carrying cord

2007-08-14

2007-08-14

Hurley, Shaun R. (Department: 3765)

Textiles: spinning, twisting, and twining

Strand structure

Plied

Reexamination Certificate

active

11088602

ABSTRACT:
A power transmission belt with an embedded load carrier cord having a plurality of yarns and possessing a first twist corresponding to a first twist multiplier and a first twist direction, and possessing a second twist corresponding to a second twist multiplier in the opposite direction, such that the ratio of the first twist multiplier to the second twist multiplier is greater than about 1.5. The belt may be a multi-v-ribbed belt. The load carrying cord may have a plurality of twisted yarns having a first yarn twist and a second cord twist in a direction opposite the yarn twist and a ratio of yarn twist to cord twist from about 1.5:1 to about 4:1.

REFERENCES:
patent: 3977172 (1976-08-01), Kerawalla
patent: 4652252 (1987-03-01), Westhoff et al.
patent: 4790802 (1988-12-01), Onoe et al.
patent: 4838843 (1989-06-01), Westhoff
patent: 5230667 (1993-07-01), Nakajima et al.
patent: 5802839 (1998-09-01), Van Hook
patent: 5807194 (1998-09-01), Knutson et al.
patent: 63-193080 (1988-02-01), None

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