Steel cords for elastomer articles and pneumatic radial tires us

Details Steel cords for elastomer articles and pneumatic radial tires us Steel cords for elastomer articles and pneumatic radial tires us

1995-03-22

1995-10-17

Hail, III, Joseph J.

Textiles: spinning, twisting, and twining

Strand structure

Covered or wrapped

57902, D02G 348

Patent

active

054579490

ABSTRACT:
A steel cord of 1+3 structure is formed by twisting three sheath steel filaments around a single core steel filament. In this case, the three sheath steel filaments are arranged so as to satisfy conditions at a section of the sheath perpendicular to a longitudinal direction of the cord that a maximum angle of a triangle formed by connecting central points of the these filaments to each other is not less than 90.degree. but less than 180.degree. and an apex defining the maximum angle is always located on the same filament and a distance between the central point of this filament and the central point of the filament adjacent thereto is 1.0-1.3 times of the diameter of the filament.

REFERENCES:
patent: 2605201 (1952-07-01), Howe
patent: 4738096 (1988-04-01), Hatakeyama et al.
patent: 4836262 (1989-06-01), Nishizawa et al.
patent: 5323595 (1994-06-01), Mizuta et al.
Patent Abstracts of Japan, vol. 11, No. 310 (M-630) 9 Oct. 1987.

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