Reinforcement assembly having a layer comprising a shaped thread

Details Reinforcement assembly having a layer comprising a shaped thread Reinforcement assembly having a layer comprising a shaped thread

1986-04-21

1987-12-01

Petrakes, John

Textiles: spinning, twisting, and twining

Strand structure

Covered or wrapped

57212, 57213, 57214, 57215, 57219, 57236, 57902, 152451, 152527, 152556, D02G 348, B60C 900

Patent

active

047095440

ABSTRACT:
A reinforcement assembly comprises from one to three layers of threads, one of which is a central layer having one or more shaped threads, i.e., threads having a center of gravity and a contour in an intersecting plane perpendicular to the longitudinal direction of the thread, the distance from any point on the contour to the center of gravity depending on the position of the point on the contour. The twist pitch of each shaped thread is different from the winding pitch of the shaped thread in the layer in which it is located and if the element comprises three layers, the winding pitch of the outer layer is different from the winding pitch of the subjacent layer. Reinforced articles include such assemblies impregnated with a material, in particular pneumatic tires.

REFERENCES:
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patent: 586706 (1897-07-01), Frederick
patent: 986817 (1911-03-01), Gore
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patent: 3402546 (1968-09-01), Peene
patent: 4349063 (1982-09-01), Kikuchi et al.
patent: 4506500 (1985-03-01), Miyauchi et al.
patent: 4544603 (1985-10-01), Richards

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