Metal cord

Details Metal cord Metal cord

1979-10-09

1981-03-31

Watkins, Donald

Textiles: spinning, twisting, and twining

Strand structure

Covered or wrapped

57902, 152359, D07B 106, D02G 348

Patent

active

042585430

ABSTRACT:
Metal cord, for reinforcing articles of an elastomeric material, such as tires, conveyor belts and so on of the single strand type, in particular made up of a plurality of 3, 4 or 5 wires, wherein the said wires are twisted together loosely, so as to result as being spaced apart from each other but in such a way that the ratio between the diameter of the circumference circumscribing the swollen cord and the diameter of the circumference circumscribing the corresponding compact cord, is comprised between 1.06 and 1.20. A thus realized cord consents for an optimum penetration of the elastomeric filler material but at the same time a tensile behavior, and in particular an elongation in the field of low values of loads applied, which does not differ in any appreciable way from that of the corresponding compact cord.

REFERENCES:
patent: 2492352 (1949-12-01), Bourdon
patent: 3090190 (1963-05-01), Boussu et al.
patent: 3273978 (1966-09-01), Paul
patent: 3762145 (1973-10-01), Kikuchi et al.
patent: 3911662 (1975-10-01), Fenner
patent: 4158946 (1979-06-01), Bourgois
patent: 4166355 (1979-09-01), Gross
Research Disclosure No. 170, Jun. 1978, Industrial Opportunities Ltd., Hampshire UK.

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